UNPKG

typescript

Version:

TypeScript is a language for application scale JavaScript development

1,453 lines (1,450 loc) • 1.06 MB
/*! ***************************************************************************** Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT. See the Apache Version 2.0 License for specific language governing permissions and limitations under the License. ***************************************************************************** */ "use strict"; var __assign = (this && this.__assign) || Object.assign || function(t) { for (var s, i = 1, n = arguments.length; i < n; i++) { s = arguments[i]; for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; } return t; }; var __extends = (this && this.__extends) || (function () { var extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; return function (d, b) { extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); var ts; (function (ts) { var OperationCanceledException = (function () { function OperationCanceledException() { } return OperationCanceledException; }()); ts.OperationCanceledException = OperationCanceledException; var ExitStatus; (function (ExitStatus) { ExitStatus[ExitStatus["Success"] = 0] = "Success"; ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; })(ExitStatus = ts.ExitStatus || (ts.ExitStatus = {})); var TypeReferenceSerializationKind; (function (TypeReferenceSerializationKind) { TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidNullableOrNeverType"] = 2] = "VoidNullableOrNeverType"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["Promise"] = 8] = "Promise"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 9] = "TypeWithCallSignature"; TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 10] = "ObjectType"; })(TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); var DiagnosticCategory; (function (DiagnosticCategory) { DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; DiagnosticCategory[DiagnosticCategory["Suggestion"] = 2] = "Suggestion"; DiagnosticCategory[DiagnosticCategory["Message"] = 3] = "Message"; })(DiagnosticCategory = ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); function diagnosticCategoryName(d, lowerCase) { if (lowerCase === void 0) { lowerCase = true; } var name = DiagnosticCategory[d.category]; return lowerCase ? name.toLowerCase() : name; } ts.diagnosticCategoryName = diagnosticCategoryName; var ModuleResolutionKind; (function (ModuleResolutionKind) { ModuleResolutionKind[ModuleResolutionKind["Classic"] = 1] = "Classic"; ModuleResolutionKind[ModuleResolutionKind["NodeJs"] = 2] = "NodeJs"; })(ModuleResolutionKind = ts.ModuleResolutionKind || (ts.ModuleResolutionKind = {})); var ModuleKind; (function (ModuleKind) { ModuleKind[ModuleKind["None"] = 0] = "None"; ModuleKind[ModuleKind["CommonJS"] = 1] = "CommonJS"; ModuleKind[ModuleKind["AMD"] = 2] = "AMD"; ModuleKind[ModuleKind["UMD"] = 3] = "UMD"; ModuleKind[ModuleKind["System"] = 4] = "System"; ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; ModuleKind[ModuleKind["ESNext"] = 6] = "ESNext"; })(ModuleKind = ts.ModuleKind || (ts.ModuleKind = {})); function _contextuallyTypePragmas(args) { return args; } ts.commentPragmas = _contextuallyTypePragmas({ "reference": { args: [ { name: "types", optional: true, captureSpan: true }, { name: "path", optional: true, captureSpan: true }, { name: "no-default-lib", optional: true } ], kind: 1 }, "amd-dependency": { args: [{ name: "path" }, { name: "name", optional: true }], kind: 1 }, "amd-module": { args: [{ name: "name" }], kind: 1 }, "ts-check": { kind: 2 }, "ts-nocheck": { kind: 2 }, "jsx": { args: [{ name: "factory" }], kind: 4 }, }); })(ts || (ts = {})); var ts; (function (ts) { ts.timestamp = typeof performance !