https://github.com/Microsoft/TypeScript
Tip revision: cc81fa76ff822bd4ea1be41b4ed9c61346984fd0 authored by Mohamed Hegazy on 08 November 2016, 00:52:19 UTC
Update LKG
Update LKG
Tip revision: cc81fa7
tsc.js
/*! *****************************************************************************
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.
***************************************************************************** */
var ts;
(function (ts) {
var OperationCanceledException = (function () {
function OperationCanceledException() {
}
return OperationCanceledException;
}());
ts.OperationCanceledException = OperationCanceledException;
(function (ExitStatus) {
ExitStatus[ExitStatus["Success"] = 0] = "Success";
ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped";
ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated";
})(ts.ExitStatus || (ts.ExitStatus = {}));
var ExitStatus = ts.ExitStatus;
(function (TypeReferenceSerializationKind) {
TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown";
TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue";
TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType";
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["TypeWithCallSignature"] = 8] = "TypeWithCallSignature";
TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType";
})(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {}));
var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind;
(function (DiagnosticCategory) {
DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning";
DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error";
DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message";
})(ts.DiagnosticCategory || (ts.DiagnosticCategory = {}));
var DiagnosticCategory = ts.DiagnosticCategory;
(function (ModuleResolutionKind) {
ModuleResolutionKind[ModuleResolutionKind["Classic"] = 1] = "Classic";
ModuleResolutionKind[ModuleResolutionKind["NodeJs"] = 2] = "NodeJs";
})(ts.ModuleResolutionKind || (ts.ModuleResolutionKind = {}));
var ModuleResolutionKind = ts.ModuleResolutionKind;
(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["ES6"] = 5] = "ES6";
ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015";
})(ts.ModuleKind || (ts.ModuleKind = {}));
var ModuleKind = ts.ModuleKind;
})(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 = {}));
var ts;
(function (ts) {
var performance;
(function (performance) {
var profilerEvent = typeof onProfilerEvent === "function" && onProfilerEvent.profiler === true
? onProfilerEvent
: function (markName) { };
var enabled = false;
var profilerStart = 0;
var counts;
var marks;
var measures;
function mark(markName) {
if (enabled) {
marks[markName] = ts.timestamp();
counts[markName] = (counts[markName] || 0) + 1;
profilerEvent(markName);
}
}
performance.mark = mark;
function measure(measureName, startMarkName, endMarkName) {
if (enabled) {
var end = endMarkName && marks[endMarkName] || ts.timestamp();
var start = startMarkName && marks[startMarkName] || profilerStart;
measures[measureName] = (measures[measureName] || 0) + (end - start);
}
}
performance.measure = measure;
function getCount(markName) {
return counts && counts[markName] || 0;
}
performance.getCount = getCount;
function getDuration(measureName) {
return measures && measures[measureName] || 0;
}
performance.getDuration = getDuration;
function forEachMeasure(cb) {
for (var key in measures) {
cb(key, measures[key]);
}
}
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) {
var createObject = Object.create;
ts.collator = typeof Intl === "object" && typeof Intl.Collator === "function" ? new Intl.Collator() : undefined;
function createMap(template) {
var map = createObject(null);
map["__"] = undefined;
delete map["__"];
for (var key in template)
if (hasOwnProperty.call(template, key)) {
map[key] = template[key];
}
return map;
}
ts.createMap = createMap;
function createFileMap(keyMapper) {
var files = createMap();
return {
get: get,
set: set,
contains: contains,
remove: remove,
forEachValue: forEachValueInMap,
getKeys: getKeys,
clear: clear
};
function forEachValueInMap(f) {
for (var key in files) {
f(key, files[key]);
}
}
function getKeys() {
var keys = [];
for (var key in files) {
keys.push(key);
}
return keys;
}
function get(path) {
return files[toKey(path)];
}
function set(path, value) {
files[toKey(path)] = value;
}
function contains(path) {
return toKey(path) in files;
}
function remove(path) {
var key = toKey(path);
delete files[key];
}
function clear() {
files = createMap();
}
function toKey(path) {
return keyMapper ? keyMapper(path) : path;
}
}
ts.createFileMap = createFileMap;
function toPath(fileName, basePath, getCanonicalFileName) {
var nonCanonicalizedPath = isRootedDiskPath(fileName)
? normalizePath(fileName)
: getNormalizedAbsolutePath(fileName, basePath);
return getCanonicalFileName(nonCanonicalizedPath);
}
ts.toPath = toPath;
function forEach(array, callback) {
if (array) {
for (var i = 0, len = array.length; i < len; i++) {
var result = callback(array[i], i);
if (result) {
return result;
}
}
}
return undefined;
}
ts.forEach = forEach;
function find(array, predicate) {
for (var i = 0, len = array.length; i < len; i++) {
var value = array[i];
if (predicate(value, i)) {
return value;
}
}
return undefined;
}
ts.find = find;
function findMap(array, callback) {
for (var i = 0, len = array.length; i < len; i++) {
var result = callback(array[i], i);
if (result) {
return result;
}
}
Debug.fail();
}
ts.findMap = findMap;
function contains(array, value) {
if (array) {
for (var _i = 0, array_1 = array; _i < array_1.length; _i++) {
var v = array_1[_i];
if (v === value) {
return true;
}
}
}
return false;
}
ts.contains = contains;
function indexOf(array, value) {
if (array) {
for (var i = 0, len = array.length; i < len; i++) {
if (array[i] === value) {
return i;
}
}
}
return -1;
}
ts.indexOf = indexOf;
function indexOfAnyCharCode(text, charCodes, start) {
for (var i = start || 0, len = text.length; i < len; 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, array_2 = array; _i < array_2.length; _i++) {
var v = array_2[_i];
if (predicate(v)) {
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 removeWhere(array, f) {
var outIndex = 0;
for (var _i = 0, array_3 = array; _i < array_3.length; _i++) {
var item = array_3[_i];
if (!f(item)) {
array[outIndex] = item;
outIndex++;
}
}
if (outIndex !== array.length) {
array.length = outIndex;
return true;
}
return false;
}
ts.removeWhere = removeWhere;
function filterMutate(array, f) {
var outIndex = 0;
for (var _i = 0, array_4 = array; _i < array_4.length; _i++) {
var item = array_4[_i];
if (f(item)) {
array[outIndex] = item;
outIndex++;
}
}
array.length = outIndex;
}
ts.filterMutate = filterMutate;
function map(array, f) {
var result;
if (array) {
result = [];
for (var _i = 0, array_5 = array; _i < array_5.length; _i++) {
var v = array_5[_i];
result.push(f(v));
}
}
return result;
}
ts.map = map;
function concatenate(array1, array2) {
if (!array2 || !array2.length)
return array1;
if (!array1 || !array1.length)
return array2;
return array1.concat(array2);
}
ts.concatenate = concatenate;
function deduplicate(array, areEqual) {
var result;
if (array) {
result = [];
loop: for (var _i = 0, array_6 = array; _i < array_6.length; _i++) {
var item = array_6[_i];
for (var _a = 0, result_1 = result; _a < result_1.length; _a++) {
var res = result_1[_a];
if (areEqual ? areEqual(res, item) : res === item) {
continue loop;
}
}
result.push(item);
}
}
return result;
}
ts.deduplicate = deduplicate;
function sum(array, prop) {
var result = 0;
for (var _i = 0, array_7 = array; _i < array_7.length; _i++) {
var v = array_7[_i];
result += v[prop];
}
return result;
}
ts.sum = sum;
function addRange(to, from) {
if (to && from) {
for (var _i = 0, from_1 = from; _i < from_1.length; _i++) {
var v = from_1[_i];
to.push(v);
}
}
}
ts.addRange = addRange;
function rangeEquals(array1, array2, pos, end) {
while (pos < end) {
if (array1[pos] !== array2[pos]) {
return false;
}
pos++;
}
return true;
}
ts.rangeEquals = rangeEquals;
function lastOrUndefined(array) {
if (array.length === 0) {
return undefined;
}
return array[array.length - 1];
}
ts.lastOrUndefined = lastOrUndefined;
function binarySearch(array, value, comparer) {
if (!array || array.length === 0) {
return -1;
}
var low = 0;
var high = array.length - 1;
comparer = comparer !== undefined
? comparer
: function (v1, v2) { return (v1 < v2 ? -1 : (v1 > v2 ? 1 : 0)); };
while (low <= high) {
var middle = low + ((high - low) >> 1);
var midValue = array[middle];
if (comparer(midValue, value) === 0) {
return middle;
}
else if (comparer(midValue, value) > 0) {
high = middle - 1;
}
else {
low = middle + 1;
}
}
return ~low;
}
ts.binarySearch = binarySearch;
function reduceLeft(array, f, initial) {
if (array) {
var count = array.length;
if (count > 0) {
var pos = 0;
var result = void 0;
if (arguments.length <= 2) {
result = array[pos];
pos++;
}
else {
result = initial;
}
while (pos < count) {
result = f(result, array[pos]);
pos++;
}
return result;
}
}
return initial;
}
ts.reduceLeft = reduceLeft;
function reduceRight(array, f, initial) {
if (array) {
var pos = array.length - 1;
if (pos >= 0) {
var result = void 0;
if (arguments.length <= 2) {
result = array[pos];
pos--;
}
else {
result = initial;
}
while (pos >= 0) {
result = f(result, array[pos]);
pos--;
}
return result;
}
}
return initial;
}
ts.reduceRight = reduceRight;
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 forEachProperty(map, callback) {
var result;
for (var key in map) {
if (result = callback(map[key], key))
break;
}
return result;
}
ts.forEachProperty = forEachProperty;
function someProperties(map, predicate) {
for (var key in map) {
if (!predicate || predicate(map[key], key))
return true;
}
return false;
}
ts.someProperties = someProperties;
function copyProperties(source, target) {
for (var key in source) {
target[key] = source[key];
}
}
ts.copyProperties = copyProperties;
function reduceProperties(map, callback, initial) {
var result = initial;
for (var key in map) {
result = callback(result, map[key], String(key));
}
return result;
}
ts.reduceProperties = reduceProperties;
function reduceOwnProperties(map, callback, initial) {
var result = initial;
for (var key in map)
if (hasOwnProperty.call(map, key)) {
result = callback(result, map[key], String(key));
}
return result;
}
ts.reduceOwnProperties = reduceOwnProperties;
function equalOwnProperties(left, right, equalityComparer) {
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 ? !equalityComparer(left[key], right[key]) : 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) {
var result = createMap();
for (var _i = 0, array_8 = array; _i < array_8.length; _i++) {
var value = array_8[_i];
result[makeKey(value)] = makeValue ? makeValue(value) : value;
}
return result;
}
ts.arrayToMap = arrayToMap;
function cloneMap(map) {
var clone = createMap();
copyProperties(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 isArray(value) {
return Array.isArray ? Array.isArray(value) : value instanceof Array;
}
ts.isArray = isArray;
function memoize(callback) {
var value;
return function () {
if (callback) {
value = callback();
callback = undefined;
}
return value;
};
}
ts.memoize = memoize;
function formatStringFromArgs(text, args, baseIndex) {
baseIndex = baseIndex || 0;
return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; });
}
ts.localizedDiagnosticMessages = undefined;
function getLocaleSpecificMessage(message) {
return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] || message.message;
}
ts.getLocaleSpecificMessage = getLocaleSpecificMessage;
function createFileDiagnostic(file, start, length, message) {
var end = start + length;
Debug.assert(start >= 0, "start must be non-negative, is " + start);
Debug.assert(length >= 0, "length must be non-negative, is " + length);
if (file) {
Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length);
Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length);
}
var text = getLocaleSpecificMessage(message);
if (arguments.length > 4) {
text = formatStringFromArgs(text, arguments, 4);
}
return {
file: file,
start: start,
length: length,
messageText: text,
category: message.category,
code: message.code
};
}
ts.createFileDiagnostic = createFileDiagnostic;
function formatMessage(dummy, message) {
var text = getLocaleSpecificMessage(message);
if (arguments.length > 2) {
text = formatStringFromArgs(text, arguments, 2);
}
return text;
}
ts.formatMessage = formatMessage;
function createCompilerDiagnostic(message) {
var text = getLocaleSpecificMessage(message);
if (arguments.length > 1) {
text = formatStringFromArgs(text, arguments, 1);
}
return {
file: undefined,
start: undefined,
length: undefined,
messageText: text,
category: message.category,
code: message.code
};
}
ts.createCompilerDiagnostic = createCompilerDiagnostic;
function chainDiagnosticMessages(details, message) {
var text = getLocaleSpecificMessage(message);
if (arguments.length > 2) {
text = formatStringFromArgs(text, arguments, 2);
}
return {
messageText: text,
category: message.category,
code: message.code,
next: details
};
}
ts.chainDiagnosticMessages = chainDiagnosticMessages;
function concatenateDiagnosticMessageChains(headChain, tailChain) {
var lastChain = headChain;
while (lastChain.next) {
lastChain = lastChain.next;
}
lastChain.next = tailChain;
return headChain;
}
ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains;
function compareValues(a, b) {
if (a === b)
return 0;
if (a === undefined)
return -1;
if (b === undefined)
return 1;
return a < b ? -1 : 1;
}
ts.compareValues = compareValues;
function compareStrings(a, b, ignoreCase) {
if (a === b)
return 0;
if (a === undefined)
return -1;
if (b === undefined)
return 1;
if (ignoreCase) {
if (ts.collator && String.prototype.localeCompare) {
var result = a.localeCompare(b, undefined, { usage: "sort", sensitivity: "accent" });
return result < 0 ? -1 : result > 0 ? 1 : 0;
}
a = a.toUpperCase();
b = b.toUpperCase();
if (a === b)
return 0;
}
return a < b ? -1 : 1;
}
ts.compareStrings = compareStrings;
function compareStringsCaseInsensitive(a, b) {
return compareStrings(a, b, true);
}
ts.compareStringsCaseInsensitive = compareStringsCaseInsensitive;
function getDiagnosticFileName(diagnostic) {
return diagnostic.file ? diagnostic.file.fileName : undefined;
}
function compareDiagnostics(d1, d2) {
return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) ||
compareValues(d1.start, d2.start) ||
compareValues(d1.length, d2.length) ||
compareValues(d1.code, d2.code) ||
compareMessageText(d1.messageText, d2.messageText) ||
0;
}
ts.compareDiagnostics = compareDiagnostics;
function compareMessageText(text1, text2) {
while (text1 && text2) {
var string1 = typeof text1 === "string" ? text1 : text1.messageText;
var string2 = typeof text2 === "string" ? text2 : text2.messageText;
var res = compareValues(string1, string2);
if (res) {
return res;
}
text1 = typeof text1 === "string" ? undefined : text1.next;
text2 = typeof text2 === "string" ? undefined : text2.next;
}
if (!text1 && !text2) {
return 0;
}
return text1 ? 1 : -1;
}
function sortAndDeduplicateDiagnostics(diagnostics) {
return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics));
}
ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics;
function deduplicateSortedDiagnostics(diagnostics) {
if (diagnostics.length < 2) {
return diagnostics;
}
var newDiagnostics = [diagnostics[0]];
var previousDiagnostic = diagnostics[0];
for (var i = 1; i < diagnostics.length; i++) {
var currentDiagnostic = diagnostics[i];
var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0;
if (!isDupe) {
newDiagnostics.push(currentDiagnostic);
previousDiagnostic = currentDiagnostic;
}
}
return newDiagnostics;
}
ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics;
function normalizeSlashes(path) {
return path.replace(/\\/g, "/");
}
ts.normalizeSlashes = normalizeSlashes;
function getRootLength(path) {
if (path.charCodeAt(0) === 47) {
if (path.charCodeAt(1) !== 47)
return 1;
var p1 = path.indexOf("/", 2);
if (p1 < 0)
return 2;
var p2 = path.indexOf("/", p1 + 1);
if (p2 < 0)
return p1 + 1;
return p2 + 1;
}
if (path.charCodeAt(1) === 58) {
if (path.charCodeAt(2) === 47)
return 3;
return 2;
}
if (path.lastIndexOf("file:///", 0) === 0) {
return "file:///".length;
}
var idx = path.indexOf("://");
if (idx !== -1) {
return idx + "://".length;
}
return 0;
}
ts.getRootLength = getRootLength;
ts.directorySeparator = "/";
function getNormalizedParts(normalizedSlashedPath, rootLength) {
var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator);
var normalized = [];
for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) {
var part = parts_1[_i];
if (part !== ".") {
if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") {
normalized.pop();
}
else {
if (part) {
normalized.push(part);
}
}
}
}
return normalized;
}
function normalizePath(path) {
path = normalizeSlashes(path);
var rootLength = getRootLength(path);
var normalized = getNormalizedParts(path, rootLength);
return path.substr(0, rootLength) + normalized.join(ts.directorySeparator);
}
ts.normalizePath = normalizePath;
function getDirectoryPath(path) {
return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator)));
}
ts.getDirectoryPath = getDirectoryPath;
function isUrl(path) {
return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1;
}
ts.isUrl = isUrl;
function isRootedDiskPath(path) {
return getRootLength(path) !== 0;
}
ts.isRootedDiskPath = isRootedDiskPath;
function normalizedPathComponents(path, rootLength) {
var normalizedParts = getNormalizedParts(path, rootLength);
return [path.substr(0, rootLength)].concat(normalizedParts);
}
function getNormalizedPathComponents(path, currentDirectory) {
path = normalizeSlashes(path);
var rootLength = getRootLength(path);
if (rootLength === 0) {
path = combinePaths(normalizeSlashes(currentDirectory), path);
rootLength = getRootLength(path);
}
return normalizedPathComponents(path, rootLength);
}
ts.getNormalizedPathComponents = getNormalizedPathComponents;
function getNormalizedAbsolutePath(fileName, currentDirectory) {
return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory));
}
ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath;
function getNormalizedPathFromPathComponents(pathComponents) {
if (pathComponents && pathComponents.length) {
return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator);
}
}
ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents;
function getNormalizedPathComponentsOfUrl(url) {
var urlLength = url.length;
var rootLength = url.indexOf("://") + "://".length;
while (rootLength < urlLength) {
if (url.charCodeAt(rootLength) === 47) {
rootLength++;
}
else {
break;
}
}
if (rootLength === urlLength) {
return [url];
}
var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength);
if (indexOfNextSlash !== -1) {
rootLength = indexOfNextSlash + 1;
return normalizedPathComponents(url, rootLength);
}
else {
return [url + ts.directorySeparator];
}
}
function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) {
if (isUrl(pathOrUrl)) {
return getNormalizedPathComponentsOfUrl(pathOrUrl);
}
else {
return getNormalizedPathComponents(pathOrUrl, currentDirectory);
}
}
function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) {
var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory);
var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory);
if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") {
directoryComponents.length--;
}
var joinStartIndex;
for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) {
if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) {
break;
}
}
if (joinStartIndex) {
var relativePath = "";
var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length);
for (; joinStartIndex < directoryComponents.length; joinStartIndex++) {
if (directoryComponents[joinStartIndex] !== "") {
relativePath = relativePath + ".." + ts.directorySeparator;
}
}
return relativePath + relativePathComponents.join(ts.directorySeparator);
}
var absolutePath = getNormalizedPathFromPathComponents(pathComponents);
if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) {
absolutePath = "file:///" + absolutePath;
}
return absolutePath;
}
ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl;
function getBaseFileName(path) {
if (path === undefined) {
return undefined;
}
var i = path.lastIndexOf(ts.directorySeparator);
return i < 0 ? path : path.substring(i + 1);
}
ts.getBaseFileName = getBaseFileName;
function combinePaths(path1, path2) {
if (!(path1 && path1.length))
return path2;
if (!(path2 && path2.length))
return path1;
if (getRootLength(path2) !== 0)
return path2;
if (path1.charAt(path1.length - 1) === ts.directorySeparator)
return path1 + path2;
return path1 + ts.directorySeparator + path2;
}
ts.combinePaths = combinePaths;
function removeTrailingDirectorySeparator(path) {
if (path.charAt(path.length - 1) === ts.directorySeparator) {
return path.substr(0, path.length - 1);
}
return path;
}
ts.removeTrailingDirectorySeparator = removeTrailingDirectorySeparator;
function ensureTrailingDirectorySeparator(path) {
if (path.charAt(path.length - 1) !== ts.directorySeparator) {
return path + ts.directorySeparator;
}
return path;
}
ts.ensureTrailingDirectorySeparator = ensureTrailingDirectorySeparator;
function comparePaths(a, b, currentDirectory, ignoreCase) {
if (a === b)
return 0;
if (a === undefined)
return -1;
if (b === undefined)
return 1;
a = removeTrailingDirectorySeparator(a);
b = removeTrailingDirectorySeparator(b);
var aComponents = getNormalizedPathComponents(a, currentDirectory);
var bComponents = getNormalizedPathComponents(b, currentDirectory);
var sharedLength = Math.min(aComponents.length, bComponents.length);
for (var i = 0; i < sharedLength; i++) {
var result = compareStrings(aComponents[i], bComponents[i], ignoreCase);
if (result !== 0) {
return result;
}
}
return compareValues(aComponents.length, bComponents.length);
}
ts.comparePaths = comparePaths;
function containsPath(parent, child, currentDirectory, ignoreCase) {
if (parent === undefined || child === undefined)
return false;
if (parent === child)
return true;
parent = removeTrailingDirectorySeparator(parent);
child = removeTrailingDirectorySeparator(child);
if (parent === child)
return true;
var parentComponents = getNormalizedPathComponents(parent, currentDirectory);
var childComponents = getNormalizedPathComponents(child, currentDirectory);
if (childComponents.length < parentComponents.length) {
return false;
}
for (var i = 0; i < parentComponents.length; i++) {
var result = compareStrings(parentComponents[i], childComponents[i], ignoreCase);
if (result !== 0) {
return false;
}
}
return true;
}
ts.containsPath = containsPath;
function startsWith(str, prefix) {
return str.lastIndexOf(prefix, 0) === 0;
}
ts.startsWith = startsWith;
function endsWith(str, suffix) {
var expectedPos = str.length - suffix.length;
return expectedPos >= 0 && str.indexOf(suffix, expectedPos) === expectedPos;
}
ts.endsWith = endsWith;
function fileExtensionIs(path, extension) {
return path.length > extension.length && endsWith(path, extension);
}
ts.fileExtensionIs = fileExtensionIs;
function fileExtensionIsAny(path, extensions) {
for (var _i = 0, extensions_1 = extensions; _i < extensions_1.length; _i++) {
var extension = extensions_1[_i];
if (fileExtensionIs(path, extension)) {
return true;
}
}
return false;
}
ts.fileExtensionIsAny = fileExtensionIsAny;
var reservedCharacterPattern = /[^\w\s\/]/g;
var wildcardCharCodes = [42, 63];
var singleAsteriskRegexFragmentFiles = "([^./]|(\\.(?!min\\.js$))?)*";
var singleAsteriskRegexFragmentOther = "[^/]*";
function getRegularExpressionForWildcard(specs, basePath, usage) {
if (specs === undefined || specs.length === 0) {
return undefined;
}
var replaceWildcardCharacter = usage === "files" ? replaceWildCardCharacterFiles : replaceWildCardCharacterOther;
var singleAsteriskRegexFragment = usage === "files" ? singleAsteriskRegexFragmentFiles : singleAsteriskRegexFragmentOther;
var doubleAsteriskRegexFragment = usage === "exclude" ? "(/.+?)?" : "(/[^/.][^/]*)*?";
var pattern = "";
var hasWrittenSubpattern = false;
spec: for (var _i = 0, specs_1 = specs; _i < specs_1.length; _i++) {
var spec = specs_1[_i];
if (!spec) {
continue;
}
var subpattern = "";
var hasRecursiveDirectoryWildcard = false;
var hasWrittenComponent = false;
var components = getNormalizedPathComponents(spec, basePath);
if (usage !== "exclude" && components[components.length - 1] === "**") {
continue spec;
}
components[0] = removeTrailingDirectorySeparator(components[0]);
var optionalCount = 0;
for (var _a = 0, components_1 = components; _a < components_1.length; _a++) {
var component = components_1[_a];
if (component === "**") {
if (hasRecursiveDirectoryWildcard) {
continue spec;
}
subpattern += doubleAsteriskRegexFragment;
hasRecursiveDirectoryWildcard = true;
hasWrittenComponent = true;
}
else {
if (usage === "directories") {
subpattern += "(";
optionalCount++;
}
if (hasWrittenComponent) {
subpattern += ts.directorySeparator;
}
if (usage !== "exclude") {
if (component.charCodeAt(0) === 42) {
subpattern += "([^./]" + singleAsteriskRegexFragment + ")?";
component = component.substr(1);
}
else if (component.charCodeAt(0) === 63) {
subpattern += "[^./]";
component = component.substr(1);
}
}
subpattern += component.replace(reservedCharacterPattern, replaceWildcardCharacter);
hasWrittenComponent = true;
}
}
while (optionalCount > 0) {
subpattern += ")?";
optionalCount--;
}
if (hasWrittenSubpattern) {
pattern += "|";
}
pattern += "(" + subpattern + ")";
hasWrittenSubpattern = true;
}
if (!pattern) {
return undefined;
}
return "^(" + pattern + (usage === "exclude" ? ")($|/)" : ")$");
}
ts.getRegularExpressionForWildcard = getRegularExpressionForWildcard;
function replaceWildCardCharacterFiles(match) {
return replaceWildcardCharacter(match, singleAsteriskRegexFragmentFiles);
}
function replaceWildCardCharacterOther(match) {
return replaceWildcardCharacter(match, singleAsteriskRegexFragmentOther);
}
function replaceWildcardCharacter(match, singleAsteriskRegexFragment) {
return match === "*" ? singleAsteriskRegexFragment : match === "?" ? "[^/]" : "\\" + match;
}
function getFileMatcherPatterns(path, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory) {
path = normalizePath(path);
currentDirectory = normalizePath(currentDirectory);
var absolutePath = combinePaths(currentDirectory, path);
return {
includeFilePattern: getRegularExpressionForWildcard(includes, absolutePath, "files"),
includeDirectoryPattern: getRegularExpressionForWildcard(includes, absolutePath, "directories"),
excludePattern: getRegularExpressionForWildcard(excludes, absolutePath, "exclude"),
basePaths: getBasePaths(path, includes, useCaseSensitiveFileNames)
};
}
ts.getFileMatcherPatterns = getFileMatcherPatterns;
function matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory, getFileSystemEntries) {
path = normalizePath(path);
currentDirectory = normalizePath(currentDirectory);
var patterns = getFileMatcherPatterns(path, extensions, excludes, includes, useCaseSensitiveFileNames, currentDirectory);
var regexFlag = useCaseSensitiveFileNames ? "" : "i";
var includeFileRegex = patterns.includeFilePattern && new RegExp(patterns.includeFilePattern, regexFlag);
var includeDirectoryRegex = patterns.includeDirectoryPattern && new RegExp(patterns.includeDirectoryPattern, regexFlag);
var excludeRegex = patterns.excludePattern && new RegExp(patterns.excludePattern, regexFlag);
var result = [];
for (var _i = 0, _a = patterns.basePaths; _i < _a.length; _i++) {
var basePath = _a[_i];
visitDirectory(basePath, combinePaths(currentDirectory, basePath));
}
return result;
function visitDirectory(path, absolutePath) {
var _a = getFileSystemEntries(path), files = _a.files, directories = _a.directories;
for (var _i = 0, files_1 = files; _i < files_1.length; _i++) {
var current = files_1[_i];
var name_1 = combinePaths(path, current);
var absoluteName = combinePaths(absolutePath, current);
if ((!extensions || fileExtensionIsAny(name_1, extensions)) &&
(!includeFileRegex || includeFileRegex.test(absoluteName)) &&
(!excludeRegex || !excludeRegex.test(absoluteName))) {
result.push(name_1);
}
}
for (var _b = 0, directories_1 = directories; _b < directories_1.length; _b++) {
var current = directories_1[_b];
var name_2 = combinePaths(path, current);
var absoluteName = combinePaths(absolutePath, current);
if ((!includeDirectoryRegex || includeDirectoryRegex.test(absoluteName)) &&
(!excludeRegex || !excludeRegex.test(absoluteName))) {
visitDirectory(name_2, absoluteName);
}
}
}
}
ts.matchFiles = matchFiles;
function getBasePaths(path, includes, useCaseSensitiveFileNames) {
var basePaths = [path];
if (includes) {
var includeBasePaths = [];
for (var _i = 0, includes_1 = includes; _i < includes_1.length; _i++) {
var include = includes_1[_i];
var absolute = isRootedDiskPath(include) ? include : normalizePath(combinePaths(path, include));
var wildcardOffset = indexOfAnyCharCode(absolute, wildcardCharCodes);
var includeBasePath = wildcardOffset < 0
? removeTrailingDirectorySeparator(getDirectoryPath(absolute))
: absolute.substring(0, absolute.lastIndexOf(ts.directorySeparator, wildcardOffset));
includeBasePaths.push(includeBasePath);
}
includeBasePaths.sort(useCaseSensitiveFileNames ? compareStrings : compareStringsCaseInsensitive);
include: for (var i = 0; i < includeBasePaths.length; i++) {
var includeBasePath = includeBasePaths[i];
for (var j = 0; j < basePaths.length; j++) {
if (containsPath(basePaths[j], includeBasePath, path, !useCaseSensitiveFileNames)) {
continue include;
}
}
basePaths.push(includeBasePath);
}
}
return basePaths;
}
function ensureScriptKind(fileName, scriptKind) {
return (scriptKind || getScriptKindFromFileName(fileName)) || 3;
}
ts.ensureScriptKind = ensureScriptKind;
function getScriptKindFromFileName(fileName) {
var ext = fileName.substr(fileName.lastIndexOf("."));
switch (ext.toLowerCase()) {
case ".js":
return 1;
case ".jsx":
return 2;
case ".ts":
return 3;
case ".tsx":
return 4;
default:
return 0;
}
}
ts.getScriptKindFromFileName = getScriptKindFromFileName;
ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"];
ts.supportedTypescriptExtensionsForExtractExtension = [".d.ts", ".ts", ".tsx"];
ts.supportedJavascriptExtensions = [".js", ".jsx"];
var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions);
function getSupportedExtensions(options) {
return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions;
}
ts.getSupportedExtensions = getSupportedExtensions;
function hasJavaScriptFileExtension(fileName) {
return forEach(ts.supportedJavascriptExtensions, function (extension) { return fileExtensionIs(fileName, extension); });
}
ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension;
function hasTypeScriptFileExtension(fileName) {
return forEach(ts.supportedTypeScriptExtensions, function (extension) { return fileExtensionIs(fileName, extension); });
}
ts.hasTypeScriptFileExtension = hasTypeScriptFileExtension;
function isSupportedSourceFileName(fileName, compilerOptions) {
if (!fileName) {
return false;
}
for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) {
var extension = _a[_i];
if (fileExtensionIs(fileName, extension)) {
return true;
}
}
return false;
}
ts.isSupportedSourceFileName = isSupportedSourceFileName;
function getExtensionPriority(path, supportedExtensions) {
for (var i = supportedExtensions.length - 1; i >= 0; i--) {
if (fileExtensionIs(path, supportedExtensions[i])) {
return adjustExtensionPriority(i);
}
}
return 0;
}
ts.getExtensionPriority = getExtensionPriority;
function adjustExtensionPriority(extensionPriority) {
if (extensionPriority < 2) {
return 0;
}
else if (extensionPriority < 5) {
return 2;
}
else {
return 5;
}
}
ts.adjustExtensionPriority = adjustExtensionPriority;
function getNextLowestExtensionPriority(extensionPriority) {
if (extensionPriority < 2) {
return 2;
}
else {
return 5;
}
}
ts.getNextLowestExtensionPriority = getNextLowestExtensionPriority;
var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"];
function removeFileExtension(path) {
for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) {
var ext = extensionsToRemove_1[_i];
var extensionless = tryRemoveExtension(path, ext);
if (extensionless !== undefined) {
return extensionless;
}
}
return path;
}
ts.removeFileExtension = removeFileExtension;
function tryRemoveExtension(path, extension) {
return fileExtensionIs(path, extension) ? removeExtension(path, extension) : undefined;
}
ts.tryRemoveExtension = tryRemoveExtension;
function removeExtension(path, extension) {
return path.substring(0, path.length - extension.length);
}
ts.removeExtension = removeExtension;
function isJsxOrTsxExtension(ext) {
return ext === ".jsx" || ext === ".tsx";
}
ts.isJsxOrTsxExtension = isJsxOrTsxExtension;
function changeExtension(path, newExtension) {
return (removeFileExtension(path) + newExtension);
}
ts.changeExtension = changeExtension;
function Symbol(flags, name) {
this.flags = flags;
this.name = name;
this.declarations = undefined;
}
function Type(checker, flags) {
this.flags = flags;
}
function Signature(checker) {
}
function Node(kind, pos, end) {
this.kind = kind;
this.pos = pos;
this.end = end;
this.flags = 0;
this.parent = undefined;
}
ts.objectAllocator = {
getNodeConstructor: function () { return Node; },
getTokenConstructor: function () { return Node; },
getIdentifierConstructor: function () { return Node; },
getSourceFileConstructor: function () { return Node; },
getSymbolConstructor: function () { return Symbol; },
getTypeConstructor: function () { return Type; },
getSignatureConstructor: function () { return Signature; }
};
var Debug;
(function (Debug) {
var currentAssertionLevel = 0;
function shouldAssert(level) {
return currentAssertionLevel >= level;
}
Debug.shouldAssert = shouldAssert;
function assert(expression, message, verboseDebugInfo) {
if (!expression) {
var verboseDebugString = "";
if (verboseDebugInfo) {
verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo();
}
debugger;
throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString);
}
}
Debug.assert = assert;
function fail(message) {
Debug.assert(false, message);
}
Debug.fail = fail;
})(Debug = ts.Debug || (ts.Debug = {}));
function copyListRemovingItem(item, list) {
var copiedList = [];
for (var _i = 0, list_1 = list; _i < list_1.length; _i++) {
var e = list_1[_i];
if (e !== item) {
copiedList.push(e);
}
}
return copiedList;
}
ts.copyListRemovingItem = copyListRemovingItem;
function createGetCanonicalFileName(useCaseSensitivefileNames) {
return useCaseSensitivefileNames
? (function (fileName) { return fileName; })
: (function (fileName) { return fileName.toLowerCase(); });
}
ts.createGetCanonicalFileName = createGetCanonicalFileName;
function trace(host, message) {
host.trace(formatMessage.apply(undefined, arguments));
}
ts.trace = trace;
function isTraceEnabled(compilerOptions, host) {
return compilerOptions.traceResolution && host.trace !== undefined;
}
ts.isTraceEnabled = isTraceEnabled;
function hasZeroOrOneAsteriskCharacter(str) {
var seenAsterisk = false;
for (var i = 0; i < str.length; i++) {
if (str.charCodeAt(i) === 42) {
if (!seenAsterisk) {
seenAsterisk = true;
}
else {
return false;
}
}
}
return true;
}
ts.hasZeroOrOneAsteriskCharacter = hasZeroOrOneAsteriskCharacter;
function createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations) {
return { resolvedModule: resolvedFileName ? { resolvedFileName: resolvedFileName, isExternalLibraryImport: isExternalLibraryImport } : undefined, failedLookupLocations: failedLookupLocations };
}
ts.createResolvedModule = createResolvedModule;
function isExternalModuleNameRelative(moduleName) {
return /^\.\.?($|[\\/])/.test(moduleName);
}
ts.isExternalModuleNameRelative = isExternalModuleNameRelative;
function readJson(path, host) {
try {
var jsonText = host.readFile(path);
return jsonText ? JSON.parse(jsonText) : {};
}
catch (e) {
return {};
}
}
ts.readJson = readJson;
function getEmitModuleKind(compilerOptions) {
return typeof compilerOptions.module === "number" ?
compilerOptions.module :
getEmitScriptTarget(compilerOptions) === 2 ? ts.ModuleKind.ES6 : ts.ModuleKind.CommonJS;
}
ts.getEmitModuleKind = getEmitModuleKind;
function getEmitScriptTarget(compilerOptions) {
return compilerOptions.target || 0;
}
ts.getEmitScriptTarget = getEmitScriptTarget;
})(ts || (ts = {}));
var ts;
(function (ts) {
ts.sys = (function () {
function getWScriptSystem() {
var fso = new ActiveXObject("Scripting.FileSystemObject");
var shell = new ActiveXObject("WScript.Shell");
var fileStream = new ActiveXObject("ADODB.Stream");
fileStream.Type = 2;
var binaryStream = new ActiveXObject("ADODB.Stream");
binaryStream.Type = 1;
var args = [];
for (var i = 0; i < WScript.Arguments.length; i++) {
args[i] = WScript.Arguments.Item(i);
}
function readFile(fileName, encoding) {
if (!fso.FileExists(fileName)) {
return undefined;
}
fileStream.Open();
try {
if (encoding) {
fileStream.Charset = encoding;
fileStream.LoadFromFile(fileName);
}
else {
fileStream.Charset = "x-ansi";
fileStream.LoadFromFile(fileName);
var bom = fileStream.ReadText(2) || "";
fileStream.Position = 0;
fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8";
}
return fileStream.ReadText();
}
catch (e) {
throw e;
}
finally {
fileStream.Close();
}
}
function writeFile(fileName, data, writeByteOrderMark) {
fileStream.Open();
binaryStream.Open();
try {
fileStream.Charset = "utf-8";
fileStream.WriteText(data);
if (writeByteOrderMark) {
fileStream.Position = 0;
}
else {
fileStream.Position = 3;
}
fileStream.CopyTo(binaryStream);
binaryStream.SaveToFile(fileName, 2);
}
finally {
binaryStream.Close();
fileStream.Close();
}
}
function getNames(collection) {
var result = [];
for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) {
result.push(e.item().Name);
}
return result.sort();
}
function getDirectories(path) {
var folder = fso.GetFolder(path);
return getNames(folder.subfolders);
}
function getAccessibleFileSystemEntries(path) {
try {
var folder = fso.GetFolder(path || ".");
var files = getNames(folder.files);
var directories = getNames(folder.subfolders);
return { files: files, directories: directories };
}
catch (e) {
return { files: [], directories: [] };
}
}
function readDirectory(path, extensions, excludes, includes) {
return ts.matchFiles(path, extensions, excludes, includes, false, shell.CurrentDirectory, getAccessibleFileSystemEntries);
}
var wscriptSystem = {
args: args,
newLine: "\r\n",
useCaseSensitiveFileNames: false,
write: function (s) {
WScript.StdOut.Write(s);
},
readFile: readFile,
writeFile: writeFile,
resolvePath: function (path) {
return fso.GetAbsolutePathName(path);
},
fileExists: function (path) {
return fso.FileExists(path);
},
directoryExists: function (path) {
return fso.FolderExists(path);
},
createDirectory: function (directoryName) {
if (!wscriptSystem.directoryExists(directoryName)) {
fso.CreateFolder(directoryName);
}
},
getExecutingFilePath: function () {
return WScript.ScriptFullName;
},
getCurrentDirectory: function () {
return shell.CurrentDirectory;
},
getDirectories: getDirectories,
readDirectory: readDirectory,
exit: function (exitCode) {
try {
WScript.Quit(exitCode);
}
catch (e) {
}
}
};
return wscriptSystem;
}
function getNodeSystem() {
var _fs = require("fs");
var _path = require("path");
var _os = require("os");
var _crypto = require("crypto");
var useNonPollingWatchers = process.env["TSC_NONPOLLING_WATCHER"];
function createWatchedFileSet() {
var dirWatchers = ts.createMap();
var fileWatcherCallbacks = ts.createMap();
return { addFile: addFile, removeFile: removeFile };
function reduceDirWatcherRefCountForFile(fileName) {
var dirName = ts.getDirectoryPath(fileName);
var watcher = dirWatchers[dirName];
if (watcher) {
watcher.referenceCount -= 1;
if (watcher.referenceCount <= 0) {
watcher.close();
delete dirWatchers[dirName];
}
}
}
function addDirWatcher(dirPath) {
var watcher = dirWatchers[dirPath];
if (watcher) {
watcher.referenceCount += 1;
return;
}
watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); });
watcher.referenceCount = 1;
dirWatchers[dirPath] = watcher;
return;
}
function addFileWatcherCallback(filePath, callback) {
(fileWatcherCallbacks[filePath] || (fileWatcherCallbacks[filePath] = [])).push(callback);
}
function addFile(fileName, callback) {
addFileWatcherCallback(fileName, callback);
addDirWatcher(ts.getDirectoryPath(fileName));
return { fileName: fileName, callback: callback };
}
function removeFile(watchedFile) {
removeFileWatcherCallback(watchedFile.fileName, watchedFile.callback);
reduceDirWatcherRefCountForFile(watchedFile.fileName);
}
function removeFileWatcherCallback(filePath, callback) {
var callbacks = fileWatcherCallbacks[filePath];
if (callbacks) {
var newCallbacks = ts.copyListRemovingItem(callback, callbacks);
if (newCallbacks.length === 0) {
delete fileWatcherCallbacks[filePath];
}
else {
fileWatcherCallbacks[filePath] = newCallbacks;
}
}
}
function fileEventHandler(eventName, relativeFileName, baseDirPath) {
var fileName = typeof relativeFileName !== "string"
? undefined
: ts.getNormalizedAbsolutePath(relativeFileName, baseDirPath);
if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks[fileName]) {
for (var _i = 0, _a = fileWatcherCallbacks[fileName]; _i < _a.length; _i++) {
var fileCallback = _a[_i];
fileCallback(fileName);
}
}
}
}
var watchedFileSet = createWatchedFileSet();
function isNode4OrLater() {
return parseInt(process.version.charAt(1)) >= 4;
}
var platform = _os.platform();
var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin";
function readFile(fileName, encoding) {
if (!fileExists(fileName)) {
return undefined;
}
var buffer = _fs.readFileSync(fileName);
var len = buffer.length;
if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) {
len &= ~1;
for (var i = 0; i < len; i += 2) {
var temp = buffer[i];
buffer[i] = buffer[i + 1];
buffer[i + 1] = temp;
}
return buffer.toString("utf16le", 2);
}
if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) {
return buffer.toString("utf16le", 2);
}
if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) {
return buffer.toString("utf8", 3);
}
return buffer.toString("utf8");
}
function writeFile(fileName, data, writeByteOrderMark) {
if (writeByteOrderMark) {
data = "\uFEFF" + data;
}
var fd;
try {
fd = _fs.openSync(fileName, "w");
_fs.writeSync(fd, data, undefined, "utf8");
}
finally {
if (fd !== undefined) {
_fs.closeSync(fd);
}
}
}
function getAccessibleFileSystemEntries(path) {
try {
var entries = _fs.readdirSync(path || ".").sort();
var files = [];
var directories = [];
for (var _i = 0, entries_1 = entries; _i < entries_1.length; _i++) {
var entry = entries_1[_i];
if (entry === "." || entry === "..") {
continue;
}
var name_3 = ts.combinePaths(path, entry);
var stat = void 0;
try {
stat = _fs.statSync(name_3);
}
catch (e) {
continue;
}
if (stat.isFile()) {
files.push(entry);
}
else if (stat.isDirectory()) {
directories.push(entry);
}
}
return { files: files, directories: directories };
}
catch (e) {
return { files: [], directories: [] };
}
}
function readDirectory(path, extensions, excludes, includes) {
return ts.matchFiles(path, extensions, excludes, includes, useCaseSensitiveFileNames, process.cwd(), getAccessibleFileSystemEntries);
}
function fileSystemEntryExists(path, entryKind) {
try {
var stat = _fs.statSync(path);
switch (entryKind) {
case 0: return stat.isFile();
case 1: return stat.isDirectory();
}
}
catch (e) {
return false;
}
}
function fileExists(path) {
return fileSystemEntryExists(path, 0);
}
function directoryExists(path) {
return fileSystemEntryExists(path, 1);
}
function getDirectories(path) {
return ts.filter(_fs.readdirSync(path), function (p) { return fileSystemEntryExists(ts.combinePaths(path, p), 1); });
}
var nodeSystem = {
args: process.argv.slice(2),
newLine: _os.EOL,
useCaseSensitiveFileNames: useCaseSensitiveFileNames,
write: function (s) {
process.stdout.write(s);
},
readFile: readFile,
writeFile: writeFile,
watchFile: function (fileName, callback, pollingInterval) {
if (useNonPollingWatchers) {
var watchedFile_1 = watchedFileSet.addFile(fileName, callback);
return {
close: function () { return watchedFileSet.removeFile(watchedFile_1); }
};
}
else {
_fs.watchFile(fileName, { persistent: true, interval: pollingInterval || 250 }, fileChanged);
return {
close: function () { return _fs.unwatchFile(fileName, fileChanged); }
};
}
function fileChanged(curr, prev) {
if (+curr.mtime <= +prev.mtime) {
return;
}
callback(fileName);
}
},
watchDirectory: function (directoryName, callback, recursive) {
var options;
if (!directoryExists(directoryName)) {
return;
}
if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) {
options = { persistent: true, recursive: !!recursive };
}
else {
options = { persistent: true };
}
return _fs.watch(directoryName, options, function (eventName, relativeFileName) {
if (eventName === "rename") {
callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(directoryName, relativeFileName)));
}
;
});
},
resolvePath: function (path) {
return _path.resolve(path);
},
fileExists: fileExists,
directoryExists: directoryExists,
createDirectory: function (directoryName) {
if (!nodeSystem.directoryExists(directoryName)) {
_fs.mkdirSync(directoryName);
}
},
getExecutingFilePath: function () {
return __filename;
},
getCurrentDirectory: function () {
return process.cwd();
},
getDirectories: getDirectories,
readDirectory: readDirectory,
getModifiedTime: function (path) {
try {
return _fs.statSync(path).mtime;
}
catch (e) {
return undefined;
}
},
createHash: function (data) {
var hash = _crypto.createHash("md5");
hash.update(data);
return hash.digest("hex");
},
getMemoryUsage: function () {
if (global.gc) {
global.gc();
}
return process.memoryUsage().heapUsed;
},
getFileSize: function (path) {
try {
var stat = _fs.statSync(path);
if (stat.isFile()) {
return stat.size;
}
}
catch (e) { }
return 0;
},
exit: function (exitCode) {
process.exit(exitCode);
},
realpath: function (path) {
return _fs.realpathSync(path);
}
};
return nodeSystem;
}
function getChakraSystem() {
var realpath = ChakraHost.realpath && (function (path) { return ChakraHost.realpath(path); });
return {
newLine: ChakraHost.newLine || "\r\n",
args: ChakraHost.args,
useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames,
write: ChakraHost.echo,
readFile: function (path, encoding) {
return ChakraHost.readFile(path);
},
writeFile: function (path, data, writeByteOrderMark) {
if (writeByteOrderMark) {
data = "\uFEFF" + data;
}
ChakraHost.writeFile(path, data);
},
resolvePath: ChakraHost.resolvePath,
fileExists: ChakraHost.fileExists,
directoryExists: ChakraHost.directoryExists,
createDirectory: ChakraHost.createDirectory,
getExecutingFilePath: function () { return ChakraHost.executingFile; },
getCurrentDirectory: function () { return ChakraHost.currentDirectory; },
getDirectories: ChakraHost.getDirectories,
readDirectory: function (path, extensions, excludes, includes) {
var pattern = ts.getFileMatcherPatterns(path, extensions, excludes, includes, !!ChakraHost.useCaseSensitiveFileNames, ChakraHost.currentDirectory);
return ChakraHost.readDirectory(path, extensions, pattern.basePaths, pattern.excludePattern, pattern.includeFilePattern, pattern.includeDirectoryPattern);
},
exit: ChakraHost.quit,
realpath: realpath
};
}
function recursiveCreateDirectory(directoryPath, sys) {
var basePath = ts.getDirectoryPath(directoryPath);
var shouldCreateParent = directoryPath !== basePath && !sys.directoryExists(basePath);
if (shouldCreateParent) {
recursiveCreateDirectory(basePath, sys);
}
if (shouldCreateParent || !sys.directoryExists(directoryPath)) {
sys.createDirectory(directoryPath);
}
}
var sys;
if (typeof ChakraHost !== "undefined") {
sys = getChakraSystem();
}
else if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") {
sys = getWScriptSystem();
}
else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") {
sys = getNodeSystem();
}
if (sys) {
var originalWriteFile_1 = sys.writeFile;
sys.writeFile = function (path, data, writeBom) {
var directoryPath = ts.getDirectoryPath(ts.normalizeSlashes(path));
if (directoryPath && !sys.directoryExists(directoryPath)) {
recursiveCreateDirectory(directoryPath, sys);
}
originalWriteFile_1.call(sys, path, data, writeBom);
};
}
return sys;
})();
})(ts || (ts = {}));
var ts;
(function (ts) {
ts.Diagnostics = {
Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." },
Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." },
_0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." },
A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." },
Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." },
Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." },
Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." },
A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." },
Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." },
A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." },
An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." },
An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." },
An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." },
An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." },
An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." },
An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." },
An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." },
readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature: { code: 1024, category: ts.DiagnosticCategory.Error, key: "readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature_1024", message: "'readonly' modifier can only appear on a property declaration or index signature." },
Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." },
_0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." },
_0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." },
_0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." },
super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." },
Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." },
Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." },
A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." },
Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." },
_0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." },
_0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." },
_0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." },
_0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." },
_0_modifier_cannot_appear_on_a_module_or_namespace_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_or_namespace_element_1044", message: "'{0}' modifier cannot appear on a module or namespace element." },
A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." },
A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." },
A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." },
A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." },
A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." },
A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." },
A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." },
A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." },
A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." },
Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." },
Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." },
An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." },
Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." },
Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." },
Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." },
Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." },
_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." },
An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." },
The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise<T> type." },
In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." },
Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." },
_0_modifier_cannot_appear_on_a_type_member: { code: 1070, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_type_member_1070", message: "'{0}' modifier cannot appear on a type member." },
_0_modifier_cannot_appear_on_an_index_signature: { code: 1071, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_an_index_signature_1071", message: "'{0}' modifier cannot appear on an index signature." },
A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." },
Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." },
Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." },
An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." },
_0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." },
_0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." },
Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." },
Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." },
Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." },
An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." },
A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." },
An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." },
_0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." },
Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." },
Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." },
Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." },
with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." },
delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." },
A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." },
A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." },
Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." },
A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." },
Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." },
Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." },
A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." },
Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" },
A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." },
A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." },
An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." },
An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." },
An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." },
An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." },
Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." },
A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." },
Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." },
Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." },
Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." },
Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." },
Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." },
Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." },
Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." },
case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." },
Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." },
Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." },
Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." },
Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." },
Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." },
Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." },
Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." },
Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." },
Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." },
String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." },
Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." },
or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." },
Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." },
Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." },
Cannot_use_imports_exports_or_module_augmentations_when_module_is_none: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_use_imports_exports_or_module_augmentations_when_module_is_none_1148", message: "Cannot use imports, exports, or module augmentations when '--module' is 'none'." },
File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" },
new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array<T>()' instead." },
const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" },
const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." },
let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." },
Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." },
Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." },
An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." },
A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." },
Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." },
A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." },
A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." },
A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." },
A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." },
A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." },
A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." },
extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." },
extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." },
Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." },
implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." },
Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." },
Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." },
Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." },
Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." },
Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." },
Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." },
A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." },
An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." },
Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." },
Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." },
A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." },
A_parameter_property_may_not_be_declared_using_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_declared_using_a_binding_pattern_1187", message: "A parameter property may not be declared using a binding pattern." },
Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." },
The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." },
The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." },
An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." },
Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." },
An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." },
Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." },
Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." },
Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." },
Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." },
An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." },
Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." },
Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." },
Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asteri_1202", message: "Import assignment cannot be used when targeting ECMAScript 2015 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." },
Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_defaul_1203", message: "Export assignment cannot be used when targeting ECMAScript 2015 modules. Consider using 'export default' or another module format instead." },
Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." },
Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." },
Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." },
Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." },
Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." },
A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" },
Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" },
Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." },
Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." },
Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." },
Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." },
Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." },
Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher_1220", message: "Generators are only available when targeting ECMAScript 2015 or higher." },
Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." },
An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." },
_0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." },
Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." },
Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." },
Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." },
Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." },
A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." },
A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." },
A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." },
An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." },
An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." },
An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." },
An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." },
A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." },
The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." },
The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." },
Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." },
Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." },
Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." },
Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." },
abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration_1242", message: "'abstract' modifier can only appear on a class, method, or property declaration." },
_0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." },
Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." },
Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." },
An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." },
A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." },
A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." },
A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." },
Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5: { code: 1250, category: ts.DiagnosticCategory.Error, key: "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_1250", message: "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'." },
Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode: { code: 1251, category: ts.DiagnosticCategory.Error, key: "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_d_1251", message: "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Class definitions are automatically in strict mode." },
Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode: { code: 1252, category: ts.DiagnosticCategory.Error, key: "Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_1252", message: "Function declarations are not allowed inside blocks in strict mode when targeting 'ES3' or 'ES5'. Modules are automatically in strict mode." },
_0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag: { code: 1253, category: ts.DiagnosticCategory.Error, key: "_0_tag_cannot_be_used_independently_as_a_top_level_JSDoc_tag_1253", message: "'{0}' tag cannot be used independently as a top level JSDoc tag." },
with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." },
await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." },
Async_functions_are_only_available_when_targeting_ECMAScript_2015_or_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_2015_or_higher_1311", message: "Async functions are only available when targeting ECMAScript 2015 or higher." },
can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." },
The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." },
Global_module_exports_may_only_appear_in_module_files: { code: 1314, category: ts.DiagnosticCategory.Error, key: "Global_module_exports_may_only_appear_in_module_files_1314", message: "Global module exports may only appear in module files." },
Global_module_exports_may_only_appear_in_declaration_files: { code: 1315, category: ts.DiagnosticCategory.Error, key: "Global_module_exports_may_only_appear_in_declaration_files_1315", message: "Global module exports may only appear in declaration files." },
Global_module_exports_may_only_appear_at_top_level: { code: 1316, category: ts.DiagnosticCategory.Error, key: "Global_module_exports_may_only_appear_at_top_level_1316", message: "Global module exports may only appear at top level." },
A_parameter_property_cannot_be_declared_using_a_rest_parameter: { code: 1317, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_cannot_be_declared_using_a_rest_parameter_1317", message: "A parameter property cannot be declared using a rest parameter." },
Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." },
Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." },
Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." },
Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." },
Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." },
Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." },
File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." },
Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." },
Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." },
An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." },
Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." },
A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." },
An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." },
Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." },
Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." },
Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." },
Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." },
Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." },
Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." },
Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." },
Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." },
Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." },
Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." },
Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." },
Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." },
Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." },
Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." },
Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." },
Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." },
Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." },
Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." },
this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." },
this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." },
this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." },
this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." },
super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." },
super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." },
Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." },
super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." },
Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." },
Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." },
Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." },
An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." },
Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." },
Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." },
Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." },
Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." },
Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" },
Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." },
Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." },
Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." },
Type_0_cannot_be_converted_to_type_1: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Type_0_cannot_be_converted_to_type_1_2352", message: "Type '{0}' cannot be converted to type '{1}'." },
Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." },
No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." },
A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." },
An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." },
The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." },
The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." },
The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." },
The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." },
The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" },
The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." },
The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." },
Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." },
Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." },
Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined: { code: 2366, category: ts.DiagnosticCategory.Error, key: "Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined_2366", message: "Function lacks ending return statement and return type does not include 'undefined'." },
Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" },
A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." },
A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." },
A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." },
Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." },
Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." },
Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." },
Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." },
A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." },
Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." },
A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." },
Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." },
get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." },
A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." },
Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." },
Overload_signatures_must_all_be_exported_or_non_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_non_exported_2383", message: "Overload signatures must all be exported or non-exported." },
Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." },
Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." },
Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." },
Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." },
Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." },
Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." },
Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." },
Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." },
Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." },
Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." },
Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." },
Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." },
Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." },
Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." },
Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." },
Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." },
Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." },
Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." },
Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." },
The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." },
The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." },
Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." },
The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." },
Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." },
Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" },
All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." },
Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." },
Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." },
Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." },
Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" },
Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." },
Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." },
Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." },
A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." },
Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." },
Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." },
Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." },
Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." },
Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" },
All_declarations_of_0_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_0_must_have_identical_type_parameters_2428", message: "All declarations of '{0}' must have identical type parameters." },
Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." },
Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" },
In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." },
A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" },
A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" },
Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." },
Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." },
Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" },
Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" },
Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." },
Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" },
Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." },
Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." },
Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." },
Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." },
Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." },
Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." },
The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." },
Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." },
The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property_2449", message: "The operand of an increment or decrement operator cannot be a constant or a read-only property." },
Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property_2450", message: "Left-hand side of assignment expression cannot be a constant or a read-only property." },
Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." },
An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." },
The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." },
Variable_0_is_used_before_being_assigned: { code: 2454, category: ts.DiagnosticCategory.Error, key: "Variable_0_is_used_before_being_assigned_2454", message: "Variable '{0}' is used before being assigned." },
Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." },
Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." },
Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" },
An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." },
Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." },
Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." },
Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." },
A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" },
A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." },
A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." },
this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." },
super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." },
A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." },
Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." },
The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." },
Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." },
A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." },
Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." },
Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." },
In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." },
const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." },
A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." },
const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." },
const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." },
Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." },
let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." },
Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." },
The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." },
Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" },
The_left_hand_side_of_a_for_of_statement_cannot_be_a_constant_or_a_read_only_property: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_constant_or_a_read_only_property_2485", message: "The left-hand side of a 'for...of' statement cannot be a constant or a read-only property." },
The_left_hand_side_of_a_for_in_statement_cannot_be_a_constant_or_a_read_only_property: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_constant_or_a_read_only_property_2486", message: "The left-hand side of a 'for...in' statement cannot be a constant or a read-only property." },
Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." },
Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." },
An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." },
The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." },
The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." },
Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" },
Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." },
Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." },
Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." },
The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." },
Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." },
Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." },
An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." },
A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." },
A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." },
_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." },
Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." },
No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." },
A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." },
_0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." },
Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." },
No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." },
Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." },
Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." },
Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." },
Overload_signatures_must_all_be_abstract_or_non_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_non_abstract_2512", message: "Overload signatures must all be abstract or non-abstract." },
Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." },
Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." },
Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." },
All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." },
Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." },
A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." },
Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." },
Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." },
The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." },
yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." },
await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." },
Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." },
A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." },
The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." },
A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." },
Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." },
Property_0_is_incompatible_with_index_signature: { code: 2530, category: ts.DiagnosticCategory.Error, key: "Property_0_is_incompatible_with_index_signature_2530", message: "Property '{0}' is incompatible with index signature." },
Object_is_possibly_null: { code: 2531, category: ts.DiagnosticCategory.Error, key: "Object_is_possibly_null_2531", message: "Object is possibly 'null'." },
Object_is_possibly_undefined: { code: 2532, category: ts.DiagnosticCategory.Error, key: "Object_is_possibly_undefined_2532", message: "Object is possibly 'undefined'." },
Object_is_possibly_null_or_undefined: { code: 2533, category: ts.DiagnosticCategory.Error, key: "Object_is_possibly_null_or_undefined_2533", message: "Object is possibly 'null' or 'undefined'." },
A_function_returning_never_cannot_have_a_reachable_end_point: { code: 2534, category: ts.DiagnosticCategory.Error, key: "A_function_returning_never_cannot_have_a_reachable_end_point_2534", message: "A function returning 'never' cannot have a reachable end point." },
Enum_type_0_has_members_with_initializers_that_are_not_literals: { code: 2535, category: ts.DiagnosticCategory.Error, key: "Enum_type_0_has_members_with_initializers_that_are_not_literals_2535", message: "Enum type '{0}' has members with initializers that are not literals." },
JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." },
The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." },
JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." },
Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" },
JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." },
JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." },
Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." },
JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" },
The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" },
Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" },
A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." },
Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." },
Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." },
Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." },
Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." },
JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" },
Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" },
super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." },
super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." },
Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module_2661", message: "Cannot export '{0}'. Only local declarations can be exported from a module." },
Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" },
Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" },
Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." },
Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." },
Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." },
export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." },
Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." },
Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." },
Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." },
Cannot_assign_a_0_constructor_type_to_a_1_constructor_type: { code: 2672, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_a_0_constructor_type_to_a_1_constructor_type_2672", message: "Cannot assign a '{0}' constructor type to a '{1}' constructor type." },
Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration: { code: 2673, category: ts.DiagnosticCategory.Error, key: "Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration_2673", message: "Constructor of class '{0}' is private and only accessible within the class declaration." },
Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration: { code: 2674, category: ts.DiagnosticCategory.Error, key: "Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration_2674", message: "Constructor of class '{0}' is protected and only accessible within the class declaration." },
Cannot_extend_a_class_0_Class_constructor_is_marked_as_private: { code: 2675, category: ts.DiagnosticCategory.Error, key: "Cannot_extend_a_class_0_Class_constructor_is_marked_as_private_2675", message: "Cannot extend a class '{0}'. Class constructor is marked as private." },
Accessors_must_both_be_abstract_or_non_abstract: { code: 2676, category: ts.DiagnosticCategory.Error, key: "Accessors_must_both_be_abstract_or_non_abstract_2676", message: "Accessors must both be abstract or non-abstract." },
A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type: { code: 2677, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type_2677", message: "A type predicate's type must be assignable to its parameter's type." },
Type_0_is_not_comparable_to_type_1: { code: 2678, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_comparable_to_type_1_2678", message: "Type '{0}' is not comparable to type '{1}'." },
A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void: { code: 2679, category: ts.DiagnosticCategory.Error, key: "A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void_2679", message: "A function that is called with the 'new' keyword cannot have a 'this' type that is 'void'." },
A_this_parameter_must_be_the_first_parameter: { code: 2680, category: ts.DiagnosticCategory.Error, key: "A_this_parameter_must_be_the_first_parameter_2680", message: "A 'this' parameter must be the first parameter." },
A_constructor_cannot_have_a_this_parameter: { code: 2681, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_have_a_this_parameter_2681", message: "A constructor cannot have a 'this' parameter." },
get_and_set_accessor_must_have_the_same_this_type: { code: 2682, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_this_type_2682", message: "'get' and 'set' accessor must have the same 'this' type." },
this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation: { code: 2683, category: ts.DiagnosticCategory.Error, key: "this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_2683", message: "'this' implicitly has type 'any' because it does not have a type annotation." },
The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1: { code: 2684, category: ts.DiagnosticCategory.Error, key: "The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1_2684", message: "The 'this' context of type '{0}' is not assignable to method's 'this' of type '{1}'." },
The_this_types_of_each_signature_are_incompatible: { code: 2685, category: ts.DiagnosticCategory.Error, key: "The_this_types_of_each_signature_are_incompatible_2685", message: "The 'this' types of each signature are incompatible." },
Identifier_0_must_be_imported_from_a_module: { code: 2686, category: ts.DiagnosticCategory.Error, key: "Identifier_0_must_be_imported_from_a_module_2686", message: "Identifier '{0}' must be imported from a module" },
All_declarations_of_0_must_have_identical_modifiers: { code: 2687, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_0_must_have_identical_modifiers_2687", message: "All declarations of '{0}' must have identical modifiers." },
Cannot_find_type_definition_file_for_0: { code: 2688, category: ts.DiagnosticCategory.Error, key: "Cannot_find_type_definition_file_for_0_2688", message: "Cannot find type definition file for '{0}'." },
Cannot_extend_an_interface_0_Did_you_mean_implements: { code: 2689, category: ts.DiagnosticCategory.Error, key: "Cannot_extend_an_interface_0_Did_you_mean_implements_2689", message: "Cannot extend an interface '{0}'. Did you mean 'implements'?" },
A_class_must_be_declared_after_its_base_class: { code: 2690, category: ts.DiagnosticCategory.Error, key: "A_class_must_be_declared_after_its_base_class_2690", message: "A class must be declared after its base class." },
An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead: { code: 2691, category: ts.DiagnosticCategory.Error, key: "An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead_2691", message: "An import path cannot end with a '{0}' extension. Consider importing '{1}' instead." },
_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible: { code: 2692, category: ts.DiagnosticCategory.Error, key: "_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692", message: "'{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible." },
Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." },
Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." },
Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." },
Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." },
Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." },
Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." },
Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." },
Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." },
Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." },
Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." },
Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." },
Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." },
Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." },
Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." },
Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." },
Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." },
Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." },
Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." },
Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." },
Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." },
Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." },
Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." },
Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." },
Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." },
Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." },
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." },
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." },
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." },
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." },
Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." },
Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." },
Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." },
Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." },
Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." },
Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." },
Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." },
Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." },
Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." },
Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." },
Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." },
Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." },
Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." },
Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." },
Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." },
Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." },
Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." },
Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." },
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." },
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." },
Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." },
Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." },
Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." },
Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." },
Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." },
Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." },
Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." },
Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict: { code: 4090, category: ts.DiagnosticCategory.Message, key: "Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_librar_4090", message: "Conflicting definitions for '{0}' found at '{1}' and '{2}'. Consider installing a specific version of this library to resolve the conflict." },
The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." },
Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." },
File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: { code: 5010, category: ts.DiagnosticCategory.Error, key: "File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0_5010", message: "File specification cannot end in a recursive directory wildcard ('**'): '{0}'." },
File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0: { code: 5011, category: ts.DiagnosticCategory.Error, key: "File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0_5011", message: "File specification cannot contain multiple recursive directory wildcards ('**'): '{0}'." },
Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" },
Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." },
Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." },
Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." },
Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." },
Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" },
Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." },
Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." },
Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided_5051", message: "Option '{0} can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." },
Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." },
Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." },
A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." },
Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." },
Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." },
Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" },
The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" },
Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalid value for '--reactNamespace'. '{0}' is not a valid identifier." },
Option_paths_cannot_be_used_without_specifying_baseUrl_option: { code: 5060, category: ts.DiagnosticCategory.Error, key: "Option_paths_cannot_be_used_without_specifying_baseUrl_option_5060", message: "Option 'paths' cannot be used without specifying '--baseUrl' option." },
Pattern_0_can_have_at_most_one_Asterisk_character: { code: 5061, category: ts.DiagnosticCategory.Error, key: "Pattern_0_can_have_at_most_one_Asterisk_character_5061", message: "Pattern '{0}' can have at most one '*' character" },
Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character: { code: 5062, category: ts.DiagnosticCategory.Error, key: "Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character_5062", message: "Substitution '{0}' in pattern '{1}' in can have at most one '*' character" },
Substitutions_for_pattern_0_should_be_an_array: { code: 5063, category: ts.DiagnosticCategory.Error, key: "Substitutions_for_pattern_0_should_be_an_array_5063", message: "Substitutions for pattern '{0}' should be an array." },
Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2: { code: 5064, category: ts.DiagnosticCategory.Error, key: "Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2_5064", message: "Substitution '{0}' for pattern '{1}' has incorrect type, expected 'string', got '{2}'." },
File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0: { code: 5065, category: ts.DiagnosticCategory.Error, key: "File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildca_5065", message: "File specification cannot contain a parent directory ('..') that appears after a recursive directory wildcard ('**'): '{0}'." },
Substitutions_for_pattern_0_shouldn_t_be_an_empty_array: { code: 5066, category: ts.DiagnosticCategory.Error, key: "Substitutions_for_pattern_0_shouldn_t_be_an_empty_array_5066", message: "Substitutions for pattern '{0}' shouldn't be an empty array." },
Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." },
Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." },
Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specify the location where debugger should locate map files instead of generated locations." },
Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specify the location where debugger should locate TypeScript files instead of source locations." },
Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." },
Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." },
Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." },
Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." },
Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." },
Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." },
Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." },
Skip_type_checking_of_declaration_files: { code: 6012, category: ts.DiagnosticCategory.Message, key: "Skip_type_checking_of_declaration_files_6012", message: "Skip type checking of declaration files." },
Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015'" },
Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" },
Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." },
Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." },
Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." },
Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" },
options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" },
file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" },
Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" },
Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" },
Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" },
Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." },
File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." },
KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" },
FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" },
VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" },
LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" },
DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" },
Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." },
Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." },
Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." },
Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." },
Argument_for_0_option_must_be_Colon_1: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_0_option_must_be_Colon_1_6046", message: "Argument for '{0}' option must be: {1}" },
Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form <language> or <language>-<territory>. For example '{0}' or '{1}'." },
Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." },
Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." },
Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." },
Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." },
File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." },
File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." },
Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." },
Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." },
Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir_6058", message: "Specify the root directory of input files. Use to control the output directory structure with --outDir." },
File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." },
Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specify the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." },
NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" },
Option_0_can_only_be_specified_in_tsconfig_json_file: { code: 6064, category: ts.DiagnosticCategory.Error, key: "Option_0_can_only_be_specified_in_tsconfig_json_file_6064", message: "Option '{0}' can only be specified in 'tsconfig.json' file." },
Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." },
Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." },
Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." },
Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." },
Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." },
Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." },
Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." },
Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" },
Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." },
Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." },
Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." },
Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." },
Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." },
Specify_library_files_to_be_included_in_the_compilation_Colon: { code: 6079, category: ts.DiagnosticCategory.Message, key: "Specify_library_files_to_be_included_in_the_compilation_Colon_6079", message: "Specify library files to be included in the compilation: " },
Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" },
Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." },
Base_directory_to_resolve_non_absolute_module_names: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Base_directory_to_resolve_non_absolute_module_names_6083", message: "Base directory to resolve non-absolute module names." },
Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specify the object invoked for createElement and __spread when targeting 'react' JSX emit" },
Enable_tracing_of_the_name_resolution_process: { code: 6085, category: ts.DiagnosticCategory.Message, key: "Enable_tracing_of_the_name_resolution_process_6085", message: "Enable tracing of the name resolution process." },
Resolving_module_0_from_1: { code: 6086, category: ts.DiagnosticCategory.Message, key: "Resolving_module_0_from_1_6086", message: "======== Resolving module '{0}' from '{1}'. ========" },
Explicitly_specified_module_resolution_kind_Colon_0: { code: 6087, category: ts.DiagnosticCategory.Message, key: "Explicitly_specified_module_resolution_kind_Colon_0_6087", message: "Explicitly specified module resolution kind: '{0}'." },
Module_resolution_kind_is_not_specified_using_0: { code: 6088, category: ts.DiagnosticCategory.Message, key: "Module_resolution_kind_is_not_specified_using_0_6088", message: "Module resolution kind is not specified, using '{0}'." },
Module_name_0_was_successfully_resolved_to_1: { code: 6089, category: ts.DiagnosticCategory.Message, key: "Module_name_0_was_successfully_resolved_to_1_6089", message: "======== Module name '{0}' was successfully resolved to '{1}'. ========" },
Module_name_0_was_not_resolved: { code: 6090, category: ts.DiagnosticCategory.Message, key: "Module_name_0_was_not_resolved_6090", message: "======== Module name '{0}' was not resolved. ========" },
paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0: { code: 6091, category: ts.DiagnosticCategory.Message, key: "paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0_6091", message: "'paths' option is specified, looking for a pattern to match module name '{0}'." },
Module_name_0_matched_pattern_1: { code: 6092, category: ts.DiagnosticCategory.Message, key: "Module_name_0_matched_pattern_1_6092", message: "Module name '{0}', matched pattern '{1}'." },
Trying_substitution_0_candidate_module_location_Colon_1: { code: 6093, category: ts.DiagnosticCategory.Message, key: "Trying_substitution_0_candidate_module_location_Colon_1_6093", message: "Trying substitution '{0}', candidate module location: '{1}'." },
Resolving_module_name_0_relative_to_base_url_1_2: { code: 6094, category: ts.DiagnosticCategory.Message, key: "Resolving_module_name_0_relative_to_base_url_1_2_6094", message: "Resolving module name '{0}' relative to base url '{1}' - '{2}'." },
Loading_module_as_file_Slash_folder_candidate_module_location_0: { code: 6095, category: ts.DiagnosticCategory.Message, key: "Loading_module_as_file_Slash_folder_candidate_module_location_0_6095", message: "Loading module as file / folder, candidate module location '{0}'." },
File_0_does_not_exist: { code: 6096, category: ts.DiagnosticCategory.Message, key: "File_0_does_not_exist_6096", message: "File '{0}' does not exist." },
File_0_exist_use_it_as_a_name_resolution_result: { code: 6097, category: ts.DiagnosticCategory.Message, key: "File_0_exist_use_it_as_a_name_resolution_result_6097", message: "File '{0}' exist - use it as a name resolution result." },
Loading_module_0_from_node_modules_folder: { code: 6098, category: ts.DiagnosticCategory.Message, key: "Loading_module_0_from_node_modules_folder_6098", message: "Loading module '{0}' from 'node_modules' folder." },
Found_package_json_at_0: { code: 6099, category: ts.DiagnosticCategory.Message, key: "Found_package_json_at_0_6099", message: "Found 'package.json' at '{0}'." },
package_json_does_not_have_types_field: { code: 6100, category: ts.DiagnosticCategory.Message, key: "package_json_does_not_have_types_field_6100", message: "'package.json' does not have 'types' field." },
package_json_has_0_field_1_that_references_2: { code: 6101, category: ts.DiagnosticCategory.Message, key: "package_json_has_0_field_1_that_references_2_6101", message: "'package.json' has '{0}' field '{1}' that references '{2}'." },
Allow_javascript_files_to_be_compiled: { code: 6102, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6102", message: "Allow javascript files to be compiled." },
Option_0_should_have_array_of_strings_as_a_value: { code: 6103, category: ts.DiagnosticCategory.Error, key: "Option_0_should_have_array_of_strings_as_a_value_6103", message: "Option '{0}' should have array of strings as a value." },
Checking_if_0_is_the_longest_matching_prefix_for_1_2: { code: 6104, category: ts.DiagnosticCategory.Message, key: "Checking_if_0_is_the_longest_matching_prefix_for_1_2_6104", message: "Checking if '{0}' is the longest matching prefix for '{1}' - '{2}'." },
Expected_type_of_0_field_in_package_json_to_be_string_got_1: { code: 6105, category: ts.DiagnosticCategory.Message, key: "Expected_type_of_0_field_in_package_json_to_be_string_got_1_6105", message: "Expected type of '{0}' field in 'package.json' to be 'string', got '{1}'." },
baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1: { code: 6106, category: ts.DiagnosticCategory.Message, key: "baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1_6106", message: "'baseUrl' option is set to '{0}', using this value to resolve non-relative module name '{1}'" },
rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0: { code: 6107, category: ts.DiagnosticCategory.Message, key: "rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0_6107", message: "'rootDirs' option is set, using it to resolve relative module name '{0}'" },
Longest_matching_prefix_for_0_is_1: { code: 6108, category: ts.DiagnosticCategory.Message, key: "Longest_matching_prefix_for_0_is_1_6108", message: "Longest matching prefix for '{0}' is '{1}'" },
Loading_0_from_the_root_dir_1_candidate_location_2: { code: 6109, category: ts.DiagnosticCategory.Message, key: "Loading_0_from_the_root_dir_1_candidate_location_2_6109", message: "Loading '{0}' from the root dir '{1}', candidate location '{2}'" },
Trying_other_entries_in_rootDirs: { code: 6110, category: ts.DiagnosticCategory.Message, key: "Trying_other_entries_in_rootDirs_6110", message: "Trying other entries in 'rootDirs'" },
Module_resolution_using_rootDirs_has_failed: { code: 6111, category: ts.DiagnosticCategory.Message, key: "Module_resolution_using_rootDirs_has_failed_6111", message: "Module resolution using 'rootDirs' has failed" },
Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." },
Enable_strict_null_checks: { code: 6113, category: ts.DiagnosticCategory.Message, key: "Enable_strict_null_checks_6113", message: "Enable strict null checks." },
Unknown_option_excludes_Did_you_mean_exclude: { code: 6114, category: ts.DiagnosticCategory.Error, key: "Unknown_option_excludes_Did_you_mean_exclude_6114", message: "Unknown option 'excludes'. Did you mean 'exclude'?" },
Raise_error_on_this_expressions_with_an_implied_any_type: { code: 6115, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_this_expressions_with_an_implied_any_type_6115", message: "Raise error on 'this' expressions with an implied 'any' type." },
Resolving_type_reference_directive_0_containing_file_1_root_directory_2: { code: 6116, category: ts.DiagnosticCategory.Message, key: "Resolving_type_reference_directive_0_containing_file_1_root_directory_2_6116", message: "======== Resolving type reference directive '{0}', containing file '{1}', root directory '{2}'. ========" },
Resolving_using_primary_search_paths: { code: 6117, category: ts.DiagnosticCategory.Message, key: "Resolving_using_primary_search_paths_6117", message: "Resolving using primary search paths..." },
Resolving_from_node_modules_folder: { code: 6118, category: ts.DiagnosticCategory.Message, key: "Resolving_from_node_modules_folder_6118", message: "Resolving from node_modules folder..." },
Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2: { code: 6119, category: ts.DiagnosticCategory.Message, key: "Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2_6119", message: "======== Type reference directive '{0}' was successfully resolved to '{1}', primary: {2}. ========" },
Type_reference_directive_0_was_not_resolved: { code: 6120, category: ts.DiagnosticCategory.Message, key: "Type_reference_directive_0_was_not_resolved_6120", message: "======== Type reference directive '{0}' was not resolved. ========" },
Resolving_with_primary_search_path_0: { code: 6121, category: ts.DiagnosticCategory.Message, key: "Resolving_with_primary_search_path_0_6121", message: "Resolving with primary search path '{0}'" },
Root_directory_cannot_be_determined_skipping_primary_search_paths: { code: 6122, category: ts.DiagnosticCategory.Message, key: "Root_directory_cannot_be_determined_skipping_primary_search_paths_6122", message: "Root directory cannot be determined, skipping primary search paths." },
Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set: { code: 6123, category: ts.DiagnosticCategory.Message, key: "Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set_6123", message: "======== Resolving type reference directive '{0}', containing file '{1}', root directory not set. ========" },
Type_declaration_files_to_be_included_in_compilation: { code: 6124, category: ts.DiagnosticCategory.Message, key: "Type_declaration_files_to_be_included_in_compilation_6124", message: "Type declaration files to be included in compilation." },
Looking_up_in_node_modules_folder_initial_location_0: { code: 6125, category: ts.DiagnosticCategory.Message, key: "Looking_up_in_node_modules_folder_initial_location_0_6125", message: "Looking up in 'node_modules' folder, initial location '{0}'" },
Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder: { code: 6126, category: ts.DiagnosticCategory.Message, key: "Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_mod_6126", message: "Containing file is not specified and root directory cannot be determined, skipping lookup in 'node_modules' folder." },
Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1: { code: 6127, category: ts.DiagnosticCategory.Message, key: "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1_6127", message: "======== Resolving type reference directive '{0}', containing file not set, root directory '{1}'. ========" },
Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set: { code: 6128, category: ts.DiagnosticCategory.Message, key: "Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set_6128", message: "======== Resolving type reference directive '{0}', containing file not set, root directory not set. ========" },
The_config_file_0_found_doesn_t_contain_any_source_files: { code: 6129, category: ts.DiagnosticCategory.Error, key: "The_config_file_0_found_doesn_t_contain_any_source_files_6129", message: "The config file '{0}' found doesn't contain any source files." },
Resolving_real_path_for_0_result_1: { code: 6130, category: ts.DiagnosticCategory.Message, key: "Resolving_real_path_for_0_result_1_6130", message: "Resolving real path for '{0}', result '{1}'" },
Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system: { code: 6131, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system_6131", message: "Cannot compile modules using option '{0}' unless the '--module' flag is 'amd' or 'system'." },
File_name_0_has_a_1_extension_stripping_it: { code: 6132, category: ts.DiagnosticCategory.Message, key: "File_name_0_has_a_1_extension_stripping_it_6132", message: "File name '{0}' has a '{1}' extension - stripping it" },
_0_is_declared_but_never_used: { code: 6133, category: ts.DiagnosticCategory.Error, key: "_0_is_declared_but_never_used_6133", message: "'{0}' is declared but never used." },
Report_errors_on_unused_locals: { code: 6134, category: ts.DiagnosticCategory.Message, key: "Report_errors_on_unused_locals_6134", message: "Report errors on unused locals." },
Report_errors_on_unused_parameters: { code: 6135, category: ts.DiagnosticCategory.Message, key: "Report_errors_on_unused_parameters_6135", message: "Report errors on unused parameters." },
The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files: { code: 6136, category: ts.DiagnosticCategory.Message, key: "The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files_6136", message: "The maximum dependency depth to search under node_modules and load JavaScript files" },
No_types_specified_in_package_json_but_allowJs_is_set_so_returning_main_value_of_0: { code: 6137, category: ts.DiagnosticCategory.Message, key: "No_types_specified_in_package_json_but_allowJs_is_set_so_returning_main_value_of_0_6137", message: "No types specified in 'package.json' but 'allowJs' is set, so returning 'main' value of '{0}'" },
Property_0_is_declared_but_never_used: { code: 6138, category: ts.DiagnosticCategory.Error, key: "Property_0_is_declared_but_never_used_6138", message: "Property '{0}' is declared but never used." },
Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using_cache_location_2: { code: 6139, category: ts.DiagnosticCategory.Error, key: "Auto_discovery_for_typings_is_enabled_in_project_0_Running_extra_resolution_pass_for_module_1_using__6139", message: "Auto discovery for typings is enabled in project '{0}'. Running extra resolution pass for module '{1}' using cache location '{2}'." },
Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." },
Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." },
Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." },
new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." },
_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." },
Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." },
Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." },
Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." },
Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." },
Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." },
Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." },
Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." },
_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." },
_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." },
Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." },
Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." },
JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" },
Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." },
Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." },
Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." },
Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." },
Binding_element_0_implicitly_has_an_1_type: { code: 7031, category: ts.DiagnosticCategory.Error, key: "Binding_element_0_implicitly_has_an_1_type_7031", message: "Binding element '{0}' implicitly has an '{1}' type." },
Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation: { code: 7032, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation_7032", message: "Property '{0}' implicitly has type 'any', because its set accessor lacks a parameter type annotation." },
Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation: { code: 7033, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation_7033", message: "Property '{0}' implicitly has type 'any', because its get accessor lacks a return type annotation." },
You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." },
You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." },
import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." },
export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." },
type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." },
implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." },
interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." },
module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." },
type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." },
_0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." },
types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." },
type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." },
parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." },
enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." },
type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." },
Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." },
class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." },
JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." },
JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." },
Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." },
JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." },
Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." },
A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" },
An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." },
A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." },
JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." },
super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." },
Unknown_typing_option_0: { code: 17010, category: ts.DiagnosticCategory.Error, key: "Unknown_typing_option_0_17010", message: "Unknown typing option '{0}'." }
};
})(ts || (ts = {}));
var ts;
(function (ts) {
function tokenIsIdentifierOrKeyword(token) {
return token >= 69;
}
ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword;
var textToToken = ts.createMap({
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"any": 117,
"as": 116,
"boolean": 120,
"break": 70,
"case": 71,
"catch": 72,
"class": 73,
"continue": 75,
"const": 74,
"constructor": 121,
"debugger": 76,
"declare": 122,
"default": 77,
"delete": 78,
"do": 79,
"else": 80,
"enum": 81,
"export": 82,
"extends": 83,
"false": 84,
"finally": 85,
"for": 86,
"from": 136,
"function": 87,
"get": 123,
"if": 88,
"implements": 106,
"import": 89,
"in": 90,
"instanceof": 91,
"interface": 107,
"is": 124,
"let": 108,
"module": 125,
"namespace": 126,
"never": 127,
"new": 92,
"null": 93,
"number": 130,
"package": 109,
"private": 110,
"protected": 111,
"public": 112,
"readonly": 128,
"require": 129,
"global": 137,
"return": 94,
"set": 131,
"static": 113,
"string": 132,
"super": 95,
"switch": 96,
"symbol": 133,
"this": 97,
"throw": 98,
"true": 99,
"try": 100,
"type": 134,
"typeof": 101,
"undefined": 135,
"var": 102,
"void": 103,
"while": 104,
"with": 105,
"yield": 114,
"async": 118,
"await": 119,
"of": 138,
"{": 15,
"}": 16,
"(": 17,
")": 18,
"[": 19,
"]": 20,
".": 21,
"...": 22,
";": 23,
",": 24,
"<": 25,
">": 27,
"<=": 28,
">=": 29,
"==": 30,
"!=": 31,
"===": 32,
"!==": 33,
"=>": 34,
"+": 35,
"-": 36,
"**": 38,
"*": 37,
"/": 39,
"%": 40,
"++": 41,
"--": 42,
"<<": 43,
"</": 26,
">>": 44,
">>>": 45,
"&": 46,
"|": 47,
"^": 48,
"!": 49,
"~": 50,
"&&": 51,
"||": 52,
"?": 53,
":": 54,
"=": 56,
"+=": 57,
"-=": 58,
"*=": 59,
"**=": 60,
"/=": 61,
"%=": 62,
"<<=": 63,
">>=": 64,
">>>=": 65,
"&=": 66,
"|=": 67,
"^=": 68,
"@": 55
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11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
function lookupInUnicodeMap(code, map) {
if (code < map[0]) {
return false;
}
var lo = 0;
var hi = map.length;
var mid;
while (lo + 1 < hi) {
mid = lo + (hi - lo) / 2;
mid -= mid % 2;
if (map[mid] <= code && code <= map[mid + 1]) {
return true;
}
if (code < map[mid]) {
hi = mid;
}
else {
lo = mid + 2;
}
}
return false;
}
function isUnicodeIdentifierStart(code, languageVersion) {
return languageVersion >= 1 ?
lookupInUnicodeMap(code, unicodeES5IdentifierStart) :
lookupInUnicodeMap(code, unicodeES3IdentifierStart);
}
ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart;
function isUnicodeIdentifierPart(code, languageVersion) {
return languageVersion >= 1 ?
