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styled-template-language-service.js
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styled-template-language-service.js
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"use strict";
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
// Original code forked from https://github.com/Quramy/ts-graphql-plugin
Object.defineProperty(exports, "__esModule", { value: true });
var vscode_css_languageservice_1 = require("vscode-css-languageservice");
var vscode = require("vscode-languageserver-types");
var config = require("./config");
var wrapperPre = ':root{\n';
var cssErrorCode = 9999;
function arePositionsEqual(left, right) {
return left.line === right.line && left.character === right.character;
}
function isAfter(left, right) {
return right.line > left.line || (right.line === left.line && right.character >= left.character);
}
function overlaps(a, b) {
return !isAfter(a.end, b.start) && !isAfter(b.end, a.start);
}
var emptyCompletionList = {
items: [],
isIncomplete: false,
};
var CompletionsCache = /** @class */ (function () {
function CompletionsCache() {
}
CompletionsCache.prototype.getCached = function (context, position) {
if (this._completions
&& context.fileName === this._cachedCompletionsFile
&& this._cachedCompletionsPosition && arePositionsEqual(position, this._cachedCompletionsPosition)
&& context.text === this._cachedCompletionsContent) {
return this._completions;
}
return undefined;
};
CompletionsCache.prototype.updateCached = function (context, position, completions) {
this._cachedCompletionsFile = context.fileName;
this._cachedCompletionsPosition = position;
this._cachedCompletionsContent = context.text;
this._completions = completions;
};
return CompletionsCache;
}());
var StyledTemplateLanguageService = /** @class */ (function () {
function StyledTemplateLanguageService(typescript, configuration, logger) {
this.typescript = typescript;
this.configuration = configuration;
this.logger = logger;
this._completionsCache = new CompletionsCache();
}
Object.defineProperty(StyledTemplateLanguageService.prototype, "cssLanguageService", {
get: function () {
if (!this._cssLanguageService) {
this._cssLanguageService = vscode_css_languageservice_1.getCSSLanguageService();
this._cssLanguageService.configure(this.configuration);
}
return this._cssLanguageService;
},
enumerable: true,
configurable: true
});
Object.defineProperty(StyledTemplateLanguageService.prototype, "scssLanguageService", {
get: function () {
if (!this._scssLanguageService) {
this._scssLanguageService = vscode_css_languageservice_1.getSCSSLanguageService();
this._scssLanguageService.configure(this.configuration);
}
return this._scssLanguageService;
},
enumerable: true,
configurable: true
});
StyledTemplateLanguageService.prototype.getCompletionsAtPosition = function (context, position) {
var items = this.getCompletionItems(context, position);
return translateCompletionItemsToCompletionInfo(this.typescript, items);
};
StyledTemplateLanguageService.prototype.getCompletionEntryDetails = function (context, position, name) {
var item = this.getCompletionItems(context, position).items.find(function (x) { return x.label === name; });
if (!item) {
return {
name: name,
kind: this.typescript.ScriptElementKind.unknown,
kindModifiers: '',
tags: [],
displayParts: toDisplayParts(name),
documentation: [],
};
}
return translateCompletionItemsToCompletionEntryDetails(this.typescript, item);
};
StyledTemplateLanguageService.prototype.getQuickInfoAtPosition = function (context, position) {
var doc = this.createVirtualDocument(context);
var stylesheet = this.scssLanguageService.parseStylesheet(doc);
var hover = this.scssLanguageService.doHover(doc, this.toVirtualDocPosition(position), stylesheet);
if (hover) {
return this.translateHover(hover, this.toVirtualDocPosition(position), context);
}
return undefined;
};
StyledTemplateLanguageService.prototype.getSemanticDiagnostics = function (context) {
var doc = this.createVirtualDocument(context);
var stylesheet = this.scssLanguageService.parseStylesheet(doc);
return this.translateDiagnostics(this.scssLanguageService.doValidation(doc, stylesheet), doc, context, context.text).filter(function (x) { return !!x; });
};
StyledTemplateLanguageService.prototype.getSupportedCodeFixes = function () {
return [cssErrorCode];
};