== "undefined" && performance.now ? function () { return performance.now(); } : Date.now ? Date.now : function () { return +(new Date()); }; })(ts || (ts = {})); (function (ts) { var performance; (function (performance) { var profilerEvent = typeof onProfilerEvent === "function" && onProfilerEvent.profiler === true ? onProfilerEvent : function () { }; var enabled = false; var profilerStart = 0; var counts; var marks; var measures; function mark(markName) { if (enabled) { marks.set(markName, ts.timestamp()); counts.set(markName, (counts.get(markName) || 0) + 1); profilerEvent(markName); } } performance.mark = mark; function measure(measureName, startMarkName, endMarkName) { if (enabled) { var end = endMarkName && marks.get(endMarkName) || ts.timestamp(); var start = startMarkName && marks.get(startMarkName) || profilerStart; measures.set(measureName, (measures.get(measureName) || 0) + (end - start)); } } performance.measure = measure; function getCount(markName) { return counts && counts.get(markName) || 0; } performance.getCount = getCount; function getDuration(measureName) { return measures && measures.get(measureName) || 0; } performance.getDuration = getDuration; function forEachMeasure(cb) { measures.forEach(function (measure, key) { cb(key, measure); }); } performance.forEachMeasure = forEachMeasure; function enable() { counts = ts.createMap(); marks = ts.createMap(); measures = ts.createMap(); enabled = true; profilerStart = ts.timestamp(); } performance.enable = enable; function disable() { enabled = false; } performance.disable = disable; })(performance = ts.performance || (ts.performance = {})); })(ts || (ts = {})); var ts; (function (ts) { ts.versionMajorMinor = "2.8"; ts.version = ts.versionMajorMinor + ".4"; })(ts || (ts = {})); (function (ts) { function isExternalModuleNameRelative(moduleName) { return ts.pathIsRelative(moduleName) || ts.isRootedDiskPath(moduleName); } ts.isExternalModuleNameRelative = isExternalModuleNameRelative; function sortAndDeduplicateDiagnostics(diagnostics) { return ts.sortAndDeduplicate(diagnostics, ts.compareDiagnostics); } ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; })(ts || (ts = {})); (function (ts) { ts.emptyArray = []; function closeFileWatcher(watcher) { watcher.close(); } ts.closeFileWatcher = closeFileWatcher; function createDictionaryObject() { var map = Object.create(null); map.__ = undefined; delete map.__; return map; } function createMap() { return new MapCtr(); } ts.createMap = createMap; function createUnderscoreEscapedMap() { return new MapCtr(); } ts.createUnderscoreEscapedMap = createUnderscoreEscapedMap; function createSymbolTable(symbols) { var result = createMap(); if (symbols) { for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { var symbol = symbols_1[_i]; result.set(symbol.escapedName, symbol); } } return result; } ts.createSymbolTable = createSymbolTable; function createMapFromTemplate(template) { var map = new MapCtr(); for (var key in template) { if (hasOwnProperty.call(template, key)) { map.set(key, template[key]); } } return map; } ts.createMapFromTemplate = createMapFromTemplate; var MapCtr = typeof Map !== "undefined" && "entries" in Map.prototype ? Map : shimMap(); function shimMap() { var MapIterator = (function () { function MapIterator(data, selector) { this.index = 0; this.data = data; this.selector = selector; this.keys = Object.keys(data); } MapIterator.prototype.next = function () { var index = this.index; if (index < this.keys.length) { this.index++; return { value: this.selector(this.data, this.keys[index]), done: false }; } return { value: undefined, done: true }; }; return MapIterator; }()); return (function () { function class_1() { this.data = createDictionaryObject(); this.size = 0; } class_1.prototype.get = function (key) { return this.data[key]; }; class_1.prototype.set = function (key, value) { if (!this.has(key)) { this.size++; } this.data[key] = value; return this; }; class_1.prototype.has = function (key) { return key in this.data; }; class_1.prototype.delete = function (key) { if (this.has(key)) { this.size--; delete this.data[key]; return true; } return false; }; class_1.prototype.clear = function () { this.data = createDictionaryObject(); this.size = 0; }; class_1.prototype.keys = function () { return new MapIterator(this.data, function (_data, key) { return key; }); }; class_1.prototype.values = function () { return new MapIterator(this.data, function (data, key) { return data[key]; }); }; class_1.prototype.entries = function () { return new MapIterator(this.data, function (data, key) { return [key, data[key]]; }); }; class_1.prototype.forEach = function (action) { for (var key in this.data) { action(this.data[key], key); } }; return class_1; }()); } function toPath(fileName, basePath, getCanonicalFileName) { var nonCanonicalizedPath = isRootedDiskPath(fileName) ? normalizePath(fileName) : getNormalizedAbsolutePath(fileName, basePath); return getCanonicalFileName(nonCanonicalizedPath); } ts.toPath = toPath; function length(array) { return array ? array.length : 0; } ts.length = length; function forEach(array, callback) { if (array) { for (var i = 0; i < array.length; i++) { var result = callback(array[i], i); if (result) { return result; } } } return undefined; } ts.forEach = forEach; function firstDefined(array, callback) { if (array === undefined) { return undefined; } for (var i = 0; i < array.length; i++) { var result = callback(array[i], i); if (result !