lookupInUnicodeMap(code, unicodeES5IdentifierPart) :
lookupInUnicodeMap(code, unicodeES3IdentifierPart);
}
function makeReverseMap(source) {
var result = [];
for (var name_4 in source) {
result[source[name_4]] = name_4;
}
return result;
}
var tokenStrings = makeReverseMap(textToToken);
function tokenToString(t) {
return tokenStrings[t];
}
ts.tokenToString = tokenToString;
function stringToToken(s) {
return textToToken[s];
}
ts.stringToToken = stringToToken;
function computeLineStarts(text) {
var result = new Array();
var pos = 0;
var lineStart = 0;
while (pos < text.length) {
var ch = text.charCodeAt(pos);
pos++;
switch (ch) {
case 13:
if (text.charCodeAt(pos) === 10) {
pos++;
}
case 10:
result.push(lineStart);
lineStart = pos;
break;
default:
if (ch > 127 && isLineBreak(ch)) {
result.push(lineStart);
lineStart = pos;
}
break;
}
}
result.push(lineStart);
return result;
}
ts.computeLineStarts = computeLineStarts;
function getPositionOfLineAndCharacter(sourceFile, line, character) {
return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character);
}
ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter;
function computePositionOfLineAndCharacter(lineStarts, line, character) {
ts.Debug.assert(line >= 0 && line < lineStarts.length);
return lineStarts[line] + character;
}
ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter;
function getLineStarts(sourceFile) {
return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text));
}
ts.getLineStarts = getLineStarts;
function computeLineAndCharacterOfPosition(lineStarts, position) {
var lineNumber = ts.binarySearch(lineStarts, position);
if (lineNumber < 0) {
lineNumber = ~lineNumber - 1;
ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file");
}
return {
line: lineNumber,
character: position - lineStarts[lineNumber]
};
}
ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition;
function getLineAndCharacterOfPosition(sourceFile, position) {
return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position);
}
ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition;
var hasOwnProperty = Object.prototype.hasOwnProperty;
function isWhiteSpace(ch) {
return isWhiteSpaceSingleLine(ch) || isLineBreak(ch);
}
ts.isWhiteSpace = isWhiteSpace;
function isWhiteSpaceSingleLine(ch) {
return ch === 32 ||
ch === 9 ||
ch === 11 ||
ch === 12 ||
ch === 160 ||
ch === 133 ||
ch === 5760 ||
ch >= 8192 && ch <= 8203 ||
ch === 8239 ||
ch === 8287 ||
ch === 12288 ||
ch === 65279;
}
ts.isWhiteSpaceSingleLine = isWhiteSpaceSingleLine;
function isLineBreak(ch) {
return ch === 10 ||
ch === 13 ||
ch === 8232 ||
ch === 8233;
}
ts.isLineBreak = isLineBreak;
function isDigit(ch) {
return ch >= 48 && ch <= 57;
}
function isOctalDigit(ch) {
return ch >= 48 && ch <= 55;
}
ts.isOctalDigit = isOctalDigit;
function couldStartTrivia(text, pos) {
var ch = text.charCodeAt(pos);
switch (ch) {
case 13:
case 10:
case 9:
case 11:
case 12:
case 32:
case 47:
case 60:
case 61:
case 62:
return true;
case 35:
return pos === 0;
default:
return ch > 127;
}
}
ts.couldStartTrivia = couldStartTrivia;
function skipTrivia(text, pos, stopAfterLineBreak, stopAtComments) {
if (stopAtComments === void 0) { stopAtComments = false; }
if (!(pos >= 0)) {
return pos;
}
while (true) {
var ch = text.charCodeAt(pos);
switch (ch) {
case 13:
if (text.charCodeAt(pos + 1) === 10) {
pos++;
}
case 10:
pos++;
if (stopAfterLineBreak) {
return pos;
}
continue;
case 9:
case 11:
case 12:
case 32:
pos++;
continue;
case 47:
if (stopAtComments) {
break;
}
if (text.charCodeAt(pos + 1) === 47) {
pos += 2;
while (pos < text.length) {
if (isLineBreak(text.charCodeAt(pos))) {
break;
}
pos++;
}
continue;
}
if (text.charCodeAt(pos + 1) === 42) {
pos += 2;
while (pos < text.length) {
if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) {
pos += 2;
break;
}
pos++;
}
continue;
}
break;
case 60:
case 61:
case 62:
if (isConflictMarkerTrivia(text, pos)) {
pos = scanConflictMarkerTrivia(text, pos);
continue;
}
break;
case 35:
if (pos === 0 && isShebangTrivia(text, pos)) {
pos = scanShebangTrivia(text, pos);
continue;
}
break;
default:
if (ch > 127 && (isWhiteSpace(ch))) {
pos++;
continue;
}
break;
}
return pos;
}
}
ts.skipTrivia = skipTrivia;
var mergeConflictMarkerLength = "<<<<<<<".length;
function isConflictMarkerTrivia(text, pos) {
ts.Debug.assert(pos >= 0);
if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) {
var ch = text.charCodeAt(pos);
if ((pos + mergeConflictMarkerLength) < text.length) {
for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) {
if (text.charCodeAt(pos + i) !== ch) {
return false;
}
}
return ch === 61 ||
text.charCodeAt(pos + mergeConflictMarkerLength) === 32;
}
}
return false;
}
function scanConflictMarkerTrivia(text, pos, error) {
if (error) {
error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength);
}
var ch = text.charCodeAt(pos);
var len = text.length;
if (ch === 60 || ch === 62) {
while (pos < len && !isLineBreak(text.charCodeAt(pos))) {
pos++;
}
}
else {
ts.Debug.assert(ch === 61);
while (pos < len) {
var ch_1 = text.charCodeAt(pos);
if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) {
break;
}
pos++;
}
}
return pos;
}
var shebangTriviaRegex = /^#!.*/;
function isShebangTrivia(text, pos) {
ts.Debug.assert(pos === 0);
return shebangTriviaRegex.test(text);
}
function scanShebangTrivia(text, pos) {
var shebang = shebangTriviaRegex.exec(text)[0];
pos = pos + shebang.length;
return pos;
}
function getCommentRanges(text, pos, trailing) {
var result;
var collecting = trailing || pos === 0;
while (pos < text.length) {
var ch = text.charCodeAt(pos);
switch (ch) {
case 13:
if (text.charCodeAt(pos + 1) === 10) {
pos++;
}
case 10:
pos++;
if (trailing) {
return result;
}
collecting = true;
if (result && result.length) {
ts.lastOrUndefined(result).hasTrailingNewLine = true;
}
continue;
case 9:
case 11:
case 12:
case 32:
pos++;
continue;
case 47:
var nextChar = text.charCodeAt(pos + 1);
var hasTrailingNewLine = false;
if (nextChar === 47 || nextChar === 42) {
var kind = nextChar === 47 ? 2 : 3;
var startPos = pos;
pos += 2;
if (nextChar === 47) {
while (pos < text.length) {
if (isLineBreak(text.charCodeAt(pos))) {
hasTrailingNewLine = true;
break;
}
pos++;
}
}
else {
while (pos < text.length) {
if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) {
pos += 2;
break;
}
pos++;
}
}
if (collecting) {
if (!result) {
result = [];
}
result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind });
}
continue;
}
break;
default:
if (ch > 127 && (isWhiteSpace(ch))) {
if (result && result.length && isLineBreak(ch)) {
ts.lastOrUndefined(result).hasTrailingNewLine = true;
}
pos++;
continue;
}
break;
}
return result;
}
return result;
}
function getLeadingCommentRanges(text, pos) {
return getCommentRanges(text, pos, false);
}
ts.getLeadingCommentRanges = getLeadingCommentRanges;
function getTrailingCommentRanges(text, pos) {
return getCommentRanges(text, pos, true);
}
ts.getTrailingCommentRanges = getTrailingCommentRanges;
function getShebang(text) {
return shebangTriviaRegex.test(text)
? shebangTriviaRegex.exec(text)[0]
: undefined;
}
ts.getShebang = getShebang;
function isIdentifierStart(ch, languageVersion) {
return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 ||
ch === 36 || ch === 95 ||
ch > 127 && isUnicodeIdentifierStart(ch, languageVersion);
}
ts.isIdentifierStart = isIdentifierStart;
function isIdentifierPart(ch, languageVersion) {
return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 ||
ch >= 48 && ch <= 57 || ch === 36 || ch === 95 ||
ch > 127 && isUnicodeIdentifierPart(ch, languageVersion);
}
ts.isIdentifierPart = isIdentifierPart;
function isIdentifier(name, languageVersion) {
if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) {
return false;
}
for (var i = 1, n = name.length; i < n; i++) {
if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) {
return false;
}
}
return true;
}
ts.isIdentifier = isIdentifier;
function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) {
if (languageVariant === void 0) { languageVariant = 0; }
var pos;
var end;
var startPos;
var tokenPos;
var token;
var tokenValue;
var precedingLineBreak;
var hasExtendedUnicodeEscape;
var tokenIsUnterminated;
setText(text, start, length);
return {
getStartPos: function () { return startPos; },
getTextPos: function () { return pos; },
getToken: function () { return token; },
getTokenPos: function () { return tokenPos; },
getTokenText: function () { return text.substring(tokenPos, pos); },
getTokenValue: function () { return tokenValue; },
hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; },
hasPrecedingLineBreak: function () { return precedingLineBreak; },
isIdentifier: function () { return token === 69 || token > 105; },
isReservedWord: function () { return token >= 70 && token <= 105; },
isUnterminated: function () { return tokenIsUnterminated; },
reScanGreaterToken: reScanGreaterToken,
reScanSlashToken: reScanSlashToken,
reScanTemplateToken: reScanTemplateToken,
scanJsxIdentifier: scanJsxIdentifier,
reScanJsxToken: reScanJsxToken,
scanJsxToken: scanJsxToken,
scanJSDocToken: scanJSDocToken,
scan: scan,
getText: getText,
setText: setText,
setScriptTarget: setScriptTarget,
setLanguageVariant: setLanguageVariant,
setOnError: setOnError,
setTextPos: setTextPos,
tryScan: tryScan,
lookAhead: lookAhead,
scanRange: scanRange
};
function error(message, length) {
if (onError) {
onError(message, length || 0);
}
}
function scanNumber() {
var start = pos;
while (isDigit(text.charCodeAt(pos)))
pos++;
if (text.charCodeAt(pos) === 46) {
pos++;
while (isDigit(text.charCodeAt(pos)))
pos++;
}
var end = pos;
if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) {
pos++;
if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45)
pos++;
if (isDigit(text.charCodeAt(pos))) {
pos++;
while (isDigit(text.charCodeAt(pos)))
pos++;
end = pos;
}
else {
error(ts.Diagnostics.Digit_expected);
}
}
return "" + +(text.substring(start, end));
}
function scanOctalDigits() {
var start = pos;
while (isOctalDigit(text.charCodeAt(pos))) {
pos++;
}
return +(text.substring(start, pos));
}
function scanExactNumberOfHexDigits(count) {
return scanHexDigits(count, false);
}
function scanMinimumNumberOfHexDigits(count) {
return scanHexDigits(count, true);
}
function scanHexDigits(minCount, scanAsManyAsPossible) {
var digits = 0;
var value = 0;
while (digits < minCount || scanAsManyAsPossible) {
var ch = text.charCodeAt(pos);
if (ch >= 48 && ch <= 57) {
value = value * 16 + ch - 48;
}
else if (ch >= 65 && ch <= 70) {
value = value * 16 + ch - 65 + 10;
}
else if (ch >= 97 && ch <= 102) {
value = value * 16 + ch - 97 + 10;
}
else {
break;
}
pos++;
digits++;
}
if (digits < minCount) {
value = -1;
}
return value;
}
function scanString() {
var quote = text.charCodeAt(pos);
pos++;
var result = "";
var start = pos;
while (true) {
if (pos >= end) {
result += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_string_literal);
break;
}
var ch = text.charCodeAt(pos);
if (ch === quote) {
result += text.substring(start, pos);
pos++;
break;
}
if (ch === 92) {
result += text.substring(start, pos);
result += scanEscapeSequence();
start = pos;
continue;
}
if (isLineBreak(ch)) {
result += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_string_literal);
break;
}
pos++;
}
return result;
}
function scanTemplateAndSetTokenValue() {
var startedWithBacktick = text.charCodeAt(pos) === 96;
pos++;
var start = pos;
var contents = "";
var resultingToken;
while (true) {
if (pos >= end) {
contents += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_template_literal);
resultingToken = startedWithBacktick ? 11 : 14;
break;
}
var currChar = text.charCodeAt(pos);
if (currChar === 96) {
contents += text.substring(start, pos);
pos++;
resultingToken = startedWithBacktick ? 11 : 14;
break;
}
if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) {
contents += text.substring(start, pos);
pos += 2;
resultingToken = startedWithBacktick ? 12 : 13;
break;
}
if (currChar === 92) {
contents += text.substring(start, pos);
contents += scanEscapeSequence();
start = pos;
continue;
}
if (currChar === 13) {
contents += text.substring(start, pos);
pos++;
if (pos < end && text.charCodeAt(pos) === 10) {
pos++;
}
contents += "\n";
start = pos;
continue;
}
pos++;
}
ts.Debug.assert(resultingToken !== undefined);
tokenValue = contents;
return resultingToken;
}
function scanEscapeSequence() {
pos++;
if (pos >= end) {
error(ts.Diagnostics.Unexpected_end_of_text);
return "";
}
var ch = text.charCodeAt(pos);
pos++;
switch (ch) {
case 48:
return "\0";
case 98:
return "\b";
case 116:
return "\t";
case 110:
return "\n";
case 118:
return "\v";
case 102:
return "\f";
case 114:
return "\r";
case 39:
return "\'";
case 34:
return "\"";
case 117:
if (pos < end && text.charCodeAt(pos) === 123) {
hasExtendedUnicodeEscape = true;
pos++;
return scanExtendedUnicodeEscape();
}
return scanHexadecimalEscape(4);
case 120:
return scanHexadecimalEscape(2);
case 13:
if (pos < end && text.charCodeAt(pos) === 10) {
pos++;
}
case 10:
case 8232:
case 8233:
return "";
default:
return String.fromCharCode(ch);
}
}
function scanHexadecimalEscape(numDigits) {
var escapedValue = scanExactNumberOfHexDigits(numDigits);
if (escapedValue >= 0) {
return String.fromCharCode(escapedValue);
}
else {
error(ts.Diagnostics.Hexadecimal_digit_expected);
return "";
}
}
function scanExtendedUnicodeEscape() {
var escapedValue = scanMinimumNumberOfHexDigits(1);
var isInvalidExtendedEscape = false;
if (escapedValue < 0) {
error(ts.Diagnostics.Hexadecimal_digit_expected);
isInvalidExtendedEscape = true;
}
else if (escapedValue > 0x10FFFF) {
error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive);
isInvalidExtendedEscape = true;
}
if (pos >= end) {
error(ts.Diagnostics.Unexpected_end_of_text);
isInvalidExtendedEscape = true;
}
else if (text.charCodeAt(pos) === 125) {
pos++;
}
else {
error(ts.Diagnostics.Unterminated_Unicode_escape_sequence);
isInvalidExtendedEscape = true;
}
if (isInvalidExtendedEscape) {
return "";
}
return utf16EncodeAsString(escapedValue);
}
function utf16EncodeAsString(codePoint) {
ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF);
if (codePoint <= 65535) {
return String.fromCharCode(codePoint);
}
var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800;
var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00;
return String.fromCharCode(codeUnit1, codeUnit2);
}
function peekUnicodeEscape() {
if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) {
var start_1 = pos;
pos += 2;
var value = scanExactNumberOfHexDigits(4);
pos = start_1;
return value;
}
return -1;
}
function scanIdentifierParts() {
var result = "";
var start = pos;
while (pos < end) {
var ch = text.charCodeAt(pos);
if (isIdentifierPart(ch, languageVersion)) {
pos++;
}
else if (ch === 92) {
ch = peekUnicodeEscape();
if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) {
break;
}
result += text.substring(start, pos);
result += String.fromCharCode(ch);
pos += 6;
start = pos;
}
else {
break;
}
}
result += text.substring(start, pos);
return result;
}
function getIdentifierToken() {
var len = tokenValue.length;
if (len >= 2 && len <= 11) {
var ch = tokenValue.charCodeAt(0);
if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) {
return token = textToToken[tokenValue];
}
}
return token = 69;
}
function scanBinaryOrOctalDigits(base) {
ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8");
var value = 0;
var numberOfDigits = 0;
while (true) {
var ch = text.charCodeAt(pos);
var valueOfCh = ch - 48;
if (!isDigit(ch) || valueOfCh >= base) {
break;
}
value = value * base + valueOfCh;
pos++;
numberOfDigits++;
}
if (numberOfDigits === 0) {
return -1;
}
return value;
}
function scan() {
startPos = pos;
hasExtendedUnicodeEscape = false;
precedingLineBreak = false;
tokenIsUnterminated = false;
while (true) {
tokenPos = pos;
if (pos >= end) {
return token = 1;
}
var ch = text.charCodeAt(pos);
if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) {
pos = scanShebangTrivia(text, pos);
if (skipTrivia) {
continue;
}
else {
return token = 6;
}
}
switch (ch) {
case 10:
case 13:
precedingLineBreak = true;
if (skipTrivia) {
pos++;
continue;
}
else {
if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) {
pos += 2;
}
else {
pos++;
}
return token = 4;
}
case 9:
case 11:
case 12:
case 32:
if (skipTrivia) {
pos++;
continue;
}
else {
while (pos < end && isWhiteSpaceSingleLine(text.charCodeAt(pos))) {
pos++;
}
return token = 5;
}
case 33:
if (text.charCodeAt(pos + 1) === 61) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 33;
}
return pos += 2, token = 31;
}
pos++;
return token = 49;
case 34:
case 39:
tokenValue = scanString();
return token = 9;
case 96:
return token = scanTemplateAndSetTokenValue();
case 37:
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 62;
}
pos++;
return token = 40;
case 38:
if (text.charCodeAt(pos + 1) === 38) {
return pos += 2, token = 51;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 66;
}
pos++;
return token = 46;
case 40:
pos++;
return token = 17;
case 41:
pos++;
return token = 18;
case 42:
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 59;
}
if (text.charCodeAt(pos + 1) === 42) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 60;
}
return pos += 2, token = 38;
}
pos++;
return token = 37;
case 43:
if (text.charCodeAt(pos + 1) === 43) {
return pos += 2, token = 41;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 57;
}
pos++;
return token = 35;
case 44:
pos++;
return token = 24;
case 45:
if (text.charCodeAt(pos + 1) === 45) {
return pos += 2, token = 42;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 58;
}
pos++;
return token = 36;
case 46:
if (isDigit(text.charCodeAt(pos + 1))) {
tokenValue = scanNumber();
return token = 8;
}
if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) {
return pos += 3, token = 22;
}
pos++;
return token = 21;
case 47:
if (text.charCodeAt(pos + 1) === 47) {
pos += 2;
while (pos < end) {
if (isLineBreak(text.charCodeAt(pos))) {
break;
}
pos++;
}
if (skipTrivia) {
continue;
}
else {
return token = 2;
}
}
if (text.charCodeAt(pos + 1) === 42) {
pos += 2;
var commentClosed = false;
while (pos < end) {
var ch_2 = text.charCodeAt(pos);
if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) {
pos += 2;
commentClosed = true;
break;
}
if (isLineBreak(ch_2)) {
precedingLineBreak = true;
}
pos++;
}
if (!commentClosed) {
error(ts.Diagnostics.Asterisk_Slash_expected);
}
if (skipTrivia) {
continue;
}
else {
tokenIsUnterminated = !commentClosed;
return token = 3;
}
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 61;
}
pos++;
return token = 39;
case 48:
if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) {
pos += 2;
var value = scanMinimumNumberOfHexDigits(1);
if (value < 0) {
error(ts.Diagnostics.Hexadecimal_digit_expected);
value = 0;
}
tokenValue = "" + value;
return token = 8;
}
else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) {
pos += 2;
var value = scanBinaryOrOctalDigits(2);
if (value < 0) {
error(ts.Diagnostics.Binary_digit_expected);
value = 0;
}
tokenValue = "" + value;
return token = 8;
}
else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) {
pos += 2;
var value = scanBinaryOrOctalDigits(8);
if (value < 0) {
error(ts.Diagnostics.Octal_digit_expected);
value = 0;
}
tokenValue = "" + value;
return token = 8;
}
if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) {
tokenValue = "" + scanOctalDigits();
return token = 8;
}
case 49:
case 50:
case 51:
case 52:
case 53:
case 54:
case 55:
case 56:
case 57:
tokenValue = scanNumber();
return token = 8;
case 58:
pos++;
return token = 54;
case 59:
pos++;
return token = 23;
case 60:
if (isConflictMarkerTrivia(text, pos)) {
pos = scanConflictMarkerTrivia(text, pos, error);
if (skipTrivia) {
continue;
}
else {
return token = 7;
}
}
if (text.charCodeAt(pos + 1) === 60) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 63;
}
return pos += 2, token = 43;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 28;
}
if (languageVariant === 1 &&
text.charCodeAt(pos + 1) === 47 &&
text.charCodeAt(pos + 2) !== 42) {
return pos += 2, token = 26;
}
pos++;
return token = 25;
case 61:
if (isConflictMarkerTrivia(text, pos)) {
pos = scanConflictMarkerTrivia(text, pos, error);
if (skipTrivia) {
continue;
}
else {
return token = 7;
}
}
if (text.charCodeAt(pos + 1) === 61) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 32;
}
return pos += 2, token = 30;
}
if (text.charCodeAt(pos + 1) === 62) {
return pos += 2, token = 34;
}
pos++;
return token = 56;
case 62:
if (isConflictMarkerTrivia(text, pos)) {
pos = scanConflictMarkerTrivia(text, pos, error);
if (skipTrivia) {
continue;
}
else {
return token = 7;
}
}
pos++;
return token = 27;
case 63:
pos++;
return token = 53;
case 91:
pos++;
return token = 19;
case 93:
pos++;
return token = 20;
case 94:
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 68;
}
pos++;
return token = 48;
case 123:
pos++;
return token = 15;
case 124:
if (text.charCodeAt(pos + 1) === 124) {
return pos += 2, token = 52;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 67;
}
pos++;
return token = 47;
case 125:
pos++;
return token = 16;
case 126:
pos++;
return token = 50;
case 64:
pos++;
return token = 55;
case 92:
var cookedChar = peekUnicodeEscape();
if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) {
pos += 6;
tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts();
return token = getIdentifierToken();
}
error(ts.Diagnostics.Invalid_character);
pos++;
return token = 0;
default:
if (isIdentifierStart(ch, languageVersion)) {
pos++;
while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion))
pos++;
tokenValue = text.substring(tokenPos, pos);
if (ch === 92) {
tokenValue += scanIdentifierParts();
}
return token = getIdentifierToken();
}
else if (isWhiteSpaceSingleLine(ch)) {
pos++;
continue;
}
else if (isLineBreak(ch)) {
precedingLineBreak = true;
pos++;
continue;
}
error(ts.Diagnostics.Invalid_character);
pos++;
return token = 0;
}
}
}
function reScanGreaterToken() {
if (token === 27) {
if (text.charCodeAt(pos) === 62) {
if (text.charCodeAt(pos + 1) === 62) {
if (text.charCodeAt(pos + 2) === 61) {
return pos += 3, token = 65;
}
return pos += 2, token = 45;
}
if (text.charCodeAt(pos + 1) === 61) {
return pos += 2, token = 64;
}
pos++;
return token = 44;
}
if (text.charCodeAt(pos) === 61) {
pos++;
return token = 29;
}
}
return token;
}
function reScanSlashToken() {
if (token === 39 || token === 61) {
var p = tokenPos + 1;
var inEscape = false;
var inCharacterClass = false;
while (true) {
if (p >= end) {
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_regular_expression_literal);
break;
}
var ch = text.charCodeAt(p);
if (isLineBreak(ch)) {
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_regular_expression_literal);
break;
}
if (inEscape) {
inEscape = false;
}
else if (ch === 47 && !inCharacterClass) {
p++;
break;
}
else if (ch === 91) {
inCharacterClass = true;
}
else if (ch === 92) {
inEscape = true;
}
else if (ch === 93) {
inCharacterClass = false;
}
p++;
}
while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) {
p++;
}
pos = p;
tokenValue = text.substring(tokenPos, pos);
token = 10;
}
return token;
}
function reScanTemplateToken() {
ts.Debug.assert(token === 16, "'reScanTemplateToken' should only be called on a '}'");
pos = tokenPos;
return token = scanTemplateAndSetTokenValue();
}
function reScanJsxToken() {
pos = tokenPos = startPos;
return token = scanJsxToken();
}
function scanJsxToken() {
startPos = tokenPos = pos;
if (pos >= end) {
return token = 1;
}
var char = text.charCodeAt(pos);
if (char === 60) {
if (text.charCodeAt(pos + 1) === 47) {
pos += 2;
return token = 26;
}
pos++;
return token = 25;
}
if (char === 123) {
pos++;
return token = 15;
}
while (pos < end) {
pos++;
char = text.charCodeAt(pos);
if ((char === 123) || (char === 60)) {
break;
}
}
return token = 244;
}
function scanJsxIdentifier() {
if (tokenIsIdentifierOrKeyword(token)) {
var firstCharPosition = pos;
while (pos < end) {
var ch = text.charCodeAt(pos);
if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) {
pos++;
}
else {
break;
}
}
tokenValue += text.substr(firstCharPosition, pos - firstCharPosition);
}
return token;
}
function scanJSDocToken() {
if (pos >= end) {
return token = 1;
}
startPos = pos;
var ch = text.charCodeAt(pos);
while (pos < end) {
ch = text.charCodeAt(pos);
if (isWhiteSpaceSingleLine(ch)) {
pos++;
}
else {
break;
}
}
tokenPos = pos;
switch (ch) {
case 64:
return pos += 1, token = 55;
case 10:
case 13:
return pos += 1, token = 4;
case 42:
return pos += 1, token = 37;
case 123:
return pos += 1, token = 15;
case 125:
return pos += 1, token = 16;
case 91:
return pos += 1, token = 19;
case 93:
return pos += 1, token = 20;
case 61:
return pos += 1, token = 56;
case 44:
return pos += 1, token = 24;
}
if (isIdentifierStart(ch, 2)) {
pos++;
while (isIdentifierPart(text.charCodeAt(pos), 2) && pos < end) {
pos++;
}
return token = 69;
}
else {
return pos += 1, token = 0;
}
}
function speculationHelper(callback, isLookahead) {
var savePos = pos;
var saveStartPos = startPos;
var saveTokenPos = tokenPos;
var saveToken = token;
var saveTokenValue = tokenValue;
var savePrecedingLineBreak = precedingLineBreak;
var result = callback();
if (!result || isLookahead) {
pos = savePos;
startPos = saveStartPos;
tokenPos = saveTokenPos;
token = saveToken;
tokenValue = saveTokenValue;
precedingLineBreak = savePrecedingLineBreak;
}
return result;
}
function scanRange(start, length, callback) {
var saveEnd = end;
var savePos = pos;
var saveStartPos = startPos;
var saveTokenPos = tokenPos;
var saveToken = token;
var savePrecedingLineBreak = precedingLineBreak;
var saveTokenValue = tokenValue;
var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape;
var saveTokenIsUnterminated = tokenIsUnterminated;
setText(text, start, length);
var result = callback();
end = saveEnd;
pos = savePos;
startPos = saveStartPos;
tokenPos = saveTokenPos;
token = saveToken;
precedingLineBreak = savePrecedingLineBreak;
tokenValue = saveTokenValue;
hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape;
tokenIsUnterminated = saveTokenIsUnterminated;
return result;
}
function lookAhead(callback) {
return speculationHelper(callback, true);
}
function tryScan(callback) {
return speculationHelper(callback, false);
}
function getText() {
return text;
}
function setText(newText, start, length) {
text = newText || "";
end = length === undefined ? text.length : start + length;
setTextPos(start || 0);
}
function setOnError(errorCallback) {
onError = errorCallback;
}
function setScriptTarget(scriptTarget) {
languageVersion = scriptTarget;
}
function setLanguageVariant(variant) {
languageVariant = variant;
}
function setTextPos(textPos) {
ts.Debug.assert(textPos >= 0);
pos = textPos;
startPos = textPos;
tokenPos = textPos;
token = 0;
precedingLineBreak = false;
tokenValue = undefined;
hasExtendedUnicodeEscape = false;
tokenIsUnterminated = false;
}
}
ts.createScanner = createScanner;
})(ts || (ts = {}));
var ts;
(function (ts) {
function getDeclarationOfKind(symbol, kind) {
var declarations = symbol.declarations;
if (declarations) {
for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) {
var declaration = declarations_1[_i];
if (declaration.kind === kind) {
return declaration;
}
}
}
return undefined;
}
ts.getDeclarationOfKind = getDeclarationOfKind;
var stringWriters = [];
function getSingleLineStringWriter() {
if (stringWriters.length === 0) {
var str_1 = "";
var writeText = function (text) { return str_1 += text; };
return {
string: function () { return str_1; },
writeKeyword: writeText,
writeOperator: writeText,
writePunctuation: writeText,
writeSpace: writeText,
writeStringLiteral: writeText,
writeParameter: writeText,
writeSymbol: writeText,
writeLine: function () { return str_1 += " "; },
increaseIndent: function () { },
decreaseIndent: function () { },
clear: function () { return str_1 = ""; },
trackSymbol: function () { },
reportInaccessibleThisError: function () { }
};
}
return stringWriters.pop();
}
ts.getSingleLineStringWriter = getSingleLineStringWriter;
function releaseStringWriter(writer) {
writer.clear();
stringWriters.push(writer);
}
ts.releaseStringWriter = releaseStringWriter;
function getFullWidth(node) {
return node.end - node.pos;
}
ts.getFullWidth = getFullWidth;
function arrayIsEqualTo(array1, array2, equaler) {
if (!array1 || !array2) {
return array1 === array2;
}
if (array1.length !== array2.length) {
return false;
}
for (var i = 0; i < array1.length; i++) {
var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i];
if (!equals) {
return false;
}
}
return true;
}
ts.arrayIsEqualTo = arrayIsEqualTo;
function hasResolvedModule(sourceFile, moduleNameText) {
return !!(sourceFile.resolvedModules && sourceFile.resolvedModules[moduleNameText]);
}
ts.hasResolvedModule = hasResolvedModule;
function getResolvedModule(sourceFile, moduleNameText) {
return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined;
}
ts.getResolvedModule = getResolvedModule;
function setResolvedModule(sourceFile, moduleNameText, resolvedModule) {
if (!sourceFile.resolvedModules) {
sourceFile.resolvedModules = ts.createMap();
}
sourceFile.resolvedModules[moduleNameText] = resolvedModule;
}
ts.setResolvedModule = setResolvedModule;
function setResolvedTypeReferenceDirective(sourceFile, typeReferenceDirectiveName, resolvedTypeReferenceDirective) {
if (!sourceFile.resolvedTypeReferenceDirectiveNames) {
sourceFile.resolvedTypeReferenceDirectiveNames = ts.createMap();
}
sourceFile.resolvedTypeReferenceDirectiveNames[typeReferenceDirectiveName] = resolvedTypeReferenceDirective;
}
ts.setResolvedTypeReferenceDirective = setResolvedTypeReferenceDirective;
function moduleResolutionIsEqualTo(oldResolution, newResolution) {
return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.isExternalLibraryImport === newResolution.isExternalLibraryImport;
}
ts.moduleResolutionIsEqualTo = moduleResolutionIsEqualTo;
function typeDirectiveIsEqualTo(oldResolution, newResolution) {
return oldResolution.resolvedFileName === newResolution.resolvedFileName && oldResolution.primary === newResolution.primary;
}
ts.typeDirectiveIsEqualTo = typeDirectiveIsEqualTo;
function hasChangesInResolutions(names, newResolutions, oldResolutions, comparer) {
if (names.length !== newResolutions.length) {
return false;
}
for (var i = 0; i < names.length; i++) {
var newResolution = newResolutions[i];
var oldResolution = oldResolutions && oldResolutions[names[i]];
var changed = oldResolution
? !newResolution || !comparer(oldResolution, newResolution)
: newResolution;
if (changed) {
return true;
}
}
return false;
}
ts.hasChangesInResolutions = hasChangesInResolutions;
function containsParseError(node) {
aggregateChildData(node);
return (node.flags & 268435456) !== 0;
}
ts.containsParseError = containsParseError;
function aggregateChildData(node) {
if (!(node.flags & 536870912)) {
var thisNodeOrAnySubNodesHasError = ((node.flags & 67108864) !== 0) ||
ts.forEachChild(node, containsParseError);
if (thisNodeOrAnySubNodesHasError) {
node.flags |= 268435456;
}
node.flags |= 536870912;
}
}
function getSourceFileOfNode(node) {
while (node && node.kind !== 256) {
node = node.parent;
}
return node;
}
ts.getSourceFileOfNode = getSourceFileOfNode;
function isStatementWithLocals(node) {
switch (node.kind) {
case 199:
case 227:
case 206:
case 207:
case 208:
return true;
}
return false;
}
ts.isStatementWithLocals = isStatementWithLocals;
function getStartPositionOfLine(line, sourceFile) {
ts.Debug.assert(line >= 0);
return ts.getLineStarts(sourceFile)[line];
}
ts.getStartPositionOfLine = getStartPositionOfLine;
function nodePosToString(node) {
var file = getSourceFileOfNode(node);
var loc = ts.getLineAndCharacterOfPosition(file, node.pos);
return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")";
}
ts.nodePosToString = nodePosToString;
function getStartPosOfNode(node) {
return node.pos;
}
ts.getStartPosOfNode = getStartPosOfNode;
function getEndLinePosition(line, sourceFile) {
ts.Debug.assert(line >= 0);
var lineStarts = ts.getLineStarts(sourceFile);
var lineIndex = line;
var sourceText = sourceFile.text;
if (lineIndex + 1 === lineStarts.length) {
return sourceText.length - 1;
}
else {
var start = lineStarts[lineIndex];
var pos = lineStarts[lineIndex + 1] - 1;
ts.Debug.assert(ts.isLineBreak(sourceText.charCodeAt(pos)));
while (start <= pos && ts.isLineBreak(sourceText.charCodeAt(pos))) {
pos--;
}
return pos;
}
}
ts.getEndLinePosition = getEndLinePosition;
function nodeIsMissing(node) {
if (!node) {
return true;
}
return node.pos === node.end && node.pos >= 0 && node.kind !== 1;
}
ts.nodeIsMissing = nodeIsMissing;
function nodeIsPresent(node) {
return !nodeIsMissing(node);
}
ts.nodeIsPresent = nodeIsPresent;
function getTokenPosOfNode(node, sourceFile, includeJsDocComment) {
if (nodeIsMissing(node)) {
return node.pos;
}
if (isJSDocNode(node)) {
return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos, false, true);
}
if (includeJsDocComment && node.jsDocComments && node.jsDocComments.length > 0) {
return getTokenPosOfNode(node.jsDocComments[0]);
}
if (node.kind === 286 && node._children.length > 0) {
return getTokenPosOfNode(node._children[0], sourceFile, includeJsDocComment);
}
return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos);
}
ts.getTokenPosOfNode = getTokenPosOfNode;
function isJSDocNode(node) {
return node.kind >= 257 && node.kind <= 282;
}
ts.isJSDocNode = isJSDocNode;
function isJSDocTag(node) {
return node.kind >= 273 && node.kind <= 285;
}
ts.isJSDocTag = isJSDocTag;
function getNonDecoratorTokenPosOfNode(node, sourceFile) {
if (nodeIsMissing(node) || !node.decorators) {
return getTokenPosOfNode(node, sourceFile);
}
return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end);
}
ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode;
function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) {
if (includeTrivia === void 0) { includeTrivia = false; }
if (nodeIsMissing(node)) {
return "";
}
var text = sourceFile.text;
return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end);
}
ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile;
function getTextOfNodeFromSourceText(sourceText, node) {
if (nodeIsMissing(node)) {
return "";
}
return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end);
}
ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText;
function getTextOfNode(node, includeTrivia) {
if (includeTrivia === void 0) { includeTrivia = false; }
return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia);
}
ts.getTextOfNode = getTextOfNode;
function escapeIdentifier(identifier) {
return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier;
}
ts.escapeIdentifier = escapeIdentifier;
function unescapeIdentifier(identifier) {
return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier;
}
ts.unescapeIdentifier = unescapeIdentifier;
function makeIdentifierFromModuleName(moduleName) {
return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_");
}
ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName;
function isBlockOrCatchScoped(declaration) {
return (getCombinedNodeFlags(declaration) & 3072) !== 0 ||
isCatchClauseVariableDeclaration(declaration);
}
ts.isBlockOrCatchScoped = isBlockOrCatchScoped;
function isAmbientModule(node) {
return node && node.kind === 225 &&
(node.name.kind === 9 || isGlobalScopeAugmentation(node));
}
ts.isAmbientModule = isAmbientModule;
function isShorthandAmbientModuleSymbol(moduleSymbol) {
return isShorthandAmbientModule(moduleSymbol.valueDeclaration);
}
ts.isShorthandAmbientModuleSymbol = isShorthandAmbientModuleSymbol;
function isShorthandAmbientModule(node) {
return node.kind === 225 && (!node.body);
}
function isBlockScopedContainerTopLevel(node) {
return node.kind === 256 ||
node.kind === 225 ||
isFunctionLike(node) ||
isFunctionBlock(node);
}
ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel;
function isGlobalScopeAugmentation(module) {
return !!(module.flags & 131072);
}
ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation;
function isExternalModuleAugmentation(node) {
if (!node || !isAmbientModule(node)) {
return false;
}
switch (node.parent.kind) {
case 256:
return ts.isExternalModule(node.parent);
case 226:
return isAmbientModule(node.parent.parent) && !ts.isExternalModule(node.parent.parent.parent);
}
return false;
}
ts.isExternalModuleAugmentation = isExternalModuleAugmentation;
function getEnclosingBlockScopeContainer(node) {
var current = node.parent;
while (current) {
if (isFunctionLike(current)) {
return current;
}
switch (current.kind) {
case 256:
case 227:
case 252:
case 225:
case 206:
case 207:
case 208:
return current;
case 199:
if (!isFunctionLike(current.parent)) {
return current;
}
}
current = current.parent;
}
}
ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer;
function isCatchClauseVariableDeclaration(declaration) {
return declaration &&
declaration.kind === 218 &&
declaration.parent &&
declaration.parent.kind === 252;
}
ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration;
function declarationNameToString(name) {
return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name);
}
ts.declarationNameToString = declarationNameToString;
function createDiagnosticForNode(node, message, arg0, arg1, arg2) {
var sourceFile = getSourceFileOfNode(node);
var span = getErrorSpanForNode(sourceFile, node);
return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2);
}
ts.createDiagnosticForNode = createDiagnosticForNode;
function createDiagnosticForNodeFromMessageChain(node, messageChain) {
var sourceFile = getSourceFileOfNode(node);
var span = getErrorSpanForNode(sourceFile, node);
return {
file: sourceFile,
start: span.start,
length: span.length,
code: messageChain.code,
category: messageChain.category,
messageText: messageChain.next ? messageChain : messageChain.messageText
};
}
ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain;
function getSpanOfTokenAtPosition(sourceFile, pos) {
var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos);
scanner.scan();
var start = scanner.getTokenPos();
return ts.createTextSpanFromBounds(start, scanner.getTextPos());
}
ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition;
function getErrorSpanForArrowFunction(sourceFile, node) {
var pos = ts.skipTrivia(sourceFile.text, node.pos);
if (node.body && node.body.kind === 199) {
var startLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.pos).line;
var endLine = ts.getLineAndCharacterOfPosition(sourceFile, node.body.end).line;
if (startLine < endLine) {
return ts.createTextSpan(pos, getEndLinePosition(startLine, sourceFile) - pos + 1);
}
}
return ts.createTextSpanFromBounds(pos, node.end);
}
function getErrorSpanForNode(sourceFile, node) {
var errorNode = node;
switch (node.kind) {
case 256:
var pos_1 = ts.skipTrivia(sourceFile.text, 0, false);
if (pos_1 === sourceFile.text.length) {
return ts.createTextSpan(0, 0);
}
return getSpanOfTokenAtPosition(sourceFile, pos_1);
case 218:
case 169:
case 221:
case 192:
case 222:
case 225:
case 224:
case 255:
case 220:
case 179:
case 147:
case 149:
case 150:
case 223:
errorNode = node.name;
break;
case 180:
return getErrorSpanForArrowFunction(sourceFile, node);
}
if (errorNode === undefined) {
return getSpanOfTokenAtPosition(sourceFile, node.pos);
}
var pos = nodeIsMissing(errorNode)
? errorNode.pos
: ts.skipTrivia(sourceFile.text, errorNode.pos);
return ts.createTextSpanFromBounds(pos, errorNode.end);
}
ts.getErrorSpanForNode = getErrorSpanForNode;
function isExternalOrCommonJsModule(file) {
return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined;
}
ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule;
function isDeclarationFile(file) {
return file.isDeclarationFile;
}
ts.isDeclarationFile = isDeclarationFile;
function isConstEnumDeclaration(node) {
return node.kind === 224 && isConst(node);
}
ts.isConstEnumDeclaration = isConstEnumDeclaration;
function walkUpBindingElementsAndPatterns(node) {
while (node && (node.kind === 169 || isBindingPattern(node))) {
node = node.parent;
}
return node;
}
function getCombinedNodeFlags(node) {
node = walkUpBindingElementsAndPatterns(node);
var flags = node.flags;
if (node.kind === 218) {
node = node.parent;
}
if (node && node.kind === 219) {
flags |= node.flags;
node = node.parent;
}
if (node && node.kind === 200) {
flags |= node.flags;
}
return flags;
}
ts.getCombinedNodeFlags = getCombinedNodeFlags;
function isConst(node) {
return !!(getCombinedNodeFlags(node) & 2048);
}
ts.isConst = isConst;
function isLet(node) {
return !!(getCombinedNodeFlags(node) & 1024);
}
ts.isLet = isLet;
function isSuperCallExpression(n) {
return n.kind === 174 && n.expression.kind === 95;
}
ts.isSuperCallExpression = isSuperCallExpression;
function isPrologueDirective(node) {
return node.kind === 202 && node.expression.kind === 9;
}
ts.isPrologueDirective = isPrologueDirective;
function getLeadingCommentRangesOfNode(node, sourceFileOfNode) {
return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos);
}
ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode;
function getLeadingCommentRangesOfNodeFromText(node, text) {
return ts.getLeadingCommentRanges(text, node.pos);
}
ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText;
function getJsDocComments(node, sourceFileOfNode) {
return getJsDocCommentsFromText(node, sourceFileOfNode.text);
}
ts.getJsDocComments = getJsDocComments;
function getJsDocCommentsFromText(node, text) {
var commentRanges = (node.kind === 142 ||
node.kind === 141 ||
node.kind === 179 ||
node.kind === 180) ?
ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) :
getLeadingCommentRangesOfNodeFromText(node, text);
return ts.filter(commentRanges, isJsDocComment);
function isJsDocComment(comment) {
return text.charCodeAt(comment.pos + 1) === 42 &&
text.charCodeAt(comment.pos + 2) === 42 &&
text.charCodeAt(comment.pos + 3) !== 47;
}
}
ts.getJsDocCommentsFromText = getJsDocCommentsFromText;
ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*<reference\s+path\s*=\s*)('|")(.+?)\2.*?\/>/;
ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx = /^(\/\/\/\s*<reference\s+types\s*=\s*)('|")(.+?)\2.*?\/>/;
ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*<amd-dependency\s+path\s*=\s*)('|")(.+?)\2.*?\/>/;
function isTypeNode(node) {
if (154 <= node.kind && node.kind <= 166) {
return true;
}
switch (node.kind) {
case 117:
case 130:
case 132:
case 120:
case 133:
case 135:
case 127:
return true;
case 103:
return node.parent.kind !== 183;
case 194:
return !isExpressionWithTypeArgumentsInClassExtendsClause(node);
case 69:
if (node.parent.kind === 139 && node.parent.right === node) {
node = node.parent;
}
else if (node.parent.kind === 172 && node.parent.name === node) {
node = node.parent;
}
ts.Debug.assert(node.kind === 69 || node.kind === 139 || node.kind === 172, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'.");
case 139:
case 172:
case 97:
var parent_1 = node.parent;
if (parent_1.kind === 158) {
return false;
}
if (154 <= parent_1.kind && parent_1.kind <= 166) {
return true;
}
switch (parent_1.kind) {
case 194:
return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1);
case 141:
return node === parent_1.constraint;
case 145:
case 144:
case 142:
case 218:
return node === parent_1.type;
case 220:
case 179:
case 180:
case 148:
case 147:
case 146:
case 149:
case 150:
return node === parent_1.type;
case 151:
case 152:
case 153:
return node === parent_1.type;
case 177:
return node === parent_1.type;
case 174:
case 175:
return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0;
case 176:
return false;
}
}
return false;
}
ts.isTypeNode = isTypeNode;
function forEachReturnStatement(body, visitor) {
return traverse(body);
function traverse(node) {
switch (node.kind) {
case 211:
return visitor(node);
case 227:
case 199:
case 203:
case 204:
case 205:
case 206:
case 207:
case 208:
case 212:
case 213:
case 249:
case 250:
case 214:
case 216:
case 252:
return ts.forEachChild(node, traverse);
}
}
}
ts.forEachReturnStatement = forEachReturnStatement;
function forEachYieldExpression(body, visitor) {
return traverse(body);
function traverse(node) {
switch (node.kind) {
case 190:
visitor(node);
var operand = node.expression;
if (operand) {
traverse(operand);
}
case 224:
case 222:
case 225:
case 223:
case 221:
case 192:
return;
default:
if (isFunctionLike(node)) {
var name_5 = node.name;
if (name_5 && name_5.kind === 140) {
traverse(name_5.expression);
return;
}
}
else if (!isTypeNode(node)) {
ts.forEachChild(node, traverse);
}
}
}
}
ts.forEachYieldExpression = forEachYieldExpression;
function isVariableLike(node) {
if (node) {
switch (node.kind) {
case 169:
case 255:
case 142:
case 253:
case 145:
case 144:
case 254:
case 218:
return true;
}
}
return false;
}
ts.isVariableLike = isVariableLike;
function isAccessor(node) {
return node && (node.kind === 149 || node.kind === 150);
}
ts.isAccessor = isAccessor;
function isClassLike(node) {
return node && (node.kind === 221 || node.kind === 192);
}
ts.isClassLike = isClassLike;
function isFunctionLike(node) {
return node && isFunctionLikeKind(node.kind);
}
ts.isFunctionLike = isFunctionLike;
function isFunctionLikeKind(kind) {
switch (kind) {
case 148:
case 179:
case 220:
case 180:
case 147:
case 146:
case 149:
case 150:
case 151:
case 152:
case 153:
case 156:
case 157:
return true;
}
return false;
}
ts.isFunctionLikeKind = isFunctionLikeKind;
function introducesArgumentsExoticObject(node) {
switch (node.kind) {
case 147:
case 146:
case 148:
case 149:
case 150:
case 220:
case 179:
return true;
}
return false;
}
ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject;
function isIterationStatement(node, lookInLabeledStatements) {
switch (node.kind) {
case 206:
case 207:
case 208:
case 204:
case 205:
return true;
case 214:
return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements);
}
return false;
}
ts.isIterationStatement = isIterationStatement;
function isFunctionBlock(node) {
return node && node.kind === 199 && isFunctionLike(node.parent);
}
ts.isFunctionBlock = isFunctionBlock;
function isObjectLiteralMethod(node) {
return node && node.kind === 147 && node.parent.kind === 171;
}
ts.isObjectLiteralMethod = isObjectLiteralMethod;
function isIdentifierTypePredicate(predicate) {
return predicate && predicate.kind === 1;
}
ts.isIdentifierTypePredicate = isIdentifierTypePredicate;
function isThisTypePredicate(predicate) {
return predicate && predicate.kind === 0;
}
ts.isThisTypePredicate = isThisTypePredicate;
function getContainingFunction(node) {
while (true) {
node = node.parent;
if (!node || isFunctionLike(node)) {
return node;
}
}
}
ts.getContainingFunction = getContainingFunction;
function getContainingClass(node) {
while (true) {
node = node.parent;
if (!node || isClassLike(node)) {
return node;
}
}
}
ts.getContainingClass = getContainingClass;
function getThisContainer(node, includeArrowFunctions) {
while (true) {
node = node.parent;
if (!node) {
return undefined;
}
switch (node.kind) {
case 140:
if (isClassLike(node.parent.parent)) {
return node;
}
node = node.parent;
break;
case 143:
if (node.parent.kind === 142 && isClassElement(node.parent.parent)) {
node = node.parent.parent;
}
else if (isClassElement(node.parent)) {
node = node.parent;
}
break;
case 180:
if (!includeArrowFunctions) {
continue;
}
case 220:
case 179:
case 225:
case 145:
case 144:
case 147:
case 146:
case 148:
case 149:
case 150:
case 151:
case 152:
case 153:
case 224:
case 256:
return node;
}
}
}
ts.getThisContainer = getThisContainer;
function getSuperContainer(node, stopOnFunctions) {
while (true) {
node = node.parent;
if (!node) {
return node;
}
switch (node.kind) {
case 140:
node = node.parent;
break;
case 220:
case 179:
case 180:
if (!stopOnFunctions) {
continue;
}
case 145:
case 144:
case 147:
case 146:
case 148:
case 149:
case 150:
return node;
case 143:
if (node.parent.kind === 142 && isClassElement(node.parent.parent)) {
node = node.parent.parent;
}
else if (isClassElement(node.parent)) {
node = node.parent;
}
break;
}
}
}
ts.getSuperContainer = getSuperContainer;
function getImmediatelyInvokedFunctionExpression(func) {
if (func.kind === 179 || func.kind === 180) {
var prev = func;
var parent_2 = func.parent;
while (parent_2.kind === 178) {
prev = parent_2;
parent_2 = parent_2.parent;
}
if (parent_2.kind === 174 && parent_2.expression === prev) {
return parent_2;
}
}
}
ts.getImmediatelyInvokedFunctionExpression = getImmediatelyInvokedFunctionExpression;
function isSuperPropertyOrElementAccess(node) {
return (node.kind === 172
|| node.kind === 173)
&& node.expression.kind === 95;
}
ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess;
function getEntityNameFromTypeNode(node) {
if (node) {
switch (node.kind) {
case 155:
return node.typeName;
case 194:
ts.Debug.assert(isEntityNameExpression(node.expression));
return node.expression;
case 69:
case 139:
return node;
}
}
return undefined;
}
ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode;
function getInvokedExpression(node) {
if (node.kind === 176) {
return node.tag;
}
return node.expression;
}
ts.getInvokedExpression = getInvokedExpression;
function nodeCanBeDecorated(node) {
switch (node.kind) {
case 221:
return true;
case 145:
return node.parent.kind === 221;
case 149:
case 150:
case 147:
return node.body !== undefined
&& node.parent.kind === 221;
case 142:
return node.parent.body !== undefined
&& (node.parent.kind === 148
|| node.parent.kind === 147
|| node.parent.kind === 150)
&& node.parent.parent.kind === 221;
}
return false;
}
ts.nodeCanBeDecorated = nodeCanBeDecorated;
function nodeIsDecorated(node) {
return node.decorators !== undefined
&& nodeCanBeDecorated(node);
}
ts.nodeIsDecorated = nodeIsDecorated;
function isPropertyAccessExpression(node) {
return node.kind === 172;
}
ts.isPropertyAccessExpression = isPropertyAccessExpression;
function isElementAccessExpression(node) {
return node.kind === 173;
}
ts.isElementAccessExpression = isElementAccessExpression;
function isJSXTagName(node) {
var parent = node.parent;
if (parent.kind === 243 ||
parent.kind === 242 ||
parent.kind === 245) {
return parent.tagName === node;
}
return false;
}
ts.isJSXTagName = isJSXTagName;
function isExpression(node) {
switch (node.kind) {
case 97:
case 95:
case 93:
case 99:
case 84:
case 10:
case 170:
case 171:
case 172:
case 173:
case 174:
case 175:
case 176:
case 195:
case 177:
case 196:
case 178:
case 179:
case 192:
case 180:
case 183:
case 181:
case 182:
case 185:
case 186:
case 187:
case 188:
case 191:
case 189:
case 11:
case 193:
case 241:
case 242:
case 190:
case 184:
return true;
case 139:
while (node.parent.kind === 139) {
node = node.parent;
}
return node.parent.kind === 158 || isJSXTagName(node);
case 69:
if (node.parent.kind === 158 || isJSXTagName(node)) {
return true;
}
case 8:
case 9:
case 97:
var parent_3 = node.parent;
switch (parent_3.kind) {
case 218:
case 142:
case 145:
case 144:
case 255:
case 253:
case 169:
return parent_3.initializer === node;
case 202:
case 203:
case 204:
case 205:
case 211:
case 212:
case 213:
case 249:
case 215:
case 213:
return parent_3.expression === node;
case 206:
var forStatement = parent_3;
return (forStatement.initializer === node && forStatement.initializer.kind !== 219) ||
forStatement.condition === node ||
forStatement.incrementor === node;
case 207:
case 208:
var forInStatement = parent_3;
return (forInStatement.initializer === node && forInStatement.initializer.kind !== 219) ||
forInStatement.expression === node;
case 177:
case 195:
return node === parent_3.expression;
case 197:
return node === parent_3.expression;
case 140:
return node === parent_3.expression;
case 143:
case 248:
case 247:
return true;
case 194:
return parent_3.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_3);
default:
if (isExpression(parent_3)) {
return true;
}
}
}
return false;
}
ts.isExpression = isExpression;
function isInstantiatedModule(node, preserveConstEnums) {
var moduleState = ts.getModuleInstanceState(node);
return moduleState === 1 ||
(preserveConstEnums && moduleState === 2);
}
ts.isInstantiatedModule = isInstantiatedModule;
function isExternalModuleImportEqualsDeclaration(node) {
return node.kind === 229 && node.moduleReference.kind === 240;
}
ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration;
function getExternalModuleImportEqualsDeclarationExpression(node) {
ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node));
return node.moduleReference.expression;
}
ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression;
function isInternalModuleImportEqualsDeclaration(node) {
return node.kind === 229 && node.moduleReference.kind !== 240;
}
ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration;
function isSourceFileJavaScript(file) {
return isInJavaScriptFile(file);
}
ts.isSourceFileJavaScript = isSourceFileJavaScript;
function isInJavaScriptFile(node) {
return node && !!(node.flags & 134217728);
}
ts.isInJavaScriptFile = isInJavaScriptFile;
function isRequireCall(expression, checkArgumentIsStringLiteral) {
var isRequire = expression.kind === 174 &&
expression.expression.kind === 69 &&
expression.expression.text === "require" &&
expression.arguments.length === 1;
return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9);
}
ts.isRequireCall = isRequireCall;
function isSingleOrDoubleQuote(charCode) {
return charCode === 39 || charCode === 34;
}
ts.isSingleOrDoubleQuote = isSingleOrDoubleQuote;
function isDeclarationOfFunctionExpression(s) {
if (s.valueDeclaration && s.valueDeclaration.kind === 218) {
var declaration = s.valueDeclaration;
return declaration.initializer && declaration.initializer.kind === 179;
}
return false;
}
ts.isDeclarationOfFunctionExpression = isDeclarationOfFunctionExpression;
function getSpecialPropertyAssignmentKind(expression) {
if (!isInJavaScriptFile(expression)) {
return 0;
}
if (expression.kind !== 187) {
return 0;
}
var expr = expression;
if (expr.operatorToken.kind !== 56 || expr.left.kind !== 172) {
return 0;
}
var lhs = expr.left;
if (lhs.expression.kind === 69) {
var lhsId = lhs.expression;
if (lhsId.text === "exports") {
return 1;
}
else if (lhsId.text === "module" && lhs.name.text === "exports") {
return 2;
}
}
else if (lhs.expression.kind === 97) {
return 4;
}
else if (lhs.expression.kind === 172) {
var innerPropertyAccess = lhs.expression;
if (innerPropertyAccess.expression.kind === 69) {
var innerPropertyAccessIdentifier = innerPropertyAccess.expression;
if (innerPropertyAccessIdentifier.text === "module" && innerPropertyAccess.name.text === "exports") {
return 1;
}
if (innerPropertyAccess.name.text === "prototype") {
return 3;
}
}
}
return 0;
}
ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind;
function getExternalModuleName(node) {
if (node.kind === 230) {
return node.moduleSpecifier;
}
if (node.kind === 229) {
var reference = node.moduleReference;
if (reference.kind === 240) {
return reference.expression;
}
}
if (node.kind === 236) {
return node.moduleSpecifier;
}
if (node.kind === 225 && node.name.kind === 9) {
return node.name;
}
}
ts.getExternalModuleName = getExternalModuleName;
function hasQuestionToken(node) {
if (node) {
switch (node.kind) {
case 142:
case 147:
case 146:
case 254:
case 253:
case 145:
case 144:
return node.questionToken !== undefined;
}
}
return false;
}
ts.hasQuestionToken = hasQuestionToken;
function isJSDocConstructSignature(node) {
return node.kind === 269 &&
node.parameters.length > 0 &&
node.parameters[0].type.kind === 271;
}
ts.isJSDocConstructSignature = isJSDocConstructSignature;
function getJSDocTag(node, kind, checkParentVariableStatement) {
if (!node) {
return undefined;
}
var jsDocComments = getJSDocComments(node, checkParentVariableStatement);
if (!jsDocComments) {
return undefined;
}
for (var _i = 0, jsDocComments_1 = jsDocComments; _i < jsDocComments_1.length; _i++) {
var jsDocComment = jsDocComments_1[_i];
for (var _a = 0, _b = jsDocComment.tags; _a < _b.length; _a++) {
var tag = _b[_a];
if (tag.kind === kind) {
return tag;
}
}
}
}
function getJSDocComments(node, checkParentVariableStatement) {
if (node.jsDocComments) {
return node.jsDocComments;
}
if (checkParentVariableStatement) {
var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 218 &&
node.parent.initializer === node &&
node.parent.parent.parent.kind === 200;
var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined;
if (variableStatementNode) {
return variableStatementNode.jsDocComments;
}
var parent_4 = node.parent;
var isSourceOfAssignmentExpressionStatement = parent_4 && parent_4.parent &&
parent_4.kind === 187 &&
parent_4.operatorToken.kind === 56 &&
parent_4.parent.kind === 202;
if (isSourceOfAssignmentExpressionStatement) {
return parent_4.parent.jsDocComments;
}
var isPropertyAssignmentExpression = parent_4 && parent_4.kind === 253;
if (isPropertyAssignmentExpression) {
return parent_4.jsDocComments;
}
}
return undefined;
}
function getJSDocTypeTag(node) {
return getJSDocTag(node, 277, false);
}
ts.getJSDocTypeTag = getJSDocTypeTag;
function getJSDocReturnTag(node) {
return getJSDocTag(node, 276, true);
}
ts.getJSDocReturnTag = getJSDocReturnTag;
function getJSDocTemplateTag(node) {
return getJSDocTag(node, 278, false);
}
ts.getJSDocTemplateTag = getJSDocTemplateTag;
function getCorrespondingJSDocParameterTag(parameter) {
if (parameter.name && parameter.name.kind === 69) {
var parameterName = parameter.name.text;
var jsDocComments = getJSDocComments(parameter.parent, true);
if (jsDocComments) {
for (var _i = 0, jsDocComments_2 = jsDocComments; _i < jsDocComments_2.length; _i++) {
var jsDocComment = jsDocComments_2[_i];
for (var _a = 0, _b = jsDocComment.tags; _a < _b.length; _a++) {
var tag = _b[_a];
if (tag.kind === 275) {
var parameterTag = tag;
var name_6 = parameterTag.preParameterName || parameterTag.postParameterName;
if (name_6.text === parameterName) {
return parameterTag;
}
}
}
}
}
}
return undefined;
}
ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag;
function hasRestParameter(s) {
return isRestParameter(ts.lastOrUndefined(s.parameters));
}
ts.hasRestParameter = hasRestParameter;
function hasDeclaredRestParameter(s) {
return isDeclaredRestParam(ts.lastOrUndefined(s.parameters));
}
ts.hasDeclaredRestParameter = hasDeclaredRestParameter;
function isRestParameter(node) {
if (node && (node.flags & 134217728)) {
if (node.type && node.type.kind === 270) {
return true;
}
var paramTag = getCorrespondingJSDocParameterTag(node);
if (paramTag && paramTag.typeExpression) {
return paramTag.typeExpression.type.kind === 270;
}
}
return isDeclaredRestParam(node);
}
ts.isRestParameter = isRestParameter;
function isDeclaredRestParam(node) {
return node && node.dotDotDotToken !== undefined;
}
ts.isDeclaredRestParam = isDeclaredRestParam;
function isLiteralKind(kind) {
return 8 <= kind && kind <= 11;
}
ts.isLiteralKind = isLiteralKind;
function isTextualLiteralKind(kind) {
return kind === 9 || kind === 11;
}
ts.isTextualLiteralKind = isTextualLiteralKind;
function isTemplateLiteralKind(kind) {
return 11 <= kind && kind <= 14;
}
ts.isTemplateLiteralKind = isTemplateLiteralKind;
function isBindingPattern(node) {
return !!node && (node.kind === 168 || node.kind === 167);
}
ts.isBindingPattern = isBindingPattern;
function isAssignmentTarget(node) {
while (node.parent.kind === 178) {
node = node.parent;
}
while (true) {
var parent_5 = node.parent;
if (parent_5.kind === 170 || parent_5.kind === 191) {
node = parent_5;
continue;
}
if (parent_5.kind === 253 || parent_5.kind === 254) {
node = parent_5.parent;
continue;
}
return parent_5.kind === 187 &&
isAssignmentOperator(parent_5.operatorToken.kind) &&
parent_5.left === node ||
(parent_5.kind === 207 || parent_5.kind === 208) &&
parent_5.initializer === node;
}
}
ts.isAssignmentTarget = isAssignmentTarget;
function isNodeDescendentOf(node, ancestor) {
while (node) {
if (node === ancestor)
return true;
node = node.parent;
}
return false;
}
ts.isNodeDescendentOf = isNodeDescendentOf;
function isInAmbientContext(node) {
while (node) {
if (node.flags & 2 || (node.kind === 256 && node.isDeclarationFile)) {
return true;
}
node = node.parent;
}
return false;
}
ts.isInAmbientContext = isInAmbientContext;
function isDeclaration(node) {
switch (node.kind) {
case 180:
case 169:
case 221:
case 192:
case 148:
case 224:
case 255:
case 238:
case 220:
case 179:
case 149:
case 231:
case 229:
case 234:
case 222:
case 147:
case 146:
case 225:
case 232:
case 228:
case 142:
case 253:
case 145:
case 144:
case 150:
case 254:
case 223:
case 141:
case 218:
case 279:
return true;
}
return false;
}
ts.isDeclaration = isDeclaration;
function isStatement(n) {
switch (n.kind) {
case 210:
case 209:
case 217:
case 204:
case 202:
case 201:
case 207:
case 208:
case 206:
case 203:
case 214:
case 211:
case 213:
case 215:
case 216:
case 200:
case 205:
case 212:
case 235:
return true;
default:
return false;
}
}
ts.isStatement = isStatement;
function isClassElement(n) {
switch (n.kind) {
case 148:
case 145:
case 147:
case 149:
case 150:
case 146:
case 153:
return true;
default:
return false;
}
}
ts.isClassElement = isClassElement;
function isDeclarationName(name) {
if (name.kind !== 69 && name.kind !== 9 && name.kind !== 8) {
return false;
}
var parent = name.parent;
if (parent.kind === 234 || parent.kind === 238) {
if (parent.propertyName) {
return true;
}
}
if (isDeclaration(parent)) {
return parent.name === name;
}
return false;
}
ts.isDeclarationName = isDeclarationName;
function isLiteralComputedPropertyDeclarationName(node) {
return (node.kind === 9 || node.kind === 8) &&
node.parent.kind === 140 &&
isDeclaration(node.parent.parent);
}
ts.isLiteralComputedPropertyDeclarationName = isLiteralComputedPropertyDeclarationName;
function isIdentifierName(node) {
var parent = node.parent;
switch (parent.kind) {
case 145:
case 144:
case 147:
case 146:
case 149:
case 150:
case 255:
case 253:
case 172:
return parent.name === node;
case 139:
if (parent.right === node) {
while (parent.kind === 139) {
parent = parent.parent;
}
return parent.kind === 158;
}
return false;
case 169:
case 234:
return parent.propertyName === node;
case 238:
return true;
}
return false;
}
ts.isIdentifierName = isIdentifierName;
function isAliasSymbolDeclaration(node) {
return node.kind === 229 ||
node.kind === 228 ||
node.kind === 231 && !!node.name ||
node.kind === 232 ||
node.kind === 234 ||
node.kind === 238 ||
node.kind === 235 && exportAssignmentIsAlias(node);
}
ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration;
function exportAssignmentIsAlias(node) {
return isEntityNameExpression(node.expression);
}
ts.exportAssignmentIsAlias = exportAssignmentIsAlias;
function getClassExtendsHeritageClauseElement(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 83);
return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined;
}
ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement;
function getClassImplementsHeritageClauseElements(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 106);
return heritageClause ? heritageClause.types : undefined;
}
ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements;
function getInterfaceBaseTypeNodes(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 83);
return heritageClause ? heritageClause.types : undefined;
}
ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes;
function getHeritageClause(clauses, kind) {
if (clauses) {
for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) {
var clause = clauses_1[_i];
if (clause.token === kind) {
return clause;
}
}
}
return undefined;
}
ts.getHeritageClause = getHeritageClause;
function tryResolveScriptReference(host, sourceFile, reference) {
if (!host.getCompilerOptions().noResolve) {
var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName);
return host.getSourceFile(referenceFileName);
}
}
ts.tryResolveScriptReference = tryResolveScriptReference;
function getAncestor(node, kind) {
while (node) {
if (node.kind === kind) {
return node;
}
node = node.parent;
}
return undefined;
}
ts.getAncestor = getAncestor;
function getFileReferenceFromReferencePath(comment, commentRange) {
var simpleReferenceRegEx = /^\/\/\/\s*<reference\s+/gim;
var isNoDefaultLibRegEx = /^(\/\/\/\s*<reference\s+no-default-lib\s*=\s*)('|")(.+?)\2\s*\/>/gim;
if (simpleReferenceRegEx.test(comment)) {
if (isNoDefaultLibRegEx.test(comment)) {
return {
isNoDefaultLib: true
};
}
else {
var refMatchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment);
var refLibResult = !refMatchResult && ts.fullTripleSlashReferenceTypeReferenceDirectiveRegEx.exec(comment);
if (refMatchResult || refLibResult) {
var start = commentRange.pos;
var end = commentRange.end;
return {
fileReference: {
pos: start,
end: end,
fileName: (refMatchResult || refLibResult)[3]
},
isNoDefaultLib: false,
isTypeReferenceDirective: !!refLibResult
};
}
return {
diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax,
isNoDefaultLib: false
};
}
}
return undefined;
}
ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath;
function isKeyword(token) {
return 70 <= token && token <= 138;
}
ts.isKeyword = isKeyword;
function isTrivia(token) {
return 2 <= token && token <= 7;
}
ts.isTrivia = isTrivia;
function isAsyncFunctionLike(node) {
return isFunctionLike(node) && (node.flags & 256) !== 0 && !isAccessor(node);
}
ts.isAsyncFunctionLike = isAsyncFunctionLike;
function isStringOrNumericLiteral(kind) {
return kind === 9 || kind === 8;
}
ts.isStringOrNumericLiteral = isStringOrNumericLiteral;
function hasDynamicName(declaration) {
return declaration.name && isDynamicName(declaration.name);
}
ts.hasDynamicName = hasDynamicName;
function isDynamicName(name) {
return name.kind === 140 &&
!isStringOrNumericLiteral(name.expression.kind) &&
!isWellKnownSymbolSyntactically(name.expression);
}
ts.isDynamicName = isDynamicName;
function isWellKnownSymbolSyntactically(node) {
return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression);
}
ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically;
function getPropertyNameForPropertyNameNode(name) {
if (name.kind === 69 || name.kind === 9 || name.kind === 8 || name.kind === 142) {
return name.text;
}
if (name.kind === 140) {
var nameExpression = name.expression;
if (isWellKnownSymbolSyntactically(nameExpression)) {
var rightHandSideName = nameExpression.name.text;
return getPropertyNameForKnownSymbolName(rightHandSideName);
}
else if (nameExpression.kind === 9 || nameExpression.kind === 8) {
return nameExpression.text;
}
}
return undefined;
}
ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode;
function getPropertyNameForKnownSymbolName(symbolName) {
return "__@" + symbolName;
}
ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName;
function isESSymbolIdentifier(node) {
return node.kind === 69 && node.text === "Symbol";
}
ts.isESSymbolIdentifier = isESSymbolIdentifier;
function isModifierKind(token) {
switch (token) {
case 115:
case 118:
case 74:
case 122:
case 77:
case 82:
case 112:
case 110:
case 111:
case 128:
case 113:
return true;
}
return false;
}
ts.isModifierKind = isModifierKind;
function isParameterDeclaration(node) {
var root = getRootDeclaration(node);
return root.kind === 142;
}
ts.isParameterDeclaration = isParameterDeclaration;
function getRootDeclaration(node) {
while (node.kind === 169) {
node = node.parent.parent;
}
return node;
}
ts.getRootDeclaration = getRootDeclaration;
function nodeStartsNewLexicalEnvironment(n) {
return isFunctionLike(n) || n.kind === 225 || n.kind === 256;
}
ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment;
function cloneNode(node, location, flags, parent) {
var clone = location !== undefined
? ts.createNode(node.kind, location.pos, location.end)
: createSynthesizedNode(node.kind);
for (var key in node) {
if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) {
continue;
}
clone[key] = node[key];
}
if (flags !== undefined) {
clone.flags = flags;
}
if (parent !== undefined) {
clone.parent = parent;
}
return clone;
}
ts.cloneNode = cloneNode;
function cloneEntityName(node, parent) {
var clone = cloneNode(node, node, node.flags, parent);
if (isQualifiedName(clone)) {
var left = clone.left, right = clone.right;
clone.left = cloneEntityName(left, clone);
clone.right = cloneNode(right, right, right.flags, parent);
}
return clone;
}
ts.cloneEntityName = cloneEntityName;
function isQualifiedName(node) {
return node.kind === 139;
}
ts.isQualifiedName = isQualifiedName;
function nodeIsSynthesized(node) {
return node.pos === -1;
}
ts.nodeIsSynthesized = nodeIsSynthesized;
function createSynthesizedNode(kind, startsOnNewLine) {
var node = ts.createNode(kind, -1, -1);
node.startsOnNewLine = startsOnNewLine;
return node;
}
ts.createSynthesizedNode = createSynthesizedNode;
function createSynthesizedNodeArray() {
var array = [];
array.pos = -1;
array.end = -1;
return array;
}
ts.createSynthesizedNodeArray = createSynthesizedNodeArray;
function createDiagnosticCollection() {
var nonFileDiagnostics = [];
var fileDiagnostics = ts.createMap();
var diagnosticsModified = false;
var modificationCount = 0;
return {
add: add,
getGlobalDiagnostics: getGlobalDiagnostics,
getDiagnostics: getDiagnostics,
getModificationCount: getModificationCount,
reattachFileDiagnostics: reattachFileDiagnostics
};
function getModificationCount() {
return modificationCount;
}
function reattachFileDiagnostics(newFile) {
var diagnostics = fileDiagnostics[newFile.fileName];
if (diagnostics) {
for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) {
var diagnostic = diagnostics_1[_i];
diagnostic.file = newFile;
}
}
}
function add(diagnostic) {
var diagnostics;
if (diagnostic.file) {
diagnostics = fileDiagnostics[diagnostic.file.fileName];
if (!diagnostics) {
diagnostics = [];
fileDiagnostics[diagnostic.file.fileName] = diagnostics;
}
}
else {
diagnostics = nonFileDiagnostics;
}
diagnostics.push(diagnostic);
diagnosticsModified = true;
modificationCount++;
}
function getGlobalDiagnostics() {
sortAndDeduplicate();
return nonFileDiagnostics;
}
function getDiagnostics(fileName) {
sortAndDeduplicate();
if (fileName) {
return fileDiagnostics[fileName] || [];
}
var allDiagnostics = [];
function pushDiagnostic(d) {
allDiagnostics.push(d);
}
ts.forEach(nonFileDiagnostics, pushDiagnostic);
for (var key in fileDiagnostics) {
ts.forEach(fileDiagnostics[key], pushDiagnostic);
}
return ts.sortAndDeduplicateDiagnostics(allDiagnostics);
}
function sortAndDeduplicate() {
if (!diagnosticsModified) {
return;
}
diagnosticsModified = false;
nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics);
for (var key in fileDiagnostics) {
fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]);
}
}
}
ts.createDiagnosticCollection = createDiagnosticCollection;
var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g;
var escapedCharsMap = ts.createMap({
"\0": "\\0",
"\t": "\\t",
"\v": "\\v",
"\f": "\\f",
"\b": "\\b",
"\r": "\\r",
"\n": "\\n",
"\\": "\\\\",
"\"": "\\\"",
"\u2028": "\\u2028",
"\u2029": "\\u2029",
"\u0085": "\\u0085"
});
function escapeString(s) {
s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s;
return s;
function getReplacement(c) {
return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0));
}
}
ts.escapeString = escapeString;
function isIntrinsicJsxName(name) {
var ch = name.substr(0, 1);
return ch.toLowerCase() === ch;
}
ts.isIntrinsicJsxName = isIntrinsicJsxName;
function get16BitUnicodeEscapeSequence(charCode) {
var hexCharCode = charCode.toString(16).toUpperCase();
var paddedHexCode = ("0000" + hexCharCode).slice(-4);
return "\\u" + paddedHexCode;
}
var nonAsciiCharacters = /[^\u0000-\u007F]/g;
function escapeNonAsciiCharacters(s) {
return nonAsciiCharacters.test(s) ?
