From 215431adb756ff44b1d6d80d2477f322b7077fae Mon Sep 17 00:00:00 2001 From: hoiheart Date: Fri, 22 Jan 2021 16:09:14 +0900 Subject: [PATCH 1/3] chore: jqyery for test --- __lib__/jquery.js | 10185 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 10185 insertions(+) create mode 100644 __lib__/jquery.js diff --git a/__lib__/jquery.js b/__lib__/jquery.js new file mode 100644 index 0000000..1207d40 --- /dev/null +++ b/__lib__/jquery.js @@ -0,0 +1,10185 @@ +/*! + * jQuery JavaScript Library v3.4.1 + * https://jquery.com/ + * + * Includes Sizzle.js + * https://sizzlejs.com/ + * + * Copyright JS Foundation and other contributors + * Released under the MIT license + * https://jquery.org/license + * + * Date: 2019-05-01T21:04Z + */ +(function (global, factory) { + 'use strict' + + if (typeof module === 'object' && typeof module.exports === 'object') { + // For CommonJS and CommonJS-like environments where a proper `window` + // is present, execute the factory and get jQuery. + // For environments that do not have a `window` with a `document` + // (such as Node.js), expose a factory as module.exports. + // This accentuates the need for the creation of a real `window`. + // e.g. var jQuery = require("jquery")(window); + // See ticket #14549 for more info. + module.exports = global.document + ? factory(global, true) + : function (w) { + if (!w.document) { + throw new Error('jQuery requires a window with a document') + } + return factory(w) + } + } else { + factory(global) + } + +// Pass this if window is not defined yet +})(typeof window !== 'undefined' ? window : this, function (window, noGlobal) { + // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 + // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode + // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common + // enough that all such attempts are guarded in a try block. + 'use strict' + + const arr = [] + + const document = window.document + + const getProto = Object.getPrototypeOf + + const slice = arr.slice + + const concat = arr.concat + + const push = arr.push + + const indexOf = arr.indexOf + + const class2type = {} + + const toString = class2type.toString + + const hasOwn = class2type.hasOwnProperty + + const fnToString = hasOwn.toString + + const ObjectFunctionString = fnToString.call(Object) + + const support = {} + + const isFunction = function isFunction (obj) { + // Support: Chrome <=57, Firefox <=52 + // In some browsers, typeof returns "function" for HTML elements + // (i.e., `typeof document.createElement( "object" ) === "function"`). + // We don't want to classify *any* DOM node as a function. + return typeof obj === 'function' && typeof obj.nodeType !== 'number' + } + + const isWindow = function isWindow (obj) { + return obj != null && obj === obj.window + } + + const preservedScriptAttributes = { + type: true, + src: true, + nonce: true, + noModule: true + } + + function DOMEval (code, node, doc) { + doc = doc || document + + let i; let val + const script = doc.createElement('script') + + script.text = code + if (node) { + for (i in preservedScriptAttributes) { + // Support: Firefox 64+, Edge 18+ + // Some browsers don't support the "nonce" property on scripts. + // On the other hand, just using `getAttribute` is not enough as + // the `nonce` attribute is reset to an empty string whenever it + // becomes browsing-context connected. + // See https://github.com/whatwg/html/issues/2369 + // See https://html.spec.whatwg.org/#nonce-attributes + // The `node.getAttribute` check was added for the sake of + // `jQuery.globalEval` so that it can fake a nonce-containing node + // via an object. + val = node[i] || node.getAttribute && node.getAttribute(i) + if (val) { + script.setAttribute(i, val) + } + } + } + doc.head.appendChild(script).parentNode.removeChild(script) + } + + function toType (obj) { + if (obj == null) { + return obj + '' + } + + // Support: Android <=2.3 only (functionish RegExp) + return typeof obj === 'object' || typeof obj === 'function' + ? class2type[toString.call(obj)] || 'object' + : typeof obj + } + /* global Symbol */ + // Defining this global in .eslintrc.json would create a danger of using the global + // unguarded in another place, it seems safer to define global only for this module + + const + version = '3.4.1' + + // Define a local copy of jQuery + var jQuery = function (selector, context) { + // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init(selector, context) + } + + // Support: Android <=4.0 only + // Make sure we trim BOM and NBSP + const rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g + + jQuery.fn = jQuery.prototype = { + + // The current version of jQuery being used + jquery: version, + + constructor: jQuery, + + // The default length of a jQuery object is 0 + length: 0, + + toArray: function () { + return slice.call(this) + }, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function (num) { + // Return all the elements in a clean array + if (num == null) { + return slice.call(this) + } + + // Return just the one element from the set + return num < 0 ? this[num + this.length] : this[num] + }, + + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function (elems) { + // Build a new jQuery matched element set + const ret = jQuery.merge(this.constructor(), elems) + + // Add the old object onto the stack (as a reference) + ret.prevObject = this + + // Return the newly-formed element set + return ret + }, + + // Execute a callback for every element in the matched set. + each: function (callback) { + return jQuery.each(this, callback) + }, + + map: function (callback) { + return this.pushStack(jQuery.map(this, function (elem, i) { + return callback.call(elem, i, elem) + })) + }, + + slice: function () { + return this.pushStack(slice.apply(this, arguments)) + }, + + first: function () { + return this.eq(0) + }, + + last: function () { + return this.eq(-1) + }, + + eq: function (i) { + const len = this.length + const j = +i + (i < 0 ? len : 0) + return this.pushStack(j >= 0 && j < len ? [this[j]] : []) + }, + + end: function () { + return this.prevObject || this.constructor() + }, + + // For internal use only. + // Behaves like an Array's method, not like a jQuery method. + push: push, + sort: arr.sort, + splice: arr.splice + } + + jQuery.extend = jQuery.fn.extend = function () { + let options; let name; let src; let copy; let copyIsArray; let clone + let target = arguments[0] || {} + let i = 1 + const length = arguments.length + let deep = false + + // Handle a deep copy situation + if (typeof target === 'boolean') { + deep = target + + // Skip the boolean and the target + target = arguments[i] || {} + i++ + } + + // Handle case when target is a string or something (possible in deep copy) + if (typeof target !== 'object' && !isFunction(target)) { + target = {} + } + + // Extend jQuery itself if only one argument is passed + if (i === length) { + target = this + i-- + } + + for (; i < length; i++) { + // Only deal with non-null/undefined values + if ((options = arguments[i]) != null) { + // Extend the base object + for (name in options) { + copy = options[name] + + // Prevent Object.prototype pollution + // Prevent never-ending loop + if (name === '__proto__' || target === copy) { + continue + } + + // Recurse if we're merging plain objects or arrays + if (deep && copy && (jQuery.isPlainObject(copy) || + (copyIsArray = Array.isArray(copy)))) { + src = target[name] + + // Ensure proper type for the source value + if (copyIsArray && !Array.isArray(src)) { + clone = [] + } else if (!copyIsArray && !jQuery.isPlainObject(src)) { + clone = {} + } else { + clone = src + } + copyIsArray = false + + // Never move original objects, clone them + target[name] = jQuery.extend(deep, clone, copy) + + // Don't bring in undefined values + } else if (copy !== undefined) { + target[name] = copy + } + } + } + } + + // Return the modified object + return target + } + + jQuery.extend({ + + // Unique for each copy of jQuery on the page + expando: 'jQuery' + (version + Math.random()).replace(/\D/g, ''), + + // Assume jQuery is ready without the ready module + isReady: true, + + error: function (msg) { + throw new Error(msg) + }, + + noop: function () {}, + + isPlainObject: function (obj) { + let proto, Ctor + + // Detect obvious negatives + // Use toString instead of jQuery.type to catch host objects + if (!obj || toString.call(obj) !== '[object Object]') { + return false + } + + proto = getProto(obj) + + // Objects with no prototype (e.g., `Object.create( null )`) are plain + if (!proto) { + return true + } + + // Objects with prototype are plain iff they were constructed by a global Object function + Ctor = hasOwn.call(proto, 'constructor') && proto.constructor + return typeof Ctor === 'function' && fnToString.call(Ctor) === ObjectFunctionString + }, + + isEmptyObject: function (obj) { + let name + + for (name in obj) { + return false + } + return true + }, + + // Evaluates a script in a global context + globalEval: function (code, options) { + DOMEval(code, { nonce: options && options.nonce }) + }, + + each: function (obj, callback) { + let length; let i = 0 + + if (isArrayLike(obj)) { + length = obj.length + for (; i < length; i++) { + if (callback.call(obj[i], i, obj[i]) === false) { + break + } + } + } else { + for (i in obj) { + if (callback.call(obj[i], i, obj[i]) === false) { + break + } + } + } + + return obj + }, + + // Support: Android <=4.0 only + trim: function (text) { + return text == null + ? '' + : (text + '').replace(rtrim, '') + }, + + // results is for internal usage only + makeArray: function (arr, results) { + const ret = results || [] + + if (arr != null) { + if (isArrayLike(Object(arr))) { + jQuery.merge(ret, + typeof arr === 'string' + ? [arr] : arr + ) + } else { + push.call(ret, arr) + } + } + + return ret + }, + + inArray: function (elem, arr, i) { + return arr == null ? -1 : indexOf.call(arr, elem, i) + }, + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + merge: function (first, second) { + const len = +second.length + let j = 0 + let i = first.length + + for (; j < len; j++) { + first[i++] = second[j] + } + + first.length = i + + return first + }, + + grep: function (elems, callback, invert) { + let callbackInverse + const matches = [] + let i = 0 + const length = elems.length + const callbackExpect = !invert + + // Go through the array, only saving the items + // that pass the validator function + for (; i < length; i++) { + callbackInverse = !callback(elems[i], i) + if (callbackInverse !== callbackExpect) { + matches.push(elems[i]) + } + } + + return matches + }, + + // arg is for internal usage only + map: function (elems, callback, arg) { + let length; let value + let i = 0 + const ret = [] + + // Go through the array, translating each of the items to their new values + if (isArrayLike(elems)) { + length = elems.length + for (; i < length; i++) { + value = callback(elems[i], i, arg) + + if (value != null) { + ret.push(value) + } + } + + // Go through every key on the object, + } else { + for (i in elems) { + value = callback(elems[i], i, arg) + + if (value != null) { + ret.push(value) + } + } + } + + // Flatten any nested arrays + return concat.apply([], ret) + }, + + // A global GUID counter for objects + guid: 1, + + // jQuery.support is not used in Core but other projects attach their + // properties to it so it needs to exist. + support: support + }) + + if (typeof Symbol === 'function') { + jQuery.fn[Symbol.iterator] = arr[Symbol.iterator] + } + + // Populate the class2type map + jQuery.each('Boolean Number String Function Array Date RegExp Object Error Symbol'.split(' '), + function (i, name) { + class2type['[object ' + name + ']'] = name.toLowerCase() + }) + + function isArrayLike (obj) { + // Support: real iOS 8.2 only (not reproducible in simulator) + // `in` check used to prevent JIT error (gh-2145) + // hasOwn isn't used here due to false negatives + // regarding Nodelist length in IE + const length = !!obj && 'length' in obj && obj.length + const type = toType(obj) + + if (isFunction(obj) || isWindow(obj)) { + return false + } + + return type === 'array' || length === 0 || + typeof length === 'number' && length > 0 && (length - 1) in obj + } + const Sizzle = +/*! + * Sizzle CSS Selector Engine v2.3.4 + * https://sizzlejs.com/ + * + * Copyright JS Foundation and other contributors + * Released under the MIT license + * https://js.foundation/ + * + * Date: 2019-04-08 + */ +(function (window) { + let i + let support + let Expr + let getText + let isXML + let tokenize + let compile + let select + let outermostContext + let sortInput + let hasDuplicate + + // Local document vars + let setDocument + let document + let docElem + let documentIsHTML + let rbuggyQSA + let rbuggyMatches + let matches + let contains + + // Instance-specific data + const expando = 'sizzle' + 1 * new Date() + const preferredDoc = window.document + let dirruns = 0 + let done = 0 + const classCache = createCache() + const tokenCache = createCache() + const compilerCache = createCache() + const nonnativeSelectorCache = createCache() + let sortOrder = function (a, b) { + if (a === b) { + hasDuplicate = true + } + return 0 + } + + // Instance methods + const hasOwn = ({}).hasOwnProperty + let arr = [] + const pop = arr.pop + const push_native = arr.push + let push = arr.push + const slice = arr.slice + // Use a stripped-down indexOf as it's faster than native + // https://jsperf.com/thor-indexof-vs-for/5 + const indexOf = function (list, elem) { + let i = 0 + const len = list.length + for (; i < len; i++) { + if (list[i] === elem) { + return i + } + } + return -1 + } + + const booleans = 'checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped' + + // Regular expressions + + // http://www.w3.org/TR/css3-selectors/#whitespace + const whitespace = '[\\x20\\t\\r\\n\\f]' + + // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier + const identifier = '(?:\\\\.|[\\w-]|[^\0-\\xa0])+' + + // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors + const attributes = '\\[' + whitespace + '*(' + identifier + ')(?:' + whitespace + + // Operator (capture 2) + '*([*^$|!~]?=)' + whitespace + + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + '))|)' + whitespace + + '*\\]' + + const pseudos = ':(' + identifier + ')(?:\\((' + + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: + // 1. quoted (capture 3; capture 4 or capture 5) + "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + + // 2. simple (capture 6) + '((?:\\\\.|[^\\\\()[\\]]|' + attributes + ')*)|' + + // 3. anything else (capture 2) + '.*' + + ')\\)|)' + + // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter + const rwhitespace = new RegExp(whitespace + '+', 'g') + const rtrim = new RegExp('^' + whitespace + '+|((?:^|[^\\\\])(?:\\\\.)*)' + whitespace + '+$', 'g') + + const rcomma = new RegExp('^' + whitespace + '*,' + whitespace + '*') + const rcombinators = new RegExp('^' + whitespace + '*([>+~]|' + whitespace + ')' + whitespace + '*') + const rdescend = new RegExp(whitespace + '|>') + + const rpseudo = new RegExp(pseudos) + const ridentifier = new RegExp('^' + identifier + '$') + + const matchExpr = { + ID: new RegExp('^#(' + identifier + ')'), + CLASS: new RegExp('^\\.(' + identifier + ')'), + TAG: new RegExp('^(' + identifier + '|[*])'), + ATTR: new RegExp('^' + attributes), + PSEUDO: new RegExp('^' + pseudos), + CHILD: new RegExp('^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(' + whitespace + + '*(even|odd|(([+-]|)(\\d*)n|)' + whitespace + '*(?:([+-]|)' + whitespace + + '*(\\d+)|))' + whitespace + '*\\)|)', 'i'), + bool: new RegExp('^(?:' + booleans + ')$', 'i'), + // For use in libraries implementing .is() + // We use this for POS matching in `select` + needsContext: new RegExp('^' + whitespace + '*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(' + + whitespace + '*((?:-\\d)?\\d*)' + whitespace + '*\\)|)(?=[^-]|$)', 'i') + } + + const rhtml = /HTML$/i + const rinputs = /^(?:input|select|textarea|button)$/i + const rheader = /^h\d$/i + + const rnative = /^[^{]+\{\s*\[native \w/ + + // Easily-parseable/retrievable ID or TAG or CLASS selectors + const rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/ + + const rsibling = /[+~]/ + + // CSS escapes + // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters + const runescape = new RegExp('\\\\([\\da-f]{1,6}' + whitespace + '?|(' + whitespace + ')|.)', 'ig') + const funescape = function (_, escaped, escapedWhitespace) { + const high = '0x' + escaped - 0x10000 + // NaN means non-codepoint + // Support: Firefox<24 + // Workaround erroneous numeric interpretation of +"0x" + return high !== high || escapedWhitespace + ? escaped + : high < 0 + // BMP codepoint + ? String.fromCharCode(high + 0x10000) + // Supplemental Plane codepoint (surrogate pair) + : String.fromCharCode(high >> 10 | 0xD800, high & 0x3FF | 0xDC00) + } + + // CSS string/identifier serialization + // https://drafts.csswg.org/cssom/#common-serializing-idioms + const rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g + const fcssescape = function (ch, asCodePoint) { + if (asCodePoint) { + // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER + if (ch === '\0') { + return '\uFFFD' + } + + // Control characters and (dependent upon position) numbers get escaped as code points + return ch.slice(0, -1) + '\\' + ch.charCodeAt(ch.length - 1).toString(16) + ' ' + } + + // Other potentially-special ASCII characters get backslash-escaped + return '\\' + ch + } + + // Used for iframes + // See setDocument() + // Removing the function wrapper causes a "Permission Denied" + // error in IE + const unloadHandler = function () { + setDocument() + } + + const inDisabledFieldset = addCombinator( + function (elem) { + return elem.disabled === true && elem.nodeName.toLowerCase() === 'fieldset' + }, + { dir: 'parentNode', next: 'legend' } + ) + + // Optimize for push.apply( _, NodeList ) + try { + push.apply( + (arr = slice.call(preferredDoc.childNodes)), + preferredDoc.childNodes + ) + // Support: Android<4.0 + // Detect silently failing push.apply + arr[preferredDoc.childNodes.length].nodeType + } catch (e) { + push = { + apply: arr.length + + // Leverage slice if possible + ? function (target, els) { + push_native.apply(target, slice.call(els)) + } + + // Support: IE<9 + // Otherwise append directly + : function (target, els) { + let j = target.length + let i = 0 + // Can't trust NodeList.length + while ((target[j++] = els[i++])) {} + target.length = j - 1 + } + } + } + + function Sizzle (selector, context, results, seed) { + let m; let i; let elem; let nid; let match; let groups; let newSelector + let newContext = context && context.ownerDocument + + // nodeType defaults to 9, since context defaults to document + const nodeType = context ? context.nodeType : 9 + + results = results || [] + + // Return early from calls with invalid selector or context + if (typeof selector !== 'string' || !selector || + nodeType !== 1 && nodeType !== 9 && nodeType !== 11) { + return results + } + + // Try to shortcut find operations (as opposed to filters) in HTML documents + if (!seed) { + if ((context ? context.ownerDocument || context : preferredDoc) !== document) { + setDocument(context) + } + context = context || document + + if (documentIsHTML) { + // If the selector is sufficiently simple, try using a "get*By*" DOM method + // (excepting DocumentFragment context, where the methods don't exist) + if (nodeType !== 11 && (match = rquickExpr.exec(selector))) { + // ID selector + if ((m = match[1])) { + // Document context + if (nodeType === 9) { + if ((elem = context.getElementById(m))) { + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if (elem.id === m) { + results.push(elem) + return results + } + } else { + return results + } + + // Element context + } else { + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if (newContext && (elem = newContext.getElementById(m)) && + contains(context, elem) && + elem.id === m) { + results.push(elem) + return results + } + } + + // Type selector + } else if (match[2]) { + push.apply(results, context.getElementsByTagName(selector)) + return results + + // Class selector + } else if ((m = match[3]) && support.getElementsByClassName && + context.getElementsByClassName) { + push.apply(results, context.getElementsByClassName(m)) + return results + } + } + + // Take advantage of querySelectorAll + if (support.qsa && + !nonnativeSelectorCache[selector + ' '] && + (!rbuggyQSA || !rbuggyQSA.test(selector)) && + + // Support: IE 8 only + // Exclude object elements + (nodeType !== 1 || context.nodeName.toLowerCase() !== 'object')) { + newSelector = selector + newContext = context + + // qSA considers elements outside a scoping root when evaluating child or + // descendant combinators, which is not what we want. + // In such cases, we work around the behavior by prefixing every selector in the + // list with an ID selector referencing the scope context. + // Thanks to Andrew Dupont for this technique. + if (nodeType === 1 && rdescend.test(selector)) { + // Capture the context ID, setting it first if necessary + if ((nid = context.getAttribute('id'))) { + nid = nid.replace(rcssescape, fcssescape) + } else { + context.setAttribute('id', (nid = expando)) + } + + // Prefix every selector in the list + groups = tokenize(selector) + i = groups.length + while (i--) { + groups[i] = '#' + nid + ' ' + toSelector(groups[i]) + } + newSelector = groups.join(',') + + // Expand context for sibling selectors + newContext = rsibling.test(selector) && testContext(context.parentNode) || + context + } + + try { + push.apply(results, + newContext.querySelectorAll(newSelector) + ) + return results + } catch (qsaError) { + nonnativeSelectorCache(selector, true) + } finally { + if (nid === expando) { + context.removeAttribute('id') + } + } + } + } + } + + // All others + return select(selector.replace(rtrim, '$1'), context, results, seed) + } + + /** + * Create key-value caches of limited size + * @returns {function(string, object)} Returns the Object data after storing it on itself with + * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) + * deleting the oldest entry + */ + function createCache () { + const keys = [] + + function cache (key, value) { + // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) + if (keys.push(key + ' ') > Expr.cacheLength) { + // Only keep the most recent entries + delete cache[keys.shift()] + } + return (cache[key + ' '] = value) + } + return cache + } + + /** + * Mark a function for special use by Sizzle + * @param {Function} fn The function to mark + */ + function markFunction (fn) { + fn[expando] = true + return fn + } + + /** + * Support testing using an element + * @param {Function} fn Passed the created element and returns a boolean result + */ + function assert (fn) { + let el = document.createElement('fieldset') + + try { + return !!fn(el) + } catch (e) { + return false + } finally { + // Remove from its parent by default + if (el.parentNode) { + el.parentNode.removeChild(el) + } + // release memory in IE + el = null + } + } + + /** + * Adds the same handler for all of the specified attrs + * @param {String} attrs Pipe-separated list of attributes + * @param {Function} handler The method that will be applied + */ + function addHandle (attrs, handler) { + const arr = attrs.split('|') + let i = arr.length + + while (i--) { + Expr.attrHandle[arr[i]] = handler + } + } + + /** + * Checks document order of two siblings + * @param {Element} a + * @param {Element} b + * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b + */ + function siblingCheck (a, b) { + let cur = b && a + const diff = cur && a.nodeType === 1 && b.nodeType === 1 && + a.sourceIndex - b.sourceIndex + + // Use IE sourceIndex if available on both nodes + if (diff) { + return diff + } + + // Check if b follows a + if (cur) { + while ((cur = cur.nextSibling)) { + if (cur === b) { + return -1 + } + } + } + + return a ? 1 : -1 + } + + /** + * Returns a function to use in pseudos for input types + * @param {String} type + */ + function createInputPseudo (type) { + return function (elem) { + const name = elem.nodeName.toLowerCase() + return name === 'input' && elem.type === type + } + } + + /** + * Returns a function to use in pseudos for buttons + * @param {String} type + */ + function createButtonPseudo (type) { + return function (elem) { + const name = elem.nodeName.toLowerCase() + return (name === 'input' || name === 'button') && elem.type === type + } + } + + /** + * Returns a function to use in pseudos for :enabled/:disabled + * @param {Boolean} disabled true for :disabled; false for :enabled + */ + function createDisabledPseudo (disabled) { + // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable + return function (elem) { + // Only certain elements can match :enabled or :disabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled + if ('form' in elem) { + // Check for inherited disabledness on relevant non-disabled elements: + // * listed form-associated elements in a disabled fieldset + // https://html.spec.whatwg.org/multipage/forms.html#category-listed + // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled + // * option elements in a disabled optgroup + // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled + // All such elements have a "form" property. + if (elem.parentNode && elem.disabled === false) { + // Option elements defer to a parent optgroup if present + if ('label' in elem) { + if ('label' in elem.parentNode) { + return elem.parentNode.disabled === disabled + } else { + return elem.disabled === disabled + } + } + + // Support: IE 6 - 11 + // Use the isDisabled shortcut property to check for disabled fieldset ancestors + return elem.isDisabled === disabled || + + // Where there is no isDisabled, check manually + /* jshint -W018 */ + elem.isDisabled !== !disabled && + inDisabledFieldset(elem) === disabled + } + + return elem.disabled === disabled + + // Try to winnow out elements that can't be disabled before trusting the disabled property. + // Some victims get caught in our net (label, legend, menu, track), but it shouldn't + // even exist on them, let alone have a boolean value. + } else if ('label' in elem) { + return elem.disabled === disabled + } + + // Remaining elements are neither :enabled nor :disabled + return false + } + } + + /** + * Returns a function to use in pseudos for positionals + * @param {Function} fn + */ + function createPositionalPseudo (fn) { + return markFunction(function (argument) { + argument = +argument + return markFunction(function (seed, matches) { + let j + const matchIndexes = fn([], seed.length, argument) + let i = matchIndexes.length + + // Match elements found at the specified indexes + while (i--) { + if (seed[(j = matchIndexes[i])]) { + seed[j] = !(matches[j] = seed[j]) + } + } + }) + }) + } + + /** + * Checks a node for validity as a Sizzle context + * @param {Element|Object=} context + * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value + */ + function testContext (context) { + return context && typeof context.getElementsByTagName !== 'undefined' && context + } + + // Expose support vars for convenience + support = Sizzle.support = {} + + /** + * Detects XML nodes + * @param {Element|Object} elem An element or a document + * @returns {Boolean} True iff elem is a non-HTML XML node + */ + isXML = Sizzle.isXML = function (elem) { + const namespace = elem.namespaceURI + const docElem = (elem.ownerDocument || elem).documentElement + + // Support: IE <=8 + // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes + // https://bugs.jquery.com/ticket/4833 + return !rhtml.test(namespace || docElem && docElem.nodeName || 'HTML') + } + + /** + * Sets document-related variables once based on the current document + * @param {Element|Object} [doc] An element or document object to use to set the document + * @returns {Object} Returns the current document + */ + setDocument = Sizzle.setDocument = function (node) { + let hasCompare; let subWindow + const doc = node ? node.ownerDocument || node : preferredDoc + + // Return early if doc is invalid or already selected + if (doc === document || doc.nodeType !== 9 || !doc.documentElement) { + return document + } + + // Update global variables + document = doc + docElem = document.documentElement + documentIsHTML = !isXML(document) + + // Support: IE 9-11, Edge + // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) + if (preferredDoc !== document && + (subWindow = document.defaultView) && subWindow.top !== subWindow) { + // Support: IE 11, Edge + if (subWindow.addEventListener) { + subWindow.addEventListener('unload', unloadHandler, false) + + // Support: IE 9 - 10 only + } else if (subWindow.attachEvent) { + subWindow.attachEvent('onunload', unloadHandler) + } + } + + /* Attributes + ---------------------------------------------------------------------- */ + + // Support: IE<8 + // Verify that getAttribute really returns attributes and not properties + // (excepting IE8 booleans) + support.attributes = assert(function (el) { + el.className = 'i' + return !el.getAttribute('className') + }) + + /* getElement(s)By* + ---------------------------------------------------------------------- */ + + // Check if getElementsByTagName("*") returns only elements + support.getElementsByTagName = assert(function (el) { + el.appendChild(document.createComment('')) + return !el.getElementsByTagName('*').length + }) + + // Support: IE<9 + support.getElementsByClassName = rnative.test(document.getElementsByClassName) + + // Support: IE<10 + // Check if getElementById returns elements by name + // The broken getElementById methods don't pick up programmatically-set names, + // so use a roundabout getElementsByName test + support.getById = assert(function (el) { + docElem.appendChild(el).id = expando + return !document.getElementsByName || !document.getElementsByName(expando).length + }) + + // ID filter and find + if (support.getById) { + Expr.filter.ID = function (id) { + const attrId = id.replace(runescape, funescape) + return function (elem) { + return elem.getAttribute('id') === attrId + } + } + Expr.find.ID = function (id, context) { + if (typeof context.getElementById !== 'undefined' && documentIsHTML) { + const elem = context.getElementById(id) + return elem ? [elem] : [] + } + } + } else { + Expr.filter.ID = function (id) { + const attrId = id.replace(runescape, funescape) + return function (elem) { + const node = typeof elem.getAttributeNode !