== undefined) { return result; } } return undefined; } ts.firstDefined = firstDefined; function firstDefinedIterator(iter, callback) { while (true) { var _a = iter.next(), value = _a.value, done = _a.done; if (done) { return undefined; } var result = callback(value); if (result !== undefined) { return result; } } } ts.firstDefinedIterator = firstDefinedIterator; function findAncestor(node, callback) { while (node) { var result = callback(node); if (result === "quit") { return undefined; } else if (result) { return node; } node = node.parent; } return undefined; } ts.findAncestor = findAncestor; function zipWith(arrayA, arrayB, callback) { var result = []; Debug.assertEqual(arrayA.length, arrayB.length); for (var i = 0; i < arrayA.length; i++) { result.push(callback(arrayA[i], arrayB[i], i)); } return result; } ts.zipWith = zipWith; function zipToIterator(arrayA, arrayB) { Debug.assertEqual(arrayA.length, arrayB.length); var i = 0; return { next: function () { if (i === arrayA.length) { return { value: undefined, done: true }; } i++; return { value: [arrayA[i - 1], arrayB[i - 1]], done: false }; } }; } ts.zipToIterator = zipToIterator; function zipToMap(keys, values) { Debug.assert(keys.length === values.length); var map = createMap(); for (var i = 0; i < keys.length; ++i) { map.set(keys[i], values[i]); } return map; } ts.zipToMap = zipToMap; function every(array, callback) { if (array) { for (var i = 0; i < array.length; i++) { if (!callback(array[i], i)) { return false; } } } return true; } ts.every = every; function find(array, predicate) { for (var i = 0; i < array.length; i++) { var value = array[i]; if (predicate(value, i)) { return value; } } return undefined; } ts.find = find; function findLast(array, predicate) { for (var i = array.length - 1; i >= 0; i--) { var value = array[i]; if (predicate(value, i)) { return value; } } return undefined; } ts.findLast = findLast; function findIndex(array, predicate) { for (var i = 0; i < array.length; i++) { if (predicate(array[i], i)) { return i; } } return -1; } ts.findIndex = findIndex; function findMap(array, callback) { for (var i = 0; i < array.length; i++) { var result = callback(array[i], i); if (result) { return result; } } Debug.fail(); } ts.findMap = findMap; function contains(array, value, equalityComparer) { if (equalityComparer === void 0) { equalityComparer = equateValues; } if (array) { for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { var v = array_1[_i]; if (equalityComparer(v, value)) { return true; } } } return false; } ts.contains = contains; function arraysEqual(a, b, equalityComparer) { if (equalityComparer === void 0) { equalityComparer = equateValues; } return a.length === b.length && a.every(function (x, i) { return equalityComparer(x, b[i]); }); } ts.arraysEqual = arraysEqual; function indexOfAnyCharCode(text, charCodes, start) { for (var i = start || 0; i < text.length; i++) { if (contains(charCodes, text.charCodeAt(i))) { return i; } } return -1; } ts.indexOfAnyCharCode = indexOfAnyCharCode; function countWhere(array, predicate) { var count = 0; if (array) { for (var i = 0; i < array.length; i++) { var v = array[i]; if (predicate(v, i)) { count++; } } } return count; } ts.countWhere = countWhere; function filter(array, f) { if (array) { var len = array.length; var i = 0; while (i < len && f(array[i])) i++; if (i < len) { var result = array.slice(0, i); i++; while (i < len) { var item = array[i]; if (f(item)) { result.push(item); } i++; } return result; } } return array; } ts.filter = filter; function filterMutate(array, f) { var outIndex = 0; for (var i = 0; i < array.length; i++) { if (f(array[i], i, array)) { array[outIndex] = array[i]; outIndex++; } } array.length = outIndex; } ts.filterMutate = filterMutate; function clear(array) { array.length = 0; } ts.clear = clear; function map(array, f) { var result; if (array) { result = []; for (var i = 0; i < array.length; i++) { result.push(f(array[i], i)); } } return result; } ts.map = map; function mapIterator(iter, mapFn) { return { next: function () { var iterRes = iter.next(); return iterRes.done ? iterRes : { value: mapFn(iterRes.value), done: false }; } }; } ts.mapIterator = mapIterator; function sameMap(array, f) { if (array) { for (var i = 0; i < array.length; i++) { var item = array[i]; var mapped = f(item, i); if (item !== mapped) { var result = array.slice(0, i); result.push(mapped); for (i++; i < array.length; i++) { result.push(f(array[i], i)); } return result; } } } return array; } ts.sameMap = sameMap; function flatten(array) { var result; if (array) { result = []; for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { var v = array_2[_i]; if (v) { if (isArray(v)) { addRange(result, v); } else { result.push(v); } } } } return result; } ts.flatten = flatten; function flatMap(array, mapfn) { var result; if (array) { result = []; for (var i = 0; i < array.length; i++) { var v = mapfn(array[i], i); if (v) { if (isArray(v)) { addRange(result, v); } else { result.push(v); } } } } return result; } ts.flatMap = flatMap; function flatMapIterator(iter, mapfn) { var first = iter.next(); if (first.done) { return ts.emptyIterator; } var currentIter = getIterator(first.value); return { next: function () { while (true) { var currentRes = currentIter.next(); if (!currentRes.done) { return currentRes; } var iterRes = iter.next(); if (iterRes.done) { return iterRes; } currentIter = getIterator(iterRes.value); } }, }; function getIterator(x) { var res = mapfn(x); return res === undefined ? ts.emptyIterator : isArray(res) ? arrayIterator(res) : res; } } ts.flatMapIterator = flatMapIterator; function sameFlatMap(array, mapfn) { var result; if (array) { for (var i = 0; i < array.length; i++) { var item = array[i]; var mapped = mapfn(item, i); if (result || item !== mapped || isArray(mapped)) { if (!result) { result = array.slice(0, i); } if (isArray(mapped)) { addRange(result, mapped); } else { result.push(mapped); } } } } return result || array; } ts.sameFlatMap = sameFlatMap; function mapAllOrFail(array, mapFn) { var result = []; for (var i = 0; i < array.length; i++) { var mapped = mapFn(array[i], i); if (mapped === undefined) { return undefined; } result.push(mapped); } return result; } ts.mapAllOrFail = mapAllOrFail; function mapDefined(array, mapFn) { var result = []; if (array) { for (var i = 0; i < array.length; i++) { var mapped = mapFn(array[i], i); if (mapped !== undefined) { result.push(mapped); } } } return result; } ts.mapDefined = mapDefined; function mapDefinedIterator(iter, mapFn) { return { next: function () { while (true) { var res = iter.next(); if (res.done) { return res; } var value = mapFn(res.value); if (value !== undefined) { return { value: value, done: false }; } } } }; } ts.mapDefinedIterator = mapDefinedIterator; ts.emptyIterator = { next: function () { return ({ value: undefined, done: true }); } }; function singleIterator(value) { var done = false; return { next: function () { var wasDone = done; done = true; return wasDone ? { value: undefined, done: true } : { value: value, done: false }; } }; } ts.singleIterator = singleIterator; function span(array, f) { if (array) { for (var i = 0; i < array.length; i++) { if (!f(array[i], i)) { return [array.slice(0, i), array.slice(i)]; } } return [array.slice(0), []]; } return undefined; } ts.span = span; function spanMap(array, keyfn, mapfn) { var result; if (array) { result = []; var len = array.length; var previousKey = void 0; var key = void 0; var start = 0; var pos = 0; while (start < len) { while (pos < len) { var value = array[pos]; key = keyfn(value, pos); if (pos === 0) { previousKey = key; } else if (key !