s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) :
s;
}
ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters;
var indentStrings = ["", " "];
function getIndentString(level) {
if (indentStrings[level] === undefined) {
indentStrings[level] = getIndentString(level - 1) + indentStrings[1];
}
return indentStrings[level];
}
ts.getIndentString = getIndentString;
function getIndentSize() {
return indentStrings[1].length;
}
ts.getIndentSize = getIndentSize;
function createTextWriter(newLine) {
var output;
var indent;
var lineStart;
var lineCount;
var linePos;
function write(s) {
if (s && s.length) {
if (lineStart) {
output += getIndentString(indent);
lineStart = false;
}
output += s;
}
}
function reset() {
output = "";
indent = 0;
lineStart = true;
lineCount = 0;
linePos = 0;
}
function rawWrite(s) {
if (s !== undefined) {
if (lineStart) {
lineStart = false;
}
output += s;
}
}
function writeLiteral(s) {
if (s && s.length) {
write(s);
var lineStartsOfS = ts.computeLineStarts(s);
if (lineStartsOfS.length > 1) {
lineCount = lineCount + lineStartsOfS.length - 1;
linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS);
}
}
}
function writeLine() {
if (!lineStart) {
output += newLine;
lineCount++;
linePos = output.length;
lineStart = true;
}
}
function writeTextOfNode(text, node) {
write(getTextOfNodeFromSourceText(text, node));
}
reset();
return {
write: write,
rawWrite: rawWrite,
writeTextOfNode: writeTextOfNode,
writeLiteral: writeLiteral,
writeLine: writeLine,
increaseIndent: function () { indent++; },
decreaseIndent: function () { indent--; },
getIndent: function () { return indent; },
getTextPos: function () { return output.length; },
getLine: function () { return lineCount + 1; },
getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; },
getText: function () { return output; },
reset: reset
};
}
ts.createTextWriter = createTextWriter;
function getExternalModuleNameFromPath(host, fileName) {
var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); };
var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName);
var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory());
var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false);
return ts.removeFileExtension(relativePath);
}
ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath;
function getOwnEmitOutputFilePath(sourceFile, host, extension) {
var compilerOptions = host.getCompilerOptions();
var emitOutputFilePathWithoutExtension;
if (compilerOptions.outDir) {
emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir));
}
else {
emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName);
}
return emitOutputFilePathWithoutExtension + extension;
}
ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath;
function getDeclarationEmitOutputFilePath(sourceFile, host) {
var options = host.getCompilerOptions();
var outputDir = options.declarationDir || options.outDir;
var path = outputDir
? getSourceFilePathInNewDir(sourceFile, host, outputDir)
: sourceFile.fileName;
return ts.removeFileExtension(path) + ".d.ts";
}
ts.getDeclarationEmitOutputFilePath = getDeclarationEmitOutputFilePath;
function forEachExpectedEmitFile(host, action, targetSourceFile, emitOnlyDtsFiles) {
var options = host.getCompilerOptions();
if (options.outFile || options.out) {
onBundledEmit(host);
}
else {
var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile];
for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) {
var sourceFile = sourceFiles_1[_i];
if (!isDeclarationFile(sourceFile) && !host.isSourceFileFromExternalLibrary(sourceFile)) {
onSingleFileEmit(host, sourceFile);
}
}
}
function onSingleFileEmit(host, sourceFile) {
var extension = ".js";
if (options.jsx === 1) {
if (isSourceFileJavaScript(sourceFile)) {
if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) {
extension = ".jsx";
}
}
else if (sourceFile.languageVariant === 1) {
extension = ".jsx";
}
}
var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension);
var declarationFilePath = !isSourceFileJavaScript(sourceFile) && (emitOnlyDtsFiles || options.declaration) ? getDeclarationEmitOutputFilePath(sourceFile, host) : undefined;
var emitFileNames = {
jsFilePath: jsFilePath,
sourceMapFilePath: getSourceMapFilePath(jsFilePath, options),
declarationFilePath: declarationFilePath
};
action(emitFileNames, [sourceFile], false, emitOnlyDtsFiles);
}
function onBundledEmit(host) {
var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) &&
!host.isSourceFileFromExternalLibrary(sourceFile) &&
(!ts.isExternalModule(sourceFile) ||
!!ts.getEmitModuleKind(options)); });
if (bundledSources.length) {
var jsFilePath = options.outFile || options.out;
var emitFileNames = {
jsFilePath: jsFilePath,
sourceMapFilePath: getSourceMapFilePath(jsFilePath, options),
declarationFilePath: options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined
};
action(emitFileNames, bundledSources, true, emitOnlyDtsFiles);
}
}
function getSourceMapFilePath(jsFilePath, options) {
return options.sourceMap ? jsFilePath + ".map" : undefined;
}
}
ts.forEachExpectedEmitFile = forEachExpectedEmitFile;
function getSourceFilePathInNewDir(sourceFile, host, newDirPath) {
var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory());
var commonSourceDirectory = host.getCommonSourceDirectory();
var isSourceFileInCommonSourceDirectory = host.getCanonicalFileName(sourceFilePath).indexOf(host.getCanonicalFileName(commonSourceDirectory)) === 0;
sourceFilePath = isSourceFileInCommonSourceDirectory ? sourceFilePath.substring(commonSourceDirectory.length) : sourceFilePath;
return ts.combinePaths(newDirPath, sourceFilePath);
}
ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir;
function writeFile(host, diagnostics, fileName, data, writeByteOrderMark, sourceFiles) {
host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) {
diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage));
}, sourceFiles);
}
ts.writeFile = writeFile;
function getLineOfLocalPosition(currentSourceFile, pos) {
return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line;
}
ts.getLineOfLocalPosition = getLineOfLocalPosition;
function getLineOfLocalPositionFromLineMap(lineMap, pos) {
return ts.computeLineAndCharacterOfPosition(lineMap, pos).line;
}
ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap;
function getFirstConstructorWithBody(node) {
return ts.forEach(node.members, function (member) {
if (member.kind === 148 && nodeIsPresent(member.body)) {
return member;
}
});
}
ts.getFirstConstructorWithBody = getFirstConstructorWithBody;
function getSetAccessorTypeAnnotationNode(accessor) {
if (accessor && accessor.parameters.length > 0) {
var hasThis = accessor.parameters.length === 2 &&
accessor.parameters[0].name.kind === 69 &&
accessor.parameters[0].name.originalKeywordKind === 97;
return accessor.parameters[hasThis ? 1 : 0].type;
}
}
ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode;
function getAllAccessorDeclarations(declarations, accessor) {
var firstAccessor;
var secondAccessor;
var getAccessor;
var setAccessor;
if (hasDynamicName(accessor)) {
firstAccessor = accessor;
if (accessor.kind === 149) {
getAccessor = accessor;
}
else if (accessor.kind === 150) {
setAccessor = accessor;
}
else {
ts.Debug.fail("Accessor has wrong kind");
}
}
else {
ts.forEach(declarations, function (member) {
if ((member.kind === 149 || member.kind === 150)
&& (member.flags & 32) === (accessor.flags & 32)) {
var memberName = getPropertyNameForPropertyNameNode(member.name);
var accessorName = getPropertyNameForPropertyNameNode(accessor.name);
if (memberName === accessorName) {
if (!firstAccessor) {
firstAccessor = member;
}
else if (!secondAccessor) {
secondAccessor = member;
}
if (member.kind === 149 && !getAccessor) {
getAccessor = member;
}
if (member.kind === 150 && !setAccessor) {
setAccessor = member;
}
}
}
});
}
return {
firstAccessor: firstAccessor,
secondAccessor: secondAccessor,
getAccessor: getAccessor,
setAccessor: setAccessor
};
}
ts.getAllAccessorDeclarations = getAllAccessorDeclarations;
function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) {
if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos &&
getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) {
writer.writeLine();
}
}
ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments;
function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) {
var emitLeadingSpace = !trailingSeparator;
ts.forEach(comments, function (comment) {
if (emitLeadingSpace) {
writer.write(" ");
emitLeadingSpace = false;
}
writeComment(text, lineMap, writer, comment, newLine);
if (comment.hasTrailingNewLine) {
writer.writeLine();
}
else if (trailingSeparator) {
writer.write(" ");
}
else {
emitLeadingSpace = true;
}
});
}
ts.emitComments = emitComments;
function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) {
var leadingComments;
var currentDetachedCommentInfo;
if (removeComments) {
if (node.pos === 0) {
leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment);
}
}
else {
leadingComments = ts.getLeadingCommentRanges(text, node.pos);
}
if (leadingComments) {
var detachedComments = [];
var lastComment = void 0;
for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) {
var comment = leadingComments_1[_i];
if (lastComment) {
var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end);
var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos);
if (commentLine >= lastCommentLine + 2) {
break;
}
}
detachedComments.push(comment);
lastComment = comment;
}
if (detachedComments.length) {
var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end);
var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos));
if (nodeLine >= lastCommentLine + 2) {
emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments);
emitComments(text, lineMap, writer, detachedComments, true, newLine, writeComment);
currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end };
}
}
}
return currentDetachedCommentInfo;
function isPinnedComment(comment) {
return text.charCodeAt(comment.pos + 1) === 42 &&
text.charCodeAt(comment.pos + 2) === 33;
}
}
ts.emitDetachedComments = emitDetachedComments;
function writeCommentRange(text, lineMap, writer, comment, newLine) {
if (text.charCodeAt(comment.pos + 1) === 42) {
var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos);
var lineCount = lineMap.length;
var firstCommentLineIndent = void 0;
for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) {
var nextLineStart = (currentLine + 1) === lineCount
? text.length + 1
: lineMap[currentLine + 1];
if (pos !== comment.pos) {
if (firstCommentLineIndent === undefined) {
firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos);
}
var currentWriterIndentSpacing = writer.getIndent() * getIndentSize();
var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart);
if (spacesToEmit > 0) {
var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize();
var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize());
writer.rawWrite(indentSizeSpaceString);
while (numberOfSingleSpacesToEmit) {
writer.rawWrite(" ");
numberOfSingleSpacesToEmit--;
}
}
else {
writer.rawWrite("");
}
}
writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart);
pos = nextLineStart;
}
}
else {
writer.write(text.substring(comment.pos, comment.end));
}
}
ts.writeCommentRange = writeCommentRange;
function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) {
var end = Math.min(comment.end, nextLineStart - 1);
var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, "");
if (currentLineText) {
writer.write(currentLineText);
if (end !== comment.end) {
writer.writeLine();
}
}
else {
writer.writeLiteral(newLine);
}
}
function calculateIndent(text, pos, end) {
var currentLineIndent = 0;
for (; pos < end && ts.isWhiteSpaceSingleLine(text.charCodeAt(pos)); pos++) {
if (text.charCodeAt(pos) === 9) {
currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize());
}
else {
currentLineIndent++;
}
}
return currentLineIndent;
}
function modifierToFlag(token) {
switch (token) {
case 113: return 32;
case 112: return 4;
case 111: return 16;
case 110: return 8;
case 115: return 128;
case 82: return 1;
case 122: return 2;
case 74: return 2048;
case 77: return 512;
case 118: return 256;
case 128: return 64;
}
return 0;
}
ts.modifierToFlag = modifierToFlag;
function isLeftHandSideExpression(expr) {
if (expr) {
switch (expr.kind) {
case 172:
case 173:
case 175:
case 174:
case 196:
case 241:
case 242:
case 176:
case 170:
case 178:
case 171:
case 192:
case 179:
case 69:
case 10:
case 8:
case 9:
case 11:
case 189:
case 84:
case 93:
case 97:
case 99:
case 95:
return true;
}
}
return false;
}
ts.isLeftHandSideExpression = isLeftHandSideExpression;
function isAssignmentOperator(token) {
return token >= 56 && token <= 68;
}
ts.isAssignmentOperator = isAssignmentOperator;
function isExpressionWithTypeArgumentsInClassExtendsClause(node) {
return node.kind === 194 &&
node.parent.token === 83 &&
isClassLike(node.parent.parent);
}
ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause;
function isEntityNameExpression(node) {
return node.kind === 69 ||
node.kind === 172 && isEntityNameExpression(node.expression);
}
ts.isEntityNameExpression = isEntityNameExpression;
function isRightSideOfQualifiedNameOrPropertyAccess(node) {
return (node.parent.kind === 139 && node.parent.right === node) ||
(node.parent.kind === 172 && node.parent.name === node);
}
ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess;
function isEmptyObjectLiteralOrArrayLiteral(expression) {
var kind = expression.kind;
if (kind === 171) {
return expression.properties.length === 0;
}
if (kind === 170) {
return expression.elements.length === 0;
}
return false;
}
ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral;
function getLocalSymbolForExportDefault(symbol) {
return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512) ? symbol.valueDeclaration.localSymbol : undefined;
}
ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault;
function tryExtractTypeScriptExtension(fileName) {
return ts.find(ts.supportedTypescriptExtensionsForExtractExtension, function (extension) { return ts.fileExtensionIs(fileName, extension); });
}
ts.tryExtractTypeScriptExtension = tryExtractTypeScriptExtension;
function getExpandedCharCodes(input) {
var output = [];
var length = input.length;
for (var i = 0; i < length; i++) {
var charCode = input.charCodeAt(i);
if (charCode < 0x80) {
output.push(charCode);
}
else if (charCode < 0x800) {
output.push((charCode >> 6) | 192);
output.push((charCode & 63) | 128);
}
else if (charCode < 0x10000) {
output.push((charCode >> 12) | 224);
output.push(((charCode >> 6) & 63) | 128);
output.push((charCode & 63) | 128);
}
else if (charCode < 0x20000) {
output.push((charCode >> 18) | 240);
output.push(((charCode >> 12) & 63) | 128);
output.push(((charCode >> 6) & 63) | 128);
output.push((charCode & 63) | 128);
}
else {
ts.Debug.assert(false, "Unexpected code point");
}
}
return output;
}
ts.stringify = typeof JSON !== "undefined" && JSON.stringify
? JSON.stringify
: stringifyFallback;
function stringifyFallback(value) {
return value === undefined ? undefined : stringifyValue(value);
}
function stringifyValue(value) {
return typeof value === "string" ? "\"" + escapeString(value) + "\""
: typeof value === "number" ? isFinite(value) ? String(value) : "null"
: typeof value === "boolean" ? value ? "true" : "false"
: typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value)
: "null";
}
function cycleCheck(cb, value) {
ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON");
value.__cycle = true;
var result = cb(value);
delete value.__cycle;
return result;
}
function stringifyArray(value) {
return "[" + ts.reduceLeft(value, stringifyElement, "") + "]";
}
function stringifyElement(memo, value) {
return (memo ? memo + "," : memo) + stringifyValue(value);
}
function stringifyObject(value) {
return "{" + ts.reduceOwnProperties(value, stringifyProperty, "") + "}";
}
function stringifyProperty(memo, value, key) {
return value === undefined || typeof value === "function" || key === "__cycle" ? memo
: (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value));
}
var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
function convertToBase64(input) {
var result = "";
var charCodes = getExpandedCharCodes(input);
var i = 0;
var length = charCodes.length;
var byte1, byte2, byte3, byte4;
while (i < length) {
byte1 = charCodes[i] >> 2;
byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4;
byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6;
byte4 = charCodes[i + 2] & 63;
if (i + 1 >= length) {
byte3 = byte4 = 64;
}
else if (i + 2 >= length) {
byte4 = 64;
}
result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4);
i += 3;
}
return result;
}
ts.convertToBase64 = convertToBase64;
function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) {
return !ts.isRootedDiskPath(absoluteOrRelativePath)
? absoluteOrRelativePath
: ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, false);
}
ts.convertToRelativePath = convertToRelativePath;
var carriageReturnLineFeed = "\r\n";
var lineFeed = "\n";
function getNewLineCharacter(options) {
if (options.newLine === 0) {
return carriageReturnLineFeed;
}
else if (options.newLine === 1) {
return lineFeed;
}
else if (ts.sys) {
return ts.sys.newLine;
}
return carriageReturnLineFeed;
}
ts.getNewLineCharacter = getNewLineCharacter;
function isWatchSet(options) {
return options.watch && options.hasOwnProperty("watch");
}
ts.isWatchSet = isWatchSet;
})(ts || (ts = {}));
var ts;
(function (ts) {
function getDefaultLibFileName(options) {
return options.target === 2 ? "lib.es6.d.ts" : "lib.d.ts";
}
ts.getDefaultLibFileName = getDefaultLibFileName;
function textSpanEnd(span) {
return span.start + span.length;
}
ts.textSpanEnd = textSpanEnd;
function textSpanIsEmpty(span) {
return span.length === 0;
}
ts.textSpanIsEmpty = textSpanIsEmpty;
function textSpanContainsPosition(span, position) {
return position >= span.start && position < textSpanEnd(span);
}
ts.textSpanContainsPosition = textSpanContainsPosition;
function textSpanContainsTextSpan(span, other) {
return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span);
}
ts.textSpanContainsTextSpan = textSpanContainsTextSpan;
function textSpanOverlapsWith(span, other) {
var overlapStart = Math.max(span.start, other.start);
var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other));
return overlapStart < overlapEnd;
}
ts.textSpanOverlapsWith = textSpanOverlapsWith;
function textSpanOverlap(span1, span2) {
var overlapStart = Math.max(span1.start, span2.start);
var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2));
if (overlapStart < overlapEnd) {
return createTextSpanFromBounds(overlapStart, overlapEnd);
}
return undefined;
}
ts.textSpanOverlap = textSpanOverlap;
function textSpanIntersectsWithTextSpan(span, other) {
return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start;
}
ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan;
function textSpanIntersectsWith(span, start, length) {
var end = start + length;
return start <= textSpanEnd(span) && end >= span.start;
}
ts.textSpanIntersectsWith = textSpanIntersectsWith;
function decodedTextSpanIntersectsWith(start1, length1, start2, length2) {
var end1 = start1 + length1;
var end2 = start2 + length2;
return start2 <= end1 && end2 >= start1;
}
ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith;
function textSpanIntersectsWithPosition(span, position) {
return position <= textSpanEnd(span) && position >= span.start;
}
ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition;
function textSpanIntersection(span1, span2) {
var intersectStart = Math.max(span1.start, span2.start);
var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2));
if (intersectStart <= intersectEnd) {
return createTextSpanFromBounds(intersectStart, intersectEnd);
}
return undefined;
}
ts.textSpanIntersection = textSpanIntersection;
function createTextSpan(start, length) {
if (start < 0) {
throw new Error("start < 0");
}
if (length < 0) {
throw new Error("length < 0");
}
return { start: start, length: length };
}
ts.createTextSpan = createTextSpan;
function createTextSpanFromBounds(start, end) {
return createTextSpan(start, end - start);
}
ts.createTextSpanFromBounds = createTextSpanFromBounds;
function textChangeRangeNewSpan(range) {
return createTextSpan(range.span.start, range.newLength);
}
ts.textChangeRangeNewSpan = textChangeRangeNewSpan;
function textChangeRangeIsUnchanged(range) {
return textSpanIsEmpty(range.span) && range.newLength === 0;
}
ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged;
function createTextChangeRange(span, newLength) {
if (newLength < 0) {
throw new Error("newLength < 0");
}
return { span: span, newLength: newLength };
}
ts.createTextChangeRange = createTextChangeRange;
ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0);
function collapseTextChangeRangesAcrossMultipleVersions(changes) {
if (changes.length === 0) {
return ts.unchangedTextChangeRange;
}
if (changes.length === 1) {
return changes[0];
}
var change0 = changes[0];
var oldStartN = change0.span.start;
var oldEndN = textSpanEnd(change0.span);
var newEndN = oldStartN + change0.newLength;
for (var i = 1; i < changes.length; i++) {
var nextChange = changes[i];
var oldStart1 = oldStartN;
var oldEnd1 = oldEndN;
var newEnd1 = newEndN;
var oldStart2 = nextChange.span.start;
var oldEnd2 = textSpanEnd(nextChange.span);
var newEnd2 = oldStart2 + nextChange.newLength;
oldStartN = Math.min(oldStart1, oldStart2);
oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1));
newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2));
}
return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN);
}
ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions;
function getTypeParameterOwner(d) {
if (d && d.kind === 141) {
for (var current = d; current; current = current.parent) {
if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 222) {
return current;
}
}
}
}
ts.getTypeParameterOwner = getTypeParameterOwner;
function isParameterPropertyDeclaration(node) {
return node.flags & 92 && node.parent.kind === 148 && ts.isClassLike(node.parent.parent);
}
ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration;
})(ts || (ts = {}));
var ts;
(function (ts) {
var NodeConstructor;
var TokenConstructor;
var IdentifierConstructor;
var SourceFileConstructor;
function createNode(kind, pos, end) {
if (kind === 256) {
return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end);
}
else if (kind === 69) {
return new (IdentifierConstructor || (IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor()))(kind, pos, end);
}
else if (kind < 139) {
return new (TokenConstructor || (TokenConstructor = ts.objectAllocator.getTokenConstructor()))(kind, pos, end);
}
else {
return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end);
}
}
ts.createNode = createNode;
function visitNode(cbNode, node) {
if (node) {
return cbNode(node);
}
}
function visitNodeArray(cbNodes, nodes) {
if (nodes) {
return cbNodes(nodes);
}
}
function visitEachNode(cbNode, nodes) {
if (nodes) {
for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) {
var node = nodes_1[_i];
var result = cbNode(node);
if (result) {
return result;
}
}
}
}
function forEachChild(node, cbNode, cbNodeArray) {
if (!node) {
return;
}
var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode;
var cbNodes = cbNodeArray || cbNode;
switch (node.kind) {
case 139:
return visitNode(cbNode, node.left) ||
visitNode(cbNode, node.right);
case 141:
return visitNode(cbNode, node.name) ||
visitNode(cbNode, node.constraint) ||
visitNode(cbNode, node.expression);
case 254:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.name) ||
visitNode(cbNode, node.questionToken) ||
visitNode(cbNode, node.equalsToken) ||
visitNode(cbNode, node.objectAssignmentInitializer);
case 142:
case 145:
case 144:
case 253:
case 218:
case 169:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.propertyName) ||
visitNode(cbNode, node.dotDotDotToken) ||
visitNode(cbNode, node.name) ||
visitNode(cbNode, node.questionToken) ||
visitNode(cbNode, node.type) ||
visitNode(cbNode, node.initializer);
case 156:
case 157:
case 151:
case 152:
case 153:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNodes(cbNodes, node.typeParameters) ||
visitNodes(cbNodes, node.parameters) ||
visitNode(cbNode, node.type);
case 147:
case 146:
case 148:
case 149:
case 150:
case 179:
case 220:
case 180:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.asteriskToken) ||
visitNode(cbNode, node.name) ||
visitNode(cbNode, node.questionToken) ||
visitNodes(cbNodes, node.typeParameters) ||
visitNodes(cbNodes, node.parameters) ||
visitNode(cbNode, node.type) ||
visitNode(cbNode, node.equalsGreaterThanToken) ||
visitNode(cbNode, node.body);
case 155:
return visitNode(cbNode, node.typeName) ||
visitNodes(cbNodes, node.typeArguments);
case 154:
return visitNode(cbNode, node.parameterName) ||
visitNode(cbNode, node.type);
case 158:
return visitNode(cbNode, node.exprName);
case 159:
return visitNodes(cbNodes, node.members);
case 160:
return visitNode(cbNode, node.elementType);
case 161:
return visitNodes(cbNodes, node.elementTypes);
case 162:
case 163:
return visitNodes(cbNodes, node.types);
case 164:
return visitNode(cbNode, node.type);
case 166:
return visitNode(cbNode, node.literal);
case 167:
case 168:
return visitNodes(cbNodes, node.elements);
case 170:
return visitNodes(cbNodes, node.elements);
case 171:
return visitNodes(cbNodes, node.properties);
case 172:
return visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.name);
case 173:
return visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.argumentExpression);
case 174:
case 175:
return visitNode(cbNode, node.expression) ||
visitNodes(cbNodes, node.typeArguments) ||
visitNodes(cbNodes, node.arguments);
case 176:
return visitNode(cbNode, node.tag) ||
visitNode(cbNode, node.template);
case 177:
return visitNode(cbNode, node.type) ||
visitNode(cbNode, node.expression);
case 178:
return visitNode(cbNode, node.expression);
case 181:
return visitNode(cbNode, node.expression);
case 182:
return visitNode(cbNode, node.expression);
case 183:
return visitNode(cbNode, node.expression);
case 185:
return visitNode(cbNode, node.operand);
case 190:
return visitNode(cbNode, node.asteriskToken) ||
visitNode(cbNode, node.expression);
case 184:
return visitNode(cbNode, node.expression);
case 186:
return visitNode(cbNode, node.operand);
case 187:
return visitNode(cbNode, node.left) ||
visitNode(cbNode, node.operatorToken) ||
visitNode(cbNode, node.right);
case 195:
return visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.type);
case 196:
return visitNode(cbNode, node.expression);
case 188:
return visitNode(cbNode, node.condition) ||
visitNode(cbNode, node.questionToken) ||
visitNode(cbNode, node.whenTrue) ||
visitNode(cbNode, node.colonToken) ||
visitNode(cbNode, node.whenFalse);
case 191:
return visitNode(cbNode, node.expression);
case 199:
case 226:
return visitNodes(cbNodes, node.statements);
case 256:
return visitNodes(cbNodes, node.statements) ||
visitNode(cbNode, node.endOfFileToken);
case 200:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.declarationList);
case 219:
return visitNodes(cbNodes, node.declarations);
case 202:
return visitNode(cbNode, node.expression);
case 203:
return visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.thenStatement) ||
visitNode(cbNode, node.elseStatement);
case 204:
return visitNode(cbNode, node.statement) ||
visitNode(cbNode, node.expression);
case 205:
return visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.statement);
case 206:
return visitNode(cbNode, node.initializer) ||
visitNode(cbNode, node.condition) ||
visitNode(cbNode, node.incrementor) ||
visitNode(cbNode, node.statement);
case 207:
return visitNode(cbNode, node.initializer) ||
visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.statement);
case 208:
return visitNode(cbNode, node.initializer) ||
visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.statement);
case 209:
case 210:
return visitNode(cbNode, node.label);
case 211:
return visitNode(cbNode, node.expression);
case 212:
return visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.statement);
case 213:
return visitNode(cbNode, node.expression) ||
visitNode(cbNode, node.caseBlock);
case 227:
return visitNodes(cbNodes, node.clauses);
case 249:
return visitNode(cbNode, node.expression) ||
visitNodes(cbNodes, node.statements);
case 250:
return visitNodes(cbNodes, node.statements);
case 214:
return visitNode(cbNode, node.label) ||
visitNode(cbNode, node.statement);
case 215:
return visitNode(cbNode, node.expression);
case 216:
return visitNode(cbNode, node.tryBlock) ||
visitNode(cbNode, node.catchClause) ||
visitNode(cbNode, node.finallyBlock);
case 252:
return visitNode(cbNode, node.variableDeclaration) ||
visitNode(cbNode, node.block);
case 143:
return visitNode(cbNode, node.expression);
case 221:
case 192:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.name) ||
visitNodes(cbNodes, node.typeParameters) ||
visitNodes(cbNodes, node.heritageClauses) ||
visitNodes(cbNodes, node.members);
case 222:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.name) ||
visitNodes(cbNodes, node.typeParameters) ||
visitNodes(cbNodes, node.heritageClauses) ||
visitNodes(cbNodes, node.members);
case 223:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.name) ||
visitNodes(cbNodes, node.typeParameters) ||
visitNode(cbNode, node.type);
case 224:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.name) ||
visitNodes(cbNodes, node.members);
case 255:
return visitNode(cbNode, node.name) ||
visitNode(cbNode, node.initializer);
case 225:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.name) ||
visitNode(cbNode, node.body);
case 229:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.name) ||
visitNode(cbNode, node.moduleReference);
case 230:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.importClause) ||
visitNode(cbNode, node.moduleSpecifier);
case 231:
return visitNode(cbNode, node.name) ||
visitNode(cbNode, node.namedBindings);
case 228:
return visitNode(cbNode, node.name);
case 232:
return visitNode(cbNode, node.name);
case 233:
case 237:
return visitNodes(cbNodes, node.elements);
case 236:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.exportClause) ||
visitNode(cbNode, node.moduleSpecifier);
case 234:
case 238:
return visitNode(cbNode, node.propertyName) ||
visitNode(cbNode, node.name);
case 235:
return visitNodes(cbNodes, node.decorators) ||
visitNodes(cbNodes, node.modifiers) ||
visitNode(cbNode, node.expression);
case 189:
return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans);
case 197:
return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal);
case 140:
return visitNode(cbNode, node.expression);
case 251:
return visitNodes(cbNodes, node.types);
case 194:
return visitNode(cbNode, node.expression) ||
visitNodes(cbNodes, node.typeArguments);
case 240:
return visitNode(cbNode, node.expression);
case 239:
return visitNodes(cbNodes, node.decorators);
case 241:
return visitNode(cbNode, node.openingElement) ||
visitNodes(cbNodes, node.children) ||
visitNode(cbNode, node.closingElement);
case 242:
case 243:
return visitNode(cbNode, node.tagName) ||
visitNodes(cbNodes, node.attributes);
case 246:
return visitNode(cbNode, node.name) ||
visitNode(cbNode, node.initializer);
case 247:
return visitNode(cbNode, node.expression);
case 248:
return visitNode(cbNode, node.expression);
case 245:
return visitNode(cbNode, node.tagName);
case 257:
return visitNode(cbNode, node.type);
case 261:
return visitNodes(cbNodes, node.types);
case 262:
return visitNodes(cbNodes, node.types);
case 260:
return visitNode(cbNode, node.elementType);
case 264:
return visitNode(cbNode, node.type);
case 263:
return visitNode(cbNode, node.type);
case 265:
return visitNodes(cbNodes, node.members);
case 267:
return visitNode(cbNode, node.name) ||
visitNodes(cbNodes, node.typeArguments);
case 268:
return visitNode(cbNode, node.type);
case 269:
return visitNodes(cbNodes, node.parameters) ||
visitNode(cbNode, node.type);
case 270:
return visitNode(cbNode, node.type);
case 271:
return visitNode(cbNode, node.type);
case 272:
return visitNode(cbNode, node.type);
case 266:
return visitNode(cbNode, node.name) ||
visitNode(cbNode, node.type);
case 273:
return visitNodes(cbNodes, node.tags);
case 275:
return visitNode(cbNode, node.preParameterName) ||
visitNode(cbNode, node.typeExpression) ||
visitNode(cbNode, node.postParameterName);
case 276:
return visitNode(cbNode, node.typeExpression);
case 277:
return visitNode(cbNode, node.typeExpression);
case 278:
return visitNodes(cbNodes, node.typeParameters);
case 279:
return visitNode(cbNode, node.typeExpression) ||
visitNode(cbNode, node.name) ||
visitNode(cbNode, node.jsDocTypeLiteral);
case 281:
return visitNodes(cbNodes, node.jsDocPropertyTags);
case 280:
return visitNode(cbNode, node.typeExpression) ||
visitNode(cbNode, node.name);
case 282:
return visitNode(cbNode, node.literal);
}
}
ts.forEachChild = forEachChild;
function createSourceFile(fileName, sourceText, languageVersion, setParentNodes, scriptKind) {
if (setParentNodes === void 0) { setParentNodes = false; }
ts.performance.mark("beforeParse");
var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes, scriptKind);
ts.performance.mark("afterParse");
ts.performance.measure("Parse", "beforeParse", "afterParse");
return result;
}
ts.createSourceFile = createSourceFile;
function isExternalModule(file) {
return file.externalModuleIndicator !== undefined;
}
ts.isExternalModule = isExternalModule;
function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) {
return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks);
}
ts.updateSourceFile = updateSourceFile;
function parseIsolatedJSDocComment(content, start, length) {
var result = Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length);
if (result && result.jsDocComment) {
fixupParentReferences(result.jsDocComment);
}
return result;
}
ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment;
function parseJSDocTypeExpressionForTests(content, start, length) {
return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length);
}
ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests;
function fixupParentReferences(rootNode) {
var parent = rootNode;
forEachChild(rootNode, visitNode);
return;
function visitNode(n) {
if (n.parent !== parent) {
n.parent = parent;
var saveParent = parent;
parent = n;
forEachChild(n, visitNode);
if (n.jsDocComments) {
for (var _i = 0, _a = n.jsDocComments; _i < _a.length; _i++) {
var jsDocComment = _a[_i];
jsDocComment.parent = n;
parent = jsDocComment;
forEachChild(jsDocComment, visitNode);
}
}
parent = saveParent;
}
}
}
ts.fixupParentReferences = fixupParentReferences;
var Parser;
(function (Parser) {
var scanner = ts.createScanner(2, true);
var disallowInAndDecoratorContext = 4194304 | 16777216;
var NodeConstructor;
var TokenConstructor;
var IdentifierConstructor;
var SourceFileConstructor;
var sourceFile;
var parseDiagnostics;
var syntaxCursor;
var currentToken;
var sourceText;
var nodeCount;
var identifiers;
var identifierCount;
var parsingContext;
var contextFlags;
var parseErrorBeforeNextFinishedNode = false;
function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes, scriptKind) {
scriptKind = ts.ensureScriptKind(fileName, scriptKind);
initializeState(fileName, _sourceText, languageVersion, _syntaxCursor, scriptKind);
var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind);
clearState();
return result;
}
Parser.parseSourceFile = parseSourceFile;
function getLanguageVariant(scriptKind) {
return scriptKind === 4 || scriptKind === 2 || scriptKind === 1 ? 1 : 0;
}
function initializeState(fileName, _sourceText, languageVersion, _syntaxCursor, scriptKind) {
NodeConstructor = ts.objectAllocator.getNodeConstructor();
TokenConstructor = ts.objectAllocator.getTokenConstructor();
IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor();
SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor();
sourceText = _sourceText;
syntaxCursor = _syntaxCursor;
parseDiagnostics = [];
parsingContext = 0;
identifiers = ts.createMap();
identifierCount = 0;
nodeCount = 0;
contextFlags = scriptKind === 1 || scriptKind === 2 ? 134217728 : 0;
parseErrorBeforeNextFinishedNode = false;
scanner.setText(sourceText);
scanner.setOnError(scanError);
scanner.setScriptTarget(languageVersion);
scanner.setLanguageVariant(getLanguageVariant(scriptKind));
}
function clearState() {
scanner.setText("");
scanner.setOnError(undefined);
parseDiagnostics = undefined;
sourceFile = undefined;
identifiers = undefined;
syntaxCursor = undefined;
sourceText = undefined;
}
function parseSourceFileWorker(fileName, languageVersion, setParentNodes, scriptKind) {
sourceFile = createSourceFile(fileName, languageVersion, scriptKind);
sourceFile.flags = contextFlags;
nextToken();
processReferenceComments(sourceFile);
sourceFile.statements = parseList(0, parseStatement);
ts.Debug.assert(token() === 1);
sourceFile.endOfFileToken = parseTokenNode();
setExternalModuleIndicator(sourceFile);
sourceFile.nodeCount = nodeCount;
sourceFile.identifierCount = identifierCount;
sourceFile.identifiers = identifiers;
sourceFile.parseDiagnostics = parseDiagnostics;
if (setParentNodes) {
fixupParentReferences(sourceFile);
}
return sourceFile;
}
function addJSDocComment(node) {
if (contextFlags & 134217728) {
var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile);
if (comments) {
for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) {
var comment = comments_1[_i];
var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos);
if (!jsDocComment) {
continue;
}
if (!node.jsDocComments) {
node.jsDocComments = [];
}
node.jsDocComments.push(jsDocComment);
}
}
}
return node;
}
function createSourceFile(fileName, languageVersion, scriptKind) {
var sourceFile = new SourceFileConstructor(256, 0, sourceText.length);
nodeCount++;
sourceFile.text = sourceText;
sourceFile.bindDiagnostics = [];
sourceFile.languageVersion = languageVersion;
sourceFile.fileName = ts.normalizePath(fileName);
sourceFile.languageVariant = getLanguageVariant(scriptKind);
sourceFile.isDeclarationFile = ts.fileExtensionIs(sourceFile.fileName, ".d.ts");
sourceFile.scriptKind = scriptKind;
return sourceFile;
}
function setContextFlag(val, flag) {
if (val) {
contextFlags |= flag;
}
else {
contextFlags &= ~flag;
}
}
function setDisallowInContext(val) {
setContextFlag(val, 4194304);
}
function setYieldContext(val) {
setContextFlag(val, 8388608);
}
function setDecoratorContext(val) {
setContextFlag(val, 16777216);
}
function setAwaitContext(val) {
setContextFlag(val, 33554432);
}
function doOutsideOfContext(context, func) {
var contextFlagsToClear = context & contextFlags;
if (contextFlagsToClear) {
setContextFlag(false, contextFlagsToClear);
var result = func();
setContextFlag(true, contextFlagsToClear);
return result;
}
return func();
}
function doInsideOfContext(context, func) {
var contextFlagsToSet = context & ~contextFlags;
if (contextFlagsToSet) {
setContextFlag(true, contextFlagsToSet);
var result = func();
setContextFlag(false, contextFlagsToSet);
return result;
}
return func();
}
function allowInAnd(func) {
return doOutsideOfContext(4194304, func);
}
function disallowInAnd(func) {
return doInsideOfContext(4194304, func);
}
function doInYieldContext(func) {
return doInsideOfContext(8388608, func);
}
function doInDecoratorContext(func) {
return doInsideOfContext(16777216, func);
}
function doInAwaitContext(func) {
return doInsideOfContext(33554432, func);
}
function doOutsideOfAwaitContext(func) {
return doOutsideOfContext(33554432, func);
}
function doInYieldAndAwaitContext(func) {
return doInsideOfContext(8388608 | 33554432, func);
}
function inContext(flags) {
return (contextFlags & flags) !== 0;
}
function inYieldContext() {
return inContext(8388608);
}
function inDisallowInContext() {
return inContext(4194304);
}
function inDecoratorContext() {
return inContext(16777216);
}
function inAwaitContext() {
return inContext(33554432);
}
function parseErrorAtCurrentToken(message, arg0) {
var start = scanner.getTokenPos();
var length = scanner.getTextPos() - start;
parseErrorAtPosition(start, length, message, arg0);
}
function parseErrorAtPosition(start, length, message, arg0) {
var lastError = ts.lastOrUndefined(parseDiagnostics);
if (!lastError || start !== lastError.start) {
parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0));
}
parseErrorBeforeNextFinishedNode = true;
}
function scanError(message, length) {
var pos = scanner.getTextPos();
parseErrorAtPosition(pos, length || 0, message);
}
function getNodePos() {
return scanner.getStartPos();
}
function getNodeEnd() {
return scanner.getStartPos();
}
function token() {
return currentToken;
}
function nextToken() {
return currentToken = scanner.scan();
}
function reScanGreaterToken() {
return currentToken = scanner.reScanGreaterToken();
}
function reScanSlashToken() {
return currentToken = scanner.reScanSlashToken();
}
function reScanTemplateToken() {
return currentToken = scanner.reScanTemplateToken();
}
function scanJsxIdentifier() {
return currentToken = scanner.scanJsxIdentifier();
}
function scanJsxText() {
return currentToken = scanner.scanJsxToken();
}
function speculationHelper(callback, isLookAhead) {
var saveToken = currentToken;
var saveParseDiagnosticsLength = parseDiagnostics.length;
var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode;
var saveContextFlags = contextFlags;
var result = isLookAhead
? scanner.lookAhead(callback)
: scanner.tryScan(callback);
ts.Debug.assert(saveContextFlags === contextFlags);
if (!result || isLookAhead) {
currentToken = saveToken;
parseDiagnostics.length = saveParseDiagnosticsLength;
parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode;
}
return result;
}
function lookAhead(callback) {
return speculationHelper(callback, true);
}
function tryParse(callback) {
return speculationHelper(callback, false);
}
function isIdentifier() {
if (token() === 69) {
return true;
}
if (token() === 114 && inYieldContext()) {
return false;
}
if (token() === 119 && inAwaitContext()) {
return false;
}
return token() > 105;
}
function parseExpected(kind, diagnosticMessage, shouldAdvance) {
if (shouldAdvance === void 0) { shouldAdvance = true; }
if (token() === kind) {
if (shouldAdvance) {
nextToken();
}
return true;
}
if (diagnosticMessage) {
parseErrorAtCurrentToken(diagnosticMessage);
}
else {
parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind));
}
return false;
}
function parseOptional(t) {
if (token() === t) {
nextToken();
return true;
}
return false;
}
function parseOptionalToken(t) {
if (token() === t) {
return parseTokenNode();
}
return undefined;
}
function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) {
return parseOptionalToken(t) ||
createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0);
}
function parseTokenNode() {
var node = createNode(token());
nextToken();
return finishNode(node);
}
function canParseSemicolon() {
if (token() === 23) {
return true;
}
return token() === 16 || token() === 1 || scanner.hasPrecedingLineBreak();
}
function parseSemicolon() {
if (canParseSemicolon()) {
if (token() === 23) {
nextToken();
}
return true;
}
else {
return parseExpected(23);
}
}
function createNode(kind, pos) {
nodeCount++;
if (!(pos >= 0)) {
pos = scanner.getStartPos();
}
return kind >= 139 ? new NodeConstructor(kind, pos, pos) :
kind === 69 ? new IdentifierConstructor(kind, pos, pos) :
new TokenConstructor(kind, pos, pos);
}
function finishNode(node, end) {
node.end = end === undefined ? scanner.getStartPos() : end;
if (contextFlags) {
node.flags |= contextFlags;
}
if (parseErrorBeforeNextFinishedNode) {
parseErrorBeforeNextFinishedNode = false;
node.flags |= 67108864;
}
return node;
}
function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) {
if (reportAtCurrentPosition) {
parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0);
}
else {
parseErrorAtCurrentToken(diagnosticMessage, arg0);
}
var result = createNode(kind, scanner.getStartPos());
result.text = "";
return finishNode(result);
}
function internIdentifier(text) {
text = ts.escapeIdentifier(text);
return identifiers[text] || (identifiers[text] = text);
}
function createIdentifier(isIdentifier, diagnosticMessage) {
identifierCount++;
if (isIdentifier) {
var node = createNode(69);
if (token() !== 69) {
node.originalKeywordKind = token();
}
node.text = internIdentifier(scanner.getTokenValue());
nextToken();
return finishNode(node);
}
return createMissingNode(69, false, diagnosticMessage || ts.Diagnostics.Identifier_expected);
}
function parseIdentifier(diagnosticMessage) {
return createIdentifier(isIdentifier(), diagnosticMessage);
}
function parseIdentifierName() {
return createIdentifier(ts.tokenIsIdentifierOrKeyword(token()));
}
function isLiteralPropertyName() {
return ts.tokenIsIdentifierOrKeyword(token()) ||
token() === 9 ||
token() === 8;
}
function parsePropertyNameWorker(allowComputedPropertyNames) {
if (token() === 9 || token() === 8) {
return parseLiteralNode(true);
}
if (allowComputedPropertyNames && token() === 19) {
return parseComputedPropertyName();
}
return parseIdentifierName();
}
function parsePropertyName() {
return parsePropertyNameWorker(true);
}
function parseSimplePropertyName() {
return parsePropertyNameWorker(false);
}
function isSimplePropertyName() {
return token() === 9 || token() === 8 || ts.tokenIsIdentifierOrKeyword(token());
}
function parseComputedPropertyName() {
var node = createNode(140);
parseExpected(19);
node.expression = allowInAnd(parseExpression);
parseExpected(20);
return finishNode(node);
}
function parseContextualModifier(t) {
return token() === t && tryParse(nextTokenCanFollowModifier);
}
function nextTokenIsOnSameLineAndCanFollowModifier() {
nextToken();
if (scanner.hasPrecedingLineBreak()) {
return false;
}
return canFollowModifier();
}
function nextTokenCanFollowModifier() {
if (token() === 74) {
return nextToken() === 81;
}
if (token() === 82) {
nextToken();
if (token() === 77) {
return lookAhead(nextTokenIsClassOrFunctionOrAsync);
}
return token() !== 37 && token() !== 116 && token() !== 15 && canFollowModifier();
}
if (token() === 77) {
return nextTokenIsClassOrFunctionOrAsync();
}
if (token() === 113) {
nextToken();
return canFollowModifier();
}
return nextTokenIsOnSameLineAndCanFollowModifier();
}
function parseAnyContextualModifier() {
return ts.isModifierKind(token()) && tryParse(nextTokenCanFollowModifier);
}
function canFollowModifier() {
return token() === 19
|| token() === 15
|| token() === 37
|| token() === 22
|| isLiteralPropertyName();
}
function nextTokenIsClassOrFunctionOrAsync() {
nextToken();
return token() === 73 || token() === 87 ||
(token() === 118 && lookAhead(nextTokenIsFunctionKeywordOnSameLine));
}
function isListElement(parsingContext, inErrorRecovery) {
var node = currentNode(parsingContext);
if (node) {
return true;
}
switch (parsingContext) {
case 0:
case 1:
case 3:
return !(token() === 23 && inErrorRecovery) && isStartOfStatement();
case 2:
return token() === 71 || token() === 77;
case 4:
return lookAhead(isTypeMemberStart);
case 5:
return lookAhead(isClassMemberStart) || (token() === 23 && !inErrorRecovery);
case 6:
return token() === 19 || isLiteralPropertyName();
case 12:
return token() === 19 || token() === 37 || isLiteralPropertyName();
case 9:
return token() === 19 || isLiteralPropertyName();
case 7:
if (token() === 15) {
return lookAhead(isValidHeritageClauseObjectLiteral);
}
if (!inErrorRecovery) {
return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword();
}
else {
return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword();
}
case 8:
return isIdentifierOrPattern();
case 10:
return token() === 24 || token() === 22 || isIdentifierOrPattern();
case 17:
return isIdentifier();
case 11:
case 15:
return token() === 24 || token() === 22 || isStartOfExpression();
case 16:
return isStartOfParameter();
case 18:
case 19:
return token() === 24 || isStartOfType();
case 20:
return isHeritageClause();
case 21:
return ts.tokenIsIdentifierOrKeyword(token());
case 13:
return ts.tokenIsIdentifierOrKeyword(token()) || token() === 15;
case 14:
return true;
case 22:
case 23:
case 25:
return JSDocParser.isJSDocType();
case 24:
return isSimplePropertyName();
}
ts.Debug.fail("Non-exhaustive case in 'isListElement'.");
}
function isValidHeritageClauseObjectLiteral() {
ts.Debug.assert(token() === 15);
if (nextToken() === 16) {
var next = nextToken();
return next === 24 || next === 15 || next === 83 || next === 106;
}
return true;
}
function nextTokenIsIdentifier() {
nextToken();
return isIdentifier();
}
function nextTokenIsIdentifierOrKeyword() {
nextToken();
return ts.tokenIsIdentifierOrKeyword(token());
}
function isHeritageClauseExtendsOrImplementsKeyword() {
if (token() === 106 ||
token() === 83) {
return lookAhead(nextTokenIsStartOfExpression);
}
return false;
}
function nextTokenIsStartOfExpression() {
nextToken();
return isStartOfExpression();
}
function isListTerminator(kind) {
if (token() === 1) {
return true;
}
switch (kind) {
case 1:
case 2:
case 4:
case 5:
case 6:
case 12:
case 9:
case 21:
return token() === 16;
case 3:
return token() === 16 || token() === 71 || token() === 77;
case 7:
return token() === 15 || token() === 83 || token() === 106;
case 8:
return isVariableDeclaratorListTerminator();
case 17:
return token() === 27 || token() === 17 || token() === 15 || token() === 83 || token() === 106;
case 11:
return token() === 18 || token() === 23;
case 15:
case 19:
case 10:
return token() === 20;
case 16:
return token() === 18 || token() === 20;
case 18:
return token() !== 24;
case 20:
return token() === 15 || token() === 16;
case 13:
return token() === 27 || token() === 39;
case 14:
return token() === 25 && lookAhead(nextTokenIsSlash);
case 22:
return token() === 18 || token() === 54 || token() === 16;
case 23:
return token() === 27 || token() === 16;
case 25:
return token() === 20 || token() === 16;
case 24:
return token() === 16;
}
}
function isVariableDeclaratorListTerminator() {
if (canParseSemicolon()) {
return true;
}
if (isInOrOfKeyword(token())) {
return true;
}
if (token() === 34) {
return true;
}
return false;
}
function isInSomeParsingContext() {
for (var kind = 0; kind < 26; kind++) {
if (parsingContext & (1 << kind)) {
if (isListElement(kind, true) || isListTerminator(kind)) {
return true;
}
}
}
return false;
}
function parseList(kind, parseElement) {
var saveParsingContext = parsingContext;
parsingContext |= 1 << kind;
var result = [];
result.pos = getNodePos();
while (!isListTerminator(kind)) {
if (isListElement(kind, false)) {
var element = parseListElement(kind, parseElement);
result.push(element);
continue;
}
if (abortParsingListOrMoveToNextToken(kind)) {
break;
}
}
result.end = getNodeEnd();
parsingContext = saveParsingContext;
return result;
}
function parseListElement(parsingContext, parseElement) {
var node = currentNode(parsingContext);
if (node) {
return consumeNode(node);
}
return parseElement();
}
function currentNode(parsingContext) {
if (parseErrorBeforeNextFinishedNode) {
return undefined;
}
if (!syntaxCursor) {
return undefined;
}
var node = syntaxCursor.currentNode(scanner.getStartPos());
if (ts.nodeIsMissing(node)) {
return undefined;
}
if (node.intersectsChange) {
return undefined;
}
if (ts.containsParseError(node)) {
return undefined;
}
var nodeContextFlags = node.flags & 197132288;
if (nodeContextFlags !== contextFlags) {
return undefined;
}
if (!canReuseNode(node, parsingContext)) {
return undefined;
}
return node;
}
function consumeNode(node) {
scanner.setTextPos(node.end);
nextToken();
return node;
}
function canReuseNode(node, parsingContext) {
switch (parsingContext) {
case 5:
return isReusableClassMember(node);
case 2:
return isReusableSwitchClause(node);
case 0:
case 1:
case 3:
return isReusableStatement(node);
case 6:
return isReusableEnumMember(node);
case 4:
return isReusableTypeMember(node);
case 8:
return isReusableVariableDeclaration(node);
case 16:
return isReusableParameter(node);
case 20:
case 17:
case 19:
case 18:
case 11:
case 12:
case 7:
case 13:
case 14:
}
return false;
}
function isReusableClassMember(node) {
if (node) {
switch (node.kind) {
case 148:
case 153:
case 149:
case 150:
case 145:
case 198:
return true;
case 147:
var methodDeclaration = node;
var nameIsConstructor = methodDeclaration.name.kind === 69 &&
methodDeclaration.name.originalKeywordKind === 121;
return !nameIsConstructor;
}
}
return false;
}
function isReusableSwitchClause(node) {
if (node) {
switch (node.kind) {
case 249:
case 250:
return true;
}
}
return false;
}
function isReusableStatement(node) {
if (node) {
switch (node.kind) {
case 220:
case 200:
case 199:
case 203:
case 202:
case 215:
case 211:
case 213:
case 210:
case 209:
case 207:
case 208:
case 206:
case 205:
case 212:
case 201:
case 216:
case 214:
case 204:
case 217:
case 230:
case 229:
case 236:
case 235:
case 225:
case 221:
case 222:
case 224:
case 223:
return true;
}
}
return false;
}
function isReusableEnumMember(node) {
return node.kind === 255;
}
function isReusableTypeMember(node) {
if (node) {
switch (node.kind) {
case 152:
case 146:
case 153:
case 144:
case 151:
return true;
}
}
return false;
}
function isReusableVariableDeclaration(node) {
if (node.kind !== 218) {
return false;
}
var variableDeclarator = node;
return variableDeclarator.initializer === undefined;
}
function isReusableParameter(node) {
if (node.kind !== 142) {
return false;
}
var parameter = node;
return parameter.initializer === undefined;
}
function abortParsingListOrMoveToNextToken(kind) {
parseErrorAtCurrentToken(parsingContextErrors(kind));
if (isInSomeParsingContext()) {
return true;
}
nextToken();
return false;
}
function parsingContextErrors(context) {
switch (context) {
case 0: return ts.Diagnostics.Declaration_or_statement_expected;
case 1: return ts.Diagnostics.Declaration_or_statement_expected;
case 2: return ts.Diagnostics.case_or_default_expected;
case 3: return ts.Diagnostics.Statement_expected;
case 4: return ts.Diagnostics.Property_or_signature_expected;
case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected;
case 6: return ts.Diagnostics.Enum_member_expected;
case 7: return ts.Diagnostics.Expression_expected;
case 8: return ts.Diagnostics.Variable_declaration_expected;
case 9: return ts.Diagnostics.Property_destructuring_pattern_expected;
case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected;
case 11: return ts.Diagnostics.Argument_expression_expected;
case 12: return ts.Diagnostics.Property_assignment_expected;
case 15: return ts.Diagnostics.Expression_or_comma_expected;
case 16: return ts.Diagnostics.Parameter_declaration_expected;
case 17: return ts.Diagnostics.Type_parameter_declaration_expected;
case 18: return ts.Diagnostics.Type_argument_expected;
case 19: return ts.Diagnostics.Type_expected;
case 20: return ts.Diagnostics.Unexpected_token_expected;
case 21: return ts.Diagnostics.Identifier_expected;
case 13: return ts.Diagnostics.Identifier_expected;
case 14: return ts.Diagnostics.Identifier_expected;
case 22: return ts.Diagnostics.Parameter_declaration_expected;
case 23: return ts.Diagnostics.Type_argument_expected;
case 25: return ts.Diagnostics.Type_expected;
case 24: return ts.Diagnostics.Property_assignment_expected;
}
}
;
function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimiter) {
var saveParsingContext = parsingContext;
parsingContext |= 1 << kind;
var result = [];
result.pos = getNodePos();
var commaStart = -1;
while (true) {
if (isListElement(kind, false)) {
result.push(parseListElement(kind, parseElement));
commaStart = scanner.getTokenPos();
if (parseOptional(24)) {
continue;
}
commaStart = -1;
if (isListTerminator(kind)) {
break;
}
parseExpected(24);
if (considerSemicolonAsDelimiter && token() === 23 && !scanner.hasPrecedingLineBreak()) {
nextToken();
}
continue;
}
if (isListTerminator(kind)) {
break;
}
if (abortParsingListOrMoveToNextToken(kind)) {
break;
}
}
if (commaStart >= 0) {
result.hasTrailingComma = true;
}
result.end = getNodeEnd();
parsingContext = saveParsingContext;
return result;
}
function createMissingList() {
var pos = getNodePos();
var result = [];
result.pos = pos;
result.end = pos;
return result;
}
function parseBracketedList(kind, parseElement, open, close) {
if (parseExpected(open)) {
var result = parseDelimitedList(kind, parseElement);
parseExpected(close);
return result;
}
return createMissingList();
}
function parseEntityName(allowReservedWords, diagnosticMessage) {
var entity = parseIdentifier(diagnosticMessage);
while (parseOptional(21)) {
var node = createNode(139, entity.pos);
node.left = entity;
node.right = parseRightSideOfDot(allowReservedWords);
entity = finishNode(node);
}
return entity;
}
function parseRightSideOfDot(allowIdentifierNames) {
if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token())) {
var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine);
if (matchesPattern) {
return createMissingNode(69, true, ts.Diagnostics.Identifier_expected);
}
}
return allowIdentifierNames ? parseIdentifierName() : parseIdentifier();
}
function parseTemplateExpression() {
var template = createNode(189);
template.head = parseTemplateLiteralFragment();
ts.Debug.assert(template.head.kind === 12, "Template head has wrong token kind");
var templateSpans = [];
templateSpans.pos = getNodePos();
do {
templateSpans.push(parseTemplateSpan());
} while (ts.lastOrUndefined(templateSpans).literal.kind === 13);
templateSpans.end = getNodeEnd();
template.templateSpans = templateSpans;
return finishNode(template);
}
function parseTemplateSpan() {
var span = createNode(197);
span.expression = allowInAnd(parseExpression);
var literal;
if (token() === 16) {
reScanTemplateToken();
literal = parseTemplateLiteralFragment();
}
else {
literal = parseExpectedToken(14, false, ts.Diagnostics._0_expected, ts.tokenToString(16));
}
span.literal = literal;
return finishNode(span);
}
function parseLiteralNode(internName) {
return parseLiteralLikeNode(token(), internName);
}
function parseTemplateLiteralFragment() {
return parseLiteralLikeNode(token(), false);
}
function parseLiteralLikeNode(kind, internName) {
var node = createNode(kind);
var text = scanner.getTokenValue();
node.text = internName ? internIdentifier(text) : text;
if (scanner.hasExtendedUnicodeEscape()) {
node.hasExtendedUnicodeEscape = true;
}
if (scanner.isUnterminated()) {
node.isUnterminated = true;
}
var tokenPos = scanner.getTokenPos();
nextToken();
finishNode(node);
if (node.kind === 8
&& sourceText.charCodeAt(tokenPos) === 48
&& ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) {
node.isOctalLiteral = true;
}
return node;
}
function parseTypeReference() {
var typeName = parseEntityName(false, ts.Diagnostics.Type_expected);
var node = createNode(155, typeName.pos);
node.typeName = typeName;
if (!scanner.hasPrecedingLineBreak() && token() === 25) {
node.typeArguments = parseBracketedList(18, parseType, 25, 27);
}
return finishNode(node);
}
function parseThisTypePredicate(lhs) {
nextToken();
var node = createNode(154, lhs.pos);
node.parameterName = lhs;
node.type = parseType();
return finishNode(node);
}
function parseThisTypeNode() {
var node = createNode(165);
nextToken();
return finishNode(node);
}
function parseTypeQuery() {
var node = createNode(158);
parseExpected(101);
node.exprName = parseEntityName(true);
return finishNode(node);
}
function parseTypeParameter() {
var node = createNode(141);
node.name = parseIdentifier();
if (parseOptional(83)) {
if (isStartOfType() || !isStartOfExpression()) {
node.constraint = parseType();
}
else {
node.expression = parseUnaryExpressionOrHigher();
}
}
return finishNode(node);
}
function parseTypeParameters() {
if (token() === 25) {
return parseBracketedList(17, parseTypeParameter, 25, 27);
}
}
function parseParameterType() {
if (parseOptional(54)) {
return parseType();
}
return undefined;
}
function isStartOfParameter() {
return token() === 22 || isIdentifierOrPattern() || ts.isModifierKind(token()) || token() === 55 || token() === 97;
}
function setModifiers(node, modifiers) {
if (modifiers) {
node.flags |= modifiers.flags;
node.modifiers = modifiers;
}
}
function parseParameter() {
var node = createNode(142);
if (token() === 97) {
node.name = createIdentifier(true, undefined);
node.type = parseParameterType();
return finishNode(node);
}
node.decorators = parseDecorators();
setModifiers(node, parseModifiers());
node.dotDotDotToken = parseOptionalToken(22);
node.name = parseIdentifierOrPattern();
if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token())) {
nextToken();
}
node.questionToken = parseOptionalToken(53);
node.type = parseParameterType();
node.initializer = parseBindingElementInitializer(true);
return addJSDocComment(finishNode(node));
}
function parseBindingElementInitializer(inParameter) {
return inParameter ? parseParameterInitializer() : parseNonParameterInitializer();
}
function parseParameterInitializer() {
return parseInitializer(true);
}
function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) {
var returnTokenRequired = returnToken === 34;
signature.typeParameters = parseTypeParameters();
signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList);
if (returnTokenRequired) {
parseExpected(returnToken);
signature.type = parseTypeOrTypePredicate();
}
else if (parseOptional(returnToken)) {
signature.type = parseTypeOrTypePredicate();
}
}
function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) {
if (parseExpected(17)) {
var savedYieldContext = inYieldContext();
var savedAwaitContext = inAwaitContext();
setYieldContext(yieldContext);
setAwaitContext(awaitContext);
var result = parseDelimitedList(16, parseParameter);
setYieldContext(savedYieldContext);
setAwaitContext(savedAwaitContext);
if (!parseExpected(18) && requireCompleteParameterList) {
return undefined;
}
return result;
}
return requireCompleteParameterList ? undefined : createMissingList();
}
function parseTypeMemberSemicolon() {
if (parseOptional(24)) {
return;
}
parseSemicolon();
}
function parseSignatureMember(kind) {
var node = createNode(kind);
if (kind === 152) {
parseExpected(92);
}
fillSignature(54, false, false, false, node);
parseTypeMemberSemicolon();
return finishNode(node);
}
function isIndexSignature() {
if (token() !== 19) {
return false;
}
return lookAhead(isUnambiguouslyIndexSignature);
}
function isUnambiguouslyIndexSignature() {
nextToken();
if (token() === 22 || token() === 20) {
return true;
}
if (ts.isModifierKind(token())) {
nextToken();
if (isIdentifier()) {
return true;
}
}
else if (!isIdentifier()) {
return false;
}
else {
nextToken();
}
if (token() === 54 || token() === 24) {
return true;
}
if (token() !== 53) {
return false;
}
nextToken();
return token() === 54 || token() === 24 || token() === 20;
}
function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) {
var node = createNode(153, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
node.parameters = parseBracketedList(16, parseParameter, 19, 20);
node.type = parseTypeAnnotation();
parseTypeMemberSemicolon();
return finishNode(node);
}
function parsePropertyOrMethodSignature(fullStart, modifiers) {
var name = parsePropertyName();
var questionToken = parseOptionalToken(53);
if (token() === 17 || token() === 25) {
var method = createNode(146, fullStart);
setModifiers(method, modifiers);
method.name = name;
method.questionToken = questionToken;
fillSignature(54, false, false, false, method);
parseTypeMemberSemicolon();
return finishNode(method);
}
else {
var property = createNode(144, fullStart);
setModifiers(property, modifiers);
property.name = name;
property.questionToken = questionToken;
property.type = parseTypeAnnotation();
if (token() === 56) {
property.initializer = parseNonParameterInitializer();
}
parseTypeMemberSemicolon();
return finishNode(property);
}
}
function isTypeMemberStart() {
var idToken;
if (token() === 17 || token() === 25) {
return true;
}
while (ts.isModifierKind(token())) {
idToken = token();
nextToken();
}
if (token() === 19) {
return true;
}
if (isLiteralPropertyName()) {
idToken = token();
nextToken();
}
if (idToken) {
return token() === 17 ||
token() === 25 ||
token() === 53 ||
token() === 54 ||
token() === 24 ||
canParseSemicolon();
}
return false;
}
function parseTypeMember() {
if (token() === 17 || token() === 25) {
return parseSignatureMember(151);
}
if (token() === 92 && lookAhead(isStartOfConstructSignature)) {
return parseSignatureMember(152);
}
var fullStart = getNodePos();
var modifiers = parseModifiers();
if (isIndexSignature()) {
return parseIndexSignatureDeclaration(fullStart, undefined, modifiers);
}
return parsePropertyOrMethodSignature(fullStart, modifiers);
}
function isStartOfConstructSignature() {
nextToken();
return token() === 17 || token() === 25;
}
function parseTypeLiteral() {
var node = createNode(159);
node.members = parseObjectTypeMembers();
return finishNode(node);
}
function parseObjectTypeMembers() {
var members;
if (parseExpected(15)) {
members = parseList(4, parseTypeMember);
parseExpected(16);
}
else {
members = createMissingList();
}
return members;
}
function parseTupleType() {
var node = createNode(161);
node.elementTypes = parseBracketedList(19, parseType, 19, 20);
return finishNode(node);
}
function parseParenthesizedType() {
var node = createNode(164);
parseExpected(17);
node.type = parseType();
parseExpected(18);
return finishNode(node);
}
function parseFunctionOrConstructorType(kind) {
var node = createNode(kind);
if (kind === 157) {
parseExpected(92);
}
fillSignature(34, false, false, false, node);
return finishNode(node);
}
function parseKeywordAndNoDot() {
var node = parseTokenNode();
return token() === 21 ? undefined : node;
}
function parseLiteralTypeNode() {
var node = createNode(166);
node.literal = parseSimpleUnaryExpression();
finishNode(node);
return node;
}
function nextTokenIsNumericLiteral() {
return nextToken() === 8;
}
function parseNonArrayType() {
switch (token()) {
case 117:
case 132:
case 130:
case 120:
case 133:
case 135:
case 127:
var node = tryParse(parseKeywordAndNoDot);
return node || parseTypeReference();
case 9:
case 8:
case 99:
case 84:
return parseLiteralTypeNode();
case 36:
return lookAhead(nextTokenIsNumericLiteral) ? parseLiteralTypeNode() : parseTypeReference();
case 103:
case 93:
return parseTokenNode();
case 97: {
var thisKeyword = parseThisTypeNode();
if (token() === 124 && !scanner.hasPrecedingLineBreak()) {
return parseThisTypePredicate(thisKeyword);
}
else {
return thisKeyword;
}
}
case 101:
return parseTypeQuery();
case 15:
return parseTypeLiteral();
case 19:
return parseTupleType();
case 17:
return parseParenthesizedType();
default:
return parseTypeReference();
}
}
function isStartOfType() {
switch (token()) {
case 117:
case 132:
case 130:
case 120:
case 133:
case 103:
case 135:
case 93:
case 97:
case 101:
case 127:
case 15:
case 19:
case 25:
case 92:
case 9:
case 8:
case 99:
case 84:
return true;
case 36:
return lookAhead(nextTokenIsNumericLiteral);
case 17:
return lookAhead(isStartOfParenthesizedOrFunctionType);
default:
return isIdentifier();
}
}
function isStartOfParenthesizedOrFunctionType() {
nextToken();
return token() === 18 || isStartOfParameter() || isStartOfType();
}
function parseArrayTypeOrHigher() {
var type = parseNonArrayType();
while (!scanner.hasPrecedingLineBreak() && parseOptional(19)) {
parseExpected(20);
var node = createNode(160, type.pos);
node.elementType = type;
type = finishNode(node);
}
return type;
}
function parseUnionOrIntersectionType(kind, parseConstituentType, operator) {
var type = parseConstituentType();
if (token() === operator) {
var types = [type];
types.pos = type.pos;
while (parseOptional(operator)) {
types.push(parseConstituentType());
}
types.end = getNodeEnd();
var node = createNode(kind, type.pos);
node.types = types;
type = finishNode(node);
}
return type;
}
function parseIntersectionTypeOrHigher() {
return parseUnionOrIntersectionType(163, parseArrayTypeOrHigher, 46);
}
function parseUnionTypeOrHigher() {
return parseUnionOrIntersectionType(162, parseIntersectionTypeOrHigher, 47);
}
function isStartOfFunctionType() {
if (token() === 25) {
return true;
}
return token() === 17 && lookAhead(isUnambiguouslyStartOfFunctionType);
}
function skipParameterStart() {
if (ts.isModifierKind(token())) {
parseModifiers();
}
if (isIdentifier() || token() === 97) {
nextToken();
return true;
}
if (token() === 19 || token() === 15) {
var previousErrorCount = parseDiagnostics.length;
parseIdentifierOrPattern();
return previousErrorCount === parseDiagnostics.length;
}
return false;
}
function isUnambiguouslyStartOfFunctionType() {
nextToken();
if (token() === 18 || token() === 22) {
return true;
}
if (skipParameterStart()) {
if (token() === 54 || token() === 24 ||
token() === 53 || token() === 56) {
return true;
}
if (token() === 18) {
nextToken();
if (token() === 34) {
return true;
}
}
}
return false;
}
function parseTypeOrTypePredicate() {
var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix);
var type = parseType();
if (typePredicateVariable) {
var node = createNode(154, typePredicateVariable.pos);
node.parameterName = typePredicateVariable;
node.type = type;
return finishNode(node);
}
else {
return type;
}
}
function parseTypePredicatePrefix() {
var id = parseIdentifier();
if (token() === 124 && !scanner.hasPrecedingLineBreak()) {
nextToken();
return id;
}
}
function parseType() {
return doOutsideOfContext(41943040, parseTypeWorker);
}
function parseTypeWorker() {
if (isStartOfFunctionType()) {
return parseFunctionOrConstructorType(156);
}
if (token() === 92) {
return parseFunctionOrConstructorType(157);
}
return parseUnionTypeOrHigher();
}
function parseTypeAnnotation() {
return parseOptional(54) ? parseType() : undefined;
}
function isStartOfLeftHandSideExpression() {
switch (token()) {
case 97:
case 95:
case 93:
case 99:
case 84:
case 8:
case 9:
case 11:
case 12:
case 17:
case 19:
case 15:
case 87:
case 73:
case 92:
case 39:
case 61:
case 69:
return true;
default:
return isIdentifier();
}
}
function isStartOfExpression() {
if (isStartOfLeftHandSideExpression()) {
return true;
}
switch (token()) {
case 35:
case 36:
case 50:
case 49:
case 78:
case 101:
case 103:
case 41:
case 42:
case 25:
case 119:
case 114:
return true;
default:
if (isBinaryOperator()) {
return true;
}
return isIdentifier();
}
}
function isStartOfExpressionStatement() {
return token() !== 15 &&
token() !== 87 &&
token() !== 73 &&
token() !== 55 &&
isStartOfExpression();
}
function parseExpression() {
var saveDecoratorContext = inDecoratorContext();
if (saveDecoratorContext) {
setDecoratorContext(false);
}
var expr = parseAssignmentExpressionOrHigher();
var operatorToken;
while ((operatorToken = parseOptionalToken(24))) {
expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher());
}
if (saveDecoratorContext) {
setDecoratorContext(true);
}
return expr;
}
function parseInitializer(inParameter) {
if (token() !== 56) {
if (scanner.hasPrecedingLineBreak() || (inParameter && token() === 15) || !isStartOfExpression()) {
return undefined;
}
}
parseExpected(56);
return parseAssignmentExpressionOrHigher();
}
function parseAssignmentExpressionOrHigher() {
if (isYieldExpression()) {
return parseYieldExpression();
}
var arrowExpression = tryParseParenthesizedArrowFunctionExpression() || tryParseAsyncSimpleArrowFunctionExpression();
if (arrowExpression) {
return arrowExpression;
}
var expr = parseBinaryExpressionOrHigher(0);
if (expr.kind === 69 && token() === 34) {
return parseSimpleArrowFunctionExpression(expr);
}
if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) {
return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher());
}
return parseConditionalExpressionRest(expr);
}
function isYieldExpression() {
if (token() === 114) {
if (inYieldContext()) {
return true;
}
return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine);
}
return false;
}
function nextTokenIsIdentifierOnSameLine() {
nextToken();
return !scanner.hasPrecedingLineBreak() && isIdentifier();
}
function parseYieldExpression() {
var node = createNode(190);
nextToken();
if (!scanner.hasPrecedingLineBreak() &&
(token() === 37 || isStartOfExpression())) {
node.asteriskToken = parseOptionalToken(37);
node.expression = parseAssignmentExpressionOrHigher();
return finishNode(node);
}
else {
return finishNode(node);
}
}
function parseSimpleArrowFunctionExpression(identifier, asyncModifier) {
ts.Debug.assert(token() === 34, "parseSimpleArrowFunctionExpression should only have been called if we had a =>");
var node;
if (asyncModifier) {
node = createNode(180, asyncModifier.pos);
setModifiers(node, asyncModifier);
}
else {
node = createNode(180, identifier.pos);
}
var parameter = createNode(142, identifier.pos);
parameter.name = identifier;
finishNode(parameter);
node.parameters = [parameter];
node.parameters.pos = parameter.pos;
node.parameters.end = parameter.end;
node.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>");
node.body = parseArrowFunctionExpressionBody(!!asyncModifier);
return finishNode(node);
}
function tryParseParenthesizedArrowFunctionExpression() {
var triState = isParenthesizedArrowFunctionExpression();
if (triState === 0) {
return undefined;
}
var arrowFunction = triState === 1
? parseParenthesizedArrowFunctionExpressionHead(true)
: tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead);
if (!arrowFunction) {
return undefined;
}
var isAsync = !!(arrowFunction.flags & 256);
var lastToken = token();
arrowFunction.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>");
arrowFunction.body = (lastToken === 34 || lastToken === 15)
? parseArrowFunctionExpressionBody(isAsync)
: parseIdentifier();
return finishNode(arrowFunction);
}
function isParenthesizedArrowFunctionExpression() {
if (token() === 17 || token() === 25 || token() === 118) {
return lookAhead(isParenthesizedArrowFunctionExpressionWorker);
}
if (token() === 34) {
return 1;
}
return 0;
}
function isParenthesizedArrowFunctionExpressionWorker() {
if (token() === 118) {
nextToken();
if (scanner.hasPrecedingLineBreak()) {
return 0;
}
if (token() !== 17 && token() !== 25) {
return 0;
}
}
var first = token();
var second = nextToken();
if (first === 17) {
if (second === 18) {
var third = nextToken();
switch (third) {
case 34:
case 54:
case 15:
return 1;
default:
return 0;
}
}
if (second === 19 || second === 15) {
return 2;
}
if (second === 22) {
return 1;
}
if (!isIdentifier()) {
return 0;
}
if (nextToken() === 54) {
return 1;
}
return 2;
}
else {
ts.Debug.assert(first === 25);
if (!isIdentifier()) {
return 0;
}
if (sourceFile.languageVariant === 1) {
var isArrowFunctionInJsx = lookAhead(function () {
var third = nextToken();
if (third === 83) {
var fourth = nextToken();
switch (fourth) {
case 56:
case 27:
return false;
default:
return true;
}
}
else if (third === 24) {
return true;
}
return false;
});
if (isArrowFunctionInJsx) {
return 1;
}
return 0;
}
return 2;
}
}
function parsePossibleParenthesizedArrowFunctionExpressionHead() {
return parseParenthesizedArrowFunctionExpressionHead(false);
}
function tryParseAsyncSimpleArrowFunctionExpression() {
if (token() === 118) {
var isUnParenthesizedAsyncArrowFunction = lookAhead(isUnParenthesizedAsyncArrowFunctionWorker);
if (isUnParenthesizedAsyncArrowFunction === 1) {
var asyncModifier = parseModifiersForArrowFunction();
var expr = parseBinaryExpressionOrHigher(0);
return parseSimpleArrowFunctionExpression(expr, asyncModifier);
}
}
return undefined;
}
function isUnParenthesizedAsyncArrowFunctionWorker() {
if (token() === 118) {
nextToken();
if (scanner.hasPrecedingLineBreak() || token() === 34) {
return 0;
}
var expr = parseBinaryExpressionOrHigher(0);
if (!scanner.hasPrecedingLineBreak() && expr.kind === 69 && token() === 34) {
return 1;
}
}
return 0;
}
function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) {
var node = createNode(180);
setModifiers(node, parseModifiersForArrowFunction());
var isAsync = !!(node.flags & 256);
fillSignature(54, false, isAsync, !allowAmbiguity, node);
if (!node.parameters) {
return undefined;
}
if (!allowAmbiguity && token() !== 34 && token() !== 15) {
return undefined;
}
return node;
}
function parseArrowFunctionExpressionBody(isAsync) {
if (token() === 15) {
return parseFunctionBlock(false, isAsync, false);
}
if (token() !== 23 &&
token() !== 87 &&
token() !== 73 &&
isStartOfStatement() &&
!isStartOfExpressionStatement()) {
return parseFunctionBlock(false, isAsync, true);
}
return isAsync
? doInAwaitContext(parseAssignmentExpressionOrHigher)
: doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher);
}
function parseConditionalExpressionRest(leftOperand) {
var questionToken = parseOptionalToken(53);
if (!questionToken) {
return leftOperand;
}
var node = createNode(188, leftOperand.pos);
node.condition = leftOperand;
node.questionToken = questionToken;
node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher);
node.colonToken = parseExpectedToken(54, false, ts.Diagnostics._0_expected, ts.tokenToString(54));
node.whenFalse = parseAssignmentExpressionOrHigher();
return finishNode(node);
}
function parseBinaryExpressionOrHigher(precedence) {
var leftOperand = parseUnaryExpressionOrHigher();
return parseBinaryExpressionRest(precedence, leftOperand);
}
function isInOrOfKeyword(t) {
return t === 90 || t === 138;
}
function parseBinaryExpressionRest(precedence, leftOperand) {
while (true) {
reScanGreaterToken();
var newPrecedence = getBinaryOperatorPrecedence();
var consumeCurrentOperator = token() === 38 ?
newPrecedence >= precedence :
newPrecedence > precedence;
if (!consumeCurrentOperator) {
break;
}
if (token() === 90 && inDisallowInContext()) {
break;
}
if (token() === 116) {
if (scanner.hasPrecedingLineBreak()) {
break;
}
else {
nextToken();
leftOperand = makeAsExpression(leftOperand, parseType());
}
}
else {
leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence));
}
}
return leftOperand;
}
function isBinaryOperator() {
if (inDisallowInContext() && token() === 90) {
return false;
}
return getBinaryOperatorPrecedence() > 0;
}
function getBinaryOperatorPrecedence() {
switch (token()) {
case 52:
return 1;
case 51:
return 2;
case 47:
return 3;
case 48:
return 4;
case 46:
return 5;
case 30:
case 31:
case 32:
case 33:
return 6;
case 25:
case 27:
case 28:
case 29:
case 91:
case 90:
case 116:
return 7;
case 43:
case 44:
case 45:
return 8;
case 35:
case 36:
return 9;
case 37:
case 39:
case 40:
return 10;
case 38:
return 11;
}
return -1;
}
function makeBinaryExpression(left, operatorToken, right) {
var node = createNode(187, left.pos);
node.left = left;
node.operatorToken = operatorToken;
node.right = right;
return finishNode(node);
}
function makeAsExpression(left, right) {
var node = createNode(195, left.pos);
node.expression = left;
node.type = right;
return finishNode(node);
}
function parsePrefixUnaryExpression() {
var node = createNode(185);
node.operator = token();
nextToken();
node.operand = parseSimpleUnaryExpression();
return finishNode(node);
}
function parseDeleteExpression() {
var node = createNode(181);
nextToken();
node.expression = parseSimpleUnaryExpression();
return finishNode(node);
}
function parseTypeOfExpression() {
var node = createNode(182);
nextToken();
node.expression = parseSimpleUnaryExpression();
return finishNode(node);
}
function parseVoidExpression() {
var node = createNode(183);
nextToken();
node.expression = parseSimpleUnaryExpression();
return finishNode(node);
}
function isAwaitExpression() {
if (token() === 119) {
if (inAwaitContext()) {
return true;
}
return lookAhead(nextTokenIsIdentifierOnSameLine);
}
return false;
}
function parseAwaitExpression() {
var node = createNode(184);
nextToken();
node.expression = parseSimpleUnaryExpression();
return finishNode(node);
}
function parseUnaryExpressionOrHigher() {
if (isUpdateExpression()) {
var incrementExpression = parseIncrementExpression();
return token() === 38 ?
parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) :
incrementExpression;
}
var unaryOperator = token();
var simpleUnaryExpression = parseSimpleUnaryExpression();
if (token() === 38) {
var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos);
if (simpleUnaryExpression.kind === 177) {
parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses);
}
else {
parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator));
}
}
return simpleUnaryExpression;
}
function parseSimpleUnaryExpression() {
switch (token()) {
case 35:
case 36:
case 50:
case 49:
return parsePrefixUnaryExpression();
case 78:
return parseDeleteExpression();
case 101:
return parseTypeOfExpression();
case 103:
return parseVoidExpression();
case 25:
return parseTypeAssertion();
case 119:
if (isAwaitExpression()) {
return parseAwaitExpression();
}
default:
return parseIncrementExpression();
}
}
function isUpdateExpression() {
switch (token()) {
case 35:
case 36:
case 50:
case 49:
case 78:
case 101:
case 103:
case 119:
return false;
case 25:
if (sourceFile.languageVariant !== 1) {
return false;
}
default:
return true;
}
}
function parseIncrementExpression() {
if (token() === 41 || token() === 42) {
var node = createNode(185);
node.operator = token();
nextToken();
node.operand = parseLeftHandSideExpressionOrHigher();
return finishNode(node);
}
else if (sourceFile.languageVariant === 1 && token() === 25 && lookAhead(nextTokenIsIdentifierOrKeyword)) {
return parseJsxElementOrSelfClosingElement(true);
}
var expression = parseLeftHandSideExpressionOrHigher();
ts.Debug.assert(ts.isLeftHandSideExpression(expression));
if ((token() === 41 || token() === 42) && !scanner.hasPrecedingLineBreak()) {
var node = createNode(186, expression.pos);
node.operand = expression;
node.operator = token();
nextToken();
return finishNode(node);
}
return expression;
}
function parseLeftHandSideExpressionOrHigher() {
var expression = token() === 95
? parseSuperExpression()
: parseMemberExpressionOrHigher();
return parseCallExpressionRest(expression);
}
function parseMemberExpressionOrHigher() {
var expression = parsePrimaryExpression();
return parseMemberExpressionRest(expression);
}
function parseSuperExpression() {
var expression = parseTokenNode();
if (token() === 17 || token() === 21 || token() === 19) {
return expression;
}
var node = createNode(172, expression.pos);
node.expression = expression;
parseExpectedToken(21, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access);
node.name = parseRightSideOfDot(true);
return finishNode(node);
}
function tagNamesAreEquivalent(lhs, rhs) {
if (lhs.kind !== rhs.kind) {
return false;
}
if (lhs.kind === 69) {
return lhs.text === rhs.text;
}
if (lhs.kind === 97) {
return true;
}
return lhs.name.text === rhs.name.text &&
tagNamesAreEquivalent(lhs.expression, rhs.expression);
}
function parseJsxElementOrSelfClosingElement(inExpressionContext) {
var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext);
var result;
if (opening.kind === 243) {
var node = createNode(241, opening.pos);
node.openingElement = opening;
node.children = parseJsxChildren(node.openingElement.tagName);
node.closingElement = parseJsxClosingElement(inExpressionContext);
if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) {
parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName));
}
result = finishNode(node);
}
else {
ts.Debug.assert(opening.kind === 242);
result = opening;
}
if (inExpressionContext && token() === 25) {
var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); });
if (invalidElement) {
parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element);
var badNode = createNode(187, result.pos);
badNode.end = invalidElement.end;
badNode.left = result;
badNode.right = invalidElement;
badNode.operatorToken = createMissingNode(24, false, undefined);
badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos;
return badNode;
}
}
return result;
}
function parseJsxText() {
var node = createNode(244, scanner.getStartPos());
currentToken = scanner.scanJsxToken();
return finishNode(node);
}
function parseJsxChild() {
switch (token()) {
case 244:
return parseJsxText();
case 15:
return parseJsxExpression(false);
case 25:
return parseJsxElementOrSelfClosingElement(false);
}
ts.Debug.fail("Unknown JSX child kind " + token());
}
function parseJsxChildren(openingTagName) {
var result = [];
result.pos = scanner.getStartPos();
var saveParsingContext = parsingContext;
parsingContext |= 1 << 14;
while (true) {
currentToken = scanner.reScanJsxToken();
if (token() === 26) {
break;
}
else if (token() === 1) {
parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName));
break;
}
result.push(parseJsxChild());
}
result.end = scanner.getTokenPos();
parsingContext = saveParsingContext;
return result;
}
function parseJsxOpeningOrSelfClosingElement(inExpressionContext) {
var fullStart = scanner.getStartPos();
parseExpected(25);
var tagName = parseJsxElementName();
var attributes = parseList(13, parseJsxAttribute);
var node;
if (token() === 27) {
node = createNode(243, fullStart);
scanJsxText();
}
else {
parseExpected(39);
if (inExpressionContext) {
parseExpected(27);
}
else {
parseExpected(27, undefined, false);
scanJsxText();
}
node = createNode(242, fullStart);
}
node.tagName = tagName;
node.attributes = attributes;
return finishNode(node);
}
function parseJsxElementName() {
scanJsxIdentifier();
var expression = token() === 97 ?
parseTokenNode() : parseIdentifierName();
while (parseOptional(21)) {
var propertyAccess = createNode(172, expression.pos);
propertyAccess.expression = expression;
propertyAccess.name = parseRightSideOfDot(true);
expression = finishNode(propertyAccess);
}
return expression;
}
function parseJsxExpression(inExpressionContext) {
var node = createNode(248);
parseExpected(15);
if (token() !== 16) {
node.expression = parseAssignmentExpressionOrHigher();
}
if (inExpressionContext) {
parseExpected(16);
}
else {
parseExpected(16, undefined, false);
scanJsxText();
}
return finishNode(node);
}
function parseJsxAttribute() {
if (token() === 15) {
return parseJsxSpreadAttribute();
}
scanJsxIdentifier();
var node = createNode(246);
node.name = parseIdentifierName();
if (parseOptional(56)) {
switch (token()) {
case 9:
node.initializer = parseLiteralNode();
break;
default:
node.initializer = parseJsxExpression(true);
break;
}
}
return finishNode(node);
}
function parseJsxSpreadAttribute() {
var node = createNode(247);
parseExpected(15);
parseExpected(22);
node.expression = parseExpression();
parseExpected(16);
return finishNode(node);
}
function parseJsxClosingElement(inExpressionContext) {
var node = createNode(245);
parseExpected(26);
node.tagName = parseJsxElementName();
if (inExpressionContext) {
parseExpected(27);
}
else {
parseExpected(27, undefined, false);
scanJsxText();
}
return finishNode(node);
}
function parseTypeAssertion() {
var node = createNode(177);
parseExpected(25);
node.type = parseType();
parseExpected(27);
node.expression = parseSimpleUnaryExpression();
return finishNode(node);
}
function parseMemberExpressionRest(expression) {
while (true) {
var dotToken = parseOptionalToken(21);
if (dotToken) {
var propertyAccess = createNode(172, expression.pos);
propertyAccess.expression = expression;
propertyAccess.name = parseRightSideOfDot(true);
expression = finishNode(propertyAccess);
continue;
}
if (token() === 49 && !scanner.hasPrecedingLineBreak()) {
nextToken();
var nonNullExpression = createNode(196, expression.pos);
nonNullExpression.expression = expression;
expression = finishNode(nonNullExpression);
continue;
}
if (!inDecoratorContext() && parseOptional(19)) {
var indexedAccess = createNode(173, expression.pos);
indexedAccess.expression = expression;
if (token() !== 20) {
indexedAccess.argumentExpression = allowInAnd(parseExpression);
if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) {
var literal = indexedAccess.argumentExpression;
literal.text = internIdentifier(literal.text);
}
}
parseExpected(20);
expression = finishNode(indexedAccess);
continue;
}
if (token() === 11 || token() === 12) {
var tagExpression = createNode(176, expression.pos);
tagExpression.tag = expression;
tagExpression.template = token() === 11
? parseLiteralNode()
: parseTemplateExpression();
expression = finishNode(tagExpression);
continue;
}
return expression;
}
}
function parseCallExpressionRest(expression) {
while (true) {
expression = parseMemberExpressionRest(expression);
if (token() === 25) {
var typeArguments = tryParse(parseTypeArgumentsInExpression);
if (!typeArguments) {
return expression;
}
var callExpr = createNode(174, expression.pos);
callExpr.expression = expression;
callExpr.typeArguments = typeArguments;
callExpr.arguments = parseArgumentList();
expression = finishNode(callExpr);
continue;
}
else if (token() === 17) {
var callExpr = createNode(174, expression.pos);
callExpr.expression = expression;
callExpr.arguments = parseArgumentList();
expression = finishNode(callExpr);
continue;
}
return expression;
}
}
function parseArgumentList() {
parseExpected(17);
var result = parseDelimitedList(11, parseArgumentExpression);
parseExpected(18);
return result;
}
function parseTypeArgumentsInExpression() {
if (!parseOptional(25)) {
return undefined;
}
var typeArguments = parseDelimitedList(18, parseType);
if (!parseExpected(27)) {
return undefined;
}
return typeArguments && canFollowTypeArgumentsInExpression()
? typeArguments
: undefined;
}
function canFollowTypeArgumentsInExpression() {
switch (token()) {
case 17:
case 21:
case 18:
case 20:
case 54:
case 23:
case 53:
case 30:
case 32:
case 31:
case 33:
case 51:
case 52:
case 48:
case 46:
case 47:
case 16:
case 1:
return true;
case 24:
case 15:
default:
return false;
}
}
function parsePrimaryExpression() {
switch (token()) {
case 8:
case 9:
case 11:
return parseLiteralNode();
case 97:
case 95:
case 93:
case 99:
case 84:
return parseTokenNode();
case 17:
return parseParenthesizedExpression();
case 19:
return parseArrayLiteralExpression();
case 15:
return parseObjectLiteralExpression();
case 118:
if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) {
break;
}
return parseFunctionExpression();
case 73:
return parseClassExpression();
case 87:
return parseFunctionExpression();
case 92:
return parseNewExpression();
case 39:
case 61:
if (reScanSlashToken() === 10) {
return parseLiteralNode();
}
break;
case 12:
return parseTemplateExpression();
}
return parseIdentifier(ts.Diagnostics.Expression_expected);
}
function parseParenthesizedExpression() {
var node = createNode(178);
parseExpected(17);
node.expression = allowInAnd(parseExpression);
parseExpected(18);
return finishNode(node);
}
function parseSpreadElement() {
var node = createNode(191);
parseExpected(22);
node.expression = parseAssignmentExpressionOrHigher();
return finishNode(node);
}
function parseArgumentOrArrayLiteralElement() {
return token() === 22 ? parseSpreadElement() :
token() === 24 ? createNode(193) :
parseAssignmentExpressionOrHigher();
}
function parseArgumentExpression() {
return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement);
}
function parseArrayLiteralExpression() {
var node = createNode(170);
parseExpected(19);
if (scanner.hasPrecedingLineBreak()) {
node.multiLine = true;
}
node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement);
parseExpected(20);
return finishNode(node);
}
function tryParseAccessorDeclaration(fullStart, decorators, modifiers) {
if (parseContextualModifier(123)) {
return addJSDocComment(parseAccessorDeclaration(149, fullStart, decorators, modifiers));
}
else if (parseContextualModifier(131)) {
return parseAccessorDeclaration(150, fullStart, decorators, modifiers);
}
return undefined;
}
function parseObjectLiteralElement() {
var fullStart = scanner.getStartPos();
var decorators = parseDecorators();
var modifiers = parseModifiers();
var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers);
if (accessor) {
return accessor;
}
var asteriskToken = parseOptionalToken(37);
var tokenIsIdentifier = isIdentifier();
var propertyName = parsePropertyName();
var questionToken = parseOptionalToken(53);
if (asteriskToken || token() === 17 || token() === 25) {
return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken);
}
var isShorthandPropertyAssignment = tokenIsIdentifier && (token() === 24 || token() === 16 || token() === 56);
if (isShorthandPropertyAssignment) {
var shorthandDeclaration = createNode(254, fullStart);
shorthandDeclaration.name = propertyName;
shorthandDeclaration.questionToken = questionToken;
var equalsToken = parseOptionalToken(56);
if (equalsToken) {
shorthandDeclaration.equalsToken = equalsToken;
shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher);
}
return addJSDocComment(finishNode(shorthandDeclaration));
}
else {
var propertyAssignment = createNode(253, fullStart);
propertyAssignment.modifiers = modifiers;
propertyAssignment.name = propertyName;
propertyAssignment.questionToken = questionToken;
parseExpected(54);
propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher);
return addJSDocComment(finishNode(propertyAssignment));
}
}
function parseObjectLiteralExpression() {
var node = createNode(171);
parseExpected(15);
if (scanner.hasPrecedingLineBreak()) {
node.multiLine = true;
}
node.properties = parseDelimitedList(12, parseObjectLiteralElement, true);
parseExpected(16);
return finishNode(node);
}
function parseFunctionExpression() {
var saveDecoratorContext = inDecoratorContext();
if (saveDecoratorContext) {
setDecoratorContext(false);
}
var node = createNode(179);
setModifiers(node, parseModifiers());
parseExpected(87);
node.asteriskToken = parseOptionalToken(37);
var isGenerator = !!node.asteriskToken;
var isAsync = !!(node.flags & 256);
node.name =
isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) :
isGenerator ? doInYieldContext(parseOptionalIdentifier) :
isAsync ? doInAwaitContext(parseOptionalIdentifier) :
parseOptionalIdentifier();
fillSignature(54, isGenerator, isAsync, false, node);
node.body = parseFunctionBlock(isGenerator, isAsync, false);
if (saveDecoratorContext) {
setDecoratorContext(true);
}
return addJSDocComment(finishNode(node));
}
function parseOptionalIdentifier() {
return isIdentifier() ? parseIdentifier() : undefined;
}
function parseNewExpression() {
var node = createNode(175);
parseExpected(92);
node.expression = parseMemberExpressionOrHigher();
node.typeArguments = tryParse(parseTypeArgumentsInExpression);
if (node.typeArguments || token() === 17) {
node.arguments = parseArgumentList();
}
return finishNode(node);
}
function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) {
var node = createNode(199);
if (parseExpected(15, diagnosticMessage) || ignoreMissingOpenBrace) {
node.statements = parseList(1, parseStatement);
parseExpected(16);
}
else {
node.statements = createMissingList();
}
return finishNode(node);
}
function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) {
var savedYieldContext = inYieldContext();
setYieldContext(allowYield);
var savedAwaitContext = inAwaitContext();
setAwaitContext(allowAwait);
var saveDecoratorContext = inDecoratorContext();
if (saveDecoratorContext) {
setDecoratorContext(false);
}
var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage);
if (saveDecoratorContext) {
setDecoratorContext(true);
}
setYieldContext(savedYieldContext);
setAwaitContext(savedAwaitContext);
return block;
}
function parseEmptyStatement() {
var node = createNode(201);
parseExpected(23);
return finishNode(node);
}
function parseIfStatement() {
var node = createNode(203);
parseExpected(88);
parseExpected(17);
node.expression = allowInAnd(parseExpression);
parseExpected(18);
node.thenStatement = parseStatement();
node.elseStatement = parseOptional(80) ? parseStatement() : undefined;
return finishNode(node);
}
function parseDoStatement() {
var node = createNode(204);
parseExpected(79);
node.statement = parseStatement();
parseExpected(104);
parseExpected(17);
node.expression = allowInAnd(parseExpression);
parseExpected(18);
parseOptional(23);
return finishNode(node);
}
function parseWhileStatement() {
var node = createNode(205);
parseExpected(104);
parseExpected(17);
node.expression = allowInAnd(parseExpression);
parseExpected(18);
node.statement = parseStatement();
return finishNode(node);
}
function parseForOrForInOrForOfStatement() {
var pos = getNodePos();
parseExpected(86);
parseExpected(17);
var initializer = undefined;
if (token() !== 23) {
if (token() === 102 || token() === 108 || token() === 74) {
initializer = parseVariableDeclarationList(true);
}
else {
initializer = disallowInAnd(parseExpression);
}
}
var forOrForInOrForOfStatement;
if (parseOptional(90)) {
var forInStatement = createNode(207, pos);
forInStatement.initializer = initializer;
forInStatement.expression = allowInAnd(parseExpression);
parseExpected(18);
forOrForInOrForOfStatement = forInStatement;
}
else if (parseOptional(138)) {
var forOfStatement = createNode(208, pos);
forOfStatement.initializer = initializer;
forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher);
parseExpected(18);
forOrForInOrForOfStatement = forOfStatement;
}
else {
var forStatement = createNode(206, pos);
forStatement.initializer = initializer;
parseExpected(23);
if (token() !== 23 && token() !== 18) {
forStatement.condition = allowInAnd(parseExpression);
}
parseExpected(23);
if (token() !== 18) {
forStatement.incrementor = allowInAnd(parseExpression);
}
parseExpected(18);
forOrForInOrForOfStatement = forStatement;
}
forOrForInOrForOfStatement.statement = parseStatement();
return finishNode(forOrForInOrForOfStatement);
}
function parseBreakOrContinueStatement(kind) {
var node = createNode(kind);
parseExpected(kind === 210 ? 70 : 75);
if (!canParseSemicolon()) {
node.label = parseIdentifier();
}
parseSemicolon();
return finishNode(node);
}
function parseReturnStatement() {
var node = createNode(211);
parseExpected(94);
if (!canParseSemicolon()) {
node.expression = allowInAnd(parseExpression);
}
parseSemicolon();
return finishNode(node);
}
function parseWithStatement() {
var node = createNode(212);
parseExpected(105);
parseExpected(17);
node.expression = allowInAnd(parseExpression);
parseExpected(18);
node.statement = parseStatement();
return finishNode(node);
}
function parseCaseClause() {
var node = createNode(249);
parseExpected(71);
node.expression = allowInAnd(parseExpression);
parseExpected(54);
node.statements = parseList(3, parseStatement);
return finishNode(node);
}
function parseDefaultClause() {
var node = createNode(250);
parseExpected(77);
parseExpected(54);
node.statements = parseList(3, parseStatement);
return finishNode(node);
}
function parseCaseOrDefaultClause() {
return token() === 71 ? parseCaseClause() : parseDefaultClause();
}
function parseSwitchStatement() {
var node = createNode(213);
parseExpected(96);
parseExpected(17);
node.expression = allowInAnd(parseExpression);
parseExpected(18);
var caseBlock = createNode(227, scanner.getStartPos());
parseExpected(15);
caseBlock.clauses = parseList(2, parseCaseOrDefaultClause);
parseExpected(16);
node.caseBlock = finishNode(caseBlock);
return finishNode(node);
}
function parseThrowStatement() {
var node = createNode(215);
parseExpected(98);
node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression);
parseSemicolon();
return finishNode(node);
}
function parseTryStatement() {
var node = createNode(216);
parseExpected(100);
node.tryBlock = parseBlock(false);
node.catchClause = token() === 72 ? parseCatchClause() : undefined;
if (!node.catchClause || token() === 85) {
parseExpected(85);
node.finallyBlock = parseBlock(false);
}
return finishNode(node);
}
function parseCatchClause() {
var result = createNode(252);
parseExpected(72);
if (parseExpected(17)) {
result.variableDeclaration = parseVariableDeclaration();
}
parseExpected(18);
result.block = parseBlock(false);
return finishNode(result);
}
function parseDebuggerStatement() {
var node = createNode(217);
parseExpected(76);
parseSemicolon();
return finishNode(node);
}
function parseExpressionOrLabeledStatement() {
var fullStart = scanner.getStartPos();
var expression = allowInAnd(parseExpression);
if (expression.kind === 69 && parseOptional(54)) {
var labeledStatement = createNode(214, fullStart);
labeledStatement.label = expression;
labeledStatement.statement = parseStatement();
return addJSDocComment(finishNode(labeledStatement));
}
else {
var expressionStatement = createNode(202, fullStart);
expressionStatement.expression = expression;
parseSemicolon();
return addJSDocComment(finishNode(expressionStatement));
}
}
function nextTokenIsIdentifierOrKeywordOnSameLine() {
nextToken();
return ts.tokenIsIdentifierOrKeyword(token()) && !scanner.hasPrecedingLineBreak();
}
function nextTokenIsFunctionKeywordOnSameLine() {
nextToken();
return token() === 87 && !scanner.hasPrecedingLineBreak();
}
function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() {
nextToken();
return (ts.tokenIsIdentifierOrKeyword(token()) || token() === 8) && !scanner.hasPrecedingLineBreak();
}
function isDeclaration() {
while (true) {
switch (token()) {
case 102:
case 108:
case 74:
case 87:
case 73:
case 81:
return true;
case 107:
case 134:
return nextTokenIsIdentifierOnSameLine();
case 125:
case 126:
return nextTokenIsIdentifierOrStringLiteralOnSameLine();
case 115:
case 118:
case 122:
case 110:
case 111:
case 112:
case 128:
nextToken();
if (scanner.hasPrecedingLineBreak()) {
return false;
}
continue;
case 137:
nextToken();
return token() === 15 || token() === 69 || token() === 82;
case 89:
nextToken();
return token() === 9 || token() === 37 ||
token() === 15 || ts.tokenIsIdentifierOrKeyword(token());
case 82:
nextToken();
if (token() === 56 || token() === 37 ||
token() === 15 || token() === 77 ||
token() === 116) {
return true;
}
continue;
case 113:
nextToken();
continue;
default:
return false;
}
}
}
function isStartOfDeclaration() {
return lookAhead(isDeclaration);
}
function isStartOfStatement() {
switch (token()) {
case 55:
case 23:
case 15:
case 102:
case 108:
case 87:
case 73:
case 81:
case 88:
case 79:
case 104:
case 86:
case 75:
case 70:
case 94:
case 105:
case 96:
case 98:
case 100:
case 76:
case 72:
case 85:
return true;
case 74:
case 82:
case 89:
return isStartOfDeclaration();
case 118:
case 122:
case 107:
case 125:
case 126:
case 134:
case 137:
return true;
case 112:
case 110:
case 111:
case 113:
case 128:
return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine);
default:
return isStartOfExpression();
}
}
function nextTokenIsIdentifierOrStartOfDestructuring() {
nextToken();
return isIdentifier() || token() === 15 || token() === 19;
}
function isLetDeclaration() {
return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring);
}
function parseStatement() {
switch (token()) {
case 23:
return parseEmptyStatement();
case 15:
return parseBlock(false);
case 102:
return parseVariableStatement(scanner.getStartPos(), undefined, undefined);
case 108:
if (isLetDeclaration()) {
return parseVariableStatement(scanner.getStartPos(), undefined, undefined);
}
break;
case 87:
return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined);
case 73:
return parseClassDeclaration(scanner.getStartPos(), undefined, undefined);
case 88:
return parseIfStatement();
case 79:
return parseDoStatement();
case 104:
return parseWhileStatement();
case 86:
return parseForOrForInOrForOfStatement();
case 75:
return parseBreakOrContinueStatement(209);
case 70:
return parseBreakOrContinueStatement(210);
case 94:
return parseReturnStatement();
case 105:
return parseWithStatement();
case 96:
return parseSwitchStatement();
case 98:
return parseThrowStatement();
case 100:
case 72:
case 85:
return parseTryStatement();
case 76:
return parseDebuggerStatement();
case 55:
return parseDeclaration();
case 118:
case 107:
case 134:
case 125:
case 126:
case 122:
case 74:
case 81:
case 82:
case 89:
case 110:
case 111:
case 112:
case 115:
case 113:
case 128:
case 137:
if (isStartOfDeclaration()) {
return parseDeclaration();
}
break;
}
return parseExpressionOrLabeledStatement();
}
function parseDeclaration() {
var fullStart = getNodePos();
var decorators = parseDecorators();
var modifiers = parseModifiers();
switch (token()) {
case 102:
case 108:
case 74:
return parseVariableStatement(fullStart, decorators, modifiers);
case 87:
return parseFunctionDeclaration(fullStart, decorators, modifiers);
case 73:
return parseClassDeclaration(fullStart, decorators, modifiers);
case 107:
return parseInterfaceDeclaration(fullStart, decorators, modifiers);
case 134:
return parseTypeAliasDeclaration(fullStart, decorators, modifiers);
case 81:
return parseEnumDeclaration(fullStart, decorators, modifiers);
case 137:
case 125:
case 126:
return parseModuleDeclaration(fullStart, decorators, modifiers);
case 89:
return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers);
case 82:
nextToken();
switch (token()) {
case 77:
case 56:
return parseExportAssignment(fullStart, decorators, modifiers);
case 116:
return parseNamespaceExportDeclaration(fullStart, decorators, modifiers);
default:
return parseExportDeclaration(fullStart, decorators, modifiers);
}
default:
if (decorators || modifiers) {
var node = createMissingNode(239, true, ts.Diagnostics.Declaration_expected);
node.pos = fullStart;
node.decorators = decorators;
setModifiers(node, modifiers);
return finishNode(node);
}
}
}
function nextTokenIsIdentifierOrStringLiteralOnSameLine() {
nextToken();
return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token() === 9);
}
function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) {
if (token() !== 15 && canParseSemicolon()) {
parseSemicolon();
return;
}
return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage);
}
function parseArrayBindingElement() {
if (token() === 24) {
return createNode(193);
}
var node = createNode(169);
node.dotDotDotToken = parseOptionalToken(22);
node.name = parseIdentifierOrPattern();
node.initializer = parseBindingElementInitializer(false);
return finishNode(node);
}
function parseObjectBindingElement() {
var node = createNode(169);
var tokenIsIdentifier = isIdentifier();
var propertyName = parsePropertyName();
if (tokenIsIdentifier && token() !== 54) {
node.name = propertyName;
}
else {
parseExpected(54);
node.propertyName = propertyName;
node.name = parseIdentifierOrPattern();
}
node.initializer = parseBindingElementInitializer(false);
return finishNode(node);
}
function parseObjectBindingPattern() {
var node = createNode(167);
parseExpected(15);
node.elements = parseDelimitedList(9, parseObjectBindingElement);
parseExpected(16);
return finishNode(node);
}
function parseArrayBindingPattern() {
var node = createNode(168);
parseExpected(19);
node.elements = parseDelimitedList(10, parseArrayBindingElement);
parseExpected(20);
return finishNode(node);
}
function isIdentifierOrPattern() {
return token() === 15 || token() === 19 || isIdentifier();
}
function parseIdentifierOrPattern() {
if (token() === 19) {
return parseArrayBindingPattern();
}
if (token() === 15) {
return parseObjectBindingPattern();
}
return parseIdentifier();
}
function parseVariableDeclaration() {
var node = createNode(218);
node.name = parseIdentifierOrPattern();
node.type = parseTypeAnnotation();
if (!isInOrOfKeyword(token())) {
node.initializer = parseInitializer(false);
}
return finishNode(node);
}
function parseVariableDeclarationList(inForStatementInitializer) {
var node = createNode(219);
switch (token()) {
case 102:
break;
case 108:
node.flags |= 1024;
break;
case 74:
node.flags |= 2048;
break;
default:
ts.Debug.fail();
}
nextToken();
if (token() === 138 && lookAhead(canFollowContextualOfKeyword)) {
node.declarations = createMissingList();
}
else {
var savedDisallowIn = inDisallowInContext();
setDisallowInContext(inForStatementInitializer);
node.declarations = parseDelimitedList(8, parseVariableDeclaration);
setDisallowInContext(savedDisallowIn);
}
return finishNode(node);
}
function canFollowContextualOfKeyword() {
return nextTokenIsIdentifier() && nextToken() === 18;
}
function parseVariableStatement(fullStart, decorators, modifiers) {
var node = createNode(200, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
node.declarationList = parseVariableDeclarationList(false);
parseSemicolon();
return addJSDocComment(finishNode(node));
}
function parseFunctionDeclaration(fullStart, decorators, modifiers) {
var node = createNode(220, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(87);
node.asteriskToken = parseOptionalToken(37);
node.name = node.flags & 512 ? parseOptionalIdentifier() : parseIdentifier();
var isGenerator = !!node.asteriskToken;
var isAsync = !!(node.flags & 256);
fillSignature(54, isGenerator, isAsync, false, node);
node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected);
return addJSDocComment(finishNode(node));
}
function parseConstructorDeclaration(pos, decorators, modifiers) {
var node = createNode(148, pos);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(121);
fillSignature(54, false, false, false, node);
node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected);
return addJSDocComment(finishNode(node));
}
function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) {
var method = createNode(147, fullStart);
method.decorators = decorators;
setModifiers(method, modifiers);
method.asteriskToken = asteriskToken;
method.name = name;
method.questionToken = questionToken;
var isGenerator = !!asteriskToken;
var isAsync = !!(method.flags & 256);
fillSignature(54, isGenerator, isAsync, false, method);
method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage);
return addJSDocComment(finishNode(method));
}
function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) {
var property = createNode(145, fullStart);
property.decorators = decorators;
setModifiers(property, modifiers);
property.name = name;
property.questionToken = questionToken;
property.type = parseTypeAnnotation();
property.initializer = modifiers && modifiers.flags & 32
? allowInAnd(parseNonParameterInitializer)
: doOutsideOfContext(8388608 | 4194304, parseNonParameterInitializer);
parseSemicolon();
return finishNode(property);
}
function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) {
var asteriskToken = parseOptionalToken(37);
var name = parsePropertyName();
var questionToken = parseOptionalToken(53);
if (asteriskToken || token() === 17 || token() === 25) {
return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected);
}
else {
return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken);
}
}
function parseNonParameterInitializer() {
return parseInitializer(false);
}
function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) {
var node = createNode(kind, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
node.name = parsePropertyName();
fillSignature(54, false, false, false, node);
node.body = parseFunctionBlockOrSemicolon(false, false);
return finishNode(node);
}
function isClassMemberModifier(idToken) {
switch (idToken) {
case 112:
case 110:
case 111:
case 113:
case 128:
return true;
default:
return false;
}
}
function isClassMemberStart() {
var idToken;
if (token() === 55) {
return true;
}
while (ts.isModifierKind(token())) {
idToken = token();
if (isClassMemberModifier(idToken)) {
return true;
}
nextToken();
}
if (token() === 37) {
return true;
}
if (isLiteralPropertyName()) {
idToken = token();
nextToken();
}
if (token() === 19) {
return true;
}
if (idToken !== undefined) {
if (!ts.isKeyword(idToken) || idToken === 131 || idToken === 123) {
return true;
}
switch (token()) {
case 17:
case 25:
case 54:
case 56:
case 53:
return true;
default:
return canParseSemicolon();
}
}
return false;
}
function parseDecorators() {
var decorators;
while (true) {
var decoratorStart = getNodePos();
if (!parseOptional(55)) {
break;
}
if (!decorators) {
decorators = [];
decorators.pos = decoratorStart;
}
var decorator = createNode(143, decoratorStart);
decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher);
decorators.push(finishNode(decorator));
}
if (decorators) {
decorators.end = getNodeEnd();
}
return decorators;
}
function parseModifiers(permitInvalidConstAsModifier) {
var flags = 0;
var modifiers;
while (true) {
var modifierStart = scanner.getStartPos();
var modifierKind = token();
if (token() === 74 && permitInvalidConstAsModifier) {
if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) {
break;
}
}
else {
if (!parseAnyContextualModifier()) {
break;
}
}
if (!modifiers) {
modifiers = [];
modifiers.pos = modifierStart;
}
flags |= ts.modifierToFlag(modifierKind);
modifiers.push(finishNode(createNode(modifierKind, modifierStart)));
}
if (modifiers) {
modifiers.flags = flags;
modifiers.end = scanner.getStartPos();
}
return modifiers;
}
function parseModifiersForArrowFunction() {
var flags = 0;
var modifiers;
if (token() === 118) {
var modifierStart = scanner.getStartPos();
var modifierKind = token();
nextToken();
modifiers = [];
modifiers.pos = modifierStart;
flags |= ts.modifierToFlag(modifierKind);
modifiers.push(finishNode(createNode(modifierKind, modifierStart)));
modifiers.flags = flags;
modifiers.end = scanner.getStartPos();
}
return modifiers;
}
function parseClassElement() {
if (token() === 23) {
var result = createNode(198);
nextToken();
return finishNode(result);
}
var fullStart = getNodePos();
var decorators = parseDecorators();
var modifiers = parseModifiers(true);
var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers);
if (accessor) {
return accessor;
}
if (token() === 121) {
return parseConstructorDeclaration(fullStart, decorators, modifiers);
}
if (isIndexSignature()) {
return parseIndexSignatureDeclaration(fullStart, decorators, modifiers);
}
if (ts.tokenIsIdentifierOrKeyword(token()) ||
token() === 9 ||
token() === 8 ||
token() === 37 ||
token() === 19) {
return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers);
}
if (decorators || modifiers) {
var name_7 = createMissingNode(69, true, ts.Diagnostics.Declaration_expected);
return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, undefined);
}
ts.Debug.fail("Should not have attempted to parse class member declaration.");
}
function parseClassExpression() {
return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 192);
}
function parseClassDeclaration(fullStart, decorators, modifiers) {
return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 221);
}
function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) {
var node = createNode(kind, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(73);
node.name = parseNameOfClassDeclarationOrExpression();
node.typeParameters = parseTypeParameters();
node.heritageClauses = parseHeritageClauses(true);
if (parseExpected(15)) {
node.members = parseClassMembers();
parseExpected(16);
}
else {
node.members = createMissingList();
}
return finishNode(node);
}
function parseNameOfClassDeclarationOrExpression() {
return isIdentifier() && !isImplementsClause()
? parseIdentifier()
: undefined;
}
function isImplementsClause() {
return token() === 106 && lookAhead(nextTokenIsIdentifierOrKeyword);
}
function parseHeritageClauses(isClassHeritageClause) {
if (isHeritageClause()) {
return parseList(20, parseHeritageClause);
}
return undefined;
}
function parseHeritageClause() {
if (token() === 83 || token() === 106) {
var node = createNode(251);
node.token = token();
nextToken();
node.types = parseDelimitedList(7, parseExpressionWithTypeArguments);
return finishNode(node);
}
return undefined;
}
function parseExpressionWithTypeArguments() {
var node = createNode(194);
node.expression = parseLeftHandSideExpressionOrHigher();
if (token() === 25) {
node.typeArguments = parseBracketedList(18, parseType, 25, 27);
}
return finishNode(node);
}
function isHeritageClause() {
return token() === 83 || token() === 106;
}
function parseClassMembers() {
return parseList(5, parseClassElement);
}
function parseInterfaceDeclaration(fullStart, decorators, modifiers) {
var node = createNode(222, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(107);
node.name = parseIdentifier();
node.typeParameters = parseTypeParameters();
node.heritageClauses = parseHeritageClauses(false);
node.members = parseObjectTypeMembers();
return finishNode(node);
}
function parseTypeAliasDeclaration(fullStart, decorators, modifiers) {
var node = createNode(223, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(134);
node.name = parseIdentifier();
node.typeParameters = parseTypeParameters();
parseExpected(56);
node.type = parseType();
parseSemicolon();
return finishNode(node);
}
function parseEnumMember() {
var node = createNode(255, scanner.getStartPos());
node.name = parsePropertyName();
node.initializer = allowInAnd(parseNonParameterInitializer);
return finishNode(node);
}
function parseEnumDeclaration(fullStart, decorators, modifiers) {
var node = createNode(224, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
parseExpected(81);
node.name = parseIdentifier();
if (parseExpected(15)) {
node.members = parseDelimitedList(6, parseEnumMember);
parseExpected(16);
}
else {
node.members = createMissingList();
}
return finishNode(node);
}
function parseModuleBlock() {
var node = createNode(226, scanner.getStartPos());
if (parseExpected(15)) {
node.statements = parseList(1, parseStatement);
parseExpected(16);
}
else {
node.statements = createMissingList();
}
return finishNode(node);
}
function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) {
var node = createNode(225, fullStart);
var namespaceFlag = flags & 4096;
node.decorators = decorators;
setModifiers(node, modifiers);
node.flags |= flags;
node.name = parseIdentifier();
node.body = parseOptional(21)
? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 1 | namespaceFlag)