StyledTemplateLanguageService.prototype.getCodeFixesAtPosition = function (context, start, end, errorCodes, format) {
var doc = this.createVirtualDocument(context);
var stylesheet = this.scssLanguageService.parseStylesheet(doc);
var range = this.toVsRange(context, start, end);
var diagnostics = this.scssLanguageService.doValidation(doc, stylesheet)
.filter(function (diagnostic) { return overlaps(diagnostic.range, range); });
return this.translateCodeActions(context, this.scssLanguageService.doCodeActions(doc, range, { diagnostics: diagnostics }, stylesheet));
};
StyledTemplateLanguageService.prototype.createVirtualDocument = function (context) {
var _this = this;
var contents = "" + wrapperPre + context.text + "\n}";
return {
uri: 'untitled://embedded.scss',
languageId: 'scss',
version: 1,
getText: function () { return contents; },
positionAt: function (offset) {
var pos = context.toPosition(_this.fromVirtualDocOffset(offset));
return _this.toVirtualDocPosition(pos);
},
offsetAt: function (p) {
var offset = context.toOffset(_this.fromVirtualDocPosition(p));
return _this.toVirtualDocOffset(offset);
},
lineCount: contents.split(/n/g).length + 1,
};
};
StyledTemplateLanguageService.prototype.toVirtualDocPosition = function (position) {
return {
line: position.line + 1,
character: position.character,
};
};
StyledTemplateLanguageService.prototype.fromVirtualDocPosition = function (position) {
return {
line: position.line - 1,
character: position.character,
};
};
StyledTemplateLanguageService.prototype.toVirtualDocOffset = function (offset) {
return offset + wrapperPre.length;
};
StyledTemplateLanguageService.prototype.fromVirtualDocOffset = function (offset) {
return offset - wrapperPre.length;
};
StyledTemplateLanguageService.prototype.toVsRange = function (context, start, end) {
return {
start: this.toVirtualDocPosition(context.toPosition(start)),
end: this.toVirtualDocPosition(context.toPosition(end)),
};
};
StyledTemplateLanguageService.prototype.getCompletionItems = function (context, position) {
var cached = this._completionsCache.getCached(context, position);
if (cached) {
return cached;
}
var doc = this.createVirtualDocument(context);
var virtualPosition = this.toVirtualDocPosition(position);
var stylesheet = this.scssLanguageService.parseStylesheet(doc);
var completionsCss = this.cssLanguageService.doComplete(doc, virtualPosition, stylesheet) || emptyCompletionList;
var completionsScss = this.scssLanguageService.doComplete(doc, virtualPosition, stylesheet) || emptyCompletionList;
completionsScss.items = filterScssCompletionItems(completionsScss.items);
var completions = {
isIncomplete: false,
items: completionsCss.items.concat(completionsScss.items),
};
this._completionsCache.updateCached(context, position, completions);
return completions;
};
StyledTemplateLanguageService.prototype.translateDiagnostics = function (diagnostics, doc, context, content) {
var _this = this;
var sourceFile = context.node.getSourceFile();
return diagnostics.map(function (diag) {
return _this.translateDiagnostic(diag, sourceFile, doc, context, content);
});
};
StyledTemplateLanguageService.prototype.translateDiagnostic = function (diagnostic, file, doc, context, content) {
// Make sure returned error is within the real document
if (diagnostic.range.start.line === 0
|| diagnostic.range.start.line > doc.lineCount
|| diagnostic.range.start.character >= content.length) {
return undefined;
}
var start = context.toOffset(this.fromVirtualDocPosition(diagnostic.range.start));
var length = context.toOffset(this.fromVirtualDocPosition(diagnostic.range.end)) - start;
var code = typeof diagnostic.code === 'number' ? diagnostic.code : cssErrorCode;
return {
code: code,
messageText: diagnostic.message,
category: translateSeverity(this.typescript, diagnostic.severity),
file: file,
start: start,
length: length,
source: config.pluginName,
};
};
StyledTemplateLanguageService.prototype.translateHover = function (hover, position, context) {
var contents = [];
var convertPart = function (hoverContents) {
if (typeof hoverContents === 'string') {
contents.push({ kind: 'unknown', text: hoverContents });
}
else if (Array.isArray(hoverContents)) {
hoverContents.forEach(convertPart);
}
else {
contents.push({ kind: 'unknown', text: hoverContents.value });
}
};
convertPart(hover.contents);
var start = context.toOffset(this.fromVirtualDocPosition(hover.range ? hover.range.start : position));
return {