== previousKey) { break; } pos++; } if (start < pos) { var v = mapfn(array.slice(start, pos), previousKey, start, pos); if (v) { result.push(v); } start = pos; } previousKey = key; pos++; } } return result; } ts.spanMap = spanMap; function mapEntries(map, f) { if (!map) { return undefined; } var result = createMap(); map.forEach(function (value, key) { var _a = f(key, value), newKey = _a[0], newValue = _a[1]; result.set(newKey, newValue); }); return result; } ts.mapEntries = mapEntries; function some(array, predicate) { if (array) { if (predicate) { for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { var v = array_3[_i]; if (predicate(v)) { return true; } } } else { return array.length > 0; } } return false; } ts.some = some; function concatenate(array1, array2) { if (!some(array2)) return array1; if (!some(array1)) return array2; return array1.concat(array2); } ts.concatenate = concatenate; function deduplicateRelational(array, equalityComparer, comparer) { var indices = array.map(function (_, i) { return i; }); stableSortIndices(array, indices, comparer); var last = array[indices[0]]; var deduplicated = [indices[0]]; for (var i = 1; i < indices.length; i++) { var index = indices[i]; var item = array[index]; if (!equalityComparer(last, item)) { deduplicated.push(index); last = item; } } deduplicated.sort(); return deduplicated.map(function (i) { return array[i]; }); } function deduplicateEquality(array, equalityComparer) { var result = []; for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { var item = array_4[_i]; pushIfUnique(result, item, equalityComparer); } return result; } function deduplicate(array, equalityComparer, comparer) { return !array ? undefined : array.length === 0 ? [] : array.length === 1 ? array.slice() : comparer ? deduplicateRelational(array, equalityComparer, comparer) : deduplicateEquality(array, equalityComparer); } ts.deduplicate = deduplicate; function deduplicateSorted(array, comparer) { if (!array) return undefined; if (array.length === 0) return []; var last = array[0]; var deduplicated = [last]; for (var i = 1; i < array.length; i++) { var next = array[i]; switch (comparer(next, last)) { case true: case 0: continue; case -1: return Debug.fail("Array is unsorted."); } deduplicated.push(last = next); } return deduplicated; } function insertSorted(array, insert, compare) { if (array.length === 0) { array.push(insert); return; } var insertIndex = binarySearch(array, insert, identity, compare); if (insertIndex < 0) { array.splice(~insertIndex, 0, insert); } } ts.insertSorted = insertSorted; function sortAndDeduplicate(array, comparer, equalityComparer) { return deduplicateSorted(sort(array, comparer), equalityComparer || comparer); } ts.sortAndDeduplicate = sortAndDeduplicate; function arrayIsEqualTo(array1, array2, equalityComparer) { if (equalityComparer === void 0) { equalityComparer = equateValues; } if (!array1 || !array2) { return array1 === array2; } if (array1.length !== array2.length) { return false; } for (var i = 0; i < array1.length; i++) { if (!equalityComparer(array1[i], array2[i])) { return false; } } return true; } ts.arrayIsEqualTo = arrayIsEqualTo; function changesAffectModuleResolution(oldOptions, newOptions) { return !oldOptions || (oldOptions.module !== newOptions.module) || (oldOptions.moduleResolution !== newOptions.moduleResolution) || (oldOptions.noResolve !== newOptions.noResolve) || (oldOptions.target !== newOptions.target) || (oldOptions.noLib !== newOptions.noLib) || (oldOptions.jsx !== newOptions.jsx) || (oldOptions.allowJs !== newOptions.allowJs) || (oldOptions.rootDir !== newOptions.rootDir) || (oldOptions.configFilePath !== newOptions.configFilePath) || (oldOptions.baseUrl !== newOptions.baseUrl) || (oldOptions.maxNodeModuleJsDepth !== newOptions.maxNodeModuleJsDepth) || !arrayIsEqualTo(oldOptions.lib, newOptions.lib) || !arrayIsEqualTo(oldOptions.typeRoots, newOptions.typeRoots) || !arrayIsEqualTo(oldOptions.rootDirs, newOptions.rootDirs) || !equalOwnProperties(oldOptions.paths, newOptions.paths); } ts.changesAffectModuleResolution = changesAffectModuleResolution; function compact(array) { var result; if (array) { for (var i = 0; i < array.length; i++) { var v = array[i]; if (result || !v) { if (!result) { result = array.slice(0, i); } if (v) { result.push(v); } } } } return result || array; } ts.compact = compact; function relativeComplement(arrayA, arrayB, comparer) { if (!arrayB || !arrayA || arrayB.length === 0 || arrayA.length === 0) return arrayB; var result = []; loopB: for (var offsetA = 0, offsetB = 0; offsetB < arrayB.length; offsetB++) { if (offsetB > 0) { Debug.assertGreaterThanOrEqual(comparer(arrayB[offsetB], arrayB[offsetB - 1]), 0); } loopA: for (var startA = offsetA; offsetA < arrayA.length; offsetA++) { if (offsetA > startA) { Debug.assertGreaterThanOrEqual(comparer(arrayA[offsetA], arrayA[offsetA - 1]), 0); } switch (comparer(arrayB[offsetB], arrayA[offsetA])) { case -1: result.push(arrayB[offsetB]); continue loopB; case 0: continue loopB; case 1: continue loopA; } } } return result; } ts.relativeComplement = relativeComplement; function sum(array, prop) { var result = 0; for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { var v = array_5[_i]; result += v[prop]; } return result; } ts.sum = sum; function append(to, value) { if (value === undefined) return to; if (to === undefined) return [value]; to.push(value); return to; } ts.append = append; function toOffset(array, offset) { return offset < 0 ? array.length + offset : offset; } function addRange(to, from, start, end) { if (from === undefined || from.length === 0) return to; if (to === undefined) return from.slice(start, end); start = start === undefined ? 0 : toOffset(from, start); end = end === undefined ? from.length : toOffset(from, end); for (var i = start; i < end && i < from.length; i++) { if (from[i] !== undefined) { to.push(from[i]); } } return to; } ts.addRange = addRange; function pushIfUnique(array, toAdd, equalityComparer) { if (contains(array, toAdd, equalityComparer)) { return false; } else { array.push(toAdd); return true; } } ts.pushIfUnique = pushIfUnique; function appendIfUnique(array, toAdd, equalityComparer) { if (array) { pushIfUnique(array, toAdd, equalityComparer); return array; } else { return [toAdd]; } } ts.appendIfUnique = appendIfUnique; function stableSortIndices(array, indices, comparer) { indices.sort(function (x, y) { return comparer(array[x], array[y]) || compareValues(x, y); }); } function sort(array, comparer) { return array.slice().sort(comparer); } ts.sort = sort; function best(iter, isBetter) { var x = iter.next(); if (x.done) { return undefined; } var best = x.value; while (true) { var _a = iter.next(), value = _a.value, done = _a.done; if (done) { return best; } if (isBetter(value, best)) { best = value; } } } ts.best = best; function arrayIterator(array) { var i = 0; return { next: function () { if (i === array.length) { return { value: undefined, done: true }; } else { i++; return { value: array[i - 1], done: false }; } } }; } ts.arrayIterator = arrayIterator; function stableSort(array, comparer) { var indices = array.map(function (_, i) { return i; }); stableSortIndices(array, indices, comparer); return indices.map(function (i) { return array[i]; }); } ts.stableSort = stableSort; function rangeEquals(array1, array2, pos, end) { while (pos < end) { if (array1[pos] !== array2[pos]) { return false; } pos++; } return true; } ts.rangeEquals = rangeEquals; function elementAt(array, offset) { if (array) { offset = toOffset(array, offset); if (offset < array.length) { return array[offset]; } } return undefined; } ts.elementAt = elementAt; function firstOrUndefined(array) { return elementAt(array, 0); } ts.firstOrUndefined = firstOrUndefined; function first(array) { Debug.assert(array.length !== 0); return array[0]; } ts.first = first; function lastOrUndefined(array) { return elementAt(array, -1); } ts.lastOrUndefined = lastOrUndefined; function last(array) { Debug.assert(array.length !== 0); return array[array.length - 1]; } ts.last = last; function singleOrUndefined(array) { return array && array.length === 1 ? array[0] : undefined; } ts.singleOrUndefined = singleOrUndefined; function singleOrMany(array) { return array && array.length === 1 ? array[0] : array; } ts.singleOrMany = singleOrMany; function replaceElement(array, index, value) { var result = array.slice(0); result[index] = value; return result; } ts.replaceElement = replaceElement; function binarySearch(array, value, keySelector, keyComparer, offset) { if (!array || array.length === 0) { return -1; } var low = offset || 0; var high = array.length - 1; var key = keySelector(value); while (low <= high) { var middle = low + ((high - low) >> 1); var midKey = keySelector(array[middle]); switch (keyComparer(midKey, key)) { case -1: low = middle + 1; break; case 0: return middle; case 1: high = middle - 1; break; } } return ~low; } ts.binarySearch = binarySearch; function reduceLeft(array, f, initial, start, count) { if (array && array.length > 0) { var size = array.length; if (size > 0) { var pos = start === undefined || start < 0 ? 