: parseModuleBlock();
return finishNode(node);
}
function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) {
var node = createNode(225, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
if (token() === 137) {
node.name = parseIdentifier();
node.flags |= 131072;
}
else {
node.name = parseLiteralNode(true);
}
if (token() === 15) {
node.body = parseModuleBlock();
}
else {
parseSemicolon();
}
return finishNode(node);
}
function parseModuleDeclaration(fullStart, decorators, modifiers) {
var flags = modifiers ? modifiers.flags : 0;
if (token() === 137) {
return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers);
}
else if (parseOptional(126)) {
flags |= 4096;
}
else {
parseExpected(125);
if (token() === 9) {
return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers);
}
}
return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags);
}
function isExternalModuleReference() {
return token() === 129 &&
lookAhead(nextTokenIsOpenParen);
}
function nextTokenIsOpenParen() {
return nextToken() === 17;
}
function nextTokenIsSlash() {
return nextToken() === 39;
}
function parseNamespaceExportDeclaration(fullStart, decorators, modifiers) {
var exportDeclaration = createNode(228, fullStart);
exportDeclaration.decorators = decorators;
exportDeclaration.modifiers = modifiers;
parseExpected(116);
parseExpected(126);
exportDeclaration.name = parseIdentifier();
parseExpected(23);
return finishNode(exportDeclaration);
}
function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) {
parseExpected(89);
var afterImportPos = scanner.getStartPos();
var identifier;
if (isIdentifier()) {
identifier = parseIdentifier();
if (token() !== 24 && token() !== 136) {
var importEqualsDeclaration = createNode(229, fullStart);
importEqualsDeclaration.decorators = decorators;
setModifiers(importEqualsDeclaration, modifiers);
importEqualsDeclaration.name = identifier;
parseExpected(56);
importEqualsDeclaration.moduleReference = parseModuleReference();
parseSemicolon();
return finishNode(importEqualsDeclaration);
}
}
var importDeclaration = createNode(230, fullStart);
importDeclaration.decorators = decorators;
setModifiers(importDeclaration, modifiers);
if (identifier ||
token() === 37 ||
token() === 15) {
importDeclaration.importClause = parseImportClause(identifier, afterImportPos);
parseExpected(136);
}
importDeclaration.moduleSpecifier = parseModuleSpecifier();
parseSemicolon();
return finishNode(importDeclaration);
}
function parseImportClause(identifier, fullStart) {
var importClause = createNode(231, fullStart);
if (identifier) {
importClause.name = identifier;
}
if (!importClause.name ||
parseOptional(24)) {
importClause.namedBindings = token() === 37 ? parseNamespaceImport() : parseNamedImportsOrExports(233);
}
return finishNode(importClause);
}
function parseModuleReference() {
return isExternalModuleReference()
? parseExternalModuleReference()
: parseEntityName(false);
}
function parseExternalModuleReference() {
var node = createNode(240);
parseExpected(129);
parseExpected(17);
node.expression = parseModuleSpecifier();
parseExpected(18);
return finishNode(node);
}
function parseModuleSpecifier() {
if (token() === 9) {
var result = parseLiteralNode();
internIdentifier(result.text);
return result;
}
else {
return parseExpression();
}
}
function parseNamespaceImport() {
var namespaceImport = createNode(232);
parseExpected(37);
parseExpected(116);
namespaceImport.name = parseIdentifier();
return finishNode(namespaceImport);
}
function parseNamedImportsOrExports(kind) {
var node = createNode(kind);
node.elements = parseBracketedList(21, kind === 233 ? parseImportSpecifier : parseExportSpecifier, 15, 16);
return finishNode(node);
}
function parseExportSpecifier() {
return parseImportOrExportSpecifier(238);
}
function parseImportSpecifier() {
return parseImportOrExportSpecifier(234);
}
function parseImportOrExportSpecifier(kind) {
var node = createNode(kind);
var checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier();
var checkIdentifierStart = scanner.getTokenPos();
var checkIdentifierEnd = scanner.getTextPos();
var identifierName = parseIdentifierName();
if (token() === 116) {
node.propertyName = identifierName;
parseExpected(116);
checkIdentifierIsKeyword = ts.isKeyword(token()) && !isIdentifier();
checkIdentifierStart = scanner.getTokenPos();
checkIdentifierEnd = scanner.getTextPos();
node.name = parseIdentifierName();
}
else {
node.name = identifierName;
}
if (kind === 234 && checkIdentifierIsKeyword) {
parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected);
}
return finishNode(node);
}
function parseExportDeclaration(fullStart, decorators, modifiers) {
var node = createNode(236, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
if (parseOptional(37)) {
parseExpected(136);
node.moduleSpecifier = parseModuleSpecifier();
}
else {
node.exportClause = parseNamedImportsOrExports(237);
if (token() === 136 || (token() === 9 && !scanner.hasPrecedingLineBreak())) {
parseExpected(136);
node.moduleSpecifier = parseModuleSpecifier();
}
}
parseSemicolon();
return finishNode(node);
}
function parseExportAssignment(fullStart, decorators, modifiers) {
var node = createNode(235, fullStart);
node.decorators = decorators;
setModifiers(node, modifiers);
if (parseOptional(56)) {
node.isExportEquals = true;
}
else {
parseExpected(77);
}
node.expression = parseAssignmentExpressionOrHigher();
parseSemicolon();
return finishNode(node);
}
function processReferenceComments(sourceFile) {
var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText);
var referencedFiles = [];
var typeReferenceDirectives = [];
var amdDependencies = [];
var amdModuleName;
while (true) {
var kind = triviaScanner.scan();
if (kind !== 2) {
if (ts.isTrivia(kind)) {
continue;
}
else {
break;
}
}
var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() };
var comment = sourceText.substring(range.pos, range.end);
var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range);
if (referencePathMatchResult) {
var fileReference = referencePathMatchResult.fileReference;
sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib;
var diagnosticMessage = referencePathMatchResult.diagnosticMessage;
if (fileReference) {
if (referencePathMatchResult.isTypeReferenceDirective) {
typeReferenceDirectives.push(fileReference);
}
else {
referencedFiles.push(fileReference);
}
}
if (diagnosticMessage) {
parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage));
}
}
else {
var amdModuleNameRegEx = /^\/\/\/\s*<amd-module\s+name\s*=\s*('|")(.+?)\1/gim;
var amdModuleNameMatchResult = amdModuleNameRegEx.exec(comment);
if (amdModuleNameMatchResult) {
if (amdModuleName) {
parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, ts.Diagnostics.An_AMD_module_cannot_have_multiple_name_assignments));
}
amdModuleName = amdModuleNameMatchResult[2];
}
var amdDependencyRegEx = /^\/\/\/\s*<amd-dependency\s/gim;
var pathRegex = /\spath\s*=\s*('|")(.+?)\1/gim;
var nameRegex = /\sname\s*=\s*('|")(.+?)\1/gim;
var amdDependencyMatchResult = amdDependencyRegEx.exec(comment);
if (amdDependencyMatchResult) {
var pathMatchResult = pathRegex.exec(comment);
var nameMatchResult = nameRegex.exec(comment);
if (pathMatchResult) {
var amdDependency = { path: pathMatchResult[2], name: nameMatchResult ? nameMatchResult[2] : undefined };
amdDependencies.push(amdDependency);
}
}
}
}
sourceFile.referencedFiles = referencedFiles;
sourceFile.typeReferenceDirectives = typeReferenceDirectives;
sourceFile.amdDependencies = amdDependencies;
sourceFile.moduleName = amdModuleName;
}
function setExternalModuleIndicator(sourceFile) {
sourceFile.externalModuleIndicator = ts.forEach(sourceFile.statements, function (node) {
return node.flags & 1
|| node.kind === 229 && node.moduleReference.kind === 240
|| node.kind === 230
|| node.kind === 235
|| node.kind === 236
? node
: undefined;
});
}
var JSDocParser;
(function (JSDocParser) {
function isJSDocType() {
switch (token()) {
case 37:
case 53:
case 17:
case 19:
case 49:
case 15:
case 87:
case 22:
case 92:
case 97:
return true;
}
return ts.tokenIsIdentifierOrKeyword(token());
}
JSDocParser.isJSDocType = isJSDocType;
function parseJSDocTypeExpressionForTests(content, start, length) {
initializeState("file.js", content, 2, undefined, 1);
scanner.setText(content, start, length);
currentToken = scanner.scan();
var jsDocTypeExpression = parseJSDocTypeExpression();
var diagnostics = parseDiagnostics;
clearState();
return jsDocTypeExpression ? { jsDocTypeExpression: jsDocTypeExpression, diagnostics: diagnostics } : undefined;
}
JSDocParser.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests;
function parseJSDocTypeExpression() {
var result = createNode(257, scanner.getTokenPos());
parseExpected(15);
result.type = parseJSDocTopLevelType();
parseExpected(16);
fixupParentReferences(result);
return finishNode(result);
}
JSDocParser.parseJSDocTypeExpression = parseJSDocTypeExpression;
function parseJSDocTopLevelType() {
var type = parseJSDocType();
if (token() === 47) {
var unionType = createNode(261, type.pos);
unionType.types = parseJSDocTypeList(type);
type = finishNode(unionType);
}
if (token() === 56) {
var optionalType = createNode(268, type.pos);
nextToken();
optionalType.type = type;
type = finishNode(optionalType);
}
return type;
}
function parseJSDocType() {
var type = parseBasicTypeExpression();
while (true) {
if (token() === 19) {
var arrayType = createNode(260, type.pos);
arrayType.elementType = type;
nextToken();
parseExpected(20);
type = finishNode(arrayType);
}
else if (token() === 53) {
var nullableType = createNode(263, type.pos);
nullableType.type = type;
nextToken();
type = finishNode(nullableType);
}
else if (token() === 49) {
var nonNullableType = createNode(264, type.pos);
nonNullableType.type = type;
nextToken();
type = finishNode(nonNullableType);
}
else {
break;
}
}
return type;
}
function parseBasicTypeExpression() {
switch (token()) {
case 37:
return parseJSDocAllType();
case 53:
return parseJSDocUnknownOrNullableType();
case 17:
return parseJSDocUnionType();
case 19:
return parseJSDocTupleType();
case 49:
return parseJSDocNonNullableType();
case 15:
return parseJSDocRecordType();
case 87:
return parseJSDocFunctionType();
case 22:
return parseJSDocVariadicType();
case 92:
return parseJSDocConstructorType();
case 97:
return parseJSDocThisType();
case 117:
case 132:
case 130:
case 120:
case 133:
case 103:
case 93:
case 135:
case 127:
return parseTokenNode();
case 9:
case 8:
case 99:
case 84:
return parseJSDocLiteralType();
}
return parseJSDocTypeReference();
}
function parseJSDocThisType() {
var result = createNode(272);
nextToken();
parseExpected(54);
result.type = parseJSDocType();
return finishNode(result);
}
function parseJSDocConstructorType() {
var result = createNode(271);
nextToken();
parseExpected(54);
result.type = parseJSDocType();
return finishNode(result);
}
function parseJSDocVariadicType() {
var result = createNode(270);
nextToken();
result.type = parseJSDocType();
return finishNode(result);
}
function parseJSDocFunctionType() {
var result = createNode(269);
nextToken();
parseExpected(17);
result.parameters = parseDelimitedList(22, parseJSDocParameter);
checkForTrailingComma(result.parameters);
parseExpected(18);
if (token() === 54) {
nextToken();
result.type = parseJSDocType();
}
return finishNode(result);
}
function parseJSDocParameter() {
var parameter = createNode(142);
parameter.type = parseJSDocType();
if (parseOptional(56)) {
parameter.questionToken = createNode(56);
}
return finishNode(parameter);
}
function parseJSDocTypeReference() {
var result = createNode(267);
result.name = parseSimplePropertyName();
if (token() === 25) {
result.typeArguments = parseTypeArguments();
}
else {
while (parseOptional(21)) {
if (token() === 25) {
result.typeArguments = parseTypeArguments();
break;
}
else {
result.name = parseQualifiedName(result.name);
}
}
}
return finishNode(result);
}
function parseTypeArguments() {
nextToken();
var typeArguments = parseDelimitedList(23, parseJSDocType);
checkForTrailingComma(typeArguments);
checkForEmptyTypeArgumentList(typeArguments);
parseExpected(27);
return typeArguments;
}
function checkForEmptyTypeArgumentList(typeArguments) {
if (parseDiagnostics.length === 0 && typeArguments && typeArguments.length === 0) {
var start = typeArguments.pos - "<".length;
var end = ts.skipTrivia(sourceText, typeArguments.end) + ">".length;
return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty);
}
}
function parseQualifiedName(left) {
var result = createNode(139, left.pos);
result.left = left;
result.right = parseIdentifierName();
return finishNode(result);
}
function parseJSDocRecordType() {
var result = createNode(265);
nextToken();
result.members = parseDelimitedList(24, parseJSDocRecordMember);
checkForTrailingComma(result.members);
parseExpected(16);
return finishNode(result);
}
function parseJSDocRecordMember() {
var result = createNode(266);
result.name = parseSimplePropertyName();
if (token() === 54) {
nextToken();
result.type = parseJSDocType();
}
return finishNode(result);
}
function parseJSDocNonNullableType() {
var result = createNode(264);
nextToken();
result.type = parseJSDocType();
return finishNode(result);
}
function parseJSDocTupleType() {
var result = createNode(262);
nextToken();
result.types = parseDelimitedList(25, parseJSDocType);
checkForTrailingComma(result.types);
parseExpected(20);
return finishNode(result);
}
function checkForTrailingComma(list) {
if (parseDiagnostics.length === 0 && list.hasTrailingComma) {
var start = list.end - ",".length;
parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed);
}
}
function parseJSDocUnionType() {
var result = createNode(261);
nextToken();
result.types = parseJSDocTypeList(parseJSDocType());
parseExpected(18);
return finishNode(result);
}
function parseJSDocTypeList(firstType) {
ts.Debug.assert(!!firstType);
var types = [];
types.pos = firstType.pos;
types.push(firstType);
while (parseOptional(47)) {
types.push(parseJSDocType());
}
types.end = scanner.getStartPos();
return types;
}
function parseJSDocAllType() {
var result = createNode(258);
nextToken();
return finishNode(result);
}
function parseJSDocLiteralType() {
var result = createNode(282);
result.literal = parseLiteralTypeNode();
return finishNode(result);
}
function parseJSDocUnknownOrNullableType() {
var pos = scanner.getStartPos();
nextToken();
if (token() === 24 ||
token() === 16 ||
token() === 18 ||
token() === 27 ||
token() === 56 ||
token() === 47) {
var result = createNode(259, pos);
return finishNode(result);
}
else {
var result = createNode(263, pos);
result.type = parseJSDocType();
return finishNode(result);
}
}
function parseIsolatedJSDocComment(content, start, length) {
initializeState("file.js", content, 2, undefined, 1);
sourceFile = { languageVariant: 0, text: content };
var jsDocComment = parseJSDocCommentWorker(start, length);
var diagnostics = parseDiagnostics;
clearState();
return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined;
}
JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment;
function parseJSDocComment(parent, start, length) {
var saveToken = currentToken;
var saveParseDiagnosticsLength = parseDiagnostics.length;
var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode;
var comment = parseJSDocCommentWorker(start, length);
if (comment) {
comment.parent = parent;
}
currentToken = saveToken;
parseDiagnostics.length = saveParseDiagnosticsLength;
parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode;
return comment;
}
JSDocParser.parseJSDocComment = parseJSDocComment;
function parseJSDocCommentWorker(start, length) {
var content = sourceText;
start = start || 0;
var end = length === undefined ? content.length : start + length;
length = end - start;
ts.Debug.assert(start >= 0);
ts.Debug.assert(start <= end);
ts.Debug.assert(end <= content.length);
var tags;
var result;
if (content.charCodeAt(start) === 47 &&
content.charCodeAt(start + 1) === 42 &&
content.charCodeAt(start + 2) === 42 &&
content.charCodeAt(start + 3) !== 42) {
scanner.scanRange(start + 3, length - 5, function () {
var canParseTag = true;
var seenAsterisk = true;
nextJSDocToken();
while (token() !== 1) {
switch (token()) {
case 55:
if (canParseTag) {
parseTag();
}
seenAsterisk = false;
break;
case 4:
canParseTag = true;
seenAsterisk = false;
break;
case 37:
if (seenAsterisk) {
canParseTag = false;
}
seenAsterisk = true;
break;
case 69:
canParseTag = false;
break;
case 1:
break;
}
nextJSDocToken();
}
result = createJSDocComment();
});
}
return result;
function createJSDocComment() {
if (!tags) {
return undefined;
}
var result = createNode(273, start);
result.tags = tags;
return finishNode(result, end);
}
function skipWhitespace() {
while (token() === 5 || token() === 4) {
nextJSDocToken();
}
}
function parseTag() {
ts.Debug.assert(token() === 55);
var atToken = createNode(55, scanner.getTokenPos());
atToken.end = scanner.getTextPos();
nextJSDocToken();
var tagName = parseJSDocIdentifierName();
if (!tagName) {
return;
}
var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName);
addTag(tag);
}
function handleTag(atToken, tagName) {
if (tagName) {
switch (tagName.text) {
case "param":
return handleParamTag(atToken, tagName);
case "return":
case "returns":
return handleReturnTag(atToken, tagName);
case "template":
return handleTemplateTag(atToken, tagName);
case "type":
return handleTypeTag(atToken, tagName);
case "typedef":
return handleTypedefTag(atToken, tagName);
}
}
return undefined;
}
function handleUnknownTag(atToken, tagName) {
var result = createNode(274, atToken.pos);
result.atToken = atToken;
result.tagName = tagName;
return finishNode(result);
}
function addTag(tag) {
if (tag) {
if (!tags) {
tags = [];
tags.pos = tag.pos;
}
tags.push(tag);
tags.end = tag.end;
}
}
function tryParseTypeExpression() {
if (token() !== 15) {
return undefined;
}
var typeExpression = parseJSDocTypeExpression();
return typeExpression;
}
function handleParamTag(atToken, tagName) {
var typeExpression = tryParseTypeExpression();
skipWhitespace();
var name;
var isBracketed;
if (parseOptionalToken(19)) {
name = parseJSDocIdentifierName();
isBracketed = true;
if (parseOptionalToken(56)) {
parseExpression();
}
parseExpected(20);
}
else if (ts.tokenIsIdentifierOrKeyword(token())) {
name = parseJSDocIdentifierName();
}
if (!name) {
parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected);
return undefined;
}
var preName, postName;
if (typeExpression) {
postName = name;
}
else {
preName = name;
}
if (!typeExpression) {
typeExpression = tryParseTypeExpression();
}
var result = createNode(275, atToken.pos);
result.atToken = atToken;
result.tagName = tagName;
result.preParameterName = preName;
result.typeExpression = typeExpression;
result.postParameterName = postName;
result.isBracketed = isBracketed;
return finishNode(result);
}
function handleReturnTag(atToken, tagName) {
if (ts.forEach(tags, function (t) { return t.kind === 276; })) {
parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text);
}
var result = createNode(276, atToken.pos);
result.atToken = atToken;
result.tagName = tagName;
result.typeExpression = tryParseTypeExpression();
return finishNode(result);
}
function handleTypeTag(atToken, tagName) {
if (ts.forEach(tags, function (t) { return t.kind === 277; })) {
parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text);
}
var result = createNode(277, atToken.pos);
result.atToken = atToken;
result.tagName = tagName;
result.typeExpression = tryParseTypeExpression();
return finishNode(result);
}
function handlePropertyTag(atToken, tagName) {
var typeExpression = tryParseTypeExpression();
skipWhitespace();
var name = parseJSDocIdentifierName();
if (!name) {
parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected);
return undefined;
}
var result = createNode(280, atToken.pos);
result.atToken = atToken;
result.tagName = tagName;
result.name = name;
result.typeExpression = typeExpression;
return finishNode(result);
}
function handleTypedefTag(atToken, tagName) {
var typeExpression = tryParseTypeExpression();
skipWhitespace();
var typedefTag = createNode(279, atToken.pos);
typedefTag.atToken = atToken;
typedefTag.tagName = tagName;
typedefTag.name = parseJSDocIdentifierName();
typedefTag.typeExpression = typeExpression;
if (typeExpression) {
if (typeExpression.type.kind === 267) {
var jsDocTypeReference = typeExpression.type;
if (jsDocTypeReference.name.kind === 69) {
var name_8 = jsDocTypeReference.name;
if (name_8.text === "Object") {
typedefTag.jsDocTypeLiteral = scanChildTags();
}
}
}
if (!typedefTag.jsDocTypeLiteral) {
typedefTag.jsDocTypeLiteral = typeExpression.type;
}
}
else {
typedefTag.jsDocTypeLiteral = scanChildTags();
}
return finishNode(typedefTag);
function scanChildTags() {
var jsDocTypeLiteral = createNode(281, scanner.getStartPos());
var resumePos = scanner.getStartPos();
var canParseTag = true;
var seenAsterisk = false;
var parentTagTerminated = false;
while (token() !== 1 && !parentTagTerminated) {
nextJSDocToken();
switch (token()) {
case 55:
if (canParseTag) {
parentTagTerminated = !tryParseChildTag(jsDocTypeLiteral);
if (!parentTagTerminated) {
resumePos = scanner.getStartPos();
}
}
seenAsterisk = false;
break;
case 4:
resumePos = scanner.getStartPos() - 1;
canParseTag = true;
seenAsterisk = false;
break;
case 37:
if (seenAsterisk) {
canParseTag = false;
}
seenAsterisk = true;
break;
case 69:
canParseTag = false;
case 1:
break;
}
}
scanner.setTextPos(resumePos);
return finishNode(jsDocTypeLiteral);
}
}
function tryParseChildTag(parentTag) {
ts.Debug.assert(token() === 55);
var atToken = createNode(55, scanner.getStartPos());
atToken.end = scanner.getTextPos();
nextJSDocToken();
var tagName = parseJSDocIdentifierName();
if (!tagName) {
return false;
}
switch (tagName.text) {
case "type":
if (parentTag.jsDocTypeTag) {
return false;
}
parentTag.jsDocTypeTag = handleTypeTag(atToken, tagName);
return true;
case "prop":
case "property":
if (!parentTag.jsDocPropertyTags) {
parentTag.jsDocPropertyTags = [];
}
var propertyTag = handlePropertyTag(atToken, tagName);
parentTag.jsDocPropertyTags.push(propertyTag);
return true;
}
return false;
}
function handleTemplateTag(atToken, tagName) {
if (ts.forEach(tags, function (t) { return t.kind === 278; })) {
parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text);
}
var typeParameters = [];
typeParameters.pos = scanner.getStartPos();
while (true) {
var name_9 = parseJSDocIdentifierName();
if (!name_9) {
parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected);
return undefined;
}
var typeParameter = createNode(141, name_9.pos);
typeParameter.name = name_9;
finishNode(typeParameter);
typeParameters.push(typeParameter);
if (token() === 24) {
nextJSDocToken();
}
else {
break;
}
}
var result = createNode(278, atToken.pos);
result.atToken = atToken;
result.tagName = tagName;
result.typeParameters = typeParameters;
finishNode(result);
typeParameters.end = result.end;
return result;
}
function nextJSDocToken() {
return currentToken = scanner.scanJSDocToken();
}
function parseJSDocIdentifierName() {
return createJSDocIdentifier(ts.tokenIsIdentifierOrKeyword(token()));
}
function createJSDocIdentifier(isIdentifier) {
if (!isIdentifier) {
parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected);
return undefined;
}
var pos = scanner.getTokenPos();
var end = scanner.getTextPos();
var result = createNode(69, pos);
result.text = content.substring(pos, end);
finishNode(result, end);
nextJSDocToken();
return result;
}
}
JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker;
})(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {}));
})(Parser || (Parser = {}));
var IncrementalParser;
(function (IncrementalParser) {
function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) {
aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2);
checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks);
if (ts.textChangeRangeIsUnchanged(textChangeRange)) {
return sourceFile;
}
if (sourceFile.statements.length === 0) {
return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true, sourceFile.scriptKind);
}
var incrementalSourceFile = sourceFile;
ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed);
incrementalSourceFile.hasBeenIncrementallyParsed = true;
var oldText = sourceFile.text;
var syntaxCursor = createSyntaxCursor(sourceFile);
var changeRange = extendToAffectedRange(sourceFile, textChangeRange);
checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks);
ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start);
ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span));
ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)));
var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length;
updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks);
var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true, sourceFile.scriptKind);
return result;
}
IncrementalParser.updateSourceFile = updateSourceFile;
function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) {
if (isArray) {
visitArray(element);
}
else {
visitNode(element);
}
return;
function visitNode(node) {
var text = "";
if (aggressiveChecks && shouldCheckNode(node)) {
text = oldText.substring(node.pos, node.end);
}
if (node._children) {
node._children = undefined;
}
node.pos += delta;
node.end += delta;
if (aggressiveChecks && shouldCheckNode(node)) {
ts.Debug.assert(text === newText.substring(node.pos, node.end));
}
forEachChild(node, visitNode, visitArray);
if (node.jsDocComments) {
for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) {
var jsDocComment = _a[_i];
forEachChild(jsDocComment, visitNode, visitArray);
}
}
checkNodePositions(node, aggressiveChecks);
}
function visitArray(array) {
array._children = undefined;
array.pos += delta;
array.end += delta;
for (var _i = 0, array_9 = array; _i < array_9.length; _i++) {
var node = array_9[_i];
visitNode(node);
}
}
}
function shouldCheckNode(node) {
switch (node.kind) {
case 9:
case 8:
case 69:
return true;
}
return false;
}
function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) {
ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range");
ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range");
ts.Debug.assert(element.pos <= element.end);
element.pos = Math.min(element.pos, changeRangeNewEnd);
if (element.end >= changeRangeOldEnd) {
element.end += delta;
}
else {
element.end = Math.min(element.end, changeRangeNewEnd);
}
ts.Debug.assert(element.pos <= element.end);
if (element.parent) {
ts.Debug.assert(element.pos >= element.parent.pos);
ts.Debug.assert(element.end <= element.parent.end);
}
}
function checkNodePositions(node, aggressiveChecks) {
if (aggressiveChecks) {
var pos_2 = node.pos;
forEachChild(node, function (child) {
ts.Debug.assert(child.pos >= pos_2);
pos_2 = child.end;
});
ts.Debug.assert(pos_2 <= node.end);
}
}
function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) {
visitNode(sourceFile);
return;
function visitNode(child) {
ts.Debug.assert(child.pos <= child.end);
if (child.pos > changeRangeOldEnd) {
moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks);
return;
}
var fullEnd = child.end;
if (fullEnd >= changeStart) {
child.intersectsChange = true;
child._children = undefined;
adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta);
forEachChild(child, visitNode, visitArray);
checkNodePositions(child, aggressiveChecks);
return;
}
ts.Debug.assert(fullEnd < changeStart);
}
function visitArray(array) {
ts.Debug.assert(array.pos <= array.end);
if (array.pos > changeRangeOldEnd) {
moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks);
return;
}
var fullEnd = array.end;
if (fullEnd >= changeStart) {
array.intersectsChange = true;
array._children = undefined;
adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta);
for (var _i = 0, array_10 = array; _i < array_10.length; _i++) {
var node = array_10[_i];
visitNode(node);
}
return;
}
ts.Debug.assert(fullEnd < changeStart);
}
}
function extendToAffectedRange(sourceFile, changeRange) {
var maxLookahead = 1;
var start = changeRange.span.start;
for (var i = 0; start > 0 && i <= maxLookahead; i++) {
var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start);
ts.Debug.assert(nearestNode.pos <= start);
var position = nearestNode.pos;
start = Math.max(0, position - 1);
}
var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span));
var finalLength = changeRange.newLength + (changeRange.span.start - start);
return ts.createTextChangeRange(finalSpan, finalLength);
}
function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) {
var bestResult = sourceFile;
var lastNodeEntirelyBeforePosition;
forEachChild(sourceFile, visit);
if (lastNodeEntirelyBeforePosition) {
var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition);
if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) {
bestResult = lastChildOfLastEntireNodeBeforePosition;
}
}
return bestResult;
function getLastChild(node) {
while (true) {
var lastChild = getLastChildWorker(node);
if (lastChild) {
node = lastChild;
}
else {
return node;
}
}
}
function getLastChildWorker(node) {
var last = undefined;
forEachChild(node, function (child) {
if (ts.nodeIsPresent(child)) {
last = child;
}
});
return last;
}
function visit(child) {
if (ts.nodeIsMissing(child)) {
return;
}
if (child.pos <= position) {
if (child.pos >= bestResult.pos) {
bestResult = child;
}
if (position < child.end) {
forEachChild(child, visit);
return true;
}
else {
ts.Debug.assert(child.end <= position);
lastNodeEntirelyBeforePosition = child;
}
}
else {
ts.Debug.assert(child.pos > position);
return true;
}
}
}
function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) {
var oldText = sourceFile.text;
if (textChangeRange) {
ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length);
if (aggressiveChecks || ts.Debug.shouldAssert(3)) {
var oldTextPrefix = oldText.substr(0, textChangeRange.span.start);
var newTextPrefix = newText.substr(0, textChangeRange.span.start);
ts.Debug.assert(oldTextPrefix === newTextPrefix);
var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length);
var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length);
ts.Debug.assert(oldTextSuffix === newTextSuffix);
}
}
}
function createSyntaxCursor(sourceFile) {
var currentArray = sourceFile.statements;
var currentArrayIndex = 0;
ts.Debug.assert(currentArrayIndex < currentArray.length);
var current = currentArray[currentArrayIndex];
var lastQueriedPosition = -1;
return {
currentNode: function (position) {
if (position !== lastQueriedPosition) {
if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) {
currentArrayIndex++;
current = currentArray[currentArrayIndex];
}
if (!current || current.pos !== position) {
findHighestListElementThatStartsAtPosition(position);
}
}
lastQueriedPosition = position;
ts.Debug.assert(!current || current.pos === position);
return current;
}
};
function findHighestListElementThatStartsAtPosition(position) {
currentArray = undefined;
currentArrayIndex = -1;
current = undefined;
forEachChild(sourceFile, visitNode, visitArray);
return;
function visitNode(node) {
if (position >= node.pos && position < node.end) {
forEachChild(node, visitNode, visitArray);
return true;
}
return false;
}
function visitArray(array) {
if (position >= array.pos && position < array.end) {
for (var i = 0, n = array.length; i < n; i++) {
var child = array[i];
if (child) {
if (child.pos === position) {
currentArray = array;
currentArrayIndex = i;
current = child;
return true;
}
else {
if (child.pos < position && position < child.end) {
forEachChild(child, visitNode, visitArray);
return true;
}
}
}
}
}
return false;
}
}
}
})(IncrementalParser || (IncrementalParser = {}));
})(ts || (ts = {}));
var ts;
(function (ts) {
function tryReadTypesSection(packageJsonPath, baseDirectory, state) {
var jsonContent = ts.readJson(packageJsonPath, state.host);
function tryReadFromField(fieldName) {
if (ts.hasProperty(jsonContent, fieldName)) {
var typesFile = jsonContent[fieldName];
if (typeof typesFile === "string") {
var typesFilePath_1 = ts.normalizePath(ts.combinePaths(baseDirectory, typesFile));
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.package_json_has_0_field_1_that_references_2, fieldName, typesFile, typesFilePath_1);
}
return typesFilePath_1;
}
else {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Expected_type_of_0_field_in_package_json_to_be_string_got_1, fieldName, typeof typesFile);
}
}
}
}
var typesFilePath = tryReadFromField("typings") || tryReadFromField("types");
if (typesFilePath) {
return typesFilePath;
}
if (state.compilerOptions.allowJs && jsonContent.main && typeof jsonContent.main === "string") {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.No_types_specified_in_package_json_but_allowJs_is_set_so_returning_main_value_of_0, jsonContent.main);
}
var mainFilePath = ts.normalizePath(ts.combinePaths(baseDirectory, jsonContent.main));
return mainFilePath;
}
return undefined;
}
function tryFile(fileName, failedLookupLocation, onlyRecordFailures, state) {
if (!onlyRecordFailures && state.host.fileExists(fileName)) {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.File_0_exist_use_it_as_a_name_resolution_result, fileName);
}
return fileName;
}
else {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.File_0_does_not_exist, fileName);
}
failedLookupLocation.push(fileName);
return undefined;
}
}
function tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) {
if (!onlyRecordFailures) {
var directory = ts.getDirectoryPath(candidate);
if (directory) {
onlyRecordFailures = !directoryProbablyExists(directory, state.host);
}
}
return ts.forEach(extensions, function (ext) {
return !(state.skipTsx && ts.isJsxOrTsxExtension(ext)) && tryFile(candidate + ext, failedLookupLocation, onlyRecordFailures, state);
});
}
function loadModuleFromFile(candidate, extensions, failedLookupLocation, onlyRecordFailures, state) {
var resolvedByAddingExtension = tryAddingExtensions(candidate, extensions, failedLookupLocation, onlyRecordFailures, state);
if (resolvedByAddingExtension) {
return resolvedByAddingExtension;
}
if (ts.hasJavaScriptFileExtension(candidate)) {
var extensionless = ts.removeFileExtension(candidate);
if (state.traceEnabled) {
var extension = candidate.substring(extensionless.length);
ts.trace(state.host, ts.Diagnostics.File_name_0_has_a_1_extension_stripping_it, candidate, extension);
}
return tryAddingExtensions(extensionless, extensions, failedLookupLocation, onlyRecordFailures, state);
}
}
function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, state) {
var packageJsonPath = pathToPackageJson(candidate);
var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, state.host);
if (directoryExists && state.host.fileExists(packageJsonPath)) {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Found_package_json_at_0, packageJsonPath);
}
var typesFile = tryReadTypesSection(packageJsonPath, candidate, state);
if (typesFile) {
var onlyRecordFailures_1 = !directoryProbablyExists(ts.getDirectoryPath(typesFile), state.host);
var result = tryFile(typesFile, failedLookupLocation, onlyRecordFailures_1, state) ||
tryAddingExtensions(typesFile, extensions, failedLookupLocation, onlyRecordFailures_1, state);
if (result) {
return result;
}
}
else {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.package_json_does_not_have_types_field);
}
}
}
else {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.File_0_does_not_exist, packageJsonPath);
}
failedLookupLocation.push(packageJsonPath);
}
return loadModuleFromFile(ts.combinePaths(candidate, "index"), extensions, failedLookupLocation, !directoryExists, state);
}
ts.loadNodeModuleFromDirectory = loadNodeModuleFromDirectory;
function loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state) {
var nodeModulesFolder = ts.combinePaths(directory, "node_modules");
var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, state.host);
var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName));
var supportedExtensions = ts.getSupportedExtensions(state.compilerOptions);
var result = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, !nodeModulesFolderExists, state);
if (result) {
return result;
}
result = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, state);
if (result) {
return result;
}
}
function loadModuleFromNodeModules(moduleName, directory, failedLookupLocations, state, checkOneLevel) {
directory = ts.normalizeSlashes(directory);
while (true) {
var baseName = ts.getBaseFileName(directory);
if (baseName !== "node_modules") {
var packageResult = loadModuleFromNodeModulesFolder(moduleName, directory, failedLookupLocations, state);
if (packageResult && ts.hasTypeScriptFileExtension(packageResult)) {
return packageResult;
}
else {
var typesResult = loadModuleFromNodeModulesFolder(ts.combinePaths("@types", moduleName), directory, failedLookupLocations, state);
if (typesResult || packageResult) {
return typesResult || packageResult;
}
}
}
var parentPath = ts.getDirectoryPath(directory);
if (parentPath === directory || checkOneLevel) {
break;
}
directory = parentPath;
}
return undefined;
}
ts.loadModuleFromNodeModules = loadModuleFromNodeModules;
function moduleHasNonRelativeName(moduleName) {
return !(ts.isRootedDiskPath(moduleName) || ts.isExternalModuleNameRelative(moduleName));
}
function classicNameResolver(moduleName, containingFile, compilerOptions, host) {
var traceEnabled = ts.isTraceEnabled(compilerOptions, host);
var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: !compilerOptions.jsx };
var failedLookupLocations = [];
var supportedExtensions = ts.getSupportedExtensions(compilerOptions);
var containingDirectory = ts.getDirectoryPath(containingFile);
var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loadModuleFromFile, failedLookupLocations, supportedExtensions, state);
if (resolvedFileName) {
return ts.createResolvedModule(resolvedFileName, false, failedLookupLocations);
}
var referencedSourceFile;
if (moduleHasNonRelativeName(moduleName)) {
while (true) {
var searchName = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
referencedSourceFile = loadModuleFromFile(searchName, supportedExtensions, failedLookupLocations, false, state);
if (referencedSourceFile) {
break;
}
var parentPath = ts.getDirectoryPath(containingDirectory);
if (parentPath === containingDirectory) {
break;
}
containingDirectory = parentPath;
}
}
else {
var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
referencedSourceFile = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, false, state);
}
return referencedSourceFile
? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations }
: { resolvedModule: undefined, failedLookupLocations: failedLookupLocations };
}
ts.classicNameResolver = classicNameResolver;
function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) {
var containingDirectory = ts.getDirectoryPath(containingFile);
var supportedExtensions = ts.getSupportedExtensions(compilerOptions);
var traceEnabled = ts.isTraceEnabled(compilerOptions, host);
var failedLookupLocations = [];
var state = { compilerOptions: compilerOptions, host: host, traceEnabled: traceEnabled, skipTsx: false };
var resolvedFileName = tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, nodeLoadModuleByRelativeName, failedLookupLocations, supportedExtensions, state);
var isExternalLibraryImport = false;
if (!resolvedFileName) {
if (moduleHasNonRelativeName(moduleName)) {
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Loading_module_0_from_node_modules_folder, moduleName);
}
resolvedFileName = loadModuleFromNodeModules(moduleName, containingDirectory, failedLookupLocations, state, false);
isExternalLibraryImport = resolvedFileName !== undefined;
}
else {
var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
resolvedFileName = nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, false, state);
}
}
if (resolvedFileName && host.realpath) {
var originalFileName = resolvedFileName;
resolvedFileName = ts.normalizePath(host.realpath(resolvedFileName));
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Resolving_real_path_for_0_result_1, originalFileName, resolvedFileName);
}
}
return ts.createResolvedModule(resolvedFileName, isExternalLibraryImport, failedLookupLocations);
}
ts.nodeModuleNameResolver = nodeModuleNameResolver;
function nodeLoadModuleByRelativeName(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state) {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Loading_module_as_file_Slash_folder_candidate_module_location_0, candidate);
}
var resolvedFileName = loadModuleFromFile(candidate, supportedExtensions, failedLookupLocations, onlyRecordFailures, state);
return resolvedFileName || loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, onlyRecordFailures, state);
}
function tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) {
if (!state.compilerOptions.rootDirs) {
return undefined;
}
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.rootDirs_option_is_set_using_it_to_resolve_relative_module_name_0, moduleName);
}
var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName));
var matchedRootDir;
var matchedNormalizedPrefix;
for (var _i = 0, _a = state.compilerOptions.rootDirs; _i < _a.length; _i++) {
var rootDir = _a[_i];
var normalizedRoot = ts.normalizePath(rootDir);
if (!ts.endsWith(normalizedRoot, ts.directorySeparator)) {
normalizedRoot += ts.directorySeparator;
}
var isLongestMatchingPrefix = ts.startsWith(candidate, normalizedRoot) &&
(matchedNormalizedPrefix === undefined || matchedNormalizedPrefix.length < normalizedRoot.length);
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Checking_if_0_is_the_longest_matching_prefix_for_1_2, normalizedRoot, candidate, isLongestMatchingPrefix);
}
if (isLongestMatchingPrefix) {
matchedNormalizedPrefix = normalizedRoot;
matchedRootDir = rootDir;
}
}
if (matchedNormalizedPrefix) {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Longest_matching_prefix_for_0_is_1, candidate, matchedNormalizedPrefix);
}
var suffix = candidate.substr(matchedNormalizedPrefix.length);
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, matchedNormalizedPrefix, candidate);
}
var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(containingDirectory, state.host), state);
if (resolvedFileName) {
return resolvedFileName;
}
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Trying_other_entries_in_rootDirs);
}
for (var _b = 0, _c = state.compilerOptions.rootDirs; _b < _c.length; _b++) {
var rootDir = _c[_b];
if (rootDir === matchedRootDir) {
continue;
}
var candidate_1 = ts.combinePaths(ts.normalizePath(rootDir), suffix);
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Loading_0_from_the_root_dir_1_candidate_location_2, suffix, rootDir, candidate_1);
}
var baseDirectory = ts.getDirectoryPath(candidate_1);
var resolvedFileName_1 = loader(candidate_1, supportedExtensions, failedLookupLocations, !directoryProbablyExists(baseDirectory, state.host), state);
if (resolvedFileName_1) {
return resolvedFileName_1;
}
}
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Module_resolution_using_rootDirs_has_failed);
}
}
return undefined;
}
function tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state) {
if (!state.compilerOptions.baseUrl) {
return undefined;
}
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.baseUrl_option_is_set_to_0_using_this_value_to_resolve_non_relative_module_name_1, state.compilerOptions.baseUrl, moduleName);
}
var matchedPattern = undefined;
if (state.compilerOptions.paths) {
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.paths_option_is_specified_looking_for_a_pattern_to_match_module_name_0, moduleName);
}
matchedPattern = matchPatternOrExact(ts.getOwnKeys(state.compilerOptions.paths), moduleName);
}
if (matchedPattern) {
var matchedStar = typeof matchedPattern === "string" ? undefined : matchedText(matchedPattern, moduleName);
var matchedPatternText = typeof matchedPattern === "string" ? matchedPattern : patternText(matchedPattern);
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Module_name_0_matched_pattern_1, moduleName, matchedPatternText);
}
for (var _i = 0, _a = state.compilerOptions.paths[matchedPatternText]; _i < _a.length; _i++) {
var subst = _a[_i];
var path = matchedStar ? subst.replace("*", matchedStar) : subst;
var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, path));
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Trying_substitution_0_candidate_module_location_Colon_1, subst, path);
}
var resolvedFileName = loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state);
if (resolvedFileName) {
return resolvedFileName;
}
}
return undefined;
}
else {
var candidate = ts.normalizePath(ts.combinePaths(state.compilerOptions.baseUrl, moduleName));
if (state.traceEnabled) {
ts.trace(state.host, ts.Diagnostics.Resolving_module_name_0_relative_to_base_url_1_2, moduleName, state.compilerOptions.baseUrl, candidate);
}
return loader(candidate, supportedExtensions, failedLookupLocations, !directoryProbablyExists(ts.getDirectoryPath(candidate), state.host), state);
}
}
function tryLoadModuleUsingOptionalResolutionSettings(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state) {
if (moduleHasNonRelativeName(moduleName)) {
return tryLoadModuleUsingBaseUrl(moduleName, loader, failedLookupLocations, supportedExtensions, state);
}
else {
return tryLoadModuleUsingRootDirs(moduleName, containingDirectory, loader, failedLookupLocations, supportedExtensions, state);
}
}
function resolveModuleName(moduleName, containingFile, compilerOptions, host) {
var traceEnabled = ts.isTraceEnabled(compilerOptions, host);
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Resolving_module_0_from_1, moduleName, containingFile);
}
var moduleResolution = compilerOptions.moduleResolution;
if (moduleResolution === undefined) {
moduleResolution = ts.getEmitModuleKind(compilerOptions) === ts.ModuleKind.CommonJS ? ts.ModuleResolutionKind.NodeJs : ts.ModuleResolutionKind.Classic;
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Module_resolution_kind_is_not_specified_using_0, ts.ModuleResolutionKind[moduleResolution]);
}
}
else {
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Explicitly_specified_module_resolution_kind_Colon_0, ts.ModuleResolutionKind[moduleResolution]);
}
}
var result;
switch (moduleResolution) {
case ts.ModuleResolutionKind.NodeJs:
result = nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host);
break;
case ts.ModuleResolutionKind.Classic:
result = classicNameResolver(moduleName, containingFile, compilerOptions, host);
break;
}
if (traceEnabled) {
if (result.resolvedModule) {
ts.trace(host, ts.Diagnostics.Module_name_0_was_successfully_resolved_to_1, moduleName, result.resolvedModule.resolvedFileName);
}
else {
ts.trace(host, ts.Diagnostics.Module_name_0_was_not_resolved, moduleName);
}
}
return result;
}
ts.resolveModuleName = resolveModuleName;
function matchPatternOrExact(patternStrings, candidate) {
var patterns = [];
for (var _i = 0, patternStrings_1 = patternStrings; _i < patternStrings_1.length; _i++) {
var patternString = patternStrings_1[_i];
var pattern = tryParsePattern(patternString);
if (pattern) {
patterns.push(pattern);
}
else if (patternString === candidate) {
return patternString;
}
}
return findBestPatternMatch(patterns, function (_) { return _; }, candidate);
}
function patternText(_a) {
var prefix = _a.prefix, suffix = _a.suffix;
return prefix + "*" + suffix;
}
function matchedText(pattern, candidate) {
ts.Debug.assert(isPatternMatch(pattern, candidate));
return candidate.substr(pattern.prefix.length, candidate.length - pattern.suffix.length);
}
function findBestPatternMatch(values, getPattern, candidate) {
var matchedValue = undefined;
var longestMatchPrefixLength = -1;
for (var _i = 0, values_1 = values; _i < values_1.length; _i++) {
var v = values_1[_i];
var pattern = getPattern(v);
if (isPatternMatch(pattern, candidate) && pattern.prefix.length > longestMatchPrefixLength) {
longestMatchPrefixLength = pattern.prefix.length;
matchedValue = v;
}
}
return matchedValue;
}
ts.findBestPatternMatch = findBestPatternMatch;
function isPatternMatch(_a, candidate) {
var prefix = _a.prefix, suffix = _a.suffix;
return candidate.length >= prefix.length + suffix.length &&
ts.startsWith(candidate, prefix) &&
ts.endsWith(candidate, suffix);
}
function tryParsePattern(pattern) {
ts.Debug.assert(ts.hasZeroOrOneAsteriskCharacter(pattern));
var indexOfStar = pattern.indexOf("*");
return indexOfStar === -1 ? undefined : {
prefix: pattern.substr(0, indexOfStar),
suffix: pattern.substr(indexOfStar + 1)
};
}
ts.tryParsePattern = tryParsePattern;
function directoryProbablyExists(directoryName, host) {
return !host.directoryExists || host.directoryExists(directoryName);
}
ts.directoryProbablyExists = directoryProbablyExists;
function pathToPackageJson(directory) {
return ts.combinePaths(directory, "package.json");
}
ts.pathToPackageJson = pathToPackageJson;
})(ts || (ts = {}));
var ts;
(function (ts) {
function getModuleInstanceState(node) {
if (node.kind === 222 || node.kind === 223) {
return 0;
}
else if (ts.isConstEnumDeclaration(node)) {
return 2;
}
else if ((node.kind === 230 || node.kind === 229) && !(node.flags & 1)) {
return 0;
}
else if (node.kind === 226) {
var state_1 = 0;
ts.forEachChild(node, function (n) {
switch (getModuleInstanceState(n)) {
case 0:
return false;
case 2:
state_1 = 2;
return false;
case 1:
state_1 = 1;
return true;
}
});
return state_1;
}
else if (node.kind === 225) {
var body = node.body;
return body ? getModuleInstanceState(body) : 1;
}
else {
return 1;
}
}
ts.getModuleInstanceState = getModuleInstanceState;
var binder = createBinder();
function bindSourceFile(file, options) {
ts.performance.mark("beforeBind");
binder(file, options);
ts.performance.mark("afterBind");
ts.performance.measure("Bind", "beforeBind", "afterBind");
}
ts.bindSourceFile = bindSourceFile;
function createBinder() {
var file;
var options;
var languageVersion;
var parent;
var container;
var blockScopeContainer;
var lastContainer;
var seenThisKeyword;
var currentFlow;
var currentBreakTarget;
var currentContinueTarget;
var currentReturnTarget;
var currentTrueTarget;
var currentFalseTarget;
var preSwitchCaseFlow;
var activeLabels;
var hasExplicitReturn;
var emitFlags;
var inStrictMode;
var symbolCount = 0;
var Symbol;
var classifiableNames;
var unreachableFlow = { flags: 1 };
var reportedUnreachableFlow = { flags: 1 };
function bindSourceFile(f, opts) {
file = f;
options = opts;
languageVersion = ts.getEmitScriptTarget(options);
inStrictMode = !!file.externalModuleIndicator;
classifiableNames = ts.createMap();
symbolCount = 0;
Symbol = ts.objectAllocator.getSymbolConstructor();
if (!file.locals) {
bind(file);
file.symbolCount = symbolCount;
file.classifiableNames = classifiableNames;
}
file = undefined;
options = undefined;
languageVersion = undefined;
parent = undefined;
container = undefined;
blockScopeContainer = undefined;
lastContainer = undefined;
seenThisKeyword = false;
currentFlow = undefined;
currentBreakTarget = undefined;
currentContinueTarget = undefined;
currentReturnTarget = undefined;
currentTrueTarget = undefined;
currentFalseTarget = undefined;
activeLabels = undefined;
hasExplicitReturn = false;
emitFlags = 0;
}
return bindSourceFile;
function createSymbol(flags, name) {
symbolCount++;
return new Symbol(flags, name);
}
function addDeclarationToSymbol(symbol, node, symbolFlags) {
symbol.flags |= symbolFlags;
node.symbol = symbol;
if (!symbol.declarations) {
symbol.declarations = [];
}
symbol.declarations.push(node);
if (symbolFlags & 1952 && !symbol.exports) {
symbol.exports = ts.createMap();
}
if (symbolFlags & 6240 && !symbol.members) {
symbol.members = ts.createMap();
}
if (symbolFlags & 107455) {
var valueDeclaration = symbol.valueDeclaration;
if (!valueDeclaration ||
(valueDeclaration.kind !== node.kind && valueDeclaration.kind === 225)) {
symbol.valueDeclaration = node;
}
}
}
function getDeclarationName(node) {
if (node.name) {
if (ts.isAmbientModule(node)) {
return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\"";
}
if (node.name.kind === 140) {
var nameExpression = node.name.expression;
if (ts.isStringOrNumericLiteral(nameExpression.kind)) {
return nameExpression.text;
}
ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression));
return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text);
}
return node.name.text;
}
switch (node.kind) {
case 148:
return "__constructor";
case 156:
case 151:
return "__call";
case 157:
case 152:
return "__new";
case 153:
return "__index";
case 236:
return "__export";
case 235:
return node.isExportEquals ? "export=" : "default";
case 187:
switch (ts.getSpecialPropertyAssignmentKind(node)) {
case 2:
return "export=";
case 1:
case 4:
return node.left.name.text;
case 3:
return node.left.expression.name.text;
}
ts.Debug.fail("Unknown binary declaration kind");
break;
case 220:
case 221:
return node.flags & 512 ? "default" : undefined;
case 269:
return ts.isJSDocConstructSignature(node) ? "__new" : "__call";
case 142:
ts.Debug.assert(node.parent.kind === 269);
var functionType = node.parent;
var index = ts.indexOf(functionType.parameters, node);
return "p" + index;
case 279:
var parentNode = node.parent && node.parent.parent;
var nameFromParentNode = void 0;
if (parentNode && parentNode.kind === 200) {
if (parentNode.declarationList.declarations.length > 0) {
var nameIdentifier = parentNode.declarationList.declarations[0].name;
if (nameIdentifier.kind === 69) {
nameFromParentNode = nameIdentifier.text;
}
}
}
return nameFromParentNode;
}
}
function getDisplayName(node) {
return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node);
}
function declareSymbol(symbolTable, parent, node, includes, excludes) {
ts.Debug.assert(!ts.hasDynamicName(node));
var isDefaultExport = node.flags & 512;
var name = isDefaultExport && parent ? "default" : getDeclarationName(node);
var symbol;
if (name === undefined) {
symbol = createSymbol(0, "__missing");
}
else {
symbol = symbolTable[name] || (symbolTable[name] = createSymbol(0, name));
if (name && (includes & 788448)) {
classifiableNames[name] = name;
}
if (symbol.flags & excludes) {
if (symbol.isReplaceableByMethod) {
symbol = symbolTable[name] = createSymbol(0, name);
}
else {
if (node.name) {
node.name.parent = node;
}
var message_1 = symbol.flags & 2
? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0
: ts.Diagnostics.Duplicate_identifier_0;
ts.forEach(symbol.declarations, function (declaration) {
if (declaration.flags & 512) {
message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports;
}
});
ts.forEach(symbol.declarations, function (declaration) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration)));
});
file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node)));
symbol = createSymbol(0, name);
}
}
}
addDeclarationToSymbol(symbol, node, includes);
symbol.parent = parent;
return symbol;
}
function declareModuleMember(node, symbolFlags, symbolExcludes) {
var hasExportModifier = ts.getCombinedNodeFlags(node) & 1;
if (symbolFlags & 8388608) {
if (node.kind === 238 || (node.kind === 229 && hasExportModifier)) {
return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
}
else {
return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes);
}
}
else {
if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 8192)) {
var exportKind = (symbolFlags & 107455 ? 1048576 : 0) |
(symbolFlags & 793064 ? 2097152 : 0) |
(symbolFlags & 1920 ? 4194304 : 0);
var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes);
local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
node.localSymbol = local;
return local;
}
else {
return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes);
}
}
}
function bindContainer(node, containerFlags) {
var saveContainer = container;
var savedBlockScopeContainer = blockScopeContainer;
if (containerFlags & 1) {
container = blockScopeContainer = node;
if (containerFlags & 32) {
container.locals = ts.createMap();
}
addToContainerChain(container);
}
else if (containerFlags & 2) {
blockScopeContainer = node;
blockScopeContainer.locals = undefined;
}
if (containerFlags & 4) {
var saveCurrentFlow = currentFlow;
var saveBreakTarget = currentBreakTarget;
var saveContinueTarget = currentContinueTarget;
var saveReturnTarget = currentReturnTarget;
var saveActiveLabels = activeLabels;
var saveHasExplicitReturn = hasExplicitReturn;
var isIIFE = containerFlags & 16 && !!ts.getImmediatelyInvokedFunctionExpression(node);
if (isIIFE) {
currentReturnTarget = createBranchLabel();
}
else {
currentFlow = { flags: 2 };
if (containerFlags & 16) {
currentFlow.container = node;
}
currentReturnTarget = undefined;
}
currentBreakTarget = undefined;
currentContinueTarget = undefined;
activeLabels = undefined;
hasExplicitReturn = false;
bindChildren(node);
node.flags &= ~4030464;
if (!(currentFlow.flags & 1) && containerFlags & 8 && ts.nodeIsPresent(node.body)) {
node.flags |= 32768;
if (hasExplicitReturn)
node.flags |= 65536;
}
if (node.kind === 256) {
node.flags |= emitFlags;
}
if (isIIFE) {
addAntecedent(currentReturnTarget, currentFlow);
currentFlow = finishFlowLabel(currentReturnTarget);
}
else {
currentFlow = saveCurrentFlow;
}
currentBreakTarget = saveBreakTarget;
currentContinueTarget = saveContinueTarget;
currentReturnTarget = saveReturnTarget;
activeLabels = saveActiveLabels;
hasExplicitReturn = saveHasExplicitReturn;
}
else if (containerFlags & 64) {
seenThisKeyword = false;
bindChildren(node);
node.flags = seenThisKeyword ? node.flags | 16384 : node.flags & ~16384;
}
else {
bindChildren(node);
}
container = saveContainer;
blockScopeContainer = savedBlockScopeContainer;
}
function bindChildren(node) {
if (ts.isInJavaScriptFile(node) && node.jsDocComments) {
for (var _i = 0, _a = node.jsDocComments; _i < _a.length; _i++) {
var jsDocComment = _a[_i];
bind(jsDocComment);
}
}
if (checkUnreachable(node)) {
ts.forEachChild(node, bind);
return;
}
switch (node.kind) {
case 205:
bindWhileStatement(node);
break;
case 204:
bindDoStatement(node);
break;
case 206:
bindForStatement(node);
break;
case 207:
case 208:
bindForInOrForOfStatement(node);
break;
case 203:
bindIfStatement(node);
break;
case 211:
case 215:
bindReturnOrThrow(node);
break;
case 210:
case 209:
bindBreakOrContinueStatement(node);
break;
case 216:
bindTryStatement(node);
break;
case 213:
bindSwitchStatement(node);
break;
case 227:
bindCaseBlock(node);
break;
case 249:
bindCaseClause(node);
break;
case 214:
bindLabeledStatement(node);
break;
case 185:
bindPrefixUnaryExpressionFlow(node);
break;
case 187:
bindBinaryExpressionFlow(node);
break;
case 181:
bindDeleteExpressionFlow(node);
break;
case 188:
bindConditionalExpressionFlow(node);
break;
case 218:
bindVariableDeclarationFlow(node);
break;
case 174:
bindCallExpressionFlow(node);
break;
default:
ts.forEachChild(node, bind);
break;
}
}
function isNarrowingExpression(expr) {
switch (expr.kind) {
case 69:
case 97:
case 172:
return isNarrowableReference(expr);
case 174:
return hasNarrowableArgument(expr);
case 178:
return isNarrowingExpression(expr.expression);
case 187:
return isNarrowingBinaryExpression(expr);
case 185:
return expr.operator === 49 && isNarrowingExpression(expr.operand);
}
return false;
}
function isNarrowableReference(expr) {
return expr.kind === 69 ||
expr.kind === 97 ||
expr.kind === 172 && isNarrowableReference(expr.expression);
}
function hasNarrowableArgument(expr) {
if (expr.arguments) {
for (var _i = 0, _a = expr.arguments; _i < _a.length; _i++) {
var argument = _a[_i];
if (isNarrowableReference(argument)) {
return true;
}
}
}
if (expr.expression.kind === 172 &&
isNarrowableReference(expr.expression.expression)) {
return true;
}
return false;
}
function isNarrowingTypeofOperands(expr1, expr2) {
return expr1.kind === 182 && isNarrowableOperand(expr1.expression) && expr2.kind === 9;
}
function isNarrowingBinaryExpression(expr) {
switch (expr.operatorToken.kind) {
case 56:
return isNarrowableReference(expr.left);
case 30:
case 31:
case 32:
case 33:
return isNarrowableOperand(expr.left) || isNarrowableOperand(expr.right) ||
isNarrowingTypeofOperands(expr.right, expr.left) || isNarrowingTypeofOperands(expr.left, expr.right);
case 91:
return isNarrowableOperand(expr.left);
case 24:
return isNarrowingExpression(expr.right);
}
return false;
}
function isNarrowableOperand(expr) {
switch (expr.kind) {
case 178:
return isNarrowableOperand(expr.expression);
case 187:
switch (expr.operatorToken.kind) {
case 56:
return isNarrowableOperand(expr.left);
case 24:
return isNarrowableOperand(expr.right);
}
}
return isNarrowableReference(expr);
}
function createBranchLabel() {
return {
flags: 4,
antecedents: undefined
};
}
function createLoopLabel() {
return {
flags: 8,
antecedents: undefined
};
}
function setFlowNodeReferenced(flow) {
flow.flags |= flow.flags & 256 ? 512 : 256;
}
function addAntecedent(label, antecedent) {
if (!(antecedent.flags & 1) && !ts.contains(label.antecedents, antecedent)) {
(label.antecedents || (label.antecedents = [])).push(antecedent);
setFlowNodeReferenced(antecedent);
}
}
function createFlowCondition(flags, antecedent, expression) {
if (antecedent.flags & 1) {
return antecedent;
}
if (!expression) {
return flags & 32 ? antecedent : unreachableFlow;
}
if (expression.kind === 99 && flags & 64 ||
expression.kind === 84 && flags & 32) {
return unreachableFlow;
}
if (!isNarrowingExpression(expression)) {
return antecedent;
}
setFlowNodeReferenced(antecedent);
return {
flags: flags,
expression: expression,
antecedent: antecedent
};
}
function createFlowSwitchClause(antecedent, switchStatement, clauseStart, clauseEnd) {
if (!isNarrowingExpression(switchStatement.expression)) {
return antecedent;
}
setFlowNodeReferenced(antecedent);
return {
flags: 128,
switchStatement: switchStatement,
clauseStart: clauseStart,
clauseEnd: clauseEnd,
antecedent: antecedent
};
}
function createFlowAssignment(antecedent, node) {
setFlowNodeReferenced(antecedent);
return {
flags: 16,
antecedent: antecedent,
node: node
};
}
function finishFlowLabel(flow) {
var antecedents = flow.antecedents;
if (!antecedents) {
return unreachableFlow;
}
if (antecedents.length === 1) {
return antecedents[0];
}
return flow;
}
function isStatementCondition(node) {
var parent = node.parent;
switch (parent.kind) {
case 203:
case 205:
case 204:
return parent.expression === node;
case 206:
case 188:
return parent.condition === node;
}
return false;
}
function isLogicalExpression(node) {
while (true) {
if (node.kind === 178) {
node = node.expression;
}
else if (node.kind === 185 && node.operator === 49) {
node = node.operand;
}
else {
return node.kind === 187 && (node.operatorToken.kind === 51 ||
node.operatorToken.kind === 52);
}
}
}
function isTopLevelLogicalExpression(node) {
while (node.parent.kind === 178 ||
node.parent.kind === 185 &&
node.parent.operator === 49) {
node = node.parent;
}
return !isStatementCondition(node) && !isLogicalExpression(node.parent);
}
function bindCondition(node, trueTarget, falseTarget) {
var saveTrueTarget = currentTrueTarget;
var saveFalseTarget = currentFalseTarget;
currentTrueTarget = trueTarget;
currentFalseTarget = falseTarget;
bind(node);
currentTrueTarget = saveTrueTarget;
currentFalseTarget = saveFalseTarget;
if (!node || !isLogicalExpression(node)) {
addAntecedent(trueTarget, createFlowCondition(32, currentFlow, node));
addAntecedent(falseTarget, createFlowCondition(64, currentFlow, node));
}
}
function bindIterativeStatement(node, breakTarget, continueTarget) {
var saveBreakTarget = currentBreakTarget;
var saveContinueTarget = currentContinueTarget;
currentBreakTarget = breakTarget;
currentContinueTarget = continueTarget;
bind(node);
currentBreakTarget = saveBreakTarget;
currentContinueTarget = saveContinueTarget;
}
function bindWhileStatement(node) {
var preWhileLabel = createLoopLabel();
var preBodyLabel = createBranchLabel();
var postWhileLabel = createBranchLabel();
addAntecedent(preWhileLabel, currentFlow);
currentFlow = preWhileLabel;
bindCondition(node.expression, preBodyLabel, postWhileLabel);
currentFlow = finishFlowLabel(preBodyLabel);
bindIterativeStatement(node.statement, postWhileLabel, preWhileLabel);
addAntecedent(preWhileLabel, currentFlow);
currentFlow = finishFlowLabel(postWhileLabel);
}
function bindDoStatement(node) {
var preDoLabel = createLoopLabel();
var preConditionLabel = createBranchLabel();
var postDoLabel = createBranchLabel();
addAntecedent(preDoLabel, currentFlow);
currentFlow = preDoLabel;
bindIterativeStatement(node.statement, postDoLabel, preConditionLabel);
addAntecedent(preConditionLabel, currentFlow);
currentFlow = finishFlowLabel(preConditionLabel);
bindCondition(node.expression, preDoLabel, postDoLabel);
currentFlow = finishFlowLabel(postDoLabel);
}
function bindForStatement(node) {
var preLoopLabel = createLoopLabel();
var preBodyLabel = createBranchLabel();
var postLoopLabel = createBranchLabel();
bind(node.initializer);
addAntecedent(preLoopLabel, currentFlow);
currentFlow = preLoopLabel;
bindCondition(node.condition, preBodyLabel, postLoopLabel);
currentFlow = finishFlowLabel(preBodyLabel);
bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel);
bind(node.incrementor);
addAntecedent(preLoopLabel, currentFlow);
currentFlow = finishFlowLabel(postLoopLabel);
}
function bindForInOrForOfStatement(node) {
var preLoopLabel = createLoopLabel();
var postLoopLabel = createBranchLabel();
addAntecedent(preLoopLabel, currentFlow);
currentFlow = preLoopLabel;
bind(node.expression);
addAntecedent(postLoopLabel, currentFlow);
bind(node.initializer);
if (node.initializer.kind !== 219) {
bindAssignmentTargetFlow(node.initializer);
}
bindIterativeStatement(node.statement, postLoopLabel, preLoopLabel);
addAntecedent(preLoopLabel, currentFlow);
currentFlow = finishFlowLabel(postLoopLabel);
}
function bindIfStatement(node) {
var thenLabel = createBranchLabel();
var elseLabel = createBranchLabel();
var postIfLabel = createBranchLabel();
bindCondition(node.expression, thenLabel, elseLabel);
currentFlow = finishFlowLabel(thenLabel);
bind(node.thenStatement);
addAntecedent(postIfLabel, currentFlow);
currentFlow = finishFlowLabel(elseLabel);
bind(node.elseStatement);
addAntecedent(postIfLabel, currentFlow);
currentFlow = finishFlowLabel(postIfLabel);
}
function bindReturnOrThrow(node) {
bind(node.expression);
if (node.kind === 211) {
hasExplicitReturn = true;
if (currentReturnTarget) {
addAntecedent(currentReturnTarget, currentFlow);
}
}
currentFlow = unreachableFlow;
}
function findActiveLabel(name) {
if (activeLabels) {
for (var _i = 0, activeLabels_1 = activeLabels; _i < activeLabels_1.length; _i++) {
var label = activeLabels_1[_i];
if (label.name === name) {
return label;
}
}
}
return undefined;
}
function bindbreakOrContinueFlow(node, breakTarget, continueTarget) {
var flowLabel = node.kind === 210 ? breakTarget : continueTarget;
if (flowLabel) {
addAntecedent(flowLabel, currentFlow);
currentFlow = unreachableFlow;
}
}
function bindBreakOrContinueStatement(node) {
bind(node.label);
if (node.label) {
var activeLabel = findActiveLabel(node.label.text);
if (activeLabel) {
activeLabel.referenced = true;
bindbreakOrContinueFlow(node, activeLabel.breakTarget, activeLabel.continueTarget);
}
}
else {
bindbreakOrContinueFlow(node, currentBreakTarget, currentContinueTarget);
}
}
function bindTryStatement(node) {
var postFinallyLabel = createBranchLabel();
var preTryFlow = currentFlow;
bind(node.tryBlock);
addAntecedent(postFinallyLabel, currentFlow);
if (node.catchClause) {
currentFlow = preTryFlow;
bind(node.catchClause);
addAntecedent(postFinallyLabel, currentFlow);
}
if (node.finallyBlock) {
currentFlow = preTryFlow;
bind(node.finallyBlock);
}
currentFlow = finishFlowLabel(postFinallyLabel);
}
function bindSwitchStatement(node) {
var postSwitchLabel = createBranchLabel();
bind(node.expression);
var saveBreakTarget = currentBreakTarget;
var savePreSwitchCaseFlow = preSwitchCaseFlow;
currentBreakTarget = postSwitchLabel;
preSwitchCaseFlow = currentFlow;
bind(node.caseBlock);
addAntecedent(postSwitchLabel, currentFlow);
var hasDefault = ts.forEach(node.caseBlock.clauses, function (c) { return c.kind === 250; });
node.possiblyExhaustive = !hasDefault && !postSwitchLabel.antecedents;
if (!hasDefault) {
addAntecedent(postSwitchLabel, createFlowSwitchClause(preSwitchCaseFlow, node, 0, 0));
}
currentBreakTarget = saveBreakTarget;
preSwitchCaseFlow = savePreSwitchCaseFlow;
currentFlow = finishFlowLabel(postSwitchLabel);
}
function bindCaseBlock(node) {
var clauses = node.clauses;
var fallthroughFlow = unreachableFlow;
for (var i = 0; i < clauses.length; i++) {
var clauseStart = i;
while (!clauses[i].statements.length && i + 1 < clauses.length) {
bind(clauses[i]);
i++;
}
var preCaseLabel = createBranchLabel();
addAntecedent(preCaseLabel, createFlowSwitchClause(preSwitchCaseFlow, node.parent, clauseStart, i + 1));
addAntecedent(preCaseLabel, fallthroughFlow);
currentFlow = finishFlowLabel(preCaseLabel);
var clause = clauses[i];
bind(clause);
fallthroughFlow = currentFlow;
if (!(currentFlow.flags & 1) && i !== clauses.length - 1 && options.noFallthroughCasesInSwitch) {
errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch);
}
}
}
function bindCaseClause(node) {
var saveCurrentFlow = currentFlow;
currentFlow = preSwitchCaseFlow;
bind(node.expression);
currentFlow = saveCurrentFlow;
ts.forEach(node.statements, bind);
}
function pushActiveLabel(name, breakTarget, continueTarget) {
var activeLabel = {
name: name,
breakTarget: breakTarget,
continueTarget: continueTarget,
referenced: false
};
(activeLabels || (activeLabels = [])).push(activeLabel);
return activeLabel;
}
function popActiveLabel() {
activeLabels.pop();
}
function bindLabeledStatement(node) {
var preStatementLabel = createLoopLabel();
var postStatementLabel = createBranchLabel();
bind(node.label);
addAntecedent(preStatementLabel, currentFlow);
var activeLabel = pushActiveLabel(node.label.text, postStatementLabel, preStatementLabel);
bind(node.statement);
popActiveLabel();
if (!activeLabel.referenced && !options.allowUnusedLabels) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(node.label, ts.Diagnostics.Unused_label));
}
addAntecedent(postStatementLabel, currentFlow);
currentFlow = finishFlowLabel(postStatementLabel);
}
function bindDestructuringTargetFlow(node) {
if (node.kind === 187 && node.operatorToken.kind === 56) {
bindAssignmentTargetFlow(node.left);
}
else {
bindAssignmentTargetFlow(node);
}
}
function bindAssignmentTargetFlow(node) {
if (isNarrowableReference(node)) {
currentFlow = createFlowAssignment(currentFlow, node);
}
else if (node.kind === 170) {
for (var _i = 0, _a = node.elements; _i < _a.length; _i++) {
var e = _a[_i];
if (e.kind === 191) {
bindAssignmentTargetFlow(e.expression);
}
else {
bindDestructuringTargetFlow(e);
}
}
}
else if (node.kind === 171) {
for (var _b = 0, _c = node.properties; _b < _c.length; _b++) {
var p = _c[_b];
if (p.kind === 253) {
bindDestructuringTargetFlow(p.initializer);
}
else if (p.kind === 254) {
bindAssignmentTargetFlow(p.name);
}
}
}
}
function bindLogicalExpression(node, trueTarget, falseTarget) {
var preRightLabel = createBranchLabel();
if (node.operatorToken.kind === 51) {
bindCondition(node.left, preRightLabel, falseTarget);
}
else {
bindCondition(node.left, trueTarget, preRightLabel);
}
currentFlow = finishFlowLabel(preRightLabel);
bind(node.operatorToken);
bindCondition(node.right, trueTarget, falseTarget);
}
function bindPrefixUnaryExpressionFlow(node) {
if (node.operator === 49) {
var saveTrueTarget = currentTrueTarget;
currentTrueTarget = currentFalseTarget;
currentFalseTarget = saveTrueTarget;
ts.forEachChild(node, bind);
currentFalseTarget = currentTrueTarget;
currentTrueTarget = saveTrueTarget;
}
else {
ts.forEachChild(node, bind);
}
}
function bindBinaryExpressionFlow(node) {
var operator = node.operatorToken.kind;
if (operator === 51 || operator === 52) {
if (isTopLevelLogicalExpression(node)) {
var postExpressionLabel = createBranchLabel();
bindLogicalExpression(node, postExpressionLabel, postExpressionLabel);
currentFlow = finishFlowLabel(postExpressionLabel);
}
else {
bindLogicalExpression(node, currentTrueTarget, currentFalseTarget);
}
}
else {
ts.forEachChild(node, bind);
if (operator === 56 && !ts.isAssignmentTarget(node)) {
bindAssignmentTargetFlow(node.left);
}
}
}
function bindDeleteExpressionFlow(node) {
ts.forEachChild(node, bind);
if (node.expression.kind === 172) {
bindAssignmentTargetFlow(node.expression);
}
}
function bindConditionalExpressionFlow(node) {
var trueLabel = createBranchLabel();
var falseLabel = createBranchLabel();
var postExpressionLabel = createBranchLabel();
bindCondition(node.condition, trueLabel, falseLabel);
currentFlow = finishFlowLabel(trueLabel);
bind(node.whenTrue);
addAntecedent(postExpressionLabel, currentFlow);
currentFlow = finishFlowLabel(falseLabel);
bind(node.whenFalse);
addAntecedent(postExpressionLabel, currentFlow);
currentFlow = finishFlowLabel(postExpressionLabel);
}
function bindInitializedVariableFlow(node) {
var name = node.name;
if (ts.isBindingPattern(name)) {
for (var _i = 0, _a = name.elements; _i < _a.length; _i++) {
var child = _a[_i];
bindInitializedVariableFlow(child);
}
}
else {
currentFlow = createFlowAssignment(currentFlow, node);
}
}
function bindVariableDeclarationFlow(node) {
ts.forEachChild(node, bind);
if (node.initializer || node.parent.parent.kind === 207 || node.parent.parent.kind === 208) {
bindInitializedVariableFlow(node);
}
}
function bindCallExpressionFlow(node) {
var expr = node.expression;
while (expr.kind === 178) {
expr = expr.expression;
}
if (expr.kind === 179 || expr.kind === 180) {
ts.forEach(node.typeArguments, bind);
ts.forEach(node.arguments, bind);
bind(node.expression);
}
else {
ts.forEachChild(node, bind);
}
}
function getContainerFlags(node) {
switch (node.kind) {
case 192:
case 221:
case 224:
case 171:
case 159:
case 281:
case 265:
return 1;
case 222:
return 1 | 64;
case 269:
case 225:
case 223:
return 1 | 32;
case 256:
return 1 | 4 | 32;
case 148:
case 220:
case 147:
case 146:
case 149:
case 150:
case 151:
case 152:
case 153:
case 156:
case 157:
return 1 | 4 | 32 | 8;
case 179:
case 180:
return 1 | 4 | 32 | 8 | 16;
case 226:
return 4;
case 145:
return node.initializer ? 4 : 0;
case 252:
case 206:
case 207:
case 208:
case 227:
return 2;
case 199:
return ts.isFunctionLike(node.parent) ? 0 : 2;
}
return 0;
}
function addToContainerChain(next) {
if (lastContainer) {
lastContainer.nextContainer = next;
}
lastContainer = next;
}
function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) {
return declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes);
}
function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) {
switch (container.kind) {
case 225:
return declareModuleMember(node, symbolFlags, symbolExcludes);
case 256:
return declareSourceFileMember(node, symbolFlags, symbolExcludes);
case 192:
case 221:
return declareClassMember(node, symbolFlags, symbolExcludes);
case 224:
return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes);
case 159:
case 171:
case 222:
case 265:
case 281:
return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes);
case 156:
case 157:
case 151:
case 152:
case 153:
case 147:
case 146:
case 148:
case 149:
case 150:
case 220:
case 179:
case 180:
case 269:
case 223:
return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes);
}
}
function declareClassMember(node, symbolFlags, symbolExcludes) {
return node.flags & 32
? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes)
: declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes);
}
function declareSourceFileMember(node, symbolFlags, symbolExcludes) {
return ts.isExternalModule(file)
? declareModuleMember(node, symbolFlags, symbolExcludes)
: declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes);
}
function hasExportDeclarations(node) {
var body = node.kind === 256 ? node : node.body;
if (body && (body.kind === 256 || body.kind === 226)) {
for (var _i = 0, _a = body.statements; _i < _a.length; _i++) {
var stat = _a[_i];
if (stat.kind === 236 || stat.kind === 235) {
return true;
}
}
}
return false;
}
function setExportContextFlag(node) {
if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) {
node.flags |= 8192;
}
else {
node.flags &= ~8192;
}
}
function bindModuleDeclaration(node) {
setExportContextFlag(node);
if (ts.isAmbientModule(node)) {
if (node.flags & 1) {
errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible);
}
if (ts.isExternalModuleAugmentation(node)) {
declareSymbolAndAddToSymbolTable(node, 1024, 0);
}
else {
var pattern = void 0;
if (node.name.kind === 9) {
var text = node.name.text;
if (ts.hasZeroOrOneAsteriskCharacter(text)) {
pattern = ts.tryParsePattern(text);
}
else {
errorOnFirstToken(node.name, ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, text);
}
}
var symbol = declareSymbolAndAddToSymbolTable(node, 512, 106639);
if (pattern) {
(file.patternAmbientModules || (file.patternAmbientModules = [])).push({ pattern: pattern, symbol: symbol });
}
}
}
else {
var state = getModuleInstanceState(node);
if (state === 0) {
declareSymbolAndAddToSymbolTable(node, 1024, 0);
}
else {
declareSymbolAndAddToSymbolTable(node, 512, 106639);
if (node.symbol.flags & (16 | 32 | 256)) {
node.symbol.constEnumOnlyModule = false;
}
else {
var currentModuleIsConstEnumOnly = state === 2;
if (node.symbol.constEnumOnlyModule === undefined) {
node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly;
}
else {
node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly;
}
}
}
}
}
function bindFunctionOrConstructorType(node) {
var symbol = createSymbol(131072, getDeclarationName(node));
addDeclarationToSymbol(symbol, node, 131072);
var typeLiteralSymbol = createSymbol(2048, "__type");
addDeclarationToSymbol(typeLiteralSymbol, node, 2048);
typeLiteralSymbol.members = ts.createMap();
typeLiteralSymbol.members[symbol.name] = symbol;
}
function bindObjectLiteralExpression(node) {
if (inStrictMode) {
var seen = ts.createMap();
for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
var prop = _a[_i];
if (prop.name.kind !== 69) {
continue;
}
var identifier = prop.name;
var currentKind = prop.kind === 253 || prop.kind === 254 || prop.kind === 147
? 1
: 2;
var existingKind = seen[identifier.text];
if (!existingKind) {
seen[identifier.text] = currentKind;
continue;
}
if (currentKind === 1 && existingKind === 1) {
var span = ts.getErrorSpanForNode(file, identifier);
file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode));
}
}
}
return bindAnonymousDeclaration(node, 4096, "__object");
}
function bindAnonymousDeclaration(node, symbolFlags, name) {
var symbol = createSymbol(symbolFlags, name);
addDeclarationToSymbol(symbol, node, symbolFlags);
}
function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) {
switch (blockScopeContainer.kind) {
case 225:
declareModuleMember(node, symbolFlags, symbolExcludes);
break;
case 256:
if (ts.isExternalModule(container)) {
declareModuleMember(node, symbolFlags, symbolExcludes);
break;
}
default:
if (!blockScopeContainer.locals) {
blockScopeContainer.locals = ts.createMap();
addToContainerChain(blockScopeContainer);
}
declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes);
}
}
function bindBlockScopedVariableDeclaration(node) {
bindBlockScopedDeclaration(node, 2, 107455);
}
function checkStrictModeIdentifier(node) {
if (inStrictMode &&
node.originalKeywordKind >= 106 &&
node.originalKeywordKind <= 114 &&
!ts.isIdentifierName(node) &&
!ts.isInAmbientContext(node)) {
if (!file.parseDiagnostics.length) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node)));
}
}
}
function getStrictModeIdentifierMessage(node) {
if (ts.getContainingClass(node)) {
return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode;
}
if (file.externalModuleIndicator) {
return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode;
}
return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode;
}
function checkStrictModeBinaryExpression(node) {
if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) {
checkStrictModeEvalOrArguments(node, node.left);
}
}
function checkStrictModeCatchClause(node) {
if (inStrictMode && node.variableDeclaration) {
checkStrictModeEvalOrArguments(node, node.variableDeclaration.name);
}
}
function checkStrictModeDeleteExpression(node) {
if (inStrictMode && node.expression.kind === 69) {
var span = ts.getErrorSpanForNode(file, node.expression);
file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode));
}
}
function isEvalOrArgumentsIdentifier(node) {
return node.kind === 69 &&
(node.text === "eval" || node.text === "arguments");
}
function checkStrictModeEvalOrArguments(contextNode, name) {
if (name && name.kind === 69) {
var identifier = name;
if (isEvalOrArgumentsIdentifier(identifier)) {
var span = ts.getErrorSpanForNode(file, name);
file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text));
}
}
}
function getStrictModeEvalOrArgumentsMessage(node) {
if (ts.getContainingClass(node)) {
return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode;
}
if (file.externalModuleIndicator) {
return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode;
}
return ts.Diagnostics.Invalid_use_of_0_in_strict_mode;
}
function checkStrictModeFunctionName(node) {
if (inStrictMode) {
checkStrictModeEvalOrArguments(node, node.name);
}
}
function getStrictModeBlockScopeFunctionDeclarationMessage(node) {
if (ts.getContainingClass(node)) {
return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Class_definitions_are_automatically_in_strict_mode;
}
if (file.externalModuleIndicator) {
return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5_Modules_are_automatically_in_strict_mode;
}
return ts.Diagnostics.Function_declarations_are_not_allowed_inside_blocks_in_strict_mode_when_targeting_ES3_or_ES5;
}
function checkStrictModeFunctionDeclaration(node) {
if (languageVersion < 2) {
if (blockScopeContainer.kind !== 256 &&
blockScopeContainer.kind !== 225 &&
!ts.isFunctionLike(blockScopeContainer)) {
var errorSpan = ts.getErrorSpanForNode(file, node);
file.bindDiagnostics.push(ts.createFileDiagnostic(file, errorSpan.start, errorSpan.length, getStrictModeBlockScopeFunctionDeclarationMessage(node)));
}
}
}
function checkStrictModeNumericLiteral(node) {
if (inStrictMode && node.isOctalLiteral) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode));
}
}
function checkStrictModePostfixUnaryExpression(node) {
if (inStrictMode) {
checkStrictModeEvalOrArguments(node, node.operand);
}
}
function checkStrictModePrefixUnaryExpression(node) {
if (inStrictMode) {
if (node.operator === 41 || node.operator === 42) {
checkStrictModeEvalOrArguments(node, node.operand);
}
}
}
function checkStrictModeWithStatement(node) {
if (inStrictMode) {
errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode);
}
}
function errorOnFirstToken(node, message, arg0, arg1, arg2) {
var span = ts.getSpanOfTokenAtPosition(file, node.pos);
file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2));
}
function getDestructuringParameterName(node) {
return "__" + ts.indexOf(node.parent.parameters, node);
}
function bind(node) {
if (!node) {
return;
}
node.parent = parent;
var saveInStrictMode = inStrictMode;
bindWorker(node);
if (node.kind > 138) {
var saveParent = parent;
parent = node;
var containerFlags = getContainerFlags(node);
if (containerFlags === 0) {
bindChildren(node);
}
else {
bindContainer(node, containerFlags);
}
parent = saveParent;
}
inStrictMode = saveInStrictMode;
}
function updateStrictModeStatementList(statements) {
if (!inStrictMode) {
for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) {
var statement = statements_1[_i];
if (!ts.isPrologueDirective(statement)) {
return;
}
if (isUseStrictPrologueDirective(statement)) {
inStrictMode = true;
return;
}
}
}
}
function isUseStrictPrologueDirective(node) {
var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression);
return nodeText === '"use strict"' || nodeText === "'use strict'";
}
function bindWorker(node) {
switch (node.kind) {
case 69:
case 97:
if (currentFlow && (ts.isExpression(node) || parent.kind === 254)) {
node.flowNode = currentFlow;
}
return checkStrictModeIdentifier(node);
case 172:
if (currentFlow && isNarrowableReference(node)) {
node.flowNode = currentFlow;
}
break;
case 187:
if (ts.isInJavaScriptFile(node)) {
var specialKind = ts.getSpecialPropertyAssignmentKind(node);
switch (specialKind) {
case 1:
bindExportsPropertyAssignment(node);
break;
case 2:
bindModuleExportsAssignment(node);
break;
case 3:
bindPrototypePropertyAssignment(node);
break;
case 4:
bindThisPropertyAssignment(node);
break;
case 0:
break;
default:
ts.Debug.fail("Unknown special property assignment kind");
}
}
return checkStrictModeBinaryExpression(node);
case 252:
return checkStrictModeCatchClause(node);
case 181:
return checkStrictModeDeleteExpression(node);
case 8:
return checkStrictModeNumericLiteral(node);
case 186:
return checkStrictModePostfixUnaryExpression(node);
case 185:
return checkStrictModePrefixUnaryExpression(node);
case 212:
return checkStrictModeWithStatement(node);
case 165:
seenThisKeyword = true;
return;
case 154:
return checkTypePredicate(node);
case 141:
return declareSymbolAndAddToSymbolTable(node, 262144, 530920);
case 142:
return bindParameter(node);
case 218:
case 169:
return bindVariableDeclarationOrBindingElement(node);
case 145:
case 144:
case 266:
return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 0);
case 280:
return bindJSDocProperty(node);
case 253:
case 254:
return bindPropertyOrMethodOrAccessor(node, 4, 0);
case 255:
return bindPropertyOrMethodOrAccessor(node, 8, 900095);
case 247:
emitFlags |= 1073741824;
return;
case 151:
case 152:
case 153:
return declareSymbolAndAddToSymbolTable(node, 131072, 0);
case 147:
case 146:
return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 0 : 99263);
case 220:
return bindFunctionDeclaration(node);
case 148:
return declareSymbolAndAddToSymbolTable(node, 16384, 0);
case 149:
return bindPropertyOrMethodOrAccessor(node, 32768, 41919);
case 150:
return bindPropertyOrMethodOrAccessor(node, 65536, 74687);
case 156:
case 157:
case 269:
return bindFunctionOrConstructorType(node);
case 159:
case 281:
case 265:
return bindAnonymousDeclaration(node, 2048, "__type");
case 171:
return bindObjectLiteralExpression(node);
case 179:
case 180:
return bindFunctionExpression(node);
case 174:
if (ts.isInJavaScriptFile(node)) {
bindCallExpression(node);
}
break;
case 192:
case 221:
inStrictMode = true;
return bindClassLikeDeclaration(node);
case 222:
return bindBlockScopedDeclaration(node, 64, 792968);
case 279:
case 223:
return bindBlockScopedDeclaration(node, 524288, 793064);
case 224:
return bindEnumDeclaration(node);
case 225:
return bindModuleDeclaration(node);
case 229:
case 232:
case 234:
case 238:
return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608);
case 228:
return bindNamespaceExportDeclaration(node);
case 231:
return bindImportClause(node);
case 236:
return bindExportDeclaration(node);
case 235:
return bindExportAssignment(node);
case 256:
updateStrictModeStatementList(node.statements);
return bindSourceFileIfExternalModule();
case 199:
if (!ts.isFunctionLike(node.parent)) {
return;
}
case 226:
return updateStrictModeStatementList(node.statements);
}
}
function checkTypePredicate(node) {
var parameterName = node.parameterName, type = node.type;
if (parameterName && parameterName.kind === 69) {
checkStrictModeIdentifier(parameterName);
}
if (parameterName && parameterName.kind === 165) {
seenThisKeyword = true;
}
bind(type);
}
function bindSourceFileIfExternalModule() {
setExportContextFlag(file);
if (ts.isExternalModule(file)) {
bindSourceFileAsExternalModule();
}
}
function bindSourceFileAsExternalModule() {
bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\"");
}
function bindExportAssignment(node) {
if (!container.symbol || !container.symbol.exports) {
bindAnonymousDeclaration(node, 8388608, getDeclarationName(node));
}
else {
var flags = node.kind === 235 && ts.exportAssignmentIsAlias(node)
? 8388608
: 4;
declareSymbol(container.symbol.exports, container.symbol, node, flags, 0 | 8388608);
}
}
function bindNamespaceExportDeclaration(node) {
if (node.modifiers && node.modifiers.length) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Modifiers_cannot_appear_here));
}
if (node.parent.kind !== 256) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_at_top_level));
return;
}
else {
var parent_6 = node.parent;
if (!ts.isExternalModule(parent_6)) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_module_files));
return;
}
if (!parent_6.isDeclarationFile) {
file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Global_module_exports_may_only_appear_in_declaration_files));
return;
}
}
file.symbol.globalExports = file.symbol.globalExports || ts.createMap();
declareSymbol(file.symbol.globalExports, file.symbol, node, 8388608, 8388608);
}
function bindExportDeclaration(node) {
if (!container.symbol || !container.symbol.exports) {
bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node));
}
else if (!node.exportClause) {
declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0);
}
}
function bindImportClause(node) {
if (node.name) {
declareSymbolAndAddToSymbolTable(node, 8388608, 8388608);
}
}
function setCommonJsModuleIndicator(node) {
if (!file.commonJsModuleIndicator) {
file.commonJsModuleIndicator = node;
bindSourceFileAsExternalModule();
}
}
function bindExportsPropertyAssignment(node) {
setCommonJsModuleIndicator(node);
declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0);
}
function bindModuleExportsAssignment(node) {
setCommonJsModuleIndicator(node);
declareSymbol(file.symbol.exports, file.symbol, node, 4 | 7340032 | 512, 0);
}
function bindThisPropertyAssignment(node) {
ts.Debug.assert(ts.isInJavaScriptFile(node));
if (container.kind === 220 || container.kind === 179) {
container.symbol.members = container.symbol.members || ts.createMap();
declareSymbol(container.symbol.members, container.symbol, node, 4, 0 & ~4);
}
else if (container.kind === 148) {
var saveContainer = container;
container = container.parent;
var symbol = bindPropertyOrMethodOrAccessor(node, 4, 0);
if (symbol) {
symbol.isReplaceableByMethod = true;
}
container = saveContainer;
}
}
function bindPrototypePropertyAssignment(node) {
var leftSideOfAssignment = node.left;
var classPrototype = leftSideOfAssignment.expression;
var constructorFunction = classPrototype.expression;
leftSideOfAssignment.parent = node;
constructorFunction.parent = classPrototype;
classPrototype.parent = leftSideOfAssignment;
var funcSymbol = container.locals[constructorFunction.text];
if (!funcSymbol || !(funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) {
return;
}
if (!funcSymbol.members) {
funcSymbol.members = ts.createMap();
}
declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 0);
}
function bindCallExpression(node) {
if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) {
setCommonJsModuleIndicator(node);
}
}
function bindClassLikeDeclaration(node) {
if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) {
if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) {
emitFlags |= 262144;
}
if (ts.nodeIsDecorated(node)) {
emitFlags |= 524288;
}
}
if (node.kind === 221) {
bindBlockScopedDeclaration(node, 32, 899519);
}
else {
var bindingName = node.name ? node.name.text : "__class";
bindAnonymousDeclaration(node, 32, bindingName);
if (node.name) {
classifiableNames[node.name.text] = node.name.text;
}
}
var symbol = node.symbol;
var prototypeSymbol = createSymbol(4 | 134217728, "prototype");
if (symbol.exports[prototypeSymbol.name]) {
if (node.name) {
node.name.parent = node;
}
file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name));
}
symbol.exports[prototypeSymbol.name] = prototypeSymbol;
prototypeSymbol.parent = symbol;
}
function bindEnumDeclaration(node) {
return ts.isConst(node)
? bindBlockScopedDeclaration(node, 128, 899967)
: bindBlockScopedDeclaration(node, 256, 899327);
}
function bindVariableDeclarationOrBindingElement(node) {
if (inStrictMode) {
checkStrictModeEvalOrArguments(node, node.name);
}
if (!ts.isBindingPattern(node.name)) {
if (ts.isBlockOrCatchScoped(node)) {
bindBlockScopedVariableDeclaration(node);
}
else if (ts.isParameterDeclaration(node)) {
declareSymbolAndAddToSymbolTable(node, 1, 107455);
}
else {
declareSymbolAndAddToSymbolTable(node, 1, 107454);
}
}
}
function bindParameter(node) {
if (!ts.isDeclarationFile(file) &&
!ts.isInAmbientContext(node) &&
ts.nodeIsDecorated(node)) {
emitFlags |= (524288 | 1048576);
}
if (inStrictMode) {
checkStrictModeEvalOrArguments(node, node.name);
}
if (ts.isBindingPattern(node.name)) {
bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node));
}
else {
declareSymbolAndAddToSymbolTable(node, 1, 107455);
}
if (ts.isParameterPropertyDeclaration(node)) {
var classDeclaration = node.parent.parent;
declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 | (node.questionToken ? 536870912 : 0), 0);
}
}
function bindFunctionDeclaration(node) {
if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) {
if (ts.isAsyncFunctionLike(node)) {
emitFlags |= 2097152;
}
}
checkStrictModeFunctionName(node);
if (inStrictMode) {
checkStrictModeFunctionDeclaration(node);
bindBlockScopedDeclaration(node, 16, 106927);
}
else {
declareSymbolAndAddToSymbolTable(node, 16, 106927);
}
}
function bindFunctionExpression(node) {
if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) {
if (ts.isAsyncFunctionLike(node)) {
emitFlags |= 2097152;
}
}
if (currentFlow) {
node.flowNode = currentFlow;
}
checkStrictModeFunctionName(node);
var bindingName = node.name ? node.name.text : "__function";
return bindAnonymousDeclaration(node, 16, bindingName);
}
function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) {
if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) {
if (ts.isAsyncFunctionLike(node)) {
emitFlags |= 2097152;
}
if (ts.nodeIsDecorated(node)) {
emitFlags |= 524288;
}
}
return ts.hasDynamicName(node)
? bindAnonymousDeclaration(node, symbolFlags, "__computed")
: declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes);
}
function bindJSDocProperty(node) {
return declareSymbolAndAddToSymbolTable(node, 4, 0);
}
function shouldReportErrorOnModuleDeclaration(node) {
var instanceState = getModuleInstanceState(node);
return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums);
}
function checkUnreachable(node) {
if (!(currentFlow.flags & 1)) {
return false;
}
if (currentFlow === unreachableFlow) {
var reportError = (ts.isStatement(node) && node.kind !== 201) ||
node.kind === 221 ||
(node.kind === 225 && shouldReportErrorOnModuleDeclaration(node)) ||
(node.kind === 224 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums));
if (reportError) {
currentFlow = reportedUnreachableFlow;
var reportUnreachableCode = !options.allowUnreachableCode &&
!ts.isInAmbientContext(node) &&
(node.kind !== 200 ||
ts.getCombinedNodeFlags(node.declarationList) & 3072 ||
ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; }));
if (reportUnreachableCode) {
errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected);
}
}
}
return true;
}
}
})(ts || (ts = {}));
var ts;
(function (ts) {
var ambientModuleSymbolRegex = /^".+"$/;
var nextSymbolId = 1;
var nextNodeId = 1;
var nextMergeId = 1;
var nextFlowId = 1;
function getNodeId(node) {
if (!node.id) {
node.id = nextNodeId;
nextNodeId++;
}
return node.id;
}
ts.getNodeId = getNodeId;
function getSymbolId(symbol) {
if (!symbol.id) {
symbol.id = nextSymbolId;
nextSymbolId++;
}
return symbol.id;
}
ts.getSymbolId = getSymbolId;
function createTypeChecker(host, produceDiagnostics) {
var cancellationToken;
var Symbol = ts.objectAllocator.getSymbolConstructor();
var Type = ts.objectAllocator.getTypeConstructor();
var Signature = ts.objectAllocator.getSignatureConstructor();
var typeCount = 0;
var symbolCount = 0;
var emptyArray = [];
var emptySymbols = ts.createMap();
var compilerOptions = host.getCompilerOptions();
var languageVersion = compilerOptions.target || 0;
var modulekind = ts.getEmitModuleKind(compilerOptions);
var noUnusedIdentifiers = !!compilerOptions.noUnusedLocals || !!compilerOptions.noUnusedParameters;
var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === ts.ModuleKind.System;
var strictNullChecks = compilerOptions.strictNullChecks;
var emitResolver = createResolver();
var undefinedSymbol = createSymbol(4 | 67108864, "undefined");
undefinedSymbol.declarations = [];
var argumentsSymbol = createSymbol(4 | 67108864, "arguments");
var checker = {
getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); },
getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); },
getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; },
getTypeCount: function () { return typeCount; },
isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; },
isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; },
isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; },
getDiagnostics: getDiagnostics,
getGlobalDiagnostics: getGlobalDiagnostics,
getTypeOfSymbolAtLocation: getTypeOfSymbolAtLocation,
getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration,
getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol,
getPropertiesOfType: getPropertiesOfType,
getPropertyOfType: getPropertyOfType,
getSignaturesOfType: getSignaturesOfType,
getIndexTypeOfType: getIndexTypeOfType,
getBaseTypes: getBaseTypes,
getReturnTypeOfSignature: getReturnTypeOfSignature,
getNonNullableType: getNonNullableType,
getSymbolsInScope: getSymbolsInScope,
getSymbolAtLocation: getSymbolAtLocation,
getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol,
getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol,
getTypeAtLocation: getTypeOfNode,
getPropertySymbolOfDestructuringAssignment: getPropertySymbolOfDestructuringAssignment,
typeToString: typeToString,
getSymbolDisplayBuilder: getSymbolDisplayBuilder,
symbolToString: symbolToString,
getAugmentedPropertiesOfType: getAugmentedPropertiesOfType,
getRootSymbols: getRootSymbols,
getContextualType: getContextualType,
getFullyQualifiedName: getFullyQualifiedName,
getResolvedSignature: getResolvedSignature,
getConstantValue: getConstantValue,
isValidPropertyAccess: isValidPropertyAccess,
getSignatureFromDeclaration: getSignatureFromDeclaration,
isImplementationOfOverload: isImplementationOfOverload,
getAliasedSymbol: resolveAlias,
getEmitResolver: getEmitResolver,
getExportsOfModule: getExportsOfModuleAsArray,
getAmbientModules: getAmbientModules,
getJsxElementAttributesType: getJsxElementAttributesType,
getJsxIntrinsicTagNames: getJsxIntrinsicTagNames,
isOptionalParameter: isOptionalParameter
};
var tupleTypes = [];
var unionTypes = ts.createMap();
var intersectionTypes = ts.createMap();
var stringLiteralTypes = ts.createMap();
var numericLiteralTypes = ts.createMap();
var unknownSymbol = createSymbol(4 | 67108864, "unknown");
var resolvingSymbol = createSymbol(67108864, "__resolving__");
var anyType = createIntrinsicType(1, "any");
var unknownType = createIntrinsicType(1, "unknown");
var undefinedType = createIntrinsicType(2048, "undefined");
var undefinedWideningType = strictNullChecks ? undefinedType : createIntrinsicType(2048 | 33554432, "undefined");
var nullType = createIntrinsicType(4096, "null");
var nullWideningType = strictNullChecks ? nullType : createIntrinsicType(4096 | 33554432, "null");
var stringType = createIntrinsicType(2, "string");
var numberType = createIntrinsicType(4, "number");
var trueType = createIntrinsicType(128, "true");
var falseType = createIntrinsicType(128, "false");
var booleanType = createBooleanType([trueType, falseType]);
var esSymbolType = createIntrinsicType(512, "symbol");
var voidType = createIntrinsicType(1024, "void");
var neverType = createIntrinsicType(8192, "never");
var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
emptyGenericType.instantiations = ts.createMap();
var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
anyFunctionType.flags |= 134217728;
var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false);
var unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, undefined, 0, false, false);
var resolvingSignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, undefined, 0, false, false);
var enumNumberIndexInfo = createIndexInfo(stringType, true);
var globals = ts.createMap();
var patternAmbientModules;
var getGlobalESSymbolConstructorSymbol;
var getGlobalPromiseConstructorSymbol;
var globalObjectType;
var globalFunctionType;
var globalArrayType;
var globalReadonlyArrayType;
var globalStringType;
var globalNumberType;
var globalBooleanType;
var globalRegExpType;
var anyArrayType;
var anyReadonlyArrayType;
var getGlobalTemplateStringsArrayType;
var getGlobalESSymbolType;
var getGlobalIterableType;
var getGlobalIteratorType;
var getGlobalIterableIteratorType;
var getGlobalClassDecoratorType;
var getGlobalParameterDecoratorType;
var getGlobalPropertyDecoratorType;
var getGlobalMethodDecoratorType;
var getGlobalTypedPropertyDescriptorType;
var getGlobalPromiseType;
var tryGetGlobalPromiseType;
var getGlobalPromiseLikeType;
var getInstantiatedGlobalPromiseLikeType;
var getGlobalPromiseConstructorLikeType;
var getGlobalThenableType;
var jsxElementClassType;
var deferredNodes;
var deferredUnusedIdentifierNodes;
var flowLoopStart = 0;
var flowLoopCount = 0;
var visitedFlowCount = 0;
var emptyStringType = getLiteralTypeForText(32, "");
var zeroType = getLiteralTypeForText(64, "0");
var resolutionTargets = [];
var resolutionResults = [];
var resolutionPropertyNames = [];
var mergedSymbols = [];
var symbolLinks = [];
var nodeLinks = [];
var flowLoopCaches = [];
var flowLoopNodes = [];
var flowLoopKeys = [];
var flowLoopTypes = [];
var visitedFlowNodes = [];
var visitedFlowTypes = [];
var potentialThisCollisions = [];
var awaitedTypeStack = [];
var diagnostics = ts.createDiagnosticCollection();
var typeofEQFacts = ts.createMap({
"string": 1,
"number": 2,
"boolean": 4,
"symbol": 8,
"undefined": 16384,
"object": 16,
"function": 32
});
var typeofNEFacts = ts.createMap({
"string": 128,
"number": 256,
"boolean": 512,
"symbol": 1024,
"undefined": 131072,
"object": 2048,
"function": 4096
});
var typeofTypesByName = ts.createMap({
"string": stringType,
"number": numberType,
"boolean": booleanType,
"symbol": esSymbolType,
"undefined": undefinedType
});
var jsxElementType;
var jsxTypes = ts.createMap();
var JsxNames = {
JSX: "JSX",
IntrinsicElements: "IntrinsicElements",
ElementClass: "ElementClass",
ElementAttributesPropertyNameContainer: "ElementAttributesProperty",
Element: "Element",
IntrinsicAttributes: "IntrinsicAttributes",
IntrinsicClassAttributes: "IntrinsicClassAttributes"
};
var subtypeRelation = ts.createMap();
var assignableRelation = ts.createMap();
var comparableRelation = ts.createMap();
var identityRelation = ts.createMap();
var enumRelation = ts.createMap();
var _displayBuilder;
var builtinGlobals = ts.createMap();
builtinGlobals[undefinedSymbol.name] = undefinedSymbol;
initializeTypeChecker();
return checker;
function getEmitResolver(sourceFile, cancellationToken) {
getDiagnostics(sourceFile, cancellationToken);
return emitResolver;
}
function error(location, message, arg0, arg1, arg2) {
var diagnostic = location
? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2)
: ts.createCompilerDiagnostic(message, arg0, arg1, arg2);
diagnostics.add(diagnostic);
}
function createSymbol(flags, name) {
symbolCount++;
return new Symbol(flags, name);
}
function getExcludedSymbolFlags(flags) {
var result = 0;
if (flags & 2)
result |= 107455;
if (flags & 1)
result |= 107454;
if (flags & 4)
result |= 0;
if (flags & 8)
result |= 900095;
if (flags & 16)
result |= 106927;
if (flags & 32)
result |= 899519;
if (flags & 64)
result |= 792968;
if (flags & 256)
result |= 899327;
if (flags & 128)
result |= 899967;
if (flags & 512)
result |= 106639;
if (flags & 8192)
result |= 99263;
if (flags & 32768)
result |= 41919;
if (flags & 65536)
result |= 74687;
if (flags & 262144)
result |= 530920;
if (flags & 524288)
result |= 793064;
if (flags & 8388608)
result |= 8388608;
return result;
}
function recordMergedSymbol(target, source) {
if (!source.mergeId) {
source.mergeId = nextMergeId;
nextMergeId++;
}
mergedSymbols[source.mergeId] = target;
}
function cloneSymbol(symbol) {
var result = createSymbol(symbol.flags | 33554432, symbol.name);
result.declarations = symbol.declarations.slice(0);
result.parent = symbol.parent;
if (symbol.valueDeclaration)
result.valueDeclaration = symbol.valueDeclaration;
if (symbol.constEnumOnlyModule)
result.constEnumOnlyModule = true;
if (symbol.members)
result.members = ts.cloneMap(symbol.members);
if (symbol.exports)
result.exports = ts.cloneMap(symbol.exports);
recordMergedSymbol(result, symbol);
return result;
}
function mergeSymbol(target, source) {
if (!(target.flags & getExcludedSymbolFlags(source.flags))) {
if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
target.constEnumOnlyModule = false;
}
target.flags |= source.flags;
if (source.valueDeclaration &&
(!target.valueDeclaration ||
(target.valueDeclaration.kind === 225 && source.valueDeclaration.kind !== 225))) {
target.valueDeclaration = source.valueDeclaration;
}
ts.forEach(source.declarations, function (node) {
target.declarations.push(node);
});
if (source.members) {
if (!target.members)
target.members = ts.createMap();
mergeSymbolTable(target.members, source.members);
}
if (source.exports) {
if (!target.exports)
target.exports = ts.createMap();
mergeSymbolTable(target.exports, source.exports);
}
recordMergedSymbol(target, source);
}
else {
var message_2 = target.flags & 2 || source.flags & 2
? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0;
ts.forEach(source.declarations, function (node) {
error(node.name ? node.name : node, message_2, symbolToString(source));
});
ts.forEach(target.declarations, function (node) {
error(node.name ? node.name : node, message_2, symbolToString(source));
});
}
}
function mergeSymbolTable(target, source) {
for (var id in source) {
var targetSymbol = target[id];
if (!targetSymbol) {
target[id] = source[id];
}
else {
if (!(targetSymbol.flags & 33554432)) {
target[id] = targetSymbol = cloneSymbol(targetSymbol);
}
mergeSymbol(targetSymbol, source[id]);
}
}
}
function mergeModuleAugmentation(moduleName) {
var moduleAugmentation = moduleName.parent;
if (moduleAugmentation.symbol.declarations[0] !== moduleAugmentation) {
ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1);
return;
}
if (ts.isGlobalScopeAugmentation(moduleAugmentation)) {
mergeSymbolTable(globals, moduleAugmentation.symbol.exports);
}
else {
var moduleNotFoundError = !ts.isInAmbientContext(moduleName.parent.parent)
? ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found
: undefined;
var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, moduleNotFoundError);
if (!mainModule) {
return;
}
mainModule = resolveExternalModuleSymbol(mainModule);
if (mainModule.flags & 1920) {
mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule);
mergeSymbol(mainModule, moduleAugmentation.symbol);
}
else {
error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text);
}
}
}
function addToSymbolTable(target, source, message) {
for (var id in source) {
if (target[id]) {
ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message));
}
else {
target[id] = source[id];
}
}
function addDeclarationDiagnostic(id, message) {
return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); };
}
}
function getSymbolLinks(symbol) {
if (symbol.flags & 67108864)
return symbol;
var id = getSymbolId(symbol);
return symbolLinks[id] || (symbolLinks[id] = {});
}
function getNodeLinks(node) {
var nodeId = getNodeId(node);
return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 });
}
function isGlobalSourceFile(node) {
return node.kind === 256 && !ts.isExternalOrCommonJsModule(node);
}
function getSymbol(symbols, name, meaning) {
if (meaning) {
var symbol = symbols[name];
if (symbol) {
ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here.");
if (symbol.flags & meaning) {
return symbol;
}
if (symbol.flags & 8388608) {
var target = resolveAlias(symbol);
if (target === unknownSymbol || target.flags & meaning) {
return symbol;
}
}
}
}
}
function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) {
var constructorDeclaration = parameter.parent;
var classDeclaration = parameter.parent.parent;
var parameterSymbol = getSymbol(constructorDeclaration.locals, parameterName, 107455);
var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455);
if (parameterSymbol && propertySymbol) {
return [parameterSymbol, propertySymbol];
}
ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration");
}
function isBlockScopedNameDeclaredBeforeUse(declaration, usage) {
var declarationFile = ts.getSourceFileOfNode(declaration);
var useFile = ts.getSourceFileOfNode(usage);
if (declarationFile !== useFile) {
if ((modulekind && (declarationFile.externalModuleIndicator || useFile.externalModuleIndicator)) ||
(!compilerOptions.outFile && !compilerOptions.out)) {
return true;
}
var sourceFiles = host.getSourceFiles();
return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile);
}
if (declaration.pos <= usage.pos) {
return declaration.kind !== 218 ||
!isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage);
}
return isUsedInFunctionOrNonStaticProperty(declaration, usage);
function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) {
var container = ts.getEnclosingBlockScopeContainer(declaration);
switch (declaration.parent.parent.kind) {
case 200:
case 206:
case 208:
if (isSameScopeDescendentOf(usage, declaration, container)) {
return true;
}
break;
}
switch (declaration.parent.parent.kind) {
case 207:
case 208:
if (isSameScopeDescendentOf(usage, declaration.parent.parent.expression, container)) {
return true;
}
}
return false;
}
function isUsedInFunctionOrNonStaticProperty(declaration, usage) {
var container = ts.getEnclosingBlockScopeContainer(declaration);
var current = usage;
while (current) {
if (current === container) {
return false;
}
if (ts.isFunctionLike(current)) {
return true;
}
var initializerOfNonStaticProperty = current.parent &&
current.parent.kind === 145 &&
(current.parent.flags & 32) === 0 &&
current.parent.initializer === current;
if (initializerOfNonStaticProperty) {
return true;
}
current = current.parent;
}
return false;
}
}
function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) {
var result;
var lastLocation;
var propertyWithInvalidInitializer;
var errorLocation = location;
var grandparent;
var isInExternalModule = false;
loop: while (location) {
if (location.locals && !isGlobalSourceFile(location)) {
if (result = getSymbol(location.locals, name, meaning)) {
var useResult = true;
if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) {
if (meaning & result.flags & 793064 && lastLocation.kind !== 273) {
useResult = result.flags & 262144
? lastLocation === location.type ||
lastLocation.kind === 142 ||
lastLocation.kind === 141
: false;
}
if (meaning & 107455 && result.flags & 1) {
useResult =
lastLocation.kind === 142 ||
(lastLocation === location.type &&
result.valueDeclaration.kind === 142);
}
}
if (useResult) {
break loop;
}
else {
result = undefined;
}
}
}
switch (location.kind) {
case 256:
if (!ts.isExternalOrCommonJsModule(location))
break;
isInExternalModule = true;
case 225:
var moduleExports = getSymbolOfNode(location).exports;
if (location.kind === 256 || ts.isAmbientModule(location)) {
if (result = moduleExports["default"]) {
var localSymbol = ts.getLocalSymbolForExportDefault(result);
if (localSymbol && (result.flags & meaning) && localSymbol.name === name) {
break loop;
}
result = undefined;
}
if (moduleExports[name] &&
moduleExports[name].flags === 8388608 &&
ts.getDeclarationOfKind(moduleExports[name], 238)) {
break;
}
}
if (result = getSymbol(moduleExports, name, meaning & 8914931)) {
break loop;
}
break;
case 224:
if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) {
break loop;
}
break;
case 145:
case 144:
if (ts.isClassLike(location.parent) && !(location.flags & 32)) {
var ctor = findConstructorDeclaration(location.parent);
if (ctor && ctor.locals) {
if (getSymbol(ctor.locals, name, meaning & 107455)) {
propertyWithInvalidInitializer = location;
}
}
}
break;
case 221:
case 192:
case 222:
if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793064)) {
if (lastLocation && lastLocation.flags & 32) {
error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters);
return undefined;
}
break loop;
}
if (location.kind === 192 && meaning & 32) {
var className = location.name;
if (className && name === className.text) {
result = location.symbol;
break loop;
}
}
break;
case 140:
grandparent = location.parent.parent;
if (ts.isClassLike(grandparent) || grandparent.kind === 222) {
if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793064)) {
error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type);
return undefined;
}
}
break;
case 147:
case 146:
case 148:
case 149:
case 150:
case 220:
case 180:
if (meaning & 3 && name === "arguments") {
result = argumentsSymbol;
break loop;
}
break;
case 179:
if (meaning & 3 && name === "arguments") {
result = argumentsSymbol;
break loop;
}
if (meaning & 16) {
var functionName = location.name;
if (functionName && name === functionName.text) {
result = location.symbol;
break loop;
}
}
break;
case 143:
if (location.parent && location.parent.kind === 142) {
location = location.parent;
}
if (location.parent && ts.isClassElement(location.parent)) {
location = location.parent;
}
break;
}
lastLocation = location;
location = location.parent;
}
if (result && nameNotFoundMessage && noUnusedIdentifiers) {
result.isReferenced = true;
}
if (!result) {
result = getSymbol(globals, name, meaning);
}
if (!result) {
if (nameNotFoundMessage) {
if (!errorLocation ||
!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) &&
!checkAndReportErrorForExtendingInterface(errorLocation)) {
error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
}
}
return undefined;
}
if (nameNotFoundMessage) {
if (propertyWithInvalidInitializer) {
var propertyName = propertyWithInvalidInitializer.name;
error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
return undefined;
}
if (meaning & 2) {
var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result);
if (exportOrLocalSymbol.flags & 2) {
checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation);
}
}
if (result && isInExternalModule && (meaning & 107455) === 107455) {
var decls = result.declarations;
if (decls && decls.length === 1 && decls[0].kind === 228) {
error(errorLocation, ts.Diagnostics.Identifier_0_must_be_imported_from_a_module, name);
}
}
}
return result;
}
function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) {
if ((errorLocation.kind === 69 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) {
return false;
}
var container = ts.getThisContainer(errorLocation, true);
var location = container;
while (location) {
if (ts.isClassLike(location.parent)) {
var classSymbol = getSymbolOfNode(location.parent);
if (!classSymbol) {
break;
}
var constructorType = getTypeOfSymbol(classSymbol);
if (getPropertyOfType(constructorType, name)) {
error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol));
return true;
}
if (location === container && !(location.flags & 32)) {
var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType;
if (getPropertyOfType(instanceType, name)) {
error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
return true;
}
}
}
location = location.parent;
}
return false;
}
function checkAndReportErrorForExtendingInterface(errorLocation) {
var expression = getEntityNameForExtendingInterface(errorLocation);
var isError = !!(expression && resolveEntityName(expression, 64, true));
if (isError) {
error(errorLocation, ts.Diagnostics.Cannot_extend_an_interface_0_Did_you_mean_implements, ts.getTextOfNode(expression));
}
return isError;
}
function getEntityNameForExtendingInterface(node) {
switch (node.kind) {
case 69:
case 172:
return node.parent ? getEntityNameForExtendingInterface(node.parent) : undefined;
case 194:
ts.Debug.assert(ts.isEntityNameExpression(node.expression));
return node.expression;
default:
return undefined;
}
}
function checkResolvedBlockScopedVariable(result, errorLocation) {
ts.Debug.assert((result.flags & 2) !== 0);
var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; });
ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined");
if (!ts.isInAmbientContext(declaration) && !isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 218), errorLocation)) {
error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name));
}
}
function isSameScopeDescendentOf(initial, parent, stopAt) {
if (!parent) {
return false;
}
for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) {
if (current === parent) {
return true;
}
}
return false;
}
function getAnyImportSyntax(node) {
if (ts.isAliasSymbolDeclaration(node)) {
if (node.kind === 229) {
return node;
}
while (node && node.kind !== 230) {
node = node.parent;
}
return node;
}
}
function getDeclarationOfAliasSymbol(symbol) {
return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; });
}
function getTargetOfImportEqualsDeclaration(node) {
if (node.moduleReference.kind === 240) {
return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node)));
}
return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node);
}
function getTargetOfImportClause(node) {
var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier);
if (moduleSymbol) {
var exportDefaultSymbol = ts.isShorthandAmbientModuleSymbol(moduleSymbol) ?