== 'undefined' && + elem.getAttributeNode('id') + return node && node.value === attrId + } + } + + // Support: IE 6 - 7 only + // getElementById is not reliable as a find shortcut + Expr.find.ID = function (id, context) { + if (typeof context.getElementById !== 'undefined' && documentIsHTML) { + let node; let i; let elems + let elem = context.getElementById(id) + + if (elem) { + // Verify the id attribute + node = elem.getAttributeNode('id') + if (node && node.value === id) { + return [elem] + } + + // Fall back on getElementsByName + elems = context.getElementsByName(id) + i = 0 + while ((elem = elems[i++])) { + node = elem.getAttributeNode('id') + if (node && node.value === id) { + return [elem] + } + } + } + + return [] + } + } + } + + // Tag + Expr.find.TAG = support.getElementsByTagName + ? function (tag, context) { + if (typeof context.getElementsByTagName !== 'undefined') { + return context.getElementsByTagName(tag) + + // DocumentFragment nodes don't have gEBTN + } else if (support.qsa) { + return context.querySelectorAll(tag) + } + } + + : function (tag, context) { + let elem + const tmp = [] + let i = 0 + // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too + const results = context.getElementsByTagName(tag) + + // Filter out possible comments + if (tag === '*') { + while ((elem = results[i++])) { + if (elem.nodeType === 1) { + tmp.push(elem) + } + } + + return tmp + } + return results + } + + // Class + Expr.find.CLASS = support.getElementsByClassName && function (className, context) { + if (typeof context.getElementsByClassName !== 'undefined' && documentIsHTML) { + return context.getElementsByClassName(className) + } + } + + /* QSA/matchesSelector + ---------------------------------------------------------------------- */ + + // QSA and matchesSelector support + + // matchesSelector(:active) reports false when true (IE9/Opera 11.5) + rbuggyMatches = [] + + // qSa(:focus) reports false when true (Chrome 21) + // We allow this because of a bug in IE8/9 that throws an error + // whenever `document.activeElement` is accessed on an iframe + // So, we allow :focus to pass through QSA all the time to avoid the IE error + // See https://bugs.jquery.com/ticket/13378 + rbuggyQSA = [] + + if ((support.qsa = rnative.test(document.querySelectorAll))) { + // Build QSA regex + // Regex strategy adopted from Diego Perini + assert(function (el) { + // Select is set to empty string on purpose + // This is to test IE's treatment of not explicitly + // setting a boolean content attribute, + // since its presence should be enough + // https://bugs.jquery.com/ticket/12359 + docElem.appendChild(el).innerHTML = "" + + "" + + // Support: IE8, Opera 11-12.16 + // Nothing should be selected when empty strings follow ^= or $= or *= + // The test attribute must be unknown in Opera but "safe" for WinRT + // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section + if (el.querySelectorAll("[msallowcapture^='']").length) { + rbuggyQSA.push('[*^$]=' + whitespace + "*(?:''|\"\")") + } + + // Support: IE8 + // Boolean attributes and "value" are not treated correctly + if (!el.querySelectorAll('[selected]').length) { + rbuggyQSA.push('\\[' + whitespace + '*(?:value|' + booleans + ')') + } + + // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ + if (!el.querySelectorAll('[id~=' + expando + '-]').length) { + rbuggyQSA.push('~=') + } + + // Webkit/Opera - :checked should return selected option elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + // IE8 throws error here and will not see later tests + if (!el.querySelectorAll(':checked').length) { + rbuggyQSA.push(':checked') + } + + // Support: Safari 8+, iOS 8+ + // https://bugs.webkit.org/show_bug.cgi?id=136851 + // In-page `selector#id sibling-combinator selector` fails + if (!el.querySelectorAll('a#' + expando + '+*').length) { + rbuggyQSA.push('.#.+[+~]') + } + }) + + assert(function (el) { + el.innerHTML = "" + + "" + + // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + const input = document.createElement('input') + input.setAttribute('type', 'hidden') + el.appendChild(input).setAttribute('name', 'D') + + // Support: IE8 + // Enforce case-sensitivity of name attribute + if (el.querySelectorAll('[name=d]').length) { + rbuggyQSA.push('name' + whitespace + '*[*^$|!~]?=') + } + + // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) + // IE8 throws error here and will not see later tests + if (el.querySelectorAll(':enabled').length !== 2) { + rbuggyQSA.push(':enabled', ':disabled') + } + + // Support: IE9-11+ + // IE's :disabled selector does not pick up the children of disabled fieldsets + docElem.appendChild(el).disabled = true + if (el.querySelectorAll(':disabled').length !== 2) { + rbuggyQSA.push(':enabled', ':disabled') + } + + // Opera 10-11 does not throw on post-comma invalid pseudos + el.querySelectorAll('*,:x') + rbuggyQSA.push(',.*:') + }) + } + + if ((support.matchesSelector = rnative.test((matches = docElem.matches || + docElem.webkitMatchesSelector || + docElem.mozMatchesSelector || + docElem.oMatchesSelector || + docElem.msMatchesSelector)))) { + assert(function (el) { + // Check to see if it's possible to do matchesSelector + // on a disconnected node (IE 9) + support.disconnectedMatch = matches.call(el, '*') + + // This should fail with an exception + // Gecko does not error, returns false instead + matches.call(el, "[s!='']:x") + rbuggyMatches.push('!=', pseudos) + }) + } + + rbuggyQSA = rbuggyQSA.length && new RegExp(rbuggyQSA.join('|')) + rbuggyMatches = rbuggyMatches.length && new RegExp(rbuggyMatches.join('|')) + + /* Contains + ---------------------------------------------------------------------- */ + hasCompare = rnative.test(docElem.compareDocumentPosition) + + // Element contains another + // Purposefully self-exclusive + // As in, an element does not contain itself + contains = hasCompare || rnative.test(docElem.contains) + ? function (a, b) { + const adown = a.nodeType === 9 ? a.documentElement : a + const bup = b && b.parentNode + return a === bup || !!(bup && bup.nodeType === 1 && ( + adown.contains + ? adown.contains(bup) + : a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16 + )) + } + : function (a, b) { + if (b) { + while ((b = b.parentNode)) { + if (b === a) { + return true + } + } + } + return false + } + + /* Sorting + ---------------------------------------------------------------------- */ + + // Document order sorting + sortOrder = hasCompare + ? function (a, b) { + // Flag for duplicate removal + if (a === b) { + hasDuplicate = true + return 0 + } + + // Sort on method existence if only one input has compareDocumentPosition + let compare = !a.compareDocumentPosition - !b.compareDocumentPosition + if (compare) { + return compare + } + + // Calculate position if both inputs belong to the same document + compare = (a.ownerDocument || a) === (b.ownerDocument || b) + ? a.compareDocumentPosition(b) + + // Otherwise we know they are disconnected + : 1 + + // Disconnected nodes + if (compare & 1 || + (!support.sortDetached && b.compareDocumentPosition(a) === compare)) { + // Choose the first element that is related to our preferred document + if (a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a)) { + return -1 + } + if (b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b)) { + return 1 + } + + // Maintain original order + return sortInput + ? (indexOf(sortInput, a) - indexOf(sortInput, b)) + : 0 + } + + return compare & 4 ? -1 : 1 + } + : function (a, b) { + // Exit early if the nodes are identical + if (a === b) { + hasDuplicate = true + return 0 + } + + let cur + let i = 0 + const aup = a.parentNode + const bup = b.parentNode + const ap = [a] + const bp = [b] + + // Parentless nodes are either documents or disconnected + if (!aup || !bup) { + return a === document ? -1 + : b === document ? 1 + : aup ? -1 + : bup ? 1 + : sortInput + ? (indexOf(sortInput, a) - indexOf(sortInput, b)) + : 0 + + // If the nodes are siblings, we can do a quick check + } else if (aup === bup) { + return siblingCheck(a, b) + } + + // Otherwise we need full lists of their ancestors for comparison + cur = a + while ((cur = cur.parentNode)) { + ap.unshift(cur) + } + cur = b + while ((cur = cur.parentNode)) { + bp.unshift(cur) + } + + // Walk down the tree looking for a discrepancy + while (ap[i] === bp[i]) { + i++ + } + + return i + // Do a sibling check if the nodes have a common ancestor + ? siblingCheck(ap[i], bp[i]) + + // Otherwise nodes in our document sort first + : ap[i] === preferredDoc ? -1 + : bp[i] === preferredDoc ? 1 + : 0 + } + + return document + } + + Sizzle.matches = function (expr, elements) { + return Sizzle(expr, null, null, elements) + } + + Sizzle.matchesSelector = function (elem, expr) { + // Set document vars if needed + if ((elem.ownerDocument || elem) !== document) { + setDocument(elem) + } + + if (support.matchesSelector && documentIsHTML && + !nonnativeSelectorCache[expr + ' '] && + (!rbuggyMatches || !rbuggyMatches.test(expr)) && + (!rbuggyQSA || !rbuggyQSA.test(expr))) { + try { + const ret = matches.call(elem, expr) + + // IE 9's matchesSelector returns false on disconnected nodes + if (ret || support.disconnectedMatch || + // As well, disconnected nodes are said to be in a document + // fragment in IE 9 + elem.document && elem.document.nodeType !== 11) { + return ret + } + } catch (e) { + nonnativeSelectorCache(expr, true) + } + } + + return Sizzle(expr, document, null, [elem]).length > 0 + } + + Sizzle.contains = function (context, elem) { + // Set document vars if needed + if ((context.ownerDocument || context) !== document) { + setDocument(context) + } + return contains(context, elem) + } + + Sizzle.attr = function (elem, name) { + // Set document vars if needed + if ((elem.ownerDocument || elem) !== document) { + setDocument(elem) + } + + const fn = Expr.attrHandle[name.toLowerCase()] + // Don't get fooled by Object.prototype properties (jQuery #13807) + let val = fn && hasOwn.call(Expr.attrHandle, name.toLowerCase()) + ? fn(elem, name, !documentIsHTML) + : undefined + + return val !== undefined + ? val + : support.attributes || !documentIsHTML + ? elem.getAttribute(name) + : (val = elem.getAttributeNode(name)) && val.specified + ? val.value + : null + } + + Sizzle.escape = function (sel) { + return (sel + '').replace(rcssescape, fcssescape) + } + + Sizzle.error = function (msg) { + throw new Error('Syntax error, unrecognized expression: ' + msg) + } + + /** + * Document sorting and removing duplicates + * @param {ArrayLike} results + */ + Sizzle.uniqueSort = function (results) { + let elem + const duplicates = [] + let j = 0 + let i = 0 + + // Unless we *know* we can detect duplicates, assume their presence + hasDuplicate = !support.detectDuplicates + sortInput = !support.sortStable && results.slice(0) + results.sort(sortOrder) + + if (hasDuplicate) { + while ((elem = results[i++])) { + if (elem === results[i]) { + j = duplicates.push(i) + } + } + while (j--) { + results.splice(duplicates[j], 1) + } + } + + // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput = null + + return results + } + + /** + * Utility function for retrieving the text value of an array of DOM nodes + * @param {Array|Element} elem + */ + getText = Sizzle.getText = function (elem) { + let node + let ret = '' + let i = 0 + const nodeType = elem.nodeType + + if (!nodeType) { + // If no nodeType, this is expected to be an array + while ((node = elem[i++])) { + // Do not traverse comment nodes + ret += getText(node) + } + } else if (nodeType === 1 || nodeType === 9 || nodeType === 11) { + // Use textContent for elements + // innerText usage removed for consistency of new lines (jQuery #11153) + if (typeof elem.textContent === 'string') { + return elem.textContent + } else { + // Traverse its children + for (elem = elem.firstChild; elem; elem = elem.nextSibling) { + ret += getText(elem) + } + } + } else if (nodeType === 3 || nodeType === 4) { + return elem.nodeValue + } + // Do not include comment or processing instruction nodes + + return ret + } + + Expr = Sizzle.selectors = { + + // Can be adjusted by the user + cacheLength: 50, + + createPseudo: markFunction, + + match: matchExpr, + + attrHandle: {}, + + find: {}, + + relative: { + '>': { dir: 'parentNode', first: true }, + ' ': { dir: 'parentNode' }, + '+': { dir: 'previousSibling', first: true }, + '~': { dir: 'previousSibling' } + }, + + preFilter: { + ATTR: function (match) { + match[1] = match[1].replace(runescape, funescape) + + // Move the given value to match[3] whether quoted or unquoted + match[3] = (match[3] || match[4] || match[5] || '').replace(runescape, funescape) + + if (match[2] === '~=') { + match[3] = ' ' + match[3] + ' ' + } + + return match.slice(0, 4) + }, + + CHILD: function (match) { + /* matches from matchExpr["CHILD"] + 1 type (only|nth|...) + 2 what (child|of-type) + 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) + 4 xn-component of xn+y argument ([+-]?\d*n|) + 5 sign of xn-component + 6 x of xn-component + 7 sign of y-component + 8 y of y-component + */ + match[1] = match[1].toLowerCase() + + if (match[1].slice(0, 3) === 'nth') { + // nth-* requires argument + if (!match[3]) { + Sizzle.error(match[0]) + } + + // numeric x and y parameters for Expr.filter.CHILD + // remember that false/true cast respectively to 0/1 + match[4] = +(match[4] ? match[5] + (match[6] || 1) : 2 * (match[3] === 'even' || match[3] === 'odd')) + match[5] = +((match[7] + match[8]) || match[3] === 'odd') + + // other types prohibit arguments + } else if (match[3]) { + Sizzle.error(match[0]) + } + + return match + }, + + PSEUDO: function (match) { + let excess + const unquoted = !match[6] && match[2] + + if (matchExpr.CHILD.test(match[0])) { + return null + } + + // Accept quoted arguments as-is + if (match[3]) { + match[2] = match[4] || match[5] || '' + + // Strip excess characters from unquoted arguments + } else if (unquoted && rpseudo.test(unquoted) && + // Get excess from tokenize (recursively) + (excess = tokenize(unquoted, true)) && + // advance to the next closing parenthesis + (excess = unquoted.indexOf(')', unquoted.length - excess) - unquoted.length)) { + // excess is a negative index + match[0] = match[0].slice(0, excess) + match[2] = unquoted.slice(0, excess) + } + + // Return only captures needed by the pseudo filter method (type and argument) + return match.slice(0, 3) + } + }, + + filter: { + + TAG: function (nodeNameSelector) { + const nodeName = nodeNameSelector.replace(runescape, funescape).toLowerCase() + return nodeNameSelector === '*' + ? function () { return true } + : function (elem) { + return elem.nodeName && elem.nodeName.toLowerCase() === nodeName + } + }, + + CLASS: function (className) { + let pattern = classCache[className + ' '] + + return pattern || + (pattern = new RegExp('(^|' + whitespace + ')' + className + '(' + whitespace + '|$)')) && + classCache(className, function (elem) { + return pattern.test(typeof elem.className === 'string' && elem.className || typeof elem.getAttribute !== 'undefined' && elem.getAttribute('class') || '') + }) + }, + + ATTR: function (name, operator, check) { + return function (elem) { + let result = Sizzle.attr(elem, name) + + if (result == null) { + return operator === '!=' + } + if (!operator) { + return true + } + + result += '' + + return operator === '=' ? result === check + : operator === '!=' ? result !== check + : operator === '^=' ? check && result.indexOf(check) === 0 + : operator === '*=' ? check && result.indexOf(check) > -1 + : operator === '$=' ? check && result.slice(-check.length) === check + : operator === '~=' ? (' ' + result.replace(rwhitespace, ' ') + ' ').indexOf(check) > -1 + : operator === '|=' ? result === check || result.slice(0, check.length + 1) === check + '-' + : false + } + }, + + CHILD: function (type, what, argument, first, last) { + const simple = type.slice(0, 3) !== 'nth' + const forward = type.slice(-4) !== 'last' + const ofType = what === 'of-type' + + return first === 1 && last === 0 + + // Shortcut for :nth-*(n) + ? function (elem) { + return !!elem.parentNode + } + + : function (elem, context, xml) { + let cache; let uniqueCache; let outerCache; let node; let nodeIndex; let start + let dir = simple !== forward ? 'nextSibling' : 'previousSibling' + const parent = elem.parentNode + const name = ofType && elem.nodeName.toLowerCase() + const useCache = !xml && !ofType + let diff = false + + if (parent) { + // :(first|last|only)-(child|of-type) + if (simple) { + while (dir) { + node = elem + while ((node = node[dir])) { + if (ofType + ? node.nodeName.toLowerCase() === name + : node.nodeType === 1) { + return false + } + } + // Reverse direction for :only-* (if we haven't yet done so) + start = dir = type === 'only' && !start && 'nextSibling' + } + return true + } + + start = [forward ? parent.firstChild : parent.lastChild] + + // non-xml :nth-child(...) stores cache data on `parent` + if (forward && useCache) { + // Seek `elem` from a previously-cached index + + // ...in a gzip-friendly way + node = parent + outerCache = node[expando] || (node[expando] = {}) + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[node.uniqueID] || + (outerCache[node.uniqueID] = {}) + + cache = uniqueCache[type] || [] + nodeIndex = cache[0] === dirruns && cache[1] + diff = nodeIndex && cache[2] + node = nodeIndex && parent.childNodes[nodeIndex] + + while ((node = ++nodeIndex && node && node[dir] || + + // Fallback to seeking `elem` from the start + (diff = nodeIndex = 0) || start.pop())) { + // When found, cache indexes on `parent` and break + if (node.nodeType === 1 && ++diff && node === elem) { + uniqueCache[type] = [dirruns, nodeIndex, diff] + break + } + } + } else { + // Use previously-cached element index if available + if (useCache) { + // ...in a gzip-friendly way + node = elem + outerCache = node[expando] || (node[expando] = {}) + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[node.uniqueID] || + (outerCache[node.uniqueID] = {}) + + cache = uniqueCache[type] || [] + nodeIndex = cache[0] === dirruns && cache[1] + diff = nodeIndex + } + + // xml :nth-child(...) + // or :nth-last-child(...) or :nth(-last)?-of-type(...) + if (diff === false) { + // Use the same loop as above to seek `elem` from the start + while ((node = ++nodeIndex && node && node[dir] || + (diff = nodeIndex = 0) || start.pop())) { + if ((ofType + ? node.nodeName.toLowerCase() === name + : node.nodeType === 1) && + ++diff) { + // Cache the index of each encountered element + if (useCache) { + outerCache = node[expando] || (node[expando] = {}) + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[node.uniqueID] || + (outerCache[node.uniqueID] = {}) + + uniqueCache[type] = [dirruns, diff] + } + + if (node === elem) { + break + } + } + } + } + } + + // Incorporate the offset, then check against cycle size + diff -= last + return diff === first || (diff % first === 0 && diff / first >= 0) + } + } + }, + + PSEUDO: function (pseudo, argument) { + // pseudo-class names are case-insensitive + // http://www.w3.org/TR/selectors/#pseudo-classes + // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters + // Remember that setFilters inherits from pseudos + let args + const fn = Expr.pseudos[pseudo] || Expr.setFilters[pseudo.toLowerCase()] || + Sizzle.error('unsupported pseudo: ' + pseudo) + + // The user may use createPseudo to indicate that + // arguments are needed to create the filter function + // just as Sizzle does + if (fn[expando]) { + return fn(argument) + } + + // But maintain support for old signatures + if (fn.length > 1) { + args = [pseudo, pseudo, '', argument] + return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase()) + ? markFunction(function (seed, matches) { + let idx + const matched = fn(seed, argument) + let i = matched.length + while (i--) { + idx = indexOf(seed, matched[i]) + seed[idx] = !(matches[idx] = matched[i]) + } + }) + : function (elem) { + return fn(elem, 0, args) + } + } + + return fn + } + }, + + pseudos: { + // Potentially complex pseudos + not: markFunction(function (selector) { + // Trim the selector passed to compile + // to avoid treating leading and trailing + // spaces as combinators + const input = [] + const results = [] + const matcher = compile(selector.replace(rtrim, '$1')) + + return matcher[expando] + ? markFunction(function (seed, matches, context, xml) { + let elem + const unmatched = matcher(seed, null, xml, []) + let i = seed.length + + // Match elements unmatched by `matcher` + while (i--) { + if ((elem = unmatched[i])) { + seed[i] = !(matches[i] = elem) + } + } + }) + : function (elem, context, xml) { + input[0] = elem + matcher(input, null, xml, results) + // Don't keep the element (issue #299) + input[0] = null + return !results.pop() + } + }), + + has: markFunction(function (selector) { + return function (elem) { + return Sizzle(selector, elem).length > 0 + } + }), + + contains: markFunction(function (text) { + text = text.replace(runescape, funescape) + return function (elem) { + return (elem.textContent || getText(elem)).indexOf(text) > -1 + } + }), + + // "Whether an element is represented by a :lang() selector + // is based solely on the element's language value + // being equal to the identifier C, + // or beginning with the identifier C immediately followed by "-". + // The matching of C against the element's language value is performed case-insensitively. + // The identifier C does not have to be a valid language name." + // http://www.w3.org/TR/selectors/#lang-pseudo + lang: markFunction(function (lang) { + // lang value must be a valid identifier + if (!ridentifier.test(lang || '')) { + Sizzle.error('unsupported lang: ' + lang) + } + lang = lang.replace(runescape, funescape).toLowerCase() + return function (elem) { + let elemLang + do { + if ((elemLang = documentIsHTML + ? elem.lang + : elem.getAttribute('xml:lang') || elem.getAttribute('lang'))) { + elemLang = elemLang.toLowerCase() + return elemLang === lang || elemLang.indexOf(lang + '-') === 0 + } + } while ((elem = elem.parentNode) && elem.nodeType === 1) + return false + } + }), + + // Miscellaneous + target: function (elem) { + const hash = window.location && window.location.hash + return hash && hash.slice(1) === elem.id + }, + + root: function (elem) { + return elem === docElem + }, + + focus: function (elem) { + return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex) + }, + + // Boolean properties + enabled: createDisabledPseudo(false), + disabled: createDisabledPseudo(true), + + checked: function (elem) { + // In CSS3, :checked should return both checked and selected elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + const nodeName = elem.nodeName.toLowerCase() + return (nodeName === 'input' && !!elem.checked) || (nodeName === 'option' && !!elem.selected) + }, + + selected: function (elem) { + // Accessing this property makes selected-by-default + // options in Safari work properly + if (elem.parentNode) { + elem.parentNode.selectedIndex + } + + return elem.selected === true + }, + + // Contents + empty: function (elem) { + // http://www.w3.org/TR/selectors/#empty-pseudo + // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), + // but not by others (comment: 8; processing instruction: 7; etc.) + // nodeType < 6 works because attributes (2) do not appear as children + for (elem = elem.firstChild; elem; elem = elem.nextSibling) { + if (elem.nodeType < 6) { + return false + } + } + return true + }, + + parent: function (elem) { + return !Expr.pseudos.empty(elem) + }, + + // Element/input types + header: function (elem) { + return rheader.test(elem.nodeName) + }, + + input: function (elem) { + return rinputs.test(elem.nodeName) + }, + + button: function (elem) { + const name = elem.nodeName.toLowerCase() + return name === 'input' && elem.type === 'button' || name === 'button' + }, + + text: function (elem) { + let attr + return elem.nodeName.toLowerCase() === 'input' && + elem.type === 'text' && + + // Support: IE<8 + // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" + ((attr = elem.getAttribute('type')) == null || attr.toLowerCase() === 'text') + }, + + // Position-in-collection + first: createPositionalPseudo(function () { + return [0] + }), + + last: createPositionalPseudo(function (matchIndexes, length) { + return [length - 1] + }), + + eq: createPositionalPseudo(function (matchIndexes, length, argument) { + return [argument < 0 ? argument + length : argument] + }), + + even: createPositionalPseudo(function (matchIndexes, length) { + let i = 0 + for (; i < length; i += 2) { + matchIndexes.push(i) + } + return matchIndexes + }), + + odd: createPositionalPseudo(function (matchIndexes, length) { + let i = 1 + for (; i < length; i += 2) { + matchIndexes.push(i) + } + return matchIndexes + }), + + lt: createPositionalPseudo(function (matchIndexes, length, argument) { + let i = argument < 0 + ? argument + length + : argument > length + ? length + : argument + for (; --i >= 0;) { + matchIndexes.push(i) + } + return matchIndexes + }), + + gt: createPositionalPseudo(function (matchIndexes, length, argument) { + let i = argument < 0 ? argument + length : argument + for (; ++i < length;) { + matchIndexes.push(i) + } + return matchIndexes + }) + } + } + + Expr.pseudos.nth = Expr.pseudos.eq + + // Add button/input type pseudos + for (i in { radio: true, checkbox: true, file: true, password: true, image: true }) { + Expr.pseudos[i] = createInputPseudo(i) + } + for (i in { submit: true, reset: true }) { + Expr.pseudos[i] = createButtonPseudo(i) + } + + // Easy API for creating new setFilters + function setFilters () {} + setFilters.prototype = Expr.filters = Expr.pseudos + Expr.setFilters = new setFilters() + + tokenize = Sizzle.tokenize = function (selector, parseOnly) { + let matched; let match; let tokens; let type + let soFar; let groups; let preFilters + const cached = tokenCache[selector + ' '] + + if (cached) { + return parseOnly ? 0 : cached.slice(0) + } + + soFar = selector + groups = [] + preFilters = Expr.preFilter + + while (soFar) { + // Comma and first run + if (!matched || (match = rcomma.exec(soFar))) { + if (match) { + // Don't consume trailing commas as valid + soFar = soFar.slice(match[0].length) || soFar + } + groups.push((tokens = [])) + } + + matched = false + + // Combinators + if ((match = rcombinators.exec(soFar))) { + matched = match.shift() + tokens.push({ + value: matched, + // Cast descendant combinators to space + type: match[0].replace(rtrim, ' ') + }) + soFar = soFar.slice(matched.length) + } + + // Filters + for (type in Expr.filter) { + if ((match = matchExpr[type].exec(soFar)) && (!preFilters[type] || + (match = preFilters[type](match)))) { + matched = match.shift() + tokens.push({ + value: matched, + type: type, + matches: match + }) + soFar = soFar.slice(matched.length) + } + } + + if (!matched) { + break + } + } + + // Return the length of the invalid excess + // if we're just parsing + // Otherwise, throw an error or return tokens + return parseOnly + ? soFar.length + : soFar + ? Sizzle.error(selector) + // Cache the tokens + : tokenCache(selector, groups).slice(0) + } + + function toSelector (tokens) { + let i = 0 + const len = tokens.length + let selector = '' + for (; i < len; i++) { + selector += tokens[i].value + } + return selector + } + + function addCombinator (matcher, combinator, base) { + const dir = combinator.dir + const skip = combinator.next + const key = skip || dir + const checkNonElements = base && key === 'parentNode' + const doneName = done++ + + return combinator.first + // Check against closest ancestor/preceding element + ? function (elem, context, xml) { + while ((elem = elem[dir])) { + if (elem.nodeType === 1 || checkNonElements) { + return matcher(elem, context, xml) + } + } + return false + } + + // Check against all ancestor/preceding elements + : function (elem, context, xml) { + let oldCache; let uniqueCache; let outerCache + const newCache = [dirruns, doneName] + + // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching + if (xml) { + while ((elem = elem[dir])) { + if (elem.nodeType === 1 || checkNonElements) { + if (matcher(elem, context, xml)) { + return true + } + } + } + } else { + while ((elem = elem[dir])) { + if (elem.nodeType === 1 || checkNonElements) { + outerCache = elem[expando] || (elem[expando] = {}) + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[elem.uniqueID] || (outerCache[elem.uniqueID] = {}) + + if (skip && skip === elem.nodeName.toLowerCase()) { + elem = elem[dir] || elem + } else if ((oldCache = uniqueCache[key]) && + oldCache[0] === dirruns && oldCache[1] === doneName) { + // Assign to newCache so results back-propagate to previous elements + return (newCache[2] = oldCache[2]) + } else { + // Reuse newcache so results back-propagate to previous elements + uniqueCache[key] = newCache + + // A match means we're done; a fail means we have to keep checking + if ((newCache[2] = matcher(elem, context, xml))) { + return true + } + } + } + } + } + return false + } + } + + function elementMatcher (matchers) { + return matchers.length > 1 + ? function (elem, context, xml) { + let i = matchers.length + while (i--) { + if (!matchers[i](elem, context, xml)) { + return false + } + } + return true + } + : matchers[0] + } + + function multipleContexts (selector, contexts, results) { + let i = 0 + const len = contexts.length + for (; i < len; i++) { + Sizzle(selector, contexts[i], results) + } + return results + } + + function condense (unmatched, map, filter, context, xml) { + let elem + const newUnmatched = [] + let i = 0 + const len = unmatched.length + const mapped = map != null + + for (; i < len; i++) { + if ((elem = unmatched[i])) { + if (!filter || filter(elem, context, xml)) { + newUnmatched.push(elem) + if (mapped) { + map.push(i) + } + } + } + } + + return newUnmatched + } + + function setMatcher (preFilter, selector, matcher, postFilter, postFinder, postSelector) { + if (postFilter && !postFilter[expando]) { + postFilter = setMatcher(postFilter) + } + if (postFinder && !postFinder[expando]) { + postFinder = setMatcher(postFinder, postSelector) + } + return markFunction(function (seed, results, context, xml) { + let temp; let i; let elem + const preMap = [] + const postMap = [] + const preexisting = results.length + + // Get initial elements from seed or context + const elems = seed || multipleContexts(selector || '*', context.nodeType ? [context] : context, []) + + // Prefilter to get matcher input, preserving a map for seed-results synchronization + const matcherIn = preFilter && (seed || !selector) + ? condense(elems, preMap, preFilter, context, xml) + : elems + + let matcherOut = matcher + // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, + ? postFinder || (seed ? preFilter : preexisting || postFilter) + + // ...intermediate processing is necessary + ? [] + + // ...otherwise use results directly + : results + : matcherIn + + // Find primary matches + if (matcher) { + matcher(matcherIn, matcherOut, context, xml) + } + + // Apply postFilter + if (postFilter) { + temp = condense(matcherOut, postMap) + postFilter(temp, [], context, xml) + + // Un-match failing elements by moving them back to matcherIn + i = temp.length + while (i--) { + if ((elem = temp[i])) { + matcherOut[postMap[i]] = !