kind: this.typescript.ScriptElementKind.unknown,
kindModifiers: '',
textSpan: {
start: start,
length: hover.range ? context.toOffset(this.fromVirtualDocPosition(hover.range.end)) - start : 1,
},
displayParts: [],
documentation: contents,
tags: [],
};
};
StyledTemplateLanguageService.prototype.translateCodeActions = function (context, codeActions) {
var _this = this;
var actions = [];
for (var _i = 0, codeActions_1 = codeActions; _i < codeActions_1.length; _i++) {
var vsAction = codeActions_1[_i];
if (vsAction.command !== '_css.applyCodeAction') {
continue;
}
var edits = vsAction.arguments && vsAction.arguments[2];
if (edits) {
actions.push({
description: vsAction.title,
changes: edits.map(function (edit) { return _this.translateTextEditToFileTextChange(context, edit); }),
});
}
}
return actions;
};
StyledTemplateLanguageService.prototype.translateTextEditToFileTextChange = function (context, textEdit) {
var start = context.toOffset(this.fromVirtualDocPosition(textEdit.range.start));
var end = context.toOffset(this.fromVirtualDocPosition(textEdit.range.end));
return {
fileName: context.fileName,
textChanges: [{
newText: textEdit.newText,
span: {
start: start,
length: end - start,
},
}],
};
};
return StyledTemplateLanguageService;
}());
exports.default = StyledTemplateLanguageService;
function filterScssCompletionItems(items) {
return items.filter(function (item) { return (item.kind === vscode.CompletionItemKind.Function && item.label.substr(0, 1) === ':'); });
}
function translateCompletionItemsToCompletionInfo(typescript, items) {
return {
isGlobalCompletion: false,
isMemberCompletion: false,
isNewIdentifierLocation: false,
entries: items.items.map(function (x) { return translateCompetionEntry(typescript, x); }),
};
}
function translateCompletionItemsToCompletionEntryDetails(typescript, item) {
return {
name: item.label,
kindModifiers: 'declare',
kind: item.kind ? translateionCompletionItemKind(typescript, item.kind) : typescript.ScriptElementKind.unknown,
displayParts: toDisplayParts(item.detail),
documentation: toDisplayParts(item.documentation),
tags: [],
};
}
function translateCompetionEntry(typescript, item) {
return {
name: item.label,
kindModifiers: 'declare',
kind: item.kind ? translateionCompletionItemKind(typescript, item.kind) : typescript.ScriptElementKind.unknown,
sortText: item.sortText || item.label,
};
}
function translateionCompletionItemKind(typescript, kind) {
switch (kind) {
case vscode.CompletionItemKind.Method:
return typescript.ScriptElementKind.memberFunctionElement;
case vscode.CompletionItemKind.Function:
return typescript.ScriptElementKind.functionElement;
case vscode.CompletionItemKind.Constructor:
return typescript.ScriptElementKind.constructorImplementationElement;
case vscode.CompletionItemKind.Field:
case vscode.CompletionItemKind.Variable:
return typescript.ScriptElementKind.variableElement;
case vscode.CompletionItemKind.Class:
return typescript.ScriptElementKind.classElement;
case vscode.CompletionItemKind.Interface:
return typescript.ScriptElementKind.interfaceElement;
case vscode.CompletionItemKind.Module:
return typescript.ScriptElementKind.moduleElement;
case vscode.CompletionItemKind.Property:
return typescript.ScriptElementKind.memberVariableElement;
case vscode.CompletionItemKind.Unit:
case vscode.CompletionItemKind.Value:
return typescript.ScriptElementKind.constElement;
case vscode.CompletionItemKind.Enum:
return typescript.ScriptElementKind.enumElement;
case vscode.CompletionItemKind.Keyword:
return typescript.ScriptElementKind.keyword;
case vscode.CompletionItemKind.Color:
return typescript.ScriptElementKind.constElement;
case vscode.CompletionItemKind.Reference:
return typescript.ScriptElementKind.alias;
case vscode.CompletionItemKind.File:
return typescript.ScriptElementKind.moduleElement;
case vscode.CompletionItemKind.Snippet:
case vscode.CompletionItemKind.Text:
default:
return typescript.ScriptElementKind.unknown;
}
}
function translateSeverity(typescript, severity) {
switch (severity) {
case vscode.DiagnosticSeverity.Information:
case vscode.DiagnosticSeverity.Hint:
return typescript.DiagnosticCategory.Message;
case vscode.DiagnosticSeverity.Warning:
return typescript.DiagnosticCategory.Warning;
case vscode.DiagnosticSeverity.Error:
default:
return typescript.DiagnosticCategory.Error;
}
}
function toDisplayParts(text) {
return text ? [{ text: text, kind: 'text' }] : [];
}