moduleSymbol :
moduleSymbol.exports["export="] ?
getPropertyOfType(getTypeOfSymbol(moduleSymbol.exports["export="]), "default") :
resolveSymbol(moduleSymbol.exports["default"]);
if (!exportDefaultSymbol && !allowSyntheticDefaultImports) {
error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol));
}
else if (!exportDefaultSymbol && allowSyntheticDefaultImports) {
return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol);
}
return exportDefaultSymbol;
}
}
function getTargetOfNamespaceImport(node) {
var moduleSpecifier = node.parent.parent.moduleSpecifier;
return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier);
}
function combineValueAndTypeSymbols(valueSymbol, typeSymbol) {
if (valueSymbol.flags & (793064 | 1920)) {
return valueSymbol;
}
var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name);
result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations);
result.parent = valueSymbol.parent || typeSymbol.parent;
if (valueSymbol.valueDeclaration)
result.valueDeclaration = valueSymbol.valueDeclaration;
if (typeSymbol.members)
result.members = typeSymbol.members;
if (valueSymbol.exports)
result.exports = valueSymbol.exports;
return result;
}
function getExportOfModule(symbol, name) {
if (symbol.flags & 1536) {
var exportedSymbol = getExportsOfSymbol(symbol)[name];
if (exportedSymbol) {
return resolveSymbol(exportedSymbol);
}
}
}
function getPropertyOfVariable(symbol, name) {
if (symbol.flags & 3) {
var typeAnnotation = symbol.valueDeclaration.type;
if (typeAnnotation) {
return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name));
}
}
}
function getExternalModuleMember(node, specifier) {
var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier);
var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier);
if (targetSymbol) {
var name_10 = specifier.propertyName || specifier.name;
if (name_10.text) {
if (ts.isShorthandAmbientModuleSymbol(moduleSymbol)) {
return moduleSymbol;
}
var symbolFromVariable = void 0;
if (moduleSymbol && moduleSymbol.exports && moduleSymbol.exports["export="]) {
symbolFromVariable = getPropertyOfType(getTypeOfSymbol(targetSymbol), name_10.text);
}
else {
symbolFromVariable = getPropertyOfVariable(targetSymbol, name_10.text);
}
symbolFromVariable = resolveSymbol(symbolFromVariable);
var symbolFromModule = getExportOfModule(targetSymbol, name_10.text);
if (!symbolFromModule && allowSyntheticDefaultImports && name_10.text === "default") {
symbolFromModule = resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol);
}
var symbol = symbolFromModule && symbolFromVariable ?
combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) :
symbolFromModule || symbolFromVariable;
if (!symbol) {
error(name_10, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_10));
}
return symbol;
}
}
}
function getTargetOfImportSpecifier(node) {
return getExternalModuleMember(node.parent.parent.parent, node);
}
function getTargetOfNamespaceExportDeclaration(node) {
return resolveExternalModuleSymbol(node.parent.symbol);
}
function getTargetOfExportSpecifier(node) {
return node.parent.parent.moduleSpecifier ?
getExternalModuleMember(node.parent.parent, node) :
resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920);
}
function getTargetOfExportAssignment(node) {
return resolveEntityName(node.expression, 107455 | 793064 | 1920);
}
function getTargetOfAliasDeclaration(node) {
switch (node.kind) {
case 229:
return getTargetOfImportEqualsDeclaration(node);
case 231:
return getTargetOfImportClause(node);
case 232:
return getTargetOfNamespaceImport(node);
case 234:
return getTargetOfImportSpecifier(node);
case 238:
return getTargetOfExportSpecifier(node);
case 235:
return getTargetOfExportAssignment(node);
case 228:
return getTargetOfNamespaceExportDeclaration(node);
}
}
function resolveSymbol(symbol) {
return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793064 | 1920)) ? resolveAlias(symbol) : symbol;
}
function resolveAlias(symbol) {
ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here.");
var links = getSymbolLinks(symbol);
if (!links.target) {
links.target = resolvingSymbol;
var node = getDeclarationOfAliasSymbol(symbol);
ts.Debug.assert(!!node);
var target = getTargetOfAliasDeclaration(node);
if (links.target === resolvingSymbol) {
links.target = target || unknownSymbol;
}
else {
error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol));
}
}
else if (links.target === resolvingSymbol) {
links.target = unknownSymbol;
}
return links.target;
}
function markExportAsReferenced(node) {
var symbol = getSymbolOfNode(node);
var target = resolveAlias(symbol);
if (target) {
var markAlias = target === unknownSymbol ||
((target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target));
if (markAlias) {
markAliasSymbolAsReferenced(symbol);
}
}
}
function markAliasSymbolAsReferenced(symbol) {
var links = getSymbolLinks(symbol);
if (!links.referenced) {
links.referenced = true;
var node = getDeclarationOfAliasSymbol(symbol);
ts.Debug.assert(!!node);
if (node.kind === 235) {
checkExpressionCached(node.expression);
}
else if (node.kind === 238) {
checkExpressionCached(node.propertyName || node.name);
}
else if (ts.isInternalModuleImportEqualsDeclaration(node)) {
checkExpressionCached(node.moduleReference);
}
}
}
function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration, dontResolveAlias) {
if (entityName.kind === 69 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) {
entityName = entityName.parent;
}
if (entityName.kind === 69 || entityName.parent.kind === 139) {
return resolveEntityName(entityName, 1920, false, dontResolveAlias);
}
else {
ts.Debug.assert(entityName.parent.kind === 229);
return resolveEntityName(entityName, 107455 | 793064 | 1920, false, dontResolveAlias);
}
}
function getFullyQualifiedName(symbol) {
return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol);
}
function resolveEntityName(name, meaning, ignoreErrors, dontResolveAlias) {
if (ts.nodeIsMissing(name)) {
return undefined;
}
var symbol;
if (name.kind === 69) {
var message = meaning === 1920 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0;
symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name);
if (!symbol) {
return undefined;
}
}
else if (name.kind === 139 || name.kind === 172) {
var left = name.kind === 139 ? name.left : name.expression;
var right = name.kind === 139 ? name.right : name.name;
var namespace = resolveEntityName(left, 1920, ignoreErrors);
if (!namespace || ts.nodeIsMissing(right)) {
return undefined;
}
else if (namespace === unknownSymbol) {
return namespace;
}
symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning);
if (!symbol) {
if (!ignoreErrors) {
error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right));
}
return undefined;
}
}
else {
ts.Debug.fail("Unknown entity name kind.");
}
ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here.");
return (symbol.flags & meaning) || dontResolveAlias ? symbol : resolveAlias(symbol);
}
function resolveExternalModuleName(location, moduleReferenceExpression) {
return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0);
}
function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) {
if (moduleReferenceExpression.kind !== 9) {
return;
}
var moduleReferenceLiteral = moduleReferenceExpression;
var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text);
if (moduleName === undefined) {
return;
}
var isRelative = ts.isExternalModuleNameRelative(moduleName);
if (!isRelative) {
var symbol = getSymbol(globals, '"' + moduleName + '"', 512);
if (symbol) {
return getMergedSymbol(symbol);
}
}
var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text);
var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName);
if (sourceFile) {
if (sourceFile.symbol) {
return getMergedSymbol(sourceFile.symbol);
}
if (moduleNotFoundError) {
error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName);
}
return undefined;
}
if (patternAmbientModules) {
var pattern = ts.findBestPatternMatch(patternAmbientModules, function (_) { return _.pattern; }, moduleName);
if (pattern) {
return getMergedSymbol(pattern.symbol);
}
}
if (moduleNotFoundError) {
var tsExtension = ts.tryExtractTypeScriptExtension(moduleName);
if (tsExtension) {
var diag = ts.Diagnostics.An_import_path_cannot_end_with_a_0_extension_Consider_importing_1_instead;
error(moduleReferenceLiteral, diag, tsExtension, ts.removeExtension(moduleName, tsExtension));
}
else {
error(moduleReferenceLiteral, moduleNotFoundError, moduleName);
}
}
return undefined;
}
function resolveExternalModuleSymbol(moduleSymbol) {
return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol;
}
function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) {
var symbol = resolveExternalModuleSymbol(moduleSymbol);
if (symbol && !(symbol.flags & (1536 | 3))) {
error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol));
symbol = undefined;
}
return symbol;
}
function hasExportAssignmentSymbol(moduleSymbol) {
return moduleSymbol.exports["export="] !== undefined;
}
function getExportsOfModuleAsArray(moduleSymbol) {
return symbolsToArray(getExportsOfModule(moduleSymbol));
}
function getExportsOfSymbol(symbol) {
return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols;
}
function getExportsOfModule(moduleSymbol) {
var links = getSymbolLinks(moduleSymbol);
return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol));
}
function extendExportSymbols(target, source, lookupTable, exportNode) {
for (var id in source) {
if (id !== "default" && !target[id]) {
target[id] = source[id];
if (lookupTable && exportNode) {
lookupTable[id] = {
specifierText: ts.getTextOfNode(exportNode.moduleSpecifier)
};
}
}
else if (lookupTable && exportNode && id !== "default" && target[id] && resolveSymbol(target[id]) !== resolveSymbol(source[id])) {
if (!lookupTable[id].exportsWithDuplicate) {
lookupTable[id].exportsWithDuplicate = [exportNode];
}
else {
lookupTable[id].exportsWithDuplicate.push(exportNode);
}
}
}
}
function getExportsForModule(moduleSymbol) {
var visitedSymbols = [];
return visit(moduleSymbol) || moduleSymbol.exports;
function visit(symbol) {
if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) {
return;
}
visitedSymbols.push(symbol);
var symbols = ts.cloneMap(symbol.exports);
var exportStars = symbol.exports["__export"];
if (exportStars) {
var nestedSymbols = ts.createMap();
var lookupTable = ts.createMap();
for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) {
var node = _a[_i];
var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier);
var exportedSymbols = visit(resolvedModule);
extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node);
}
for (var id in lookupTable) {
var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate;
if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || symbols[id]) {
continue;
}
for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) {
var node = exportsWithDuplicate_1[_b];
diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id));
}
}
extendExportSymbols(symbols, nestedSymbols);
}
return symbols;
}
}
function getMergedSymbol(symbol) {
var merged;
return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol;
}
function getSymbolOfNode(node) {
return getMergedSymbol(node.symbol);
}
function getParentOfSymbol(symbol) {
return getMergedSymbol(symbol.parent);
}
function getExportSymbolOfValueSymbolIfExported(symbol) {
return symbol && (symbol.flags & 1048576) !== 0
? getMergedSymbol(symbol.exportSymbol)
: symbol;
}
function symbolIsValue(symbol) {
if (symbol.flags & 16777216) {
return symbolIsValue(getSymbolLinks(symbol).target);
}
if (symbol.flags & 107455) {
return true;
}
if (symbol.flags & 8388608) {
return (resolveAlias(symbol).flags & 107455) !== 0;
}
return false;
}
function findConstructorDeclaration(node) {
var members = node.members;
for (var _i = 0, members_1 = members; _i < members_1.length; _i++) {
var member = members_1[_i];
if (member.kind === 148 && ts.nodeIsPresent(member.body)) {
return member;
}
}
}
function createType(flags) {
var result = new Type(checker, flags);
typeCount++;
result.id = typeCount;
return result;
}
function createIntrinsicType(kind, intrinsicName) {
var type = createType(kind);
type.intrinsicName = intrinsicName;
return type;
}
function createBooleanType(trueFalseTypes) {
var type = getUnionType(trueFalseTypes);
type.flags |= 8;
type.intrinsicName = "boolean";
return type;
}
function createObjectType(kind, symbol) {
var type = createType(kind);
type.symbol = symbol;
return type;
}
function isReservedMemberName(name) {
return name.charCodeAt(0) === 95 &&
name.charCodeAt(1) === 95 &&
name.charCodeAt(2) !== 95 &&
name.charCodeAt(2) !== 64;
}
function getNamedMembers(members) {
var result;
for (var id in members) {
if (!isReservedMemberName(id)) {
if (!result)
result = [];
var symbol = members[id];
if (symbolIsValue(symbol)) {
result.push(symbol);
}
}
}
return result || emptyArray;
}
function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) {
type.members = members;
type.properties = getNamedMembers(members);
type.callSignatures = callSignatures;
type.constructSignatures = constructSignatures;
if (stringIndexInfo)
type.stringIndexInfo = stringIndexInfo;
if (numberIndexInfo)
type.numberIndexInfo = numberIndexInfo;
return type;
}
function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo) {
return setObjectTypeMembers(createObjectType(2097152, symbol), members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
}
function forEachSymbolTableInScope(enclosingDeclaration, callback) {
var result;
for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) {
if (location_1.locals && !isGlobalSourceFile(location_1)) {
if (result = callback(location_1.locals)) {
return result;
}
}
switch (location_1.kind) {
case 256:
if (!ts.isExternalOrCommonJsModule(location_1)) {
break;
}
case 225:
if (result = callback(getSymbolOfNode(location_1).exports)) {
return result;
}
break;
}
}
return callback(globals);
}
function getQualifiedLeftMeaning(rightMeaning) {
return rightMeaning === 107455 ? 107455 : 1920;
}
function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) {
function getAccessibleSymbolChainFromSymbolTable(symbols) {
function canQualifySymbol(symbolFromSymbolTable, meaning) {
if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) {
return true;
}
var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing);
return !!accessibleParent;
}
function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) {
if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) {
return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) &&
canQualifySymbol(symbolFromSymbolTable, meaning);
}
}
if (isAccessible(symbols[symbol.name])) {
return [symbol];
}
return ts.forEachProperty(symbols, function (symbolFromSymbolTable) {
if (symbolFromSymbolTable.flags & 8388608
&& symbolFromSymbolTable.name !== "export="
&& !ts.getDeclarationOfKind(symbolFromSymbolTable, 238)) {
if (!useOnlyExternalAliasing ||
ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) {
var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable);
if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) {
return [symbolFromSymbolTable];
}
var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined;
if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) {
return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports);
}
}
}
});
}
if (symbol) {
if (!(isPropertyOrMethodDeclarationSymbol(symbol))) {
return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable);
}
}
}
function needsQualification(symbol, enclosingDeclaration, meaning) {
var qualify = false;
forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) {
var symbolFromSymbolTable = symbolTable[symbol.name];
if (!symbolFromSymbolTable) {
return false;
}
if (symbolFromSymbolTable === symbol) {
return true;
}
symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 238)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable;
if (symbolFromSymbolTable.flags & meaning) {
qualify = true;
return true;
}
return false;
});
return qualify;
}
function isPropertyOrMethodDeclarationSymbol(symbol) {
if (symbol.declarations && symbol.declarations.length) {
for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
var declaration = _a[_i];
switch (declaration.kind) {
case 145:
case 147:
case 149:
case 150:
continue;
default:
return false;
}
}
return true;
}
return false;
}
function isSymbolAccessible(symbol, enclosingDeclaration, meaning, shouldComputeAliasesToMakeVisible) {
if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) {
var initialSymbol = symbol;
var meaningToLook = meaning;
while (symbol) {
var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false);
if (accessibleSymbolChain) {
var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0], shouldComputeAliasesToMakeVisible);
if (!hasAccessibleDeclarations) {
return {
accessibility: 1,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning),
errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1920) : undefined
};
}
return hasAccessibleDeclarations;
}
meaningToLook = getQualifiedLeftMeaning(meaning);
symbol = getParentOfSymbol(symbol);
}
var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer);
if (symbolExternalModule) {
var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration);
if (symbolExternalModule !== enclosingExternalModule) {
return {
accessibility: 2,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning),
errorModuleName: symbolToString(symbolExternalModule)
};
}
}
return {
accessibility: 1,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning)
};
}
return { accessibility: 0 };
function getExternalModuleContainer(declaration) {
for (; declaration; declaration = declaration.parent) {
if (hasExternalModuleSymbol(declaration)) {
return getSymbolOfNode(declaration);
}
}
}
}
function hasExternalModuleSymbol(declaration) {
return ts.isAmbientModule(declaration) || (declaration.kind === 256 && ts.isExternalOrCommonJsModule(declaration));
}
function hasVisibleDeclarations(symbol, shouldComputeAliasToMakeVisible) {
var aliasesToMakeVisible;
if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) {
return undefined;
}
return { accessibility: 0, aliasesToMakeVisible: aliasesToMakeVisible };
function getIsDeclarationVisible(declaration) {
if (!isDeclarationVisible(declaration)) {
var anyImportSyntax = getAnyImportSyntax(declaration);
if (anyImportSyntax &&
!(anyImportSyntax.flags & 1) &&
isDeclarationVisible(anyImportSyntax.parent)) {
if (shouldComputeAliasToMakeVisible) {
getNodeLinks(declaration).isVisible = true;
if (aliasesToMakeVisible) {
if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) {
aliasesToMakeVisible.push(anyImportSyntax);
}
}
else {
aliasesToMakeVisible = [anyImportSyntax];
}
}
return true;
}
return false;
}
return true;
}
}
function isEntityNameVisible(entityName, enclosingDeclaration) {
var meaning;
if (entityName.parent.kind === 158 || ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) {
meaning = 107455 | 1048576;
}
else if (entityName.kind === 139 || entityName.kind === 172 ||
entityName.parent.kind === 229) {
meaning = 1920;
}
else {
meaning = 793064;
}
var firstIdentifier = getFirstIdentifier(entityName);
var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined);
return (symbol && hasVisibleDeclarations(symbol, true)) || {
accessibility: 1,
errorSymbolName: ts.getTextOfNode(firstIdentifier),
errorNode: firstIdentifier
};
}
function writeKeyword(writer, kind) {
writer.writeKeyword(ts.tokenToString(kind));
}
function writePunctuation(writer, kind) {
writer.writePunctuation(ts.tokenToString(kind));
}
function writeSpace(writer) {
writer.writeSpace(" ");
}
function symbolToString(symbol, enclosingDeclaration, meaning) {
var writer = ts.getSingleLineStringWriter();
getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning);
var result = writer.string();
ts.releaseStringWriter(writer);
return result;
}
function signatureToString(signature, enclosingDeclaration, flags, kind) {
var writer = ts.getSingleLineStringWriter();
getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind);
var result = writer.string();
ts.releaseStringWriter(writer);
return result;
}
function typeToString(type, enclosingDeclaration, flags) {
var writer = ts.getSingleLineStringWriter();
getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
var result = writer.string();
ts.releaseStringWriter(writer);
var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100;
if (maxLength && result.length >= maxLength) {
result = result.substr(0, maxLength - "...".length) + "...";
}
return result;
}
function typePredicateToString(typePredicate, enclosingDeclaration, flags) {
var writer = ts.getSingleLineStringWriter();
getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags);
var result = writer.string();
ts.releaseStringWriter(writer);
return result;
}
function formatUnionTypes(types) {
var result = [];
var flags = 0;
for (var i = 0; i < types.length; i++) {
var t = types[i];
flags |= t.flags;
if (!(t.flags & 6144)) {
if (t.flags & (128 | 256)) {
var baseType = t.flags & 128 ? booleanType : t.baseType;
var count = baseType.types.length;
if (i + count <= types.length && types[i + count - 1] === baseType.types[count - 1]) {
result.push(baseType);
i += count - 1;
continue;
}
}
result.push(t);
}
}
if (flags & 4096)
result.push(nullType);
if (flags & 2048)
result.push(undefinedType);
return result || types;
}
function visibilityToString(flags) {
if (flags === 8) {
return "private";
}
if (flags === 16) {
return "protected";
}
return "public";
}
function getTypeAliasForTypeLiteral(type) {
if (type.symbol && type.symbol.flags & 2048) {
var node = type.symbol.declarations[0].parent;
while (node.kind === 164) {
node = node.parent;
}
if (node.kind === 223) {
return getSymbolOfNode(node);
}
}
return undefined;
}
function isTopLevelInExternalModuleAugmentation(node) {
return node && node.parent &&
node.parent.kind === 226 &&
ts.isExternalModuleAugmentation(node.parent.parent);
}
function getSymbolDisplayBuilder() {
function getNameOfSymbol(symbol) {
if (symbol.declarations && symbol.declarations.length) {
var declaration = symbol.declarations[0];
if (declaration.name) {
return ts.declarationNameToString(declaration.name);
}
switch (declaration.kind) {
case 192:
return "(Anonymous class)";
case 179:
case 180:
return "(Anonymous function)";
}
}
return symbol.name;
}
function appendSymbolNameOnly(symbol, writer) {
writer.writeSymbol(getNameOfSymbol(symbol), symbol);
}
function appendPropertyOrElementAccessForSymbol(symbol, writer) {
var symbolName = getNameOfSymbol(symbol);
var firstChar = symbolName.charCodeAt(0);
var needsElementAccess = !ts.isIdentifierStart(firstChar, languageVersion);
if (needsElementAccess) {
writePunctuation(writer, 19);
if (ts.isSingleOrDoubleQuote(firstChar)) {
writer.writeStringLiteral(symbolName);
}
else {
writer.writeSymbol(symbolName, symbol);
}
writePunctuation(writer, 20);
}
else {
writePunctuation(writer, 21);
writer.writeSymbol(symbolName, symbol);
}
}
function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) {
var parentSymbol;
function appendParentTypeArgumentsAndSymbolName(symbol) {
if (parentSymbol) {
if (flags & 1) {
if (symbol.flags & 16777216) {
buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration);
}
else {
buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration);
}
}
appendPropertyOrElementAccessForSymbol(symbol, writer);
}
else {
appendSymbolNameOnly(symbol, writer);
}
parentSymbol = symbol;
}
writer.trackSymbol(symbol, enclosingDeclaration, meaning);
function walkSymbol(symbol, meaning) {
if (symbol) {
var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2));
if (!accessibleSymbolChain ||
needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) {
walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning));
}
if (accessibleSymbolChain) {
for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) {
var accessibleSymbol = accessibleSymbolChain_1[_i];
appendParentTypeArgumentsAndSymbolName(accessibleSymbol);
}
}
else {
if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) {
return;
}
if (symbol.flags & 2048 || symbol.flags & 4096) {
return;
}
appendParentTypeArgumentsAndSymbolName(symbol);
}
}
}
var isTypeParameter = symbol.flags & 262144;
var typeFormatFlag = 128 & typeFlags;
if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) {
walkSymbol(symbol, meaning);
return;
}
return appendParentTypeArgumentsAndSymbolName(symbol);
}
function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) {
var globalFlagsToPass = globalFlags & 16;
var inObjectTypeLiteral = false;
return writeType(type, globalFlags);
function writeType(type, flags) {
var nextFlags = flags & ~512;
if (type.flags & 16015) {
writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type)
? "any"
: type.intrinsicName);
}
else if (type.flags & 268435456) {
if (inObjectTypeLiteral) {
writer.reportInaccessibleThisError();
}
writer.writeKeyword("this");
}
else if (type.flags & 131072) {
writeTypeReference(type, nextFlags);
}
else if (type.flags & 256) {
buildSymbolDisplay(getParentOfSymbol(type.symbol), writer, enclosingDeclaration, 793064, 0, nextFlags);
writePunctuation(writer, 21);
appendSymbolNameOnly(type.symbol, writer);
}
else if (type.flags & (32768 | 65536 | 16 | 16384)) {
buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793064, 0, nextFlags);
}
else if (!(flags & 512) && ((type.flags & 2097152 && !type.target) || type.flags & 1572864) && type.aliasSymbol &&
isSymbolAccessible(type.aliasSymbol, enclosingDeclaration, 793064, false).accessibility === 0) {
var typeArguments = type.aliasTypeArguments;
writeSymbolTypeReference(type.aliasSymbol, typeArguments, 0, typeArguments ? typeArguments.length : 0, nextFlags);
}
else if (type.flags & 1572864) {
writeUnionOrIntersectionType(type, nextFlags);
}
else if (type.flags & 2097152) {
writeAnonymousType(type, nextFlags);
}
else if (type.flags & 32) {
writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\"");
}
else if (type.flags & 64) {
writer.writeStringLiteral(type.text);
}
else {
writePunctuation(writer, 15);
writeSpace(writer);
writePunctuation(writer, 22);
writeSpace(writer);
writePunctuation(writer, 16);
}
}
function writeTypeList(types, delimiter) {
for (var i = 0; i < types.length; i++) {
if (i > 0) {
if (delimiter !== 24) {
writeSpace(writer);
}
writePunctuation(writer, delimiter);
writeSpace(writer);
}
writeType(types[i], delimiter === 24 ? 0 : 64);
}
}
function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) {
if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) {
buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793064, 0, flags);
}
if (pos < end) {
writePunctuation(writer, 25);
writeType(typeArguments[pos], 256);
pos++;
while (pos < end) {
writePunctuation(writer, 24);
writeSpace(writer);
writeType(typeArguments[pos], 0);
pos++;
}
writePunctuation(writer, 27);
}
}
function writeTypeReference(type, flags) {
var typeArguments = type.typeArguments || emptyArray;
if (type.target === globalArrayType && !(flags & 1)) {
writeType(typeArguments[0], 64);
writePunctuation(writer, 19);
writePunctuation(writer, 20);
}
else if (type.target.flags & 262144) {
writePunctuation(writer, 19);
writeTypeList(type.typeArguments.slice(0, getTypeReferenceArity(type)), 24);
writePunctuation(writer, 20);
}
else {
var outerTypeParameters = type.target.outerTypeParameters;
var i = 0;
if (outerTypeParameters) {
var length_1 = outerTypeParameters.length;
while (i < length_1) {
var start = i;
var parent_7 = getParentSymbolOfTypeParameter(outerTypeParameters[i]);
do {
i++;
} while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_7);
if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) {
writeSymbolTypeReference(parent_7, typeArguments, start, i, flags);
writePunctuation(writer, 21);
}
}
}
var typeParameterCount = (type.target.typeParameters || emptyArray).length;
writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags);
}
}
function writeUnionOrIntersectionType(type, flags) {
if (flags & 64) {
writePunctuation(writer, 17);
}
if (type.flags & 524288) {
writeTypeList(formatUnionTypes(type.types), 47);
}
else {
writeTypeList(type.types, 46);
}
if (flags & 64) {
writePunctuation(writer, 18);
}
}
function writeAnonymousType(type, flags) {
var symbol = type.symbol;
if (symbol) {
if (symbol.flags & (32 | 384 | 512)) {
writeTypeOfSymbol(type, flags);
}
else if (shouldWriteTypeOfFunctionSymbol()) {
writeTypeOfSymbol(type, flags);
}
else if (ts.contains(symbolStack, symbol)) {
var typeAlias = getTypeAliasForTypeLiteral(type);
if (typeAlias) {
buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793064, 0, flags);
}
else {
writeKeyword(writer, 117);
}
}
else {
if (!symbolStack) {
symbolStack = [];
}
symbolStack.push(symbol);
writeLiteralType(type, flags);
symbolStack.pop();
}
}
else {
writeLiteralType(type, flags);
}
function shouldWriteTypeOfFunctionSymbol() {
var isStaticMethodSymbol = !!(symbol.flags & 8192 &&
ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 32; }));
var isNonLocalFunctionSymbol = !!(symbol.flags & 16) &&
(symbol.parent ||
ts.forEach(symbol.declarations, function (declaration) {
return declaration.parent.kind === 256 || declaration.parent.kind === 226;
}));
if (isStaticMethodSymbol || isNonLocalFunctionSymbol) {
return !!(flags & 2) ||
(ts.contains(symbolStack, symbol));
}
}
}
function writeTypeOfSymbol(type, typeFormatFlags) {
writeKeyword(writer, 101);
writeSpace(writer);
buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags);
}
function writeIndexSignature(info, keyword) {
if (info) {
if (info.isReadonly) {
writeKeyword(writer, 128);
writeSpace(writer);
}
writePunctuation(writer, 19);
writer.writeParameter(info.declaration ? ts.declarationNameToString(info.declaration.parameters[0].name) : "x");
writePunctuation(writer, 54);
writeSpace(writer);
writeKeyword(writer, keyword);
writePunctuation(writer, 20);
writePunctuation(writer, 54);
writeSpace(writer);
writeType(info.type, 0);
writePunctuation(writer, 23);
writer.writeLine();
}
}
function writePropertyWithModifiers(prop) {
if (isReadonlySymbol(prop)) {
writeKeyword(writer, 128);
writeSpace(writer);
}
buildSymbolDisplay(prop, writer);
if (prop.flags & 536870912) {
writePunctuation(writer, 53);
}
}
function shouldAddParenthesisAroundFunctionType(callSignature, flags) {
if (flags & 64) {
return true;
}
else if (flags & 256) {
var typeParameters = callSignature.target && (flags & 32) ?
callSignature.target.typeParameters : callSignature.typeParameters;
return typeParameters && typeParameters.length !== 0;
}
return false;
}
function writeLiteralType(type, flags) {
var resolved = resolveStructuredTypeMembers(type);
if (!resolved.properties.length && !resolved.stringIndexInfo && !resolved.numberIndexInfo) {
if (!resolved.callSignatures.length && !resolved.constructSignatures.length) {
writePunctuation(writer, 15);
writePunctuation(writer, 16);
return;
}
if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) {
var parenthesizeSignature = shouldAddParenthesisAroundFunctionType(resolved.callSignatures[0], flags);
if (parenthesizeSignature) {
writePunctuation(writer, 17);
}
buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack);
if (parenthesizeSignature) {
writePunctuation(writer, 18);
}
return;
}
if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) {
if (flags & 64) {
writePunctuation(writer, 17);
}
writeKeyword(writer, 92);
writeSpace(writer);
buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack);
if (flags & 64) {
writePunctuation(writer, 18);
}
return;
}
}
var saveInObjectTypeLiteral = inObjectTypeLiteral;
inObjectTypeLiteral = true;
writePunctuation(writer, 15);
writer.writeLine();
writer.increaseIndent();
for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) {
var signature = _a[_i];
buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack);
writePunctuation(writer, 23);
writer.writeLine();
}
for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) {
var signature = _c[_b];
buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack);
writePunctuation(writer, 23);
writer.writeLine();
}
writeIndexSignature(resolved.stringIndexInfo, 132);
writeIndexSignature(resolved.numberIndexInfo, 130);
for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) {
var p = _e[_d];
var t = getTypeOfSymbol(p);
if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) {
var signatures = getSignaturesOfType(t, 0);
for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) {
var signature = signatures_1[_f];
writePropertyWithModifiers(p);
buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack);
writePunctuation(writer, 23);
writer.writeLine();
}
}
else {
writePropertyWithModifiers(p);
writePunctuation(writer, 54);
writeSpace(writer);
writeType(t, 0);
writePunctuation(writer, 23);
writer.writeLine();
}
}
writer.decreaseIndent();
writePunctuation(writer, 16);
inObjectTypeLiteral = saveInObjectTypeLiteral;
}
}
function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) {
var targetSymbol = getTargetSymbol(symbol);
if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) {
buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags);
}
}
function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) {
appendSymbolNameOnly(tp.symbol, writer);
var constraint = getConstraintOfTypeParameter(tp);
if (constraint) {
writeSpace(writer);
writeKeyword(writer, 83);
writeSpace(writer);
buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack);
}
}
function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) {
var parameterNode = p.valueDeclaration;
if (ts.isRestParameter(parameterNode)) {
writePunctuation(writer, 22);
}
if (ts.isBindingPattern(parameterNode.name)) {
buildBindingPatternDisplay(parameterNode.name, writer, enclosingDeclaration, flags, symbolStack);
}
else {
appendSymbolNameOnly(p, writer);
}
if (isOptionalParameter(parameterNode)) {
writePunctuation(writer, 53);
}
writePunctuation(writer, 54);
writeSpace(writer);
buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack);
}
function buildBindingPatternDisplay(bindingPattern, writer, enclosingDeclaration, flags, symbolStack) {
if (bindingPattern.kind === 167) {
writePunctuation(writer, 15);
buildDisplayForCommaSeparatedList(bindingPattern.elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); });
writePunctuation(writer, 16);
}
else if (bindingPattern.kind === 168) {
writePunctuation(writer, 19);
var elements = bindingPattern.elements;
buildDisplayForCommaSeparatedList(elements, writer, function (e) { return buildBindingElementDisplay(e, writer, enclosingDeclaration, flags, symbolStack); });
if (elements && elements.hasTrailingComma) {
writePunctuation(writer, 24);
}
writePunctuation(writer, 20);
}
}
function buildBindingElementDisplay(bindingElement, writer, enclosingDeclaration, flags, symbolStack) {
if (bindingElement.kind === 193) {
return;
}
ts.Debug.assert(bindingElement.kind === 169);
if (bindingElement.propertyName) {
writer.writeSymbol(ts.getTextOfNode(bindingElement.propertyName), bindingElement.symbol);
writePunctuation(writer, 54);
writeSpace(writer);
}
if (ts.isBindingPattern(bindingElement.name)) {
buildBindingPatternDisplay(bindingElement.name, writer, enclosingDeclaration, flags, symbolStack);
}
else {
if (bindingElement.dotDotDotToken) {
writePunctuation(writer, 22);
}
appendSymbolNameOnly(bindingElement.symbol, writer);
}
}
function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) {
if (typeParameters && typeParameters.length) {
writePunctuation(writer, 25);
buildDisplayForCommaSeparatedList(typeParameters, writer, function (p) { return buildTypeParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack); });
writePunctuation(writer, 27);
}
}
function buildDisplayForCommaSeparatedList(list, writer, action) {
for (var i = 0; i < list.length; i++) {
if (i > 0) {
writePunctuation(writer, 24);
writeSpace(writer);
}
action(list[i]);
}
}
function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) {
if (typeParameters && typeParameters.length) {
writePunctuation(writer, 25);
var flags_1 = 256;
for (var i = 0; i < typeParameters.length; i++) {
if (i > 0) {
writePunctuation(writer, 24);
writeSpace(writer);
flags_1 = 0;
}
buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, flags_1);
}
writePunctuation(writer, 27);
}
}
function buildDisplayForParametersAndDelimiters(thisParameter, parameters, writer, enclosingDeclaration, flags, symbolStack) {
writePunctuation(writer, 17);
if (thisParameter) {
buildParameterDisplay(thisParameter, writer, enclosingDeclaration, flags, symbolStack);
}
for (var i = 0; i < parameters.length; i++) {
if (i > 0 || thisParameter) {
writePunctuation(writer, 24);
writeSpace(writer);
}
buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack);
}
writePunctuation(writer, 18);
}
function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) {
if (ts.isIdentifierTypePredicate(predicate)) {
writer.writeParameter(predicate.parameterName);
}
else {
writeKeyword(writer, 97);
}
writeSpace(writer);
writeKeyword(writer, 124);
writeSpace(writer);
buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack);
}
function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) {
if (flags & 8) {
writeSpace(writer);
writePunctuation(writer, 34);
}
else {
writePunctuation(writer, 54);
}
writeSpace(writer);
if (signature.typePredicate) {
buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack);
}
else {
var returnType = getReturnTypeOfSignature(signature);
buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack);
}
}
function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) {
if (kind === 1) {
writeKeyword(writer, 92);
writeSpace(writer);
}
if (signature.target && (flags & 32)) {
buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration);
}
else {
buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack);
}
buildDisplayForParametersAndDelimiters(signature.thisParameter, signature.parameters, writer, enclosingDeclaration, flags, symbolStack);
buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack);
}
return _displayBuilder || (_displayBuilder = {
buildSymbolDisplay: buildSymbolDisplay,
buildTypeDisplay: buildTypeDisplay,
buildTypeParameterDisplay: buildTypeParameterDisplay,
buildTypePredicateDisplay: buildTypePredicateDisplay,
buildParameterDisplay: buildParameterDisplay,
buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters,
buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters,
buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol,
buildSignatureDisplay: buildSignatureDisplay,
buildReturnTypeDisplay: buildReturnTypeDisplay
});
}
function isDeclarationVisible(node) {
if (node) {
var links = getNodeLinks(node);
if (links.isVisible === undefined) {
links.isVisible = !!determineIfDeclarationIsVisible();
}
return links.isVisible;
}
return false;
function determineIfDeclarationIsVisible() {
switch (node.kind) {
case 169:
return isDeclarationVisible(node.parent.parent);
case 218:
if (ts.isBindingPattern(node.name) &&
!node.name.elements.length) {
return false;
}
case 225:
case 221:
case 222:
case 223:
case 220:
case 224:
case 229:
if (ts.isExternalModuleAugmentation(node)) {
return true;
}
var parent_8 = getDeclarationContainer(node);
if (!(ts.getCombinedNodeFlags(node) & 1) &&
!(node.kind !== 229 && parent_8.kind !== 256 && ts.isInAmbientContext(parent_8))) {
return isGlobalSourceFile(parent_8);
}
return isDeclarationVisible(parent_8);
case 145:
case 144:
case 149:
case 150:
case 147:
case 146:
if (node.flags & (8 | 16)) {
return false;
}
case 148:
case 152:
case 151:
case 153:
case 142:
case 226:
case 156:
case 157:
case 159:
case 155:
case 160:
case 161:
case 162:
case 163:
case 164:
return isDeclarationVisible(node.parent);
case 231:
case 232:
case 234:
return false;
case 141:
case 256:
return true;
case 235:
return false;
default:
return false;
}
}
}
function collectLinkedAliases(node) {
var exportSymbol;
if (node.parent && node.parent.kind === 235) {
exportSymbol = resolveName(node.parent, node.text, 107455 | 793064 | 1920 | 8388608, ts.Diagnostics.Cannot_find_name_0, node);
}
else if (node.parent.kind === 238) {
var exportSpecifier = node.parent;
exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ?
getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) :
resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793064 | 1920 | 8388608);
}
var result = [];
if (exportSymbol) {
buildVisibleNodeList(exportSymbol.declarations);
}
return result;
function buildVisibleNodeList(declarations) {
ts.forEach(declarations, function (declaration) {
getNodeLinks(declaration).isVisible = true;
var resultNode = getAnyImportSyntax(declaration) || declaration;
if (!ts.contains(result, resultNode)) {
result.push(resultNode);
}
if (ts.isInternalModuleImportEqualsDeclaration(declaration)) {
var internalModuleReference = declaration.moduleReference;
var firstIdentifier = getFirstIdentifier(internalModuleReference);
var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793064 | 1920, undefined, undefined);
if (importSymbol) {
buildVisibleNodeList(importSymbol.declarations);
}
}
});
}
}
function pushTypeResolution(target, propertyName) {
var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName);
if (resolutionCycleStartIndex >= 0) {
var length_2 = resolutionTargets.length;
for (var i = resolutionCycleStartIndex; i < length_2; i++) {
resolutionResults[i] = false;
}
return false;
}
resolutionTargets.push(target);
resolutionResults.push(true);
resolutionPropertyNames.push(propertyName);
return true;
}
function findResolutionCycleStartIndex(target, propertyName) {
for (var i = resolutionTargets.length - 1; i >= 0; i--) {
if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) {
return -1;
}
if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) {
return i;
}
}
return -1;
}
function hasType(target, propertyName) {
if (propertyName === 0) {
return getSymbolLinks(target).type;
}
if (propertyName === 2) {
return getSymbolLinks(target).declaredType;
}
if (propertyName === 1) {
ts.Debug.assert(!!(target.flags & 32768));
return target.resolvedBaseConstructorType;
}
if (propertyName === 3) {
return target.resolvedReturnType;
}
ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName);
}
function popTypeResolution() {
resolutionTargets.pop();
resolutionPropertyNames.pop();
return resolutionResults.pop();
}
function getDeclarationContainer(node) {
node = ts.getRootDeclaration(node);
while (node) {
switch (node.kind) {
case 218:
case 219:
case 234:
case 233:
case 232:
case 231:
node = node.parent;
break;
default:
return node.parent;
}
}
}
function getTypeOfPrototypeProperty(prototype) {
var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype));
return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType;
}
function getTypeOfPropertyOfType(type, name) {
var prop = getPropertyOfType(type, name);
return prop ? getTypeOfSymbol(prop) : undefined;
}
function isTypeAny(type) {
return type && (type.flags & 1) !== 0;
}
function isTypeNever(type) {
return type && (type.flags & 8192) !== 0;
}
function getTypeForBindingElementParent(node) {
var symbol = getSymbolOfNode(node);
return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node, false);
}
function getTextOfPropertyName(name) {
switch (name.kind) {
case 69:
return name.text;
case 9:
case 8:
return name.text;
case 140:
if (ts.isStringOrNumericLiteral(name.expression.kind)) {
return name.expression.text;
}
}
return undefined;
}
function isComputedNonLiteralName(name) {
return name.kind === 140 && !ts.isStringOrNumericLiteral(name.expression.kind);
}
function getTypeForBindingElement(declaration) {
var pattern = declaration.parent;
var parentType = getTypeForBindingElementParent(pattern.parent);
if (parentType === unknownType) {
return unknownType;
}
if (!parentType || isTypeAny(parentType)) {
if (declaration.initializer) {
return checkExpressionCached(declaration.initializer);
}
return parentType;
}
var type;
if (pattern.kind === 167) {
var name_11 = declaration.propertyName || declaration.name;
if (isComputedNonLiteralName(name_11)) {
return anyType;
}
if (declaration.initializer) {
getContextualType(declaration.initializer);
}
var text = getTextOfPropertyName(name_11);
type = getTypeOfPropertyOfType(parentType, text) ||
isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) ||
getIndexTypeOfType(parentType, 0);
if (!type) {
error(name_11, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_11));
return unknownType;
}
}
else {
var elementType = checkIteratedTypeOrElementType(parentType, pattern, false);
if (!declaration.dotDotDotToken) {
var propName = "" + ts.indexOf(pattern.elements, declaration);
type = isTupleLikeType(parentType)
? getTypeOfPropertyOfType(parentType, propName)
: elementType;
if (!type) {
if (isTupleType(parentType)) {
error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), getTypeReferenceArity(parentType), pattern.elements.length);
}
else {
error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName);
}
return unknownType;
}
}
else {
type = createArrayType(elementType);
}
}
if (strictNullChecks && declaration.initializer && !(getFalsyFlags(checkExpressionCached(declaration.initializer)) & 2048)) {
type = getTypeWithFacts(type, 131072);
}
return declaration.initializer ?
getUnionType([type, checkExpressionCached(declaration.initializer)], true) :
type;
}
function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) {
var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration);
if (jsDocType) {
return getTypeFromTypeNode(jsDocType);
}
}
function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) {
var typeTag = ts.getJSDocTypeTag(declaration);
if (typeTag && typeTag.typeExpression) {
return typeTag.typeExpression.type;
}
if (declaration.kind === 218 &&
declaration.parent.kind === 219 &&
declaration.parent.parent.kind === 200) {
var annotation = ts.getJSDocTypeTag(declaration.parent.parent);
if (annotation && annotation.typeExpression) {
return annotation.typeExpression.type;
}
}
else if (declaration.kind === 142) {
var paramTag = ts.getCorrespondingJSDocParameterTag(declaration);
if (paramTag && paramTag.typeExpression) {
return paramTag.typeExpression.type;
}
}
return undefined;
}
function addOptionality(type, optional) {
return strictNullChecks && optional ? includeFalsyTypes(type, 2048) : type;
}
function getTypeForVariableLikeDeclaration(declaration, includeOptionality) {
if (declaration.flags & 134217728) {
var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration);
if (type && type !== unknownType) {
return type;
}
}
if (declaration.parent.parent.kind === 207) {
return stringType;
}
if (declaration.parent.parent.kind === 208) {
return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType;
}
if (ts.isBindingPattern(declaration.parent)) {
return getTypeForBindingElement(declaration);
}
if (declaration.type) {
return addOptionality(getTypeFromTypeNode(declaration.type), declaration.questionToken && includeOptionality);
}
if (declaration.kind === 142) {
var func = declaration.parent;
if (func.kind === 150 && !ts.hasDynamicName(func)) {
var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 149);
if (getter) {
var getterSignature = getSignatureFromDeclaration(getter);
var thisParameter = getAccessorThisParameter(func);
if (thisParameter && declaration === thisParameter) {
ts.Debug.assert(!thisParameter.type);
return getTypeOfSymbol(getterSignature.thisParameter);
}
return getReturnTypeOfSignature(getterSignature);
}
}
var type = void 0;
if (declaration.symbol.name === "this") {
var thisParameter = getContextualThisParameter(func);
type = thisParameter ? getTypeOfSymbol(thisParameter) : undefined;
}
else {
type = getContextuallyTypedParameterType(declaration);
}
if (type) {
return addOptionality(type, declaration.questionToken && includeOptionality);
}
}
if (declaration.initializer) {
return addOptionality(checkExpressionCached(declaration.initializer), declaration.questionToken && includeOptionality);
}
if (declaration.kind === 254) {
return checkIdentifier(declaration.name);
}
if (ts.isBindingPattern(declaration.name)) {
return getTypeFromBindingPattern(declaration.name, false, true);
}
return undefined;
}
function getTypeFromBindingElement(element, includePatternInType, reportErrors) {
if (element.initializer) {
return checkExpressionCached(element.initializer);
}
if (ts.isBindingPattern(element.name)) {
return getTypeFromBindingPattern(element.name, includePatternInType, reportErrors);
}
if (reportErrors && compilerOptions.noImplicitAny && !declarationBelongsToPrivateAmbientMember(element)) {
reportImplicitAnyError(element, anyType);
}
return anyType;
}
function getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors) {
var members = ts.createMap();
var hasComputedProperties = false;
ts.forEach(pattern.elements, function (e) {
var name = e.propertyName || e.name;
if (isComputedNonLiteralName(name)) {
hasComputedProperties = true;
return;
}
var text = getTextOfPropertyName(name);
var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0);
var symbol = createSymbol(flags, text);
symbol.type = getTypeFromBindingElement(e, includePatternInType, reportErrors);
symbol.bindingElement = e;
members[symbol.name] = symbol;
});
var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined);
if (includePatternInType) {
result.pattern = pattern;
}
if (hasComputedProperties) {
result.flags |= 536870912;
}
return result;
}
function getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors) {
var elements = pattern.elements;
if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) {
return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType;
}
var elementTypes = ts.map(elements, function (e) { return e.kind === 193 ? anyType : getTypeFromBindingElement(e, includePatternInType, reportErrors); });
var result = createTupleType(elementTypes);
if (includePatternInType) {
result = cloneTypeReference(result);
result.pattern = pattern;
}
return result;
}
function getTypeFromBindingPattern(pattern, includePatternInType, reportErrors) {
return pattern.kind === 167
? getTypeFromObjectBindingPattern(pattern, includePatternInType, reportErrors)
: getTypeFromArrayBindingPattern(pattern, includePatternInType, reportErrors);
}
function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) {
var type = getTypeForVariableLikeDeclaration(declaration, true);
if (type) {
if (reportErrors) {
reportErrorsFromWidening(declaration, type);
}
if (declaration.kind === 253) {
return type;
}
return getWidenedType(type);
}
type = declaration.dotDotDotToken ? anyArrayType : anyType;
if (reportErrors && compilerOptions.noImplicitAny) {
if (!declarationBelongsToPrivateAmbientMember(declaration)) {
reportImplicitAnyError(declaration, type);
}
}
return type;
}
function declarationBelongsToPrivateAmbientMember(declaration) {
var root = ts.getRootDeclaration(declaration);
var memberDeclaration = root.kind === 142 ? root.parent : root;
return isPrivateWithinAmbient(memberDeclaration);
}
function getTypeOfVariableOrParameterOrProperty(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
if (symbol.flags & 134217728) {
return links.type = getTypeOfPrototypeProperty(symbol);
}
var declaration = symbol.valueDeclaration;
if (declaration.parent.kind === 252) {
return links.type = anyType;
}
if (declaration.kind === 235) {
return links.type = checkExpression(declaration.expression);
}
if (declaration.flags & 134217728 && declaration.kind === 280 && declaration.typeExpression) {
return links.type = getTypeFromTypeNode(declaration.typeExpression.type);
}
if (!pushTypeResolution(symbol, 0)) {
return unknownType;
}
var type = void 0;
if (declaration.kind === 187 ||
declaration.kind === 172 && declaration.parent.kind === 187) {
if (declaration.flags & 134217728) {
var typeTag = ts.getJSDocTypeTag(declaration.parent);
if (typeTag && typeTag.typeExpression) {
return links.type = getTypeFromTypeNode(typeTag.typeExpression.type);
}
}
var declaredTypes = ts.map(symbol.declarations, function (decl) { return decl.kind === 187 ?
checkExpressionCached(decl.right) :
checkExpressionCached(decl.parent.right); });
type = getUnionType(declaredTypes, true);
}
else {
type = getWidenedTypeForVariableLikeDeclaration(declaration, true);
}
if (!popTypeResolution()) {
if (symbol.valueDeclaration.type) {
type = unknownType;
error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol));
}
else {
type = anyType;
if (compilerOptions.noImplicitAny) {
error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol));
}
}
}
links.type = type;
}
return links.type;
}
function getAnnotatedAccessorType(accessor) {
if (accessor) {
if (accessor.kind === 149) {
return accessor.type && getTypeFromTypeNode(accessor.type);
}
else {
var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor);
return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation);
}
}
return undefined;
}
function getAnnotatedAccessorThisParameter(accessor) {
var parameter = getAccessorThisParameter(accessor);
return parameter && parameter.symbol;
}
function getThisTypeOfDeclaration(declaration) {
return getThisTypeOfSignature(getSignatureFromDeclaration(declaration));
}
function getTypeOfAccessors(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
var getter = ts.getDeclarationOfKind(symbol, 149);
var setter = ts.getDeclarationOfKind(symbol, 150);
if (getter && getter.flags & 134217728) {
var jsDocType = getTypeForVariableLikeDeclarationFromJSDocComment(getter);
if (jsDocType) {
return links.type = jsDocType;
}
}
if (!pushTypeResolution(symbol, 0)) {
return unknownType;
}
var type = void 0;
var getterReturnType = getAnnotatedAccessorType(getter);
if (getterReturnType) {
type = getterReturnType;
}
else {
var setterParameterType = getAnnotatedAccessorType(setter);
if (setterParameterType) {
type = setterParameterType;
}
else {
if (getter && getter.body) {
type = getReturnTypeFromBody(getter);
}
else {
if (compilerOptions.noImplicitAny) {
if (setter) {
error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_parameter_type_annotation, symbolToString(symbol));
}
else {
ts.Debug.assert(!!getter, "there must existed getter as we are current checking either setter or getter in this function");
error(getter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_get_accessor_lacks_a_return_type_annotation, symbolToString(symbol));
}
}
type = anyType;
}
}
}
if (!popTypeResolution()) {
type = anyType;
if (compilerOptions.noImplicitAny) {
var getter_1 = ts.getDeclarationOfKind(symbol, 149);
error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol));
}
}
links.type = type;
}
return links.type;
}
function getTypeOfFuncClassEnumModule(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
if (symbol.valueDeclaration.kind === 225 && ts.isShorthandAmbientModuleSymbol(symbol)) {
links.type = anyType;
}
else {
var type = createObjectType(2097152, symbol);
links.type = strictNullChecks && symbol.flags & 536870912 ?
includeFalsyTypes(type, 2048) : type;
}
}
return links.type;
}
function getTypeOfEnumMember(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol));
}
return links.type;
}
function getTypeOfAlias(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
var targetSymbol = resolveAlias(symbol);
links.type = targetSymbol.flags & 107455
? getTypeOfSymbol(targetSymbol)
: unknownType;
}
return links.type;
}
function getTypeOfInstantiatedSymbol(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper);
}
return links.type;
}
function getTypeOfSymbol(symbol) {
if (symbol.flags & 16777216) {
return getTypeOfInstantiatedSymbol(symbol);
}
if (symbol.flags & (3 | 4)) {
return getTypeOfVariableOrParameterOrProperty(symbol);
}
if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) {
return getTypeOfFuncClassEnumModule(symbol);
}
if (symbol.flags & 8) {
return getTypeOfEnumMember(symbol);
}
if (symbol.flags & 98304) {
return getTypeOfAccessors(symbol);
}
if (symbol.flags & 8388608) {
return getTypeOfAlias(symbol);
}
return unknownType;
}
function getTargetType(type) {
return type.flags & 131072 ? type.target : type;
}
function hasBaseType(type, checkBase) {
return check(type);
function check(type) {
var target = getTargetType(type);
return target === checkBase || ts.forEach(getBaseTypes(target), check);
}
}
function appendTypeParameters(typeParameters, declarations) {
for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) {
var declaration = declarations_2[_i];
var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration));
if (!typeParameters) {
typeParameters = [tp];
}
else if (!ts.contains(typeParameters, tp)) {
typeParameters.push(tp);
}
}
return typeParameters;
}
function appendOuterTypeParameters(typeParameters, node) {
while (true) {
node = node.parent;
if (!node) {
return typeParameters;
}
if (node.kind === 221 || node.kind === 192 ||
node.kind === 220 || node.kind === 179 ||
node.kind === 147 || node.kind === 180) {
var declarations = node.typeParameters;
if (declarations) {
return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations);
}
}
}
}
function getOuterTypeParametersOfClassOrInterface(symbol) {
var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 222);
return appendOuterTypeParameters(undefined, declaration);
}
function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) {
var result;
for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
var node = _a[_i];
if (node.kind === 222 || node.kind === 221 ||
node.kind === 192 || node.kind === 223) {
var declaration = node;
if (declaration.typeParameters) {
result = appendTypeParameters(result, declaration.typeParameters);
}
}
}
return result;
}
function getTypeParametersOfClassOrInterface(symbol) {
return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol));
}
function isConstructorType(type) {
return type.flags & 2588672 && getSignaturesOfType(type, 1).length > 0;
}
function getBaseTypeNodeOfClass(type) {
return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration);
}
function getConstructorsForTypeArguments(type, typeArgumentNodes) {
var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0;
return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; });
}
function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) {
var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes);
if (typeArgumentNodes) {
var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode);
signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); });
}
return signatures;
}
function getBaseConstructorTypeOfClass(type) {
if (!type.resolvedBaseConstructorType) {
var baseTypeNode = getBaseTypeNodeOfClass(type);
if (!baseTypeNode) {
return type.resolvedBaseConstructorType = undefinedType;
}
if (!pushTypeResolution(type, 1)) {
return unknownType;
}
var baseConstructorType = checkExpression(baseTypeNode.expression);
if (baseConstructorType.flags & 2588672) {
resolveStructuredTypeMembers(baseConstructorType);
}
if (!popTypeResolution()) {
error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol));
return type.resolvedBaseConstructorType = unknownType;
}
if (baseConstructorType !== unknownType && baseConstructorType !== nullWideningType && !isConstructorType(baseConstructorType)) {
error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType));
return type.resolvedBaseConstructorType = unknownType;
}
type.resolvedBaseConstructorType = baseConstructorType;
}
return type.resolvedBaseConstructorType;
}
function getBaseTypes(type) {
if (!type.resolvedBaseTypes) {
if (type.flags & 262144) {
type.resolvedBaseTypes = [createArrayType(getUnionType(type.typeParameters))];
}
else if (type.symbol.flags & (32 | 64)) {
if (type.symbol.flags & 32) {
resolveBaseTypesOfClass(type);
}
if (type.symbol.flags & 64) {
resolveBaseTypesOfInterface(type);
}
}
else {
ts.Debug.fail("type must be class or interface");
}
}
return type.resolvedBaseTypes;
}
function resolveBaseTypesOfClass(type) {
type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray;
var baseConstructorType = getBaseConstructorTypeOfClass(type);
if (!(baseConstructorType.flags & 2588672)) {
return;
}
var baseTypeNode = getBaseTypeNodeOfClass(type);
var baseType;
var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined;
if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 &&
areAllOuterTypeParametersApplied(originalBaseType)) {
baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol);
}
else {
var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments);
if (!constructors.length) {
error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments);
return;
}
baseType = getReturnTypeOfSignature(constructors[0]);
}
if (baseType === unknownType) {
return;
}
if (!(getTargetType(baseType).flags & (32768 | 65536))) {
error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType));
return;
}
if (type === baseType || hasBaseType(baseType, type)) {
error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1));
return;
}
if (type.resolvedBaseTypes === emptyArray) {
type.resolvedBaseTypes = [baseType];
}
else {
type.resolvedBaseTypes.push(baseType);
}
}
function areAllOuterTypeParametersApplied(type) {
var outerTypeParameters = type.outerTypeParameters;
if (outerTypeParameters) {
var last = outerTypeParameters.length - 1;
var typeArguments = type.typeArguments;
return outerTypeParameters[last].symbol !== typeArguments[last].symbol;
}
return true;
}
function resolveBaseTypesOfInterface(type) {
type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray;
for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) {
var declaration = _a[_i];
if (declaration.kind === 222 && ts.getInterfaceBaseTypeNodes(declaration)) {
for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) {
var node = _c[_b];
var baseType = getTypeFromTypeNode(node);
if (baseType !== unknownType) {
if (getTargetType(baseType).flags & (32768 | 65536)) {
if (type !== baseType && !hasBaseType(baseType, type)) {
if (type.resolvedBaseTypes === emptyArray) {
type.resolvedBaseTypes = [baseType];
}
else {
type.resolvedBaseTypes.push(baseType);
}
}
else {
error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1));
}
}
else {
error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface);
}
}
}
}
}
}
function isIndependentInterface(symbol) {
for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
var declaration = _a[_i];
if (declaration.kind === 222) {
if (declaration.flags & 16384) {
return false;
}
var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration);
if (baseTypeNodes) {
for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) {
var node = baseTypeNodes_1[_b];
if (ts.isEntityNameExpression(node.expression)) {
var baseSymbol = resolveEntityName(node.expression, 793064, true);
if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) {
return false;
}
}
}
}
}
}
return true;
}
function getDeclaredTypeOfClassOrInterface(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var kind = symbol.flags & 32 ? 32768 : 65536;
var type = links.declaredType = createObjectType(kind, symbol);
var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol);
var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol);
if (outerTypeParameters || localTypeParameters || kind === 32768 || !isIndependentInterface(symbol)) {
type.flags |= 131072;
type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters);
type.outerTypeParameters = outerTypeParameters;
type.localTypeParameters = localTypeParameters;
type.instantiations = ts.createMap();
type.instantiations[getTypeListId(type.typeParameters)] = type;
type.target = type;
type.typeArguments = type.typeParameters;
type.thisType = createType(16384 | 268435456);
type.thisType.symbol = symbol;
type.thisType.constraint = type;
}
}
return links.declaredType;
}
function getDeclaredTypeOfTypeAlias(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
if (!pushTypeResolution(symbol, 2)) {
return unknownType;
}
var typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol);
var declaration = ts.getDeclarationOfKind(symbol, 279);
var type = void 0;
if (declaration) {
if (declaration.jsDocTypeLiteral) {
type = getTypeFromTypeNode(declaration.jsDocTypeLiteral);
}
else {
type = getTypeFromTypeNode(declaration.typeExpression.type);
}
}
else {
declaration = ts.getDeclarationOfKind(symbol, 223);
type = getTypeFromTypeNode(declaration.type, symbol, typeParameters);
}
if (popTypeResolution()) {
links.typeParameters = typeParameters;
if (typeParameters) {
links.instantiations = ts.createMap();
links.instantiations[getTypeListId(links.typeParameters)] = type;
}
}
else {
type = unknownType;
error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol));
}
links.declaredType = type;
}
return links.declaredType;
}
function isLiteralEnumMember(symbol, member) {
var expr = member.initializer;
if (!expr) {
return !ts.isInAmbientContext(member);
}
return expr.kind === 8 ||
expr.kind === 185 && expr.operator === 36 &&
expr.operand.kind === 8 ||
expr.kind === 69 && !!symbol.exports[expr.text];
}
function enumHasLiteralMembers(symbol) {
for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
var declaration = _a[_i];
if (declaration.kind === 224) {
for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) {
var member = _c[_b];
if (!isLiteralEnumMember(symbol, member)) {
return false;
}
}
}
}
return true;
}
function getDeclaredTypeOfEnum(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var enumType = links.declaredType = createType(16);
enumType.symbol = symbol;
if (enumHasLiteralMembers(symbol)) {
var memberTypeList = [];
var memberTypes = ts.createMap();
for (var _i = 0, _a = enumType.symbol.declarations; _i < _a.length; _i++) {
var declaration = _a[_i];
if (declaration.kind === 224) {
computeEnumMemberValues(declaration);
for (var _b = 0, _c = declaration.members; _b < _c.length; _b++) {
var member = _c[_b];
var memberSymbol = getSymbolOfNode(member);
var value = getEnumMemberValue(member);
if (!memberTypes[value]) {
var memberType = memberTypes[value] = createType(256);
memberType.symbol = memberSymbol;
memberType.baseType = enumType;
memberType.text = "" + value;
memberTypeList.push(memberType);
}
}
}
}
enumType.memberTypes = memberTypes;
if (memberTypeList.length > 1) {
enumType.flags |= 524288;
enumType.types = memberTypeList;
unionTypes[getTypeListId(memberTypeList)] = enumType;
}
}
}
return links.declaredType;
}
function getDeclaredTypeOfEnumMember(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var enumType = getDeclaredTypeOfEnum(getParentOfSymbol(symbol));
links.declaredType = enumType.flags & 524288 ?
enumType.memberTypes[getEnumMemberValue(symbol.valueDeclaration)] :
enumType;
}
return links.declaredType;
}
function getDeclaredTypeOfTypeParameter(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = createType(16384);
type.symbol = symbol;
if (!ts.getDeclarationOfKind(symbol, 141).constraint) {
type.constraint = noConstraintType;
}
links.declaredType = type;
}
return links.declaredType;
}
function getDeclaredTypeOfAlias(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol));
}
return links.declaredType;
}
function getDeclaredTypeOfSymbol(symbol) {
ts.Debug.assert((symbol.flags & 16777216) === 0);
if (symbol.flags & (32 | 64)) {
return getDeclaredTypeOfClassOrInterface(symbol);
}
if (symbol.flags & 524288) {
return getDeclaredTypeOfTypeAlias(symbol);
}
if (symbol.flags & 262144) {
return getDeclaredTypeOfTypeParameter(symbol);
}
if (symbol.flags & 384) {
return getDeclaredTypeOfEnum(symbol);
}
if (symbol.flags & 8) {
return getDeclaredTypeOfEnumMember(symbol);
}
if (symbol.flags & 8388608) {
return getDeclaredTypeOfAlias(symbol);
}
return unknownType;
}
function isIndependentTypeReference(node) {
if (node.typeArguments) {
for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) {
var typeNode = _a[_i];
if (!isIndependentType(typeNode)) {
return false;
}
}
}
return true;
}
function isIndependentType(node) {
switch (node.kind) {
case 117:
case 132:
case 130:
case 120:
case 133:
case 103:
case 135:
case 93:
case 127:
case 166:
return true;
case 160:
return isIndependentType(node.elementType);
case 155:
return isIndependentTypeReference(node);
}
return false;
}
function isIndependentVariableLikeDeclaration(node) {
return node.type && isIndependentType(node.type) || !node.type && !node.initializer;
}
function isIndependentFunctionLikeDeclaration(node) {
if (node.kind !== 148 && (!node.type || !isIndependentType(node.type))) {
return false;
}
for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) {
var parameter = _a[_i];
if (!isIndependentVariableLikeDeclaration(parameter)) {
return false;
}
}
return true;
}
function isIndependentMember(symbol) {
if (symbol.declarations && symbol.declarations.length === 1) {
var declaration = symbol.declarations[0];
if (declaration) {
switch (declaration.kind) {
case 145:
case 144:
return isIndependentVariableLikeDeclaration(declaration);
case 147:
case 146:
case 148:
return isIndependentFunctionLikeDeclaration(declaration);
}
}
}
return false;
}
function createSymbolTable(symbols) {
var result = ts.createMap();
for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) {
var symbol = symbols_1[_i];
result[symbol.name] = symbol;
}
return result;
}
function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) {
var result = ts.createMap();
for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) {
var symbol = symbols_2[_i];
result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper);
}
return result;
}
function addInheritedMembers(symbols, baseSymbols) {
for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) {
var s = baseSymbols_1[_i];
if (!symbols[s.name]) {
symbols[s.name] = s;
}
}
}
function resolveDeclaredMembers(type) {
if (!type.declaredProperties) {
var symbol = type.symbol;
type.declaredProperties = getNamedMembers(symbol.members);
type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]);
type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]);
type.declaredStringIndexInfo = getIndexInfoOfSymbol(symbol, 0);
type.declaredNumberIndexInfo = getIndexInfoOfSymbol(symbol, 1);
}
return type;
}
function getTypeWithThisArgument(type, thisArgument) {
if (type.flags & 131072) {
return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType]));
}
return type;
}
function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) {
var mapper;
var members;
var callSignatures;
var constructSignatures;
var stringIndexInfo;
var numberIndexInfo;
if (ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) {
mapper = identityMapper;
members = source.symbol ? source.symbol.members : createSymbolTable(source.declaredProperties);
callSignatures = source.declaredCallSignatures;
constructSignatures = source.declaredConstructSignatures;
stringIndexInfo = source.declaredStringIndexInfo;
numberIndexInfo = source.declaredNumberIndexInfo;
}
else {
mapper = createTypeMapper(typeParameters, typeArguments);
members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1);
callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature);
constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature);
stringIndexInfo = instantiateIndexInfo(source.declaredStringIndexInfo, mapper);
numberIndexInfo = instantiateIndexInfo(source.declaredNumberIndexInfo, mapper);
}
var baseTypes = getBaseTypes(source);
if (baseTypes.length) {
if (source.symbol && members === source.symbol.members) {
members = createSymbolTable(source.declaredProperties);
}
var thisArgument = ts.lastOrUndefined(typeArguments);
for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) {
var baseType = baseTypes_1[_i];
var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType;
addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType));
callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0));
constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1));
stringIndexInfo = stringIndexInfo || getIndexInfoOfType(instantiatedBaseType, 0);
numberIndexInfo = numberIndexInfo || getIndexInfoOfType(instantiatedBaseType, 1);
}
}
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
}
function resolveClassOrInterfaceMembers(type) {
resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray);
}
function resolveTypeReferenceMembers(type) {
var source = resolveDeclaredMembers(type.target);
var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]);
var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ?