(matcherIn[postMap[i]] = elem) + } + } + } + + if (seed) { + if (postFinder || preFilter) { + if (postFinder) { + // Get the final matcherOut by condensing this intermediate into postFinder contexts + temp = [] + i = matcherOut.length + while (i--) { + if ((elem = matcherOut[i])) { + // Restore matcherIn since elem is not yet a final match + temp.push((matcherIn[i] = elem)) + } + } + postFinder(null, (matcherOut = []), temp, xml) + } + + // Move matched elements from seed to results to keep them synchronized + i = matcherOut.length + while (i--) { + if ((elem = matcherOut[i]) && + (temp = postFinder ? indexOf(seed, elem) : preMap[i]) > -1) { + seed[temp] = !(results[temp] = elem) + } + } + } + + // Add elements to results, through postFinder if defined + } else { + matcherOut = condense( + matcherOut === results + ? matcherOut.splice(preexisting, matcherOut.length) + : matcherOut + ) + if (postFinder) { + postFinder(null, results, matcherOut, xml) + } else { + push.apply(results, matcherOut) + } + } + }) + } + + function matcherFromTokens (tokens) { + let checkContext; let matcher; let j + const len = tokens.length + const leadingRelative = Expr.relative[tokens[0].type] + const implicitRelative = leadingRelative || Expr.relative[' '] + let i = leadingRelative ? 1 : 0 + + // The foundational matcher ensures that elements are reachable from top-level context(s) + const matchContext = addCombinator(function (elem) { + return elem === checkContext + }, implicitRelative, true) + const matchAnyContext = addCombinator(function (elem) { + return indexOf(checkContext, elem) > -1 + }, implicitRelative, true) + let matchers = [function (elem, context, xml) { + const ret = (!leadingRelative && (xml || context !== outermostContext)) || ( + (checkContext = context).nodeType + ? matchContext(elem, context, xml) + : matchAnyContext(elem, context, xml)) + // Avoid hanging onto element (issue #299) + checkContext = null + return ret + }] + + for (; i < len; i++) { + if ((matcher = Expr.relative[tokens[i].type])) { + matchers = [addCombinator(elementMatcher(matchers), matcher)] + } else { + matcher = Expr.filter[tokens[i].type].apply(null, tokens[i].matches) + + // Return special upon seeing a positional matcher + if (matcher[expando]) { + // Find the next relative operator (if any) for proper handling + j = ++i + for (; j < len; j++) { + if (Expr.relative[tokens[j].type]) { + break + } + } + return setMatcher( + i > 1 && elementMatcher(matchers), + i > 1 && toSelector( + // If the preceding token was a descendant combinator, insert an implicit any-element `*` + tokens.slice(0, i - 1).concat({ value: tokens[i - 2].type === ' ' ? '*' : '' }) + ).replace(rtrim, '$1'), + matcher, + i < j && matcherFromTokens(tokens.slice(i, j)), + j < len && matcherFromTokens((tokens = tokens.slice(j))), + j < len && toSelector(tokens) + ) + } + matchers.push(matcher) + } + } + + return elementMatcher(matchers) + } + + function matcherFromGroupMatchers (elementMatchers, setMatchers) { + const bySet = setMatchers.length > 0 + const byElement = elementMatchers.length > 0 + const superMatcher = function (seed, context, xml, results, outermost) { + let elem; let j; let matcher + let matchedCount = 0 + let i = '0' + const unmatched = seed && [] + let setMatched = [] + const contextBackup = outermostContext + // We must always have either seed elements or outermost context + const elems = seed || byElement && Expr.find.TAG('*', outermost) + // Use integer dirruns iff this is the outermost matcher + const dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1) + const len = elems.length + + if (outermost) { + outermostContext = context === document || context || outermost + } + + // Add elements passing elementMatchers directly to results + // Support: IE<9, Safari + // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id + for (; i !== len && (elem = elems[i]) != null; i++) { + if (byElement && elem) { + j = 0 + if (!context && elem.ownerDocument !== document) { + setDocument(elem) + xml = !documentIsHTML + } + while ((matcher = elementMatchers[j++])) { + if (matcher(elem, context || document, xml)) { + results.push(elem) + break + } + } + if (outermost) { + dirruns = dirrunsUnique + } + } + + // Track unmatched elements for set filters + if (bySet) { + // They will have gone through all possible matchers + if ((elem = !matcher && elem)) { + matchedCount-- + } + + // Lengthen the array for every element, matched or not + if (seed) { + unmatched.push(elem) + } + } + } + + // `i` is now the count of elements visited above, and adding it to `matchedCount` + // makes the latter nonnegative. + matchedCount += i + + // Apply set filters to unmatched elements + // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` + // equals `i`), unless we didn't visit _any_ elements in the above loop because we have + // no element matchers and no seed. + // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that + // case, which will result in a "00" `matchedCount` that differs from `i` but is also + // numerically zero. + if (bySet && i !== matchedCount) { + j = 0 + while ((matcher = setMatchers[j++])) { + matcher(unmatched, setMatched, context, xml) + } + + if (seed) { + // Reintegrate element matches to eliminate the need for sorting + if (matchedCount > 0) { + while (i--) { + if (!(unmatched[i] || setMatched[i])) { + setMatched[i] = pop.call(results) + } + } + } + + // Discard index placeholder values to get only actual matches + setMatched = condense(setMatched) + } + + // Add matches to results + push.apply(results, setMatched) + + // Seedless set matches succeeding multiple successful matchers stipulate sorting + if (outermost && !seed && setMatched.length > 0 && + (matchedCount + setMatchers.length) > 1) { + Sizzle.uniqueSort(results) + } + } + + // Override manipulation of globals by nested matchers + if (outermost) { + dirruns = dirrunsUnique + outermostContext = contextBackup + } + + return unmatched + } + + return bySet + ? markFunction(superMatcher) + : superMatcher + } + + compile = Sizzle.compile = function (selector, match /* Internal Use Only */) { + let i + const setMatchers = [] + const elementMatchers = [] + let cached = compilerCache[selector + ' '] + + if (!cached) { + // Generate a function of recursive functions that can be used to check each element + if (!match) { + match = tokenize(selector) + } + i = match.length + while (i--) { + cached = matcherFromTokens(match[i]) + if (cached[expando]) { + setMatchers.push(cached) + } else { + elementMatchers.push(cached) + } + } + + // Cache the compiled function + cached = compilerCache(selector, matcherFromGroupMatchers(elementMatchers, setMatchers)) + + // Save selector and tokenization + cached.selector = selector + } + return cached + } + + /** + * A low-level selection function that works with Sizzle's compiled + * selector functions + * @param {String|Function} selector A selector or a pre-compiled + * selector function built with Sizzle.compile + * @param {Element} context + * @param {Array} [results] + * @param {Array} [seed] A set of elements to match against + */ + select = Sizzle.select = function (selector, context, results, seed) { + let i; let tokens; let token; let type; let find + const compiled = typeof selector === 'function' && selector + const match = !seed && tokenize((selector = compiled.selector || selector)) + + results = results || [] + + // Try to minimize operations if there is only one selector in the list and no seed + // (the latter of which guarantees us context) + if (match.length === 1) { + // Reduce context if the leading compound selector is an ID + tokens = match[0] = match[0].slice(0) + if (tokens.length > 2 && (token = tokens[0]).type === 'ID' && + context.nodeType === 9 && documentIsHTML && Expr.relative[tokens[1].type]) { + context = (Expr.find.ID(token.matches[0].replace(runescape, funescape), context) || [])[0] + if (!context) { + return results + + // Precompiled matchers will still verify ancestry, so step up a level + } else if (compiled) { + context = context.parentNode + } + + selector = selector.slice(tokens.shift().value.length) + } + + // Fetch a seed set for right-to-left matching + i = matchExpr.needsContext.test(selector) ? 0 : tokens.length + while (i--) { + token = tokens[i] + + // Abort if we hit a combinator + if (Expr.relative[(type = token.type)]) { + break + } + if ((find = Expr.find[type])) { + // Search, expanding context for leading sibling combinators + if ((seed = find( + token.matches[0].replace(runescape, funescape), + rsibling.test(tokens[0].type) && testContext(context.parentNode) || context + ))) { + // If seed is empty or no tokens remain, we can return early + tokens.splice(i, 1) + selector = seed.length && toSelector(tokens) + if (!selector) { + push.apply(results, seed) + return results + } + + break + } + } + } + } + + // Compile and execute a filtering function if one is not provided + // Provide `match` to avoid retokenization if we modified the selector above + (compiled || compile(selector, match))( + seed, + context, + !documentIsHTML, + results, + !context || rsibling.test(selector) && testContext(context.parentNode) || context + ) + return results + } + + // One-time assignments + + // Sort stability + support.sortStable = expando.split('').sort(sortOrder).join('') === expando + + // Support: Chrome 14-35+ + // Always assume duplicates if they aren't passed to the comparison function + support.detectDuplicates = !!hasDuplicate + + // Initialize against the default document + setDocument() + + // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) + // Detached nodes confoundingly follow *each other* + support.sortDetached = assert(function (el) { + // Should return 1, but returns 4 (following) + return el.compareDocumentPosition(document.createElement('fieldset')) & 1 + }) + + // Support: IE<8 + // Prevent attribute/property "interpolation" + // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx + if (!assert(function (el) { + el.innerHTML = "" + return el.firstChild.getAttribute('href') === '#' + })) { + addHandle('type|href|height|width', function (elem, name, isXML) { + if (!isXML) { + return elem.getAttribute(name, name.toLowerCase() === 'type' ? 1 : 2) + } + }) + } + + // Support: IE<9 + // Use defaultValue in place of getAttribute("value") + if (!support.attributes || !assert(function (el) { + el.innerHTML = '' + el.firstChild.setAttribute('value', '') + return el.firstChild.getAttribute('value') === '' + })) { + addHandle('value', function (elem, name, isXML) { + if (!isXML && elem.nodeName.toLowerCase() === 'input') { + return elem.defaultValue + } + }) + } + + // Support: IE<9 + // Use getAttributeNode to fetch booleans when getAttribute lies + if (!assert(function (el) { + return el.getAttribute('disabled') == null + })) { + addHandle(booleans, function (elem, name, isXML) { + let val + if (!isXML) { + return elem[name] === true ? name.toLowerCase() + : (val = elem.getAttributeNode(name)) && val.specified + ? val.value + : null + } + }) + } + + return Sizzle +})(window) + + jQuery.find = Sizzle + jQuery.expr = Sizzle.selectors + + // Deprecated + jQuery.expr[':'] = jQuery.expr.pseudos + jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort + jQuery.text = Sizzle.getText + jQuery.isXMLDoc = Sizzle.isXML + jQuery.contains = Sizzle.contains + jQuery.escapeSelector = Sizzle.escape + + const dir = function (elem, dir, until) { + const matched = [] + const truncate = until !== undefined + + while ((elem = elem[dir]) && elem.nodeType !== 9) { + if (elem.nodeType === 1) { + if (truncate && jQuery(elem).is(until)) { + break + } + matched.push(elem) + } + } + return matched + } + + const siblings = function (n, elem) { + const matched = [] + + for (; n; n = n.nextSibling) { + if (n.nodeType === 1 && n !== elem) { + matched.push(n) + } + } + + return matched + } + + const rneedsContext = jQuery.expr.match.needsContext + + function nodeName (elem, name) { + return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase() + }; + const rsingleTag = (/^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i) + + // Implement the identical functionality for filter and not + function winnow (elements, qualifier, not) { + if (isFunction(qualifier)) { + return jQuery.grep(elements, function (elem, i) { + return !!qualifier.call(elem, i, elem) !== not + }) + } + + // Single element + if (qualifier.nodeType) { + return jQuery.grep(elements, function (elem) { + return (elem === qualifier) !== not + }) + } + + // Arraylike of elements (jQuery, arguments, Array) + if (typeof qualifier !== 'string') { + return jQuery.grep(elements, function (elem) { + return (indexOf.call(qualifier, elem) > -1) !== not + }) + } + + // Filtered directly for both simple and complex selectors + return jQuery.filter(qualifier, elements, not) + } + + jQuery.filter = function (expr, elems, not) { + const elem = elems[0] + + if (not) { + expr = ':not(' + expr + ')' + } + + if (elems.length === 1 && elem.nodeType === 1) { + return jQuery.find.matchesSelector(elem, expr) ? [elem] : [] + } + + return jQuery.find.matches(expr, jQuery.grep(elems, function (elem) { + return elem.nodeType === 1 + })) + } + + jQuery.fn.extend({ + find: function (selector) { + let i; let ret + const len = this.length + const self = this + + if (typeof selector !== 'string') { + return this.pushStack(jQuery(selector).filter(function () { + for (i = 0; i < len; i++) { + if (jQuery.contains(self[i], this)) { + return true + } + } + })) + } + + ret = this.pushStack([]) + + for (i = 0; i < len; i++) { + jQuery.find(selector, self[i], ret) + } + + return len > 1 ? jQuery.uniqueSort(ret) : ret + }, + filter: function (selector) { + return this.pushStack(winnow(this, selector || [], false)) + }, + not: function (selector) { + return this.pushStack(winnow(this, selector || [], true)) + }, + is: function (selector) { + return !!winnow( + this, + + // If this is a positional/relative selector, check membership in the returned set + // so $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector === 'string' && rneedsContext.test(selector) + ? jQuery(selector) + : selector || [], + false + ).length + } + }) + + // Initialize a jQuery object + + // A central reference to the root jQuery(document) + let rootjQuery + + // A simple way to check for HTML strings + // Prioritize #id over to avoid XSS via location.hash (#9521) + // Strict HTML recognition (#11290: must start with <) + // Shortcut simple #id case for speed + const rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/ + + const init = jQuery.fn.init = function (selector, context, root) { + let match, elem + + // HANDLE: $(""), $(null), $(undefined), $(false) + if (!selector) { + return this + } + + // Method init() accepts an alternate rootjQuery + // so migrate can support jQuery.sub (gh-2101) + root = root || rootjQuery + + // Handle HTML strings + if (typeof selector === 'string') { + if (selector[0] === '<' && + selector[selector.length - 1] === '>' && + selector.length >= 3) { + // Assume that strings that start and end with <> are HTML and skip the regex check + match = [null, selector, null] + } else { + match = rquickExpr.exec(selector) + } + + // Match html or make sure no context is specified for #id + if (match && (match[1] || !context)) { + // HANDLE: $(html) -> $(array) + if (match[1]) { + context = context instanceof jQuery ? context[0] : context + + // Option to run scripts is true for back-compat + // Intentionally let the error be thrown if parseHTML is not present + jQuery.merge(this, jQuery.parseHTML( + match[1], + context && context.nodeType ? context.ownerDocument || context : document, + true + )) + + // HANDLE: $(html, props) + if (rsingleTag.test(match[1]) && jQuery.isPlainObject(context)) { + for (match in context) { + // Properties of context are called as methods if possible + if (isFunction(this[match])) { + this[match](context[match]) + + // ...and otherwise set as attributes + } else { + this.attr(match, context[match]) + } + } + } + + return this + + // HANDLE: $(#id) + } else { + elem = document.getElementById(match[2]) + + if (elem) { + // Inject the element directly into the jQuery object + this[0] = elem + this.length = 1 + } + return this + } + + // HANDLE: $(expr, $(...)) + } else if (!context || context.jquery) { + return (context || root).find(selector) + + // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + } else { + return this.constructor(context).find(selector) + } + + // HANDLE: $(DOMElement) + } else if (selector.nodeType) { + this[0] = selector + this.length = 1 + return this + + // HANDLE: $(function) + // Shortcut for document ready + } else if (isFunction(selector)) { + return root.ready !== undefined + ? root.ready(selector) + + // Execute immediately if ready is not present + : selector(jQuery) + } + + return jQuery.makeArray(selector, this) + } + + // Give the init function the jQuery prototype for later instantiation + init.prototype = jQuery.fn + + // Initialize central reference + rootjQuery = jQuery(document) + + const rparentsprev = /^(?:parents|prev(?:Until|All))/ + + // Methods guaranteed to produce a unique set when starting from a unique set + const guaranteedUnique = { + children: true, + contents: true, + next: true, + prev: true + } + + jQuery.fn.extend({ + has: function (target) { + const targets = jQuery(target, this) + const l = targets.length + + return this.filter(function () { + let i = 0 + for (; i < l; i++) { + if (jQuery.contains(this, targets[i])) { + return true + } + } + }) + }, + + closest: function (selectors, context) { + let cur + let i = 0 + const l = this.length + const matched = [] + const targets = typeof selectors !== 'string' && jQuery(selectors) + + // Positional selectors never match, since there's no _selection_ context + if (!rneedsContext.test(selectors)) { + for (; i < l; i++) { + for (cur = this[i]; cur && cur !== context; cur = cur.parentNode) { + // Always skip document fragments + if (cur.nodeType < 11 && (targets + ? targets.index(cur) > -1 + + // Don't pass non-elements to Sizzle + : cur.nodeType === 1 && + jQuery.find.matchesSelector(cur, selectors))) { + matched.push(cur) + break + } + } + } + } + + return this.pushStack(matched.length > 1 ? jQuery.uniqueSort(matched) : matched) + }, + + // Determine the position of an element within the set + index: function (elem) { + // No argument, return index in parent + if (!elem) { + return (this[0] && this[0].parentNode) ? this.first().prevAll().length : -1 + } + + // Index in selector + if (typeof elem === 'string') { + return indexOf.call(jQuery(elem), this[0]) + } + + // Locate the position of the desired element + return indexOf.call(this, + + // If it receives a jQuery object, the first element is used + elem.jquery ? elem[0] : elem + ) + }, + + add: function (selector, context) { + return this.pushStack( + jQuery.uniqueSort( + jQuery.merge(this.get(), jQuery(selector, context)) + ) + ) + }, + + addBack: function (selector) { + return this.add(selector == null + ? this.prevObject : this.prevObject.filter(selector) + ) + } + }) + + function sibling (cur, dir) { + while ((cur = cur[dir]) && cur.nodeType !== 1) {} + return cur + } + + jQuery.each({ + parent: function (elem) { + const parent = elem.parentNode + return parent && parent.nodeType !== 11 ? parent : null + }, + parents: function (elem) { + return dir(elem, 'parentNode') + }, + parentsUntil: function (elem, i, until) { + return dir(elem, 'parentNode', until) + }, + next: function (elem) { + return sibling(elem, 'nextSibling') + }, + prev: function (elem) { + return sibling(elem, 'previousSibling') + }, + nextAll: function (elem) { + return dir(elem, 'nextSibling') + }, + prevAll: function (elem) { + return dir(elem, 'previousSibling') + }, + nextUntil: function (elem, i, until) { + return dir(elem, 'nextSibling', until) + }, + prevUntil: function (elem, i, until) { + return dir(elem, 'previousSibling', until) + }, + siblings: function (elem) { + return siblings((elem.parentNode || {}).firstChild, elem) + }, + children: function (elem) { + return siblings(elem.firstChild) + }, + contents: function (elem) { + if (typeof elem.contentDocument !== 'undefined') { + return elem.contentDocument + } + + // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only + // Treat the template element as a regular one in browsers that + // don't support it. + if (nodeName(elem, 'template')) { + elem = elem.content || elem + } + + return jQuery.merge([], elem.childNodes) + } + }, function (name, fn) { + jQuery.fn[name] = function (until, selector) { + let matched = jQuery.map(this, fn, until) + + if (name.slice(-5) !== 'Until') { + selector = until + } + + if (selector && typeof selector === 'string') { + matched = jQuery.filter(selector, matched) + } + + if (this.length > 1) { + // Remove duplicates + if (!guaranteedUnique[name]) { + jQuery.uniqueSort(matched) + } + + // Reverse order for parents* and prev-derivatives + if (rparentsprev.test(name)) { + matched.reverse() + } + } + + return this.pushStack(matched) + } + }) + const rnothtmlwhite = (/[^\x20\t\r\n\f]+/g) + + // Convert String-formatted options into Object-formatted ones + function createOptions (options) { + const object = {} + jQuery.each(options.match(rnothtmlwhite) || [], function (_, flag) { + object[flag] = true + }) + return object + } + + /* + * Create a callback list using the following parameters: + * + * options: an optional list of space-separated options that will change how + * the callback list behaves or a more traditional option object + * + * By default a callback list will act like an event callback list and can be + * "fired" multiple times. + * + * Possible options: + * + * once: will ensure the callback list can only be fired once (like a Deferred) + * + * memory: will keep track of previous values and will call any callback added + * after the list has been fired right away with the latest "memorized" + * values (like a Deferred) + * + * unique: will ensure a callback can only be added once (no duplicate in the list) + * + * stopOnFalse: interrupt callings when a callback returns false + * + */ + jQuery.Callbacks = function (options) { + // Convert options from String-formatted to Object-formatted if needed + // (we check in cache first) + options = typeof options === 'string' + ? createOptions(options) + : jQuery.extend({}, options) + + let // Flag to know if list is currently firing + firing + + // Last fire value for non-forgettable lists + let memory + + // Flag to know if list was already fired + let fired + + // Flag to prevent firing + let locked + + // Actual callback list + let list = [] + + // Queue of execution data for repeatable lists + let queue = [] + + // Index of currently firing callback (modified by add/remove as needed) + let firingIndex = -1 + + // Fire callbacks + const fire = function () { + // Enforce single-firing + locked = locked || options.once + + // Execute callbacks for all pending executions, + // respecting firingIndex overrides and runtime changes + fired = firing = true + for (; queue.length; firingIndex = -1) { + memory = queue.shift() + while (++firingIndex < list.length) { + // Run callback and check for early termination + if (list[firingIndex].apply(memory[0], memory[1]) === false && + options.stopOnFalse) { + // Jump to end and forget the data so .add doesn't re-fire + firingIndex = list.length + memory = false + } + } + } + + // Forget the data if we're done with it + if (!options.memory) { + memory = false + } + + firing = false + + // Clean up if we're done firing for good + if (locked) { + // Keep an empty list if we have data for future add calls + if (memory) { + list = [] + + // Otherwise, this object is spent + } else { + list = '' + } + } + } + + // Actual Callbacks object + var self = { + + // Add a callback or a collection of callbacks to the list + add: function () { + if (list) { + // If we have memory from a past run, we should fire after adding + if (memory && !firing) { + firingIndex = list.length - 1 + queue.push(memory) + } + + (function add (args) { + jQuery.each(args, function (_, arg) { + if (isFunction(arg)) { + if (!options.unique || !self.has(arg)) { + list.push(arg) + } + } else if (arg && arg.length && toType(arg) !== 'string') { + // Inspect recursively + add(arg) + } + }) + })(arguments) + + if (memory && !firing) { + fire() + } + } + return this + }, + + // Remove a callback from the list + remove: function () { + jQuery.each(arguments, function (_, arg) { + let index + while ((index = jQuery.inArray(arg, list, index)) > -1) { + list.splice(index, 1) + + // Handle firing indexes + if (index <= firingIndex) { + firingIndex-- + } + } + }) + return this + }, + + // Check if a given callback is in the list. + // If no argument is given, return whether or not list has callbacks attached. + has: function (fn) { + return fn + ? jQuery.inArray(fn, list) > -1 + : list.length > 0 + }, + + // Remove all callbacks from the list + empty: function () { + if (list) { + list = [] + } + return this + }, + + // Disable .fire and .add + // Abort any current/pending executions + // Clear all callbacks and values + disable: function () { + locked = queue = [] + list = memory = '' + return this + }, + disabled: function () { + return !list + }, + + // Disable .fire + // Also disable .add unless we have memory (since it would have no effect) + // Abort any pending executions + lock: function () { + locked = queue = [] + if (!memory && !firing) { + list = memory = '' + } + return this + }, + locked: function () { + return !!locked + }, + + // Call all callbacks with the given context and arguments + fireWith: function (context, args) { + if (!locked) { + args = args || [] + args = [context, args.slice ? args.slice() : args] + queue.push(args) + if (!firing) { + fire() + } + } + return this + }, + + // Call all the callbacks with the given arguments + fire: function () { + self.fireWith(this, arguments) + return this + }, + + // To know if the callbacks have already been called at least once + fired: function () { + return !!fired + } + } + + return self + } + + function Identity (v) { + return v + } + function Thrower (ex) { + throw ex + } + + function adoptValue (value, resolve, reject, noValue) { + let method + + try { + // Check for promise aspect first to privilege synchronous behavior + if (value && isFunction((method = value.promise))) { + method.call(value).done(resolve).fail(reject) + + // Other thenables + } else if (value && isFunction((method = value.then))) { + method.call(value, resolve, reject) + + // Other non-thenables + } else { + // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: + // * false: [ value ].slice( 0 ) => resolve( value ) + // * true: [ value ].slice( 1 ) => resolve() + resolve.apply(undefined, [value].slice(noValue)) + } + + // For Promises/A+, convert exceptions into rejections + // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in + // Deferred#then to conditionally suppress rejection. + } catch (value) { + // Support: Android 4.0 only + // Strict mode functions invoked without .call/.apply get global-object context + reject.apply(undefined, [value]) + } + } + + jQuery.extend({ + + Deferred: function (func) { + const tuples = [ + + // action, add listener, callbacks, + // ... .then handlers, argument index, [final state] + ['notify', 'progress', jQuery.Callbacks('memory'), + jQuery.Callbacks('memory'), 2], + ['resolve', 'done', jQuery.Callbacks('once memory'), + jQuery.Callbacks('once memory'), 0, 'resolved'], + ['reject', 'fail', jQuery.Callbacks('once memory'), + jQuery.Callbacks('once memory'), 1, 'rejected'] + ] + let state = 'pending' + var promise = { + state: function () { + return state + }, + always: function () { + deferred.done(arguments).fail(arguments) + return this + }, + catch: function (fn) { + return promise.then(null, fn) + }, + + // Keep pipe for back-compat + pipe: function (/* fnDone, fnFail, fnProgress */) { + let fns = arguments + + return jQuery.Deferred(function (newDefer) { + jQuery.each(tuples, function (i, tuple) { + // Map tuples (progress, done, fail) to arguments (done, fail, progress) + const fn = isFunction(fns[tuple[4]]) && fns[tuple[4]] + + // deferred.progress(function() { bind to newDefer or newDefer.notify }) + // deferred.done(function() { bind to newDefer or newDefer.resolve }) + // deferred.fail(function() { bind to newDefer or newDefer.reject }) + deferred[tuple[1]](function () { + const returned = fn && fn.apply(this, arguments) + if (returned && isFunction(returned.promise)) { + returned.promise() + .progress(newDefer.notify) + .done(newDefer.resolve) + .fail(newDefer.reject) + } else { + newDefer[tuple[0] + 'With']( + this, + fn ? [returned] : arguments + ) + } + }) + }) + fns = null + }).promise() + }, + then: function (onFulfilled, onRejected, onProgress) { + let maxDepth = 0 + function resolve (depth, deferred, handler, special) { + return function () { + let that = this + let args = arguments + const mightThrow = function () { + let returned, then + + // Support: Promises/A+ section 2.3.3.3.3 + // https://promisesaplus.com/#point-59 + // Ignore double-resolution attempts + if (depth < maxDepth) { + return + } + + returned = handler.apply(that, args) + + // Support: Promises/A+ section 2.3.1 + // https://promisesaplus.com/#point-48 + if (returned === deferred.promise()) { + throw new TypeError('Thenable self-resolution') + } + + // Support: Promises/A+ sections 2.3.3.1, 3.5 + // https://promisesaplus.com/#point-54 + // https://promisesaplus.com/#point-75 + // Retrieve `then` only once + then = returned && + + // Support: Promises/A+ section 2.3.4 + // https://promisesaplus.com/#point-64 + // Only check objects and functions for thenability + (typeof returned === 'object' || + typeof returned === 'function') && + returned.then + + // Handle a returned thenable + if (isFunction(then)) { + // Special processors (notify) just wait for resolution + if (special) { + then.call( + returned, + resolve(maxDepth, deferred, Identity, special), + resolve(maxDepth, deferred, Thrower, special) + ) + + // Normal processors (resolve) also hook into progress + } else { + // ...and disregard older resolution values + maxDepth++ + + then.call( + returned, + resolve(maxDepth, deferred, Identity, special), + resolve(maxDepth, deferred, Thrower, special), + resolve(maxDepth, deferred, Identity, + deferred.notifyWith) + ) + } + + // Handle all other returned values + } else { + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if (handler !