0 : start; var end = count === undefined || pos + count > size - 1 ? size - 1 : pos + count; var result = void 0; if (arguments.length <= 2) { result = array[pos]; pos++; } else { result = initial; } while (pos <= end) { result = f(result, array[pos], pos); pos++; } return result; } } return initial; } ts.reduceLeft = reduceLeft; var hasOwnProperty = Object.prototype.hasOwnProperty; function hasProperty(map, key) { return hasOwnProperty.call(map, key); } ts.hasProperty = hasProperty; function getProperty(map, key) { return hasOwnProperty.call(map, key) ? map[key] : undefined; } ts.getProperty = getProperty; function getOwnKeys(map) { var keys = []; for (var key in map) { if (hasOwnProperty.call(map, key)) { keys.push(key); } } return keys; } ts.getOwnKeys = getOwnKeys; function getOwnValues(sparseArray) { var values = []; for (var key in sparseArray) { if (hasOwnProperty.call(sparseArray, key)) { values.push(sparseArray[key]); } } return values; } ts.getOwnValues = getOwnValues; function arrayFrom(iterator, map) { var result = []; for (var _a = iterator.next(), value = _a.value, done = _a.done; !done; _b = iterator.next(), value = _b.value, done = _b.done, _b) { result.push(map ? map(value) : value); } return result; var _b; } ts.arrayFrom = arrayFrom; function forEachEntry(map, callback) { var iterator = map.entries(); for (var _a = iterator.next(), pair = _a.value, done = _a.done; !done; _b = iterator.next(), pair = _b.value, done = _b.done, _b) { var key = pair[0], value = pair[1]; var result = callback(value, key); if (result) { return result; } } return undefined; var _b; } ts.forEachEntry = forEachEntry; function forEachKey(map, callback) { var iterator = map.keys(); for (var _a = iterator.next(), key = _a.value, done = _a.done; !done; _b = iterator.next(), key = _b.value, done = _b.done, _b) { var result = callback(key); if (result) { return result; } } return undefined; var _b; } ts.forEachKey = forEachKey; function copyEntries(source, target) { source.forEach(function (value, key) { target.set(key, value); }); } ts.copyEntries = copyEntries; function assign(t) { var args = []; for (var _i = 1; _i < arguments.length; _i++) { args[_i - 1] = arguments[_i]; } for (var _a = 0, args_1 = args; _a < args_1.length; _a++) { var arg = args_1[_a]; for (var p in arg) { if (hasProperty(arg, p)) { t[p] = arg[p]; } } } return t; } ts.assign = assign; function equalOwnProperties(left, right, equalityComparer) { if (equalityComparer === void 0) { equalityComparer = equateValues; } if (left === right) return true; if (!left || !right) return false; for (var key in left) { if (hasOwnProperty.call(left, key)) { if (!hasOwnProperty.call(right, key) === undefined) return false; if (!equalityComparer(left[key], right[key])) return false; } } for (var key in right) { if (hasOwnProperty.call(right, key)) { if (!hasOwnProperty.call(left, key)) return false; } } return true; } ts.equalOwnProperties = equalOwnProperties; function arrayToMap(array, makeKey, makeValue) { if (makeValue === void 0) { makeValue = identity; } var result = createMap(); for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { var value = array_6[_i]; result.set(makeKey(value), makeValue(value)); } return result; } ts.arrayToMap = arrayToMap; function arrayToNumericMap(array, makeKey, makeValue) { if (makeValue === void 0) { makeValue = identity; } var result = []; for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { var value = array_7[_i]; result[makeKey(value)] = makeValue(value); } return result; } ts.arrayToNumericMap = arrayToNumericMap; function arrayToSet(array, makeKey) { return arrayToMap(array, makeKey || (function (s) { return s; }), function () { return true; }); } ts.arrayToSet = arrayToSet; function arrayToMultiMap(values, makeKey, makeValue) { if (makeValue === void 0) { makeValue = identity; } var result = createMultiMap(); for (var _i = 0, values_1 = values; _i < values_1.length; _i++) { var value = values_1[_i]; result.add(makeKey(value), makeValue(value)); } return