type.typeArguments : ts.concatenate(type.typeArguments, [type]);
resolveObjectTypeMembers(type, source, typeParameters, typeArguments);
}
function createSignature(declaration, typeParameters, thisParameter, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasLiteralTypes) {
var sig = new Signature(checker);
sig.declaration = declaration;
sig.typeParameters = typeParameters;
sig.parameters = parameters;
sig.thisParameter = thisParameter;
sig.resolvedReturnType = resolvedReturnType;
sig.typePredicate = typePredicate;
sig.minArgumentCount = minArgumentCount;
sig.hasRestParameter = hasRestParameter;
sig.hasLiteralTypes = hasLiteralTypes;
return sig;
}
function cloneSignature(sig) {
return createSignature(sig.declaration, sig.typeParameters, sig.thisParameter, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasLiteralTypes);
}
function getDefaultConstructSignatures(classType) {
var baseConstructorType = getBaseConstructorTypeOfClass(classType);
var baseSignatures = getSignaturesOfType(baseConstructorType, 1);
if (baseSignatures.length === 0) {
return [createSignature(undefined, classType.localTypeParameters, undefined, emptyArray, classType, undefined, 0, false, false)];
}
var baseTypeNode = getBaseTypeNodeOfClass(classType);
var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode);
var typeArgCount = typeArguments ? typeArguments.length : 0;
var result = [];
for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) {
var baseSig = baseSignatures_1[_i];
var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0;
if (typeParamCount === typeArgCount) {
var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig);
sig.typeParameters = classType.localTypeParameters;
sig.resolvedReturnType = classType;
result.push(sig);
}
}
return result;
}
function findMatchingSignature(signatureList, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes) {
for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) {
var s = signatureList_1[_i];
if (compareSignaturesIdentical(s, signature, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypesIdentical)) {
return s;
}
}
}
function findMatchingSignatures(signatureLists, signature, listIndex) {
if (signature.typeParameters) {
if (listIndex > 0) {
return undefined;
}
for (var i = 1; i < signatureLists.length; i++) {
if (!findMatchingSignature(signatureLists[i], signature, false, false, false)) {
return undefined;
}
}
return [signature];
}
var result = undefined;
for (var i = 0; i < signatureLists.length; i++) {
var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true, true);
if (!match) {
return undefined;
}
if (!ts.contains(result, match)) {
(result || (result = [])).push(match);
}
}
return result;
}
function getUnionSignatures(types, kind) {
var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); });
var result = undefined;
for (var i = 0; i < signatureLists.length; i++) {
for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) {
var signature = _a[_i];
if (!result || !findMatchingSignature(result, signature, false, true, true)) {
var unionSignatures = findMatchingSignatures(signatureLists, signature, i);
if (unionSignatures) {
var s = signature;
if (unionSignatures.length > 1) {
s = cloneSignature(signature);
if (ts.forEach(unionSignatures, function (sig) { return sig.thisParameter; })) {
var thisType = getUnionType(ts.map(unionSignatures, function (sig) { return getTypeOfSymbol(sig.thisParameter) || anyType; }), true);
s.thisParameter = createTransientSymbol(signature.thisParameter, thisType);
}
s.resolvedReturnType = undefined;
s.unionSignatures = unionSignatures;
}
(result || (result = [])).push(s);
}
}
}
}
return result || emptyArray;
}
function getUnionIndexInfo(types, kind) {
var indexTypes = [];
var isAnyReadonly = false;
for (var _i = 0, types_1 = types; _i < types_1.length; _i++) {
var type = types_1[_i];
var indexInfo = getIndexInfoOfType(type, kind);
if (!indexInfo) {
return undefined;
}
indexTypes.push(indexInfo.type);
isAnyReadonly = isAnyReadonly || indexInfo.isReadonly;
}
return createIndexInfo(getUnionType(indexTypes, true), isAnyReadonly);
}
function resolveUnionTypeMembers(type) {
var callSignatures = getUnionSignatures(type.types, 0);
var constructSignatures = getUnionSignatures(type.types, 1);
var stringIndexInfo = getUnionIndexInfo(type.types, 0);
var numberIndexInfo = getUnionIndexInfo(type.types, 1);
setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
}
function intersectTypes(type1, type2) {
return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]);
}
function intersectIndexInfos(info1, info2) {
return !info1 ? info2 : !info2 ? info1 : createIndexInfo(getIntersectionType([info1.type, info2.type]), info1.isReadonly && info2.isReadonly);
}
function resolveIntersectionTypeMembers(type) {
var callSignatures = emptyArray;
var constructSignatures = emptyArray;
var stringIndexInfo = undefined;
var numberIndexInfo = undefined;
for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
var t = _a[_i];
callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0));
constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1));
stringIndexInfo = intersectIndexInfos(stringIndexInfo, getIndexInfoOfType(t, 0));
numberIndexInfo = intersectIndexInfos(numberIndexInfo, getIndexInfoOfType(t, 1));
}
setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
}
function resolveAnonymousTypeMembers(type) {
var symbol = type.symbol;
if (type.target) {
var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false);
var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature);
var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature);
var stringIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 0), type.mapper);
var numberIndexInfo = instantiateIndexInfo(getIndexInfoOfType(type.target, 1), type.mapper);
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
}
else if (symbol.flags & 2048) {
var members = symbol.members;
var callSignatures = getSignaturesOfSymbol(members["__call"]);
var constructSignatures = getSignaturesOfSymbol(members["__new"]);
var stringIndexInfo = getIndexInfoOfSymbol(symbol, 0);
var numberIndexInfo = getIndexInfoOfSymbol(symbol, 1);
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexInfo, numberIndexInfo);
}
else {
var members = emptySymbols;
var constructSignatures = emptyArray;
if (symbol.flags & 1952) {
members = getExportsOfSymbol(symbol);
}
if (symbol.flags & 32) {
var classType = getDeclaredTypeOfClassOrInterface(symbol);
constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]);
if (!constructSignatures.length) {
constructSignatures = getDefaultConstructSignatures(classType);
}
var baseConstructorType = getBaseConstructorTypeOfClass(classType);
if (baseConstructorType.flags & 2588672) {
members = createSymbolTable(getNamedMembers(members));
addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType));
}
}
var numberIndexInfo = symbol.flags & 384 ? enumNumberIndexInfo : undefined;
setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexInfo);
if (symbol.flags & (16 | 8192)) {
type.callSignatures = getSignaturesOfSymbol(symbol);
}
}
}
function resolveStructuredTypeMembers(type) {
if (!type.members) {
if (type.flags & 131072) {
resolveTypeReferenceMembers(type);
}
else if (type.flags & (32768 | 65536)) {
resolveClassOrInterfaceMembers(type);
}
else if (type.flags & 2097152) {
resolveAnonymousTypeMembers(type);
}
else if (type.flags & 524288) {
resolveUnionTypeMembers(type);
}
else if (type.flags & 1048576) {
resolveIntersectionTypeMembers(type);
}
}
return type;
}
function getPropertiesOfObjectType(type) {
if (type.flags & 2588672) {
return resolveStructuredTypeMembers(type).properties;
}
return emptyArray;
}
function getPropertyOfObjectType(type, name) {
if (type.flags & 2588672) {
var resolved = resolveStructuredTypeMembers(type);
var symbol = resolved.members[name];
if (symbol && symbolIsValue(symbol)) {
return symbol;
}
}
}
function getPropertiesOfUnionOrIntersectionType(type) {
for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
var current = _a[_i];
for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) {
var prop = _c[_b];
getPropertyOfUnionOrIntersectionType(type, prop.name);
}
if (type.flags & 524288) {
break;
}
}
return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray;
}
function getPropertiesOfType(type) {
type = getApparentType(type);
return type.flags & 1572864 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type);
}
function getApparentTypeOfTypeParameter(type) {
if (!type.resolvedApparentType) {
var constraintType = getConstraintOfTypeParameter(type);
while (constraintType && constraintType.flags & 16384) {
constraintType = getConstraintOfTypeParameter(constraintType);
}
type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type);
}
return type.resolvedApparentType;
}
function getApparentType(type) {
if (type.flags & 16384) {
type = getApparentTypeOfTypeParameter(type);
}
if (type.flags & 34) {
type = globalStringType;
}
else if (type.flags & 340) {
type = globalNumberType;
}
else if (type.flags & 136) {
type = globalBooleanType;
}
else if (type.flags & 512) {
type = getGlobalESSymbolType();
}
return type;
}
function createUnionOrIntersectionProperty(containingType, name) {
var types = containingType.types;
var props;
var commonFlags = (containingType.flags & 1048576) ? 536870912 : 0;
var isReadonly = false;
for (var _i = 0, types_2 = types; _i < types_2.length; _i++) {
var current = types_2[_i];
var type = getApparentType(current);
if (type !== unknownType) {
var prop = getPropertyOfType(type, name);
if (prop && !(getDeclarationFlagsFromSymbol(prop) & (8 | 16))) {
commonFlags &= prop.flags;
if (!props) {
props = [prop];
}
else if (!ts.contains(props, prop)) {
props.push(prop);
}
if (isReadonlySymbol(prop)) {
isReadonly = true;
}
}
else if (containingType.flags & 524288) {
return undefined;
}
}
}
if (!props) {
return undefined;
}
if (props.length === 1) {
return props[0];
}
var propTypes = [];
var declarations = [];
var commonType = undefined;
var hasCommonType = true;
for (var _a = 0, props_1 = props; _a < props_1.length; _a++) {
var prop = props_1[_a];
if (prop.declarations) {
ts.addRange(declarations, prop.declarations);
}
var type = getTypeOfSymbol(prop);
if (!commonType) {
commonType = type;
}
else if (type !== commonType) {
hasCommonType = false;
}
propTypes.push(getTypeOfSymbol(prop));
}
var result = createSymbol(4 |
67108864 |
268435456 |
commonFlags, name);
result.containingType = containingType;
result.hasCommonType = hasCommonType;
result.declarations = declarations;
result.isReadonly = isReadonly;
result.type = containingType.flags & 524288 ? getUnionType(propTypes) : getIntersectionType(propTypes);
return result;
}
function getPropertyOfUnionOrIntersectionType(type, name) {
var properties = type.resolvedProperties || (type.resolvedProperties = ts.createMap());
var property = properties[name];
if (!property) {
property = createUnionOrIntersectionProperty(type, name);
if (property) {
properties[name] = property;
}
}
return property;
}
function getPropertyOfType(type, name) {
type = getApparentType(type);
if (type.flags & 2588672) {
var resolved = resolveStructuredTypeMembers(type);
var symbol = resolved.members[name];
if (symbol && symbolIsValue(symbol)) {
return symbol;
}
if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) {
var symbol_1 = getPropertyOfObjectType(globalFunctionType, name);
if (symbol_1) {
return symbol_1;
}
}
return getPropertyOfObjectType(globalObjectType, name);
}
if (type.flags & 1572864) {
return getPropertyOfUnionOrIntersectionType(type, name);
}
return undefined;
}
function getSignaturesOfStructuredType(type, kind) {
if (type.flags & 4161536) {
var resolved = resolveStructuredTypeMembers(type);
return kind === 0 ? resolved.callSignatures : resolved.constructSignatures;
}
return emptyArray;
}
function getSignaturesOfType(type, kind) {
return getSignaturesOfStructuredType(getApparentType(type), kind);
}
function getIndexInfoOfStructuredType(type, kind) {
if (type.flags & 4161536) {
var resolved = resolveStructuredTypeMembers(type);
return kind === 0 ? resolved.stringIndexInfo : resolved.numberIndexInfo;
}
}
function getIndexTypeOfStructuredType(type, kind) {
var info = getIndexInfoOfStructuredType(type, kind);
return info && info.type;
}
function getIndexInfoOfType(type, kind) {
return getIndexInfoOfStructuredType(getApparentType(type), kind);
}
function getIndexTypeOfType(type, kind) {
return getIndexTypeOfStructuredType(getApparentType(type), kind);
}
function getImplicitIndexTypeOfType(type, kind) {
if (isObjectLiteralType(type)) {
var propTypes = [];
for (var _i = 0, _a = getPropertiesOfType(type); _i < _a.length; _i++) {
var prop = _a[_i];
if (kind === 0 || isNumericLiteralName(prop.name)) {
propTypes.push(getTypeOfSymbol(prop));
}
}
if (propTypes.length) {
return getUnionType(propTypes, true);
}
}
return undefined;
}
function getTypeParametersFromJSDocTemplate(declaration) {
if (declaration.flags & 134217728) {
var templateTag = ts.getJSDocTemplateTag(declaration);
if (templateTag) {
return getTypeParametersFromDeclaration(templateTag.typeParameters);
}
}
return undefined;
}
function getTypeParametersFromDeclaration(typeParameterDeclarations) {
var result = [];
ts.forEach(typeParameterDeclarations, function (node) {
var tp = getDeclaredTypeOfTypeParameter(node.symbol);
if (!ts.contains(result, tp)) {
result.push(tp);
}
});
return result;
}
function symbolsToArray(symbols) {
var result = [];
for (var id in symbols) {
if (!isReservedMemberName(id)) {
result.push(symbols[id]);
}
}
return result;
}
function isJSDocOptionalParameter(node) {
if (node.flags & 134217728) {
if (node.type && node.type.kind === 268) {
return true;
}
var paramTag = ts.getCorrespondingJSDocParameterTag(node);
if (paramTag) {
if (paramTag.isBracketed) {
return true;
}
if (paramTag.typeExpression) {
return paramTag.typeExpression.type.kind === 268;
}
}
}
}
function isOptionalParameter(node) {
if (ts.hasQuestionToken(node) || isJSDocOptionalParameter(node)) {
return true;
}
if (node.initializer) {
var signatureDeclaration = node.parent;
var signature = getSignatureFromDeclaration(signatureDeclaration);
var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node);
ts.Debug.assert(parameterIndex >= 0);
return parameterIndex >= signature.minArgumentCount;
}
return false;
}
function createTypePredicateFromTypePredicateNode(node) {
if (node.parameterName.kind === 69) {
var parameterName = node.parameterName;
return {
kind: 1,
parameterName: parameterName ? parameterName.text : undefined,
parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined,
type: getTypeFromTypeNode(node.type)
};
}
else {
return {
kind: 0,
type: getTypeFromTypeNode(node.type)
};
}
}
function getSignatureFromDeclaration(declaration) {
var links = getNodeLinks(declaration);
if (!links.resolvedSignature) {
var parameters = [];
var hasLiteralTypes = false;
var minArgumentCount = -1;
var thisParameter = undefined;
var hasThisParameter = void 0;
var isJSConstructSignature = ts.isJSDocConstructSignature(declaration);
for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) {
var param = declaration.parameters[i];
var paramSymbol = param.symbol;
if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) {
var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined);
paramSymbol = resolvedSymbol;
}
if (i === 0 && paramSymbol.name === "this") {
hasThisParameter = true;
thisParameter = param.symbol;
}
else {
parameters.push(paramSymbol);
}
if (param.type && param.type.kind === 166) {
hasLiteralTypes = true;
}
if (param.initializer || param.questionToken || param.dotDotDotToken || isJSDocOptionalParameter(param)) {
if (minArgumentCount < 0) {
minArgumentCount = i - (hasThisParameter ? 1 : 0);
}
}
else {
minArgumentCount = -1;
}
}
if ((declaration.kind === 149 || declaration.kind === 150) &&
!ts.hasDynamicName(declaration) &&
(!hasThisParameter || !thisParameter)) {
var otherKind = declaration.kind === 149 ? 150 : 149;
var other = ts.getDeclarationOfKind(declaration.symbol, otherKind);
if (other) {
thisParameter = getAnnotatedAccessorThisParameter(other);
}
}
if (minArgumentCount < 0) {
minArgumentCount = declaration.parameters.length - (hasThisParameter ? 1 : 0);
}
if (isJSConstructSignature) {
minArgumentCount--;
}
if (!thisParameter && ts.isObjectLiteralMethod(declaration)) {
thisParameter = getContextualThisParameter(declaration);
}
var classType = declaration.kind === 148 ?
getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol))
: undefined;
var typeParameters = classType ? classType.localTypeParameters :
declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) :
getTypeParametersFromJSDocTemplate(declaration);
var returnType = getSignatureReturnTypeFromDeclaration(declaration, minArgumentCount, isJSConstructSignature, classType);
var typePredicate = declaration.type && declaration.type.kind === 154 ?
createTypePredicateFromTypePredicateNode(declaration.type) :
undefined;
links.resolvedSignature = createSignature(declaration, typeParameters, thisParameter, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasLiteralTypes);
}
return links.resolvedSignature;
}
function getSignatureReturnTypeFromDeclaration(declaration, minArgumentCount, isJSConstructSignature, classType) {
if (isJSConstructSignature) {
return getTypeFromTypeNode(declaration.parameters[0].type);
}
else if (classType) {
return classType;
}
else if (declaration.type) {
return getTypeFromTypeNode(declaration.type);
}
if (declaration.flags & 134217728) {
var type = getReturnTypeFromJSDocComment(declaration);
if (type && type !== unknownType) {
return type;
}
}
if (declaration.kind === 149 && !ts.hasDynamicName(declaration)) {
var setter = ts.getDeclarationOfKind(declaration.symbol, 150);
return getAnnotatedAccessorType(setter);
}
if (ts.nodeIsMissing(declaration.body)) {
return anyType;
}
}
function getSignaturesOfSymbol(symbol) {
if (!symbol)
return emptyArray;
var result = [];
for (var i = 0, len = symbol.declarations.length; i < len; i++) {
var node = symbol.declarations[i];
switch (node.kind) {
case 156:
case 157:
case 220:
case 147:
case 146:
case 148:
case 151:
case 152:
case 153:
case 149:
case 150:
case 179:
case 180:
case 269:
if (i > 0 && node.body) {
var previous = symbol.declarations[i - 1];
if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) {
break;
}
}
result.push(getSignatureFromDeclaration(node));
}
}
return result;
}
function resolveExternalModuleTypeByLiteral(name) {
var moduleSym = resolveExternalModuleName(name, name);
if (moduleSym) {
var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym);
if (resolvedModuleSymbol) {
return getTypeOfSymbol(resolvedModuleSymbol);
}
}
return anyType;
}
function getThisTypeOfSignature(signature) {
if (signature.thisParameter) {
return getTypeOfSymbol(signature.thisParameter);
}
}
function getReturnTypeOfSignature(signature) {
if (!signature.resolvedReturnType) {
if (!pushTypeResolution(signature, 3)) {
return unknownType;
}
var type = void 0;
if (signature.target) {
type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper);
}
else if (signature.unionSignatures) {
type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature), true);
}
else {
type = getReturnTypeFromBody(signature.declaration);
}
if (!popTypeResolution()) {
type = anyType;
if (compilerOptions.noImplicitAny) {
var declaration = signature.declaration;
if (declaration.name) {
error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name));
}
else {
error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions);
}
}
}
signature.resolvedReturnType = type;
}
return signature.resolvedReturnType;
}
function getRestTypeOfSignature(signature) {
if (signature.hasRestParameter) {
var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters));
if (type.flags & 131072 && type.target === globalArrayType) {
return type.typeArguments[0];
}
}
return anyType;
}
function getSignatureInstantiation(signature, typeArguments) {
return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true);
}
function getErasedSignature(signature) {
if (!signature.typeParameters)
return signature;
if (!signature.erasedSignatureCache) {
signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true);
}
return signature.erasedSignatureCache;
}
function getOrCreateTypeFromSignature(signature) {
if (!signature.isolatedSignatureType) {
var isConstructor = signature.declaration.kind === 148 || signature.declaration.kind === 152;
var type = createObjectType(2097152);
type.members = emptySymbols;
type.properties = emptyArray;
type.callSignatures = !isConstructor ? [signature] : emptyArray;
type.constructSignatures = isConstructor ? [signature] : emptyArray;
signature.isolatedSignatureType = type;
}
return signature.isolatedSignatureType;
}
function getIndexSymbol(symbol) {
return symbol.members["__index"];
}
function getIndexDeclarationOfSymbol(symbol, kind) {
var syntaxKind = kind === 1 ? 130 : 132;
var indexSymbol = getIndexSymbol(symbol);
if (indexSymbol) {
for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) {
var decl = _a[_i];
var node = decl;
if (node.parameters.length === 1) {
var parameter = node.parameters[0];
if (parameter && parameter.type && parameter.type.kind === syntaxKind) {
return node;
}
}
}
}
return undefined;
}
function createIndexInfo(type, isReadonly, declaration) {
return { type: type, isReadonly: isReadonly, declaration: declaration };
}
function getIndexInfoOfSymbol(symbol, kind) {
var declaration = getIndexDeclarationOfSymbol(symbol, kind);
if (declaration) {
return createIndexInfo(declaration.type ? getTypeFromTypeNode(declaration.type) : anyType, (declaration.flags & 64) !== 0, declaration);
}
return undefined;
}
function getConstraintDeclaration(type) {
return ts.getDeclarationOfKind(type.symbol, 141).constraint;
}
function hasConstraintReferenceTo(type, target) {
var checked;
while (type && !(type.flags & 268435456) && type.flags & 16384 && !ts.contains(checked, type)) {
if (type === target) {
return true;
}
(checked || (checked = [])).push(type);
var constraintDeclaration = getConstraintDeclaration(type);
type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration);
}
return false;
}
function getConstraintOfTypeParameter(typeParameter) {
if (!typeParameter.constraint) {
if (typeParameter.target) {
var targetConstraint = getConstraintOfTypeParameter(typeParameter.target);
typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType;
}
else {
var constraintDeclaration = getConstraintDeclaration(typeParameter);
var constraint = getTypeFromTypeNode(constraintDeclaration);
if (hasConstraintReferenceTo(constraint, typeParameter)) {
error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter));
constraint = unknownType;
}
typeParameter.constraint = constraint;
}
}
return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint;
}
function getParentSymbolOfTypeParameter(typeParameter) {
return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 141).parent);
}
function getTypeListId(types) {
var result = "";
if (types) {
var length_3 = types.length;
var i = 0;
while (i < length_3) {
var startId = types[i].id;
var count = 1;
while (i + count < length_3 && types[i + count].id === startId + count) {
count++;
}
if (result.length) {
result += ",";
}
result += startId;
if (count > 1) {
result += ":" + count;
}
i += count;
}
}
return result;
}
function getPropagatingFlagsOfTypes(types, excludeKinds) {
var result = 0;
for (var _i = 0, types_3 = types; _i < types_3.length; _i++) {
var type = types_3[_i];
if (!(type.flags & excludeKinds)) {
result |= type.flags;
}
}
return result & 234881024;
}
function createTypeReference(target, typeArguments) {
var id = getTypeListId(typeArguments);
var type = target.instantiations[id];
if (!type) {
var propagatedFlags = typeArguments ? getPropagatingFlagsOfTypes(typeArguments, 0) : 0;
var flags = 131072 | propagatedFlags;
type = target.instantiations[id] = createObjectType(flags, target.symbol);
type.target = target;
type.typeArguments = typeArguments;
}
return type;
}
function cloneTypeReference(source) {
var type = createObjectType(source.flags, source.symbol);
type.target = source.target;
type.typeArguments = source.typeArguments;
return type;
}
function getTypeReferenceArity(type) {
return type.target.typeParameters ? type.target.typeParameters.length : 0;
}
function getTypeFromClassOrInterfaceReference(node, symbol) {
var type = getDeclaredTypeOfSymbol(getMergedSymbol(symbol));
var typeParameters = type.localTypeParameters;
if (typeParameters) {
if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) {
error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length);
return unknownType;
}
return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode)));
}
if (node.typeArguments) {
error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type));
return unknownType;
}
return type;
}
function getTypeFromTypeAliasReference(node, symbol) {
var type = getDeclaredTypeOfSymbol(symbol);
var links = getSymbolLinks(symbol);
var typeParameters = links.typeParameters;
if (typeParameters) {
if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) {
error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length);
return unknownType;
}
var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode);
var id = getTypeListId(typeArguments);
return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments)));
}
if (node.typeArguments) {
error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol));
return unknownType;
}
return type;
}
function getTypeFromNonGenericTypeReference(node, symbol) {
if (node.typeArguments) {
error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol));
return unknownType;
}
return getDeclaredTypeOfSymbol(symbol);
}
function getTypeReferenceName(node) {
switch (node.kind) {
case 155:
return node.typeName;
case 267:
return node.name;
case 194:
var expr = node.expression;
if (ts.isEntityNameExpression(expr)) {
return expr;
}
}
return undefined;
}
function resolveTypeReferenceName(node, typeReferenceName) {
if (!typeReferenceName) {
return unknownSymbol;
}
return resolveEntityName(typeReferenceName, 793064) || unknownSymbol;
}
function getTypeReferenceType(node, symbol) {
if (symbol === unknownSymbol) {
return unknownType;
}
if (symbol.flags & (32 | 64)) {
return getTypeFromClassOrInterfaceReference(node, symbol);
}
if (symbol.flags & 524288) {
return getTypeFromTypeAliasReference(node, symbol);
}
if (symbol.flags & 107455 && node.kind === 267) {
return getTypeOfSymbol(symbol);
}
return getTypeFromNonGenericTypeReference(node, symbol);
}
function getTypeFromTypeReference(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
var symbol = void 0;
var type = void 0;
if (node.kind === 267) {
var typeReferenceName = getTypeReferenceName(node);
symbol = resolveTypeReferenceName(node, typeReferenceName);
type = getTypeReferenceType(node, symbol);
}
else {
var typeNameOrExpression = node.kind === 155
? node.typeName
: ts.isEntityNameExpression(node.expression)
? node.expression
: undefined;
symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793064) || unknownSymbol;
type = symbol === unknownSymbol ? unknownType :
symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) :
symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) :
getTypeFromNonGenericTypeReference(node, symbol);
}
links.resolvedSymbol = symbol;
links.resolvedType = type;
}
return links.resolvedType;
}
function getTypeFromTypeQueryNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getWidenedType(checkExpression(node.exprName));
}
return links.resolvedType;
}
function getTypeOfGlobalSymbol(symbol, arity) {
function getTypeDeclaration(symbol) {
var declarations = symbol.declarations;
for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) {
var declaration = declarations_3[_i];
switch (declaration.kind) {
case 221:
case 222:
case 224:
return declaration;
}
}
}
if (!symbol) {
return arity ? emptyGenericType : emptyObjectType;
}
var type = getDeclaredTypeOfSymbol(symbol);
if (!(type.flags & 2588672)) {
error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name);
return arity ? emptyGenericType : emptyObjectType;
}
if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) {
error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity);
return arity ? emptyGenericType : emptyObjectType;
}
return type;
}
function getGlobalValueSymbol(name) {
return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0);
}
function getGlobalTypeSymbol(name) {
return getGlobalSymbol(name, 793064, ts.Diagnostics.Cannot_find_global_type_0);
}
function getGlobalSymbol(name, meaning, diagnostic) {
return resolveName(undefined, name, meaning, diagnostic, name);
}
function getGlobalType(name, arity) {
if (arity === void 0) { arity = 0; }
return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity);
}
function getExportedTypeFromNamespace(namespace, name) {
var namespaceSymbol = getGlobalSymbol(namespace, 1920, undefined);
var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793064);
return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol);
}
function createTypedPropertyDescriptorType(propertyType) {
var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType();
return globalTypedPropertyDescriptorType !== emptyGenericType
? createTypeReference(globalTypedPropertyDescriptorType, [propertyType])
: emptyObjectType;
}
function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) {
return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType;
}
function createIterableType(elementType) {
return createTypeFromGenericGlobalType(getGlobalIterableType(), [elementType]);
}
function createIterableIteratorType(elementType) {
return createTypeFromGenericGlobalType(getGlobalIterableIteratorType(), [elementType]);
}
function createArrayType(elementType) {
return createTypeFromGenericGlobalType(globalArrayType, [elementType]);
}
function getTypeFromArrayTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType));
}
return links.resolvedType;
}
function createTupleTypeOfArity(arity) {
var typeParameters = [];
var properties = [];
for (var i = 0; i < arity; i++) {
var typeParameter = createType(16384);
typeParameters.push(typeParameter);
var property = createSymbol(4 | 67108864, "" + i);
property.type = typeParameter;
properties.push(property);
}
var type = createObjectType(262144 | 131072);
type.typeParameters = typeParameters;
type.outerTypeParameters = undefined;
type.localTypeParameters = typeParameters;
type.instantiations = ts.createMap();
type.instantiations[getTypeListId(type.typeParameters)] = type;
type.target = type;
type.typeArguments = type.typeParameters;
type.thisType = createType(16384 | 268435456);
type.thisType.constraint = type;
type.declaredProperties = properties;
type.declaredCallSignatures = emptyArray;
type.declaredConstructSignatures = emptyArray;
type.declaredStringIndexInfo = undefined;
type.declaredNumberIndexInfo = undefined;
return type;
}
function getTupleTypeOfArity(arity) {
return tupleTypes[arity] || (tupleTypes[arity] = createTupleTypeOfArity(arity));
}
function createTupleType(elementTypes) {
return createTypeReference(getTupleTypeOfArity(elementTypes.length), elementTypes);
}
function getTypeFromTupleTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode));
}
return links.resolvedType;
}
function binarySearchTypes(types, type) {
var low = 0;
var high = types.length - 1;
var typeId = type.id;
while (low <= high) {
var middle = low + ((high - low) >> 1);
var id = types[middle].id;
if (id === typeId) {
return middle;
}
else if (id > typeId) {
high = middle - 1;
}
else {
low = middle + 1;
}
}
return ~low;
}
function containsType(types, type) {
return binarySearchTypes(types, type) >= 0;
}
function addTypeToUnion(typeSet, type) {
if (type.flags & 524288) {
addTypesToUnion(typeSet, type.types);
}
else if (type.flags & 1) {
typeSet.containsAny = true;
}
else if (!strictNullChecks && type.flags & 6144) {
if (type.flags & 2048)
typeSet.containsUndefined = true;
if (type.flags & 4096)
typeSet.containsNull = true;
if (!(type.flags & 33554432))
typeSet.containsNonWideningType = true;
}
else if (!(type.flags & 8192)) {
var len = typeSet.length;
var index = len && type.id > typeSet[len - 1].id ? ~len : binarySearchTypes(typeSet, type);
if (index < 0) {
if (!(type.flags & 2097152 && type.symbol && type.symbol.flags & (16 | 8192) && containsIdenticalType(typeSet, type))) {
typeSet.splice(~index, 0, type);
}
}
}
}
function addTypesToUnion(typeSet, types) {
for (var _i = 0, types_4 = types; _i < types_4.length; _i++) {
var type = types_4[_i];
addTypeToUnion(typeSet, type);
}
}
function containsIdenticalType(types, type) {
for (var _i = 0, types_5 = types; _i < types_5.length; _i++) {
var t = types_5[_i];
if (isTypeIdenticalTo(t, type)) {
return true;
}
}
return false;
}
function isSubtypeOfAny(candidate, types) {
for (var i = 0, len = types.length; i < len; i++) {
if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) {
return true;
}
}
return false;
}
function isSetOfLiteralsFromSameEnum(types) {
var first = types[0];
if (first.flags & 256) {
var firstEnum = getParentOfSymbol(first.symbol);
for (var i = 1; i < types.length; i++) {
var other = types[i];
if (!(other.flags & 256) || (firstEnum !== getParentOfSymbol(other.symbol))) {
return false;
}
}
return true;
}
return false;
}
function removeSubtypes(types) {
if (types.length === 0 || isSetOfLiteralsFromSameEnum(types)) {
return;
}
var i = types.length;
while (i > 0) {
i--;
if (isSubtypeOfAny(types[i], types)) {
types.splice(i, 1);
}
}
}
function getUnionType(types, subtypeReduction, aliasSymbol, aliasTypeArguments) {
if (types.length === 0) {
return neverType;
}
if (types.length === 1) {
return types[0];
}
var typeSet = [];
addTypesToUnion(typeSet, types);
if (typeSet.containsAny) {
return anyType;
}
if (subtypeReduction) {
removeSubtypes(typeSet);
}
if (typeSet.length === 0) {
return typeSet.containsNull ? typeSet.containsNonWideningType ? nullType : nullWideningType :
typeSet.containsUndefined ? typeSet.containsNonWideningType ? undefinedType : undefinedWideningType :
neverType;
}
return getUnionTypeFromSortedList(typeSet, aliasSymbol, aliasTypeArguments);
}
function getUnionTypeFromSortedList(types, aliasSymbol, aliasTypeArguments) {
if (types.length === 0) {
return neverType;
}
if (types.length === 1) {
return types[0];
}
var id = getTypeListId(types);
var type = unionTypes[id];
if (!type) {
var propagatedFlags = getPropagatingFlagsOfTypes(types, 6144);
type = unionTypes[id] = createObjectType(524288 | propagatedFlags);
type.types = types;
type.aliasSymbol = aliasSymbol;
type.aliasTypeArguments = aliasTypeArguments;
}
return type;
}
function getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), false, aliasSymbol, aliasTypeArguments);
}
return links.resolvedType;
}
function addTypeToIntersection(typeSet, type) {
if (type.flags & 1048576) {
addTypesToIntersection(typeSet, type.types);
}
else if (type.flags & 1) {
typeSet.containsAny = true;
}
else if (!(type.flags & 8192) && (strictNullChecks || !(type.flags & 6144)) && !ts.contains(typeSet, type)) {
typeSet.push(type);
}
}
function addTypesToIntersection(typeSet, types) {
for (var _i = 0, types_6 = types; _i < types_6.length; _i++) {
var type = types_6[_i];
addTypeToIntersection(typeSet, type);
}
}
function getIntersectionType(types, aliasSymbol, aliasTypeArguments) {
if (types.length === 0) {
return emptyObjectType;
}
var typeSet = [];
addTypesToIntersection(typeSet, types);
if (typeSet.containsAny) {
return anyType;
}
if (typeSet.length === 1) {
return typeSet[0];
}
var id = getTypeListId(typeSet);
var type = intersectionTypes[id];
if (!type) {
var propagatedFlags = getPropagatingFlagsOfTypes(typeSet, 6144);
type = intersectionTypes[id] = createObjectType(1048576 | propagatedFlags);
type.types = typeSet;
type.aliasSymbol = aliasSymbol;
type.aliasTypeArguments = aliasTypeArguments;
}
return type;
}
function getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode), aliasSymbol, aliasTypeArguments);
}
return links.resolvedType;
}
function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
var type = createObjectType(2097152, node.symbol);
type.aliasSymbol = aliasSymbol;
type.aliasTypeArguments = aliasTypeArguments;
links.resolvedType = type;
}
return links.resolvedType;
}
function createLiteralType(flags, text) {
var type = createType(flags);
type.text = text;
return type;
}
function getLiteralTypeForText(flags, text) {
var map = flags & 32 ? stringLiteralTypes : numericLiteralTypes;
return map[text] || (map[text] = createLiteralType(flags, text));
}
function getTypeFromLiteralTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = checkExpression(node.literal);
}
return links.resolvedType;
}
function getTypeFromJSDocVariadicType(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
var type = getTypeFromTypeNode(node.type);
links.resolvedType = type ? createArrayType(type) : unknownType;
}
return links.resolvedType;
}
function getTypeFromJSDocTupleType(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
var types = ts.map(node.types, getTypeFromTypeNode);
links.resolvedType = createTupleType(types);
}
return links.resolvedType;
}
function getThisType(node) {
var container = ts.getThisContainer(node, false);
var parent = container && container.parent;
if (parent && (ts.isClassLike(parent) || parent.kind === 222)) {
if (!(container.flags & 32) &&
(container.kind !== 148 || ts.isNodeDescendentOf(node, container.body))) {
return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType;
}
}
error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface);
return unknownType;
}
function getTypeFromThisTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getThisType(node);
}
return links.resolvedType;
}
function getTypeFromTypeNode(node, aliasSymbol, aliasTypeArguments) {
switch (node.kind) {
case 117:
case 258:
case 259:
return anyType;
case 132:
return stringType;
case 130:
return numberType;
case 120:
return booleanType;
case 133:
return esSymbolType;
case 103:
return voidType;
case 135:
return undefinedType;
case 93:
return nullType;
case 127:
return neverType;
case 283:
return nullType;
case 284:
return undefinedType;
case 285:
return neverType;
case 165:
case 97:
return getTypeFromThisTypeNode(node);
case 166:
return getTypeFromLiteralTypeNode(node);
case 282:
return getTypeFromLiteralTypeNode(node.literal);
case 155:
case 267:
return getTypeFromTypeReference(node);
case 154:
return booleanType;
case 194:
return getTypeFromTypeReference(node);
case 158:
return getTypeFromTypeQueryNode(node);
case 160:
case 260:
return getTypeFromArrayTypeNode(node);
case 161:
return getTypeFromTupleTypeNode(node);
case 162:
case 261:
return getTypeFromUnionTypeNode(node, aliasSymbol, aliasTypeArguments);
case 163:
return getTypeFromIntersectionTypeNode(node, aliasSymbol, aliasTypeArguments);
case 164:
case 263:
case 264:
case 271:
case 272:
case 268:
return getTypeFromTypeNode(node.type);
case 156:
case 157:
case 159:
case 281:
case 269:
case 265:
return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node, aliasSymbol, aliasTypeArguments);
case 69:
case 139:
var symbol = getSymbolAtLocation(node);
return symbol && getDeclaredTypeOfSymbol(symbol);
case 262:
return getTypeFromJSDocTupleType(node);
case 270:
return getTypeFromJSDocVariadicType(node);
default:
return unknownType;
}
}
function instantiateList(items, mapper, instantiator) {
if (items && items.length) {
var result = [];
for (var _i = 0, items_1 = items; _i < items_1.length; _i++) {
var v = items_1[_i];
result.push(instantiator(v, mapper));
}
return result;
}
return items;
}
function createUnaryTypeMapper(source, target) {
return function (t) { return t === source ? target : t; };
}
function createBinaryTypeMapper(source1, target1, source2, target2) {
return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; };
}
function createArrayTypeMapper(sources, targets) {
return function (t) {
for (var i = 0; i < sources.length; i++) {
if (t === sources[i]) {
return targets ? targets[i] : anyType;
}
}
return t;
};
}
function createTypeMapper(sources, targets) {
var count = sources.length;
var mapper = count == 1 ? createUnaryTypeMapper(sources[0], targets ? targets[0] : anyType) :
count == 2 ? createBinaryTypeMapper(sources[0], targets ? targets[0] : anyType, sources[1], targets ? targets[1] : anyType) :
createArrayTypeMapper(sources, targets);
mapper.mappedTypes = sources;
mapper.targetTypes = targets;
return mapper;
}
function createTypeEraser(sources) {
return createTypeMapper(sources, undefined);
}
function getInferenceMapper(context) {
if (!context.mapper) {
var mapper = function (t) {
var typeParameters = context.typeParameters;
for (var i = 0; i < typeParameters.length; i++) {
if (t === typeParameters[i]) {
context.inferences[i].isFixed = true;
return getInferredType(context, i);
}
}
return t;
};
mapper.mappedTypes = context.typeParameters;
mapper.context = context;
context.mapper = mapper;
}
return context.mapper;
}
function identityMapper(type) {
return type;
}
function combineTypeMappers(mapper1, mapper2) {
var mapper = function (t) { return instantiateType(mapper1(t), mapper2); };
mapper.mappedTypes = mapper1.mappedTypes;
return mapper;
}
function cloneTypeParameter(typeParameter) {
var result = createType(16384);
result.symbol = typeParameter.symbol;
result.target = typeParameter;
return result;
}
function cloneTypePredicate(predicate, mapper) {
if (ts.isIdentifierTypePredicate(predicate)) {
return {
kind: 1,
parameterName: predicate.parameterName,
parameterIndex: predicate.parameterIndex,
type: instantiateType(predicate.type, mapper)
};
}
else {
return {
kind: 0,
type: instantiateType(predicate.type, mapper)
};
}
}
function instantiateSignature(signature, mapper, eraseTypeParameters) {
var freshTypeParameters;
var freshTypePredicate;
if (signature.typeParameters && !eraseTypeParameters) {
freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter);
mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper);
for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) {
var tp = freshTypeParameters_1[_i];
tp.mapper = mapper;
}
}
if (signature.typePredicate) {
freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper);
}
var result = createSignature(signature.declaration, freshTypeParameters, signature.thisParameter && instantiateSymbol(signature.thisParameter, mapper), instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasLiteralTypes);
result.target = signature;
result.mapper = mapper;
return result;
}
function instantiateSymbol(symbol, mapper) {
if (symbol.flags & 16777216) {
var links = getSymbolLinks(symbol);
symbol = links.target;
mapper = combineTypeMappers(links.mapper, mapper);
}
var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name);
result.declarations = symbol.declarations;
result.parent = symbol.parent;
result.target = symbol;
result.mapper = mapper;
if (symbol.valueDeclaration) {
result.valueDeclaration = symbol.valueDeclaration;
}
return result;
}
function instantiateAnonymousType(type, mapper) {
if (mapper.instantiations) {
var cachedType = mapper.instantiations[type.id];
if (cachedType) {
return cachedType;
}
}
else {
mapper.instantiations = [];
}
var result = createObjectType(2097152 | 4194304, type.symbol);
result.target = type;
result.mapper = mapper;
result.aliasSymbol = type.aliasSymbol;
result.aliasTypeArguments = mapper.targetTypes;
mapper.instantiations[type.id] = result;
return result;
}
function isSymbolInScopeOfMappedTypeParameter(symbol, mapper) {
var mappedTypes = mapper.mappedTypes;
var node = symbol.declarations[0].parent;
while (node) {
switch (node.kind) {
case 156:
case 157:
case 220:
case 147:
case 146:
case 148:
case 151:
case 152:
case 153:
case 149:
case 150:
case 179:
case 180:
case 221:
case 192:
case 222:
case 223:
var declaration = node;
if (declaration.typeParameters) {
for (var _i = 0, _a = declaration.typeParameters; _i < _a.length; _i++) {
var d = _a[_i];
if (ts.contains(mappedTypes, getDeclaredTypeOfTypeParameter(getSymbolOfNode(d)))) {
return true;
}
}
}
if (ts.isClassLike(node) || node.kind === 222) {
var thisType = getDeclaredTypeOfClassOrInterface(getSymbolOfNode(node)).thisType;
if (thisType && ts.contains(mappedTypes, thisType)) {
return true;
}
}
break;
case 225:
case 256:
return false;
}
node = node.parent;
}
return false;
}
function instantiateType(type, mapper) {
if (type && mapper !== identityMapper) {
if (type.flags & 16384) {
return mapper(type);
}
if (type.flags & 2097152) {
return type.symbol &&
type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) &&
(type.flags & 4194304 || isSymbolInScopeOfMappedTypeParameter(type.symbol, mapper)) ?
instantiateAnonymousType(type, mapper) : type;
}
if (type.flags & 131072) {
return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType));
}
if (type.flags & 524288 && !(type.flags & 8190)) {
return getUnionType(instantiateList(type.types, mapper, instantiateType), false, type.aliasSymbol, mapper.targetTypes);
}
if (type.flags & 1048576) {
return getIntersectionType(instantiateList(type.types, mapper, instantiateType), type.aliasSymbol, mapper.targetTypes);
}
}
return type;
}
function instantiateIndexInfo(info, mapper) {
return info && createIndexInfo(instantiateType(info.type, mapper), info.isReadonly, info.declaration);
}
function isContextSensitive(node) {
ts.Debug.assert(node.kind !== 147 || ts.isObjectLiteralMethod(node));
switch (node.kind) {
case 179:
case 180:
return isContextSensitiveFunctionLikeDeclaration(node);
case 171:
return ts.forEach(node.properties, isContextSensitive);
case 170:
return ts.forEach(node.elements, isContextSensitive);
case 188:
return isContextSensitive(node.whenTrue) ||
isContextSensitive(node.whenFalse);
case 187:
return node.operatorToken.kind === 52 &&
(isContextSensitive(node.left) || isContextSensitive(node.right));
case 253:
return isContextSensitive(node.initializer);
case 147:
case 146:
return isContextSensitiveFunctionLikeDeclaration(node);
case 178:
return isContextSensitive(node.expression);
}
return false;
}
function isContextSensitiveFunctionLikeDeclaration(node) {
var areAllParametersUntyped = !ts.forEach(node.parameters, function (p) { return p.type; });
var isNullaryArrow = node.kind === 180 && !node.parameters.length;
return !node.typeParameters && areAllParametersUntyped && !isNullaryArrow;
}
function isContextSensitiveFunctionOrObjectLiteralMethod(func) {
return (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) && isContextSensitiveFunctionLikeDeclaration(func);
}
function getTypeWithoutSignatures(type) {
if (type.flags & 2588672) {
var resolved = resolveStructuredTypeMembers(type);
if (resolved.constructSignatures.length) {
var result = createObjectType(2097152, type.symbol);
result.members = resolved.members;
result.properties = resolved.properties;
result.callSignatures = emptyArray;
result.constructSignatures = emptyArray;
type = result;
}
}
return type;
}
function isTypeIdenticalTo(source, target) {
return isTypeRelatedTo(source, target, identityRelation);
}
function compareTypesIdentical(source, target) {
return isTypeRelatedTo(source, target, identityRelation) ? -1 : 0;
}
function compareTypesAssignable(source, target) {
return isTypeRelatedTo(source, target, assignableRelation) ? -1 : 0;
}
function isTypeSubtypeOf(source, target) {
return isTypeRelatedTo(source, target, subtypeRelation);
}
function isTypeAssignableTo(source, target) {
return isTypeRelatedTo(source, target, assignableRelation);
}
function isTypeInstanceOf(source, target) {
return source === target || isTypeSubtypeOf(source, target) && !isTypeIdenticalTo(source, target);
}
function isTypeComparableTo(source, target) {
return isTypeRelatedTo(source, target, comparableRelation);
}
function areTypesComparable(type1, type2) {
return isTypeComparableTo(type1, type2) || isTypeComparableTo(type2, type1);
}
function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) {
return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain);
}
function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) {
return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain);
}
function checkTypeComparableTo(source, target, errorNode, headMessage, containingMessageChain) {
return checkTypeRelatedTo(source, target, comparableRelation, errorNode, headMessage, containingMessageChain);
}
function isSignatureAssignableTo(source, target, ignoreReturnTypes) {
return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0;
}
function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) {
if (source === target) {
return -1;
}
if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) {
return 0;
}
source = getErasedSignature(source);
target = getErasedSignature(target);
var result = -1;
var sourceThisType = getThisTypeOfSignature(source);
if (sourceThisType && sourceThisType !== voidType) {
var targetThisType = getThisTypeOfSignature(target);
if (targetThisType) {
var related = compareTypes(sourceThisType, targetThisType, false)
|| compareTypes(targetThisType, sourceThisType, reportErrors);
if (!related) {
if (reportErrors) {
errorReporter(ts.Diagnostics.The_this_types_of_each_signature_are_incompatible);
}
return 0;
}
result &= related;
}
}
var sourceMax = getNumNonRestParameters(source);
var targetMax = getNumNonRestParameters(target);
var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax);
var sourceParams = source.parameters;
var targetParams = target.parameters;
for (var i = 0; i < checkCount; i++) {
var s = i < sourceMax ? getTypeOfParameter(sourceParams[i]) : getRestTypeOfSignature(source);
var t = i < targetMax ? getTypeOfParameter(targetParams[i]) : getRestTypeOfSignature(target);
var related = compareTypes(s, t, false) || compareTypes(t, s, reportErrors);
if (!related) {
if (reportErrors) {
errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name);
}
return 0;
}
result &= related;
}
if (!ignoreReturnTypes) {
var targetReturnType = getReturnTypeOfSignature(target);
if (targetReturnType === voidType) {
return result;
}
var sourceReturnType = getReturnTypeOfSignature(source);
if (target.typePredicate) {
if (source.typePredicate) {
result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes);
}
else if (ts.isIdentifierTypePredicate(target.typePredicate)) {
if (reportErrors) {
errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source));
}
return 0;
}
}
else {
result &= compareTypes(sourceReturnType, targetReturnType, reportErrors);
}
}
return result;
}
function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) {
if (source.kind !== target.kind) {
if (reportErrors) {
errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard);
errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target));
}
return 0;
}
if (source.kind === 1) {
var sourceIdentifierPredicate = source;
var targetIdentifierPredicate = target;
if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) {
if (reportErrors) {
errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName);
errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target));
}
return 0;
}
}
var related = compareTypes(source.type, target.type, reportErrors);
if (related === 0 && reportErrors) {
errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target));
}
return related;
}
function isImplementationCompatibleWithOverload(implementation, overload) {
var erasedSource = getErasedSignature(implementation);
var erasedTarget = getErasedSignature(overload);
var sourceReturnType = getReturnTypeOfSignature(erasedSource);
var targetReturnType = getReturnTypeOfSignature(erasedTarget);
if (targetReturnType === voidType
|| isTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation)
|| isTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation)) {
return isSignatureAssignableTo(erasedSource, erasedTarget, true);
}
return false;
}
function getNumNonRestParameters(signature) {
var numParams = signature.parameters.length;
return signature.hasRestParameter ?
numParams - 1 :
numParams;
}
function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) {
if (source.hasRestParameter === target.hasRestParameter) {
if (source.hasRestParameter) {
return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1;
}
else {
return Math.min(sourceNonRestParamCount, targetNonRestParamCount);
}
}
else {
return source.hasRestParameter ?
targetNonRestParamCount :
sourceNonRestParamCount;
}
}
function isEnumTypeRelatedTo(source, target, errorReporter) {
if (source === target) {
return true;
}
var id = source.id + "," + target.id;
if (enumRelation[id] !== undefined) {
return enumRelation[id];
}
if (source.symbol.name !== target.symbol.name ||
!(source.symbol.flags & 256) || !(target.symbol.flags & 256) ||
(source.flags & 524288) !== (target.flags & 524288)) {
return enumRelation[id] = false;
}
var targetEnumType = getTypeOfSymbol(target.symbol);
for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) {
var property = _a[_i];
if (property.flags & 8) {
var targetProperty = getPropertyOfType(targetEnumType, property.name);
if (!targetProperty || !(targetProperty.flags & 8)) {
if (errorReporter) {
errorReporter(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128));
}
return enumRelation[id] = false;
}
}
}
return enumRelation[id] = true;
}
function isSimpleTypeRelatedTo(source, target, relation, errorReporter) {
if (target.flags & 8192)
return false;
if (target.flags & 1 || source.flags & 8192)
return true;
if (source.flags & 34 && target.flags & 2)
return true;
if (source.flags & 340 && target.flags & 4)
return true;
if (source.flags & 136 && target.flags & 8)
return true;
if (source.flags & 256 && target.flags & 16 && source.baseType === target)
return true;
if (source.flags & 16 && target.flags & 16 && isEnumTypeRelatedTo(source, target, errorReporter))
return true;
if (source.flags & 2048 && (!strictNullChecks || target.flags & (2048 | 1024)))
return true;
if (source.flags & 4096 && (!strictNullChecks || target.flags & 4096))
return true;
if (relation === assignableRelation || relation === comparableRelation) {
if (source.flags & 1)
return true;
if ((source.flags & 4 | source.flags & 64) && target.flags & 272)
return true;
if (source.flags & 256 &&
target.flags & 256 &&
source.text === target.text &&
isEnumTypeRelatedTo(source.baseType, target.baseType, errorReporter)) {
return true;
}
if (source.flags & 256 &&
target.flags & 16 &&
isEnumTypeRelatedTo(target, source.baseType, errorReporter)) {
return true;
}
}
return false;
}
function isTypeRelatedTo(source, target, relation) {
if (source === target || relation !== identityRelation && isSimpleTypeRelatedTo(source, target, relation)) {
return true;
}
if (source.flags & 2588672 && target.flags & 2588672) {
var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id;
var related = relation[id];
if (related !== undefined) {
return related === 1;
}
}
if (source.flags & 4177920 || target.flags & 4177920) {
return checkTypeRelatedTo(source, target, relation, undefined, undefined, undefined);
}
return false;
}
function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) {
var errorInfo;
var sourceStack;
var targetStack;
var maybeStack;
var expandingFlags;
var depth = 0;
var overflow = false;
ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking");
var result = isRelatedTo(source, target, !!errorNode, headMessage);
if (overflow) {
error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target));
}
else if (errorInfo) {
if (containingMessageChain) {
errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo);
}
diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo));
}
return result !== 0;
function reportError(message, arg0, arg1, arg2) {
ts.Debug.assert(!!errorNode);
errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2);
}
function reportRelationError(message, source, target) {
var sourceType = typeToString(source);
var targetType = typeToString(target);
if (sourceType === targetType) {
sourceType = typeToString(source, undefined, 128);
targetType = typeToString(target, undefined, 128);
}
if (!message) {
message = relation === comparableRelation ?
ts.Diagnostics.Type_0_is_not_comparable_to_type_1 :
ts.Diagnostics.Type_0_is_not_assignable_to_type_1;
}
reportError(message, sourceType, targetType);
}
function tryElaborateErrorsForPrimitivesAndObjects(source, target) {
var sourceType = typeToString(source);
var targetType = typeToString(target);
if ((globalStringType === source && stringType === target) ||
(globalNumberType === source && numberType === target) ||
(globalBooleanType === source && booleanType === target) ||
(getGlobalESSymbolType() === source && esSymbolType === target)) {
reportError(ts.Diagnostics._0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible, targetType, sourceType);
}
}
function isRelatedTo(source, target, reportErrors, headMessage) {
var result;
if (source === target)
return -1;
if (relation === identityRelation) {
return isIdenticalTo(source, target);
}
if (isSimpleTypeRelatedTo(source, target, relation, reportErrors ? reportError : undefined))
return -1;
if (source.flags & 16777216) {
if (hasExcessProperties(source, target, reportErrors)) {
if (reportErrors) {
reportRelationError(headMessage, source, target);
}
return 0;
}
if (target.flags & 1572864) {
source = getRegularTypeOfObjectLiteral(source);
}
}
var saveErrorInfo = errorInfo;
if (source.flags & 524288) {
if (relation === comparableRelation) {
result = someTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190));
}
else {
result = eachTypeRelatedToType(source, target, reportErrors && !(source.flags & 8190));
}
if (result) {
return result;
}
}
else if (target.flags & 1048576) {
result = typeRelatedToEachType(source, target, reportErrors);
if (result) {
return result;
}
}
else {
if (source.flags & 1048576) {
if (result = someTypeRelatedToType(source, target, false)) {
return result;
}
}
if (target.flags & 524288) {
if (result = typeRelatedToSomeType(source, target, reportErrors && !(source.flags & 8190) && !(target.flags & 8190))) {
return result;
}
}
}
if (source.flags & 16384) {
var constraint = getConstraintOfTypeParameter(source);
if (!constraint || constraint.flags & 1) {
constraint = emptyObjectType;
}
constraint = getTypeWithThisArgument(constraint, source);
var reportConstraintErrors = reportErrors && constraint !== emptyObjectType;
if (result = isRelatedTo(constraint, target, reportConstraintErrors)) {
errorInfo = saveErrorInfo;
return result;
}
}
else {
if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) {
if (result = typeArgumentsRelatedTo(source, target, reportErrors)) {
return result;
}
}
var apparentSource = getApparentType(source);
if (apparentSource.flags & (2588672 | 1048576) && target.flags & 2588672) {
var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 8190);
if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) {
errorInfo = saveErrorInfo;
return result;
}
}
}
if (reportErrors) {
if (source.flags & 2588672 && target.flags & 8190) {
tryElaborateErrorsForPrimitivesAndObjects(source, target);
}
reportRelationError(headMessage, source, target);
}
return 0;
}
function isIdenticalTo(source, target) {
var result;
if (source.flags & 2588672 && target.flags & 2588672) {
if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) {
if (result = typeArgumentsRelatedTo(source, target, false)) {
return result;
}
}
return objectTypeRelatedTo(source, source, target, false);
}
if (source.flags & 524288 && target.flags & 524288 ||
source.flags & 1048576 && target.flags & 1048576) {
if (result = eachTypeRelatedToSomeType(source, target, false)) {
if (result &= eachTypeRelatedToSomeType(target, source, false)) {
return result;
}
}
}
return 0;
}
function isKnownProperty(type, name) {
if (type.flags & 2588672) {
var resolved = resolveStructuredTypeMembers(type);
if ((relation === assignableRelation || relation === comparableRelation) && (type === globalObjectType || isEmptyObjectType(resolved)) ||
resolved.stringIndexInfo ||
(resolved.numberIndexInfo && isNumericLiteralName(name)) ||
getPropertyOfType(type, name)) {
return true;
}
}
else if (type.flags & 1572864) {
for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
var t = _a[_i];
if (isKnownProperty(t, name)) {
return true;
}
}
}
return false;
}
function isEmptyObjectType(t) {
return t.properties.length === 0 &&
t.callSignatures.length === 0 &&
t.constructSignatures.length === 0 &&
!t.stringIndexInfo &&
!t.numberIndexInfo;
}
function hasExcessProperties(source, target, reportErrors) {
if (!(target.flags & 536870912) && maybeTypeOfKind(target, 2588672)) {
for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) {
var prop = _a[_i];
if (!isKnownProperty(target, prop.name)) {
if (reportErrors) {
ts.Debug.assert(!!errorNode);
errorNode = prop.valueDeclaration;
reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target));
}
return true;
}
}
}
return false;
}
function eachTypeRelatedToSomeType(source, target, reportErrors) {
var result = -1;
var sourceTypes = source.types;
for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) {
var sourceType = sourceTypes_1[_i];
var related = typeRelatedToSomeType(sourceType, target, false);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function typeRelatedToSomeType(source, target, reportErrors) {
var targetTypes = target.types;
if (target.flags & 524288 && containsType(targetTypes, source)) {
return -1;
}
var len = targetTypes.length;
for (var i = 0; i < len; i++) {
var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1);
if (related) {
return related;
}
}
return 0;
}
function typeRelatedToEachType(source, target, reportErrors) {
var result = -1;
var targetTypes = target.types;
for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) {
var targetType = targetTypes_1[_i];
var related = isRelatedTo(source, targetType, reportErrors);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function someTypeRelatedToType(source, target, reportErrors) {
var sourceTypes = source.types;
if (source.flags & 524288 && containsType(sourceTypes, target)) {
return -1;
}
var len = sourceTypes.length;
for (var i = 0; i < len; i++) {
var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1);
if (related) {
return related;
}
}
return 0;
}
function eachTypeRelatedToType(source, target, reportErrors) {
var result = -1;
var sourceTypes = source.types;
for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) {
var sourceType = sourceTypes_2[_i];
var related = isRelatedTo(sourceType, target, reportErrors);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function typeArgumentsRelatedTo(source, target, reportErrors) {
var sources = source.typeArguments || emptyArray;
var targets = target.typeArguments || emptyArray;
if (sources.length !== targets.length && relation === identityRelation) {
return 0;
}
var length = sources.length <= targets.length ? sources.length : targets.length;
var result = -1;
for (var i = 0; i < length; i++) {
var related = isRelatedTo(sources[i], targets[i], reportErrors);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function objectTypeRelatedTo(source, originalSource, target, reportErrors) {
if (overflow) {
return 0;
}
var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id;
var related = relation[id];
if (related !== undefined) {
if (reportErrors && related === 2) {
relation[id] = 3;
}
else {
return related === 1 ? -1 : 0;
}
}
if (depth > 0) {
for (var i = 0; i < depth; i++) {
if (maybeStack[i][id]) {
return 1;
}
}
if (depth === 100) {
overflow = true;
return 0;
}
}
else {
sourceStack = [];
targetStack = [];
maybeStack = [];
expandingFlags = 0;
}
sourceStack[depth] = source;
targetStack[depth] = target;
maybeStack[depth] = ts.createMap();
maybeStack[depth][id] = 1;
depth++;
var saveExpandingFlags = expandingFlags;
if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth))
expandingFlags |= 1;
if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth))
expandingFlags |= 2;
var result;
if (expandingFlags === 3) {
result = 1;
}
else {
result = propertiesRelatedTo(source, target, reportErrors);
if (result) {
result &= signaturesRelatedTo(source, target, 0, reportErrors);
if (result) {
result &= signaturesRelatedTo(source, target, 1, reportErrors);
if (result) {
result &= indexTypesRelatedTo(source, originalSource, target, 0, reportErrors);
if (result) {
result &= indexTypesRelatedTo(source, originalSource, target, 1, reportErrors);
}
}
}
}
}
expandingFlags = saveExpandingFlags;
depth--;
if (result) {
var maybeCache = maybeStack[depth];
var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1];
ts.copyProperties(maybeCache, destinationCache);
}
else {
relation[id] = reportErrors ? 3 : 2;
}
return result;
}
function propertiesRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
return propertiesIdenticalTo(source, target);
}
var result = -1;
var properties = getPropertiesOfObjectType(target);
var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 8388608);
for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) {
var targetProp = properties_1[_i];
var sourceProp = getPropertyOfType(source, targetProp.name);
if (sourceProp !== targetProp) {
if (!sourceProp) {
if (!(targetProp.flags & 536870912) || requireOptionalProperties) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source));
}
return 0;
}
}
else if (!(targetProp.flags & 134217728)) {
var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp);
var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp);
if (sourcePropFlags & 8 || targetPropFlags & 8) {
if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) {
if (reportErrors) {
if (sourcePropFlags & 8 && targetPropFlags & 8) {
reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp));
}
else {
reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 8 ? source : target), typeToString(sourcePropFlags & 8 ? target : source));
}
}
return 0;
}
}
else if (targetPropFlags & 16) {
var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32;
var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined;
var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp));
if (!sourceClass || !hasBaseType(sourceClass, targetClass)) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass));
}
return 0;
}
}
else if (sourcePropFlags & 16) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
}
return 0;
}
var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors);
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp));
}
return 0;
}
result &= related;
if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
}
return 0;
}
}
}
}
return result;
}
function propertiesIdenticalTo(source, target) {
if (!(source.flags & 2588672 && target.flags & 2588672)) {
return 0;
}
var sourceProperties = getPropertiesOfObjectType(source);
var targetProperties = getPropertiesOfObjectType(target);
if (sourceProperties.length !== targetProperties.length) {
return 0;
}
var result = -1;
for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) {
var sourceProp = sourceProperties_1[_i];
var targetProp = getPropertyOfObjectType(target, sourceProp.name);
if (!targetProp) {
return 0;
}
var related = compareProperties(sourceProp, targetProp, isRelatedTo);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function signaturesRelatedTo(source, target, kind, reportErrors) {
if (relation === identityRelation) {
return signaturesIdenticalTo(source, target, kind);
}
if (target === anyFunctionType || source === anyFunctionType) {
return -1;
}
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
if (kind === 1 && sourceSignatures.length && targetSignatures.length) {
if (isAbstractConstructorType(source) && !isAbstractConstructorType(target)) {
if (reportErrors) {
reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type);
}
return 0;
}
if (!constructorVisibilitiesAreCompatible(sourceSignatures[0], targetSignatures[0], reportErrors)) {
return 0;
}
}
var result = -1;
var saveErrorInfo = errorInfo;
outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) {
var t = targetSignatures_1[_i];
var shouldElaborateErrors = reportErrors;
for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) {
var s = sourceSignatures_1[_a];
var related = signatureRelatedTo(s, t, shouldElaborateErrors);
if (related) {
result &= related;
errorInfo = saveErrorInfo;
continue outer;
}
shouldElaborateErrors = false;
}
if (shouldElaborateErrors) {
reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind));
}
return 0;
}
return result;
}
function signatureRelatedTo(source, target, reportErrors) {
return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo);
}
function signaturesIdenticalTo(source, target, kind) {
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
if (sourceSignatures.length !== targetSignatures.length) {
return 0;
}
var result = -1;
for (var i = 0, len = sourceSignatures.length; i < len; i++) {
var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, false, isRelatedTo);
if (!related) {
return 0;
}
result &= related;
}
return result;
}
function eachPropertyRelatedTo(source, target, kind, reportErrors) {
var result = -1;
for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) {
var prop = _a[_i];
if (kind === 0 || isNumericLiteralName(prop.name)) {
var related = isRelatedTo(getTypeOfSymbol(prop), target, reportErrors);
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_incompatible_with_index_signature, symbolToString(prop));
}
return 0;
}
result &= related;
}
}
return result;
}
function indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors) {
var related = isRelatedTo(sourceInfo.type, targetInfo.type, reportErrors);
if (!related && reportErrors) {
reportError(ts.Diagnostics.Index_signatures_are_incompatible);
}
return related;
}
function indexTypesRelatedTo(source, originalSource, target, kind, reportErrors) {
if (relation === identityRelation) {
return indexTypesIdenticalTo(source, target, kind);
}
var targetInfo = getIndexInfoOfType(target, kind);
if (!targetInfo || ((targetInfo.type.flags & 1) && !(originalSource.flags & 8190))) {
return -1;
}
var sourceInfo = getIndexInfoOfType(source, kind) ||
kind === 1 && getIndexInfoOfType(source, 0);
if (sourceInfo) {
return indexInfoRelatedTo(sourceInfo, targetInfo, reportErrors);
}
if (isObjectLiteralType(source)) {
var related = -1;
if (kind === 0) {
var sourceNumberInfo = getIndexInfoOfType(source, 1);
if (sourceNumberInfo) {
related = indexInfoRelatedTo(sourceNumberInfo, targetInfo, reportErrors);
}
}
if (related) {
related &= eachPropertyRelatedTo(source, targetInfo.type, kind, reportErrors);
}
return related;
}
if (reportErrors) {
reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source));
}
return 0;
}
function indexTypesIdenticalTo(source, target, indexKind) {
var targetInfo = getIndexInfoOfType(target, indexKind);
var sourceInfo = getIndexInfoOfType(source, indexKind);
if (!sourceInfo && !targetInfo) {
return -1;
}
if (sourceInfo && targetInfo && sourceInfo.isReadonly === targetInfo.isReadonly) {
return isRelatedTo(sourceInfo.type, targetInfo.type);
}
return 0;
}
function constructorVisibilitiesAreCompatible(sourceSignature, targetSignature, reportErrors) {
if (!sourceSignature.declaration || !targetSignature.declaration) {
return true;
}
var sourceAccessibility = sourceSignature.declaration.flags & (8 | 16);
var targetAccessibility = targetSignature.declaration.flags & (8 | 16);
if (targetAccessibility === 8) {
return true;
}
if (targetAccessibility === 16 && sourceAccessibility !== 8) {
return true;
}
if (targetAccessibility !== 16 && !sourceAccessibility) {
return true;
}
if (reportErrors) {
reportError(ts.Diagnostics.Cannot_assign_a_0_constructor_type_to_a_1_constructor_type, visibilityToString(sourceAccessibility), visibilityToString(targetAccessibility));
}
return false;
}
}
function isAbstractConstructorType(type) {
if (type.flags & 2097152) {
var symbol = type.symbol;
if (symbol && symbol.flags & 32) {
var declaration = getClassLikeDeclarationOfSymbol(symbol);
if (declaration && declaration.flags & 128) {
return true;
}
}
}
return false;
}
function isDeeplyNestedGeneric(type, stack, depth) {
if (type.flags & (131072 | 4194304) && depth >= 5) {
var symbol = type.symbol;
var count = 0;
for (var i = 0; i < depth; i++) {
var t = stack[i];
if (t.flags & (131072 | 4194304) && t.symbol === symbol) {
count++;
if (count >= 5)
return true;
}
}
}
return false;
}
function isPropertyIdenticalTo(sourceProp, targetProp) {
return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0;
}
function compareProperties(sourceProp, targetProp, compareTypes) {
if (sourceProp === targetProp) {
return -1;
}
var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (8 | 16);
var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (8 | 16);
if (sourcePropAccessibility !== targetPropAccessibility) {
return 0;
}
if (sourcePropAccessibility) {
if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) {
return 0;
}
}
else {
if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) {
return 0;
}
}
if (isReadonlySymbol(sourceProp) !== isReadonlySymbol(targetProp)) {
return 0;
}
return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
}
function isMatchingSignature(source, target, partialMatch) {
if (source.parameters.length === target.parameters.length &&
source.minArgumentCount === target.minArgumentCount &&
source.hasRestParameter === target.hasRestParameter) {
return true;
}
var sourceRestCount = source.hasRestParameter ? 1 : 0;
var targetRestCount = target.hasRestParameter ? 1 : 0;
if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (sourceRestCount > targetRestCount ||
sourceRestCount === targetRestCount && source.parameters.length >= target.parameters.length)) {
return true;
}
return false;
}
function compareSignaturesIdentical(source, target, partialMatch, ignoreThisTypes, ignoreReturnTypes, compareTypes) {
if (source === target) {
return -1;
}
if (!(isMatchingSignature(source, target, partialMatch))) {
return 0;
}
if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) {
return 0;
}
source = getErasedSignature(source);
target = getErasedSignature(target);
var result = -1;
if (!ignoreThisTypes) {
var sourceThisType = getThisTypeOfSignature(source);
if (sourceThisType) {
var targetThisType = getThisTypeOfSignature(target);
if (targetThisType) {
var related = compareTypes(sourceThisType, targetThisType);
if (!related) {
return 0;
}
result &= related;
}
}
}
var targetLen = target.parameters.length;
for (var i = 0; i < targetLen; i++) {
var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfParameter(source.parameters[i]);
var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfParameter(target.parameters[i]);
var related = compareTypes(s, t);
if (!related) {
return 0;
}
result &= related;
}
if (!ignoreReturnTypes) {
result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target));
}
return result;
}
function isRestParameterIndex(signature, parameterIndex) {
return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1;
}
function isSupertypeOfEach(candidate, types) {
for (var _i = 0, types_7 = types; _i < types_7.length; _i++) {
var t = types_7[_i];
if (candidate !== t && !isTypeSubtypeOf(t, candidate))
return false;
}
return true;
}
function getCommonSupertype(types) {
if (!strictNullChecks) {
return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; });
}
var primaryTypes = ts.filter(types, function (t) { return !(t.flags & 6144); });
if (!primaryTypes.length) {
return getUnionType(types, true);
}
var supertype = ts.forEach(primaryTypes, function (t) { return isSupertypeOfEach(t, primaryTypes) ? t : undefined; });
return supertype && includeFalsyTypes(supertype, getFalsyFlagsOfTypes(types) & 6144);
}
function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) {
var bestSupertype;
var bestSupertypeDownfallType;
var bestSupertypeScore = 0;
for (var i = 0; i < types.length; i++) {
var score = 0;
var downfallType = undefined;
for (var j = 0; j < types.length; j++) {
if (isTypeSubtypeOf(types[j], types[i])) {
score++;
}
else if (!downfallType) {
downfallType = types[j];
}
}
ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType");
if (score > bestSupertypeScore) {
bestSupertype = types[i];
bestSupertypeDownfallType = downfallType;
bestSupertypeScore = score;
}
if (bestSupertypeScore === types.length - 1) {
break;
}
}
checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead);
}
function isArrayType(type) {
return type.flags & 131072 && type.target === globalArrayType;
}
function isArrayLikeType(type) {
return type.flags & 131072 && (type.target === globalArrayType || type.target === globalReadonlyArrayType) ||
!(type.flags & 6144) && isTypeAssignableTo(type, anyReadonlyArrayType);
}
function isTupleLikeType(type) {
return !!getPropertyOfType(type, "0");
}
function isUnitType(type) {
return (type.flags & (480 | 2048 | 4096)) !== 0;
}
function isUnitUnionType(type) {
return type.flags & 8 ? true :
type.flags & 524288 ? type.flags & 16 ? true : !ts.forEach(type.types, function (t) { return !isUnitType(t); }) :
isUnitType(type);
}
function getBaseTypeOfUnitType(type) {
return type.flags & 32 ? stringType :
type.flags & 64 ? numberType :
type.flags & 128 ? booleanType :
type.flags & 256 ? type.baseType :
type.flags & 524288 && !(type.flags & 16) ? getUnionType(ts.map(type.types, getBaseTypeOfUnitType)) :
type;
}
function isTupleType(type) {
return !!(type.flags & 131072 && type.target.flags & 262144);
}
function getFalsyFlagsOfTypes(types) {
var result = 0;
for (var _i = 0, types_8 = types; _i < types_8.length; _i++) {
var t = types_8[_i];
result |= getFalsyFlags(t);
}
return result;
}
function getFalsyFlags(type) {
return type.flags & 524288 ? getFalsyFlagsOfTypes(type.types) :
type.flags & 32 ? type === emptyStringType ? 32 : 0 :
type.flags & 64 ? type === zeroType ? 64 : 0 :
type.flags & 128 ? type === falseType ? 128 : 0 :
type.flags & 7406;
}
function includeFalsyTypes(type, flags) {
if ((getFalsyFlags(type) & flags) === flags) {
return type;
}
var types = [type];
if (flags & 34)
types.push(emptyStringType);
if (flags & 340)
types.push(zeroType);
if (flags & 136)
types.push(falseType);
if (flags & 1024)
types.push(voidType);
if (flags & 2048)
types.push(undefinedType);
if (flags & 4096)
types.push(nullType);
return getUnionType(types, true);
}
function removeDefinitelyFalsyTypes(type) {
return getFalsyFlags(type) & 7392 ?
filterType(type, function (t) { return !(getFalsyFlags(t) & 7392); }) :
type;
}
function getNonNullableType(type) {
return strictNullChecks ? getTypeWithFacts(type, 524288) : type;
}
function isObjectLiteralType(type) {
return type.symbol && (type.symbol.flags & (4096 | 2048)) !== 0 &&
getSignaturesOfType(type, 0).length === 0 &&
getSignaturesOfType(type, 1).length === 0;
}
function createTransientSymbol(source, type) {
var symbol = createSymbol(source.flags | 67108864, source.name);
symbol.declarations = source.declarations;
symbol.parent = source.parent;
symbol.type = type;
symbol.target = source;
if (source.valueDeclaration) {
symbol.valueDeclaration = source.valueDeclaration;
}
return symbol;
}
function transformTypeOfMembers(type, f) {
var members = ts.createMap();
for (var _i = 0, _a = getPropertiesOfObjectType(type); _i < _a.length; _i++) {
var property = _a[_i];
var original = getTypeOfSymbol(property);
var updated = f(original);
members[property.name] = updated === original ? property : createTransientSymbol(property, updated);
}
;
return members;
}
function getRegularTypeOfObjectLiteral(type) {
if (!(type.flags & 16777216)) {
return type;
}
var regularType = type.regularType;
if (regularType) {
return regularType;
}
var resolved = type;
var members = transformTypeOfMembers(type, getRegularTypeOfObjectLiteral);
var regularNew = createAnonymousType(resolved.symbol, members, resolved.callSignatures, resolved.constructSignatures, resolved.stringIndexInfo, resolved.numberIndexInfo);
regularNew.flags = resolved.flags & ~16777216;
type.regularType = regularNew;
return regularNew;
}
function getWidenedTypeOfObjectLiteral(type) {
var members = transformTypeOfMembers(type, function (prop) {
var widened = getWidenedType(prop);
return prop === widened ? prop : widened;
});
var stringIndexInfo = getIndexInfoOfType(type, 0);
var numberIndexInfo = getIndexInfoOfType(type, 1);
return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexInfo && createIndexInfo(getWidenedType(stringIndexInfo.type), stringIndexInfo.isReadonly), numberIndexInfo && createIndexInfo(getWidenedType(numberIndexInfo.type), numberIndexInfo.isReadonly));
}
function getWidenedConstituentType(type) {
return type.flags & 6144 ? type : getWidenedType(type);
}
function getWidenedType(type) {
if (type.flags & 100663296) {
if (type.flags & 6144) {
return anyType;
}
if (type.flags & 8388608) {
return getWidenedTypeOfObjectLiteral(type);
}
if (type.flags & 524288) {
return getUnionType(ts.map(type.types, getWidenedConstituentType));
}
if (isArrayType(type) || isTupleType(type)) {
return createTypeReference(type.target, ts.map(type.typeArguments, getWidenedType));
}
}
return type;
}
function reportWideningErrorsInType(type) {
var errorReported = false;
if (type.flags & 524288) {
for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
var t = _a[_i];
if (reportWideningErrorsInType(t)) {
errorReported = true;
}
}
}
if (isArrayType(type) || isTupleType(type)) {
for (var _b = 0, _c = type.typeArguments; _b < _c.length; _b++) {
var t = _c[_b];
if (reportWideningErrorsInType(t)) {
errorReported = true;
}
}
}
if (type.flags & 8388608) {
for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) {
var p = _e[_d];
var t = getTypeOfSymbol(p);
if (t.flags & 33554432) {
if (!reportWideningErrorsInType(t)) {
error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t)));
}
errorReported = true;
}
}
}
return errorReported;
}
function reportImplicitAnyError(declaration, type) {
var typeAsString = typeToString(getWidenedType(type));
var diagnostic;
switch (declaration.kind) {
case 145:
case 144:
diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type;
break;
case 142:
diagnostic = declaration.dotDotDotToken ?
ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type :
ts.Diagnostics.Parameter_0_implicitly_has_an_1_type;
break;
case 169:
diagnostic = ts.Diagnostics.Binding_element_0_implicitly_has_an_1_type;
break;
case 220:
case 147:
case 146:
case 149:
case 150:
case 179:
case 180:
if (!declaration.name) {
error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString);
return;
}
diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type;
break;
default:
diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type;
}
error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString);
}
function reportErrorsFromWidening(declaration, type) {
if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 33554432) {
if (!reportWideningErrorsInType(type)) {
reportImplicitAnyError(declaration, type);
}
}
}
function forEachMatchingParameterType(source, target, callback) {
var sourceMax = source.parameters.length;
var targetMax = target.parameters.length;
var count;
if (source.hasRestParameter && target.hasRestParameter) {
count = Math.max(sourceMax, targetMax);
}
else if (source.hasRestParameter) {
count = targetMax;
}
else if (target.hasRestParameter) {
count = sourceMax;
}
else {
count = Math.min(sourceMax, targetMax);
}
for (var i = 0; i < count; i++) {
callback(getTypeAtPosition(source, i), getTypeAtPosition(target, i));
}
}
function createInferenceContext(typeParameters, inferUnionTypes) {
var inferences = ts.map(typeParameters, createTypeInferencesObject);
return {
typeParameters: typeParameters,
inferUnionTypes: inferUnionTypes,
inferences: inferences,
inferredTypes: new Array(typeParameters.length)
};
}
function createTypeInferencesObject() {
return {
primary: undefined,
secondary: undefined,
isFixed: false
};
}
function couldContainTypeParameters(type) {
return !!(type.flags & 16384 ||
type.flags & 131072 && ts.forEach(type.typeArguments, couldContainTypeParameters) ||
type.flags & 2097152 && type.symbol && type.symbol.flags & (8192 | 2048 | 32) ||
type.flags & 1572864 && couldUnionOrIntersectionContainTypeParameters(type));
}
function couldUnionOrIntersectionContainTypeParameters(type) {
if (type.couldContainTypeParameters === undefined) {
type.couldContainTypeParameters = ts.forEach(type.types, couldContainTypeParameters);
}
return type.couldContainTypeParameters;
}
function inferTypes(context, source, target) {
var sourceStack;
var targetStack;
var depth = 0;
var inferiority = 0;
var visited = ts.createMap();
inferFromTypes(source, target);
function isInProcess(source, target) {
for (var i = 0; i < depth; i++) {
if (source === sourceStack[i] && target === targetStack[i]) {
return true;
}
}
return false;
}
function inferFromTypes(source, target) {
if (!couldContainTypeParameters(target)) {
return;
}
if (source.flags & 524288 && target.flags & 524288 && !(source.flags & 16 && target.flags & 16) ||
source.flags & 1048576 && target.flags & 1048576) {
if (source === target) {
for (var _i = 0, _a = source.types; _i < _a.length; _i++) {
var t = _a[_i];
inferFromTypes(t, t);
}
return;
}
var matchingTypes = void 0;
for (var _b = 0, _c = target.types; _b < _c.length; _b++) {
var t = _c[_b];
if (typeIdenticalToSomeType(t, source.types)) {
(matchingTypes || (matchingTypes = [])).push(t);
inferFromTypes(t, t);
}
}
if (matchingTypes) {
source = removeTypesFromUnionOrIntersection(source, matchingTypes);
target = removeTypesFromUnionOrIntersection(target, matchingTypes);
}
}
if (target.flags & 16384) {
if (source.flags & 134217728) {
return;
}
var typeParameters = context.typeParameters;
for (var i = 0; i < typeParameters.length; i++) {
if (target === typeParameters[i]) {
var inferences = context.inferences[i];
if (!inferences.isFixed) {
var candidates = inferiority ?
inferences.secondary || (inferences.secondary = []) :
inferences.primary || (inferences.primary = []);
if (!ts.contains(candidates, source)) {
candidates.push(source);
}
}
return;
}
}
}
else if (source.flags & 131072 && target.flags & 131072 && source.target === target.target) {
var sourceTypes = source.typeArguments || emptyArray;
var targetTypes = target.typeArguments || emptyArray;
var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length;
for (var i = 0; i < count; i++) {
inferFromTypes(sourceTypes[i], targetTypes[i]);
}
}
else if (target.flags & 1572864) {
var targetTypes = target.types;
var typeParameterCount = 0;
var typeParameter = void 0;
for (var _d = 0, targetTypes_2 = targetTypes; _d < targetTypes_2.length; _d++) {
var t = targetTypes_2[_d];
if (t.flags & 16384 && ts.contains(context.typeParameters, t)) {
typeParameter = t;
typeParameterCount++;
}
else {
inferFromTypes(source, t);
}
}
if (typeParameterCount === 1) {
inferiority++;
inferFromTypes(source, typeParameter);
inferiority--;
}
}
else if (source.flags & 1572864) {
var sourceTypes = source.types;
for (var _e = 0, sourceTypes_3 = sourceTypes; _e < sourceTypes_3.length; _e++) {
var sourceType = sourceTypes_3[_e];
inferFromTypes(sourceType, target);
}
}
else {
source = getApparentType(source);
if (source.flags & 2588672) {
if (isInProcess(source, target)) {
return;
}
if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) {
return;
}
var key = source.id + "," + target.id;
if (visited[key]) {
return;
}
visited[key] = true;
if (depth === 0) {
sourceStack = [];
targetStack = [];
}
sourceStack[depth] = source;
targetStack[depth] = target;
depth++;
inferFromProperties(source, target);
inferFromSignatures(source, target, 0);
inferFromSignatures(source, target, 1);
inferFromIndexTypes(source, target);
depth--;
}
}
}
function inferFromProperties(source, target) {
var properties = getPropertiesOfObjectType(target);
for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) {
var targetProp = properties_2[_i];
var sourceProp = getPropertyOfObjectType(source, targetProp.name);
if (sourceProp) {
inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
}
}
}
function inferFromSignatures(source, target, kind) {
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
var sourceLen = sourceSignatures.length;
var targetLen = targetSignatures.length;
var len = sourceLen < targetLen ? sourceLen : targetLen;
for (var i = 0; i < len; i++) {
inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i]));
}
}
function inferFromSignature(source, target) {
forEachMatchingParameterType(source, target, inferFromTypes);
if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) {
inferFromTypes(source.typePredicate.type, target.typePredicate.type);
}
else {
inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target));
}
}
function inferFromIndexTypes(source, target) {
var targetStringIndexType = getIndexTypeOfType(target, 0);
if (targetStringIndexType) {
var sourceIndexType = getIndexTypeOfType(source, 0) ||
getImplicitIndexTypeOfType(source, 0);
if (sourceIndexType) {
inferFromTypes(sourceIndexType, targetStringIndexType);
}
}
var targetNumberIndexType = getIndexTypeOfType(target, 1);
if (targetNumberIndexType) {
var sourceIndexType = getIndexTypeOfType(source, 1) ||
getIndexTypeOfType(source, 0) ||
getImplicitIndexTypeOfType(source, 1);
if (sourceIndexType) {
inferFromTypes(sourceIndexType, targetNumberIndexType);
}
}
}
}
function typeIdenticalToSomeType(type, types) {
for (var _i = 0, types_9 = types; _i < types_9.length; _i++) {
var t = types_9[_i];
if (isTypeIdenticalTo(t, type)) {
return true;
}
}
return false;
}
function removeTypesFromUnionOrIntersection(type, typesToRemove) {
var reducedTypes = [];
for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
var t = _a[_i];
if (!typeIdenticalToSomeType(t, typesToRemove)) {
reducedTypes.push(t);
}
}
return type.flags & 524288 ? getUnionType(reducedTypes) : getIntersectionType(reducedTypes);
}
function getInferenceCandidates(context, index) {
var inferences = context.inferences[index];
return inferences.primary || inferences.secondary || emptyArray;
}
function getInferredType(context, index) {
var inferredType = context.inferredTypes[index];
var inferenceSucceeded;
if (!inferredType) {
var inferences = getInferenceCandidates(context, index);
if (inferences.length) {
var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences, true) : getCommonSupertype(inferences);
inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType;
inferenceSucceeded = !!unionOrSuperType;
}
else {
inferredType = emptyObjectType;
inferenceSucceeded = true;
}
context.inferredTypes[index] = inferredType;
if (inferenceSucceeded) {
var constraint = getConstraintOfTypeParameter(context.typeParameters[index]);
if (constraint) {
var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context));
if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) {
context.inferredTypes[index] = inferredType = instantiatedConstraint;
}
}
}
else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) {
context.failedTypeParameterIndex = index;
}
}
return inferredType;
}
function getInferredTypes(context) {
for (var i = 0; i < context.inferredTypes.length; i++) {
getInferredType(context, i);
}
return context.inferredTypes;
}
function getResolvedSymbol(node) {
var links = getNodeLinks(node);
if (!links.resolvedSymbol) {
links.resolvedSymbol = !ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node) || unknownSymbol;
}
return links.resolvedSymbol;
}
function isInTypeQuery(node) {
while (node) {
switch (node.kind) {
case 158:
return true;
case 69:
case 139:
node = node.parent;
continue;
default:
return false;
}
}
ts.Debug.fail("should not get here");
}
function getFlowCacheKey(node) {
if (node.kind === 69) {
var symbol = getResolvedSymbol(node);
return symbol !== unknownSymbol ? "" + getSymbolId(symbol) : undefined;
}
if (node.kind === 97) {
return "0";
}
if (node.kind === 172) {
var key = getFlowCacheKey(node.expression);
return key && key + "." + node.name.text;
}
return undefined;
}
function getLeftmostIdentifierOrThis(node) {
switch (node.kind) {
case 69:
case 97:
return node;
case 172:
return getLeftmostIdentifierOrThis(node.expression);
}
return undefined;
}
function isMatchingReference(source, target) {
switch (source.kind) {
case 69:
return target.kind === 69 && getResolvedSymbol(source) === getResolvedSymbol(target) ||
(target.kind === 218 || target.kind === 169) &&
getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(source)) === getSymbolOfNode(target);
case 97:
return target.kind === 97;
case 172:
return target.kind === 172 &&
source.name.text === target.name.text &&
isMatchingReference(source.expression, target.expression);
}
return false;
}
function containsMatchingReference(source, target) {
while (source.kind === 172) {
source = source.expression;
if (isMatchingReference(source, target)) {
return true;
}
}
return false;
}
function containsMatchingReferenceDiscriminant(source, target) {
return target.kind === 172 &&
containsMatchingReference(source, target.expression) &&
isDiscriminantProperty(getDeclaredTypeOfReference(target.expression), target.name.text);
}
function getDeclaredTypeOfReference(expr) {
if (expr.kind === 69) {
return getTypeOfSymbol(getResolvedSymbol(expr));
}
if (expr.kind === 172) {
var type = getDeclaredTypeOfReference(expr.expression);
return type && getTypeOfPropertyOfType(type, expr.name.text);
}
return undefined;
}
function isDiscriminantProperty(type, name) {
if (type && type.flags & 524288) {
var prop = getPropertyOfType(type, name);
if (!prop) {
var filteredType = getTypeWithFacts(type, 4194304);
if (filteredType !== type && filteredType.flags & 524288) {
prop = getPropertyOfType(filteredType, name);
}
}
if (prop && prop.flags & 268435456) {
if (prop.isDiscriminantProperty === undefined) {
prop.isDiscriminantProperty = !prop.hasCommonType &&
isUnitUnionType(getTypeOfSymbol(prop));
}
return prop.isDiscriminantProperty;
}
}
return false;
}
function isOrContainsMatchingReference(source, target) {
return isMatchingReference(source, target) || containsMatchingReference(source, target);
}
function hasMatchingArgument(callExpression, reference) {
if (callExpression.arguments) {
for (var _i = 0, _a = callExpression.arguments; _i < _a.length; _i++) {
var argument = _a[_i];
if (isOrContainsMatchingReference(reference, argument)) {
return true;
}
}
}
if (callExpression.expression.kind === 172 &&
isOrContainsMatchingReference(reference, callExpression.expression.expression)) {
return true;
}
return false;
}
function getFlowNodeId(flow) {
if (!flow.id) {
flow.id = nextFlowId;
nextFlowId++;
}
return flow.id;
}
function typeMaybeAssignableTo(source, target) {
if (!(source.flags & 524288)) {
return isTypeAssignableTo(source, target);
}
for (var _i = 0, _a = source.types; _i < _a.length; _i++) {
var t = _a[_i];
if (isTypeAssignableTo(t, target)) {
return true;
}
}
return false;
}
function getAssignmentReducedType(declaredType, assignedType) {
if (declaredType !== assignedType) {
var reducedType = filterType(declaredType, function (t) { return typeMaybeAssignableTo(assignedType, t); });
if (reducedType !== neverType) {
return reducedType;
}
}
return declaredType;
}
function getTypeFactsOfTypes(types) {
var result = 0;
for (var _i = 0, types_10 = types; _i < types_10.length; _i++) {
var t = types_10[_i];
result |= getTypeFacts(t);
}
return result;
}
function isFunctionObjectType(type) {
var resolved = resolveStructuredTypeMembers(type);
return !!(resolved.callSignatures.length || resolved.constructSignatures.length ||
resolved.members["bind"] && isTypeSubtypeOf(type, globalFunctionType));
}
function getTypeFacts(type) {
var flags = type.flags;
if (flags & 2) {
return strictNullChecks ? 4079361 : 4194049;
}
if (flags & 32) {
return strictNullChecks ?
type === emptyStringType ? 3030785 : 1982209 :
type === emptyStringType ? 3145473 : 4194049;
}
if (flags & (4 | 16)) {
return strictNullChecks ? 4079234 : 4193922;
}
if (flags & (64 | 256)) {
var isZero = type === zeroType || type.flags & 256 && type.text === "0";
return strictNullChecks ?
isZero ? 3030658 : 1982082 :
isZero ? 3145346 : 4193922;
}
if (flags & 8) {
return strictNullChecks ? 4078980 : 4193668;
}
if (flags & 136) {
return strictNullChecks ?
type === falseType ? 3030404 : 1981828 :
type === falseType ? 3145092 : 4193668;
}
if (flags & 2588672) {
return isFunctionObjectType(type) ?
strictNullChecks ? 6164448 : 8376288 :
strictNullChecks ? 6166480 : 8378320;
}
if (flags & (1024 | 2048)) {
return 2457472;
}
if (flags & 4096) {
return 2340752;
}
if (flags & 512) {
return strictNullChecks ? 1981320 : 4193160;
}
if (flags & 16384) {
var constraint = getConstraintOfTypeParameter(type);
return getTypeFacts(constraint || emptyObjectType);
}
if (flags & 1572864) {
return getTypeFactsOfTypes(type.types);
}
return 8388607;
}
function getTypeWithFacts(type, include) {
return filterType(type, function (t) { return (getTypeFacts(t) & include) !== 0; });
}
function getTypeWithDefault(type, defaultExpression) {
if (defaultExpression) {
var defaultType = checkExpression(defaultExpression);
return getUnionType([getTypeWithFacts(type, 131072), defaultType]);
}
return type;
}
function getTypeOfDestructuredProperty(type, name) {
var text = getTextOfPropertyName(name);
return getTypeOfPropertyOfType(type, text) ||
isNumericLiteralName(text) && getIndexTypeOfType(type, 1) ||
getIndexTypeOfType(type, 0) ||
unknownType;
}
function getTypeOfDestructuredArrayElement(type, index) {
return isTupleLikeType(type) && getTypeOfPropertyOfType(type, "" + index) ||
checkIteratedTypeOrElementType(type, undefined, false) ||
unknownType;
}
function getTypeOfDestructuredSpreadElement(type) {
return createArrayType(checkIteratedTypeOrElementType(type, undefined, false) || unknownType);
}
function getAssignedTypeOfBinaryExpression(node) {
return node.parent.kind === 170 || node.parent.kind === 253 ?
getTypeWithDefault(getAssignedType(node), node.right) :
checkExpression(node.right);
}
function getAssignedTypeOfArrayLiteralElement(node, element) {
return getTypeOfDestructuredArrayElement(getAssignedType(node), ts.indexOf(node.elements, element));
}
function getAssignedTypeOfSpreadElement(node) {
return getTypeOfDestructuredSpreadElement(getAssignedType(node.parent));
}
function getAssignedTypeOfPropertyAssignment(node) {
return getTypeOfDestructuredProperty(getAssignedType(node.parent), node.name);
}
function getAssignedTypeOfShorthandPropertyAssignment(node) {
return getTypeWithDefault(getAssignedTypeOfPropertyAssignment(node), node.objectAssignmentInitializer);
}
function getAssignedType(node) {
var parent = node.parent;
switch (parent.kind) {
case 207:
return stringType;
case 208:
return checkRightHandSideOfForOf(parent.expression) || unknownType;
case 187:
return getAssignedTypeOfBinaryExpression(parent);
case 181:
return undefinedType;
case 170:
return getAssignedTypeOfArrayLiteralElement(parent, node);
case 191:
return getAssignedTypeOfSpreadElement(parent);
case 253:
return getAssignedTypeOfPropertyAssignment(parent);
case 254:
return getAssignedTypeOfShorthandPropertyAssignment(parent);
}
return unknownType;
}
function getInitialTypeOfBindingElement(node) {
var pattern = node.parent;
var parentType = getInitialType(pattern.parent);
var type = pattern.kind === 167 ?
getTypeOfDestructuredProperty(parentType, node.propertyName || node.name) :
!node.dotDotDotToken ?
getTypeOfDestructuredArrayElement(parentType, ts.indexOf(pattern.elements, node)) :
getTypeOfDestructuredSpreadElement(parentType);
return getTypeWithDefault(type, node.initializer);
}
function getTypeOfInitializer(node) {
var links = getNodeLinks(node);
return links.resolvedType || checkExpression(node);
}
function getInitialTypeOfVariableDeclaration(node) {
if (node.initializer) {
return getTypeOfInitializer(node.initializer);
}
if (node.parent.parent.kind === 207) {
return stringType;
}
if (node.parent.parent.kind === 208) {
return checkRightHandSideOfForOf(node.parent.parent.expression) || unknownType;
}
return unknownType;
}
function getInitialType(node) {
return node.kind === 218 ?
getInitialTypeOfVariableDeclaration(node) :
getInitialTypeOfBindingElement(node);
}
function getInitialOrAssignedType(node) {
return node.kind === 218 || node.kind === 169 ?
getInitialType(node) :
getAssignedType(node);
}
function getReferenceCandidate(node) {
switch (node.kind) {
case 178:
return getReferenceCandidate(node.expression);
case 187:
switch (node.operatorToken.kind) {
case 56:
return getReferenceCandidate(node.left);
case 24:
return getReferenceCandidate(node.right);
}
}
return node;
}
function getTypeOfSwitchClause(clause) {
if (clause.kind === 249) {
var caseType = checkExpression(clause.expression);
return isUnitType(caseType) ? caseType : undefined;
}
return neverType;
}
function getSwitchClauseTypes(switchStatement) {
var links = getNodeLinks(switchStatement);
if (!links.switchTypes) {
var types = ts.map(switchStatement.caseBlock.clauses, getTypeOfSwitchClause);
links.switchTypes = !ts.contains(types, undefined) ? types : emptyArray;
}
return links.switchTypes;
}
function eachTypeContainedIn(source, types) {
return source.flags & 524288 ? !ts.forEach(source.types, function (t) { return !ts.contains(types, t); }) : ts.contains(types, source);
}
function isTypeSubsetOf(source, target) {
return source === target || target.flags & 524288 && isTypeSubsetOfUnion(source, target);
}
function isTypeSubsetOfUnion(source, target) {
if (source.flags & 524288) {
for (var _i = 0, _a = source.types; _i < _a.length; _i++) {
var t = _a[_i];
if (!containsType(target.types, t)) {
return false;
}
}
return true;
}
if (source.flags & 256 && target.flags & 16 && source.baseType === target) {
return true;
}
return containsType(target.types, source);
}
function filterType(type, f) {
if (type.flags & 524288) {
var types = type.types;
var filtered = ts.filter(types, f);
return filtered === types ? type : getUnionTypeFromSortedList(filtered);
}
return f(type) ? type : neverType;
}
function isIncomplete(flowType) {
return flowType.flags === 0;
}
function getTypeFromFlowType(flowType) {
return flowType.flags === 0 ? flowType.type : flowType;
}
function createFlowType(type, incomplete) {
return incomplete ? { flags: 0, type: type } : type;
}
function getFlowTypeOfReference(reference, declaredType, assumeInitialized, flowContainer) {
var key;
if (!reference.flowNode || assumeInitialized && !(declaredType.flags & 4178943)) {
return declaredType;
}
var initialType = assumeInitialized ? declaredType : includeFalsyTypes(declaredType, 2048);
var visitedFlowStart = visitedFlowCount;
var result = getTypeFromFlowType(getTypeAtFlowNode(reference.flowNode));
visitedFlowCount = visitedFlowStart;
if (reference.parent.kind === 196 && getTypeWithFacts(result, 524288) === neverType) {
return declaredType;
}
return result;
function getTypeAtFlowNode(flow) {
while (true) {
if (flow.flags & 512) {
for (var i = visitedFlowStart; i < visitedFlowCount; i++) {
if (visitedFlowNodes[i] === flow) {
return visitedFlowTypes[i];
}
}
}
var type = void 0;
if (flow.flags & 16) {
type = getTypeAtFlowAssignment(flow);
if (!type) {
flow = flow.antecedent;
continue;
}
}
else if (flow.flags & 96) {
type = getTypeAtFlowCondition(flow);
}
else if (flow.flags & 128) {
type = getTypeAtSwitchClause(flow);
}
else if (flow.flags & 12) {
if (flow.antecedents.length === 1) {
flow = flow.antecedents[0];
continue;
}
type = flow.flags & 4 ?
getTypeAtFlowBranchLabel(flow) :
getTypeAtFlowLoopLabel(flow);
}
else if (flow.flags & 2) {
var container = flow.container;
if (container && container !== flowContainer && reference.kind !== 172) {
flow = container.flowNode;
continue;
}
type = initialType;
}
else {
type = declaredType;
}
if (flow.flags & 512) {
visitedFlowNodes[visitedFlowCount] = flow;
visitedFlowTypes[visitedFlowCount] = type;
visitedFlowCount++;
}
return type;
}
}
function getTypeAtFlowAssignment(flow) {
var node = flow.node;
if (isMatchingReference(reference, node)) {
return declaredType.flags & 524288 ?
getAssignmentReducedType(declaredType, getInitialOrAssignedType(node)) :
declaredType;
}
if (containsMatchingReference(reference, node)) {
return declaredType;
}
return undefined;
}
function getTypeAtFlowCondition(flow) {
var flowType = getTypeAtFlowNode(flow.antecedent);
var type = getTypeFromFlowType(flowType);
if (type !== neverType) {
var assumeTrue = (flow.flags & 32) !== 0;
type = narrowType(type, flow.expression, assumeTrue);
if (type === neverType && isIncomplete(flowType)) {
type = narrowType(declaredType, flow.expression, assumeTrue);
}
}
return createFlowType(type, isIncomplete(flowType));
}
function getTypeAtSwitchClause(flow) {
var flowType = getTypeAtFlowNode(flow.antecedent);
var type = getTypeFromFlowType(flowType);
var expr = flow.switchStatement.expression;
if (isMatchingReference(reference, expr)) {
type = narrowTypeBySwitchOnDiscriminant(type, flow.switchStatement, flow.clauseStart, flow.clauseEnd);
}
else if (isMatchingReferenceDiscriminant(expr)) {
type = narrowTypeByDiscriminant(type, expr, function (t) { return narrowTypeBySwitchOnDiscriminant(t, flow.switchStatement, flow.clauseStart, flow.clauseEnd); });
}
return createFlowType(type, isIncomplete(flowType));
}
function getTypeAtFlowBranchLabel(flow) {
var antecedentTypes = [];
var subtypeReduction = false;
var seenIncomplete = false;
for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) {
var antecedent = _a[_i];
var flowType = getTypeAtFlowNode(antecedent);
var type = getTypeFromFlowType(flowType);
if (type === declaredType && declaredType === initialType) {
return type;
}
if (!ts.contains(antecedentTypes, type)) {
antecedentTypes.push(type);
}
if (!isTypeSubsetOf(type, declaredType)) {
subtypeReduction = true;
}
if (isIncomplete(flowType)) {
seenIncomplete = true;
}
}
return createFlowType(getUnionType(antecedentTypes, subtypeReduction), seenIncomplete);
}
function getTypeAtFlowLoopLabel(flow) {
var id = getFlowNodeId(flow);
var cache = flowLoopCaches[id] || (flowLoopCaches[id] = ts.createMap());
if (!key) {
key = getFlowCacheKey(reference);
}
if (cache[key]) {
return cache[key];
}
for (var i = flowLoopStart; i < flowLoopCount; i++) {
if (flowLoopNodes[i] === flow && flowLoopKeys[i] === key) {
return createFlowType(getUnionType(flowLoopTypes[i]), true);
}
}
var antecedentTypes = [];
var subtypeReduction = false;
var firstAntecedentType;
flowLoopNodes[flowLoopCount] = flow;
flowLoopKeys[flowLoopCount] = key;
flowLoopTypes[flowLoopCount] = antecedentTypes;
for (var _i = 0, _a = flow.antecedents; _i < _a.length; _i++) {
var antecedent = _a[_i];
flowLoopCount++;
var flowType = getTypeAtFlowNode(antecedent);
flowLoopCount--;
if (!firstAntecedentType) {
firstAntecedentType = flowType;
}
var type = getTypeFromFlowType(flowType);
if (cache[key]) {
return cache[key];
}
if (!ts.contains(antecedentTypes, type)) {
antecedentTypes.push(type);
}
if (!isTypeSubsetOf(type, declaredType)) {
subtypeReduction = true;
}
if (type === declaredType) {
break;
}
}
var result = getUnionType(antecedentTypes, subtypeReduction);
if (isIncomplete(firstAntecedentType)) {
return createFlowType(result, true);
}
return cache[key] = result;
}
function isMatchingReferenceDiscriminant(expr) {
return expr.kind === 172 &&
declaredType.flags & 524288 &&
isMatchingReference(reference, expr.expression) &&
isDiscriminantProperty(declaredType, expr.name.text);
}
function narrowTypeByDiscriminant(type, propAccess, narrowType) {
var propName = propAccess.name.text;
var propType = getTypeOfPropertyOfType(type, propName);
var narrowedPropType = propType && narrowType(propType);
return propType === narrowedPropType ? type : filterType(type, function (t) { return isTypeComparableTo(getTypeOfPropertyOfType(t, propName), narrowedPropType); });
}
function narrowTypeByTruthiness(type, expr, assumeTrue) {
if (isMatchingReference(reference, expr)) {
return getTypeWithFacts(type, assumeTrue ? 1048576 : 2097152);
}
if (isMatchingReferenceDiscriminant(expr)) {
return narrowTypeByDiscriminant(type, expr, function (t) { return getTypeWithFacts(t, assumeTrue ? 1048576 : 2097152); });
}
if (containsMatchingReferenceDiscriminant(reference, expr)) {
return declaredType;
}
return type;
}
function narrowTypeByBinaryExpression(type, expr, assumeTrue) {
switch (expr.operatorToken.kind) {
case 56:
return narrowTypeByTruthiness(type, expr.left, assumeTrue);
case 30:
case 31:
case 32:
case 33:
var operator_1 = expr.operatorToken.kind;
var left_1 = getReferenceCandidate(expr.left);
var right_1 = getReferenceCandidate(expr.right);
if (left_1.kind === 182 && right_1.kind === 9) {
return narrowTypeByTypeof(type, left_1, operator_1, right_1, assumeTrue);
}
if (right_1.kind === 182 && left_1.kind === 9) {
return narrowTypeByTypeof(type, right_1, operator_1, left_1, assumeTrue);
}
if (isMatchingReference(reference, left_1)) {
return narrowTypeByEquality(type, operator_1, right_1, assumeTrue);
}
if (isMatchingReference(reference, right_1)) {
return narrowTypeByEquality(type, operator_1, left_1, assumeTrue);
}
if (isMatchingReferenceDiscriminant(left_1)) {
return narrowTypeByDiscriminant(type, left_1, function (t) { return narrowTypeByEquality(t, operator_1, right_1, assumeTrue); });
}
if (isMatchingReferenceDiscriminant(right_1)) {
return narrowTypeByDiscriminant(type, right_1, function (t) { return narrowTypeByEquality(t, operator_1, left_1, assumeTrue); });
}
if (containsMatchingReferenceDiscriminant(reference, left_1) || containsMatchingReferenceDiscriminant(reference, right_1)) {
return declaredType;
}
break;
case 91:
return narrowTypeByInstanceof(type, expr, assumeTrue);
case 24:
return narrowType(type, expr.right, assumeTrue);
}
return type;
}
function narrowTypeByEquality(type, operator, value, assumeTrue) {
if (type.flags & 1) {
return type;
}
if (operator === 31 || operator === 33) {
assumeTrue = !assumeTrue;
}
var valueType = checkExpression(value);
if (valueType.flags & 6144) {
if (!strictNullChecks) {
return type;
}
var doubleEquals = operator === 30 || operator === 31;
var facts = doubleEquals ?
assumeTrue ? 65536 : 524288 :
value.kind === 93 ?
assumeTrue ? 32768 : 262144 :
assumeTrue ? 16384 : 131072;
return getTypeWithFacts(type, facts);
}
if (type.flags & 2589191) {
return type;
}
if (assumeTrue) {
var narrowedType = filterType(type, function (t) { return areTypesComparable(t, valueType); });
return narrowedType !== neverType ? narrowedType : type;
}
return isUnitType(valueType) ? filterType(type, function (t) { return t !== valueType; }) : type;
}
function narrowTypeByTypeof(type, typeOfExpr, operator, literal, assumeTrue) {
var target = getReferenceCandidate(typeOfExpr.expression);
if (!isMatchingReference(reference, target)) {
if (containsMatchingReference(reference, target)) {
return declaredType;
}
return type;
}
if (operator === 31 || operator === 33) {
assumeTrue = !assumeTrue;
}
if (assumeTrue && !(type.flags & 524288)) {
var targetType = typeofTypesByName[literal.text];
if (targetType && isTypeSubtypeOf(targetType, type)) {
return targetType;
}
}
var facts = assumeTrue ?
typeofEQFacts[literal.text] || 64 :
typeofNEFacts[literal.text] || 8192;
return getTypeWithFacts(type, facts);
}
function narrowTypeBySwitchOnDiscriminant(type, switchStatement, clauseStart, clauseEnd) {
var switchTypes = getSwitchClauseTypes(switchStatement);
if (!switchTypes.length) {
return type;
}
var clauseTypes = switchTypes.slice(clauseStart, clauseEnd);
var hasDefaultClause = clauseStart === clauseEnd || ts.contains(clauseTypes, neverType);
var discriminantType = getUnionType(clauseTypes);
var caseType = discriminantType === neverType ? neverType : filterType(type, function (t) { return isTypeComparableTo(discriminantType, t); });
if (!hasDefaultClause) {
return caseType;
}
var defaultType = filterType(type, function (t) { return !(isUnitType(t) && ts.contains(switchTypes, t)); });
return caseType === neverType ? defaultType : getUnionType([caseType, defaultType]);
}
function narrowTypeByInstanceof(type, expr, assumeTrue) {
var left = getReferenceCandidate(expr.left);
if (!isMatchingReference(reference, left)) {
if (containsMatchingReference(reference, left)) {
return declaredType;
}
return type;
}
var rightType = checkExpression(expr.right);
if (!isTypeSubtypeOf(rightType, globalFunctionType)) {
return type;
}
var targetType;
var prototypeProperty = getPropertyOfType(rightType, "prototype");
if (prototypeProperty) {
var prototypePropertyType = getTypeOfSymbol(prototypeProperty);
if (!isTypeAny(prototypePropertyType)) {
targetType = prototypePropertyType;
}
}
if (isTypeAny(type) && (targetType === globalObjectType || targetType === globalFunctionType)) {
return type;
}
if (!targetType) {
var constructSignatures = void 0;
if (rightType.flags & 65536) {
constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures;
}
else if (rightType.flags & 2097152) {
constructSignatures = getSignaturesOfType(rightType, 1);
}
if (constructSignatures && constructSignatures.length) {
targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); }));
}
}
if (targetType) {
return getNarrowedType(type, targetType, assumeTrue);
}
return type;
}
function getNarrowedType(type, candidate, assumeTrue) {
if (!assumeTrue) {
return filterType(type, function (t) { return !isTypeInstanceOf(t, candidate); });
}
if (type.flags & 524288) {
var assignableType = filterType(type, function (t) { return isTypeInstanceOf(t, candidate); });
if (assignableType !== neverType) {
return assignableType;
}
}
var targetType = type.flags & 16384 ? getApparentType(type) : type;
return isTypeSubtypeOf(candidate, type) ? candidate :
isTypeAssignableTo(type, candidate) ? type :
isTypeAssignableTo(candidate, targetType) ? candidate :
getIntersectionType([type, candidate]);
}
function narrowTypeByTypePredicate(type, callExpression, assumeTrue) {
if (!hasMatchingArgument(callExpression, reference)) {
return type;
}
var signature = getResolvedSignature(callExpression);
var predicate = signature.typePredicate;
if (!predicate) {
return type;
}
if (isTypeAny(type) && (predicate.type === globalObjectType || predicate.type === globalFunctionType)) {
return type;
}
if (ts.isIdentifierTypePredicate(predicate)) {
var predicateArgument = callExpression.arguments[predicate.parameterIndex];
if (predicateArgument) {
if (isMatchingReference(reference, predicateArgument)) {
return getNarrowedType(type, predicate.type, assumeTrue);
}
if (containsMatchingReference(reference, predicateArgument)) {
return declaredType;
}
}
}
else {
var invokedExpression = skipParenthesizedNodes(callExpression.expression);
if (invokedExpression.kind === 173 || invokedExpression.kind === 172) {
var accessExpression = invokedExpression;
var possibleReference = skipParenthesizedNodes(accessExpression.expression);
if (isMatchingReference(reference, possibleReference)) {
return getNarrowedType(type, predicate.type, assumeTrue);
}
if (containsMatchingReference(reference, possibleReference)) {
return declaredType;
}
}
}
return type;
}
function narrowType(type, expr, assumeTrue) {
switch (expr.kind) {
case 69:
case 97:
case 172:
return narrowTypeByTruthiness(type, expr, assumeTrue);
case 174:
return narrowTypeByTypePredicate(type, expr, assumeTrue);
case 178:
return narrowType(type, expr.expression, assumeTrue);
case 187:
return narrowTypeByBinaryExpression(type, expr, assumeTrue);
case 185:
if (expr.operator === 49) {
return narrowType(type, expr.operand, !assumeTrue);
}
break;
}
return type;
}
}
function getTypeOfSymbolAtLocation(symbol, location) {
if (location.kind === 69) {
if (ts.isRightSideOfQualifiedNameOrPropertyAccess(location)) {
location = location.parent;
}
if (ts.isExpression(location) && !ts.isAssignmentTarget(location)) {
var type = checkExpression(location);
if (getExportSymbolOfValueSymbolIfExported(getNodeLinks(location).resolvedSymbol) === symbol) {
return type;
}
}
}
return getTypeOfSymbol(symbol);
}
function skipParenthesizedNodes(expression) {
while (expression.kind === 178) {
expression = expression.expression;
}
return expression;
}
function getControlFlowContainer(node) {
while (true) {
node = node.parent;
if (ts.isFunctionLike(node) && !ts.getImmediatelyInvokedFunctionExpression(node) ||
node.kind === 226 ||
node.kind === 256 ||
node.kind === 145) {
return node;
}
}
}
function isParameterAssigned(symbol) {
var func = ts.getRootDeclaration(symbol.valueDeclaration).parent;
var links = getNodeLinks(func);
if (!(links.flags & 4194304)) {
links.flags |= 4194304;
if (!hasParentWithAssignmentsMarked(func)) {
markParameterAssignments(func);
}
}
return symbol.isAssigned || false;
}
function hasParentWithAssignmentsMarked(node) {
while (true) {
node = node.parent;
if (!node) {
return false;
}
if (ts.isFunctionLike(node) && getNodeLinks(node).flags & 4194304) {
return true;
}
}
}
function markParameterAssignments(node) {
if (node.kind === 69) {
if (ts.isAssignmentTarget(node)) {
var symbol = getResolvedSymbol(node);
if (symbol.valueDeclaration && ts.getRootDeclaration(symbol.valueDeclaration).kind === 142) {
symbol.isAssigned = true;
}
}
}
else {
ts.forEachChild(node, markParameterAssignments);
}
}
function checkIdentifier(node) {
var symbol = getResolvedSymbol(node);
if (symbol === argumentsSymbol) {
var container = ts.getContainingFunction(node);
if (container.kind === 180) {
if (languageVersion < 2) {
error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression);
}
}
if (node.flags & 33554432) {
getNodeLinks(container).flags |= 8192;
}
}
if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) {
markAliasSymbolAsReferenced(symbol);
}
var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol);
if (languageVersion === 2
&& localOrExportSymbol.flags & 32
&& localOrExportSymbol.valueDeclaration.kind === 221
&& ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) {
var container = ts.getContainingClass(node);
while (container !== undefined) {
if (container === localOrExportSymbol.valueDeclaration && container.name !== node) {
getNodeLinks(container).flags |= 524288;
getNodeLinks(node).flags |= 1048576;
break;
}
container = ts.getContainingClass(container);
}
}
checkCollisionWithCapturedSuperVariable(node, node);
checkCollisionWithCapturedThisVariable(node, node);
checkNestedBlockScopedBinding(node, symbol);
var type = getTypeOfSymbol(localOrExportSymbol);
var declaration = localOrExportSymbol.valueDeclaration;
if (!(localOrExportSymbol.flags & 3) || ts.isAssignmentTarget(node) || !declaration) {
return type;
}
var isParameter = ts.getRootDeclaration(declaration).kind === 142;
var declarationContainer = getControlFlowContainer(declaration);
var flowContainer = getControlFlowContainer(node);
var isOuterVariable = flowContainer !== declarationContainer;
while (flowContainer !== declarationContainer &&
(flowContainer.kind === 179 || flowContainer.kind === 180) &&
(isReadonlySymbol(localOrExportSymbol) || isParameter && !isParameterAssigned(localOrExportSymbol))) {
flowContainer = getControlFlowContainer(flowContainer);
}
var assumeInitialized = !strictNullChecks || (type.flags & 1) !== 0 || isParameter ||
isOuterVariable || ts.isInAmbientContext(declaration);
var flowType = getFlowTypeOfReference(node, type, assumeInitialized, flowContainer);
if (!assumeInitialized && !(getFalsyFlags(type) & 2048) && getFalsyFlags(flowType) & 2048) {
error(node, ts.Diagnostics.Variable_0_is_used_before_being_assigned, symbolToString(symbol));
return type;
}
return flowType;
}
function isInsideFunction(node, threshold) {
var current = node;
while (current && current !== threshold) {
if (ts.isFunctionLike(current)) {
return true;
}
current = current.parent;
}
return false;
}
function checkNestedBlockScopedBinding(node, symbol) {
if (languageVersion >= 2 ||
(symbol.flags & (2 | 32)) === 0 ||
symbol.valueDeclaration.parent.kind === 252) {
return;
}
var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration);
var usedInFunction = isInsideFunction(node.parent, container);
var current = container;
var containedInIterationStatement = false;
while (current && !ts.nodeStartsNewLexicalEnvironment(current)) {
if (ts.isIterationStatement(current, false)) {
containedInIterationStatement = true;
break;
}
current = current.parent;
}
if (containedInIterationStatement) {
if (usedInFunction) {
getNodeLinks(current).flags |= 65536;
}
if (container.kind === 206 &&
ts.getAncestor(symbol.valueDeclaration, 219).parent === container &&
isAssignedInBodyOfForStatement(node, container)) {
getNodeLinks(symbol.valueDeclaration).flags |= 2097152;
}
getNodeLinks(symbol.valueDeclaration).flags |= 262144;
}
if (usedInFunction) {
getNodeLinks(symbol.valueDeclaration).flags |= 131072;
}
}
function isAssignedInBodyOfForStatement(node, container) {
var current = node;
while (current.parent.kind === 178) {
current = current.parent;
}
var isAssigned = false;
if (ts.isAssignmentTarget(current)) {
isAssigned = true;
}
else if ((current.parent.kind === 185 || current.parent.kind === 186)) {
var expr = current.parent;
isAssigned = expr.operator === 41 || expr.operator === 42;
}
if (!isAssigned) {
return false;
}
while (current !== container) {
if (current === container.statement) {
return true;
}
else {
current = current.parent;
}
}
return false;
}
function captureLexicalThis(node, container) {
getNodeLinks(node).flags |= 2;
if (container.kind === 145 || container.kind === 148) {
var classNode = container.parent;
getNodeLinks(classNode).flags |= 4;
}
else {
getNodeLinks(container).flags |= 4;
}
}
function findFirstSuperCall(n) {
if (ts.isSuperCallExpression(n)) {
return n;
}
else if (ts.isFunctionLike(n)) {
return undefined;
}
return ts.forEachChild(n, findFirstSuperCall);
}
function getSuperCallInConstructor(constructor) {
var links = getNodeLinks(constructor);
if (links.hasSuperCall === undefined) {
links.superCall = findFirstSuperCall(constructor.body);
links.hasSuperCall = links.superCall ? true : false;
}
return links.superCall;
}
function classDeclarationExtendsNull(classDecl) {
var classSymbol = getSymbolOfNode(classDecl);
var classInstanceType = getDeclaredTypeOfSymbol(classSymbol);
var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType);
return baseConstructorType === nullWideningType;
}
function checkThisExpression(node) {
var container = ts.getThisContainer(node, true);
var needToCaptureLexicalThis = false;
if (container.kind === 148) {
var containingClassDecl = container.parent;
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl);
if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) {
var superCall = getSuperCallInConstructor(container);
if (!superCall || superCall.end > node.pos) {
error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class);
}
}
}
if (container.kind === 180) {
container = ts.getThisContainer(container, false);
needToCaptureLexicalThis = (languageVersion < 2);
}
switch (container.kind) {
case 225:
error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body);
break;
case 224:
error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location);
break;
case 148:
if (isInConstructorArgumentInitializer(node, container)) {
error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments);
}
break;
case 145:
case 144:
if (container.flags & 32) {
error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer);
}
break;
case 140:
error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name);
break;
}
if (needToCaptureLexicalThis) {
captureLexicalThis(node, container);
}
if (ts.isFunctionLike(container) &&
(!isInParameterInitializerBeforeContainingFunction(node) || getFunctionLikeThisParameter(container))) {
if (container.kind === 179 &&
ts.isInJavaScriptFile(container.parent) &&
ts.getSpecialPropertyAssignmentKind(container.parent) === 3) {
var className = container.parent
.left
.expression
.expression;
var classSymbol = checkExpression(className).symbol;
if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) {
return getInferredClassType(classSymbol);
}
}
var thisType = getThisTypeOfDeclaration(container);
if (thisType) {
return thisType;
}
}
if (ts.isClassLike(container.parent)) {
var symbol = getSymbolOfNode(container.parent);
var type = container.flags & 32 ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType;
return getFlowTypeOfReference(node, type, true, undefined);
}
if (ts.isInJavaScriptFile(node)) {
var type = getTypeForThisExpressionFromJSDoc(container);
if (type && type !== unknownType) {
return type;
}
}
if (compilerOptions.noImplicitThis) {
error(node, ts.Diagnostics.this_implicitly_has_type_any_because_it_does_not_have_a_type_annotation);
}
return anyType;
}
function getTypeForThisExpressionFromJSDoc(node) {
var typeTag = ts.getJSDocTypeTag(node);
if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 269) {
var jsDocFunctionType = typeTag.typeExpression.type;
if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 272) {
return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type);
}
}
}
function isInConstructorArgumentInitializer(node, constructorDecl) {
for (var n = node; n && n !== constructorDecl; n = n.parent) {
if (n.kind === 142) {
return true;
}
}
return false;
}
function checkSuperExpression(node) {
var isCallExpression = node.parent.kind === 174 && node.parent.expression === node;
var container = ts.getSuperContainer(node, true);
var needToCaptureLexicalThis = false;
if (!isCallExpression) {
while (container && container.kind === 180) {
container = ts.getSuperContainer(container, true);
needToCaptureLexicalThis = languageVersion < 2;
}
}
var canUseSuperExpression = isLegalUsageOfSuperExpression(container);
var nodeCheckFlag = 0;
if (!canUseSuperExpression) {
var current = node;
while (current && current !== container && current.kind !== 140) {
current = current.parent;
}
if (current && current.kind === 140) {
error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name);
}
else if (isCallExpression) {
error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors);
}
else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 171)) {
error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions);
}
else {
error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class);
}
return unknownType;
}
if ((container.flags & 32) || isCallExpression) {
nodeCheckFlag = 512;
}
else {
nodeCheckFlag = 256;
}
getNodeLinks(node).flags |= nodeCheckFlag;
if (container.kind === 147 && container.flags & 256) {
if (ts.isSuperPropertyOrElementAccess(node.parent) && ts.isAssignmentTarget(node.parent)) {
getNodeLinks(container).flags |= 4096;
}
else {
getNodeLinks(container).flags |= 2048;
}
}
if (needToCaptureLexicalThis) {
captureLexicalThis(node.parent, container);
}
if (container.parent.kind === 171) {
if (languageVersion < 2) {
error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher);
return unknownType;
}
else {
return anyType;
}
}
var classLikeDeclaration = container.parent;
var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration));
var baseClassType = classType && getBaseTypes(classType)[0];
if (!baseClassType) {
if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) {
error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class);
}
return unknownType;
}
if (container.kind === 148 && isInConstructorArgumentInitializer(node, container)) {
error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments);
return unknownType;
}
return nodeCheckFlag === 512
? getBaseConstructorTypeOfClass(classType)
: getTypeWithThisArgument(baseClassType, classType.thisType);
function isLegalUsageOfSuperExpression(container) {
if (!container) {
return false;
}
if (isCallExpression) {
return container.kind === 148;
}
else {
if (ts.isClassLike(container.parent) || container.parent.kind === 171) {
if (container.flags & 32) {
return container.kind === 147 ||
container.kind === 146 ||
container.kind === 149 ||
container.kind === 150;
}
else {
return container.kind === 147 ||
container.kind === 146 ||
container.kind === 149 ||
container.kind === 150 ||
container.kind === 145 ||
container.kind === 144 ||
container.kind === 148;
}
}
}
return false;
}
}
function getContextualThisParameter(func) {
if (isContextSensitiveFunctionOrObjectLiteralMethod(func) && func.kind !== 180) {
var contextualSignature = getContextualSignature(func);
if (contextualSignature) {
return contextualSignature.thisParameter;
}
}
return undefined;
}
function getContextuallyTypedParameterType(parameter) {
var func = parameter.parent;
if (isContextSensitiveFunctionOrObjectLiteralMethod(func)) {
var iife = ts.getImmediatelyInvokedFunctionExpression(func);
if (iife) {
var indexOfParameter = ts.indexOf(func.parameters, parameter);
if (iife.arguments && indexOfParameter < iife.arguments.length) {
if (parameter.dotDotDotToken) {
var restTypes = [];
for (var i = indexOfParameter; i < iife.arguments.length; i++) {
restTypes.push(getTypeOfExpression(iife.arguments[i]));
}
return createArrayType(getUnionType(restTypes));
}
var links = getNodeLinks(iife);
var cached = links.resolvedSignature;
links.resolvedSignature = anySignature;
var type = checkExpression(iife.arguments[indexOfParameter]);
links.resolvedSignature = cached;
return type;
}
}
var contextualSignature = getContextualSignature(func);
if (contextualSignature) {
var funcHasRestParameters = ts.hasRestParameter(func);
var len = func.parameters.length - (funcHasRestParameters ? 1 : 0);
var indexOfParameter = ts.indexOf(func.parameters, parameter);
if (indexOfParameter < len) {
return getTypeAtPosition(contextualSignature, indexOfParameter);
}
if (funcHasRestParameters &&
indexOfParameter === (func.parameters.length - 1) &&
isRestParameterIndex(contextualSignature, func.parameters.length - 1)) {
return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters));
}
}
}
return undefined;
}
function getContextualTypeForInitializerExpression(node) {
var declaration = node.parent;
if (node === declaration.initializer) {
if (declaration.type) {
return getTypeFromTypeNode(declaration.type);
}
if (declaration.kind === 142) {
var type = getContextuallyTypedParameterType(declaration);
if (type) {
return type;
}
}
if (ts.isBindingPattern(declaration.name)) {
return getTypeFromBindingPattern(declaration.name, true, false);
}
if (ts.isBindingPattern(declaration.parent)) {
var parentDeclaration = declaration.parent.parent;
var name_12 = declaration.propertyName || declaration.name;
if (ts.isVariableLike(parentDeclaration) &&
parentDeclaration.type &&
!ts.isBindingPattern(name_12)) {
var text = getTextOfPropertyName(name_12);
if (text) {
return getTypeOfPropertyOfType(getTypeFromTypeNode(parentDeclaration.type), text);
}
}
}
}
return undefined;
}
function getContextualTypeForReturnExpression(node) {
var func = ts.getContainingFunction(node);
if (ts.isAsyncFunctionLike(func)) {
var contextualReturnType = getContextualReturnType(func);
if (contextualReturnType) {
return getPromisedType(contextualReturnType);
}
return undefined;
}
if (func && !func.asteriskToken) {
return getContextualReturnType(func);
}
return undefined;
}
function getContextualTypeForYieldOperand(node) {
var func = ts.getContainingFunction(node);
if (func) {
var contextualReturnType = getContextualReturnType(func);
if (contextualReturnType) {
return node.asteriskToken
? contextualReturnType
: getElementTypeOfIterableIterator(contextualReturnType);
}
}
return undefined;
}
function isInParameterInitializerBeforeContainingFunction(node) {
while (node.parent && !ts.isFunctionLike(node.parent)) {
if (node.parent.kind === 142 && node.parent.initializer === node) {
return true;
}
node = node.parent;
}
return false;
}
function getContextualReturnType(functionDecl) {
if (functionDecl.type ||
functionDecl.kind === 148 ||
functionDecl.kind === 149 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 150))) {
return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl));
}
var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl);
if (signature) {
return getReturnTypeOfSignature(signature);
}
return undefined;
}
function getContextualTypeForArgument(callTarget, arg) {
var args = getEffectiveCallArguments(callTarget);
var argIndex = ts.indexOf(args, arg);
if (argIndex >= 0) {
var signature = getResolvedOrAnySignature(callTarget);
return getTypeAtPosition(signature, argIndex);
}
return undefined;
}
function getContextualTypeForSubstitutionExpression(template, substitutionExpression) {
if (template.parent.kind === 176) {
return getContextualTypeForArgument(template.parent, substitutionExpression);
}
return undefined;
}
function getContextualTypeForBinaryOperand(node) {
var binaryExpression = node.parent;
var operator = binaryExpression.operatorToken.kind;
if (operator >= 56 && operator <= 68) {
if (ts.getSpecialPropertyAssignmentKind(binaryExpression) !== 0) {
return undefined;
}
if (node === binaryExpression.right) {
return checkExpression(binaryExpression.left);
}
}
else if (operator === 52) {
var type = getContextualType(binaryExpression);
if (!type && node === binaryExpression.right) {
type = checkExpression(binaryExpression.left);
}
return type;
}
else if (operator === 51 || operator === 24) {
if (node === binaryExpression.right) {
return getContextualType(binaryExpression);
}
}
return undefined;
}
function applyToContextualType(type, mapper) {
if (!(type.flags & 524288)) {
return mapper(type);
}
var types = type.types;
var mappedType;
var mappedTypes;
for (var _i = 0, types_11 = types; _i < types_11.length; _i++) {
var current = types_11[_i];
var t = mapper(current);
if (t) {
if (!mappedType) {
mappedType = t;
}
else if (!mappedTypes) {
mappedTypes = [mappedType, t];
}
else {
mappedTypes.push(t);
}
}
}
return mappedTypes ? getUnionType(mappedTypes) : mappedType;
}
function getTypeOfPropertyOfContextualType(type, name) {
return applyToContextualType(type, function (t) {
var prop = t.flags & 4161536 ? getPropertyOfType(t, name) : undefined;
return prop ? getTypeOfSymbol(prop) : undefined;
});
}
function getIndexTypeOfContextualType(type, kind) {
return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); });
}
function contextualTypeIsTupleLikeType(type) {
return !!(type.flags & 524288 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type));
}
function getContextualTypeForObjectLiteralMethod(node) {
ts.Debug.assert(ts.isObjectLiteralMethod(node));
if (isInsideWithStatementBody(node)) {
return undefined;
}
return getContextualTypeForObjectLiteralElement(node);
}
function getContextualTypeForObjectLiteralElement(element) {
var objectLiteral = element.parent;
var type = getApparentTypeOfContextualType(objectLiteral);
if (type) {
if (!ts.hasDynamicName(element)) {
var symbolName = getSymbolOfNode(element).name;
var propertyType = getTypeOfPropertyOfContextualType(type, symbolName);
if (propertyType) {
return propertyType;
}
}
return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) ||
getIndexTypeOfContextualType(type, 0);
}
return undefined;
}
function getContextualTypeForElementExpression(node) {
var arrayLiteral = node.parent;
var type = getApparentTypeOfContextualType(arrayLiteral);
if (type) {
var index = ts.indexOf(arrayLiteral.elements, node);
return getTypeOfPropertyOfContextualType(type, "" + index)
|| getIndexTypeOfContextualType(type, 1)
|| (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined);
}
return undefined;
}
function getContextualTypeForConditionalOperand(node) {
var conditional = node.parent;
return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined;
}
function getContextualTypeForJsxAttribute(attribute) {
var kind = attribute.kind;
var jsxElement = attribute.parent;
var attrsType = getJsxElementAttributesType(jsxElement);
if (attribute.kind === 246) {
if (!attrsType || isTypeAny(attrsType)) {
return undefined;
}
return getTypeOfPropertyOfType(attrsType, attribute.name.text);
}
else if (attribute.kind === 247) {
return attrsType;
}
ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]");
}
function getApparentTypeOfContextualType(node) {
var type = getContextualType(node);
return type && getApparentType(type);
}
function getContextualType(node) {
if (isInsideWithStatementBody(node)) {
return undefined;
}
if (node.contextualType) {
return node.contextualType;
}
var parent = node.parent;
switch (parent.kind) {
case 218:
case 142:
case 145:
case 144:
case 169:
return getContextualTypeForInitializerExpression(node);
case 180:
case 211:
return getContextualTypeForReturnExpression(node);
case 190:
return getContextualTypeForYieldOperand(parent);
case 174:
case 175:
return getContextualTypeForArgument(parent, node);
case 177:
case 195:
return getTypeFromTypeNode(parent.type);
case 187:
return getContextualTypeForBinaryOperand(node);
case 253:
return getContextualTypeForObjectLiteralElement(parent);
case 170:
return getContextualTypeForElementExpression(node);
case 188:
return getContextualTypeForConditionalOperand(node);
case 197:
ts.Debug.assert(parent.parent.kind === 189);
return getContextualTypeForSubstitutionExpression(parent.parent, node);
case 178:
return getContextualType(parent);
case 248:
return getContextualType(parent);
case 246:
case 247:
return getContextualTypeForJsxAttribute(parent);
}
return undefined;
}
function isLiteralTypeLocation(node) {
var parent = node.parent;
switch (parent.kind) {
case 187:
switch (parent.operatorToken.kind) {
case 32:
case 33:
case 30:
case 31:
return true;
}
break;
case 188:
return (node === parent.whenTrue ||
node === parent.whenFalse) &&
isLiteralTypeLocation(parent);
case 178:
return isLiteralTypeLocation(parent);
case 249:
case 166:
return true;
}
return false;
}
function getNonGenericSignature(type) {
var signatures = getSignaturesOfStructuredType(type, 0);
if (signatures.length === 1) {
var signature = signatures[0];
if (!signature.typeParameters) {
return signature;
}
}
}
function isFunctionExpressionOrArrowFunction(node) {
return node.kind === 179 || node.kind === 180;
}
function getContextualSignatureForFunctionLikeDeclaration(node) {
return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node)
? getContextualSignature(node)
: undefined;
}
function getContextualTypeForFunctionLikeDeclaration(node) {
return ts.isObjectLiteralMethod(node) ?
getContextualTypeForObjectLiteralMethod(node) :
getApparentTypeOfContextualType(node);
}
function getContextualSignature(node) {
ts.Debug.assert(node.kind !== 147 || ts.isObjectLiteralMethod(node));
var type = getContextualTypeForFunctionLikeDeclaration(node);
if (!type) {
return undefined;
}
if (!(type.flags & 524288)) {
return getNonGenericSignature(type);
}
var signatureList;
var types = type.types;
for (var _i = 0, types_12 = types; _i < types_12.length; _i++) {
var current = types_12[_i];
var signature = getNonGenericSignature(current);
if (signature) {
if (!signatureList) {
signatureList = [signature];
}
else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, true, compareTypesIdentical)) {
return undefined;
}
else {
signatureList.push(signature);
}
}
}
var result;
if (signatureList) {
result = cloneSignature(signatureList[0]);
result.resolvedReturnType = undefined;
result.unionSignatures = signatureList;
}
return result;
}
function isInferentialContext(mapper) {
return mapper && mapper.context;
}
function checkSpreadElementExpression(node, contextualMapper) {
var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper);
return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false);
}
function hasDefaultValue(node) {
return (node.kind === 169 && !!node.initializer) ||
(node.kind === 187 && node.operatorToken.kind === 56);
}
function checkArrayLiteral(node, contextualMapper) {
var elements = node.elements;
var hasSpreadElement = false;
var elementTypes = [];
var inDestructuringPattern = ts.isAssignmentTarget(node);
for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) {
var e = elements_1[_i];
if (inDestructuringPattern && e.kind === 191) {
var restArrayType = checkExpression(e.expression, contextualMapper);
var restElementType = getIndexTypeOfType(restArrayType, 1) ||
(languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined);
if (restElementType) {
elementTypes.push(restElementType);
}
}
else {
var type = checkExpression(e, contextualMapper);
elementTypes.push(type);
}
hasSpreadElement = hasSpreadElement || e.kind === 191;
}
if (!hasSpreadElement) {
if (inDestructuringPattern && elementTypes.length) {
var type = cloneTypeReference(createTupleType(elementTypes));
type.pattern = node;
return type;
}
var contextualType = getApparentTypeOfContextualType(node);
if (contextualType && contextualTypeIsTupleLikeType(contextualType)) {
var pattern = contextualType.pattern;
if (pattern && (pattern.kind === 168 || pattern.kind === 170)) {
var patternElements = pattern.elements;
for (var i = elementTypes.length; i < patternElements.length; i++) {
var patternElement = patternElements[i];
if (hasDefaultValue(patternElement)) {
elementTypes.push(contextualType.typeArguments[i]);
}
else {
if (patternElement.kind !== 193) {
error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value);
}
elementTypes.push(unknownType);
}
}
}
if (elementTypes.length) {
return createTupleType(elementTypes);
}
}
}
return createArrayType(elementTypes.length ?
getUnionType(elementTypes, true) :
strictNullChecks ? neverType : undefinedWideningType);
}
function isNumericName(name) {
return name.kind === 140 ? isNumericComputedName(name) : isNumericLiteralName(name.text);
}
function isNumericComputedName(name) {
return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 340);
}
function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) {
return isTypeAny(type) || isTypeOfKind(type, kind);
}
function isNumericLiteralName(name) {
return (+name).toString() === name;
}
function checkComputedPropertyName(node) {
var links = getNodeLinks(node.expression);
if (!links.resolvedType) {
links.resolvedType = checkExpression(node.expression);
if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 340 | 34 | 512)) {
error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any);
}
else {
checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true);
}
}
return links.resolvedType;
}
function getObjectLiteralIndexInfo(node, properties, kind) {
var propTypes = [];
for (var i = 0; i < properties.length; i++) {
if (kind === 0 || isNumericName(node.properties[i].name)) {
propTypes.push(getTypeOfSymbol(properties[i]));
}
}
var unionType = propTypes.length ? getUnionType(propTypes, true) : undefinedType;
return createIndexInfo(unionType, false);
}
function checkObjectLiteral(node, contextualMapper) {
var inDestructuringPattern = ts.isAssignmentTarget(node);
checkGrammarObjectLiteralExpression(node, inDestructuringPattern);
var propertiesTable = ts.createMap();
var propertiesArray = [];
var contextualType = getApparentTypeOfContextualType(node);
var contextualTypeHasPattern = contextualType && contextualType.pattern &&
(contextualType.pattern.kind === 167 || contextualType.pattern.kind === 171);
var typeFlags = 0;
var patternWithComputedProperties = false;
var hasComputedStringProperty = false;
var hasComputedNumberProperty = false;
for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
var memberDecl = _a[_i];
var member = memberDecl.symbol;
if (memberDecl.kind === 253 ||
memberDecl.kind === 254 ||
ts.isObjectLiteralMethod(memberDecl)) {
var type = void 0;
if (memberDecl.kind === 253) {
type = checkPropertyAssignment(memberDecl, contextualMapper);
}
else if (memberDecl.kind === 147) {
type = checkObjectLiteralMethod(memberDecl, contextualMapper);
}
else {
ts.Debug.assert(memberDecl.kind === 254);
type = checkExpression(memberDecl.name, contextualMapper);
}
typeFlags |= type.flags;
var prop = createSymbol(4 | 67108864 | member.flags, member.name);
if (inDestructuringPattern) {
var isOptional = (memberDecl.kind === 253 && hasDefaultValue(memberDecl.initializer)) ||
(memberDecl.kind === 254 && memberDecl.objectAssignmentInitializer);
if (isOptional) {
prop.flags |= 536870912;
}
if (ts.hasDynamicName(memberDecl)) {
patternWithComputedProperties = true;
}
}
else if (contextualTypeHasPattern && !(contextualType.flags & 536870912)) {
var impliedProp = getPropertyOfType(contextualType, member.name);
if (impliedProp) {
prop.flags |= impliedProp.flags & 536870912;
}
else if (!compilerOptions.suppressExcessPropertyErrors) {
error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType));
}
}
prop.declarations = member.declarations;
prop.parent = member.parent;
if (member.valueDeclaration) {
prop.valueDeclaration = member.valueDeclaration;
}
prop.type = type;
prop.target = member;
member = prop;
}
else {
ts.Debug.assert(memberDecl.kind === 149 || memberDecl.kind === 150);
checkAccessorDeclaration(memberDecl);
}
if (ts.hasDynamicName(memberDecl)) {
if (isNumericName(memberDecl.name)) {
hasComputedNumberProperty = true;
}
else {
hasComputedStringProperty = true;
}
}
else {
propertiesTable[member.name] = member;
}
propertiesArray.push(member);
}
if (contextualTypeHasPattern) {
for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) {
var prop = _c[_b];
if (!propertiesTable[prop.name]) {
if (!(prop.flags & 536870912)) {
error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value);
}
propertiesTable[prop.name] = prop;
propertiesArray.push(prop);
}
}
}
var stringIndexInfo = hasComputedStringProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 0) : undefined;
var numberIndexInfo = hasComputedNumberProperty ? getObjectLiteralIndexInfo(node, propertiesArray, 1) : undefined;
var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexInfo, numberIndexInfo);
var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 16777216;
result.flags |= 8388608 | 67108864 | freshObjectLiteralFlag | (typeFlags & 234881024) | (patternWithComputedProperties ? 536870912 : 0);
if (inDestructuringPattern) {
result.pattern = node;
}
return result;
}
function checkJsxSelfClosingElement(node) {
checkJsxOpeningLikeElement(node);
return jsxElementType || anyType;
}
function checkJsxElement(node) {
checkJsxOpeningLikeElement(node.openingElement);
if (isJsxIntrinsicIdentifier(node.closingElement.tagName)) {
getIntrinsicTagSymbol(node.closingElement);
}
else {
checkExpression(node.closingElement.tagName);
}
for (var _i = 0, _a = node.children; _i < _a.length; _i++) {
var child = _a[_i];
switch (child.kind) {
case 248:
checkJsxExpression(child);
break;
case 241:
checkJsxElement(child);
break;
case 242:
checkJsxSelfClosingElement(child);
break;
}
}
return jsxElementType || anyType;
}
function isUnhyphenatedJsxName(name) {
return name.indexOf("-") < 0;
}
function isJsxIntrinsicIdentifier(tagName) {
if (tagName.kind === 172 || tagName.kind === 97) {
return false;
}
else {
return ts.isIntrinsicJsxName(tagName.text);
}
}
function checkJsxAttribute(node, elementAttributesType, nameTable) {
var correspondingPropType = undefined;
if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) {
error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName());
}
else if (elementAttributesType && !isTypeAny(elementAttributesType)) {
var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text);
correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol);
if (isUnhyphenatedJsxName(node.name.text)) {
var attributeType = getTypeOfPropertyOfType(elementAttributesType, getTextOfPropertyName(node.name)) || getIndexTypeOfType(elementAttributesType, 0);
if (attributeType) {
correspondingPropType = attributeType;
}
else {
if (!correspondingPropType) {
error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType));
return unknownType;
}
}
}
}
var exprType;
if (node.initializer) {
exprType = checkExpression(node.initializer);
}
else {
exprType = booleanType;
}
if (correspondingPropType) {
checkTypeAssignableTo(exprType, correspondingPropType, node);
}
nameTable[node.name.text] = true;
return exprType;
}
function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) {
var type = checkExpression(node.expression);
var props = getPropertiesOfType(type);
for (var _i = 0, props_2 = props; _i < props_2.length; _i++) {
var prop = props_2[_i];
if (!nameTable[prop.name]) {
var targetPropSym = getPropertyOfType(elementAttributesType, prop.name);
if (targetPropSym) {
var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name);
checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg);
}
nameTable[prop.name] = true;
}
}
return type;
}
function getJsxType(name) {
if (jsxTypes[name] === undefined) {
return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType;
}
return jsxTypes[name];
}
function getIntrinsicTagSymbol(node) {
var links = getNodeLinks(node);
if (!links.resolvedSymbol) {
var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements);
if (intrinsicElementsType !== unknownType) {
var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text);
if (intrinsicProp) {
links.jsxFlags |= 1;
return links.resolvedSymbol = intrinsicProp;
}
var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0);
if (indexSignatureType) {
links.jsxFlags |= 2;
return links.resolvedSymbol = intrinsicElementsType.symbol;
}
error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements);
return links.resolvedSymbol = unknownSymbol;
}
else {
if (compilerOptions.noImplicitAny) {
error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements);
}
return links.resolvedSymbol = unknownSymbol;
}
}
return links.resolvedSymbol;
}
function getJsxElementInstanceType(node, valueType) {
ts.Debug.assert(!(valueType.flags & 524288));
if (isTypeAny(valueType)) {
return anyType;
}
var signatures = getSignaturesOfType(valueType, 1);
if (signatures.length === 0) {
signatures = getSignaturesOfType(valueType, 0);
if (signatures.length === 0) {
error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName));
return unknownType;
}
}
return getUnionType(signatures.map(getReturnTypeOfSignature), true);
}
function getJsxElementPropertiesName() {
var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1920, undefined);
var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793064);
var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym);
var attribProperties = attribPropType && getPropertiesOfType(attribPropType);
if (attribProperties) {
if (attribProperties.length === 0) {
return "";
}
else if (attribProperties.length === 1) {
return attribProperties[0].name;
}
else {
error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer);
return undefined;
}
}
else {
return undefined;
}
}
function getResolvedJsxType(node, elemType, elemClassType) {
if (!elemType) {
elemType = checkExpression(node.tagName);
}
if (elemType.flags & 524288) {
var types = elemType.types;
return getUnionType(types.map(function (type) {
return getResolvedJsxType(node, type, elemClassType);
}), true);
}
if (elemType.flags & 2) {
return anyType;
}
else if (elemType.flags & 32) {
var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements);
if (intrinsicElementsType !== unknownType) {
var stringLiteralTypeName = elemType.text;
var intrinsicProp = getPropertyOfType(intrinsicElementsType, stringLiteralTypeName);
if (intrinsicProp) {
return getTypeOfSymbol(intrinsicProp);
}
var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0);
if (indexSignatureType) {
return indexSignatureType;
}
error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, stringLiteralTypeName, "JSX." + JsxNames.IntrinsicElements);
}
return anyType;
}
var elemInstanceType = getJsxElementInstanceType(node, elemType);
if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) {
if (jsxElementType) {
var callSignatures = elemType && getSignaturesOfType(elemType, 0);
var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0];
var callReturnType = callSignature && getReturnTypeOfSignature(callSignature);
var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0]));
if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) {
var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes);
if (intrinsicAttributes !== unknownType) {
paramType = intersectTypes(intrinsicAttributes, paramType);
}
return paramType;
}
}
}
if (elemClassType) {
checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements);
}
if (isTypeAny(elemInstanceType)) {
return elemInstanceType;
}
var propsName = getJsxElementPropertiesName();
if (propsName === undefined) {
return anyType;
}
else if (propsName === "") {
return elemInstanceType;
}
else {
var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName);
if (!attributesType) {
return emptyObjectType;
}
else if (isTypeAny(attributesType) || (attributesType === unknownType)) {
return attributesType;
}
else if (attributesType.flags & 524288) {
error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType));
return anyType;
}
else {
var apparentAttributesType = attributesType;
var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes);
if (intrinsicClassAttribs !== unknownType) {
var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol);
if (typeParams) {
if (typeParams.length === 1) {
apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType);
}
}
else {
apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs);
}
}
var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes);
if (intrinsicAttribs !== unknownType) {
apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType);
}
return apparentAttributesType;
}
}
}
function getJsxElementAttributesType(node) {
var links = getNodeLinks(node);
if (!links.resolvedJsxType) {
if (isJsxIntrinsicIdentifier(node.tagName)) {
var symbol = getIntrinsicTagSymbol(node);
if (links.jsxFlags & 1) {
return links.resolvedJsxType = getTypeOfSymbol(symbol);
}
else if (links.jsxFlags & 2) {
return links.resolvedJsxType = getIndexInfoOfSymbol(symbol, 0).type;
}
else {
return links.resolvedJsxType = unknownType;
}
}
else {
var elemClassType = getJsxGlobalElementClassType();
return links.resolvedJsxType = getResolvedJsxType(node, undefined, elemClassType);
}
}
return links.resolvedJsxType;
}
function getJsxAttributePropertySymbol(attrib) {
var attributesType = getJsxElementAttributesType(attrib.parent);
var prop = getPropertyOfType(attributesType, attrib.name.text);
return prop || unknownSymbol;
}
function getJsxGlobalElementClassType() {
if (!jsxElementClassType) {
jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass);
}
return jsxElementClassType;
}
function getJsxIntrinsicTagNames() {
var intrinsics = getJsxType(JsxNames.IntrinsicElements);
return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray;
}
function checkJsxPreconditions(errorNode) {
if ((compilerOptions.jsx || 0) === 0) {
error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided);
}
if (jsxElementType === undefined) {
if (compilerOptions.noImplicitAny) {
error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist);
}
}
}
function checkJsxOpeningLikeElement(node) {
checkGrammarJsxElement(node);
checkJsxPreconditions(node);
var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined;
var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React";
var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace);
if (reactSym) {
getSymbolLinks(reactSym).referenced = true;
}
var targetAttributesType = getJsxElementAttributesType(node);
var nameTable = ts.createMap();
var sawSpreadedAny = false;
for (var i = node.attributes.length - 1; i >= 0; i--) {
if (node.attributes[i].kind === 246) {
checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable);
}
else {
ts.Debug.assert(node.attributes[i].kind === 247);
var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable);
if (isTypeAny(spreadType)) {
sawSpreadedAny = true;
}
}
}
if (targetAttributesType && !sawSpreadedAny) {
var targetProperties = getPropertiesOfType(targetAttributesType);
for (var i = 0; i < targetProperties.length; i++) {
if (!(targetProperties[i].flags & 536870912) &&
!nameTable[targetProperties[i].name]) {
error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType));
}
}
}
}
function checkJsxExpression(node) {
if (node.expression) {
return checkExpression(node.expression);
}
else {
return unknownType;
}
}
function getDeclarationKindFromSymbol(s) {
return s.valueDeclaration ? s.valueDeclaration.kind : 145;
}
function getDeclarationFlagsFromSymbol(s) {
return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 ? 4 | 32 : 0;
}
function checkClassPropertyAccess(node, left, type, prop) {
var flags = getDeclarationFlagsFromSymbol(prop);
var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop));
var errorNode = node.kind === 172 || node.kind === 218 ?
node.name :
node.right;
if (left.kind === 95) {
if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 147) {
error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword);
return false;
}
if (flags & 128) {
error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass));
return false;
}
}
if (!(flags & (8 | 16))) {
return true;
}
if (flags & 8) {
var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(getParentOfSymbol(prop));
if (!isNodeWithinClass(node, declaringClassDeclaration)) {
error(errorNode, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass));
return false;
}
return true;
}
if (left.kind === 95) {
return true;
}
var enclosingClass = forEachEnclosingClass(node, function (enclosingDeclaration) {
var enclosingClass = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingDeclaration));
return hasBaseType(enclosingClass, declaringClass) ? enclosingClass : undefined;
});
if (!enclosingClass) {
error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass));
return false;
}
if (flags & 32) {
return true;
}
if (type.flags & 268435456) {
type = getConstraintOfTypeParameter(type);
}
if (!(getTargetType(type).flags & (32768 | 65536) && hasBaseType(type, enclosingClass))) {
error(errorNode, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass));
return false;
}
return true;
}
function checkNonNullExpression(node) {
var type = checkExpression(node);
if (strictNullChecks) {
var kind = getFalsyFlags(type) & 6144;
if (kind) {
error(node, kind & 2048 ? kind & 4096 ?
ts.Diagnostics.Object_is_possibly_null_or_undefined :
ts.Diagnostics.Object_is_possibly_undefined :
ts.Diagnostics.Object_is_possibly_null);
}
return getNonNullableType(type);
}
return type;
}
function checkPropertyAccessExpression(node) {
return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name);
}
function checkQualifiedName(node) {
return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right);
}
function checkPropertyAccessExpressionOrQualifiedName(node, left, right) {
var type = checkNonNullExpression(left);
if (isTypeAny(type)) {
return type;
}
var apparentType = getApparentType(getWidenedType(type));
if (apparentType === unknownType || (type.flags & 16384 && isTypeAny(apparentType))) {
return apparentType;
}
var prop = getPropertyOfType(apparentType, right.text);
if (!prop) {
if (right.text && !checkAndReportErrorForExtendingInterface(node)) {
error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 268435456 ? apparentType : type));
}
return unknownType;
}
if (noUnusedIdentifiers &&
(prop.flags & 106500) &&
prop.valueDeclaration && (prop.valueDeclaration.flags & 8)) {
if (prop.flags & 16777216) {
getSymbolLinks(prop).target.isReferenced = true;
}
else {
prop.isReferenced = true;
}
}
getNodeLinks(node).resolvedSymbol = prop;
if (prop.parent && prop.parent.flags & 32) {
checkClassPropertyAccess(node, left, apparentType, prop);
}
var propType = getTypeOfSymbol(prop);
if (prop.flags & 8 && isLiteralContextForType(node, propType)) {
propType = getDeclaredTypeOfSymbol(prop);
}
if (node.kind !== 172 || ts.isAssignmentTarget(node) ||
!(prop.flags & (3 | 4 | 98304)) &&
!(prop.flags & 8192 && propType.flags & 524288)) {
return propType;
}
return getFlowTypeOfReference(node, propType, true, undefined);
}
function isValidPropertyAccess(node, propertyName) {
var left = node.kind === 172
? node.expression
: node.left;
var type = checkExpression(left);
if (type !== unknownType && !isTypeAny(type)) {
var prop = getPropertyOfType(getWidenedType(type), propertyName);
if (prop && prop.parent && prop.parent.flags & 32) {
return checkClassPropertyAccess(node, left, type, prop);
}
}
return true;
}
function getForInVariableSymbol(node) {
var initializer = node.initializer;
if (initializer.kind === 219) {
var variable = initializer.declarations[0];
if (variable && !ts.isBindingPattern(variable.name)) {
return getSymbolOfNode(variable);
}
}
else if (initializer.kind === 69) {
return getResolvedSymbol(initializer);
}
return undefined;
}
function hasNumericPropertyNames(type) {
return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0);
}
function isForInVariableForNumericPropertyNames(expr) {
var e = skipParenthesizedNodes(expr);
if (e.kind === 69) {
var symbol = getResolvedSymbol(e);
if (symbol.flags & 3) {
var child = expr;
var node = expr.parent;
while (node) {
if (node.kind === 207 &&
child === node.statement &&
getForInVariableSymbol(node) === symbol &&
hasNumericPropertyNames(checkExpression(node.expression))) {
return true;
}
child = node;
node = node.parent;
}
}
}
return false;
}
function checkIndexedAccess(node) {
if (!node.argumentExpression) {
var sourceFile = ts.getSourceFileOfNode(node);
if (node.parent.kind === 175 && node.parent.expression === node) {
var start = ts.skipTrivia(sourceFile.text, node.expression.end);
var end = node.end;
grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead);
}
else {
var start = node.end - "]".length;
var end = node.end;
grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected);
}
}
var objectType = getApparentType(checkNonNullExpression(node.expression));
var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType;
if (objectType === unknownType) {
return unknownType;
}
var isConstEnum = isConstEnumObjectType(objectType);
if (isConstEnum &&
(!node.argumentExpression || node.argumentExpression.kind !== 9)) {
error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal);
return unknownType;
}
if (node.argumentExpression) {
var name_13 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType);
if (name_13 !== undefined) {
var prop = getPropertyOfType(objectType, name_13);
if (prop) {
getNodeLinks(node).resolvedSymbol = prop;
return getTypeOfSymbol(prop);
}
else if (isConstEnum) {
error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_13, symbolToString(objectType.symbol));
return unknownType;
}
}
}
var allowedNullableFlags = strictNullChecks ? 0 : 6144;
if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 34 | 340 | 512 | allowedNullableFlags)) {
if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 340 | allowedNullableFlags) || isForInVariableForNumericPropertyNames(node.argumentExpression)) {
var numberIndexInfo = getIndexInfoOfType(objectType, 1);
if (numberIndexInfo) {
getNodeLinks(node).resolvedIndexInfo = numberIndexInfo;
return numberIndexInfo.type;
}
}
var stringIndexInfo = getIndexInfoOfType(objectType, 0);
if (stringIndexInfo) {
getNodeLinks(node).resolvedIndexInfo = stringIndexInfo;
return stringIndexInfo.type;
}
if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) {
error(node, getIndexTypeOfType(objectType, 1) ?
ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number :
ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type);
}
return anyType;
}
error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any);
return unknownType;
}
function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) {
if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) {
return indexArgumentExpression.text;
}
if (indexArgumentExpression.kind === 173 || indexArgumentExpression.kind === 172) {
var value = getConstantValue(indexArgumentExpression);
if (value !== undefined) {
return value.toString();
}
}
if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) {
var rightHandSideName = indexArgumentExpression.name.text;
return ts.getPropertyNameForKnownSymbolName(rightHandSideName);
}
return undefined;
}
function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) {
if (expressionType === unknownType) {
return false;
}
if (!ts.isWellKnownSymbolSyntactically(expression)) {
return false;
}
if ((expressionType.flags & 512) === 0) {
if (reportError) {
error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression));
}
return false;
}
var leftHandSide = expression.expression;
var leftHandSideSymbol = getResolvedSymbol(leftHandSide);
if (!leftHandSideSymbol) {
return false;
}
var globalESSymbol = getGlobalESSymbolConstructorSymbol();
if (!globalESSymbol) {
return false;
}
if (leftHandSideSymbol !== globalESSymbol) {
if (reportError) {
error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object);
}
return false;
}
return true;
}
function resolveUntypedCall(node) {
if (node.kind === 176) {
checkExpression(node.template);
}
else if (node.kind !== 143) {
ts.forEach(node.arguments, function (argument) {
checkExpression(argument);
});
}
return anySignature;
}
function resolveErrorCall(node) {
resolveUntypedCall(node);
return unknownSignature;
}
function reorderCandidates(signatures, result) {
var lastParent;
var lastSymbol;
var cutoffIndex = 0;
var index;
var specializedIndex = -1;
var spliceIndex;
ts.Debug.assert(!result.length);
for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) {
var signature = signatures_2[_i];
var symbol = signature.declaration && getSymbolOfNode(signature.declaration);
var parent_9 = signature.declaration && signature.declaration.parent;
if (!lastSymbol || symbol === lastSymbol) {
if (lastParent && parent_9 === lastParent) {
index++;
}
else {
lastParent = parent_9;
index = cutoffIndex;
}
}
else {
index = cutoffIndex = result.length;
lastParent = parent_9;
}
lastSymbol = symbol;
if (signature.hasLiteralTypes) {
specializedIndex++;
spliceIndex = specializedIndex;
cutoffIndex++;
}
else {
spliceIndex = index;
}
result.splice(spliceIndex, 0, signature);
}
}
function getSpreadArgumentIndex(args) {
for (var i = 0; i < args.length; i++) {
var arg = args[i];
if (arg && arg.kind === 191) {
return i;
}
}
return -1;
}
function hasCorrectArity(node, args, signature, signatureHelpTrailingComma) {
if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; }
var argCount;
var typeArguments;
var callIsIncomplete;
var isDecorator;
var spreadArgIndex = -1;
if (node.kind === 176) {
var tagExpression = node;
argCount = args.length;
typeArguments = undefined;
if (tagExpression.template.kind === 189) {
var templateExpression = tagExpression.template;
var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans);
ts.Debug.assert(lastSpan !== undefined);
callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated;
}
else {
var templateLiteral = tagExpression.template;
ts.Debug.assert(templateLiteral.kind === 11);
callIsIncomplete = !!templateLiteral.isUnterminated;
}
}
else if (node.kind === 143) {
isDecorator = true;
typeArguments = undefined;
argCount = getEffectiveArgumentCount(node, undefined, signature);
}
else {
var callExpression = node;
if (!callExpression.arguments) {
ts.Debug.assert(callExpression.kind === 175);
return signature.minArgumentCount === 0;
}
argCount = signatureHelpTrailingComma ? args.length + 1 : args.length;
callIsIncomplete = callExpression.arguments.end === callExpression.end;
typeArguments = callExpression.typeArguments;
spreadArgIndex = getSpreadArgumentIndex(args);
}
var hasRightNumberOfTypeArgs = !typeArguments ||
(signature.typeParameters && typeArguments.length === signature.typeParameters.length);
if (!hasRightNumberOfTypeArgs) {
return false;
}
if (spreadArgIndex >= 0) {
return isRestParameterIndex(signature, spreadArgIndex);
}
if (!signature.hasRestParameter && argCount > signature.parameters.length) {
return false;
}
var hasEnoughArguments = argCount >= signature.minArgumentCount;
return callIsIncomplete || hasEnoughArguments;
}
function getSingleCallSignature(type) {
if (type.flags & 2588672) {
var resolved = resolveStructuredTypeMembers(type);
if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 &&
resolved.properties.length === 0 && !resolved.stringIndexInfo && !resolved.numberIndexInfo) {
return resolved.callSignatures[0];
}
}
return undefined;
}
function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) {
var context = createInferenceContext(signature.typeParameters, true);
forEachMatchingParameterType(contextualSignature, signature, function (source, target) {
inferTypes(context, instantiateType(source, contextualMapper), target);
});
return getSignatureInstantiation(signature, getInferredTypes(context));
}
function inferTypeArguments(node, signature, args, excludeArgument, context) {
var typeParameters = signature.typeParameters;
var inferenceMapper = getInferenceMapper(context);
for (var i = 0; i < typeParameters.length; i++) {
if (!context.inferences[i].isFixed) {
context.inferredTypes[i] = undefined;
}
}
if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) {
context.failedTypeParameterIndex = undefined;
}
var thisType = getThisTypeOfSignature(signature);
if (thisType) {
var thisArgumentNode = getThisArgumentOfCall(node);
var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType;
inferTypes(context, thisArgumentType, thisType);
}
var argCount = getEffectiveArgumentCount(node, args, signature);
for (var i = 0; i < argCount; i++) {
var arg = getEffectiveArgument(node, args, i);
if (arg === undefined || arg.kind !== 193) {
var paramType = getTypeAtPosition(signature, i);
var argType = getEffectiveArgumentType(node, i, arg);
if (argType === undefined) {
var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper;
argType = checkExpressionWithContextualType(arg, paramType, mapper);
}
inferTypes(context, argType, paramType);
}
}
if (excludeArgument) {
for (var i = 0; i < argCount; i++) {
if (excludeArgument[i] === false) {
var arg = args[i];
var paramType = getTypeAtPosition(signature, i);
inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType);
}
}
}
getInferredTypes(context);
}
function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) {
var typeParameters = signature.typeParameters;
var typeArgumentsAreAssignable = true;
var mapper;
for (var i = 0; i < typeParameters.length; i++) {
if (typeArgumentsAreAssignable) {
var constraint = getConstraintOfTypeParameter(typeParameters[i]);
if (constraint) {
var errorInfo = void 0;
var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1;
if (reportErrors && headMessage) {
errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage);
typeArgumentHeadMessage = headMessage;
}
if (!mapper) {
mapper = createTypeMapper(typeParameters, typeArgumentTypes);
}
var typeArgument = typeArgumentTypes[i];
typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo);
}
}
}
return typeArgumentsAreAssignable;
}
function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) {
var thisType = getThisTypeOfSignature(signature);
if (thisType && thisType !== voidType && node.kind !== 175) {
var thisArgumentNode = getThisArgumentOfCall(node);
var thisArgumentType = thisArgumentNode ? checkExpression(thisArgumentNode) : voidType;
var errorNode = reportErrors ? (thisArgumentNode || node) : undefined;
var headMessage_1 = ts.Diagnostics.The_this_context_of_type_0_is_not_assignable_to_method_s_this_of_type_1;
if (!checkTypeRelatedTo(thisArgumentType, getThisTypeOfSignature(signature), relation, errorNode, headMessage_1)) {
return false;
}
}
var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1;
var argCount = getEffectiveArgumentCount(node, args, signature);
for (var i = 0; i < argCount; i++) {
var arg = getEffectiveArgument(node, args, i);
if (arg === undefined || arg.kind !== 193) {
var paramType = getTypeAtPosition(signature, i);
var argType = getEffectiveArgumentType(node, i, arg);
if (argType === undefined) {
argType = checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined);
}
var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined;
if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) {
return false;
}
}
}
return true;
}
function getThisArgumentOfCall(node) {
if (node.kind === 174) {
var callee = node.expression;
if (callee.kind === 172) {
return callee.expression;
}
else if (callee.kind === 173) {
return callee.expression;
}
}
}
function getEffectiveCallArguments(node) {
var args;
if (node.kind === 176) {
var template = node.template;
args = [undefined];
if (template.kind === 189) {
ts.forEach(template.templateSpans, function (span) {
args.push(span.expression);
});
}
}
else if (node.kind === 143) {
return undefined;
}
else {
args = node.arguments || emptyArray;
}
return args;
}
function getEffectiveArgumentCount(node, args, signature) {
if (node.kind === 143) {
switch (node.parent.kind) {
case 221:
case 192:
return 1;
case 145:
return 2;
case 147:
case 149:
case 150:
if (languageVersion === 0) {
return 2;
}
return signature.parameters.length >= 3 ? 3 : 2;
case 142:
return 3;
}
}
else {
return args.length;
}
}
function getEffectiveDecoratorFirstArgumentType(node) {
if (node.kind === 221) {
var classSymbol = getSymbolOfNode(node);
return getTypeOfSymbol(classSymbol);
}
if (node.kind === 142) {
node = node.parent;
if (node.kind === 148) {
var classSymbol = getSymbolOfNode(node);
return getTypeOfSymbol(classSymbol);
}
}
if (node.kind === 145 ||
node.kind === 147 ||
node.kind === 149 ||
node.kind === 150) {
return getParentTypeOfClassElement(node);
}
ts.Debug.fail("Unsupported decorator target.");
return unknownType;
}
function getEffectiveDecoratorSecondArgumentType(node) {
if (node.kind === 221) {
ts.Debug.fail("Class decorators should not have a second synthetic argument.");
return unknownType;
}
if (node.kind === 142) {
node = node.parent;
if (node.kind === 148) {
return anyType;
}
}
if (node.kind === 145 ||
node.kind === 147 ||
node.kind === 149 ||
node.kind === 150) {
var element = node;
switch (element.name.kind) {
case 69:
case 8:
case 9:
return getLiteralTypeForText(32, element.name.text);
case 140:
var nameType = checkComputedPropertyName(element.name);
if (isTypeOfKind(nameType, 512)) {
return nameType;
}
else {
return stringType;
}
default:
ts.Debug.fail("Unsupported property name.");
return unknownType;
}
}
ts.Debug.fail("Unsupported decorator target.");
return unknownType;
}
function getEffectiveDecoratorThirdArgumentType(node) {
if (node.kind === 221) {
ts.Debug.fail("Class decorators should not have a third synthetic argument.");
return unknownType;
}
if (node.kind === 142) {
return numberType;
}
if (node.kind === 145) {
ts.Debug.fail("Property decorators should not have a third synthetic argument.");
return unknownType;
}
if (node.kind === 147 ||
node.kind === 149 ||
node.kind === 150) {
var propertyType = getTypeOfNode(node);
return createTypedPropertyDescriptorType(propertyType);
}
ts.Debug.fail("Unsupported decorator target.");
return unknownType;
}
function getEffectiveDecoratorArgumentType(node, argIndex) {
if (argIndex === 0) {
return getEffectiveDecoratorFirstArgumentType(node.parent);
}
else if (argIndex === 1) {
return getEffectiveDecoratorSecondArgumentType(node.parent);
}
else if (argIndex === 2) {
return getEffectiveDecoratorThirdArgumentType(node.parent);
}
ts.Debug.fail("Decorators should not have a fourth synthetic argument.");
return unknownType;
}
function getEffectiveArgumentType(node, argIndex, arg) {
if (node.kind === 143) {
return getEffectiveDecoratorArgumentType(node, argIndex);
}
else if (argIndex === 0 && node.kind === 176) {
return getGlobalTemplateStringsArrayType();
}
return undefined;
}
function getEffectiveArgument(node, args, argIndex) {
if (node.kind === 143 ||
(argIndex === 0 && node.kind === 176)) {
return undefined;
}
return args[argIndex];
}
function getEffectiveArgumentErrorNode(node, argIndex, arg) {
if (node.kind === 143) {
return node.expression;
}
else if (argIndex === 0 && node.kind === 176) {
return node.template;
}
else {
return arg;
}
}
function resolveCall(node, signatures, candidatesOutArray, headMessage) {
var isTaggedTemplate = node.kind === 176;
var isDecorator = node.kind === 143;
var typeArguments;
if (!isTaggedTemplate && !isDecorator) {
typeArguments = node.typeArguments;
if (node.expression.kind !== 95) {
ts.forEach(typeArguments, checkSourceElement);
}
}
var candidates = candidatesOutArray || [];
reorderCandidates(signatures, candidates);
if (!candidates.length) {
reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target);
return resolveErrorCall(node);
}
var args = getEffectiveCallArguments(node);
var excludeArgument;
if (!isDecorator) {
for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) {
if (isContextSensitive(args[i])) {
if (!excludeArgument) {
excludeArgument = new Array(args.length);
}
excludeArgument[i] = true;
}
}
}
var candidateForArgumentError;
var candidateForTypeArgumentError;
var resultOfFailedInference;
var result;
var signatureHelpTrailingComma = candidatesOutArray && node.kind === 174 && node.arguments.hasTrailingComma;
if (candidates.length > 1) {
result = chooseOverload(candidates, subtypeRelation, signatureHelpTrailingComma);
}
if (!result) {
candidateForArgumentError = undefined;
candidateForTypeArgumentError = undefined;
resultOfFailedInference = undefined;
result = chooseOverload(candidates, assignableRelation, signatureHelpTrailingComma);
}
if (result) {
return result;
}
if (candidateForArgumentError) {
checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true);
}
else if (candidateForTypeArgumentError) {
if (!isTaggedTemplate && !isDecorator && typeArguments) {
var typeArguments_2 = node.typeArguments;
checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), true, headMessage);
}
else {
ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0);
var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex];
var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex);
var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter));
if (headMessage) {
diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage);
}
reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead);
}
}
else {
reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target);
}
if (!produceDiagnostics) {
for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) {
var candidate = candidates_1[_i];
if (hasCorrectArity(node, args, candidate)) {
if (candidate.typeParameters && typeArguments) {
candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode));
}
return candidate;
}
}
}
return resolveErrorCall(node);
function reportError(message, arg0, arg1, arg2) {
var errorInfo;
errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2);
if (headMessage) {
errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage);
}
diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo));
}
function chooseOverload(candidates, relation, signatureHelpTrailingComma) {
if (signatureHelpTrailingComma === void 0) { signatureHelpTrailingComma = false; }
for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) {
var originalCandidate = candidates_2[_i];
if (!hasCorrectArity(node, args, originalCandidate, signatureHelpTrailingComma)) {
continue;
}
var candidate = void 0;
var typeArgumentsAreValid = void 0;
var inferenceContext = originalCandidate.typeParameters
? createInferenceContext(originalCandidate.typeParameters, false)
: undefined;
while (true) {
candidate = originalCandidate;
if (candidate.typeParameters) {
var typeArgumentTypes = void 0;
if (typeArguments) {
typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode);
typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false);
}
else {
inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext);
typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined;
typeArgumentTypes = inferenceContext.inferredTypes;
}
if (!typeArgumentsAreValid) {
break;
}
candidate = getSignatureInstantiation(candidate, typeArgumentTypes);
}
if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) {
break;
}
var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1;
if (index < 0) {
return candidate;
}
excludeArgument[index] = false;
}
if (originalCandidate.typeParameters) {
var instantiatedCandidate = candidate;
if (typeArgumentsAreValid) {
candidateForArgumentError = instantiatedCandidate;
}
else {
candidateForTypeArgumentError = originalCandidate;
if (!typeArguments) {
resultOfFailedInference = inferenceContext;
}
}
}
else {
ts.Debug.assert(originalCandidate === candidate);
candidateForArgumentError = originalCandidate;
}
}
return undefined;
}
}
function resolveCallExpression(node, candidatesOutArray) {
if (node.expression.kind === 95) {
var superType = checkSuperExpression(node.expression);
if (superType !== unknownType) {
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node));
if (baseTypeNode) {
var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments);
return resolveCall(node, baseConstructors, candidatesOutArray);
}
}
return resolveUntypedCall(node);
}
var funcType = checkNonNullExpression(node.expression);
var apparentType = getApparentType(funcType);
if (apparentType === unknownType) {
return resolveErrorCall(node);
}
var callSignatures = getSignaturesOfType(apparentType, 0);
var constructSignatures = getSignaturesOfType(apparentType, 1);
if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) {
if (funcType !== unknownType && node.typeArguments) {
error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments);
}
return resolveUntypedCall(node);
}
if (!callSignatures.length) {
if (constructSignatures.length) {
error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType));
}
else {
error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature);
}
return resolveErrorCall(node);
}
return resolveCall(node, callSignatures, candidatesOutArray);
}
function isUntypedFunctionCall(funcType, apparentFuncType, numCallSignatures, numConstructSignatures) {
if (isTypeAny(funcType)) {
return true;
}
if (isTypeAny(apparentFuncType) && funcType.flags & 16384) {
return true;
}
if (!numCallSignatures && !numConstructSignatures) {
if (funcType.flags & 524288) {
return false;
}
return isTypeAssignableTo(funcType, globalFunctionType);
}
return false;
}
function resolveNewExpression(node, candidatesOutArray) {
if (node.arguments && languageVersion < 1) {
var spreadIndex = getSpreadArgumentIndex(node.arguments);
if (spreadIndex >= 0) {
error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher);
}
}
var expressionType = checkNonNullExpression(node.expression);
expressionType = getApparentType(expressionType);
if (expressionType === unknownType) {
return resolveErrorCall(node);
}
var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol);
if (valueDecl && valueDecl.flags & 128) {
error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name));
return resolveErrorCall(node);
}
if (isTypeAny(expressionType)) {
if (node.typeArguments) {
error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments);
}
return resolveUntypedCall(node);
}
var constructSignatures = getSignaturesOfType(expressionType, 1);
if (constructSignatures.length) {
if (!isConstructorAccessible(node, constructSignatures[0])) {
return resolveErrorCall(node);
}
return resolveCall(node, constructSignatures, candidatesOutArray);
}
var callSignatures = getSignaturesOfType(expressionType, 0);
if (callSignatures.length) {
var signature = resolveCall(node, callSignatures, candidatesOutArray);
if (getReturnTypeOfSignature(signature) !== voidType) {
error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword);
}
if (getThisTypeOfSignature(signature) === voidType) {
error(node, ts.Diagnostics.A_function_that_is_called_with_the_new_keyword_cannot_have_a_this_type_that_is_void);
}
return signature;
}
error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature);
return resolveErrorCall(node);
}
function isConstructorAccessible(node, signature) {
if (!signature || !signature.declaration) {
return true;
}
var declaration = signature.declaration;
var flags = declaration.flags;
if (!(flags & (8 | 16))) {
return true;
}
var declaringClassDeclaration = getClassLikeDeclarationOfSymbol(declaration.parent.symbol);
var declaringClass = getDeclaredTypeOfSymbol(declaration.parent.symbol);
if (!isNodeWithinClass(node, declaringClassDeclaration)) {
var containingClass = ts.getContainingClass(node);
if (containingClass) {
var containingType = getTypeOfNode(containingClass);
var baseTypes = getBaseTypes(containingType);
if (baseTypes.length) {
var baseType = baseTypes[0];
if (flags & 16 &&
baseType.symbol === declaration.parent.symbol) {
return true;
}
}
}
if (flags & 8) {
error(node, ts.Diagnostics.Constructor_of_class_0_is_private_and_only_accessible_within_the_class_declaration, typeToString(declaringClass));
}
if (flags & 16) {
error(node, ts.Diagnostics.Constructor_of_class_0_is_protected_and_only_accessible_within_the_class_declaration, typeToString(declaringClass));
}
return false;
}
return true;
}
function resolveTaggedTemplateExpression(node, candidatesOutArray) {
var tagType = checkExpression(node.tag);
var apparentType = getApparentType(tagType);
if (apparentType === unknownType) {
return resolveErrorCall(node);
}
var callSignatures = getSignaturesOfType(apparentType, 0);
var constructSignatures = getSignaturesOfType(apparentType, 1);
if (isUntypedFunctionCall(tagType, apparentType, callSignatures.length, constructSignatures.length)) {
return resolveUntypedCall(node);
}
if (!callSignatures.length) {
error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature);
return resolveErrorCall(node);
}
return resolveCall(node, callSignatures, candidatesOutArray);
}
function getDiagnosticHeadMessageForDecoratorResolution(node) {
switch (node.parent.kind) {
case 221:
case 192:
return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression;
case 142:
return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression;
case 145:
return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression;
case 147:
case 149:
case 150:
return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression;
}
}
function resolveDecorator(node, candidatesOutArray) {
var funcType = checkExpression(node.expression);
var apparentType = getApparentType(funcType);
if (apparentType === unknownType) {
return resolveErrorCall(node);
}
var callSignatures = getSignaturesOfType(apparentType, 0);
var constructSignatures = getSignaturesOfType(apparentType, 1);
if (isUntypedFunctionCall(funcType, apparentType, callSignatures.length, constructSignatures.length)) {
return resolveUntypedCall(node);
}
var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node);
if (!callSignatures.length) {
var errorInfo = void 0;
errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature);
errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage);
diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo));
return resolveErrorCall(node);
}
return resolveCall(node, callSignatures, candidatesOutArray, headMessage);
}
function resolveSignature(node, candidatesOutArray) {
switch (node.kind) {
case 174:
return resolveCallExpression(node, candidatesOutArray);
case 175:
return resolveNewExpression(node, candidatesOutArray);
case 176:
return resolveTaggedTemplateExpression(node, candidatesOutArray);
case 143:
return resolveDecorator(node, candidatesOutArray);
}
ts.Debug.fail("Branch in 'resolveSignature' should be unreachable.");
}
function getResolvedSignature(node, candidatesOutArray) {
var links = getNodeLinks(node);
var cached = links.resolvedSignature;
if (cached && cached !== resolvingSignature && !candidatesOutArray) {
return cached;
}
links.resolvedSignature = resolvingSignature;
var result = resolveSignature(node, candidatesOutArray);
links.resolvedSignature = flowLoopStart === flowLoopCount ? result : cached;
return result;
}
function getResolvedOrAnySignature(node) {
return getNodeLinks(node).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(node);
}
function getInferredClassType(symbol) {
var links = getSymbolLinks(symbol);
if (!links.inferredClassType) {
links.inferredClassType = createAnonymousType(symbol, symbol.members, emptyArray, emptyArray, undefined, undefined);
}
return links.inferredClassType;
}
function checkCallExpression(node) {
checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments);
var signature = getResolvedSignature(node);
if (node.expression.kind === 95) {
return voidType;
}
if (node.kind === 175) {
var declaration = signature.declaration;
if (declaration &&
declaration.kind !== 148 &&
declaration.kind !== 152 &&
declaration.kind !== 157 &&
!ts.isJSDocConstructSignature(declaration)) {
var funcSymbol = node.expression.kind === 69 ?
getResolvedSymbol(node.expression) :
checkExpression(node.expression).symbol;
if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 || ts.isDeclarationOfFunctionExpression(funcSymbol))) {
return getInferredClassType(funcSymbol);
}
else if (compilerOptions.noImplicitAny) {
error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type);
}
return anyType;
}
}
if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, true)) {
return resolveExternalModuleTypeByLiteral(node.arguments[0]);
}
return getReturnTypeOfSignature(signature);
}
function checkTaggedTemplateExpression(node) {
return getReturnTypeOfSignature(getResolvedSignature(node));
}
function checkAssertion(node) {
var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression));
checkSourceElement(node.type);
var targetType = getTypeFromTypeNode(node.type);
if (produceDiagnostics && targetType !== unknownType) {
var widenedType = getWidenedType(exprType);
if (!isTypeComparableTo(targetType, widenedType)) {
checkTypeComparableTo(exprType, targetType, node, ts.Diagnostics.Type_0_cannot_be_converted_to_type_1);
}
}
return targetType;
}
function checkNonNullAssertion(node) {
return getNonNullableType(checkExpression(node.expression));
}
function getTypeOfParameter(symbol) {
var type = getTypeOfSymbol(symbol);
if (strictNullChecks) {
var declaration = symbol.valueDeclaration;
if (declaration && declaration.initializer) {
return includeFalsyTypes(type, 2048);
}
}
return type;
}
function getTypeAtPosition(signature, pos) {
return signature.hasRestParameter ?