== Identity) { + that = undefined + args = [returned] + } + + // Process the value(s) + // Default process is resolve + (special || deferred.resolveWith)(that, args) + } + } + + // Only normal processors (resolve) catch and reject exceptions + var process = special + ? mightThrow + : function () { + try { + mightThrow() + } catch (e) { + if (jQuery.Deferred.exceptionHook) { + jQuery.Deferred.exceptionHook(e, + process.stackTrace) + } + + // Support: Promises/A+ section 2.3.3.3.4.1 + // https://promisesaplus.com/#point-61 + // Ignore post-resolution exceptions + if (depth + 1 >= maxDepth) { + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if (handler !== Thrower) { + that = undefined + args = [e] + } + + deferred.rejectWith(that, args) + } + } + } + + // Support: Promises/A+ section 2.3.3.3.1 + // https://promisesaplus.com/#point-57 + // Re-resolve promises immediately to dodge false rejection from + // subsequent errors + if (depth) { + process() + } else { + // Call an optional hook to record the stack, in case of exception + // since it's otherwise lost when execution goes async + if (jQuery.Deferred.getStackHook) { + process.stackTrace = jQuery.Deferred.getStackHook() + } + window.setTimeout(process) + } + } + } + + return jQuery.Deferred(function (newDefer) { + // progress_handlers.add( ... ) + tuples[0][3].add( + resolve( + 0, + newDefer, + isFunction(onProgress) + ? onProgress + : Identity, + newDefer.notifyWith + ) + ) + + // fulfilled_handlers.add( ... ) + tuples[1][3].add( + resolve( + 0, + newDefer, + isFunction(onFulfilled) + ? onFulfilled + : Identity + ) + ) + + // rejected_handlers.add( ... ) + tuples[2][3].add( + resolve( + 0, + newDefer, + isFunction(onRejected) + ? onRejected + : Thrower + ) + ) + }).promise() + }, + + // Get a promise for this deferred + // If obj is provided, the promise aspect is added to the object + promise: function (obj) { + return obj != null ? jQuery.extend(obj, promise) : promise + } + } + var deferred = {} + + // Add list-specific methods + jQuery.each(tuples, function (i, tuple) { + const list = tuple[2] + const stateString = tuple[5] + + // promise.progress = list.add + // promise.done = list.add + // promise.fail = list.add + promise[tuple[1]] = list.add + + // Handle state + if (stateString) { + list.add( + function () { + // state = "resolved" (i.e., fulfilled) + // state = "rejected" + state = stateString + }, + + // rejected_callbacks.disable + // fulfilled_callbacks.disable + tuples[3 - i][2].disable, + + // rejected_handlers.disable + // fulfilled_handlers.disable + tuples[3 - i][3].disable, + + // progress_callbacks.lock + tuples[0][2].lock, + + // progress_handlers.lock + tuples[0][3].lock + ) + } + + // progress_handlers.fire + // fulfilled_handlers.fire + // rejected_handlers.fire + list.add(tuple[3].fire) + + // deferred.notify = function() { deferred.notifyWith(...) } + // deferred.resolve = function() { deferred.resolveWith(...) } + // deferred.reject = function() { deferred.rejectWith(...) } + deferred[tuple[0]] = function () { + deferred[tuple[0] + 'With'](this === deferred ? undefined : this, arguments) + return this + } + + // deferred.notifyWith = list.fireWith + // deferred.resolveWith = list.fireWith + // deferred.rejectWith = list.fireWith + deferred[tuple[0] + 'With'] = list.fireWith + }) + + // Make the deferred a promise + promise.promise(deferred) + + // Call given func if any + if (func) { + func.call(deferred, deferred) + } + + // All done! + return deferred + }, + + // Deferred helper + when: function (singleValue) { + let + + // count of uncompleted subordinates + remaining = arguments.length + + // count of unprocessed arguments + let i = remaining + + // subordinate fulfillment data + const resolveContexts = Array(i) + const resolveValues = slice.call(arguments) + + // the master Deferred + const master = jQuery.Deferred() + + // subordinate callback factory + const updateFunc = function (i) { + return function (value) { + resolveContexts[i] = this + resolveValues[i] = arguments.length > 1 ? slice.call(arguments) : value + if (!(--remaining)) { + master.resolveWith(resolveContexts, resolveValues) + } + } + } + + // Single- and empty arguments are adopted like Promise.resolve + if (remaining <= 1) { + adoptValue(singleValue, master.done(updateFunc(i)).resolve, master.reject, + !remaining) + + // Use .then() to unwrap secondary thenables (cf. gh-3000) + if (master.state() === 'pending' || + isFunction(resolveValues[i] && resolveValues[i].then)) { + return master.then() + } + } + + // Multiple arguments are aggregated like Promise.all array elements + while (i--) { + adoptValue(resolveValues[i], updateFunc(i), master.reject) + } + + return master.promise() + } + }) + + // These usually indicate a programmer mistake during development, + // warn about them ASAP rather than swallowing them by default. + const rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/ + + jQuery.Deferred.exceptionHook = function (error, stack) { + // Support: IE 8 - 9 only + // Console exists when dev tools are open, which can happen at any time + if (window.console && window.console.warn && error && rerrorNames.test(error.name)) { + window.console.warn('jQuery.Deferred exception: ' + error.message, error.stack, stack) + } + } + + jQuery.readyException = function (error) { + window.setTimeout(function () { + throw error + }) + } + + // The deferred used on DOM ready + const readyList = jQuery.Deferred() + + jQuery.fn.ready = function (fn) { + readyList + .then(fn) + + // Wrap jQuery.readyException in a function so that the lookup + // happens at the time of error handling instead of callback + // registration. + .catch(function (error) { + jQuery.readyException(error) + }) + + return this + } + + jQuery.extend({ + + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, + + // A counter to track how many items to wait for before + // the ready event fires. See #6781 + readyWait: 1, + + // Handle when the DOM is ready + ready: function (wait) { + // Abort if there are pending holds or we're already ready + if (wait === true ? --jQuery.readyWait : jQuery.isReady) { + return + } + + // Remember that the DOM is ready + jQuery.isReady = true + + // If a normal DOM Ready event fired, decrement, and wait if need be + if (wait !== true && --jQuery.readyWait > 0) { + return + } + + // If there are functions bound, to execute + readyList.resolveWith(document, [jQuery]) + } + }) + + jQuery.ready.then = readyList.then + + // The ready event handler and self cleanup method + function completed () { + document.removeEventListener('DOMContentLoaded', completed) + window.removeEventListener('load', completed) + jQuery.ready() + } + + // Catch cases where $(document).ready() is called + // after the browser event has already occurred. + // Support: IE <=9 - 10 only + // Older IE sometimes signals "interactive" too soon + if (document.readyState === 'complete' || + (document.readyState !== 'loading' && !document.documentElement.doScroll)) { + // Handle it asynchronously to allow scripts the opportunity to delay ready + window.setTimeout(jQuery.ready) + } else { + // Use the handy event callback + document.addEventListener('DOMContentLoaded', completed) + + // A fallback to window.onload, that will always work + window.addEventListener('load', completed) + } + + // Multifunctional method to get and set values of a collection + // The value/s can optionally be executed if it's a function + var access = function (elems, fn, key, value, chainable, emptyGet, raw) { + let i = 0 + const len = elems.length + let bulk = key == null + + // Sets many values + if (toType(key) === 'object') { + chainable = true + for (i in key) { + access(elems, fn, i, key[i], true, emptyGet, raw) + } + + // Sets one value + } else if (value !== undefined) { + chainable = true + + if (!isFunction(value)) { + raw = true + } + + if (bulk) { + // Bulk operations run against the entire set + if (raw) { + fn.call(elems, value) + fn = null + + // ...except when executing function values + } else { + bulk = fn + fn = function (elem, key, value) { + return bulk.call(jQuery(elem), value) + } + } + } + + if (fn) { + for (; i < len; i++) { + fn( + elems[i], key, raw + ? value + : value.call(elems[i], i, fn(elems[i], key)) + ) + } + } + } + + if (chainable) { + return elems + } + + // Gets + if (bulk) { + return fn.call(elems) + } + + return len ? fn(elems[0], key) : emptyGet + } + + // Matches dashed string for camelizing + const rmsPrefix = /^-ms-/ + const rdashAlpha = /-([a-z])/g + + // Used by camelCase as callback to replace() + function fcamelCase (all, letter) { + return letter.toUpperCase() + } + + // Convert dashed to camelCase; used by the css and data modules + // Support: IE <=9 - 11, Edge 12 - 15 + // Microsoft forgot to hump their vendor prefix (#9572) + function camelCase (string) { + return string.replace(rmsPrefix, 'ms-').replace(rdashAlpha, fcamelCase) + } + const acceptData = function (owner) { + // Accepts only: + // - Node + // - Node.ELEMENT_NODE + // - Node.DOCUMENT_NODE + // - Object + // - Any + return owner.nodeType === 1 || owner.nodeType === 9 || !(+owner.nodeType) + } + + function Data () { + this.expando = jQuery.expando + Data.uid++ + } + + Data.uid = 1 + + Data.prototype = { + + cache: function (owner) { + // Check if the owner object already has a cache + let value = owner[this.expando] + + // If not, create one + if (!value) { + value = {} + + // We can accept data for non-element nodes in modern browsers, + // but we should not, see #8335. + // Always return an empty object. + if (acceptData(owner)) { + // If it is a node unlikely to be stringify-ed or looped over + // use plain assignment + if (owner.nodeType) { + owner[this.expando] = value + + // Otherwise secure it in a non-enumerable property + // configurable must be true to allow the property to be + // deleted when data is removed + } else { + Object.defineProperty(owner, this.expando, { + value: value, + configurable: true + }) + } + } + } + + return value + }, + set: function (owner, data, value) { + let prop + const cache = this.cache(owner) + + // Handle: [ owner, key, value ] args + // Always use camelCase key (gh-2257) + if (typeof data === 'string') { + cache[camelCase(data)] = value + + // Handle: [ owner, { properties } ] args + } else { + // Copy the properties one-by-one to the cache object + for (prop in data) { + cache[camelCase(prop)] = data[prop] + } + } + return cache + }, + get: function (owner, key) { + return key === undefined + ? this.cache(owner) + + // Always use camelCase key (gh-2257) + : owner[this.expando] && owner[this.expando][camelCase(key)] + }, + access: function (owner, key, value) { + // In cases where either: + // + // 1. No key was specified + // 2. A string key was specified, but no value provided + // + // Take the "read" path and allow the get method to determine + // which value to return, respectively either: + // + // 1. The entire cache object + // 2. The data stored at the key + // + if (key === undefined || + ((key && typeof key === 'string') && value === undefined)) { + return this.get(owner, key) + } + + // When the key is not a string, or both a key and value + // are specified, set or extend (existing objects) with either: + // + // 1. An object of properties + // 2. A key and value + // + this.set(owner, key, value) + + // Since the "set" path can have two possible entry points + // return the expected data based on which path was taken[*] + return value !== undefined ? value : key + }, + remove: function (owner, key) { + let i + const cache = owner[this.expando] + + if (cache === undefined) { + return + } + + if (key !== undefined) { + // Support array or space separated string of keys + if (Array.isArray(key)) { + // If key is an array of keys... + // We always set camelCase keys, so remove that. + key = key.map(camelCase) + } else { + key = camelCase(key) + + // If a key with the spaces exists, use it. + // Otherwise, create an array by matching non-whitespace + key = key in cache + ? [key] + : (key.match(rnothtmlwhite) || []) + } + + i = key.length + + while (i--) { + delete cache[key[i]] + } + } + + // Remove the expando if there's no more data + if (key === undefined || jQuery.isEmptyObject(cache)) { + // Support: Chrome <=35 - 45 + // Webkit & Blink performance suffers when deleting properties + // from DOM nodes, so set to undefined instead + // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) + if (owner.nodeType) { + owner[this.expando] = undefined + } else { + delete owner[this.expando] + } + } + }, + hasData: function (owner) { + const cache = owner[this.expando] + return cache !== undefined && !jQuery.isEmptyObject(cache) + } + } + const dataPriv = new Data() + + const dataUser = new Data() + + // Implementation Summary + // + // 1. Enforce API surface and semantic compatibility with 1.9.x branch + // 2. Improve the module's maintainability by reducing the storage + // paths to a single mechanism. + // 3. Use the same single mechanism to support "private" and "user" data. + // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) + // 5. Avoid exposing implementation details on user objects (eg. expando properties) + // 6. Provide a clear path for implementation upgrade to WeakMap in 2014 + + const rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/ + const rmultiDash = /[A-Z]/g + + function getData (data) { + if (data === 'true') { + return true + } + + if (data === 'false') { + return false + } + + if (data === 'null') { + return null + } + + // Only convert to a number if it doesn't change the string + if (data === +data + '') { + return +data + } + + if (rbrace.test(data)) { + return JSON.parse(data) + } + + return data + } + + function dataAttr (elem, key, data) { + let name + + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if (data === undefined && elem.nodeType === 1) { + name = 'data-' + key.replace(rmultiDash, '-$&').toLowerCase() + data = elem.getAttribute(name) + + if (typeof data === 'string') { + try { + data = getData(data) + } catch (e) {} + + // Make sure we set the data so it isn't changed later + dataUser.set(elem, key, data) + } else { + data = undefined + } + } + return data + } + + jQuery.extend({ + hasData: function (elem) { + return dataUser.hasData(elem) || dataPriv.hasData(elem) + }, + + data: function (elem, name, data) { + return dataUser.access(elem, name, data) + }, + + removeData: function (elem, name) { + dataUser.remove(elem, name) + }, + + // TODO: Now that all calls to _data and _removeData have been replaced + // with direct calls to dataPriv methods, these can be deprecated. + _data: function (elem, name, data) { + return dataPriv.access(elem, name, data) + }, + + _removeData: function (elem, name) { + dataPriv.remove(elem, name) + } + }) + + jQuery.fn.extend({ + data: function (key, value) { + let i; let name; let data + const elem = this[0] + const attrs = elem && elem.attributes + + // Gets all values + if (key === undefined) { + if (this.length) { + data = dataUser.get(elem) + + if (elem.nodeType === 1 && !dataPriv.get(elem, 'hasDataAttrs')) { + i = attrs.length + while (i--) { + // Support: IE 11 only + // The attrs elements can be null (#14894) + if (attrs[i]) { + name = attrs[i].name + if (name.indexOf('data-') === 0) { + name = camelCase(name.slice(5)) + dataAttr(elem, name, data[name]) + } + } + } + dataPriv.set(elem, 'hasDataAttrs', true) + } + } + + return data + } + + // Sets multiple values + if (typeof key === 'object') { + return this.each(function () { + dataUser.set(this, key) + }) + } + + return access(this, function (value) { + let data + + // The calling jQuery object (element matches) is not empty + // (and therefore has an element appears at this[ 0 ]) and the + // `value` parameter was not undefined. An empty jQuery object + // will result in `undefined` for elem = this[ 0 ] which will + // throw an exception if an attempt to read a data cache is made. + if (elem && value === undefined) { + // Attempt to get data from the cache + // The key will always be camelCased in Data + data = dataUser.get(elem, key) + if (data !== undefined) { + return data + } + + // Attempt to "discover" the data in + // HTML5 custom data-* attrs + data = dataAttr(elem, key) + if (data !== undefined) { + return data + } + + // We tried really hard, but the data doesn't exist. + return + } + + // Set the data... + this.each(function () { + // We always store the camelCased key + dataUser.set(this, key, value) + }) + }, null, value, arguments.length > 1, null, true) + }, + + removeData: function (key) { + return this.each(function () { + dataUser.remove(this, key) + }) + } + }) + + jQuery.extend({ + queue: function (elem, type, data) { + let queue + + if (elem) { + type = (type || 'fx') + 'queue' + queue = dataPriv.get(elem, type) + + // Speed up dequeue by getting out quickly if this is just a lookup + if (data) { + if (!queue || Array.isArray(data)) { + queue = dataPriv.access(elem, type, jQuery.makeArray(data)) + } else { + queue.push(data) + } + } + return queue || [] + } + }, + + dequeue: function (elem, type) { + type = type || 'fx' + + const queue = jQuery.queue(elem, type) + let startLength = queue.length + let fn = queue.shift() + const hooks = jQuery._queueHooks(elem, type) + const next = function () { + jQuery.dequeue(elem, type) + } + + // If the fx queue is dequeued, always remove the progress sentinel + if (fn === 'inprogress') { + fn = queue.shift() + startLength-- + } + + if (fn) { + // Add a progress sentinel to prevent the fx queue from being + // automatically dequeued + if (type === 'fx') { + queue.unshift('inprogress') + } + + // Clear up the last queue stop function + delete hooks.stop + fn.call(elem, next, hooks) + } + + if (!startLength && hooks) { + hooks.empty.fire() + } + }, + + // Not public - generate a queueHooks object, or return the current one + _queueHooks: function (elem, type) { + const key = type + 'queueHooks' + return dataPriv.get(elem, key) || dataPriv.access(elem, key, { + empty: jQuery.Callbacks('once memory').add(function () { + dataPriv.remove(elem, [type + 'queue', key]) + }) + }) + } + }) + + jQuery.fn.extend({ + queue: function (type, data) { + let setter = 2 + + if (typeof type !== 'string') { + data = type + type = 'fx' + setter-- + } + + if (arguments.length < setter) { + return jQuery.queue(this[0], type) + } + + return data === undefined + ? this + : this.each(function () { + const queue = jQuery.queue(this, type, data) + + // Ensure a hooks for this queue + jQuery._queueHooks(this, type) + + if (type === 'fx' && queue[0] !== 'inprogress') { + jQuery.dequeue(this, type) + } + }) + }, + dequeue: function (type) { + return this.each(function () { + jQuery.dequeue(this, type) + }) + }, + clearQueue: function (type) { + return this.queue(type || 'fx', []) + }, + + // Get a promise resolved when queues of a certain type + // are emptied (fx is the type by default) + promise: function (type, obj) { + let tmp + let count = 1 + const defer = jQuery.Deferred() + const elements = this + let i = this.length + const resolve = function () { + if (!(--count)) { + defer.resolveWith(elements, [elements]) + } + } + + if (typeof type !== 'string') { + obj = type + type = undefined + } + type = type || 'fx' + + while (i--) { + tmp = dataPriv.get(elements[i], type + 'queueHooks') + if (tmp && tmp.empty) { + count++ + tmp.empty.add(resolve) + } + } + resolve() + return defer.promise(obj) + } + }) + const pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source + + const rcssNum = new RegExp('^(?:([+-])=|)(' + pnum + ')([a-z%]*)$', 'i') + + const cssExpand = ['Top', 'Right', 'Bottom', 'Left'] + + const documentElement = document.documentElement + + let isAttached = function (elem) { + return jQuery.contains(elem.ownerDocument, elem) + } + const composed = { composed: true } + + // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only + // Check attachment across shadow DOM boundaries when possible (gh-3504) + // Support: iOS 10.0-10.2 only + // Early iOS 10 versions support `attachShadow` but not `getRootNode`, + // leading to errors. We need to check for `getRootNode`. + if (documentElement.getRootNode) { + isAttached = function (elem) { + return jQuery.contains(elem.ownerDocument, elem) || + elem.getRootNode(composed) === elem.ownerDocument + } + } + const isHiddenWithinTree = function (elem, el) { + // isHiddenWithinTree might be called from jQuery#filter function; + // in that case, element will be second argument + elem = el || elem + + // Inline style trumps all + return elem.style.display === 'none' || + elem.style.display === '' && + + // Otherwise, check computed style + // Support: Firefox <=43 - 45 + // Disconnected elements can have computed display: none, so first confirm that elem is + // in the document. + isAttached(elem) && + + jQuery.css(elem, 'display') === 'none' + } + + const swap = function (elem, options, callback, args) { + let ret; let name + const old = {} + + // Remember the old values, and insert the new ones + for (name in options) { + old[name] = elem.style[name] + elem.style[name] = options[name] + } + + ret = callback.apply(elem, args || []) + + // Revert the old values + for (name in options) { + elem.style[name] = old[name] + } + + return ret + } + + function adjustCSS (elem, prop, valueParts, tween) { + let adjusted; let scale + let maxIterations = 20 + const currentValue = tween + ? function () { + return tween.cur() + } + : function () { + return jQuery.css(elem, prop, '') + } + let initial = currentValue() + let unit = valueParts && valueParts[3] || (jQuery.cssNumber[prop] ? '' : 'px') + + // Starting value computation is required for potential unit mismatches + let initialInUnit = elem.nodeType && + (jQuery.cssNumber[prop] || unit !== 'px' && +initial) && + rcssNum.exec(jQuery.css(elem, prop)) + + if (initialInUnit && initialInUnit[3] !== unit) { + // Support: Firefox <=54 + // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) + initial = initial / 2 + + // Trust units reported by jQuery.css + unit = unit || initialInUnit[3] + + // Iteratively approximate from a nonzero starting point + initialInUnit = +initial || 1 + + while (maxIterations--) { + // Evaluate and update our best guess (doubling guesses that zero out). + // Finish if the scale equals or crosses 1 (making the old*new product non-positive). + jQuery.style(elem, prop, initialInUnit + unit) + if ((1 - scale) * (1 - (scale = currentValue() / initial || 0.5)) <= 0) { + maxIterations = 0 + } + initialInUnit = initialInUnit / scale + } + + initialInUnit = initialInUnit * 2 + jQuery.style(elem, prop, initialInUnit + unit) + + // Make sure we update the tween properties later on + valueParts = valueParts || [] + } + + if (valueParts) { + initialInUnit = +initialInUnit || +initial || 0 + + // Apply relative offset (+=/-=) if specified + adjusted = valueParts[1] + ? initialInUnit + (valueParts[1] + 1) * valueParts[2] + : +valueParts[2] + if (tween) { + tween.unit = unit + tween.start = initialInUnit + tween.end = adjusted + } + } + return adjusted + } + + const defaultDisplayMap = {} + + function getDefaultDisplay (elem) { + let temp + const doc = elem.ownerDocument + const nodeName = elem.nodeName + let display = defaultDisplayMap[nodeName] + + if (display) { + return display + } + + temp = doc.body.appendChild(doc.createElement(nodeName)) + display = jQuery.css(temp, 'display') + + temp.parentNode.removeChild(temp) + + if (display === 'none') { + display = 'block' + } + defaultDisplayMap[nodeName] = display + + return display + } + + function showHide (elements, show) { + let display; let elem + const values = [] + let index = 0 + const length = elements.length + + // Determine new display value for elements that need to change + for (; index < length; index++) { + elem = elements[index] + if (!elem.style) { + continue + } + + display = elem.style.display + if (show) { + // Since we force visibility upon cascade-hidden elements, an immediate (and slow) + // check is required in this first loop unless we have a nonempty display value (either + // inline or about-to-be-restored) + if (display === 'none') { + values[index] = dataPriv.get(elem, 'display') || null + if (!values[index]) { + elem.style.display = '' + } + } + if (elem.style.display === '' && isHiddenWithinTree(elem)) { + values[index] = getDefaultDisplay(elem) + } + } else { + if (display !== 'none') { + values[index] = 'none' + + // Remember what we're overwriting + dataPriv.set(elem, 'display', display) + } + } + } + + // Set the display of the elements in a second loop to avoid constant reflow + for (index = 0; index < length; index++) { + if (values[index] != null) { + elements[index].style.display = values[index] + } + } + + return elements + } + + jQuery.fn.extend({ + show: function () { + return showHide(this, true) + }, + hide: function () { + return showHide(this) + }, + toggle: function (state) { + if (typeof state === 'boolean') { + return state ? this.show() : this.hide() + } + + return this.each(function () { + if (isHiddenWithinTree(this)) { + jQuery(this).show() + } else { + jQuery(this).hide() + } + }) + } + }) + const rcheckableType = (/^(?:checkbox|radio)$/i) + + const rtagName = (/<([a-z][^\/\0>\x20\t\r\n\f]*)/i) + + const rscriptType = (/^$|^module$|\/(?:java|ecma)script/i) + + // We have to close these tags to support XHTML (#13200) + const wrapMap = { + + // Support: IE <=9 only + option: [1, "'], + + // XHTML parsers do not magically insert elements in the + // same way that tag soup parsers do. So we cannot shorten + // this by omitting or other required elements. + thead: [1, '', '
'], + col: [2, '', '
'], + tr: [2, '', '
'], + td: [3, '', '