result; } ts.arrayToMultiMap = arrayToMultiMap; function group(values, getGroupId) { return arrayFrom(arrayToMultiMap(values, getGroupId).values()); } ts.group = group; function cloneMap(map) { var clone = createMap(); copyEntries(map, clone); return clone; } ts.cloneMap = cloneMap; function clone(object) { var result = {}; for (var id in object) { if (hasOwnProperty.call(object, id)) { result[id] = object[id]; } } return result; } ts.clone = clone; function extend(first, second) { var result = {}; for (var id in second) { if (hasOwnProperty.call(second, id)) { result[id] = second[id]; } } for (var id in first) { if (hasOwnProperty.call(first, id)) { result[id] = first[id]; } } return result; } ts.extend = extend; function createMultiMap() { var map = createMap(); map.add = multiMapAdd; map.remove = multiMapRemove; return map; } ts.createMultiMap = createMultiMap; function multiMapAdd(key, value) { var values = this.get(key); if (values) { values.push(value); } else { this.set(key, values = [value]); } return values; } function multiMapRemove(key, value) { var values = this.get(key); if (values) { unorderedRemoveItem(values, value); if (!values.length) { this.delete(key); } } } function isArray(value) { return Array.isArray ? Array.isArray(value) : value instanceof Array; } ts.isArray = isArray; function toArray(value) { return isArray(value) ? value : [value]; } ts.toArray = toArray; function isString(text) { return typeof text === "string"; } ts.isString = isString; function tryCast(value, test) { return value !== undefined && test(value) ? value : undefined; } ts.tryCast = tryCast; function cast(value, test) { if (value !== undefined && test(value)) return value; if (value && typeof value.kind === "number") { Debug.fail("Invalid cast. The supplied " + Debug.showSyntaxKind(value) + " did not pass the test '" + Debug.getFunctionName(test) + "'."); } else { Debug.fail("Invalid cast. The supplied value did not pass the test '" + Debug.getFunctionName(test) + "'."); } } ts.cast = cast; function noop(_) { } ts.noop = noop; function returnFalse() { return false; } ts.returnFalse = returnFalse; function returnTrue() { return true; } ts.returnTrue = returnTrue; function identity(x) { return x; } ts.identity = identity; function toLowerCase(x) { return x.toLowerCase(); } ts.toLowerCase = toLowerCase; function notImplemented() { throw new Error("Not implemented"); } ts.notImplemented = notImplemented; function memoize(callback) { var value; return function () { if (callback) { value = callback(); callback = undefined; } return value; }; } ts.memoize = memoize; function chain(a, b, c, d, e) { if (e) { var args_2 = []; for (var i = 0; i < arguments.length; i++) { args_2[i] = arguments[i]; } return function (t) { return compose.apply(void 0, map(args_2, function (f) { return f(t); })); }; } else if (d) { return function (t) { return compose(a(t), b(t), c(t), d(t)); }; } else if (c) { return function (t) { return compose(a(t), b(t), c(t)); }; } else if (b) { return function (t) { return compose(a(t), b(t)); }; } else if (a) { return function (t) { return compose(a(t)); }; } else { return function (_) { return function (u) { return u; }; }; } } ts.chain = chain; function compose(a, b, c, d, e) { if (e) { var args_3 = []; for (var i = 0; i < arguments.length; i++) { args_3[i] = arguments[i]; } return function (t) { return reduceLeft(args_3, function (u, f) { return f(u); }, t); }; } else if (d) { return function (t) { return d(c(b(a(t)))); }; } else if (c) { return function (t) { return c(b(a(t))); }; } else if (b) { return function (t) { return b(a(t)); }; } else if (a) { return function (t) { return a(t); }; } else { return function (t) { return t; }; } } ts.compose = compose; function formatStringFromArgs(text, args, baseIndex) { baseIndex = baseIndex || 0; return text.replace(/{(\d+)}/g, function (_match, index) { return args[+index + baseIndex]; }); } ts.formatStringFromArgs = formatStringFromArgs; function getLocaleSpecificMessage(message) { return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] || message.message; } ts.getLocaleSpecificMessage = getLocaleSpecificMessage; function createFileDiagnostic(file, start, length, message) { Debug.assertGreaterThanOrEqual(start, 0); Debug.assertGreaterThanOrEqual(length, 0); if (file)