'], + + _default: [0, '', ''] + } + + // Support: IE <=9 only + wrapMap.optgroup = wrapMap.option + + wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead + wrapMap.th = wrapMap.td + + function getAll (context, tag) { + // Support: IE <=9 - 11 only + // Use typeof to avoid zero-argument method invocation on host objects (#15151) + let ret + + if (typeof context.getElementsByTagName !== 'undefined') { + ret = context.getElementsByTagName(tag || '*') + } else if (typeof context.querySelectorAll !== 'undefined') { + ret = context.querySelectorAll(tag || '*') + } else { + ret = [] + } + + if (tag === undefined || tag && nodeName(context, tag)) { + return jQuery.merge([context], ret) + } + + return ret + } + + // Mark scripts as having already been evaluated + function setGlobalEval (elems, refElements) { + let i = 0 + const l = elems.length + + for (; i < l; i++) { + dataPriv.set( + elems[i], + 'globalEval', + !refElements || dataPriv.get(refElements[i], 'globalEval') + ) + } + } + + const rhtml = /<|&#?\w+;/ + + function buildFragment (elems, context, scripts, selection, ignored) { + let elem; let tmp; let tag; let wrap; let attached; let j + const fragment = context.createDocumentFragment() + const nodes = [] + let i = 0 + const l = elems.length + + for (; i < l; i++) { + elem = elems[i] + + if (elem || elem === 0) { + // Add nodes directly + if (toType(elem) === 'object') { + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge(nodes, elem.nodeType ? [elem] : elem) + + // Convert non-html into a text node + } else if (!rhtml.test(elem)) { + nodes.push(context.createTextNode(elem)) + + // Convert html into DOM nodes + } else { + tmp = tmp || fragment.appendChild(context.createElement('div')) + + // Deserialize a standard representation + tag = (rtagName.exec(elem) || ['', ''])[1].toLowerCase() + wrap = wrapMap[tag] || wrapMap._default + tmp.innerHTML = wrap[1] + jQuery.htmlPrefilter(elem) + wrap[2] + + // Descend through wrappers to the right content + j = wrap[0] + while (j--) { + tmp = tmp.lastChild + } + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge(nodes, tmp.childNodes) + + // Remember the top-level container + tmp = fragment.firstChild + + // Ensure the created nodes are orphaned (#12392) + tmp.textContent = '' + } + } + } + + // Remove wrapper from fragment + fragment.textContent = '' + + i = 0 + while ((elem = nodes[i++])) { + // Skip elements already in the context collection (trac-4087) + if (selection && jQuery.inArray(elem, selection) > -1) { + if (ignored) { + ignored.push(elem) + } + continue + } + + attached = isAttached(elem) + + // Append to fragment + tmp = getAll(fragment.appendChild(elem), 'script') + + // Preserve script evaluation history + if (attached) { + setGlobalEval(tmp) + } + + // Capture executables + if (scripts) { + j = 0 + while ((elem = tmp[j++])) { + if (rscriptType.test(elem.type || '')) { + scripts.push(elem) + } + } + } + } + + return fragment + } + + (function () { + const fragment = document.createDocumentFragment() + const div = fragment.appendChild(document.createElement('div')) + const input = document.createElement('input') + + // Support: Android 4.0 - 4.3 only + // Check state lost if the name is set (#11217) + // Support: Windows Web Apps (WWA) + // `name` and `type` must use .setAttribute for WWA (#14901) + input.setAttribute('type', 'radio') + input.setAttribute('checked', 'checked') + input.setAttribute('name', 't') + + div.appendChild(input) + + // Support: Android <=4.1 only + // Older WebKit doesn't clone checked state correctly in fragments + support.checkClone = div.cloneNode(true).cloneNode(true).lastChild.checked + + // Support: IE <=11 only + // Make sure textarea (and checkbox) defaultValue is properly cloned + div.innerHTML = '' + support.noCloneChecked = !!div.cloneNode(true).lastChild.defaultValue + })() + + const + rkeyEvent = /^key/ + const rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/ + const rtypenamespace = /^([^.]*)(?:\.(.+)|)/ + + function returnTrue () { + return true + } + + function returnFalse () { + return false + } + + // Support: IE <=9 - 11+ + // focus() and blur() are asynchronous, except when they are no-op. + // So expect focus to be synchronous when the element is already active, + // and blur to be synchronous when the element is not already active. + // (focus and blur are always synchronous in other supported browsers, + // this just defines when we can count on it). + function expectSync (elem, type) { + return (elem === safeActiveElement()) === (type === 'focus') + } + + // Support: IE <=9 only + // Accessing document.activeElement can throw unexpectedly + // https://bugs.jquery.com/ticket/13393 + function safeActiveElement () { + try { + return document.activeElement + } catch (err) { } + } + + function on (elem, types, selector, data, fn, one) { + let origFn, type + + // Types can be a map of types/handlers + if (typeof types === 'object') { + // ( types-Object, selector, data ) + if (typeof selector !== 'string') { + // ( types-Object, data ) + data = data || selector + selector = undefined + } + for (type in types) { + on(elem, type, selector, data, types[type], one) + } + return elem + } + + if (data == null && fn == null) { + // ( types, fn ) + fn = selector + data = selector = undefined + } else if (fn == null) { + if (typeof selector === 'string') { + // ( types, selector, fn ) + fn = data + data = undefined + } else { + // ( types, data, fn ) + fn = data + data = selector + selector = undefined + } + } + if (fn === false) { + fn = returnFalse + } else if (!fn) { + return elem + } + + if (one === 1) { + origFn = fn + fn = function (event) { + // Can use an empty set, since event contains the info + jQuery().off(event) + return origFn.apply(this, arguments) + } + + // Use same guid so caller can remove using origFn + fn.guid = origFn.guid || (origFn.guid = jQuery.guid++) + } + return elem.each(function () { + jQuery.event.add(this, types, fn, data, selector) + }) + } + + /* + * Helper functions for managing events -- not part of the public interface. + * Props to Dean Edwards' addEvent library for many of the ideas. + */ + jQuery.event = { + + global: {}, + + add: function (elem, types, handler, data, selector) { + let handleObjIn; let eventHandle; let tmp + let events; let t; let handleObj + let special; let handlers; let type; let namespaces; let origType + const elemData = dataPriv.get(elem) + + // Don't attach events to noData or text/comment nodes (but allow plain objects) + if (!elemData) { + return + } + + // Caller can pass in an object of custom data in lieu of the handler + if (handler.handler) { + handleObjIn = handler + handler = handleObjIn.handler + selector = handleObjIn.selector + } + + // Ensure that invalid selectors throw exceptions at attach time + // Evaluate against documentElement in case elem is a non-element node (e.g., document) + if (selector) { + jQuery.find.matchesSelector(documentElement, selector) + } + + // Make sure that the handler has a unique ID, used to find/remove it later + if (!handler.guid) { + handler.guid = jQuery.guid++ + } + + // Init the element's event structure and main handler, if this is the first + if (!(events = elemData.events)) { + events = elemData.events = {} + } + if (!(eventHandle = elemData.handle)) { + eventHandle = elemData.handle = function (e) { + // Discard the second event of a jQuery.event.trigger() and + // when an event is called after a page has unloaded + return typeof jQuery !== 'undefined' && jQuery.event.triggered !== e.type + ? jQuery.event.dispatch.apply(elem, arguments) : undefined + } + } + + // Handle multiple events separated by a space + types = (types || '').match(rnothtmlwhite) || [''] + t = types.length + while (t--) { + tmp = rtypenamespace.exec(types[t]) || [] + type = origType = tmp[1] + namespaces = (tmp[2] || '').split('.').sort() + + // There *must* be a type, no attaching namespace-only handlers + if (!type) { + continue + } + + // If event changes its type, use the special event handlers for the changed type + special = jQuery.event.special[type] || {} + + // If selector defined, determine special event api type, otherwise given type + type = (selector ? special.delegateType : special.bindType) || type + + // Update special based on newly reset type + special = jQuery.event.special[type] || {} + + // handleObj is passed to all event handlers + handleObj = jQuery.extend({ + type: type, + origType: origType, + data: data, + handler: handler, + guid: handler.guid, + selector: selector, + needsContext: selector && jQuery.expr.match.needsContext.test(selector), + namespace: namespaces.join('.') + }, handleObjIn) + + // Init the event handler queue if we're the first + if (!(handlers = events[type])) { + handlers = events[type] = [] + handlers.delegateCount = 0 + + // Only use addEventListener if the special events handler returns false + if (!special.setup || + special.setup.call(elem, data, namespaces, eventHandle) === false) { + if (elem.addEventListener) { + elem.addEventListener(type, eventHandle) + } + } + } + + if (special.add) { + special.add.call(elem, handleObj) + + if (!handleObj.handler.guid) { + handleObj.handler.guid = handler.guid + } + } + + // Add to the element's handler list, delegates in front + if (selector) { + handlers.splice(handlers.delegateCount++, 0, handleObj) + } else { + handlers.push(handleObj) + } + + // Keep track of which events have ever been used, for event optimization + jQuery.event.global[type] = true + } + }, + + // Detach an event or set of events from an element + remove: function (elem, types, handler, selector, mappedTypes) { + let j; let origCount; let tmp + let events; let t; let handleObj + let special; let handlers; let type; let namespaces; let origType + const elemData = dataPriv.hasData(elem) && dataPriv.get(elem) + + if (!elemData || !(events = elemData.events)) { + return + } + + // Once for each type.namespace in types; type may be omitted + types = (types || '').match(rnothtmlwhite) || [''] + t = types.length + while (t--) { + tmp = rtypenamespace.exec(types[t]) || [] + type = origType = tmp[1] + namespaces = (tmp[2] || '').split('.').sort() + + // Unbind all events (on this namespace, if provided) for the element + if (!type) { + for (type in events) { + jQuery.event.remove(elem, type + types[t], handler, selector, true) + } + continue + } + + special = jQuery.event.special[type] || {} + type = (selector ? special.delegateType : special.bindType) || type + handlers = events[type] || [] + tmp = tmp[2] && + new RegExp('(^|\\.)' + namespaces.join('\\.(?:.*\\.|)') + '(\\.|$)') + + // Remove matching events + origCount = j = handlers.length + while (j--) { + handleObj = handlers[j] + + if ((mappedTypes || origType === handleObj.origType) && + (!handler || handler.guid === handleObj.guid) && + (!tmp || tmp.test(handleObj.namespace)) && + (!selector || selector === handleObj.selector || + selector === '**' && handleObj.selector)) { + handlers.splice(j, 1) + + if (handleObj.selector) { + handlers.delegateCount-- + } + if (special.remove) { + special.remove.call(elem, handleObj) + } + } + } + + // Remove generic event handler if we removed something and no more handlers exist + // (avoids potential for endless recursion during removal of special event handlers) + if (origCount && !handlers.length) { + if (!special.teardown || + special.teardown.call(elem, namespaces, elemData.handle) === false) { + jQuery.removeEvent(elem, type, elemData.handle) + } + + delete events[type] + } + } + + // Remove data and the expando if it's no longer used + if (jQuery.isEmptyObject(events)) { + dataPriv.remove(elem, 'handle events') + } + }, + + dispatch: function (nativeEvent) { + // Make a writable jQuery.Event from the native event object + const event = jQuery.event.fix(nativeEvent) + + let i; let j; let ret; let matched; let handleObj; let handlerQueue + const args = new Array(arguments.length) + const handlers = (dataPriv.get(this, 'events') || {})[event.type] || [] + const special = jQuery.event.special[event.type] || {} + + // Use the fix-ed jQuery.Event rather than the (read-only) native event + args[0] = event + + for (i = 1; i < arguments.length; i++) { + args[i] = arguments[i] + } + + event.delegateTarget = this + + // Call the preDispatch hook for the mapped type, and let it bail if desired + if (special.preDispatch && special.preDispatch.call(this, event) === false) { + return + } + + // Determine handlers + handlerQueue = jQuery.event.handlers.call(this, event, handlers) + + // Run delegates first; they may want to stop propagation beneath us + i = 0 + while ((matched = handlerQueue[i++]) && !event.isPropagationStopped()) { + event.currentTarget = matched.elem + + j = 0 + while ((handleObj = matched.handlers[j++]) && + !event.isImmediatePropagationStopped()) { + // If the event is namespaced, then each handler is only invoked if it is + // specially universal or its namespaces are a superset of the event's. + if (!event.rnamespace || handleObj.namespace === false || + event.rnamespace.test(handleObj.namespace)) { + event.handleObj = handleObj + event.data = handleObj.data + + ret = ((jQuery.event.special[handleObj.origType] || {}).handle || + handleObj.handler).apply(matched.elem, args) + + if (ret !== undefined) { + if ((event.result = ret) === false) { + event.preventDefault() + event.stopPropagation() + } + } + } + } + } + + // Call the postDispatch hook for the mapped type + if (special.postDispatch) { + special.postDispatch.call(this, event) + } + + return event.result + }, + + handlers: function (event, handlers) { + let i; let handleObj; let sel; let matchedHandlers; let matchedSelectors + const handlerQueue = [] + const delegateCount = handlers.delegateCount + let cur = event.target + + // Find delegate handlers + if (delegateCount && + + // Support: IE <=9 + // Black-hole SVG instance trees (trac-13180) + cur.nodeType && + + // Support: Firefox <=42 + // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) + // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click + // Support: IE 11 only + // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) + !(event.type === 'click' && event.button >= 1)) { + for (; cur !== this; cur = cur.parentNode || this) { + // Don't check non-elements (#13208) + // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) + if (cur.nodeType === 1 && !(event.type === 'click' && cur.disabled === true)) { + matchedHandlers = [] + matchedSelectors = {} + for (i = 0; i < delegateCount; i++) { + handleObj = handlers[i] + + // Don't conflict with Object.prototype properties (#13203) + sel = handleObj.selector + ' ' + + if (matchedSelectors[sel] === undefined) { + matchedSelectors[sel] = handleObj.needsContext + ? jQuery(sel, this).index(cur) > -1 + : jQuery.find(sel, this, null, [cur]).length + } + if (matchedSelectors[sel]) { + matchedHandlers.push(handleObj) + } + } + if (matchedHandlers.length) { + handlerQueue.push({ elem: cur, handlers: matchedHandlers }) + } + } + } + } + + // Add the remaining (directly-bound) handlers + cur = this + if (delegateCount < handlers.length) { + handlerQueue.push({ elem: cur, handlers: handlers.slice(delegateCount) }) + } + + return handlerQueue + }, + + addProp: function (name, hook) { + Object.defineProperty(jQuery.Event.prototype, name, { + enumerable: true, + configurable: true, + + get: isFunction(hook) + ? function () { + if (this.originalEvent) { + return hook(this.originalEvent) + } + } + : function () { + if (this.originalEvent) { + return this.originalEvent[name] + } + }, + + set: function (value) { + Object.defineProperty(this, name, { + enumerable: true, + configurable: true, + writable: true, + value: value + }) + } + }) + }, + + fix: function (originalEvent) { + return originalEvent[jQuery.expando] + ? originalEvent + : new jQuery.Event(originalEvent) + }, + + special: { + load: { + + // Prevent triggered image.load events from bubbling to window.load + noBubble: true + }, + click: { + + // Utilize native event to ensure correct state for checkable inputs + setup: function (data) { + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + const el = this || data + + // Claim the first handler + if (rcheckableType.test(el.type) && + el.click && nodeName(el, 'input')) { + // dataPriv.set( el, "click", ... ) + leverageNative(el, 'click', returnTrue) + } + + // Return false to allow normal processing in the caller + return false + }, + trigger: function (data) { + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + const el = this || data + + // Force setup before triggering a click + if (rcheckableType.test(el.type) && + el.click && nodeName(el, 'input')) { + leverageNative(el, 'click') + } + + // Return non-false to allow normal event-path propagation + return true + }, + + // For cross-browser consistency, suppress native .click() on links + // Also prevent it if we're currently inside a leveraged native-event stack + _default: function (event) { + const target = event.target + return rcheckableType.test(target.type) && + target.click && nodeName(target, 'input') && + dataPriv.get(target, 'click') || + nodeName(target, 'a') + } + }, + + beforeunload: { + postDispatch: function (event) { + // Support: Firefox 20+ + // Firefox doesn't alert if the returnValue field is not set. + if (event.result !== undefined && event.originalEvent) { + event.originalEvent.returnValue = event.result + } + } + } + } + } + + // Ensure the presence of an event listener that handles manually-triggered + // synthetic events by interrupting progress until reinvoked in response to + // *native* events that it fires directly, ensuring that state changes have + // already occurred before other listeners are invoked. + function leverageNative (el, type, expectSync) { + // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add + if (!expectSync) { + if (dataPriv.get(el, type) === undefined) { + jQuery.event.add(el, type, returnTrue) + } + return + } + + // Register the controller as a special universal handler for all event namespaces + dataPriv.set(el, type, false) + jQuery.event.add(el, type, { + namespace: false, + handler: function (event) { + let notAsync; let result + let saved = dataPriv.get(this, type) + + if ((event.isTrigger & 1) && this[type]) { + // Interrupt processing of the outer synthetic .trigger()ed event + // Saved data should be false in such cases, but might be a leftover capture object + // from an async native handler (gh-4350) + if (!saved.length) { + // Store arguments for use when handling the inner native event + // There will always be at least one argument (an event object), so this array + // will not be confused with a leftover capture object. + saved = slice.call(arguments) + dataPriv.set(this, type, saved) + + // Trigger the native event and capture its result + // Support: IE <=9 - 11+ + // focus() and blur() are asynchronous + notAsync = expectSync(this, type) + this[type]() + result = dataPriv.get(this, type) + if (saved !== result || notAsync) { + dataPriv.set(this, type, false) + } else { + result = {} + } + if (saved !== result) { + // Cancel the outer synthetic event + event.stopImmediatePropagation() + event.preventDefault() + return result.value + } + + // If this is an inner synthetic event for an event with a bubbling surrogate + // (focus or blur), assume that the surrogate already propagated from triggering the + // native event and prevent that from happening again here. + // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the + // bubbling surrogate propagates *after* the non-bubbling base), but that seems + // less bad than duplication. + } else if ((jQuery.event.special[type] || {}).delegateType) { + event.stopPropagation() + } + + // If this is a native event triggered above, everything is now in order + // Fire an inner synthetic event with the original arguments + } else if (saved.length) { + // ...and capture the result + dataPriv.set(this, type, { + value: jQuery.event.trigger( + + // Support: IE <=9 - 11+ + // Extend with the prototype to reset the above stopImmediatePropagation() + jQuery.extend(saved[0], jQuery.Event.prototype), + saved.slice(1), + this + ) + }) + + // Abort handling of the native event + event.stopImmediatePropagation() + } + } + }) + } + + jQuery.removeEvent = function (elem, type, handle) { + // This "if" is needed for plain objects + if (elem.removeEventListener) { + elem.removeEventListener(type, handle) + } + } + + jQuery.Event = function (src, props) { + // Allow instantiation without the 'new' keyword + if (!(this instanceof jQuery.Event)) { + return new jQuery.Event(src, props) + } + + // Event object + if (src && src.type) { + this.originalEvent = src + this.type = src.type + + // Events bubbling up the document may have been marked as prevented + // by a handler lower down the tree; reflect the correct value. + this.isDefaultPrevented = src.defaultPrevented || + src.defaultPrevented === undefined && + + // Support: Android <=2.3 only + src.returnValue === false + ? returnTrue + : returnFalse + + // Create target properties + // Support: Safari <=6 - 7 only + // Target should not be a text node (#504, #13143) + this.target = (src.target && src.target.nodeType === 3) + ? src.target.parentNode + : src.target + + this.currentTarget = src.currentTarget + this.relatedTarget = src.relatedTarget + + // Event type + } else { + this.type = src + } + + // Put explicitly provided properties onto the event object + if (props) { + jQuery.extend(this, props) + } + + // Create a timestamp if incoming event doesn't have one + this.timeStamp = src && src.timeStamp || Date.now() + + // Mark it as fixed + this[jQuery.expando] = true + } + + // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding + // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html + jQuery.Event.prototype = { + constructor: jQuery.Event, + isDefaultPrevented: returnFalse, + isPropagationStopped: returnFalse, + isImmediatePropagationStopped: returnFalse, + isSimulated: false, + + preventDefault: function () { + const e = this.originalEvent + + this.isDefaultPrevented = returnTrue + + if (e && !this.isSimulated) { + e.preventDefault() + } + }, + stopPropagation: function () { + const e = this.originalEvent + + this.isPropagationStopped = returnTrue + + if (e && !this.isSimulated) { + e.stopPropagation() + } + }, + stopImmediatePropagation: function () { + const e = this.originalEvent + + this.isImmediatePropagationStopped = returnTrue + + if (e && !this.isSimulated) { + e.stopImmediatePropagation() + } + + this.stopPropagation() + } + } + + // Includes all common event props including KeyEvent and MouseEvent specific props + jQuery.each({ + altKey: true, + bubbles: true, + cancelable: true, + changedTouches: true, + ctrlKey: true, + detail: true, + eventPhase: true, + metaKey: true, + pageX: true, + pageY: true, + shiftKey: true, + view: true, + char: true, + code: true, + charCode: true, + key: true, + keyCode: true, + button: true, + buttons: true, + clientX: true, + clientY: true, + offsetX: true, + offsetY: true, + pointerId: true, + pointerType: true, + screenX: true, + screenY: true, + targetTouches: true, + toElement: true, + touches: true, + + which: function (event) { + const button = event.button + + // Add which for key events + if (event.which == null && rkeyEvent.test(event.type)) { + return event.charCode != null ? event.charCode : event.keyCode + } + + // Add which for click: 1 === left; 2 === middle; 3 === right + if (!event.which && button !== undefined && rmouseEvent.test(event.type)) { + if (button & 1) { + return 1 + } + + if (button & 2) { + return 3 + } + + if (button & 4) { + return 2 + } + + return 0 + } + + return event.which + } + }, jQuery.event.addProp) + + jQuery.each({ focus: 'focusin', blur: 'focusout' }, function (type, delegateType) { + jQuery.event.special[type] = { + + // Utilize native event if possible so blur/focus sequence is correct + setup: function () { + // Claim the first handler + // dataPriv.set( this, "focus", ... ) + // dataPriv.set( this, "blur", ... ) + leverageNative(this, type, expectSync) + + // Return false to allow normal processing in the caller + return false + }, + trigger: function () { + // Force setup before trigger + leverageNative(this, type) + + // Return non-false to allow normal event-path propagation + return true + }, + + delegateType: delegateType + } + }) + + // Create mouseenter/leave events using mouseover/out and event-time checks + // so that event delegation works in jQuery. + // Do the same for pointerenter/pointerleave and pointerover/pointerout + // + // Support: Safari 7 only + // Safari sends mouseenter too often; see: + // https://bugs.chromium.org/p/chromium/issues/detail?id=470258 + // for the description of the bug (it existed in older Chrome versions as well). + jQuery.each({ + mouseenter: 'mouseover', + mouseleave: 'mouseout', + pointerenter: 'pointerover', + pointerleave: 'pointerout' + }, function (orig, fix) { + jQuery.event.special[orig] = { + delegateType: fix, + bindType: fix, + + handle: function (event) { + let ret + const target = this + const related = event.relatedTarget + const handleObj = event.handleObj + + // For mouseenter/leave call the handler if related is outside the target. + // NB: No relatedTarget if the mouse left/entered the browser window + if (!related || (related !== target && !jQuery.contains(target, related))) { + event.type = handleObj.origType + ret = handleObj.handler.apply(this, arguments) + event.type = fix + } + return ret + } + } + }) + + jQuery.fn.extend({ + + on: function (types, selector, data, fn) { + return on(this, types, selector, data, fn) + }, + one: function (types, selector, data, fn) { + return on(this, types, selector, data, fn, 1) + }, + off: function (types, selector, fn) { + let handleObj, type + if (types && types.preventDefault && types.handleObj) { + // ( event ) dispatched jQuery.Event + handleObj = types.handleObj + jQuery(types.delegateTarget).off( + handleObj.namespace + ? handleObj.origType + '.' + handleObj.namespace + : handleObj.origType, + handleObj.selector, + handleObj.handler + ) + return this + } + if (typeof types === 'object') { + // ( types-object [, selector] ) + for (type in types) { + this.off(type, selector, types[type]) + } + return this + } + if (selector === false || typeof selector === 'function') { + // ( types [, fn] ) + fn = selector + selector = undefined + } + if (fn === false) { + fn = returnFalse + } + return this.each(function () { + jQuery.event.remove(this, types, fn, selector) + }) + } + }) + + const + + /* eslint-disable max-len */ + + // See https://github.com/eslint/eslint/issues/3229 + rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi + + /* eslint-enable */ + + // Support: IE <=10 - 11, Edge 12 - 13 only + // In IE/Edge using regex groups here causes severe slowdowns. + // See https://connect.microsoft.com/IE/feedback/details/1736512/ + const rnoInnerhtml = /\s*$/g + + // Prefer a tbody over its parent table for containing new rows + function manipulationTarget (elem, content) { + if (nodeName(elem, 'table') && + nodeName(content.nodeType !== 11 ? content : content.firstChild, 'tr')) { + return jQuery(elem).children('tbody')[0] || elem + } + + return elem + } + + // Replace/restore the type attribute of script elements for safe DOM manipulation + function disableScript (elem) { + elem.type = (elem.getAttribute('type') !== null) + '/' + elem.type + return elem + } + function restoreScript (elem) { + if ((elem.type || '').slice(0, 5) === 'true/') { + elem.type = elem.type.slice(5) + } else { + elem.removeAttribute('type') + } + + return elem + } + + function cloneCopyEvent (src, dest) { + let i, l, type, pdataOld, pdataCur, udataOld, udataCur, events + + if (dest.nodeType !== 1) { + return + } + + // 1. Copy private data: events, handlers, etc. + if (dataPriv.hasData(src)) { + pdataOld = dataPriv.access(src) + pdataCur = dataPriv.set(dest, pdataOld) + events = pdataOld.events + + if (events) { + delete pdataCur.handle + pdataCur.events = {} + + for (type in events) { + for (i = 0, l = events[type].length; i < l; i++) { + jQuery.event.add(dest, type, events[type][i]) + } + } + } + } + + // 2. Copy user data + if (dataUser.hasData(src)) { + udataOld = dataUser.access(src) + udataCur = jQuery.extend({}, udataOld) + + dataUser.set(dest, udataCur) + } + } + + // Fix IE bugs, see support tests + function fixInput (src, dest) { + const nodeName = dest.nodeName.toLowerCase() + + // Fails to persist the checked state of a cloned checkbox or radio button. + if (nodeName === 'input' && rcheckableType.test(src.type)) { + dest.checked = src.checked + + // Fails to return the selected option to the default selected state when cloning options + } else if (nodeName === 'input' || nodeName === 'textarea') { + dest.defaultValue = src.defaultValue + } + } + + function domManip (collection, args, callback, ignored) { + // Flatten any nested arrays + args = concat.apply([], args) + + let fragment; let first; let scripts; let hasScripts; let node; let doc + let i = 0 + const l = collection.length + const iNoClone = l - 1 + const value = args[0] + const valueIsFunction = isFunction(value) + + // We can't cloneNode fragments that contain checked, in WebKit + if (valueIsFunction || + (l > 1 && typeof value === 'string' && + !support.checkClone && rchecked.test(value))) { + return collection.each(function (index) { + const self = collection.eq(index) + if (valueIsFunction) { + args[0] = value.call(this, index, self.html()) + } + domManip(self, args, callback, ignored) + }) + } + + if (l) { + fragment = buildFragment(args, collection[0].ownerDocument, false, collection, ignored) + first = fragment.firstChild + + if (fragment.childNodes.length === 1) { + fragment = first + } + + // Require either new content or an interest in ignored elements to invoke the callback + if (first || ignored) { + scripts = jQuery.map(getAll(fragment, 'script'), disableScript) + hasScripts = scripts.length + + // Use the original fragment for the last item + // instead of the first because it can end up + // being emptied incorrectly in certain situations (#8070). + for (; i < l; i++) { + node = fragment + + if (i !== iNoClone) { + node = jQuery.clone(node, true, true) + + // Keep references to cloned scripts for later restoration + if (hasScripts) { + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge(scripts, getAll(node, 'script')) + } + } + + callback.call(collection[i], node, i) + } + + if (hasScripts) { + doc = scripts[scripts.length - 1].ownerDocument + + // Reenable scripts + jQuery.map(scripts, restoreScript) + + // Evaluate executable scripts on first document insertion + for (i = 0; i < hasScripts; i++) { + node = scripts[i] + if (rscriptType.test(node.type || '') && + !dataPriv.access(node, 'globalEval') && + jQuery.contains(doc, node)) { + if (node.src && (node.type || '').toLowerCase() !== 'module') { + // Optional AJAX dependency, but won't run scripts if not present + if (jQuery._evalUrl && !node.noModule) { + jQuery._evalUrl(node.src, { + nonce: node.nonce || node.getAttribute('nonce') + }) + } + } else { + DOMEval(node.textContent.replace(rcleanScript, ''), node, doc) + } + } + } + } + } + } + + return collection + } + + function remove (elem, selector, keepData) { + let node + const nodes = selector ? jQuery.filter(selector, elem) : elem + let i = 0 + + for (; (node = nodes[i]) != null; i++) { + if (!keepData && node.nodeType === 1) { + jQuery.cleanData(getAll(node)) + } + + if (node.parentNode) { + if (keepData && isAttached(node)) { + setGlobalEval(getAll(node, 'script')) + } + node.parentNode.removeChild(node) + } + } + + return elem + } + + jQuery.extend({ + htmlPrefilter: function (html) { + return html.replace(rxhtmlTag, '<$1>') + }, + + clone: function (elem, dataAndEvents, deepDataAndEvents) { + let i; let l; let srcElements; let destElements + const clone = elem.cloneNode(true) + const inPage = isAttached(elem) + + // Fix IE cloning issues + if (!support.noCloneChecked && (elem.nodeType === 1 || elem.nodeType === 11) && + !jQuery.isXMLDoc(elem)) { + // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 + destElements = getAll(clone) + srcElements = getAll(elem) + + for (i = 0, l = srcElements.length; i < l; i++) { + fixInput(srcElements[i], destElements[i]) + } + } + + // Copy the events from the original to the clone + if (dataAndEvents) { + if (deepDataAndEvents) { + srcElements = srcElements || getAll(elem) + destElements = destElements || getAll(clone) + + for (i = 0, l = srcElements.length; i < l; i++) { + cloneCopyEvent(srcElements[i], destElements[i]) + } + } else { + cloneCopyEvent(elem, clone) + } + } + + // Preserve script evaluation history + destElements = getAll(clone, 'script') + if (destElements.length > 0) { + setGlobalEval(destElements, !inPage && getAll(elem, 'script')) + } + + // Return the cloned set + return clone + }, + + cleanData: function (elems) { + let data; let elem; let type + const special = jQuery.event.special + let i = 0 + + for (; (elem = elems[i]) !== undefined; i++) { + if (acceptData(elem)) { + if ((data = elem[dataPriv.expando])) { + if (data.events) { + for (type in data.events) { + if (special[type]) { + jQuery.event.remove(elem, type) + + // This is a shortcut to avoid jQuery.event.remove's overhead + } else { + jQuery.removeEvent(elem, type, data.handle) + } + } + } + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[dataPriv.expando] = undefined + } + if (elem[dataUser.expando]) { + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[dataUser.expando] = undefined + } + } + } + } + }) + + jQuery.fn.extend({ + detach: function (selector) { + return remove(this, selector, true) + }, + + remove: function (selector) { + return remove(this, selector) + }, + + text: function (value) { + return access(this, function (value) { + return value === undefined + ? jQuery.text(this) + : this.empty().each(function () { + if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) { + this.textContent = value + } + }) + }, null, value, arguments.length) + }, + + append: function () { + return domManip(this, arguments, function (elem) { + if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) { + const target = manipulationTarget(this, elem) + target.appendChild(elem) + } + }) + }, + + prepend: function () { + return domManip(this, arguments, function (elem) { + if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) { + const target = manipulationTarget(this, elem) + target.insertBefore(elem, target.firstChild) + } + }) + }, + + before: function () { + return domManip(this, arguments, function (elem) { + if (this.parentNode) { + this.parentNode.insertBefore(elem, this) + } + }) + }, + + after: function () { + return domManip(this, arguments, function (elem) { + if (this.parentNode) { + this.parentNode.insertBefore(elem, this.nextSibling) + } + }) + }, + + empty: function () { + let elem + let i = 0 + + for (; (elem = this[i]) != null; i++) { + if (elem.nodeType === 1) { + // Prevent memory leaks + jQuery.cleanData(getAll(elem, false)) + + // Remove any remaining nodes + elem.textContent = '' + } + } + + return this + }, + + clone: function (dataAndEvents, deepDataAndEvents) { + dataAndEvents = dataAndEvents == null ? false : dataAndEvents + deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents + + return this.map(function () { + return jQuery.clone(this, dataAndEvents, deepDataAndEvents) + }) + }, + + html: function (value) { + return access(this, function (value) { + let elem = this[0] || {} + let i = 0 + const l = this.length + + if (value === undefined && elem.nodeType === 1) { + return elem.innerHTML + } + + // See if we can take a shortcut and just use innerHTML + if (typeof value === 'string' && !rnoInnerhtml.test(value) && + !wrapMap[(rtagName.exec(value) || ['', ''])[1].toLowerCase()]) { + value = jQuery.htmlPrefilter(value) + + try { + for (; i < l; i++) { + elem = this[i] || {} + + // Remove element nodes and prevent memory leaks + if (elem.nodeType === 1) { + jQuery.cleanData(getAll(elem, false)) + elem.innerHTML = value + } + } + + elem = 0 + + // If using innerHTML throws an exception, use the fallback method + } catch (e) {} + } + + if (elem) { + this.empty().append(value) + } + }, null, value, arguments.length) + }, + + replaceWith: function () { + const ignored = [] + + // Make the changes, replacing each non-ignored context element with the new content + return domManip(this, arguments, function (elem) { + const parent = this.parentNode + + if (jQuery.inArray(this, ignored) < 0) { + jQuery.cleanData(getAll(this)) + if (parent) { + parent.replaceChild(elem, this) + } + } + + // Force callback invocation + }, ignored) + } + }) + + jQuery.each({ + appendTo: 'append', + prependTo: 'prepend', + insertBefore: 'before', + insertAfter: 'after', + replaceAll: 'replaceWith' + }, function (name, original) { + jQuery.fn[name] = function (selector) { + let elems + const ret = [] + const insert = jQuery(selector) + const last = insert.length - 1 + let i = 0 + + for (; i <= last; i++) { + elems = i === last ? this : this.clone(true) + jQuery(insert[i])[original](elems) + + // Support: Android <=4.0 only, PhantomJS 1 only + // .get() because push.apply(_, arraylike) throws on ancient WebKit + push.apply(ret, elems.get()) + } + + return this.pushStack(ret) + } + }) + const rnumnonpx = new RegExp('^(' + pnum + ')(?!px)[a-z%]+$', 'i') + + const getStyles = function (elem) { + // Support: IE <=11 only, Firefox <=30 (#15098, #14150) + // IE throws on elements created in popups + // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" + let view = elem.ownerDocument.defaultView + + if (!view || !view.opener) { + view = window + } + + return view.getComputedStyle(elem) + } + + const rboxStyle = new RegExp(cssExpand.join('|'), 'i'); + + (function () { + // Executing both pixelPosition & boxSizingReliable tests require only one layout + // so they're executed at the same time to save the second computation. + function computeStyleTests () { + // This is a singleton, we need to execute it only once + if (!div) { + return + } + + container.style.cssText = 'position:absolute;left:-11111px;width:60px;' + + 'margin-top:1px;padding:0;border:0' + div.style.cssText = + 'position:relative;display:block;box-sizing:border-box;overflow:scroll;' + + 'margin:auto;border:1px;padding:1px;' + + 'width:60%;top:1%' + documentElement.appendChild(container).appendChild(div) + + const divStyle = window.getComputedStyle(div) + pixelPositionVal = divStyle.top !== '1%' + + // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 + reliableMarginLeftVal = roundPixelMeasures(divStyle.marginLeft) === 12 + + // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3 + // Some styles come back with percentage values, even though they shouldn't + div.style.right = '60%' + pixelBoxStylesVal = roundPixelMeasures(divStyle.right) === 36 + + // Support: IE 9 - 11 only + // Detect misreporting of content dimensions for box-sizing:border-box elements + boxSizingReliableVal = roundPixelMeasures(divStyle.width) === 36 + + // Support: IE 9 only + // Detect overflow:scroll screwiness (gh-3699) + // Support: Chrome <=64 + // Don't get tricked when zoom affects offsetWidth (gh-4029) + div.style.position = 'absolute' + scrollboxSizeVal = roundPixelMeasures(div.offsetWidth / 3) === 12 + + documentElement.removeChild(container) + + // Nullify the div so it wouldn't be stored in the memory and + // it will also be a sign that checks already performed + div = null + } + + function roundPixelMeasures (measure) { + return Math.round(parseFloat(measure)) + } + + let pixelPositionVal; let boxSizingReliableVal; let scrollboxSizeVal; let pixelBoxStylesVal + let reliableMarginLeftVal + var container = document.createElement('div') + var div = document.createElement('div') + + // Finish early in limited (non-browser) environments + if (!div.style) { + return + } + + // Support: IE <=9 - 11 only + // Style of cloned element affects source element cloned (#8908) + div.style.backgroundClip = 'content-box' + div.cloneNode(true).style.backgroundClip = '' + support.clearCloneStyle = div.style.backgroundClip === 'content-box' + + jQuery.extend(support, { + boxSizingReliable: function () { + computeStyleTests() + return boxSizingReliableVal + }, + pixelBoxStyles: function () { + computeStyleTests() + return pixelBoxStylesVal + }, + pixelPosition: function () { + computeStyleTests() + return pixelPositionVal + }, + reliableMarginLeft: function () { + computeStyleTests() + return reliableMarginLeftVal + }, + scrollboxSize: function () { + computeStyleTests() + return scrollboxSizeVal + } + }) + })() + + function curCSS (elem, name, computed) { + let width; let minWidth; let maxWidth; let ret + + // Support: Firefox 51+ + // Retrieving style before computed somehow + // fixes an issue with getting wrong values + // on detached elements + const style = elem.style + + computed = computed || getStyles(elem) + + // getPropertyValue is needed for: + // .css('filter') (IE 9 only, #12537) + // .css('--customProperty) (#3144) + if (computed) { + ret = computed.getPropertyValue(name) || computed[name] + + if (ret === '' && !isAttached(elem)) { + ret = jQuery.style(elem, name) + } + + // A tribute to the "awesome hack by Dean Edwards" + // Android Browser returns percentage for some values, + // but width seems to be reliably pixels. + // This is against the CSSOM draft spec: + // https://drafts.csswg.org/cssom/#resolved-values + if (!support.pixelBoxStyles() && rnumnonpx.test(ret) && rboxStyle.test(name)) { + // Remember the original values + width = style.width + minWidth = style.minWidth + maxWidth = style.maxWidth + + // Put in the new values to get a computed value out + style.minWidth = style.maxWidth = style.width = ret + ret = computed.width + + // Revert the changed values + style.width = width + style.minWidth = minWidth + style.maxWidth = maxWidth + } + } + + return ret !== undefined + + // Support: IE <=9 - 11 only + // IE returns zIndex value as an integer. + ? ret + '' + : ret + } + + function addGetHookIf (conditionFn, hookFn) { + // Define the hook, we'll check on the first run if it's really needed. + return { + get: function () { + if (conditionFn()) { + // Hook not needed (or it's not possible to use it due + // to missing dependency), remove it. + delete this.get + return + } + + // Hook needed; redefine it so that the support test is not executed again. + return (this.get = hookFn).apply(this, arguments) + } + } + } + + const cssPrefixes = ['Webkit', 'Moz', 'ms'] + const emptyStyle = document.createElement('div').style + const vendorProps = {} + + // Return a vendor-prefixed property or undefined + function vendorPropName (name) { + // Check for vendor prefixed names + const capName = name[0].toUpperCase() + name.slice(1) + let i = cssPrefixes.length + + while (i--) { + name = cssPrefixes[i] + capName + if (name in emptyStyle) { + return name + } + } + } + + // Return a potentially-mapped jQuery.cssProps or vendor prefixed property + function finalPropName (name) { + const final = jQuery.cssProps[name] || vendorProps[name] + + if (final) { + return final + } + if (name in emptyStyle) { + return name + } + return vendorProps[name] = vendorPropName(name) || name + } + + const + + // Swappable if display is none or starts with table + // except "table", "table-cell", or "table-caption" + // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display + rdisplayswap = /^(none|table(?!-c[ea]).+)/ + const rcustomProp = /^--/ + const cssShow = { position: 'absolute', visibility: 'hidden', display: 'block' } + const cssNormalTransform = { + letterSpacing: '0', + fontWeight: '400' + } + + function setPositiveNumber (elem, value, subtract) { + // Any relative (+/-) values have already been + // normalized at this point + const matches = rcssNum.exec(value) + return matches + + // Guard against undefined "subtract", e.g., when used as in cssHooks + ? Math.max(0, matches[2] - (subtract || 0)) + (matches[3] || 'px') + : value + } + + function boxModelAdjustment (elem, dimension, box, isBorderBox, styles, computedVal) { + let i = dimension === 'width' ? 1 : 0 + let extra = 0 + let delta = 0 + + // Adjustment may not be necessary + if (box === (isBorderBox ? 'border' : 'content')) { + return 0 + } + + for (; i < 4; i += 2) { + // Both box models exclude margin + if (box === 'margin') { + delta += jQuery.css(elem, box + cssExpand[i], true, styles) + } + + // If we get here with a content-box, we're seeking "padding" or "border" or "margin" + if (!isBorderBox) { + // Add padding + delta += jQuery.css(elem, 'padding' + cssExpand[i], true, styles) + + // For "border" or "margin", add border + if (box !== 'padding') { + delta += jQuery.css(elem, 'border' + cssExpand[i] + 'Width', true, styles) + + // But still keep track of it otherwise + } else { + extra += jQuery.css(elem, 'border' + cssExpand[i] + 'Width', true, styles) + } + + // If we get here with a border-box (content + padding + border), we're seeking "content" or + // "padding" or "margin" + } else { + // For "content", subtract padding + if (box === 'content') { + delta -= jQuery.css(elem, 'padding' + cssExpand[i], true, styles) + } + + // For "content" or "padding", subtract border + if (box !== 'margin') { + delta -= jQuery.css(elem, 'border' + cssExpand[i] + 'Width', true, styles) + } + } + } + + // Account for positive content-box scroll gutter when requested by providing computedVal + if (!isBorderBox && computedVal >= 0) { + // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border + // Assuming integer scroll gutter, subtract the rest and round down + delta += Math.max(0, Math.ceil( + elem['offset' + dimension[0].toUpperCase() + dimension.slice(1)] - + computedVal - + delta - + extra - + 0.5 + + // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter + // Use an explicit zero to avoid NaN (gh-3964) + )) || 0 + } + + return delta + } + + function getWidthOrHeight (elem, dimension, extra) { + // Start with computed style + const styles = getStyles(elem) + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322). + // Fake content-box until we know it's needed to know the true value. + const boxSizingNeeded = !support.boxSizingReliable() || extra + let isBorderBox = boxSizingNeeded && + jQuery.css(elem, 'boxSizing', false, styles) === 'border-box' + let valueIsBorderBox = isBorderBox + + let val = curCSS(elem, dimension, styles) + const offsetProp = 'offset' + dimension[0].toUpperCase() + dimension.slice(1) + + // Support: Firefox <=54 + // Return a confounding non-pixel value or feign ignorance, as appropriate. + if (rnumnonpx.test(val)) { + if (!extra) { + return val + } + val = 'auto' + } + + // Fall back to offsetWidth/offsetHeight when value is "auto" + // This happens for inline elements with no explicit setting (gh-3571) + // Support: Android <=4.1 - 4.3 only + // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602) + // Support: IE 9-11 only + // Also use offsetWidth/offsetHeight for when box sizing is unreliable + // We use getClientRects() to check for hidden/disconnected. + // In those cases, the computed value can be trusted to be border-box + if ((!support.boxSizingReliable() && isBorderBox || + val === 'auto' || + !parseFloat(val) && jQuery.css(elem, 'display', false, styles) === 'inline') && + elem.getClientRects().length) { + isBorderBox = jQuery.css(elem, 'boxSizing', false, styles) === 'border-box' + + // Where available, offsetWidth/offsetHeight approximate border box dimensions. + // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the + // retrieved value as a content box dimension. + valueIsBorderBox = offsetProp in elem + if (valueIsBorderBox) { + val = elem[offsetProp] + } + } + + // Normalize "" and auto + val = parseFloat(val) || 0 + + // Adjust for the element's box model + return (val + + boxModelAdjustment( + elem, + dimension, + extra || (isBorderBox ? 'border' : 'content'), + valueIsBorderBox, + styles, + + // Provide the current computed size to request scroll gutter calculation (gh-3589) + val + ) + ) + 'px' + } + + jQuery.extend({ + + // Add in style property hooks for overriding the default + // behavior of getting and setting a style property + cssHooks: { + opacity: { + get: function (elem, computed) { + if (computed) { + // We should always get a number back from opacity + const ret = curCSS(elem, 'opacity') + return ret === '' ? '1' : ret + } + } + } + }, + + // Don't automatically add "px" to these possibly-unitless properties + cssNumber: { + animationIterationCount: true, + columnCount: true, + fillOpacity: true, + flexGrow: true, + flexShrink: true, + fontWeight: true, + gridArea: true, + gridColumn: true, + gridColumnEnd: true, + gridColumnStart: true, + gridRow: true, + gridRowEnd: true, + gridRowStart: true, + lineHeight: true, + opacity: true, + order: true, + orphans: true, + widows: true, + zIndex: true, + zoom: true + }, + + // Add in properties whose names you wish to fix before + // setting or getting the value + cssProps: {}, + + // Get and set the style property on a DOM Node + style: function (elem, name, value, extra) { + // Don't set styles on text and comment nodes + if (!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style) { + return + } + + // Make sure that we're working with the right name + let ret; let type; let hooks + const origName = camelCase(name) + const isCustomProp = rcustomProp.test(name) + const style = elem.style + + // Make sure that we're working with the right name. We don't + // want to query the value if it is a CSS custom property + // since they are user-defined. + if (!isCustomProp) { + name = finalPropName(origName) + } + + // Gets hook for the prefixed version, then unprefixed version + hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName] + + // Check if we're setting a value + if (value !== undefined) { + type = typeof value + + // Convert "+=" or "-=" to relative numbers (#7345) + if (type === 'string' && (ret = rcssNum.exec(value)) && ret[1]) { + value = adjustCSS(elem, name, ret) + + // Fixes bug #9237 + type = 'number' + } + + // Make sure that null and NaN values aren't set (#7116) + if (value == null || value !== value) { + return + } + + // If a number was passed in, add the unit (except for certain CSS properties) + // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append + // "px" to a few hardcoded values. + if (type === 'number' && !isCustomProp) { + value += ret && ret[3] || (jQuery.cssNumber[origName] ? '' : 'px') + } + + // background-* props affect original clone's values + if (!support.clearCloneStyle && value === '' && name.indexOf('background') === 0) { + style[name] = 'inherit' + } + + // If a hook was provided, use that value, otherwise just set the specified value + if (!hooks || !('set' in hooks) || + (value = hooks.set(elem, value, extra)) !== undefined) { + if (isCustomProp) { + style.setProperty(name, value) + } else { + style[name] = value + } + } + } else { + // If a hook was provided get the non-computed value from there + if (hooks && 'get' in hooks && + (ret = hooks.get(elem, false, extra)) !== undefined) { + return ret + } + + // Otherwise just get the value from the style object + return style[name] + } + }, + + css: function (elem, name, extra, styles) { + let val; let num; let hooks + const origName = camelCase(name) + const isCustomProp = rcustomProp.test(name) + + // Make sure that we're working with the right name. We don't + // want to modify the value if it is a CSS custom property + // since they are user-defined. + if (!isCustomProp) { + name = finalPropName(origName) + } + + // Try prefixed name followed by the unprefixed name + hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName] + + // If a hook was provided get the computed value from there + if (hooks && 'get' in hooks) { + val = hooks.get(elem, true, extra) + } + + // Otherwise, if a way to get the computed value exists, use that + if (val === undefined) { + val = curCSS(elem, name, styles) + } + + // Convert "normal" to computed value + if (val === 'normal' && name in cssNormalTransform) { + val = cssNormalTransform[name] + } + + // Make numeric if forced or a qualifier was provided and val looks numeric + if (extra === '' || extra) { + num = parseFloat(val) + return extra === true || isFinite(num) ? num || 0 : val + } + + return val + } + }) + + jQuery.each(['height', 'width'], function (i, dimension) { + jQuery.cssHooks[dimension] = { + get: function (elem, computed, extra) { + if (computed) { + // Certain elements can have dimension info if we invisibly show them + // but it must have a current display style that would benefit + return rdisplayswap.test(jQuery.css(elem, 'display')) && + + // Support: Safari 8+ + // Table columns in Safari have non-zero offsetWidth & zero + // getBoundingClientRect().width unless display is changed. + // Support: IE <=11 only + // Running getBoundingClientRect on a disconnected node + // in IE throws an error. + (!elem.getClientRects().length || !elem.getBoundingClientRect().width) + ? swap(elem, cssShow, function () { + return getWidthOrHeight(elem, dimension, extra) + }) + : getWidthOrHeight(elem, dimension, extra) + } + }, + + set: function (elem, value, extra) { + let matches + const styles = getStyles(elem) + + // Only read styles.position if the test has a chance to fail + // to avoid forcing a reflow. + const scrollboxSizeBuggy = !support.scrollboxSize() && + styles.position === 'absolute' + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991) + const boxSizingNeeded = scrollboxSizeBuggy || extra + const isBorderBox = boxSizingNeeded && + jQuery.css(elem, 'boxSizing', false, styles) === 'border-box' + let subtract = extra + ? boxModelAdjustment( + elem, + dimension, + extra, + isBorderBox, + styles + ) + : 0 + + // Account for unreliable border-box dimensions by comparing offset* to computed and + // faking a content-box to get border and padding (gh-3699) + if (isBorderBox && scrollboxSizeBuggy) { + subtract -= Math.ceil( + elem['offset' + dimension[0].toUpperCase() + dimension.slice(1)] - + parseFloat(styles[dimension]) - + boxModelAdjustment(elem, dimension, 'border', false, styles) - + 0.5 + ) + } + + // Convert to pixels if value adjustment is needed + if (subtract && (matches = rcssNum.exec(value)) && + (matches[3] || 'px') !== 'px') { + elem.style[dimension] = value + value = jQuery.css(elem, dimension) + } + + return setPositiveNumber(elem, value, subtract) + } + } + }) + + jQuery.cssHooks.marginLeft = addGetHookIf(support.reliableMarginLeft, + function (elem, computed) { + if (computed) { + return (parseFloat(curCSS(elem, 'marginLeft')) || + elem.getBoundingClientRect().left - + swap(elem, { marginLeft: 0 }, function () { + return elem.getBoundingClientRect().left + }) + ) + 'px' + } + } + ) + + // These hooks are used by animate to expand properties + jQuery.each({ + margin: '', + padding: '', + border: 'Width' + }, function (prefix, suffix) { + jQuery.cssHooks[prefix + suffix] = { + expand: function (value) { + let i = 0 + const expanded = {} + + // Assumes a single number if not a string + const parts = typeof value === 'string' ? value.split(' ') : [value] + + for (; i < 4; i++) { + expanded[prefix + cssExpand[i] + suffix] = + parts[i] || parts[i - 2] || parts[0] + } + + return expanded + } + } + + if (prefix !== 'margin') { + jQuery.cssHooks[prefix + suffix].set = setPositiveNumber + } + }) + + jQuery.fn.extend({ + css: function (name, value) { + return access(this, function (elem, name, value) { + let styles; let len + const map = {} + let i = 0 + + if (Array.isArray(name)) { + styles = getStyles(elem) + len = name.length + + for (; i < len; i++) { + map[name[i]] = jQuery.css(elem, name[i], false, styles) + } + + return map + } + + return value !== undefined + ? jQuery.style(elem, name, value) + : jQuery.css(elem, name) + }, name, value, arguments.length > 1) + } + }) + + function Tween (elem, options, prop, end, easing) { + return new Tween.prototype.init(elem, options, prop, end, easing) + } + jQuery.Tween = Tween + + Tween.prototype = { + constructor: Tween, + init: function (elem, options, prop, end, easing, unit) { + this.elem = elem + this.prop = prop + this.easing = easing || jQuery.easing._default + this.options = options + this.start = this.now = this.cur() + this.end = end + this.unit = unit || (jQuery.cssNumber[prop] ? '' : 'px') + }, + cur: function () { + const hooks = Tween.propHooks[this.prop] + + return hooks && hooks.get + ? hooks.get(this) + : Tween.propHooks._default.get(this) + }, + run: function (percent) { + let eased + const hooks = Tween.propHooks[this.prop] + + if (this.options.duration) { + this.pos = eased = jQuery.easing[this.easing]( + percent, this.options.duration * percent, 0, 1, this.options.duration + ) + } else { + this.pos = eased = percent + } + this.now = (this.end - this.start) * eased + this.start + + if (this.options.step) { + this.options.step.call(this.elem, this.now, this) + } + + if (hooks && hooks.set) { + hooks.set(this) + } else { + Tween.propHooks._default.set(this) + } + return this + } + } + + Tween.prototype.init.prototype = Tween.prototype + + Tween.propHooks = { + _default: { + get: function (tween) { + let result + + // Use a property on the element directly when it is not a DOM element, + // or when there is no matching style property that exists. + if (tween.elem.nodeType !== 1 || + tween.elem[tween.prop] != null && tween.elem.style[tween.prop] == null) { + return tween.elem[tween.prop] + } + + // Passing an empty string as a 3rd parameter to .css will automatically + // attempt a parseFloat and fallback to a string if the parse fails. + // Simple values such as "10px" are parsed to Float; + // complex values such as "rotate(1rad)" are returned as-is. + result = jQuery.css(tween.elem, tween.prop, '') + + // Empty strings, null, undefined and "auto" are converted to 0. + return !result || result === 'auto' ? 0 : result + }, + set: function (tween) { + // Use step hook for back compat. + // Use cssHook if its there. + // Use .style if available and use plain properties where available. + if (jQuery.fx.step[tween.prop]) { + jQuery.fx.step[tween.prop](tween) + } else if (tween.elem.nodeType === 1 && ( + jQuery.cssHooks[tween.prop] || + tween.elem.style[finalPropName(tween.prop)] != null)) { + jQuery.style(tween.elem, tween.prop, tween.now + tween.unit) + } else { + tween.elem[tween.prop] = tween.now + } + } + } + } + + // Support: IE <=9 only + // Panic based approach to setting things on disconnected nodes + Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { + set: function (tween) { + if (tween.elem.nodeType && tween.elem.parentNode) { + tween.elem[tween.prop] = tween.now + } + } + } + + jQuery.easing = { + linear: function (p) { + return p + }, + swing: function (p) { + return 0.5 - Math.cos(p * Math.PI) / 2 + }, + _default: 'swing' + } + + jQuery.fx = Tween.prototype.init + + // Back compat <1.8 extension point + jQuery.fx.step = {} + + let + fxNow; let inProgress + const rfxtypes = /^(?:toggle|show|hide)$/ + const rrun = /queueHooks$/ + + function schedule () { + if (inProgress) { + if (document.hidden === false && window.requestAnimationFrame) { + window.requestAnimationFrame(schedule) + } else { + window.setTimeout(schedule, jQuery.fx.interval) + } + + jQuery.fx.tick() + } + } + + // Animations created synchronously will run synchronously + function createFxNow () { + window.setTimeout(function () { + fxNow = undefined + }) + return (fxNow = Date.now()) + } + + // Generate parameters to create a standard animation + function genFx (type, includeWidth) { + let which + let i = 0 + const attrs = { height: type } + + // If we include width, step value is 1 to do all cssExpand values, + // otherwise step value is 2 to skip over Left and Right + includeWidth = includeWidth ? 1 : 0 + for (; i < 4; i += 2 - includeWidth) { + which = cssExpand[i] + attrs['margin' + which] = attrs['padding' + which] = type + } + + if (includeWidth) { + attrs.opacity = attrs.width = type + } + + return attrs + } + + function createTween (value, prop, animation) { + let tween + const collection = (Animation.tweeners[prop] || []).concat(Animation.tweeners['*']) + let index = 0 + const length = collection.length + for (; index < length; index++) { + if ((tween = collection[index].call(animation, prop, value))) { + // We're done with this property + return tween + } + } + } + + function defaultPrefilter (elem, props, opts) { + let prop; let value; let toggle; let hooks; let oldfire; let propTween; let restoreDisplay; let display + const isBox = 'width' in props || 'height' in props + const anim = this + const orig = {} + const style = elem.style + let hidden = elem.nodeType && isHiddenWithinTree(elem) + let dataShow = dataPriv.get(elem, 'fxshow') + + // Queue-skipping animations hijack the fx hooks + if (!opts.queue) { + hooks = jQuery._queueHooks(elem, 'fx') + if (hooks.unqueued == null) { + hooks.unqueued = 0 + oldfire = hooks.empty.fire + hooks.empty.fire = function () { + if (!hooks.unqueued) { + oldfire() + } + } + } + hooks.unqueued++ + + anim.always(function () { + // Ensure the complete handler is called before this completes + anim.always(function () { + hooks.unqueued-- + if (!jQuery.queue(elem, 'fx').length) { + hooks.empty.fire() + } + }) + }) + } + + // Detect show/hide animations + for (prop in props) { + value = props[prop] + if (rfxtypes.test(value)) { + delete props[prop] + toggle = toggle || value === 'toggle' + if (value === (hidden ? 'hide' : 'show')) { + // Pretend to be hidden if this is a "show" and + // there is still data from a stopped show/hide + if (value === 'show' && dataShow && dataShow[prop] !== undefined) { + hidden = true + + // Ignore all other no-op show/hide data + } else { + continue + } + } + orig[prop] = dataShow && dataShow[prop] || jQuery.style(elem, prop) + } + } + + // Bail out if this is a no-op like .hide().hide() + propTween = !jQuery.isEmptyObject(props) + if (!propTween && jQuery.isEmptyObject(orig)) { + return + } + + // Restrict "overflow" and "display" styles during box animations + if (isBox && elem.nodeType === 1) { + // Support: IE <=9 - 11, Edge 12 - 15 + // Record all 3 overflow attributes because IE does not infer the shorthand + // from identically-valued overflowX and overflowY and Edge just mirrors + // the overflowX value there. + opts.overflow = [style.overflow, style.overflowX, style.overflowY] + + // Identify a display type, preferring old show/hide data over the CSS cascade + restoreDisplay = dataShow && dataShow.display + if (restoreDisplay == null) { + restoreDisplay = dataPriv.get(elem, 'display') + } + display = jQuery.css(elem, 'display') + if (display === 'none') { + if (restoreDisplay) { + display = restoreDisplay + } else { + // Get nonempty value(s) by temporarily forcing visibility + showHide([elem], true) + restoreDisplay = elem.style.display || restoreDisplay + display = jQuery.css(elem, 'display') + showHide([elem]) + } + } + + // Animate inline elements as inline-block + if (display === 'inline' || display === 'inline-block' && restoreDisplay != null) { + if (jQuery.css(elem, 'float') === 'none') { + // Restore the original display value at the end of pure show/hide animations + if (!propTween) { + anim.done(function () { + style.display = restoreDisplay + }) + if (restoreDisplay == null) { + display = style.display + restoreDisplay = display === 'none' ? '' : display + } + } + style.display = 'inline-block' + } + } + } + + if (opts.overflow) { + style.overflow = 'hidden' + anim.always(function () { + style.overflow = opts.overflow[0] + style.overflowX = opts.overflow[1] + style.overflowY = opts.overflow[2] + }) + } + + // Implement show/hide animations + propTween = false + for (prop in orig) { + // General show/hide setup for this element animation + if (!propTween) { + if (dataShow) { + if ('hidden' in dataShow) { + hidden = dataShow.hidden + } + } else { + dataShow = dataPriv.access(elem, 'fxshow', { display: restoreDisplay }) + } + + // Store hidden/visible for toggle so `.stop().toggle()` "reverses" + if (toggle) { + dataShow.hidden = !hidden + } + + // Show elements before animating them + if (hidden) { + showHide([elem], true) + } + + /* eslint-disable no-loop-func */ + + anim.done(function () { + /* eslint-enable no-loop-func */ + + // The final step of a "hide" animation is actually hiding the element + if (!hidden) { + showHide([elem]) + } + dataPriv.remove(elem, 'fxshow') + for (prop in orig) { + jQuery.style(elem, prop, orig[prop]) + } + }) + } + + // Per-property setup + propTween = createTween(hidden ? dataShow[prop] : 0, prop, anim) + if (!(prop in dataShow)) { + dataShow[prop] = propTween.start + if (hidden) { + propTween.end = propTween.start + propTween.start = 0 + } + } + } + } + + function propFilter (props, specialEasing) { + let index, name, easing, value, hooks + + // camelCase, specialEasing and expand cssHook pass + for (index in props) { + name = camelCase(index) + easing = specialEasing[name] + value = props[index] + if (Array.isArray(value)) { + easing = value[1] + value = props[index] = value[0] + } + + if (index !== name) { + props[name] = value + delete props[index] + } + + hooks = jQuery.cssHooks[name] + if (hooks && 'expand' in hooks) { + value = hooks.expand(value) + delete props[name] + + // Not quite $.extend, this won't overwrite existing keys. + // Reusing 'index' because we have the correct "name" + for (index in value) { + if (!(index in props)) { + props[index] = value[index] + specialEasing[index] = easing + } + } + } else { + specialEasing[name] = easing + } + } + } + + function Animation (elem, properties, options) { + let result + let stopped + let index = 0 + const length = Animation.prefilters.length + const deferred = jQuery.Deferred().always(function () { + // Don't match elem in the :animated selector + delete tick.elem + }) + var tick = function () { + if (stopped) { + return false + } + const currentTime = fxNow || createFxNow() + const remaining = Math.max(0, animation.startTime + animation.duration - currentTime) + + // Support: Android 2.3 only + // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) + const temp = remaining / animation.duration || 0 + const percent = 1 - temp + let index = 0 + const length = animation.tweens.length + + for (; index < length; index++) { + animation.tweens[index].run(percent) + } + + deferred.notifyWith(elem, [animation, percent, remaining]) + + // If there's more to do, yield + if (percent < 1 && length) { + return remaining + } + + // If this was an empty animation, synthesize a final progress notification + if (!length) { + deferred.notifyWith(elem, [animation, 1, 0]) + } + + // Resolve the animation and report its conclusion + deferred.resolveWith(elem, [animation]) + return false + } + var animation = deferred.promise({ + elem: elem, + props: jQuery.extend({}, properties), + opts: jQuery.extend(true, { + specialEasing: {}, + easing: jQuery.easing._default + }, options), + originalProperties: properties, + originalOptions: options, + startTime: fxNow || createFxNow(), + duration: options.duration, + tweens: [], + createTween: function (prop, end) { + const tween = jQuery.Tween(elem, animation.opts, prop, end, + animation.opts.specialEasing[prop] || animation.opts.easing) + animation.tweens.push(tween) + return tween + }, + stop: function (gotoEnd) { + let index = 0 + + // If we are going to the end, we want to run all the tweens + // otherwise we skip this part + const length = gotoEnd ? animation.tweens.length : 0 + if (stopped) { + return this + } + stopped = true + for (; index < length; index++) { + animation.tweens[index].run(1) + } + + // Resolve when we played the last frame; otherwise, reject + if (gotoEnd) { + deferred.notifyWith(elem, [animation, 1, 0]) + deferred.resolveWith(elem, [animation, gotoEnd]) + } else { + deferred.rejectWith(elem, [animation, gotoEnd]) + } + return this + } + }) + const props = animation.props + + propFilter(props, animation.opts.specialEasing) + + for (; index < length; index++) { + result = Animation.prefilters[index].call(animation, elem, props, animation.opts) + if (result) { + if (isFunction(result.stop)) { + jQuery._queueHooks(animation.elem, animation.opts.queue).stop = + result.stop.bind(result) + } + return result + } + } + + jQuery.map(props, createTween, animation) + + if (isFunction(animation.opts.start)) { + animation.opts.start.call(elem, animation) + } + + // Attach callbacks from options + animation + .progress(animation.opts.progress) + .done(animation.opts.done, animation.opts.complete) + .fail(animation.opts.fail) + .always(animation.opts.always) + + jQuery.fx.timer( + jQuery.extend(tick, { + elem: elem, + anim: animation, + queue: animation.opts.queue + }) + ) + + return animation + } + + jQuery.Animation = jQuery.extend(Animation, { + + tweeners: { + '*': [function (prop, value) { + const tween = this.createTween(prop, value) + adjustCSS(tween.elem, prop, rcssNum.exec(value), tween) + return tween + }] + }, + + tweener: function (props, callback) { + if (isFunction(props)) { + callback = props + props = ['*'] + } else { + props = props.match(rnothtmlwhite) + } + + let prop + let index = 0 + const length = props.length + + for (; index < length; index++) { + prop = props[index] + Animation.tweeners[prop] = Animation.tweeners[prop] || [] + Animation.tweeners[prop].unshift(callback) + } + }, + + prefilters: [defaultPrefilter], + + prefilter: function (callback, prepend) { + if (prepend) { + Animation.prefilters.unshift(callback) + } else { + Animation.prefilters.push(callback) + } + } + }) + + jQuery.speed = function (speed, easing, fn) { + const opt = speed && typeof speed === 'object' ? jQuery.extend({}, speed) : { + complete: fn || !fn && easing || + isFunction(speed) && speed, + duration: speed, + easing: fn && easing || easing && !isFunction(easing) && easing + } + + // Go to the end state if fx are off + if (jQuery.fx.off) { + opt.duration = 0 + } else { + if (typeof opt.duration !== 'number') { + if (opt.duration in jQuery.fx.speeds) { + opt.duration = jQuery.fx.speeds[opt.duration] + } else { + opt.duration = jQuery.fx.speeds._default + } + } + } + + // Normalize opt.queue - true/undefined/null -> "fx" + if (opt.queue == null || opt.queue === true) { + opt.queue = 'fx' + } + + // Queueing + opt.old = opt.complete + + opt.complete = function () { + if (isFunction(opt.old)) { + opt.old.call(this) + } + + if (opt.queue) { + jQuery.dequeue(this, opt.queue) + } + } + + return opt + } + + jQuery.fn.extend({ + fadeTo: function (speed, to, easing, callback) { + // Show any hidden elements after setting opacity to 0 + return this.filter(isHiddenWithinTree).css('opacity', 0).show() + + // Animate to the value specified + .end().animate({ opacity: to }, speed, easing, callback) + }, + animate: function (prop, speed, easing, callback) { + const empty = jQuery.isEmptyObject(prop) + const optall = jQuery.speed(speed, easing, callback) + const doAnimation = function () { + // Operate on a copy of prop so per-property easing won't be lost + const anim = Animation(this, jQuery.extend({}, prop), optall) + + // Empty animations, or finishing resolves immediately + if (empty || dataPriv.get(this, 'finish')) { + anim.stop(true) + } + } + doAnimation.finish = doAnimation + + return empty || optall.queue === false + ? this.each(doAnimation) + : this.queue(optall.queue, doAnimation) + }, + stop: function (type, clearQueue, gotoEnd) { + const stopQueue = function (hooks) { + const stop = hooks.stop + delete hooks.stop + stop(gotoEnd) + } + + if (typeof type !== 'string') { + gotoEnd = clearQueue + clearQueue = type + type = undefined + } + if (clearQueue && type !== false) { + this.queue(type || 'fx', []) + } + + return this.each(function () { + let dequeue = true + let index = type != null && type + 'queueHooks' + const timers = jQuery.timers + const data = dataPriv.get(this) + + if (index) { + if (data[index] && data[index].stop) { + stopQueue(data[index]) + } + } else { + for (index in data) { + if (data[index] && data[index].stop && rrun.test(index)) { + stopQueue(data[index]) + } + } + } + + for (index = timers.length; index--;) { + if (timers[index].elem === this && + (type == null || timers[index].queue === type)) { + timers[index].anim.stop(gotoEnd) + dequeue = false + timers.splice(index, 1) + } + } + + // Start the next in the queue if the last step wasn't forced. + // Timers currently will call their complete callbacks, which + // will dequeue but only if they were gotoEnd. + if (dequeue || !gotoEnd) { + jQuery.dequeue(this, type) + } + }) + }, + finish: function (type) { + if (type !== false) { + type = type || 'fx' + } + return this.each(function () { + let index + const data = dataPriv.get(this) + const queue = data[type + 'queue'] + const hooks = data[type + 'queueHooks'] + const timers = jQuery.timers + const length = queue ? queue.length : 0 + + // Enable finishing flag on private data + data.finish = true + + // Empty the queue first + jQuery.queue(this, type, []) + + if (hooks && hooks.stop) { + hooks.stop.call(this, true) + } + + // Look for any active animations, and finish them + for (index = timers.length; index--;) { + if (timers[index].elem === this && timers[index].queue === type) { + timers[index].anim.stop(true) + timers.splice(index, 1) + } + } + + // Look for any animations in the old queue and finish them + for (index = 0; index < length; index++) { + if (queue[index] && queue[index].finish) { + queue[index].finish.call(this) + } + } + + // Turn off finishing flag + delete data.finish + }) + } + }) + + jQuery.each(['toggle', 'show', 'hide'], function (i, name) { + const cssFn = jQuery.fn[name] + jQuery.fn[name] = function (speed, easing, callback) { + return speed == null || typeof speed === 'boolean' + ? cssFn.apply(this, arguments) + : this.animate(genFx(name, true), speed, easing, callback) + } + }) + + // Generate shortcuts for custom animations + jQuery.each({ + slideDown: genFx('show'), + slideUp: genFx('hide'), + slideToggle: genFx('toggle'), + fadeIn: { opacity: 'show' }, + fadeOut: { opacity: 'hide' }, + fadeToggle: { opacity: 'toggle' } + }, function (name, props) { + jQuery.fn[name] = function (speed, easing, callback) { + return this.animate(props, speed, easing, callback) + } + }) + + jQuery.timers = [] + jQuery.fx.tick = function () { + let timer + let i = 0 + const timers = jQuery.timers + + fxNow = Date.now() + + for (; i < timers.length; i++) { + timer = timers[i] + + // Run the timer and safely remove it when done (allowing for external removal) + if (!timer() && timers[i] === timer) { + timers.splice(i--, 1) + } + } + + if (!timers.length) { + jQuery.fx.stop() + } + fxNow = undefined + } + + jQuery.fx.timer = function (timer) { + jQuery.timers.push(timer) + jQuery.fx.start() + } + + jQuery.fx.interval = 13 + jQuery.fx.start = function () { + if (inProgress) { + return + } + + inProgress = true + schedule() + } + + jQuery.fx.stop = function () { + inProgress = null + } + + jQuery.fx.speeds = { + slow: 600, + fast: 200, + + // Default speed + _default: 400 + } + + // Based off of the plugin by Clint Helfers, with permission. + // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ + jQuery.fn.delay = function (time, type) { + time = jQuery.fx ? jQuery.fx.speeds[time] || time : time + type = type || 'fx' + + return this.queue(type, function (next, hooks) { + const timeout = window.setTimeout(next, time) + hooks.stop = function () { + window.clearTimeout(timeout) + } + }) + }; + + (function () { + let input = document.createElement('input') + const select = document.createElement('select') + const opt = select.appendChild(document.createElement('option')) + + input.type = 'checkbox' + + // Support: Android <=4.3 only + // Default value for a checkbox should be "on" + support.checkOn = input.value !== '' + + // Support: IE <=11 only + // Must access selectedIndex to make default options select + support.optSelected = opt.selected + + // Support: IE <=11 only + // An input loses its value after becoming a radio + input = document.createElement('input') + input.value = 't' + input.type = 'radio' + support.radioValue = input.value === 't' + })() + + let boolHook + const attrHandle = jQuery.expr.attrHandle + + jQuery.fn.extend({ + attr: function (name, value) { + return access(this, jQuery.attr, name, value, arguments.length > 1) + }, + + removeAttr: function (name) { + return this.each(function () { + jQuery.removeAttr(this, name) + }) + } + }) + + jQuery.extend({ + attr: function (elem, name, value) { + let ret; let hooks + const nType = elem.nodeType + + // Don't get/set attributes on text, comment and attribute nodes + if (nType === 3 || nType === 8 || nType === 2) { + return + } + + // Fallback to prop when attributes are not supported + if (typeof elem.getAttribute === 'undefined') { + return jQuery.prop(elem, name, value) + } + + // Attribute hooks are determined by the lowercase version + // Grab necessary hook if one is defined + if (nType !== 1 || !jQuery.isXMLDoc(elem)) { + hooks = jQuery.attrHooks[name.toLowerCase()] || + (jQuery.expr.match.bool.test(name) ? boolHook : undefined) + } + + if (value !== undefined) { + if (value === null) { + jQuery.removeAttr(elem, name) + return + } + + if (hooks && 'set' in hooks && + (ret = hooks.set(elem, value, name)) !== undefined) { + return ret + } + + elem.setAttribute(name, value + '') + return value + } + + if (hooks && 'get' in hooks && (ret = hooks.get(elem, name)) !== null) { + return ret + } + + ret = jQuery.find.attr(elem, name) + + // Non-existent attributes return null, we normalize to undefined + return ret == null ? undefined : ret + }, + + attrHooks: { + type: { + set: function (elem, value) { + if (!support.radioValue && value === 'radio' && + nodeName(elem, 'input')) { + const val = elem.value + elem.setAttribute('type', value) + if (val) { + elem.value = val + } + return value + } + } + } + }, + + removeAttr: function (elem, value) { + let name + let i = 0 + + // Attribute names can contain non-HTML whitespace characters + // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 + const attrNames = value && value.match(rnothtmlwhite) + + if (attrNames && elem.nodeType === 1) { + while ((name = attrNames[i++])) { + elem.removeAttribute(name) + } + } + } + }) + + // Hooks for boolean attributes + boolHook = { + set: function (elem, value, name) { + if (value === false) { + // Remove boolean attributes when set to false + jQuery.removeAttr(elem, name) + } else { + elem.setAttribute(name, name) + } + return name + } + } + + jQuery.each(jQuery.expr.match.bool.source.match(/\w+/g), function (i, name) { + const getter = attrHandle[name] || jQuery.find.attr + + attrHandle[name] = function (elem, name, isXML) { + let ret; let handle + const lowercaseName = name.toLowerCase() + + if (!isXML) { + // Avoid an infinite loop by temporarily removing this function from the getter + handle = attrHandle[lowercaseName] + attrHandle[lowercaseName] = ret + ret = getter(elem, name, isXML) != null + ? lowercaseName + : null + attrHandle[lowercaseName] = handle + } + return ret + } + }) + + const rfocusable = /^(?:input|select|textarea|button)$/i + const rclickable = /^(?:a|area)$/i + + jQuery.fn.extend({ + prop: function (name, value) { + return access(this, jQuery.prop, name, value, arguments.length > 1) + }, + + removeProp: function (name) { + return this.each(function () { + delete this[jQuery.propFix[name] || name] + }) + } + }) + + jQuery.extend({ + prop: function (elem, name, value) { + let ret; let hooks + const nType = elem.nodeType + + // Don't get/set properties on text, comment and attribute nodes + if (nType === 3 || nType === 8 || nType === 2) { + return + } + + if (nType !== 1 || !jQuery.isXMLDoc(elem)) { + // Fix name and attach hooks + name = jQuery.propFix[name] || name + hooks = jQuery.propHooks[name] + } + + if (value !== undefined) { + if (hooks && 'set' in hooks && + (ret = hooks.set(elem, value, name)) !== undefined) { + return ret + } + + return (elem[name] = value) + } + + if (hooks && 'get' in hooks && (ret = hooks.get(elem, name)) !== null) { + return ret + } + + return elem[name] + }, + + propHooks: { + tabIndex: { + get: function (elem) { + // Support: IE <=9 - 11 only + // elem.tabIndex doesn't always return the + // correct value when it hasn't been explicitly set + // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ + // Use proper attribute retrieval(#12072) + const tabindex = jQuery.find.attr(elem, 'tabindex') + + if (tabindex) { + return parseInt(tabindex, 10) + } + + if ( + rfocusable.test(elem.nodeName) || + rclickable.test(elem.nodeName) && + elem.href + ) { + return 0 + } + + return -1 + } + } + }, + + propFix: { + for: 'htmlFor', + class: 'className' + } + }) + + // Support: IE <=11 only + // Accessing the selectedIndex property + // forces the browser to respect setting selected + // on the option + // The getter ensures a default option is selected + // when in an optgroup + // eslint rule "no-unused-expressions" is disabled for this code + // since it considers such accessions noop + if (!support.optSelected) { + jQuery.propHooks.selected = { + get: function (elem) { + /* eslint no-unused-expressions: "off" */ + + const parent = elem.parentNode + if (parent && parent.parentNode) { + parent.parentNode.selectedIndex + } + return null + }, + set: function (elem) { + /* eslint no-unused-expressions: "off" */ + + const parent = elem.parentNode + if (parent) { + parent.selectedIndex + + if (parent.parentNode) { + parent.parentNode.selectedIndex + } + } + } + } + } + + jQuery.each([ + 'tabIndex', + 'readOnly', + 'maxLength', + 'cellSpacing', + 'cellPadding', + 'rowSpan', + 'colSpan', + 'useMap', + 'frameBorder', + 'contentEditable' + ], function () { + jQuery.propFix[this.toLowerCase()] = this + }) + + // Strip and collapse whitespace according to HTML spec + // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace + function stripAndCollapse (value) { + const tokens = value.match(rnothtmlwhite) || [] + return tokens.join(' ') + } + + function getClass (elem) { + return elem.getAttribute && elem.getAttribute('class') || '' + } + + function classesToArray (value) { + if (Array.isArray(value)) { + return value + } + if (typeof value === 'string') { + return value.match(rnothtmlwhite) || [] + } + return [] + } + + jQuery.fn.extend({ + addClass: function (value) { + let classes; let elem; let cur; let curValue; let clazz; let j; let finalValue + let i = 0 + + if (isFunction(value)) { + return this.each(function (j) { + jQuery(this).addClass(value.call(this, j, getClass(this))) + }) + } + + classes = classesToArray(value) + + if (classes.length) { + while ((elem = this[i++])) { + curValue = getClass(elem) + cur = elem.nodeType === 1 && (' ' + stripAndCollapse(curValue) + ' ') + + if (cur) { + j = 0 + while ((clazz = classes[j++])) { + if (cur.indexOf(' ' + clazz + ' ') < 0) { + cur += clazz + ' ' + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse(cur) + if (curValue !== finalValue) { + elem.setAttribute('class', finalValue) + } + } + } + } + + return this + }, + + removeClass: function (value) { + let classes; let elem; let cur; let curValue; let clazz; let j; let finalValue + let i = 0 + + if (isFunction(value)) { + return this.each(function (j) { + jQuery(this).removeClass(value.call(this, j, getClass(this))) + }) + } + + if (!arguments.length) { + return this.attr('class', '') + } + + classes = classesToArray(value) + + if (classes.length) { + while ((elem = this[i++])) { + curValue = getClass(elem) + + // This expression is here for better compressibility (see addClass) + cur = elem.nodeType === 1 && (' ' + stripAndCollapse(curValue) + ' ') + + if (cur) { + j = 0 + while ((clazz = classes[j++])) { + // Remove *all* instances + while (cur.indexOf(' ' + clazz + ' ') > -1) { + cur = cur.replace(' ' + clazz + ' ', ' ') + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse(cur) + if (curValue !== finalValue) { + elem.setAttribute('class', finalValue) + } + } + } + } + + return this + }, + + toggleClass: function (value, stateVal) { + const type = typeof value + const isValidValue = type === 'string' || Array.isArray(value) + + if (typeof stateVal === 'boolean' && isValidValue) { + return stateVal ? this.addClass(value) : this.removeClass(value) + } + + if (isFunction(value)) { + return this.each(function (i) { + jQuery(this).toggleClass( + value.call(this, i, getClass(this), stateVal), + stateVal + ) + }) + } + + return this.each(function () { + let className, i, self, classNames + + if (isValidValue) { + // Toggle individual class names + i = 0 + self = jQuery(this) + classNames = classesToArray(value) + + while ((className = classNames[i++])) { + // Check each className given, space separated list + if (self.hasClass(className)) { + self.removeClass(className) + } else { + self.addClass(className) + } + } + + // Toggle whole class name + } else if (value === undefined || type === 'boolean') { + className = getClass(this) + if (className) { + // Store className if set + dataPriv.set(this, '__className__', className) + } + + // If the element has a class name or if we're passed `false`, + // then remove the whole classname (if there was one, the above saved it). + // Otherwise bring back whatever was previously saved (if anything), + // falling back to the empty string if nothing was stored. + if (this.setAttribute) { + this.setAttribute('class', + className || value === false + ? '' + : dataPriv.get(this, '__className__') || '' + ) + } + } + }) + }, + + hasClass: function (selector) { + let className; let elem + let i = 0 + + className = ' ' + selector + ' ' + while ((elem = this[i++])) { + if (elem.nodeType === 1 && + (' ' + stripAndCollapse(getClass(elem)) + ' ').indexOf(className) > -1) { + return true + } + } + + return false + } + }) + + const rreturn = /\r/g + + jQuery.fn.extend({ + val: function (value) { + let hooks; let ret; let valueIsFunction + const elem = this[0] + + if (!arguments.length) { + if (elem) { + hooks = jQuery.valHooks[elem.type] || + jQuery.valHooks[elem.nodeName.toLowerCase()] + + if (hooks && + 'get' in hooks && + (ret = hooks.get(elem, 'value')) !== undefined + ) { + return ret + } + + ret = elem.value + + // Handle most common string cases + if (typeof ret === 'string') { + return ret.replace(rreturn, '') + } + + // Handle cases where value is null/undef or number + return ret == null ? '' : ret + } + + return + } + + valueIsFunction = isFunction(value) + + return this.each(function (i) { + let val + + if (this.nodeType !== 1) { + return + } + + if (valueIsFunction) { + val = value.call(this, i, jQuery(this).val()) + } else { + val = value + } + + // Treat null/undefined as ""; convert numbers to string + if (val == null) { + val = '' + } else if (typeof val === 'number') { + val += '' + } else if (Array.isArray(val)) { + val = jQuery.map(val, function (value) { + return value == null ? '' : value + '' + }) + } + + hooks = jQuery.valHooks[this.type] || jQuery.valHooks[this.nodeName.toLowerCase()] + + // If set returns undefined, fall back to normal setting + if (!hooks || !('set' in hooks) || hooks.set(this, val, 'value') === undefined) { + this.value = val + } + }) + } + }) + + jQuery.extend({ + valHooks: { + option: { + get: function (elem) { + const val = jQuery.find.attr(elem, 'value') + return val != null + ? val + + // Support: IE <=10 - 11 only + // option.text throws exceptions (#14686, #14858) + // Strip and collapse whitespace + // https://html.spec.whatwg.org/#strip-and-collapse-whitespace + : stripAndCollapse(jQuery.text(elem)) + } + }, + select: { + get: function (elem) { + let value; let option; let i + const options = elem.options + const index = elem.selectedIndex + const one = elem.type === 'select-one' + const values = one ? null : [] + const max = one ? index + 1 : options.length + + if (index < 0) { + i = max + } else { + i = one ? index : 0 + } + + // Loop through all the selected options + for (; i < max; i++) { + option = options[i] + + // Support: IE <=9 only + // IE8-9 doesn't update selected after form reset (#2551) + if ((option.selected || i === index) && + + // Don't return options that are disabled or in a disabled optgroup + !option.disabled && + (!option.parentNode.disabled || + !nodeName(option.parentNode, 'optgroup'))) { + // Get the specific value for the option + value = jQuery(option).val() + + // We don't need an array for one selects + if (one) { + return value + } + + // Multi-Selects return an array + values.push(value) + } + } + + return values + }, + + set: function (elem, value) { + let optionSet; let option + const options = elem.options + const values = jQuery.makeArray(value) + let i = options.length + + while (i--) { + option = options[i] + + /* eslint-disable no-cond-assign */ + + if (option.selected = + jQuery.inArray(jQuery.valHooks.option.get(option), values) > -1 + ) { + optionSet = true + } + + /* eslint-enable no-cond-assign */ + } + + // Force browsers to behave consistently when non-matching value is set + if (!optionSet) { + elem.selectedIndex = -1 + } + return values + } + } + } + }) + + // Radios and checkboxes getter/setter + jQuery.each(['radio', 'checkbox'], function () { + jQuery.valHooks[this] = { + set: function (elem, value) { + if (Array.isArray(value)) { + return (elem.checked = jQuery.inArray(jQuery(elem).val(), value) > -1) + } + } + } + if (!support.checkOn) { + jQuery.valHooks[this].get = function (elem) { + return elem.getAttribute('value') === null ? 'on' : elem.value + } + } + }) + + // Return jQuery for attributes-only inclusion + + support.focusin = 'onfocusin' in window + + const rfocusMorph = /^(?:focusinfocus|focusoutblur)$/ + const stopPropagationCallback = function (e) { + e.stopPropagation() + } + + jQuery.extend(jQuery.event, { + + trigger: function (event, data, elem, onlyHandlers) { + let i; let cur; let tmp; let bubbleType; let ontype; let handle; let special; let lastElement + const eventPath = [elem || document] + let type = hasOwn.call(event, 'type') ? event.type : event + let namespaces = hasOwn.call(event, 'namespace') ? event.namespace.split('.') : [] + + cur = lastElement = tmp = elem = elem || document + + // Don't do events on text and comment nodes + if (elem.nodeType === 3 || elem.nodeType === 8) { + return + } + + // focus/blur morphs to focusin/out; ensure we're not firing them right now + if (rfocusMorph.test(type + jQuery.event.triggered)) { + return + } + + if (type.indexOf('.') > -1) { + // Namespaced trigger; create a regexp to match event type in handle() + namespaces = type.split('.') + type = namespaces.shift() + namespaces.sort() + } + ontype = type.indexOf(':') < 0 && 'on' + type + + // Caller can pass in a jQuery.Event object, Object, or just an event type string + event = event[jQuery.expando] + ? event + : new jQuery.Event(type, typeof event === 'object' && event) + + // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) + event.isTrigger = onlyHandlers ? 2 : 3 + event.namespace = namespaces.join('.') + event.rnamespace = event.namespace + ? new RegExp('(^|\\.)' + namespaces.join('\\.(?:.*\\.|)') + '(\\.|$)') + : null + + // Clean up the event in case it is being reused + event.result = undefined + if (!event.target) { + event.target = elem + } + + // Clone any incoming data and prepend the event, creating the handler arg list + data = data == null + ? [event] + : jQuery.makeArray(data, [event]) + + // Allow special events to draw outside the lines + special = jQuery.event.special[type] || {} + if (!onlyHandlers && special.trigger && special.trigger.apply(elem, data) === false) { + return + } + + // Determine event propagation path in advance, per W3C events spec (#9951) + // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) + if (!onlyHandlers && !special.noBubble && !isWindow(elem)) { + bubbleType = special.delegateType || type + if (!rfocusMorph.test(bubbleType + type)) { + cur = cur.parentNode + } + for (; cur; cur = cur.parentNode) { + eventPath.push(cur) + tmp = cur + } + + // Only add window if we got to document (e.g., not plain obj or detached DOM) + if (tmp === (elem.ownerDocument || document)) { + eventPath.push(tmp.defaultView || tmp.parentWindow || window) + } + } + + // Fire handlers on the event path + i = 0 + while ((cur = eventPath[i++]) && !event.isPropagationStopped()) { + lastElement = cur + event.type = i > 1 + ? bubbleType + : special.bindType || type + + // jQuery handler + handle = (dataPriv.get(cur, 'events') || {})[event.type] && + dataPriv.get(cur, 'handle') + if (handle) { + handle.apply(cur, data) + } + + // Native handler + handle = ontype && cur[ontype] + if (handle && handle.apply && acceptData(cur)) { + event.result = handle.apply(cur, data) + if (event.result === false) { + event.preventDefault() + } + } + } + event.type = type + + // If nobody prevented the default action, do it now + if (!onlyHandlers && !event.isDefaultPrevented()) { + if ((!special._default || + special._default.apply(eventPath.pop(), data) === false) && + acceptData(elem)) { + // Call a native DOM method on the target with the same name as the event. + // Don't do default actions on window, that's where global variables be (#6170) + if (ontype && isFunction(elem[type]) && !isWindow(elem)) { + // Don't re-trigger an onFOO event when we call its FOO() method + tmp = elem[ontype] + + if (tmp) { + elem[ontype] = null + } + + // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered = type + + if (event.isPropagationStopped()) { + lastElement.addEventListener(type, stopPropagationCallback) + } + + elem[type]() + + if (event.isPropagationStopped()) { + lastElement.removeEventListener(type, stopPropagationCallback) + } + + jQuery.event.triggered = undefined + + if (tmp) { + elem[ontype] = tmp + } + } + } + } + + return event.result + }, + + // Piggyback on a donor event to simulate a different one + // Used only for `focus(in | out)` events + simulate: function (type, elem, event) { + const e = jQuery.extend( + new jQuery.Event(), + event, + { + type: type, + isSimulated: true + } + ) + + jQuery.event.trigger(e, null, elem) + } + + }) + + jQuery.fn.extend({ + + trigger: function (type, data) { + return this.each(function () { + jQuery.event.trigger(type, data, this) + }) + }, + triggerHandler: function (type, data) { + const elem = this[0] + if (elem) { + return jQuery.event.trigger(type, data, elem, true) + } + } + }) + + // Support: Firefox <=44 + // Firefox doesn't have focus(in | out) events + // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 + // + // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 + // focus(in | out) events fire after focus & blur events, + // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order + // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 + if (!support.focusin) { + jQuery.each({ focus: 'focusin', blur: 'focusout' }, function (orig, fix) { + // Attach a single capturing handler on the document while someone wants focusin/focusout + const handler = function (event) { + jQuery.event.simulate(fix, event.target, jQuery.event.fix(event)) + } + + jQuery.event.special[fix] = { + setup: function () { + const doc = this.ownerDocument || this + const attaches = dataPriv.access(doc, fix) + + if (!attaches) { + doc.addEventListener(orig, handler, true) + } + dataPriv.access(doc, fix, (attaches || 0) + 1) + }, + teardown: function () { + const doc = this.ownerDocument || this + const attaches = dataPriv.access(doc, fix) - 1 + + if (!attaches) { + doc.removeEventListener(orig, handler, true) + dataPriv.remove(doc, fix) + } else { + dataPriv.access(doc, fix, attaches) + } + } + } + }) + } + const location = window.location + + let nonce = Date.now() + + const rquery = (/\?/) + + // Cross-browser xml parsing + jQuery.parseXML = function (data) { + let xml + if (!data || typeof data !== 'string') { + return null + } + + // Support: IE 9 - 11 only + // IE throws on parseFromString with invalid input. + try { + xml = (new window.DOMParser()).parseFromString(data, 'text/xml') + } catch (e) { + xml = undefined + } + + if (!xml || xml.getElementsByTagName('parsererror').length) { + jQuery.error('Invalid XML: ' + data) + } + return xml + } + + const + rbracket = /\[\]$/ + const rCRLF = /\r?\n/g + const rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i + const rsubmittable = /^(?:input|select|textarea|keygen)/i + + function buildParams (prefix, obj, traditional, add) { + let name + + if (Array.isArray(obj)) { + // Serialize array item. + jQuery.each(obj, function (i, v) { + if (traditional || rbracket.test(prefix)) { + // Treat each array item as a scalar. + add(prefix, v) + } else { + // Item is non-scalar (array or object), encode its numeric index. + buildParams( + prefix + '[' + (typeof v === 'object' && v != null ? i : '') + ']', + v, + traditional, + add + ) + } + }) + } else if (!traditional && toType(obj) === 'object') { + // Serialize object item. + for (name in obj) { + buildParams(prefix + '[' + name + ']', obj[name], traditional, add) + } + } else { + // Serialize scalar item. + add(prefix, obj) + } + } + + // Serialize an array of form elements or a set of + // key/values into a query string + jQuery.param = function (a, traditional) { + let prefix + const s = [] + const add = function (key, valueOrFunction) { + // If value is a function, invoke it and use its return value + const value = isFunction(valueOrFunction) + ? valueOrFunction() + : valueOrFunction + + s[s.length] = encodeURIComponent(key) + '=' + + encodeURIComponent(value == null ? '' : value) + } + + if (a == null) { + return '' + } + + // If an array was passed in, assume that it is an array of form elements. + if (Array.isArray(a) || (a.jquery && !jQuery.isPlainObject(a))) { + // Serialize the form elements + jQuery.each(a, function () { + add(this.name, this.value) + }) + } else { + // If traditional, encode the "old" way (the way 1.3.2 or older + // did it), otherwise encode params recursively. + for (prefix in a) { + buildParams(prefix, a[prefix], traditional, add) + } + } + + // Return the resulting serialization + return s.join('&') + } + + jQuery.fn.extend({ + serialize: function () { + return jQuery.param(this.serializeArray()) + }, + serializeArray: function () { + return this.map(function () { + // Can add propHook for "elements" to filter or add form elements + const elements = jQuery.prop(this, 'elements') + return elements ? jQuery.makeArray(elements) : this + }) + .filter(function () { + const type = this.type + + // Use .is( ":disabled" ) so that fieldset[disabled] works + return this.name && !jQuery(this).is(':disabled') && + rsubmittable.test(this.nodeName) && !rsubmitterTypes.test(type) && + (this.checked || !rcheckableType.test(type)) + }) + .map(function (i, elem) { + const val = jQuery(this).val() + + if (val == null) { + return null + } + + if (Array.isArray(val)) { + return jQuery.map(val, function (val) { + return { name: elem.name, value: val.replace(rCRLF, '\r\n') } + }) + } + + return { name: elem.name, value: val.replace(rCRLF, '\r\n') } + }).get() + } + }) + + const + r20 = /%20/g + const rhash = /#.*$/ + const rantiCache = /([?&])_=[^&]*/ + const rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg + + // #7653, #8125, #8152: local protocol detection + const rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/ + const rnoContent = /^(?:GET|HEAD)$/ + const rprotocol = /^\/\// + + /* Prefilters + * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) + * 2) These are called: + * - BEFORE asking for a transport + * - AFTER param serialization (s.data is a string if s.processData is true) + * 3) key is the dataType + * 4) the catchall symbol "*" can be used + * 5) execution will start with transport dataType and THEN continue down to "*" if needed + */ + const prefilters = {} + + /* Transports bindings + * 1) key is the dataType + * 2) the catchall symbol "*" can be used + * 3) selection will start with transport dataType and THEN go to "*" if needed + */ + const transports = {} + + // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression + const allTypes = '*/'.concat('*') + + // Anchor tag for parsing the document origin + const originAnchor = document.createElement('a') + originAnchor.href = location.href + + // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport + function addToPrefiltersOrTransports (structure) { + // dataTypeExpression is optional and defaults to "*" + return function (dataTypeExpression, func) { + if (typeof dataTypeExpression !== 'string') { + func = dataTypeExpression + dataTypeExpression = '*' + } + + let dataType + let i = 0 + const dataTypes = dataTypeExpression.toLowerCase().match(rnothtmlwhite) || [] + + if (isFunction(func)) { + // For each dataType in the dataTypeExpression + while ((dataType = dataTypes[i++])) { + // Prepend if requested + if (dataType[0] === '+') { + dataType = dataType.slice(1) || '*'; + (structure[dataType] = structure[dataType] || []).unshift(func) + + // Otherwise append + } else { + (structure[dataType] = structure[dataType] || []).push(func) + } + } + } + } + } + + // Base inspection function for prefilters and transports + function inspectPrefiltersOrTransports (structure, options, originalOptions, jqXHR) { + const inspected = {} + const seekingTransport = (structure === transports) + + function inspect (dataType) { + let selected + inspected[dataType] = true + jQuery.each(structure[dataType] || [], function (_, prefilterOrFactory) { + const dataTypeOrTransport = prefilterOrFactory(options, originalOptions, jqXHR) + if (typeof dataTypeOrTransport === 'string' && + !seekingTransport && !inspected[dataTypeOrTransport]) { + options.dataTypes.unshift(dataTypeOrTransport) + inspect(dataTypeOrTransport) + return false + } else if (seekingTransport) { + return !(selected = dataTypeOrTransport) + } + }) + return selected + } + + return inspect(options.dataTypes[0]) || !inspected['*'] && inspect('*') + } + + // A special extend for ajax options + // that takes "flat" options (not to be deep extended) + // Fixes #9887 + function ajaxExtend (target, src) { + let key; let deep + const flatOptions = jQuery.ajaxSettings.flatOptions || {} + + for (key in src) { + if (src[key] !== undefined) { + (flatOptions[key] ? target : (deep || (deep = {})))[key] = src[key] + } + } + if (deep) { + jQuery.extend(true, target, deep) + } + + return target + } + + /* Handles responses to an ajax request: + * - finds the right dataType (mediates between content-type and expected dataType) + * - returns the corresponding response + */ + function ajaxHandleResponses (s, jqXHR, responses) { + let ct; let type; let finalDataType; let firstDataType + const contents = s.contents + const dataTypes = s.dataTypes + + // Remove auto dataType and get content-type in the process + while (dataTypes[0] === '*') { + dataTypes.shift() + if (ct === undefined) { + ct = s.mimeType || jqXHR.getResponseHeader('Content-Type') + } + } + + // Check if we're dealing with a known content-type + if (ct) { + for (type in contents) { + if (contents[type] && contents[type].test(ct)) { + dataTypes.unshift(type) + break + } + } + } + + // Check to see if we have a response for the expected dataType + if (dataTypes[0] in responses) { + finalDataType = dataTypes[0] + } else { + // Try convertible dataTypes + for (type in responses) { + if (!dataTypes[0] || s.converters[type + ' ' + dataTypes[0]]) { + finalDataType = type + break + } + if (!firstDataType) { + firstDataType = type + } + } + + // Or just use first one + finalDataType = finalDataType || firstDataType + } + + // If we found a dataType + // We add the dataType to the list if needed + // and return the corresponding response + if (finalDataType) { + if (finalDataType !== dataTypes[0]) { + dataTypes.unshift(finalDataType) + } + return responses[finalDataType] + } + } + + /* Chain conversions given the request and the original response + * Also sets the responseXXX fields on the jqXHR instance + */ + function ajaxConvert (s, response, jqXHR, isSuccess) { + let conv2; let current; let conv; let tmp; let prev + const converters = {} + + // Work with a copy of dataTypes in case we need to modify it for conversion + const dataTypes = s.dataTypes.slice() + + // Create converters map with lowercased keys + if (dataTypes[1]) { + for (conv in s.converters) { + converters[conv.toLowerCase()] = s.converters[conv] + } + } + + current = dataTypes.shift() + + // Convert to each sequential dataType + while (current) { + if (s.responseFields[current]) { + jqXHR[s.responseFields[current]] = response + } + + // Apply the dataFilter if provided + if (!prev && isSuccess && s.dataFilter) { + response = s.dataFilter(response, s.dataType) + } + + prev = current + current = dataTypes.shift() + + if (current) { + // There's only work to do if current dataType is non-auto + if (current === '*') { + current = prev + + // Convert response if prev dataType is non-auto and differs from current + } else if (prev !== '*' && prev !== current) { + // Seek a direct converter + conv = converters[prev + ' ' + current] || converters['* ' + current] + + // If none found, seek a pair + if (!conv) { + for (conv2 in converters) { + // If conv2 outputs current + tmp = conv2.split(' ') + if (tmp[1] === current) { + // If prev can be converted to accepted input + conv = converters[prev + ' ' + tmp[0]] || + converters['* ' + tmp[0]] + if (conv) { + // Condense equivalence converters + if (conv === true) { + conv = converters[conv2] + + // Otherwise, insert the intermediate dataType + } else if (converters[conv2] !== true) { + current = tmp[0] + dataTypes.unshift(tmp[1]) + } + break + } + } + } + } + + // Apply converter (if not an equivalence) + if (conv !== true) { + // Unless errors are allowed to bubble, catch and return them + if (conv && s.throws) { + response = conv(response) + } else { + try { + response = conv(response) + } catch (e) { + return { + state: 'parsererror', + error: conv ? e : 'No conversion from ' + prev + ' to ' + current + } + } + } + } + } + } + } + + return { state: 'success', data: response } + } + + jQuery.extend({ + + // Counter for holding the number of active queries + active: 0, + + // Last-Modified header cache for next request + lastModified: {}, + etag: {}, + + ajaxSettings: { + url: location.href, + type: 'GET', + isLocal: rlocalProtocol.test(location.protocol), + global: true, + processData: true, + async: true, + contentType: 'application/x-www-form-urlencoded; charset=UTF-8', + + /* + timeout: 0, + data: null, + dataType: null, + username: null, + password: null, + cache: null, + throws: false, + traditional: false, + headers: {}, + */ + + accepts: { + '*': allTypes, + text: 'text/plain', + html: 'text/html', + xml: 'application/xml, text/xml', + json: 'application/json, text/javascript' + }, + + contents: { + xml: /\bxml\b/, + html: /\bhtml/, + json: /\bjson\b/ + }, + + responseFields: { + xml: 'responseXML', + text: 'responseText', + json: 'responseJSON' + }, + + // Data converters + // Keys separate source (or catchall "*") and destination types with a single space + converters: { + + // Convert anything to text + '* text': String, + + // Text to html (true = no transformation) + 'text html': true, + + // Evaluate text as a json expression + 'text json': JSON.parse, + + // Parse text as xml + 'text xml': jQuery.parseXML + }, + + // For options that shouldn't be deep extended: + // you can add your own custom options here if + // and when you create one that shouldn't be + // deep extended (see ajaxExtend) + flatOptions: { + url: true, + context: true + } + }, + + // Creates a full fledged settings object into target + // with both ajaxSettings and settings fields. + // If target is omitted, writes into ajaxSettings. + ajaxSetup: function (target, settings) { + return settings + + // Building a settings object + ? ajaxExtend(ajaxExtend(target, jQuery.ajaxSettings), settings) + + // Extending ajaxSettings + : ajaxExtend(jQuery.ajaxSettings, target) + }, + + ajaxPrefilter: addToPrefiltersOrTransports(prefilters), + ajaxTransport: addToPrefiltersOrTransports(transports), + + // Main method + ajax: function (url, options) { + // If url is an object, simulate pre-1.5 signature + if (typeof url === 'object') { + options = url + url = undefined + } + + // Force options to be an object + options = options || {} + + let transport + + // URL without anti-cache param + let cacheURL + + // Response headers + let responseHeadersString + let responseHeaders + + // timeout handle + let timeoutTimer + + // Url cleanup var + let urlAnchor + + // Request state (becomes false upon send and true upon completion) + let completed + + // To know if global events are to be dispatched + let fireGlobals + + // Loop variable + let i + + // uncached part of the url + let uncached + + // Create the final options object + const s = jQuery.ajaxSetup({}, options) + + // Callbacks context + const callbackContext = s.context || s + + // Context for global events is callbackContext if it is a DOM node or jQuery collection + const globalEventContext = s.context && + (callbackContext.nodeType || callbackContext.jquery) + ? jQuery(callbackContext) + : jQuery.event + + // Deferreds + const deferred = jQuery.Deferred() + const completeDeferred = jQuery.Callbacks('once memory') + + // Status-dependent callbacks + let statusCode = s.statusCode || {} + + // Headers (they are sent all at once) + const requestHeaders = {} + const requestHeadersNames = {} + + // Default abort message + let strAbort = 'canceled' + + // Fake xhr + var jqXHR = { + readyState: 0, + + // Builds headers hashtable if needed + getResponseHeader: function (key) { + let match + if (completed) { + if (!responseHeaders) { + responseHeaders = {} + while ((match = rheaders.exec(responseHeadersString))) { + responseHeaders[match[1].toLowerCase() + ' '] = + (responseHeaders[match[1].toLowerCase() + ' '] || []) + .concat(match[2]) + } + } + match = responseHeaders[key.toLowerCase() + ' '] + } + return match == null ? null : match.join(', ') + }, + + // Raw string + getAllResponseHeaders: function () { + return completed ? responseHeadersString : null + }, + + // Caches the header + setRequestHeader: function (name, value) { + if (completed == null) { + name = requestHeadersNames[name.toLowerCase()] = + requestHeadersNames[name.toLowerCase()] || name + requestHeaders[name] = value + } + return this + }, + + // Overrides response content-type header + overrideMimeType: function (type) { + if (completed == null) { + s.mimeType = type + } + return this + }, + + // Status-dependent callbacks + statusCode: function (map) { + let code + if (map) { + if (completed) { + // Execute the appropriate callbacks + jqXHR.always(map[jqXHR.status]) + } else { + // Lazy-add the new callbacks in a way that preserves old ones + for (code in map) { + statusCode[code] = [statusCode[code], map[code]] + } + } + } + return this + }, + + // Cancel the request + abort: function (statusText) { + const finalText = statusText || strAbort + if (transport) { + transport.abort(finalText) + } + done(0, finalText) + return this + } + } + + // Attach deferreds + deferred.promise(jqXHR) + + // Add protocol if not provided (prefilters might expect it) + // Handle falsy url in the settings object (#10093: consistency with old signature) + // We also use the url parameter if available + s.url = ((url || s.url || location.href) + '') + .replace(rprotocol, location.protocol + '//') + + // Alias method option to type as per ticket #12004 + s.type = options.method || options.type || s.method || s.type + + // Extract dataTypes list + s.dataTypes = (s.dataType || '*').toLowerCase().match(rnothtmlwhite) || [''] + + // A cross-domain request is in order when the origin doesn't match the current origin. + if (s.crossDomain == null) { + urlAnchor = document.createElement('a') + + // Support: IE <=8 - 11, Edge 12 - 15 + // IE throws exception on accessing the href property if url is malformed, + // e.g. http://example.com:80x/ + try { + urlAnchor.href = s.url + + // Support: IE <=8 - 11 only + // Anchor's host property isn't correctly set when s.url is relative + urlAnchor.href = urlAnchor.href + s.crossDomain = originAnchor.protocol + '//' + originAnchor.host !== + urlAnchor.protocol + '//' + urlAnchor.host + } catch (e) { + // If there is an error parsing the URL, assume it is crossDomain, + // it can be rejected by the transport if it is invalid + s.crossDomain = true + } + } + + // Convert data if not already a string + if (s.data && s.processData && typeof s.data !== 'string') { + s.data = jQuery.param(s.data, s.traditional) + } + + // Apply prefilters + inspectPrefiltersOrTransports(prefilters, s, options, jqXHR) + + // If request was aborted inside a prefilter, stop there + if (completed) { + return jqXHR + } + + // We can fire global events as of now if asked to + // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) + fireGlobals = jQuery.event && s.global + + // Watch for a new set of requests + if (fireGlobals && jQuery.active++ === 0) { + jQuery.event.trigger('ajaxStart') + } + + // Uppercase the type + s.type = s.type.toUpperCase() + + // Determine if request has content + s.hasContent = !rnoContent.test(s.type) + + // Save the URL in case we're toying with the If-Modified-Since + // and/or If-None-Match header later on + // Remove hash to simplify url manipulation + cacheURL = s.url.replace(rhash, '') + + // More options handling for requests with no content + if (!s.hasContent) { + // Remember the hash so we can put it back + uncached = s.url.slice(cacheURL.length) + + // If data is available and should be processed, append data to url + if (s.data && (s.processData || typeof s.data === 'string')) { + cacheURL += (rquery.test(cacheURL) ? '&' : '?') + s.data + + // #9682: remove data so that it's not used in an eventual retry + delete s.data + } + + // Add or update anti-cache param if needed + if (s.cache === false) { + cacheURL = cacheURL.replace(rantiCache, '$1') + uncached = (rquery.test(cacheURL) ? '&' : '?') + '_=' + (nonce++) + uncached + } + + // Put hash and anti-cache on the URL that will be requested (gh-1732) + s.url = cacheURL + uncached + + // Change '%20' to '+' if this is encoded form body content (gh-2658) + } else if (s.data && s.processData && + (s.contentType || '').indexOf('application/x-www-form-urlencoded') === 0) { + s.data = s.data.replace(r20, '+') + } + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if (s.ifModified) { + if (jQuery.lastModified[cacheURL]) { + jqXHR.setRequestHeader('If-Modified-Since', jQuery.lastModified[cacheURL]) + } + if (jQuery.etag[cacheURL]) { + jqXHR.setRequestHeader('If-None-Match', jQuery.etag[cacheURL]) + } + } + + // Set the correct header, if data is being sent + if (s.data && s.hasContent && s.contentType !== false || options.contentType) { + jqXHR.setRequestHeader('Content-Type', s.contentType) + } + + // Set the Accepts header for the server, depending on the dataType + jqXHR.setRequestHeader( + 'Accept', + s.dataTypes[0] && s.accepts[s.dataTypes[0]] + ? s.accepts[s.dataTypes[0]] + + (s.dataTypes[0] !== '*' ? ', ' + allTypes + '; q=0.01' : '') + : s.accepts['*'] + ) + + // Check for headers option + for (i in s.headers) { + jqXHR.setRequestHeader(i, s.headers[i]) + } + + // Allow custom headers/mimetypes and early abort + if (s.beforeSend && + (s.beforeSend.call(callbackContext, jqXHR, s) === false || completed)) { + // Abort if not done already and return + return jqXHR.abort() + } + + // Aborting is no longer a cancellation + strAbort = 'abort' + + // Install callbacks on deferreds + completeDeferred.add(s.complete) + jqXHR.done(s.success) + jqXHR.fail(s.error) + + // Get transport + transport = inspectPrefiltersOrTransports(transports, s, options, jqXHR) + + // If no transport, we auto-abort + if (!transport) { + done(-1, 'No Transport') + } else { + jqXHR.readyState = 1 + + // Send global event + if (fireGlobals) { + globalEventContext.trigger('ajaxSend', [jqXHR, s]) + } + + // If request was aborted inside ajaxSend, stop there + if (completed) { + return jqXHR + } + + // Timeout + if (s.async && s.timeout > 0) { + timeoutTimer = window.setTimeout(function () { + jqXHR.abort('timeout') + }, s.timeout) + } + + try { + completed = false + transport.send(requestHeaders, done) + } catch (e) { + // Rethrow post-completion exceptions + if (completed) { + throw e + } + + // Propagate others as results + done(-1, e) + } + } + + // Callback for when everything is done + function done (status, nativeStatusText, responses, headers) { + let isSuccess; let success; let error; let response; let modified + let statusText = nativeStatusText + + // Ignore repeat invocations + if (completed) { + return + } + + completed = true + + // Clear timeout if it exists + if (timeoutTimer) { + window.clearTimeout(timeoutTimer) + } + + // Dereference transport for early garbage collection + // (no matter how long the jqXHR object will be used) + transport = undefined + + // Cache response headers + responseHeadersString = headers || '' + + // Set readyState + jqXHR.readyState = status > 0 ? 4 : 0 + + // Determine if successful + isSuccess = status >= 200 && status < 300 || status === 304 + + // Get response data + if (responses) { + response = ajaxHandleResponses(s, jqXHR, responses) + } + + // Convert no matter what (that way responseXXX fields are always set) + response = ajaxConvert(s, response, jqXHR, isSuccess) + + // If successful, handle type chaining + if (isSuccess) { + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if (s.ifModified) { + modified = jqXHR.getResponseHeader('Last-Modified') + if (modified) { + jQuery.lastModified[cacheURL] = modified + } + modified = jqXHR.getResponseHeader('etag') + if (modified) { + jQuery.etag[cacheURL] = modified + } + } + + // if no content + if (status === 204 || s.type === 'HEAD') { + statusText = 'nocontent' + + // if not modified + } else if (status === 304) { + statusText = 'notmodified' + + // If we have data, let's convert it + } else { + statusText = response.state + success = response.data + error = response.error + isSuccess = !error + } + } else { + // Extract error from statusText and normalize for non-aborts + error = statusText + if (status || !statusText) { + statusText = 'error' + if (status < 0) { + status = 0 + } + } + } + + // Set data for the fake xhr object + jqXHR.status = status + jqXHR.statusText = (nativeStatusText || statusText) + '' + + // Success/Error + if (isSuccess) { + deferred.resolveWith(callbackContext, [success, statusText, jqXHR]) + } else { + deferred.rejectWith(callbackContext, [jqXHR, statusText, error]) + } + + // Status-dependent callbacks + jqXHR.statusCode(statusCode) + statusCode = undefined + + if (fireGlobals) { + globalEventContext.trigger(isSuccess ? 'ajaxSuccess' : 'ajaxError', + [jqXHR, s, isSuccess ? success : error]) + } + + // Complete + completeDeferred.fireWith(callbackContext, [jqXHR, statusText]) + + if (fireGlobals) { + globalEventContext.trigger('ajaxComplete', [jqXHR, s]) + + // Handle the global AJAX counter + if (!(--jQuery.active)) { + jQuery.event.trigger('ajaxStop') + } + } + } + + return jqXHR + }, + + getJSON: function (url, data, callback) { + return jQuery.get(url, data, callback, 'json') + }, + + getScript: function (url, callback) { + return jQuery.get(url, undefined, callback, 'script') + } + }) + + jQuery.each(['get', 'post'], function (i, method) { + jQuery[method] = function (url, data, callback, type) { + // Shift arguments if data argument was omitted + if (isFunction(data)) { + type = type || callback + callback = data + data = undefined + } + + // The url can be an options object (which then must have .url) + return jQuery.ajax(jQuery.extend({ + url: url, + type: method, + dataType: type, + data: data, + success: callback + }, jQuery.isPlainObject(url) && url)) + } + }) + + jQuery._evalUrl = function (url, options) { + return jQuery.ajax({ + url: url, + + // Make this explicit, since user can override this through ajaxSetup (#11264) + type: 'GET', + dataType: 'script', + cache: true, + async: false, + global: false, + + // Only evaluate the response if it is successful (gh-4126) + // dataFilter is not invoked for failure responses, so using it instead + // of the default converter is kludgy but it works. + converters: { + 'text script': function () {} + }, + dataFilter: function (response) { + jQuery.globalEval(response, options) + } + }) + } + + jQuery.fn.extend({ + wrapAll: function (html) { + let wrap + + if (this[0]) { + if (isFunction(html)) { + html = html.call(this[0]) + } + + // The elements to wrap the target around + wrap = jQuery(html, this[0].ownerDocument).eq(0).clone(true) + + if (this[0].parentNode) { + wrap.insertBefore(this[0]) + } + + wrap.map(function () { + let elem = this + + while (elem.firstElementChild) { + elem = elem.firstElementChild + } + + return elem + }).append(this) + } + + return this + }, + + wrapInner: function (html) { + if (isFunction(html)) { + return this.each(function (i) { + jQuery(this).wrapInner(html.call(this, i)) + }) + } + + return this.each(function () { + const self = jQuery(this) + const contents = self.contents() + + if (contents.length) { + contents.wrapAll(html) + } else { + self.append(html) + } + }) + }, + + wrap: function (html) { + const htmlIsFunction = isFunction(html) + + return this.each(function (i) { + jQuery(this).wrapAll(htmlIsFunction ? html.call(this, i) : html) + }) + }, + + unwrap: function (selector) { + this.parent(selector).not('body').each(function () { + jQuery(this).replaceWith(this.childNodes) + }) + return this + } + }) + + jQuery.expr.pseudos.hidden = function (elem) { + return !jQuery.expr.pseudos.visible(elem) + } + jQuery.expr.pseudos.visible = function (elem) { + return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length) + } + + jQuery.ajaxSettings.xhr = function () { + try { + return new window.XMLHttpRequest() + } catch (e) {} + } + + const xhrSuccessStatus = { + + // File protocol always yields status code 0, assume 200 + 0: 200, + + // Support: IE <=9 only + // #1450: sometimes IE returns 1223 when it should be 204 + 1223: 204 + } + let xhrSupported = jQuery.ajaxSettings.xhr() + + support.cors = !!xhrSupported && ('withCredentials' in xhrSupported) + support.ajax = xhrSupported = !!xhrSupported + + jQuery.ajaxTransport(function (options) { + let callback, errorCallback + + // Cross domain only allowed if supported through XMLHttpRequest + if (support.cors || xhrSupported && !options.crossDomain) { + return { + send: function (headers, complete) { + let i + const xhr = options.xhr() + + xhr.open( + options.type, + options.url, + options.async, + options.username, + options.password + ) + + // Apply custom fields if provided + if (options.xhrFields) { + for (i in options.xhrFields) { + xhr[i] = options.xhrFields[i] + } + } + + // Override mime type if needed + if (options.mimeType && xhr.overrideMimeType) { + xhr.overrideMimeType(options.mimeType) + } + + // X-Requested-With header + // For cross-domain requests, seeing as conditions for a preflight are + // akin to a jigsaw puzzle, we simply never set it to be sure. + // (it can always be set on a per-request basis or even using ajaxSetup) + // For same-domain requests, won't change header if already provided. + if (!options.crossDomain && !headers['X-Requested-With']) { + headers['X-Requested-With'] = 'XMLHttpRequest' + } + + // Set headers + for (i in headers) { + xhr.setRequestHeader(i, headers[i]) + } + + // Callback + callback = function (type) { + return function () { + if (callback) { + callback = errorCallback = xhr.onload = + xhr.onerror = xhr.onabort = xhr.ontimeout = + xhr.onreadystatechange = null + + if (type === 'abort') { + xhr.abort() + } else if (type === 'error') { + // Support: IE <=9 only + // On a manual native abort, IE9 throws + // errors on any property access that is not readyState + if (typeof xhr.status !== 'number') { + complete(0, 'error') + } else { + complete( + + // File: protocol always yields status 0; see #8605, #14207 + xhr.status, + xhr.statusText + ) + } + } else { + complete( + xhrSuccessStatus[xhr.status] || xhr.status, + xhr.statusText, + + // Support: IE <=9 only + // IE9 has no XHR2 but throws on binary (trac-11426) + // For XHR2 non-text, let the caller handle it (gh-2498) + (xhr.responseType || 'text') !== 'text' || + typeof xhr.responseText !== 'string' + ? { binary: xhr.response } + : { text: xhr.responseText }, + xhr.getAllResponseHeaders() + ) + } + } + } + } + + // Listen to events + xhr.onload = callback() + errorCallback = xhr.onerror = xhr.ontimeout = callback('error') + + // Support: IE 9 only + // Use onreadystatechange to replace onabort + // to handle uncaught aborts + if (xhr.onabort !== undefined) { + xhr.onabort = errorCallback + } else { + xhr.onreadystatechange = function () { + // Check readyState before timeout as it changes + if (xhr.readyState === 4) { + // Allow onerror to be called first, + // but that will not handle a native abort + // Also, save errorCallback to a variable + // as xhr.onerror cannot be accessed + window.setTimeout(function () { + if (callback) { + errorCallback() + } + }) + } + } + } + + // Create the abort callback + callback = callback('abort') + + try { + // Do send the request (this may raise an exception) + xhr.send(options.hasContent && options.data || null) + } catch (e) { + // #14683: Only rethrow if this hasn't been notified as an error yet + if (callback) { + throw e + } + } + }, + + abort: function () { + if (callback) { + callback() + } + } + } + } + }) + + // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) + jQuery.ajaxPrefilter(function (s) { + if (s.crossDomain) { + s.contents.script = false + } + }) + + // Install script dataType + jQuery.ajaxSetup({ + accepts: { + script: 'text/javascript, application/javascript, ' + + 'application/ecmascript, application/x-ecmascript' + }, + contents: { + script: /\b(?:java|ecma)script\b/ + }, + converters: { + 'text script': function (text) { + jQuery.globalEval(text) + return text + } + } + }) + + // Handle cache's special case and crossDomain + jQuery.ajaxPrefilter('script', function (s) { + if (s.cache === undefined) { + s.cache = false + } + if (s.crossDomain) { + s.type = 'GET' + } + }) + + // Bind script tag hack transport + jQuery.ajaxTransport('script', function (s) { + // This transport only deals with cross domain or forced-by-attrs requests + if (s.crossDomain || s.scriptAttrs) { + let script, callback + return { + send: function (_, complete) { + script = jQuery('