pos < signature.parameters.length - 1 ? getTypeOfParameter(signature.parameters[pos]) : getRestTypeOfSignature(signature) :
pos < signature.parameters.length ? getTypeOfParameter(signature.parameters[pos]) : anyType;
}
function assignContextualParameterTypes(signature, context, mapper) {
var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0);
if (context.thisParameter) {
if (!signature.thisParameter) {
signature.thisParameter = createTransientSymbol(context.thisParameter, undefined);
}
assignTypeToParameterAndFixTypeParameters(signature.thisParameter, getTypeOfSymbol(context.thisParameter), mapper);
}
for (var i = 0; i < len; i++) {
var parameter = signature.parameters[i];
var contextualParameterType = getTypeAtPosition(context, i);
assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper);
}
if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) {
var parameter = ts.lastOrUndefined(signature.parameters);
var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters));
assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper);
}
}
function assignBindingElementTypes(node) {
if (ts.isBindingPattern(node.name)) {
for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) {
var element = _a[_i];
if (element.kind !== 193) {
if (element.name.kind === 69) {
getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element);
}
assignBindingElementTypes(element);
}
}
}
}
function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) {
var links = getSymbolLinks(parameter);
if (!links.type) {
links.type = instantiateType(contextualType, mapper);
if (links.type === emptyObjectType &&
(parameter.valueDeclaration.name.kind === 167 ||
parameter.valueDeclaration.name.kind === 168)) {
links.type = getTypeFromBindingPattern(parameter.valueDeclaration.name);
}
assignBindingElementTypes(parameter.valueDeclaration);
}
else if (isInferentialContext(mapper)) {
inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper));
}
}
function getReturnTypeFromJSDocComment(func) {
var returnTag = ts.getJSDocReturnTag(func);
if (returnTag && returnTag.typeExpression) {
return getTypeFromTypeNode(returnTag.typeExpression.type);
}
return undefined;
}
function createPromiseType(promisedType) {
var globalPromiseType = getGlobalPromiseType();
if (globalPromiseType !== emptyGenericType) {
promisedType = getAwaitedType(promisedType);
return createTypeReference(globalPromiseType, [promisedType]);
}
return emptyObjectType;
}
function createPromiseReturnType(func, promisedType) {
var promiseType = createPromiseType(promisedType);
if (promiseType === emptyObjectType) {
error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type);
return unknownType;
}
return promiseType;
}
function getReturnTypeFromBody(func, contextualMapper) {
var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func);
if (!func.body) {
return unknownType;
}
var isAsync = ts.isAsyncFunctionLike(func);
var type;
if (func.body.kind !== 199) {
type = checkExpressionCached(func.body, contextualMapper);
if (isAsync) {
type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member);
}
}
else {
var types = void 0;
var funcIsGenerator = !!func.asteriskToken;
if (funcIsGenerator) {
types = checkAndAggregateYieldOperandTypes(func, contextualMapper);
if (types.length === 0) {
var iterableIteratorAny = createIterableIteratorType(anyType);
if (compilerOptions.noImplicitAny) {
error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny));
}
return iterableIteratorAny;
}
}
else {
types = checkAndAggregateReturnExpressionTypes(func, contextualMapper);
if (!types) {
return isAsync ? createPromiseReturnType(func, neverType) : neverType;
}
if (types.length === 0) {
return isAsync ? createPromiseReturnType(func, voidType) : voidType;
}
}
type = contextualSignature ? getUnionType(types, true) : getCommonSupertype(types);
if (!type) {
if (funcIsGenerator) {
error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions);
return createIterableIteratorType(unknownType);
}
else {
error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions);
return isAsync ? createPromiseReturnType(func, getUnionType(types, true)) : getUnionType(types, true);
}
}
if (funcIsGenerator) {
type = createIterableIteratorType(type);
}
}
if (!contextualSignature) {
reportErrorsFromWidening(func, type);
}
var widenedType = getWidenedType(type);
return isAsync ? createPromiseReturnType(func, widenedType) : widenedType;
}
function checkAndAggregateYieldOperandTypes(func, contextualMapper) {
var aggregatedTypes = [];
ts.forEachYieldExpression(func.body, function (yieldExpression) {
var expr = yieldExpression.expression;
if (expr) {
var type = checkExpressionCached(expr, contextualMapper);
if (yieldExpression.asteriskToken) {
type = checkElementTypeOfIterable(type, yieldExpression.expression);
}
if (!ts.contains(aggregatedTypes, type)) {
aggregatedTypes.push(type);
}
}
});
return aggregatedTypes;
}
function isExhaustiveSwitchStatement(node) {
if (!node.possiblyExhaustive) {
return false;
}
var type = checkExpression(node.expression);
if (!isUnitUnionType(type)) {
return false;
}
var switchTypes = getSwitchClauseTypes(node);
if (!switchTypes.length) {
return false;
}
return eachTypeContainedIn(type, switchTypes);
}
function functionHasImplicitReturn(func) {
if (!(func.flags & 32768)) {
return false;
}
var lastStatement = ts.lastOrUndefined(func.body.statements);
if (lastStatement && lastStatement.kind === 213 && isExhaustiveSwitchStatement(lastStatement)) {
return false;
}
return true;
}
function checkAndAggregateReturnExpressionTypes(func, contextualMapper) {
var isAsync = ts.isAsyncFunctionLike(func);
var aggregatedTypes = [];
var hasReturnWithNoExpression = functionHasImplicitReturn(func);
var hasReturnOfTypeNever = false;
ts.forEachReturnStatement(func.body, function (returnStatement) {
var expr = returnStatement.expression;
if (expr) {
var type = checkExpressionCached(expr, contextualMapper);
if (isAsync) {
type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member);
}
if (type === neverType) {
hasReturnOfTypeNever = true;
}
else if (!ts.contains(aggregatedTypes, type)) {
aggregatedTypes.push(type);
}
}
else {
hasReturnWithNoExpression = true;
}
});
if (aggregatedTypes.length === 0 && !hasReturnWithNoExpression && (hasReturnOfTypeNever ||
func.kind === 179 || func.kind === 180)) {
return undefined;
}
if (strictNullChecks && aggregatedTypes.length && hasReturnWithNoExpression) {
if (!ts.contains(aggregatedTypes, undefinedType)) {
aggregatedTypes.push(undefinedType);
}
}
return aggregatedTypes;
}
function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) {
if (!produceDiagnostics) {
return;
}
if (returnType && maybeTypeOfKind(returnType, 1 | 1024)) {
return;
}
if (ts.nodeIsMissing(func.body) || func.body.kind !== 199 || !functionHasImplicitReturn(func)) {
return;
}
var hasExplicitReturn = func.flags & 65536;
if (returnType === neverType) {
error(func.type, ts.Diagnostics.A_function_returning_never_cannot_have_a_reachable_end_point);
}
else if (returnType && !hasExplicitReturn) {
error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value);
}
else if (returnType && strictNullChecks && !isTypeAssignableTo(undefinedType, returnType)) {
error(func.type, ts.Diagnostics.Function_lacks_ending_return_statement_and_return_type_does_not_include_undefined);
}
else if (compilerOptions.noImplicitReturns) {
if (!returnType) {
if (!hasExplicitReturn) {
return;
}
var inferredReturnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func));
if (isUnwrappedReturnTypeVoidOrAny(func, inferredReturnType)) {
return;
}
}
error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value);
}
}
function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) {
ts.Debug.assert(node.kind !== 147 || ts.isObjectLiteralMethod(node));
var hasGrammarError = checkGrammarFunctionLikeDeclaration(node);
if (!hasGrammarError && node.kind === 179) {
checkGrammarForGenerator(node);
}
if (contextualMapper === identityMapper && isContextSensitive(node)) {
checkNodeDeferred(node);
return anyFunctionType;
}
var links = getNodeLinks(node);
var type = getTypeOfSymbol(node.symbol);
var contextSensitive = isContextSensitive(node);
var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper);
if (mightFixTypeParameters || !(links.flags & 1024)) {
var contextualSignature = getContextualSignature(node);
var contextChecked = !!(links.flags & 1024);
if (mightFixTypeParameters || !contextChecked) {
links.flags |= 1024;
if (contextualSignature) {
var signature = getSignaturesOfType(type, 0)[0];
if (contextSensitive) {
assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper);
}
if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) {
var returnType = getReturnTypeFromBody(node, contextualMapper);
if (!signature.resolvedReturnType) {
signature.resolvedReturnType = returnType;
}
}
}
if (!contextChecked) {
checkSignatureDeclaration(node);
checkNodeDeferred(node);
}
}
}
if (produceDiagnostics && node.kind !== 147 && node.kind !== 146) {
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
}
return type;
}
function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) {
ts.Debug.assert(node.kind !== 147 || ts.isObjectLiteralMethod(node));
var isAsync = ts.isAsyncFunctionLike(node);
var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type));
if (!node.asteriskToken) {
checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType);
}
if (node.body) {
if (!node.type) {
getReturnTypeOfSignature(getSignatureFromDeclaration(node));
}
if (node.body.kind === 199) {
checkSourceElement(node.body);
}
else {
var exprType = checkExpression(node.body);
if (returnOrPromisedType) {
if (isAsync) {
var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member);
checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body);
}
else {
checkTypeAssignableTo(exprType, returnOrPromisedType, node.body);
}
}
}
registerForUnusedIdentifiersCheck(node);
}
}
function checkArithmeticOperandType(operand, type, diagnostic) {
if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 340)) {
error(operand, diagnostic);
return false;
}
return true;
}
function isReadonlySymbol(symbol) {
return symbol.isReadonly ||
symbol.flags & 4 && (getDeclarationFlagsFromSymbol(symbol) & 64) !== 0 ||
symbol.flags & 3 && (getDeclarationFlagsFromSymbol(symbol) & 2048) !== 0 ||
symbol.flags & 98304 && !(symbol.flags & 65536) ||
(symbol.flags & 8) !== 0;
}
function isReferenceToReadonlyEntity(expr, symbol) {
if (isReadonlySymbol(symbol)) {
if (symbol.flags & 4 &&
(expr.kind === 172 || expr.kind === 173) &&
expr.expression.kind === 97) {
var func = ts.getContainingFunction(expr);
if (!(func && func.kind === 148))
return true;
return !(func.parent === symbol.valueDeclaration.parent || func === symbol.valueDeclaration.parent);
}
return true;
}
return false;
}
function isReferenceThroughNamespaceImport(expr) {
if (expr.kind === 172 || expr.kind === 173) {
var node = skipParenthesizedNodes(expr.expression);
if (node.kind === 69) {
var symbol = getNodeLinks(node).resolvedSymbol;
if (symbol.flags & 8388608) {
var declaration = getDeclarationOfAliasSymbol(symbol);
return declaration && declaration.kind === 232;
}
}
}
return false;
}
function checkReferenceExpression(expr, invalidReferenceMessage, constantVariableMessage) {
var node = skipParenthesizedNodes(expr);
if (node.kind !== 69 && node.kind !== 172 && node.kind !== 173) {
error(expr, invalidReferenceMessage);
return false;
}
var links = getNodeLinks(node);
var symbol = getExportSymbolOfValueSymbolIfExported(links.resolvedSymbol);
if (symbol) {
if (symbol !== unknownSymbol && symbol !== argumentsSymbol) {
if (node.kind === 69 && !(symbol.flags & 3)) {
error(expr, invalidReferenceMessage);
return false;
}
if (isReferenceToReadonlyEntity(node, symbol) || isReferenceThroughNamespaceImport(node)) {
error(expr, constantVariableMessage);
return false;
}
}
}
else if (node.kind === 173) {
if (links.resolvedIndexInfo && links.resolvedIndexInfo.isReadonly) {
error(expr, constantVariableMessage);
return false;
}
}
return true;
}
function checkDeleteExpression(node) {
checkExpression(node.expression);
return booleanType;
}
function checkTypeOfExpression(node) {
checkExpression(node.expression);
return stringType;
}
function checkVoidExpression(node) {
checkExpression(node.expression);
return undefinedWideningType;
}
function checkAwaitExpression(node) {
if (produceDiagnostics) {
if (!(node.flags & 33554432)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function);
}
if (isInParameterInitializerBeforeContainingFunction(node)) {
error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer);
}
}
var operandType = checkExpression(node.expression);
return checkAwaitedType(operandType, node);
}
function checkPrefixUnaryExpression(node) {
var operandType = checkExpression(node.operand);
if (node.operator === 36 && node.operand.kind === 8 && isLiteralContextForType(node, numberType)) {
return getLiteralTypeForText(64, "" + -node.operand.text);
}
switch (node.operator) {
case 35:
case 36:
case 50:
if (maybeTypeOfKind(operandType, 512)) {
error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator));
}
return numberType;
case 49:
var facts = getTypeFacts(operandType) & (1048576 | 2097152);
return facts === 1048576 ? falseType :
facts === 2097152 ? trueType :
booleanType;
case 41:
case 42:
var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type);
if (ok) {
checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property);
}
return numberType;
}
return unknownType;
}
function checkPostfixUnaryExpression(node) {
var operandType = checkExpression(node.operand);
var ok = checkArithmeticOperandType(node.operand, getNonNullableType(operandType), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type);
if (ok) {
checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_or_a_read_only_property);
}
return numberType;
}
function maybeTypeOfKind(type, kind) {
if (type.flags & kind) {
return true;
}
if (type.flags & 1572864) {
var types = type.types;
for (var _i = 0, types_13 = types; _i < types_13.length; _i++) {
var t = types_13[_i];
if (maybeTypeOfKind(t, kind)) {
return true;
}
}
}
return false;
}
function isTypeOfKind(type, kind) {
if (type.flags & kind) {
return true;
}
if (type.flags & 524288) {
var types = type.types;
for (var _i = 0, types_14 = types; _i < types_14.length; _i++) {
var t = types_14[_i];
if (!isTypeOfKind(t, kind)) {
return false;
}
}
return true;
}
if (type.flags & 1048576) {
var types = type.types;
for (var _a = 0, types_15 = types; _a < types_15.length; _a++) {
var t = types_15[_a];
if (isTypeOfKind(t, kind)) {
return true;
}
}
}
return false;
}
function isConstEnumObjectType(type) {
return type.flags & (2588672 | 2097152) && type.symbol && isConstEnumSymbol(type.symbol);
}
function isConstEnumSymbol(symbol) {
return (symbol.flags & 128) !== 0;
}
function checkInstanceOfExpression(left, right, leftType, rightType) {
if (isTypeOfKind(leftType, 8190)) {
error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) {
error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type);
}
return booleanType;
}
function checkInExpression(left, right, leftType, rightType) {
if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34 | 340 | 512)) {
error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol);
}
if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 | 16384)) {
error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
return booleanType;
}
function checkObjectLiteralAssignment(node, sourceType, contextualMapper) {
var properties = node.properties;
for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) {
var p = properties_3[_i];
checkObjectLiteralDestructuringPropertyAssignment(sourceType, p, contextualMapper);
}
return sourceType;
}
function checkObjectLiteralDestructuringPropertyAssignment(objectLiteralType, property, contextualMapper) {
if (property.kind === 253 || property.kind === 254) {
var name_14 = property.name;
if (name_14.kind === 140) {
checkComputedPropertyName(name_14);
}
if (isComputedNonLiteralName(name_14)) {
return undefined;
}
var text = getTextOfPropertyName(name_14);
var type = isTypeAny(objectLiteralType)
? objectLiteralType
: getTypeOfPropertyOfType(objectLiteralType, text) ||
isNumericLiteralName(text) && getIndexTypeOfType(objectLiteralType, 1) ||
getIndexTypeOfType(objectLiteralType, 0);
if (type) {
if (property.kind === 254) {
return checkDestructuringAssignment(property, type);
}
else {
return checkDestructuringAssignment(property.initializer, type);
}
}
else {
error(name_14, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(objectLiteralType), ts.declarationNameToString(name_14));
}
}
else {
error(property, ts.Diagnostics.Property_assignment_expected);
}
}
function checkArrayLiteralAssignment(node, sourceType, contextualMapper) {
var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType;
var elements = node.elements;
for (var i = 0; i < elements.length; i++) {
checkArrayLiteralDestructuringElementAssignment(node, sourceType, i, elementType, contextualMapper);
}
return sourceType;
}
function checkArrayLiteralDestructuringElementAssignment(node, sourceType, elementIndex, elementType, contextualMapper) {
var elements = node.elements;
var element = elements[elementIndex];
if (element.kind !== 193) {
if (element.kind !== 191) {
var propName = "" + elementIndex;
var type = isTypeAny(sourceType)
? sourceType
: isTupleLikeType(sourceType)
? getTypeOfPropertyOfType(sourceType, propName)
: elementType;
if (type) {
return checkDestructuringAssignment(element, type, contextualMapper);
}
else {
checkExpression(element);
if (isTupleType(sourceType)) {
error(element, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), getTypeReferenceArity(sourceType), elements.length);
}
else {
error(element, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName);
}
}
}
else {
if (elementIndex < elements.length - 1) {
error(element, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern);
}
else {
var restExpression = element.expression;
if (restExpression.kind === 187 && restExpression.operatorToken.kind === 56) {
error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer);
}
else {
return checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper);
}
}
}
}
return undefined;
}
function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) {
var target;
if (exprOrAssignment.kind === 254) {
var prop = exprOrAssignment;
if (prop.objectAssignmentInitializer) {
if (strictNullChecks &&
!(getFalsyFlags(checkExpression(prop.objectAssignmentInitializer)) & 2048)) {
sourceType = getTypeWithFacts(sourceType, 131072);
}
checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper);
}
target = exprOrAssignment.name;
}
else {
target = exprOrAssignment;
}
if (target.kind === 187 && target.operatorToken.kind === 56) {
checkBinaryExpression(target, contextualMapper);
target = target.left;
}
if (target.kind === 171) {
return checkObjectLiteralAssignment(target, sourceType, contextualMapper);
}
if (target.kind === 170) {
return checkArrayLiteralAssignment(target, sourceType, contextualMapper);
}
return checkReferenceAssignment(target, sourceType, contextualMapper);
}
function checkReferenceAssignment(target, sourceType, contextualMapper) {
var targetType = checkExpression(target, contextualMapper);
if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property)) {
checkTypeAssignableTo(sourceType, targetType, target, undefined);
}
return sourceType;
}
function isTypeEqualityComparableTo(source, target) {
return (target.flags & 6144) !== 0 || isTypeComparableTo(source, target);
}
function getBestChoiceType(type1, type2) {
var firstAssignableToSecond = isTypeAssignableTo(type1, type2);
var secondAssignableToFirst = isTypeAssignableTo(type2, type1);
return secondAssignableToFirst && !firstAssignableToSecond ? type1 :
firstAssignableToSecond && !secondAssignableToFirst ? type2 :
getUnionType([type1, type2], true);
}
function checkBinaryExpression(node, contextualMapper) {
return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node);
}
function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) {
var operator = operatorToken.kind;
if (operator === 56 && (left.kind === 171 || left.kind === 170)) {
return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper);
}
var leftType = checkExpression(left, contextualMapper);
var rightType = checkExpression(right, contextualMapper);
switch (operator) {
case 37:
case 38:
case 59:
case 60:
case 39:
case 61:
case 40:
case 62:
case 36:
case 58:
case 43:
case 63:
case 44:
case 64:
case 45:
case 65:
case 47:
case 67:
case 48:
case 68:
case 46:
case 66:
if (leftType.flags & 6144)
leftType = rightType;
if (rightType.flags & 6144)
rightType = leftType;
leftType = getNonNullableType(leftType);
rightType = getNonNullableType(rightType);
var suggestedOperator = void 0;
if ((leftType.flags & 136) &&
(rightType.flags & 136) &&
(suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) {
error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator));
}
else {
var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type);
var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type);
if (leftOk && rightOk) {
checkAssignmentOperator(numberType);
}
}
return numberType;
case 35:
case 57:
if (leftType.flags & 6144)
leftType = rightType;
if (rightType.flags & 6144)
rightType = leftType;
leftType = getNonNullableType(leftType);
rightType = getNonNullableType(rightType);
var resultType = void 0;
if (isTypeOfKind(leftType, 340) && isTypeOfKind(rightType, 340)) {
resultType = numberType;
}
else {
if (isTypeOfKind(leftType, 34) || isTypeOfKind(rightType, 34)) {
resultType = stringType;
}
else if (isTypeAny(leftType) || isTypeAny(rightType)) {
resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType;
}
if (resultType && !checkForDisallowedESSymbolOperand(operator)) {
return resultType;
}
}
if (!resultType) {
reportOperatorError();
return anyType;
}
if (operator === 57) {
checkAssignmentOperator(resultType);
}
return resultType;
case 25:
case 27:
case 28:
case 29:
if (checkForDisallowedESSymbolOperand(operator)) {
if (!isTypeComparableTo(leftType, rightType) && !isTypeComparableTo(rightType, leftType)) {
reportOperatorError();
}
}
return booleanType;
case 30:
case 31:
case 32:
case 33:
var leftIsUnit = isUnitUnionType(leftType);
var rightIsUnit = isUnitUnionType(rightType);
if (!leftIsUnit || !rightIsUnit) {
leftType = leftIsUnit ? getBaseTypeOfUnitType(leftType) : leftType;
rightType = rightIsUnit ? getBaseTypeOfUnitType(rightType) : rightType;
}
if (!isTypeEqualityComparableTo(leftType, rightType) && !isTypeEqualityComparableTo(rightType, leftType)) {
reportOperatorError();
}
return booleanType;
case 91:
return checkInstanceOfExpression(left, right, leftType, rightType);
case 90:
return checkInExpression(left, right, leftType, rightType);
case 51:
return getTypeFacts(leftType) & 1048576 ?
includeFalsyTypes(rightType, getFalsyFlags(strictNullChecks ? leftType : getBaseTypeOfUnitType(rightType))) :
leftType;
case 52:
return getTypeFacts(leftType) & 2097152 ?
getBestChoiceType(removeDefinitelyFalsyTypes(leftType), rightType) :
leftType;
case 56:
checkAssignmentOperator(rightType);
return getRegularTypeOfObjectLiteral(rightType);
case 24:
return rightType;
}
function checkForDisallowedESSymbolOperand(operator) {
var offendingSymbolOperand = maybeTypeOfKind(leftType, 512) ? left :
maybeTypeOfKind(rightType, 512) ? right :
undefined;
if (offendingSymbolOperand) {
error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator));
return false;
}
return true;
}
function getSuggestedBooleanOperator(operator) {
switch (operator) {
case 47:
case 67:
return 52;
case 48:
case 68:
return 33;
case 46:
case 66:
return 51;
default:
return undefined;
}
}
function checkAssignmentOperator(valueType) {
if (produceDiagnostics && operator >= 56 && operator <= 68) {
var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant_or_a_read_only_property);
if (ok) {
checkTypeAssignableTo(valueType, leftType, left, undefined);
}
}
}
function reportOperatorError() {
error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType));
}
}
function isYieldExpressionInClass(node) {
var current = node;
var parent = node.parent;
while (parent) {
if (ts.isFunctionLike(parent) && current === parent.body) {
return false;
}
else if (ts.isClassLike(current)) {
return true;
}
current = parent;
parent = parent.parent;
}
return false;
}
function checkYieldExpression(node) {
if (produceDiagnostics) {
if (!(node.flags & 8388608) || isYieldExpressionInClass(node)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body);
}
if (isInParameterInitializerBeforeContainingFunction(node)) {
error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer);
}
}
if (node.expression) {
var func = ts.getContainingFunction(node);
if (func && func.asteriskToken) {
var expressionType = checkExpressionCached(node.expression, undefined);
var expressionElementType = void 0;
var nodeIsYieldStar = !!node.asteriskToken;
if (nodeIsYieldStar) {
expressionElementType = checkElementTypeOfIterable(expressionType, node.expression);
}
if (func.type) {
var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType;
if (nodeIsYieldStar) {
checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined);
}
else {
checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined);
}
}
}
}
return anyType;
}
function checkConditionalExpression(node, contextualMapper) {
checkExpression(node.condition);
var type1 = checkExpression(node.whenTrue, contextualMapper);
var type2 = checkExpression(node.whenFalse, contextualMapper);
return getBestChoiceType(type1, type2);
}
function typeContainsLiteralFromEnum(type, enumType) {
if (type.flags & 524288) {
for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
var t = _a[_i];
if (t.flags & 256 && t.baseType === enumType) {
return true;
}
}
}
if (type.flags & 256) {
return type.baseType === enumType;
}
return false;
}
function isLiteralContextForType(node, type) {
if (isLiteralTypeLocation(node)) {
return true;
}
var contextualType = getContextualType(node);
if (contextualType) {
if (contextualType.flags & 16384) {
var apparentType = getApparentTypeOfTypeParameter(contextualType);
if (type === apparentType) {
return true;
}
contextualType = apparentType;
}
if (type.flags & 2) {
return maybeTypeOfKind(contextualType, 32);
}
if (type.flags & 4) {
return maybeTypeOfKind(contextualType, (64 | 256));
}
if (type.flags & 8) {
return maybeTypeOfKind(contextualType, 128);
}
if (type.flags & 16) {
return typeContainsLiteralFromEnum(contextualType, type);
}
}
return false;
}
function checkLiteralExpression(node) {
if (node.kind === 8) {
checkGrammarNumericLiteral(node);
}
switch (node.kind) {
case 9:
return isLiteralContextForType(node, stringType) ? getLiteralTypeForText(32, node.text) : stringType;
case 8:
return isLiteralContextForType(node, numberType) ? getLiteralTypeForText(64, node.text) : numberType;
case 99:
case 84:
return isLiteralContextForType(node, booleanType) ? node.kind === 99 ? trueType : falseType : booleanType;
}
}
function checkTemplateExpression(node) {
ts.forEach(node.templateSpans, function (templateSpan) {
checkExpression(templateSpan.expression);
});
return stringType;
}
function checkExpressionWithContextualType(node, contextualType, contextualMapper) {
var saveContextualType = node.contextualType;
node.contextualType = contextualType;
var result = checkExpression(node, contextualMapper);
node.contextualType = saveContextualType;
return result;
}
function checkExpressionCached(node, contextualMapper) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
var saveFlowLoopStart = flowLoopStart;
flowLoopStart = flowLoopCount;
links.resolvedType = checkExpression(node, contextualMapper);
flowLoopStart = saveFlowLoopStart;
}
return links.resolvedType;
}
function checkPropertyAssignment(node, contextualMapper) {
if (node.name.kind === 140) {
checkComputedPropertyName(node.name);
}
return checkExpression(node.initializer, contextualMapper);
}
function checkObjectLiteralMethod(node, contextualMapper) {
checkGrammarMethod(node);
if (node.name.kind === 140) {
checkComputedPropertyName(node.name);
}
var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper);
return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper);
}
function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) {
if (isInferentialContext(contextualMapper)) {
var signature = getSingleCallSignature(type);
if (signature && signature.typeParameters) {
var contextualType = getApparentTypeOfContextualType(node);
if (contextualType) {
var contextualSignature = getSingleCallSignature(contextualType);
if (contextualSignature && !contextualSignature.typeParameters) {
return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper));
}
}
}
}
return type;
}
function checkExpression(node, contextualMapper) {
var type;
if (node.kind === 139) {
type = checkQualifiedName(node);
}
else {
var uninstantiatedType = checkExpressionWorker(node, contextualMapper);
type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper);
}
if (isConstEnumObjectType(type)) {
var ok = (node.parent.kind === 172 && node.parent.expression === node) ||
(node.parent.kind === 173 && node.parent.expression === node) ||
((node.kind === 69 || node.kind === 139) && isInRightSideOfImportOrExportAssignment(node));
if (!ok) {
error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment);
}
}
return type;
}
function checkExpressionWorker(node, contextualMapper) {
switch (node.kind) {
case 69:
return checkIdentifier(node);
case 97:
return checkThisExpression(node);
case 95:
return checkSuperExpression(node);
case 93:
return nullWideningType;
case 9:
case 8:
case 99:
case 84:
return checkLiteralExpression(node);
case 189:
return checkTemplateExpression(node);
case 11:
return stringType;
case 10:
return globalRegExpType;
case 170:
return checkArrayLiteral(node, contextualMapper);
case 171:
return checkObjectLiteral(node, contextualMapper);
case 172:
return checkPropertyAccessExpression(node);
case 173:
return checkIndexedAccess(node);
case 174:
case 175:
return checkCallExpression(node);
case 176:
return checkTaggedTemplateExpression(node);
case 178:
return checkExpression(node.expression, contextualMapper);
case 192:
return checkClassExpression(node);
case 179:
case 180:
return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper);
case 182:
return checkTypeOfExpression(node);
case 177:
case 195:
return checkAssertion(node);
case 196:
return checkNonNullAssertion(node);
case 181:
return checkDeleteExpression(node);
case 183:
return checkVoidExpression(node);
case 184:
return checkAwaitExpression(node);
case 185:
return checkPrefixUnaryExpression(node);
case 186:
return checkPostfixUnaryExpression(node);
case 187:
return checkBinaryExpression(node, contextualMapper);
case 188:
return checkConditionalExpression(node, contextualMapper);
case 191:
return checkSpreadElementExpression(node, contextualMapper);
case 193:
return undefinedWideningType;
case 190:
return checkYieldExpression(node);
case 248:
return checkJsxExpression(node);
case 241:
return checkJsxElement(node);
case 242:
return checkJsxSelfClosingElement(node);
case 243:
ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement");
}
return unknownType;
}
function checkTypeParameter(node) {
if (node.expression) {
grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected);
}
checkSourceElement(node.constraint);
getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node)));
if (produceDiagnostics) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0);
}
}
function checkParameter(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node);
checkVariableLikeDeclaration(node);
var func = ts.getContainingFunction(node);
if (node.flags & 92) {
func = ts.getContainingFunction(node);
if (!(func.kind === 148 && ts.nodeIsPresent(func.body))) {
error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation);
}
}
if (node.questionToken && ts.isBindingPattern(node.name) && func.body) {
error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature);
}
if (node.name.text === "this") {
if (ts.indexOf(func.parameters, node) !== 0) {
error(node, ts.Diagnostics.A_this_parameter_must_be_the_first_parameter);
}
if (func.kind === 148 || func.kind === 152 || func.kind === 157) {
error(node, ts.Diagnostics.A_constructor_cannot_have_a_this_parameter);
}
}
if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) {
error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type);
}
}
function isSyntacticallyValidGenerator(node) {
if (!node.asteriskToken || !node.body) {
return false;
}
return node.kind === 147 ||
node.kind === 220 ||
node.kind === 179;
}
function getTypePredicateParameterIndex(parameterList, parameter) {
if (parameterList) {
for (var i = 0; i < parameterList.length; i++) {
var param = parameterList[i];
if (param.name.kind === 69 &&
param.name.text === parameter.text) {
return i;
}
}
}
return -1;
}
function checkTypePredicate(node) {
var parent = getTypePredicateParent(node);
if (!parent) {
error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods);
return;
}
var typePredicate = getSignatureFromDeclaration(parent).typePredicate;
if (!typePredicate) {
return;
}
var parameterName = node.parameterName;
if (ts.isThisTypePredicate(typePredicate)) {
getTypeFromThisTypeNode(parameterName);
}
else {
if (typePredicate.parameterIndex >= 0) {
if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) {
error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter);
}
else {
var leadingError = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.A_type_predicate_s_type_must_be_assignable_to_its_parameter_s_type);
checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type, undefined, leadingError);
}
}
else if (parameterName) {
var hasReportedError = false;
for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) {
var name_15 = _a[_i].name;
if (ts.isBindingPattern(name_15) &&
checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, parameterName, typePredicate.parameterName)) {
hasReportedError = true;
break;
}
}
if (!hasReportedError) {
error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName);
}
}
}
}
function getTypePredicateParent(node) {
switch (node.parent.kind) {
case 180:
case 151:
case 220:
case 179:
case 156:
case 147:
case 146:
var parent_10 = node.parent;
if (node === parent_10.type) {
return parent_10;
}
}
}
function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) {
for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) {
var name_16 = _a[_i].name;
if (name_16.kind === 69 &&
name_16.text === predicateVariableName) {
error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName);
return true;
}
else if (name_16.kind === 168 ||
name_16.kind === 167) {
if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_16, predicateVariableNode, predicateVariableName)) {
return true;
}
}
}
}
function checkSignatureDeclaration(node) {
if (node.kind === 153) {
checkGrammarIndexSignature(node);
}
else if (node.kind === 156 || node.kind === 220 || node.kind === 157 ||
node.kind === 151 || node.kind === 148 ||
node.kind === 152) {
checkGrammarFunctionLikeDeclaration(node);
}
checkTypeParameters(node.typeParameters);
ts.forEach(node.parameters, checkParameter);
if (node.type) {
checkSourceElement(node.type);
}
if (produceDiagnostics) {
checkCollisionWithArgumentsInGeneratedCode(node);
if (compilerOptions.noImplicitAny && !node.type) {
switch (node.kind) {
case 152:
error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type);
break;
case 151:
error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type);
break;
}
}
if (node.type) {
if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) {
var returnType = getTypeFromTypeNode(node.type);
if (returnType === voidType) {
error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation);
}
else {
var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType;
var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType);
checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type);
}
}
else if (ts.isAsyncFunctionLike(node)) {
checkAsyncFunctionReturnType(node);
}
}
if (noUnusedIdentifiers && !node.body) {
checkUnusedTypeParameters(node);
}
}
}
function checkClassForDuplicateDeclarations(node) {
var instanceNames = ts.createMap();
var staticNames = ts.createMap();
for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
var member = _a[_i];
if (member.kind === 148) {
for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) {
var param = _c[_b];
if (ts.isParameterPropertyDeclaration(param)) {
addName(instanceNames, param.name, param.name.text, 3);
}
}
}
else {
var isStatic = ts.forEach(member.modifiers, function (m) { return m.kind === 113; });
var names = isStatic ? staticNames : instanceNames;
var memberName = member.name && ts.getPropertyNameForPropertyNameNode(member.name);
if (memberName) {
switch (member.kind) {
case 149:
addName(names, member.name, memberName, 1);
break;
case 150:
addName(names, member.name, memberName, 2);
break;
case 145:
addName(names, member.name, memberName, 3);
break;
}
}
}
}
function addName(names, location, name, meaning) {
var prev = names[name];
if (prev) {
if (prev & meaning) {
error(location, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(location));
}
else {
names[name] = prev | meaning;
}
}
else {
names[name] = meaning;
}
}
}
function checkObjectTypeForDuplicateDeclarations(node) {
var names = ts.createMap();
for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
var member = _a[_i];
if (member.kind == 144) {
var memberName = void 0;
switch (member.name.kind) {
case 9:
case 8:
case 69:
memberName = member.name.text;
break;
default:
continue;
}
if (names[memberName]) {
error(member.symbol.valueDeclaration.name, ts.Diagnostics.Duplicate_identifier_0, memberName);
error(member.name, ts.Diagnostics.Duplicate_identifier_0, memberName);
}
else {
names[memberName] = true;
}
}
}
}
function checkTypeForDuplicateIndexSignatures(node) {
if (node.kind === 222) {
var nodeSymbol = getSymbolOfNode(node);
if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) {
return;
}
}
var indexSymbol = getIndexSymbol(getSymbolOfNode(node));
if (indexSymbol) {
var seenNumericIndexer = false;
var seenStringIndexer = false;
for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) {
var decl = _a[_i];
var declaration = decl;
if (declaration.parameters.length === 1 && declaration.parameters[0].type) {
switch (declaration.parameters[0].type.kind) {
case 132:
if (!seenStringIndexer) {
seenStringIndexer = true;
}
else {
error(declaration, ts.Diagnostics.Duplicate_string_index_signature);
}
break;
case 130:
if (!seenNumericIndexer) {
seenNumericIndexer = true;
}
else {
error(declaration, ts.Diagnostics.Duplicate_number_index_signature);
}
break;
}
}
}
}
}
function checkPropertyDeclaration(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name);
checkVariableLikeDeclaration(node);
}
function checkMethodDeclaration(node) {
checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name);
checkFunctionOrMethodDeclaration(node);
if (node.flags & 128 && node.body) {
error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name));
}
}
function checkConstructorDeclaration(node) {
checkSignatureDeclaration(node);
checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node);
checkSourceElement(node.body);
registerForUnusedIdentifiersCheck(node);
var symbol = getSymbolOfNode(node);
var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind);
if (node === firstDeclaration) {
checkFunctionOrConstructorSymbol(symbol);
}
if (ts.nodeIsMissing(node.body)) {
return;
}
if (!produceDiagnostics) {
return;
}
function containsSuperCallAsComputedPropertyName(n) {
return n.name && containsSuperCall(n.name);
}
function containsSuperCall(n) {
if (ts.isSuperCallExpression(n)) {
return true;
}
else if (ts.isFunctionLike(n)) {
return false;
}
else if (ts.isClassLike(n)) {
return ts.forEach(n.members, containsSuperCallAsComputedPropertyName);
}
return ts.forEachChild(n, containsSuperCall);
}
function markThisReferencesAsErrors(n) {
if (n.kind === 97) {
error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location);
}
else if (n.kind !== 179 && n.kind !== 220) {
ts.forEachChild(n, markThisReferencesAsErrors);
}
}
function isInstancePropertyWithInitializer(n) {
return n.kind === 145 &&
!(n.flags & 32) &&
!!n.initializer;
}
var containingClassDecl = node.parent;
if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) {
var classExtendsNull = classDeclarationExtendsNull(containingClassDecl);
var superCall = getSuperCallInConstructor(node);
if (superCall) {
if (classExtendsNull) {
error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null);
}
var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) ||
ts.forEach(node.parameters, function (p) { return p.flags & 92; });
if (superCallShouldBeFirst) {
var statements = node.body.statements;
var superCallStatement = void 0;
for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) {
var statement = statements_2[_i];
if (statement.kind === 202 && ts.isSuperCallExpression(statement.expression)) {
superCallStatement = statement;
break;
}
if (!ts.isPrologueDirective(statement)) {
break;
}
}
if (!superCallStatement) {
error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties);
}
}
}
else if (!classExtendsNull) {
error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call);
}
}
}
function checkAccessorDeclaration(node) {
if (produceDiagnostics) {
checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name);
checkDecorators(node);
checkSignatureDeclaration(node);
if (node.kind === 149) {
if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 32768)) {
if (!(node.flags & 65536)) {
error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value);
}
}
}
if (node.name.kind === 140) {
checkComputedPropertyName(node.name);
}
if (!ts.hasDynamicName(node)) {
var otherKind = node.kind === 149 ? 150 : 149;
var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind);
if (otherAccessor) {
if (((node.flags & 28) !== (otherAccessor.flags & 28))) {
error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility);
}
if (((node.flags & 128) !== (otherAccessor.flags & 128))) {
error(node.name, ts.Diagnostics.Accessors_must_both_be_abstract_or_non_abstract);
}
checkAccessorDeclarationTypesIdentical(node, otherAccessor, getAnnotatedAccessorType, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type);
checkAccessorDeclarationTypesIdentical(node, otherAccessor, getThisTypeOfDeclaration, ts.Diagnostics.get_and_set_accessor_must_have_the_same_this_type);
}
}
var returnType = getTypeOfAccessors(getSymbolOfNode(node));
if (node.kind === 149) {
checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnType);
}
}
if (node.parent.kind !== 171) {
checkSourceElement(node.body);
registerForUnusedIdentifiersCheck(node);
}
else {
checkNodeDeferred(node);
}
}
function checkAccessorDeclarationTypesIdentical(first, second, getAnnotatedType, message) {
var firstType = getAnnotatedType(first);
var secondType = getAnnotatedType(second);
if (firstType && secondType && !isTypeIdenticalTo(firstType, secondType)) {
error(first, message);
}
}
function checkAccessorDeferred(node) {
checkSourceElement(node.body);
registerForUnusedIdentifiersCheck(node);
}
function checkMissingDeclaration(node) {
checkDecorators(node);
}
function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) {
var typeArguments;
var mapper;
var result = true;
for (var i = 0; i < typeParameters.length; i++) {
var constraint = getConstraintOfTypeParameter(typeParameters[i]);
if (constraint) {
if (!typeArguments) {
typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode);
mapper = createTypeMapper(typeParameters, typeArguments);
}
var typeArgument = typeArguments[i];
result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1);
}
}
return result;
}
function checkTypeReferenceNode(node) {
checkGrammarTypeArguments(node, node.typeArguments);
var type = getTypeFromTypeReference(node);
if (type !== unknownType) {
if (node.typeArguments) {
ts.forEach(node.typeArguments, checkSourceElement);
if (produceDiagnostics) {
var symbol = getNodeLinks(node).resolvedSymbol;
var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters;
checkTypeArgumentConstraints(typeParameters, node.typeArguments);
}
}
if (type.flags & 16 && !type.memberTypes && getNodeLinks(node).resolvedSymbol.flags & 8) {
error(node, ts.Diagnostics.Enum_type_0_has_members_with_initializers_that_are_not_literals, typeToString(type));
}
}
}
function checkTypeQuery(node) {
getTypeFromTypeQueryNode(node);
}
function checkTypeLiteral(node) {
ts.forEach(node.members, checkSourceElement);
if (produceDiagnostics) {
var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node);
checkIndexConstraints(type);
checkTypeForDuplicateIndexSignatures(node);
checkObjectTypeForDuplicateDeclarations(node);
}
}
function checkArrayType(node) {
checkSourceElement(node.elementType);
}
function checkTupleType(node) {
var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes);
if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) {
grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty);
}
ts.forEach(node.elementTypes, checkSourceElement);
}
function checkUnionOrIntersectionType(node) {
ts.forEach(node.types, checkSourceElement);
}
function isPrivateWithinAmbient(node) {
return (node.flags & 8) && ts.isInAmbientContext(node);
}
function getEffectiveDeclarationFlags(n, flagsToCheck) {
var flags = ts.getCombinedNodeFlags(n);
if (n.parent.kind !== 222 &&
n.parent.kind !== 221 &&
n.parent.kind !== 192 &&
ts.isInAmbientContext(n)) {
if (!(flags & 2)) {
flags |= 1;
}
flags |= 2;
}
return flags & flagsToCheck;
}
function checkFunctionOrConstructorSymbol(symbol) {
if (!produceDiagnostics) {
return;
}
function getCanonicalOverload(overloads, implementation) {
var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent;
return implementationSharesContainerWithFirstOverload ? implementation : overloads[0];
}
function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) {
var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags;
if (someButNotAllOverloadFlags !== 0) {
var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck);
ts.forEach(overloads, function (o) {
var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1;
if (deviation & 1) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_non_exported);
}
else if (deviation & 2) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient);
}
else if (deviation & (8 | 16)) {
error(o.name || o, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected);
}
else if (deviation & 128) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_non_abstract);
}
});
}
}
function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) {
if (someHaveQuestionToken !== allHaveQuestionToken) {
var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation));
ts.forEach(overloads, function (o) {
var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1;
if (deviation) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required);
}
});
}
}
var flagsToCheck = 1 | 2 | 8 | 16 | 128;
var someNodeFlags = 0;
var allNodeFlags = flagsToCheck;
var someHaveQuestionToken = false;
var allHaveQuestionToken = true;
var hasOverloads = false;
var bodyDeclaration;
var lastSeenNonAmbientDeclaration;
var previousDeclaration;
var declarations = symbol.declarations;
var isConstructor = (symbol.flags & 16384) !== 0;
function reportImplementationExpectedError(node) {
if (node.name && ts.nodeIsMissing(node.name)) {
return;
}
var seen = false;
var subsequentNode = ts.forEachChild(node.parent, function (c) {
if (seen) {
return c;
}
else {
seen = c === node;
}
});
if (subsequentNode && subsequentNode.pos === node.end) {
if (subsequentNode.kind === node.kind) {
var errorNode_1 = subsequentNode.name || subsequentNode;
if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) {
var reportError = (node.kind === 147 || node.kind === 146) &&
(node.flags & 32) !== (subsequentNode.flags & 32);
if (reportError) {
var diagnostic = node.flags & 32 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static;
error(errorNode_1, diagnostic);
}
return;
}
else if (ts.nodeIsPresent(subsequentNode.body)) {
error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name));
return;
}
}
}
var errorNode = node.name || node;
if (isConstructor) {
error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing);
}
else {
if (node.flags & 128) {
error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive);
}
else {
error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration);
}
}
}
var duplicateFunctionDeclaration = false;
var multipleConstructorImplementation = false;
for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) {
var current = declarations_4[_i];
var node = current;
var inAmbientContext = ts.isInAmbientContext(node);
var inAmbientContextOrInterface = node.parent.kind === 222 || node.parent.kind === 159 || inAmbientContext;
if (inAmbientContextOrInterface) {
previousDeclaration = undefined;
}
if (node.kind === 220 || node.kind === 147 || node.kind === 146 || node.kind === 148) {
var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck);
someNodeFlags |= currentNodeFlags;
allNodeFlags &= currentNodeFlags;
someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node);
allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node);
if (ts.nodeIsPresent(node.body) && bodyDeclaration) {
if (isConstructor) {
multipleConstructorImplementation = true;
}
else {
duplicateFunctionDeclaration = true;
}
}
else if (previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) {
reportImplementationExpectedError(previousDeclaration);
}
if (ts.nodeIsPresent(node.body)) {
if (!bodyDeclaration) {
bodyDeclaration = node;
}
}
else {
hasOverloads = true;
}
previousDeclaration = node;
if (!inAmbientContextOrInterface) {
lastSeenNonAmbientDeclaration = node;
}
}
}
if (multipleConstructorImplementation) {
ts.forEach(declarations, function (declaration) {
error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed);
});
}
if (duplicateFunctionDeclaration) {
ts.forEach(declarations, function (declaration) {
error(declaration.name, ts.Diagnostics.Duplicate_function_implementation);
});
}
if (lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body &&
!(lastSeenNonAmbientDeclaration.flags & 128) && !lastSeenNonAmbientDeclaration.questionToken) {
reportImplementationExpectedError(lastSeenNonAmbientDeclaration);
}
if (hasOverloads) {
checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags);
checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken);
if (bodyDeclaration) {
var signatures = getSignaturesOfSymbol(symbol);
var bodySignature = getSignatureFromDeclaration(bodyDeclaration);
for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) {
var signature = signatures_3[_a];
if (!isImplementationCompatibleWithOverload(bodySignature, signature)) {
error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation);
break;
}
}
}
}
}
function checkExportsOnMergedDeclarations(node) {
if (!produceDiagnostics) {
return;
}
var symbol = node.localSymbol;
if (!symbol) {
symbol = getSymbolOfNode(node);
if (!(symbol.flags & 7340032)) {
return;
}
}
if (ts.getDeclarationOfKind(symbol, node.kind) !== node) {
return;
}
var exportedDeclarationSpaces = 0;
var nonExportedDeclarationSpaces = 0;
var defaultExportedDeclarationSpaces = 0;
for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
var d = _a[_i];
var declarationSpaces = getDeclarationSpaces(d);
var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 1 | 512);
if (effectiveDeclarationFlags & 1) {
if (effectiveDeclarationFlags & 512) {
defaultExportedDeclarationSpaces |= declarationSpaces;
}
else {
exportedDeclarationSpaces |= declarationSpaces;
}
}
else {
nonExportedDeclarationSpaces |= declarationSpaces;
}
}
var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces;
var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces;
var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces;
if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) {
for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) {
var d = _c[_b];
var declarationSpaces = getDeclarationSpaces(d);
if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) {
error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name));
}
else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) {
error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name));
}
}
}
function getDeclarationSpaces(d) {
switch (d.kind) {
case 222:
return 2097152;
case 225:
return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0
? 4194304 | 1048576
: 4194304;
case 221:
case 224:
return 2097152 | 1048576;
case 229:
var result_2 = 0;
var target = resolveAlias(getSymbolOfNode(d));
ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); });
return result_2;
default:
return 1048576;
}
}
}
function checkNonThenableType(type, location, message) {
type = getWidenedType(type);
if (!isTypeAny(type) && !isTypeNever(type) && isTypeAssignableTo(type, getGlobalThenableType())) {
if (location) {
if (!message) {
message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member;
}
error(location, message);
}
return unknownType;
}
return type;
}
function getPromisedType(promise) {
if (isTypeAny(promise)) {
return undefined;
}
if (promise.flags & 131072) {
if (promise.target === tryGetGlobalPromiseType()
|| promise.target === getGlobalPromiseLikeType()) {
return promise.typeArguments[0];
}
}
var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType();
if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) {
return undefined;
}
var thenFunction = getTypeOfPropertyOfType(promise, "then");
if (!thenFunction || isTypeAny(thenFunction)) {
return undefined;
}
var thenSignatures = getSignaturesOfType(thenFunction, 0);
if (thenSignatures.length === 0) {
return undefined;
}
var onfulfilledParameterType = getTypeWithFacts(getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)), 131072);
if (isTypeAny(onfulfilledParameterType)) {
return undefined;
}
var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0);
if (onfulfilledParameterSignatures.length === 0) {
return undefined;
}
return getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature), true);
}
function getTypeOfFirstParameterOfSignature(signature) {
return signature.parameters.length > 0 ? getTypeAtPosition(signature, 0) : neverType;
}
function getAwaitedType(type) {
return checkAwaitedType(type, undefined, undefined);
}
function checkAwaitedType(type, location, message) {
return checkAwaitedTypeWorker(type);
function checkAwaitedTypeWorker(type) {
if (type.flags & 524288) {
var types = [];
for (var _i = 0, _a = type.types; _i < _a.length; _i++) {
var constituentType = _a[_i];
types.push(checkAwaitedTypeWorker(constituentType));
}
return getUnionType(types, true);
}
else {
var promisedType = getPromisedType(type);
if (promisedType === undefined) {
return checkNonThenableType(type, location, message);
}
else {
if (type.id === promisedType.id || ts.indexOf(awaitedTypeStack, promisedType.id) >= 0) {
if (location) {
error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol));
}
return unknownType;
}
awaitedTypeStack.push(type.id);
var awaitedType = checkAwaitedTypeWorker(promisedType);
awaitedTypeStack.pop();
return awaitedType;
}
}
}
}
function checkCorrectPromiseType(returnType, location) {
if (returnType === unknownType) {
return unknownType;
}
var globalPromiseType = getGlobalPromiseType();
if (globalPromiseType === emptyGenericType
|| globalPromiseType === getTargetType(returnType)) {
return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type);
}
error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type);
return unknownType;
}
function checkAsyncFunctionReturnType(node) {
if (languageVersion >= 2) {
var returnType = getTypeFromTypeNode(node.type);
return checkCorrectPromiseType(returnType, node.type);
}
var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType();
if (globalPromiseConstructorLikeType === emptyObjectType) {
return unknownType;
}
var promiseType = getTypeFromTypeNode(node.type);
if (promiseType === unknownType && compilerOptions.isolatedModules) {
return unknownType;
}
var promiseConstructor = getNodeLinks(node.type).resolvedSymbol;
if (!promiseConstructor || !symbolIsValue(promiseConstructor)) {
var typeName = promiseConstructor
? symbolToString(promiseConstructor)
: typeToString(promiseType);
error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName);
return unknownType;
}
checkReturnTypeAnnotationAsExpression(node);
var promiseConstructorType = getTypeOfSymbol(promiseConstructor);
if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) {
return unknownType;
}
var promiseName = ts.getEntityNameFromTypeNode(node.type);
var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName);
var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455);
if (rootSymbol) {
error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor));
return unknownType;
}
return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type);
}
function checkDecorator(node) {
var signature = getResolvedSignature(node);
var returnType = getReturnTypeOfSignature(signature);
if (returnType.flags & 1) {
return;
}
var expectedReturnType;
var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node);
var errorInfo;
switch (node.parent.kind) {
case 221:
var classSymbol = getSymbolOfNode(node.parent);
var classConstructorType = getTypeOfSymbol(classSymbol);
expectedReturnType = getUnionType([classConstructorType, voidType]);
break;
case 142:
expectedReturnType = voidType;
errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any);
break;
case 145:
expectedReturnType = voidType;
errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any);
break;
case 147:
case 149:
case 150:
var methodType = getTypeOfNode(node.parent);
var descriptorType = createTypedPropertyDescriptorType(methodType);
expectedReturnType = getUnionType([descriptorType, voidType]);
break;
}
checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo);
}
function checkTypeNodeAsExpression(node) {
if (node && node.kind === 155) {
var root = getFirstIdentifier(node.typeName);
var meaning = root.parent.kind === 155 ? 793064 : 1920;
var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined);
if (rootSymbol && rootSymbol.flags & 8388608) {
var aliasTarget = resolveAlias(rootSymbol);
if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) {
markAliasSymbolAsReferenced(rootSymbol);
}
}
}
}
function checkTypeAnnotationAsExpression(node) {
checkTypeNodeAsExpression(node.type);
}
function checkReturnTypeAnnotationAsExpression(node) {
checkTypeNodeAsExpression(node.type);
}
function checkParameterTypeAnnotationsAsExpressions(node) {
for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) {
var parameter = _a[_i];
checkTypeAnnotationAsExpression(parameter);
}
}
function checkDecorators(node) {
if (!node.decorators) {
return;
}
if (!ts.nodeCanBeDecorated(node)) {
return;
}
if (!compilerOptions.experimentalDecorators) {
error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning);
}
if (compilerOptions.emitDecoratorMetadata) {
switch (node.kind) {
case 221:
var constructor = ts.getFirstConstructorWithBody(node);
if (constructor) {
checkParameterTypeAnnotationsAsExpressions(constructor);
}
break;
case 147:
case 149:
case 150:
checkParameterTypeAnnotationsAsExpressions(node);
checkReturnTypeAnnotationAsExpression(node);
break;
case 145:
case 142:
checkTypeAnnotationAsExpression(node);
break;
}
}
ts.forEach(node.decorators, checkDecorator);
}
function checkFunctionDeclaration(node) {
if (produceDiagnostics) {
checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node);
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
}
}
function checkFunctionOrMethodDeclaration(node) {
checkDecorators(node);
checkSignatureDeclaration(node);
var isAsync = ts.isAsyncFunctionLike(node);
if (node.name && node.name.kind === 140) {
checkComputedPropertyName(node.name);
}
if (!ts.hasDynamicName(node)) {
var symbol = getSymbolOfNode(node);
var localSymbol = node.localSymbol || symbol;
var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ?
declaration : undefined; });
if (node === firstDeclaration) {
checkFunctionOrConstructorSymbol(localSymbol);
}
if (symbol.parent) {
if (ts.getDeclarationOfKind(symbol, node.kind) === node) {
checkFunctionOrConstructorSymbol(symbol);
}
}
}
checkSourceElement(node.body);
if (!node.asteriskToken) {
var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type));
checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType);
}
if (produceDiagnostics && !node.type) {
if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) {
reportImplicitAnyError(node, anyType);
}
if (node.asteriskToken && ts.nodeIsPresent(node.body)) {
getReturnTypeOfSignature(getSignatureFromDeclaration(node));
}
}
registerForUnusedIdentifiersCheck(node);
}
function registerForUnusedIdentifiersCheck(node) {
if (deferredUnusedIdentifierNodes) {
deferredUnusedIdentifierNodes.push(node);
}
}
function checkUnusedIdentifiers() {
if (deferredUnusedIdentifierNodes) {
for (var _i = 0, deferredUnusedIdentifierNodes_1 = deferredUnusedIdentifierNodes; _i < deferredUnusedIdentifierNodes_1.length; _i++) {
var node = deferredUnusedIdentifierNodes_1[_i];
switch (node.kind) {
case 256:
case 225:
checkUnusedModuleMembers(node);
break;
case 221:
case 192:
checkUnusedClassMembers(node);
checkUnusedTypeParameters(node);
break;
case 222:
checkUnusedTypeParameters(node);
break;
case 199:
case 227:
case 206:
case 207:
case 208:
checkUnusedLocalsAndParameters(node);
break;
case 148:
case 179:
case 220:
case 180:
case 147:
case 149:
case 150:
if (node.body) {
checkUnusedLocalsAndParameters(node);
}
checkUnusedTypeParameters(node);
break;
case 146:
case 151:
case 152:
case 153:
case 156:
case 157:
checkUnusedTypeParameters(node);
break;
}
;
}
}
}
function checkUnusedLocalsAndParameters(node) {
if (node.parent.kind !== 222 && noUnusedIdentifiers && !ts.isInAmbientContext(node)) {
var _loop_1 = function(key) {
var local = node.locals[key];
if (!local.isReferenced) {
if (local.valueDeclaration && local.valueDeclaration.kind === 142) {
var parameter = local.valueDeclaration;
if (compilerOptions.noUnusedParameters &&
!ts.isParameterPropertyDeclaration(parameter) &&
!parameterIsThisKeyword(parameter) &&
!parameterNameStartsWithUnderscore(parameter)) {
error(local.valueDeclaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name);
}
}
else if (compilerOptions.noUnusedLocals) {
ts.forEach(local.declarations, function (d) { return error(d.name || d, ts.Diagnostics._0_is_declared_but_never_used, local.name); });
}
}
};
for (var key in node.locals) {
_loop_1(key);
}
}
}
function parameterIsThisKeyword(parameter) {
return parameter.name && parameter.name.originalKeywordKind === 97;
}
function parameterNameStartsWithUnderscore(parameter) {
return parameter.name && parameter.name.kind === 69 && parameter.name.text.charCodeAt(0) === 95;
}
function checkUnusedClassMembers(node) {
if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) {
if (node.members) {
for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
var member = _a[_i];
if (member.kind === 147 || member.kind === 145) {
if (!member.symbol.isReferenced && member.flags & 8) {
error(member.name, ts.Diagnostics._0_is_declared_but_never_used, member.symbol.name);
}
}
else if (member.kind === 148) {
for (var _b = 0, _c = member.parameters; _b < _c.length; _b++) {
var parameter = _c[_b];
if (!parameter.symbol.isReferenced && parameter.flags & 8) {
error(parameter.name, ts.Diagnostics.Property_0_is_declared_but_never_used, parameter.symbol.name);
}
}
}
}
}
}
}
function checkUnusedTypeParameters(node) {
if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) {
if (node.typeParameters) {
var symbol = getSymbolOfNode(node);
var lastDeclaration = symbol && symbol.declarations && ts.lastOrUndefined(symbol.declarations);
if (lastDeclaration !== node) {
return;
}
for (var _i = 0, _a = node.typeParameters; _i < _a.length; _i++) {
var typeParameter = _a[_i];
if (!getMergedSymbol(typeParameter.symbol).isReferenced) {
error(typeParameter.name, ts.Diagnostics._0_is_declared_but_never_used, typeParameter.symbol.name);
}
}
}
}
}
function checkUnusedModuleMembers(node) {
if (compilerOptions.noUnusedLocals && !ts.isInAmbientContext(node)) {
for (var key in node.locals) {
var local = node.locals[key];
if (!local.isReferenced && !local.exportSymbol) {
for (var _i = 0, _a = local.declarations; _i < _a.length; _i++) {
var declaration = _a[_i];
if (!ts.isAmbientModule(declaration)) {
error(declaration.name, ts.Diagnostics._0_is_declared_but_never_used, local.name);
}
}
}
}
}
}
function checkBlock(node) {
if (node.kind === 199) {
checkGrammarStatementInAmbientContext(node);
}
ts.forEach(node.statements, checkSourceElement);
if (node.locals) {
registerForUnusedIdentifiersCheck(node);
}
}
function checkCollisionWithArgumentsInGeneratedCode(node) {
if (!ts.hasDeclaredRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) {
return;
}
ts.forEach(node.parameters, function (p) {
if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) {
error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters);
}
});
}
function needCollisionCheckForIdentifier(node, identifier, name) {
if (!(identifier && identifier.text === name)) {
return false;
}
if (node.kind === 145 ||
node.kind === 144 ||
node.kind === 147 ||
node.kind === 146 ||
node.kind === 149 ||
node.kind === 150) {
return false;
}
if (ts.isInAmbientContext(node)) {
return false;
}
var root = ts.getRootDeclaration(node);
if (root.kind === 142 && ts.nodeIsMissing(root.parent.body)) {
return false;
}
return true;
}
function checkCollisionWithCapturedThisVariable(node, name) {
if (needCollisionCheckForIdentifier(node, name, "_this")) {
potentialThisCollisions.push(node);
}
}
function checkIfThisIsCapturedInEnclosingScope(node) {
var current = node;
while (current) {
if (getNodeCheckFlags(current) & 4) {
var isDeclaration_1 = node.kind !== 69;
if (isDeclaration_1) {
error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference);
}
else {
error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference);
}
return;
}
current = current.parent;
}
}
function checkCollisionWithCapturedSuperVariable(node, name) {
if (!needCollisionCheckForIdentifier(node, name, "_super")) {
return;
}
var enclosingClass = ts.getContainingClass(node);
if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) {
return;
}
if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) {
var isDeclaration_2 = node.kind !== 69;
if (isDeclaration_2) {
error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference);
}
else {
error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference);
}
}
}
function checkCollisionWithRequireExportsInGeneratedCode(node, name) {
if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) {
return;
}
if (node.kind === 225 && ts.getModuleInstanceState(node) !== 1) {
return;
}
var parent = getDeclarationContainer(node);
if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent)) {
error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name));
}
}
function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) {
if (!needCollisionCheckForIdentifier(node, name, "Promise")) {
return;
}
if (node.kind === 225 && ts.getModuleInstanceState(node) !== 1) {
return;
}
var parent = getDeclarationContainer(node);
if (parent.kind === 256 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 2097152) {
error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name));
}
}
function checkVarDeclaredNamesNotShadowed(node) {
if ((ts.getCombinedNodeFlags(node) & 3072) !== 0 || ts.isParameterDeclaration(node)) {
return;
}
if (node.kind === 218 && !node.initializer) {
return;
}
var symbol = getSymbolOfNode(node);
if (symbol.flags & 1) {
var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined);
if (localDeclarationSymbol &&
localDeclarationSymbol !== symbol &&
localDeclarationSymbol.flags & 2) {
if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 3072) {
var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 219);
var container = varDeclList.parent.kind === 200 && varDeclList.parent.parent
? varDeclList.parent.parent
: undefined;
var namesShareScope = container &&
(container.kind === 199 && ts.isFunctionLike(container.parent) ||
container.kind === 226 ||
container.kind === 225 ||
container.kind === 256);
if (!namesShareScope) {
var name_17 = symbolToString(localDeclarationSymbol);
error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_17, name_17);
}
}
}
}
}
function checkParameterInitializer(node) {
if (ts.getRootDeclaration(node).kind !== 142) {
return;
}
var func = ts.getContainingFunction(node);
visit(node.initializer);
function visit(n) {
if (ts.isTypeNode(n) || ts.isDeclarationName(n)) {
return;
}
if (n.kind === 172) {
return visit(n.expression);
}
else if (n.kind === 69) {
var symbol = resolveName(n, n.text, 107455 | 8388608, undefined, undefined);
if (!symbol || symbol === unknownSymbol || !symbol.valueDeclaration) {
return;
}
if (symbol.valueDeclaration === node) {
error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name));
return;
}
var enclosingContainer = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration);
if (enclosingContainer === func) {
if (symbol.valueDeclaration.kind === 142) {
if (symbol.valueDeclaration.pos < node.pos) {
return;
}
var current = n;
while (current !== node.initializer) {
if (ts.isFunctionLike(current.parent)) {
return;
}
if (current.parent.kind === 145 &&
!(current.parent.flags & 32) &&
ts.isClassLike(current.parent.parent)) {
return;
}
current = current.parent;
}
}
error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n));
}
}
else {
return ts.forEachChild(n, visit);
}
}
}
function checkVariableLikeDeclaration(node) {
checkDecorators(node);
checkSourceElement(node.type);
if (node.name.kind === 140) {
checkComputedPropertyName(node.name);
if (node.initializer) {
checkExpressionCached(node.initializer);
}
}
if (node.kind === 169) {
if (node.propertyName && node.propertyName.kind === 140) {
checkComputedPropertyName(node.propertyName);
}
var parent_11 = node.parent.parent;
var parentType = getTypeForBindingElementParent(parent_11);
var name_18 = node.propertyName || node.name;
var property = getPropertyOfType(parentType, getTextOfPropertyName(name_18));
if (parent_11.initializer && property && getParentOfSymbol(property)) {
checkClassPropertyAccess(parent_11, parent_11.initializer, parentType, property);
}
}
if (ts.isBindingPattern(node.name)) {
ts.forEach(node.name.elements, checkSourceElement);
}
if (node.initializer && ts.getRootDeclaration(node).kind === 142 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) {
error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation);
return;
}
if (ts.isBindingPattern(node.name)) {
if (node.initializer && node.parent.parent.kind !== 207) {
checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined);
checkParameterInitializer(node);
}
return;
}
var symbol = getSymbolOfNode(node);
var type = getTypeOfVariableOrParameterOrProperty(symbol);
if (node === symbol.valueDeclaration) {
if (node.initializer && node.parent.parent.kind !== 207) {
checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined);
checkParameterInitializer(node);
}
}
else {
var declarationType = getWidenedTypeForVariableLikeDeclaration(node);
if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) {
error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType));
}
if (node.initializer) {
checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined);
}
if (!areDeclarationFlagsIdentical(node, symbol.valueDeclaration)) {
error(symbol.valueDeclaration.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name));
error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_modifiers, ts.declarationNameToString(node.name));
}
}
if (node.kind !== 145 && node.kind !== 144) {
checkExportsOnMergedDeclarations(node);
if (node.kind === 218 || node.kind === 169) {
checkVarDeclaredNamesNotShadowed(node);
}
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
}
}
function areDeclarationFlagsIdentical(left, right) {
if ((left.kind === 142 && right.kind === 218) ||
(left.kind === 218 && right.kind === 142)) {
return true;
}
if (ts.hasQuestionToken(left) !== ts.hasQuestionToken(right)) {
return false;
}
var interestingFlags = 8 |
16 |
256 |
128 |
64 |
32;
return (left.flags & interestingFlags) === (right.flags & interestingFlags);
}
function checkVariableDeclaration(node) {
checkGrammarVariableDeclaration(node);
return checkVariableLikeDeclaration(node);
}
function checkBindingElement(node) {
checkGrammarBindingElement(node);
return checkVariableLikeDeclaration(node);
}
function checkVariableStatement(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node);
ts.forEach(node.declarationList.declarations, checkSourceElement);
}
function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) {
if (node.modifiers && node.parent.kind === 171) {
if (ts.isAsyncFunctionLike(node)) {
if (node.modifiers.length > 1) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here);
}
}
else {
return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here);
}
}
}
function checkExpressionStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkExpression(node.expression);
}
function checkIfStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkExpression(node.expression);
checkSourceElement(node.thenStatement);
if (node.thenStatement.kind === 201) {
error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement);
}
checkSourceElement(node.elseStatement);
}
function checkDoStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkSourceElement(node.statement);
checkExpression(node.expression);
}
function checkWhileStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkExpression(node.expression);
checkSourceElement(node.statement);
}
function checkForStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
if (node.initializer && node.initializer.kind === 219) {
checkGrammarVariableDeclarationList(node.initializer);
}
}
if (node.initializer) {
if (node.initializer.kind === 219) {
ts.forEach(node.initializer.declarations, checkVariableDeclaration);
}
else {
checkExpression(node.initializer);
}
}
if (node.condition)
checkExpression(node.condition);
if (node.incrementor)
checkExpression(node.incrementor);
checkSourceElement(node.statement);
if (node.locals) {
registerForUnusedIdentifiersCheck(node);
}
}
function checkForOfStatement(node) {
checkGrammarForInOrForOfStatement(node);
if (node.initializer.kind === 219) {
checkForInOrForOfVariableDeclaration(node);
}
else {
var varExpr = node.initializer;
var iteratedType = checkRightHandSideOfForOf(node.expression);
if (varExpr.kind === 170 || varExpr.kind === 171) {
checkDestructuringAssignment(varExpr, iteratedType || unknownType);
}
else {
var leftType = checkExpression(varExpr);
checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_constant_or_a_read_only_property);
if (iteratedType) {
checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined);
}
}
}
checkSourceElement(node.statement);
if (node.locals) {
registerForUnusedIdentifiersCheck(node);
}
}
function checkForInStatement(node) {
checkGrammarForInOrForOfStatement(node);
if (node.initializer.kind === 219) {
var variable = node.initializer.declarations[0];
if (variable && ts.isBindingPattern(variable.name)) {
error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern);
}
checkForInOrForOfVariableDeclaration(node);
}
else {
var varExpr = node.initializer;
var leftType = checkExpression(varExpr);
if (varExpr.kind === 170 || varExpr.kind === 171) {
error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern);
}
else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 34)) {
error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any);
}
else {
checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_constant_or_a_read_only_property);
}
}
var rightType = checkNonNullExpression(node.expression);
if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 2588672 | 16384)) {
error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
checkSourceElement(node.statement);
if (node.locals) {
registerForUnusedIdentifiersCheck(node);
}
}
function checkForInOrForOfVariableDeclaration(iterationStatement) {
var variableDeclarationList = iterationStatement.initializer;
if (variableDeclarationList.declarations.length >= 1) {
var decl = variableDeclarationList.declarations[0];
checkVariableDeclaration(decl);
}
}
function checkRightHandSideOfForOf(rhsExpression) {
var expressionType = checkNonNullExpression(rhsExpression);
return checkIteratedTypeOrElementType(expressionType, rhsExpression, true);
}
function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) {
if (isTypeAny(inputType)) {
return inputType;
}
if (languageVersion >= 2) {
return checkElementTypeOfIterable(inputType, errorNode);
}
if (allowStringInput) {
return checkElementTypeOfArrayOrString(inputType, errorNode);
}
if (isArrayLikeType(inputType)) {
var indexType = getIndexTypeOfType(inputType, 1);
if (indexType) {
return indexType;
}
}
if (errorNode) {
error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType));
}
return unknownType;
}
function checkElementTypeOfIterable(iterable, errorNode) {
var elementType = getElementTypeOfIterable(iterable, errorNode);
if (errorNode && elementType) {
checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode);
}
return elementType || anyType;
}
function getElementTypeOfIterable(type, errorNode) {
if (isTypeAny(type)) {
return undefined;
}
var typeAsIterable = type;
if (!typeAsIterable.iterableElementType) {
if ((type.flags & 131072) && type.target === getGlobalIterableType()) {
typeAsIterable.iterableElementType = type.typeArguments[0];
}
else {
var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator"));
if (isTypeAny(iteratorFunction)) {
return undefined;
}
var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray;
if (iteratorFunctionSignatures.length === 0) {
if (errorNode) {
error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator);
}
return undefined;
}
typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature), true), errorNode);
}
}
return typeAsIterable.iterableElementType;
}
function getElementTypeOfIterator(type, errorNode) {
if (isTypeAny(type)) {
return undefined;
}
var typeAsIterator = type;
if (!typeAsIterator.iteratorElementType) {
if ((type.flags & 131072) && type.target === getGlobalIteratorType()) {
typeAsIterator.iteratorElementType = type.typeArguments[0];
}
else {
var iteratorNextFunction = getTypeOfPropertyOfType(type, "next");
if (isTypeAny(iteratorNextFunction)) {
return undefined;
}
var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray;
if (iteratorNextFunctionSignatures.length === 0) {
if (errorNode) {
error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method);
}
return undefined;
}
var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature), true);
if (isTypeAny(iteratorNextResult)) {
return undefined;
}
var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value");
if (!iteratorNextValue) {
if (errorNode) {
error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property);
}
return undefined;
}
typeAsIterator.iteratorElementType = iteratorNextValue;
}
}
return typeAsIterator.iteratorElementType;
}
function getElementTypeOfIterableIterator(type) {
if (isTypeAny(type)) {
return undefined;
}
if ((type.flags & 131072) && type.target === getGlobalIterableIteratorType()) {
return type.typeArguments[0];
}
return getElementTypeOfIterable(type, undefined) ||
getElementTypeOfIterator(type, undefined);
}
function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) {
ts.Debug.assert(languageVersion < 2);
var arrayType = arrayOrStringType;
if (arrayOrStringType.flags & 524288) {
arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 34); }), true);
}
else if (arrayOrStringType.flags & 34) {
arrayType = neverType;
}
var hasStringConstituent = arrayOrStringType !== arrayType;
var reportedError = false;
if (hasStringConstituent) {
if (languageVersion < 1) {
error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher);
reportedError = true;
}
if (arrayType === neverType) {
return stringType;
}
}
if (!isArrayLikeType(arrayType)) {
if (!reportedError) {
var diagnostic = hasStringConstituent
? ts.Diagnostics.Type_0_is_not_an_array_type
: ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type;
error(errorNode, diagnostic, typeToString(arrayType));
}
return hasStringConstituent ? stringType : unknownType;
}
var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType;
if (hasStringConstituent) {
if (arrayElementType.flags & 34) {
return stringType;
}
return getUnionType([arrayElementType, stringType], true);
}
return arrayElementType;
}
function checkBreakOrContinueStatement(node) {
checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node);
}
function isGetAccessorWithAnnotatedSetAccessor(node) {
return !!(node.kind === 149 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 150)));
}
function isUnwrappedReturnTypeVoidOrAny(func, returnType) {
var unwrappedReturnType = ts.isAsyncFunctionLike(func) ? getPromisedType(returnType) : returnType;
return unwrappedReturnType && maybeTypeOfKind(unwrappedReturnType, 1024 | 1);
}
function checkReturnStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
var functionBlock = ts.getContainingFunction(node);
if (!functionBlock) {
grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body);
}
}
var func = ts.getContainingFunction(node);
if (func) {
var signature = getSignatureFromDeclaration(func);
var returnType = getReturnTypeOfSignature(signature);
if (strictNullChecks || node.expression || returnType === neverType) {
var exprType = node.expression ? checkExpressionCached(node.expression) : undefinedType;
if (func.asteriskToken) {
return;
}
if (func.kind === 150) {
if (node.expression) {
error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value);
}
}
else if (func.kind === 148) {
if (node.expression && !checkTypeAssignableTo(exprType, returnType, node.expression)) {
error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class);
}
}
else if (func.type || isGetAccessorWithAnnotatedSetAccessor(func)) {
if (ts.isAsyncFunctionLike(func)) {
var promisedType = getPromisedType(returnType);
var awaitedType = checkAwaitedType(exprType, node.expression || node, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member);
if (promisedType) {
checkTypeAssignableTo(awaitedType, promisedType, node.expression || node);
}
}
else {
checkTypeAssignableTo(exprType, returnType, node.expression || node);
}
}
}
else if (func.kind !== 148 && compilerOptions.noImplicitReturns && !isUnwrappedReturnTypeVoidOrAny(func, returnType)) {
error(node, ts.Diagnostics.Not_all_code_paths_return_a_value);
}
}
}
function checkWithStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
if (node.flags & 33554432) {
grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block);
}
}
checkExpression(node.expression);
error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any);
}
function checkSwitchStatement(node) {
checkGrammarStatementInAmbientContext(node);
var firstDefaultClause;
var hasDuplicateDefaultClause = false;
var expressionType = checkExpression(node.expression);
ts.forEach(node.caseBlock.clauses, function (clause) {
if (clause.kind === 250 && !hasDuplicateDefaultClause) {
if (firstDefaultClause === undefined) {
firstDefaultClause = clause;
}
else {
var sourceFile = ts.getSourceFileOfNode(node);
var start = ts.skipTrivia(sourceFile.text, clause.pos);
var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end;
grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement);
hasDuplicateDefaultClause = true;
}
}
if (produceDiagnostics && clause.kind === 249) {
var caseClause = clause;
var caseType = checkExpression(caseClause.expression);
if (!isTypeEqualityComparableTo(expressionType, caseType)) {
checkTypeComparableTo(caseType, expressionType, caseClause.expression, undefined);
}
}
ts.forEach(clause.statements, checkSourceElement);
});
if (node.caseBlock.locals) {
registerForUnusedIdentifiersCheck(node.caseBlock);
}
}
function checkLabeledStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
var current = node.parent;
while (current) {
if (ts.isFunctionLike(current)) {
break;
}
if (current.kind === 214 && current.label.text === node.label.text) {
var sourceFile = ts.getSourceFileOfNode(node);
grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label));
break;
}
current = current.parent;
}
}
checkSourceElement(node.statement);
}
function checkThrowStatement(node) {
if (!checkGrammarStatementInAmbientContext(node)) {
if (node.expression === undefined) {
grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here);
}
}
if (node.expression) {
checkExpression(node.expression);
}
}
function checkTryStatement(node) {
checkGrammarStatementInAmbientContext(node);
checkBlock(node.tryBlock);
var catchClause = node.catchClause;
if (catchClause) {
if (catchClause.variableDeclaration) {
if (catchClause.variableDeclaration.name.kind !== 69) {
grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier);
}
else if (catchClause.variableDeclaration.type) {
grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation);
}
else if (catchClause.variableDeclaration.initializer) {
grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer);
}
else {
var identifierName = catchClause.variableDeclaration.name.text;
var locals = catchClause.block.locals;
if (locals) {
var localSymbol = locals[identifierName];
if (localSymbol && (localSymbol.flags & 2) !== 0) {
grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName);
}
}
}
}
checkBlock(catchClause.block);
}
if (node.finallyBlock) {
checkBlock(node.finallyBlock);
}
}
function checkIndexConstraints(type) {
var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1);
var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0);
var stringIndexType = getIndexTypeOfType(type, 0);
var numberIndexType = getIndexTypeOfType(type, 1);
if (stringIndexType || numberIndexType) {
ts.forEach(getPropertiesOfObjectType(type), function (prop) {
var propType = getTypeOfSymbol(prop);
checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0);
checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1);
});
if (type.flags & 32768 && ts.isClassLike(type.symbol.valueDeclaration)) {
var classDeclaration = type.symbol.valueDeclaration;
for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) {
var member = _a[_i];
if (!(member.flags & 32) && ts.hasDynamicName(member)) {
var propType = getTypeOfSymbol(member.symbol);
checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0);
checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1);
}
}
}
}
var errorNode;
if (stringIndexType && numberIndexType) {
errorNode = declaredNumberIndexer || declaredStringIndexer;
if (!errorNode && (type.flags & 65536)) {
var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); });
errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0];
}
}
if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) {
error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType));
}
function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) {
if (!indexType) {
return;
}
if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) {
return;
}
var errorNode;
if (prop.valueDeclaration.name.kind === 140 || prop.parent === containingType.symbol) {
errorNode = prop.valueDeclaration;
}
else if (indexDeclaration) {
errorNode = indexDeclaration;
}
else if (containingType.flags & 65536) {
var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); });
errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0];
}
if (errorNode && !isTypeAssignableTo(propertyType, indexType)) {
var errorMessage = indexKind === 0
? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2
: ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2;
error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType));
}
}
}
function checkTypeNameIsReserved(name, message) {
switch (name.text) {
case "any":
case "number":
case "boolean":
case "string":
case "symbol":
case "void":
error(name, message, name.text);
}
}
function checkTypeParameters(typeParameterDeclarations) {
if (typeParameterDeclarations) {
for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) {
var node = typeParameterDeclarations[i];
checkTypeParameter(node);
if (produceDiagnostics) {
for (var j = 0; j < i; j++) {
if (typeParameterDeclarations[j].symbol === node.symbol) {
error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name));
}
}
}
}
}
}
function checkTypeParameterListsIdentical(node, symbol) {
if (symbol.declarations.length === 1) {
return;
}
var firstDecl;
for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
var declaration = _a[_i];
if (declaration.kind === 221 || declaration.kind === 222) {
if (!firstDecl) {
firstDecl = declaration;
}
else if (!areTypeParametersIdentical(firstDecl.typeParameters, node.typeParameters)) {
error(node.name, ts.Diagnostics.All_declarations_of_0_must_have_identical_type_parameters, node.name.text);
}
}
}
}
function checkClassExpression(node) {
checkClassLikeDeclaration(node);
checkNodeDeferred(node);
return getTypeOfSymbol(getSymbolOfNode(node));
}
function checkClassExpressionDeferred(node) {
ts.forEach(node.members, checkSourceElement);
registerForUnusedIdentifiersCheck(node);
}
function checkClassDeclaration(node) {
if (!node.name && !(node.flags & 512)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name);
}
checkClassLikeDeclaration(node);
ts.forEach(node.members, checkSourceElement);
registerForUnusedIdentifiersCheck(node);
}
function checkClassLikeDeclaration(node) {
checkGrammarClassDeclarationHeritageClauses(node);
checkDecorators(node);
if (node.name) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
}
checkTypeParameters(node.typeParameters);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
var type = getDeclaredTypeOfSymbol(symbol);
var typeWithThis = getTypeWithThisArgument(type);
var staticType = getTypeOfSymbol(symbol);
checkTypeParameterListsIdentical(node, symbol);
checkClassForDuplicateDeclarations(node);
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node);
if (baseTypeNode) {
var baseTypes = getBaseTypes(type);
if (baseTypes.length && produceDiagnostics) {
var baseType_1 = baseTypes[0];
var staticBaseType = getBaseConstructorTypeOfClass(type);
checkBaseTypeAccessibility(staticBaseType, baseTypeNode);
checkSourceElement(baseTypeNode.expression);
if (baseTypeNode.typeArguments) {
ts.forEach(baseTypeNode.typeArguments, checkSourceElement);
for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) {
var constructor = _a[_i];
if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) {
break;
}
}
}
checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1);
checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1);
if (baseType_1.symbol.valueDeclaration && !ts.isInAmbientContext(baseType_1.symbol.valueDeclaration)) {
if (!isBlockScopedNameDeclaredBeforeUse(baseType_1.symbol.valueDeclaration, node)) {
error(baseTypeNode, ts.Diagnostics.A_class_must_be_declared_after_its_base_class);
}
}
if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) {
var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments);
if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) {
error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type);
}
}
checkKindsOfPropertyMemberOverrides(type, baseType_1);
}
}
var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node);
if (implementedTypeNodes) {
for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) {
var typeRefNode = implementedTypeNodes_1[_b];
if (!ts.isEntityNameExpression(typeRefNode.expression)) {
error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments);
}
checkTypeReferenceNode(typeRefNode);
if (produceDiagnostics) {
var t = getTypeFromTypeNode(typeRefNode);
if (t !== unknownType) {
var declaredType = (t.flags & 131072) ? t.target : t;
if (declaredType.flags & (32768 | 65536)) {
checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1);
}
else {
error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface);
}
}
}
}
}
if (produceDiagnostics) {
checkIndexConstraints(type);
checkTypeForDuplicateIndexSignatures(node);
}
}
function checkBaseTypeAccessibility(type, node) {
var signatures = getSignaturesOfType(type, 1);
if (signatures.length) {
var declaration = signatures[0].declaration;
if (declaration && declaration.flags & 8) {
var typeClassDeclaration = getClassLikeDeclarationOfSymbol(type.symbol);
if (!isNodeWithinClass(node, typeClassDeclaration)) {
error(node, ts.Diagnostics.Cannot_extend_a_class_0_Class_constructor_is_marked_as_private, node.expression.text);
}
}
}
}
function getTargetSymbol(s) {
return s.flags & 16777216 ? getSymbolLinks(s).target : s;
}
function getClassLikeDeclarationOfSymbol(symbol) {
return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; });
}
function checkKindsOfPropertyMemberOverrides(type, baseType) {
var baseProperties = getPropertiesOfObjectType(baseType);
for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) {
var baseProperty = baseProperties_1[_i];
var base = getTargetSymbol(baseProperty);
if (base.flags & 134217728) {
continue;
}
var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name));
var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base);
ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration.");
if (derived) {
if (derived === base) {
var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol);
if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(derivedClassDecl.flags & 128))) {
if (derivedClassDecl.kind === 192) {
error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType));
}
else {
error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType));
}
}
}
else {
var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived);
if ((baseDeclarationFlags & 8) || (derivedDeclarationFlags & 8)) {
continue;
}
if ((baseDeclarationFlags & 32) !== (derivedDeclarationFlags & 32)) {
continue;
}
if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) {
continue;
}
var errorMessage = void 0;
if (base.flags & 8192) {
if (derived.flags & 98304) {
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor;
}
else {
ts.Debug.assert((derived.flags & 4) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property;
}
}
else if (base.flags & 4) {
ts.Debug.assert((derived.flags & 8192) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function;
}
else {
ts.Debug.assert((base.flags & 98304) !== 0);
ts.Debug.assert((derived.flags & 8192) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function;
}
error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type));
}
}
}
}
function isAccessor(kind) {
return kind === 149 || kind === 150;
}
function areTypeParametersIdentical(list1, list2) {
if (!list1 && !list2) {
return true;
}
if (!list1 || !list2 || list1.length !== list2.length) {
return false;
}
for (var i = 0, len = list1.length; i < len; i++) {
var tp1 = list1[i];
var tp2 = list2[i];
if (tp1.name.text !== tp2.name.text) {
return false;
}
if (!tp1.constraint && !tp2.constraint) {
continue;
}
if (!tp1.constraint || !tp2.constraint) {
return false;
}
if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) {
return false;
}
}
return true;
}
function checkInheritedPropertiesAreIdentical(type, typeNode) {
var baseTypes = getBaseTypes(type);
if (baseTypes.length < 2) {
return true;
}
var seen = ts.createMap();
ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; });
var ok = true;
for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) {
var base = baseTypes_2[_i];
var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType));
for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) {
var prop = properties_4[_a];
var existing = seen[prop.name];
if (!existing) {
seen[prop.name] = { prop: prop, containingType: base };
}
else {
var isInheritedProperty = existing.containingType !== type;
if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) {
ok = false;
var typeName1 = typeToString(existing.containingType);
var typeName2 = typeToString(base);
var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2);
errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2);
diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo));
}
}
}
}
return ok;
}
function checkInterfaceDeclaration(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node);
checkTypeParameters(node.typeParameters);
if (produceDiagnostics) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
checkTypeParameterListsIdentical(node, symbol);
var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 222);
if (node === firstInterfaceDecl) {
var type = getDeclaredTypeOfSymbol(symbol);
var typeWithThis = getTypeWithThisArgument(type);
if (checkInheritedPropertiesAreIdentical(type, node.name)) {
for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) {
var baseType = _a[_i];
checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1);
}
checkIndexConstraints(type);
}
}
checkObjectTypeForDuplicateDeclarations(node);
}
ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) {
if (!ts.isEntityNameExpression(heritageElement.expression)) {
error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments);
}
checkTypeReferenceNode(heritageElement);
});
ts.forEach(node.members, checkSourceElement);
if (produceDiagnostics) {
checkTypeForDuplicateIndexSignatures(node);
registerForUnusedIdentifiersCheck(node);
}
}
function checkTypeAliasDeclaration(node) {
checkGrammarDecorators(node) || checkGrammarModifiers(node);
checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0);
checkSourceElement(node.type);
}
function computeEnumMemberValues(node) {
var nodeLinks = getNodeLinks(node);
if (!(nodeLinks.flags & 16384)) {
var enumSymbol = getSymbolOfNode(node);
var enumType = getDeclaredTypeOfSymbol(enumSymbol);
var autoValue = 0;
var ambient = ts.isInAmbientContext(node);
var enumIsConst = ts.isConst(node);
for (var _i = 0, _a = node.members; _i < _a.length; _i++) {
var member = _a[_i];
if (isComputedNonLiteralName(member.name)) {
error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums);
}
else {
var text = getTextOfPropertyName(member.name);
if (isNumericLiteralName(text)) {
error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name);
}
}
var previousEnumMemberIsNonConstant = autoValue === undefined;
var initializer = member.initializer;
if (initializer) {
autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient);
}
else if (ambient && !enumIsConst) {
autoValue = undefined;
}
else if (previousEnumMemberIsNonConstant) {
error(member.name, ts.Diagnostics.Enum_member_must_have_initializer);
}
if (autoValue !== undefined) {
getNodeLinks(member).enumMemberValue = autoValue;
autoValue++;
}
}
nodeLinks.flags |= 16384;
}
function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) {
var reportError = true;
var value = evalConstant(initializer);
if (reportError) {
if (value === undefined) {
if (enumIsConst) {
error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression);
}
else if (ambient) {
error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression);
}
else {
checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined);
}
}
else if (enumIsConst) {
if (isNaN(value)) {
error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN);
}
else if (!isFinite(value)) {
error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value);
}
}
}
return value;
function evalConstant(e) {
switch (e.kind) {
case 185:
var value_1 = evalConstant(e.operand);
if (value_1 === undefined) {
return undefined;
}
switch (e.operator) {
case 35: return value_1;
case 36: return -value_1;
case 50: return ~value_1;
}
return undefined;
case 187:
var left = evalConstant(e.left);
if (left === undefined) {
return undefined;
}
var right = evalConstant(e.right);
if (right === undefined) {
return undefined;
}
switch (e.operatorToken.kind) {
case 47: return left | right;
case 46: return left & right;
case 44: return left >> right;
case 45: return left >>> right;
case 43: return left << right;
case 48: return left ^ right;
case 37: return left * right;
case 39: return left / right;
case 35: return left + right;
case 36: return left - right;
case 40: return left % right;
}
return undefined;
case 8:
return +e.text;
case 178:
return evalConstant(e.expression);
case 69:
case 173:
case 172:
var member = initializer.parent;
var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent));
var enumType_1;
var propertyName = void 0;
if (e.kind === 69) {
enumType_1 = currentType;
propertyName = e.text;
}
else {
var expression = void 0;
if (e.kind === 173) {
if (e.argumentExpression === undefined ||
e.argumentExpression.kind !== 9) {
return undefined;
}
expression = e.expression;
propertyName = e.argumentExpression.text;
}
else {
expression = e.expression;
propertyName = e.name.text;
}
var current = expression;
while (current) {
if (current.kind === 69) {
break;
}
else if (current.kind === 172) {
current = current.expression;
}
else {
return undefined;
}
}
enumType_1 = checkExpression(expression);
if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) {
return undefined;
}
}
if (propertyName === undefined) {
return undefined;
}
var property = getPropertyOfObjectType(enumType_1, propertyName);
if (!property || !(property.flags & 8)) {
return undefined;
}
var propertyDecl = property.valueDeclaration;
if (member === propertyDecl) {
return undefined;
}
if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) {
reportError = false;
error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums);
return undefined;
}
return getNodeLinks(propertyDecl).enumMemberValue;
}
}
}
}
function checkEnumDeclaration(node) {
if (!produceDiagnostics) {
return;
}
checkGrammarDecorators(node) || checkGrammarModifiers(node);
checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
checkExportsOnMergedDeclarations(node);
computeEnumMemberValues(node);
var enumIsConst = ts.isConst(node);
if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) {
error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided);
}
var enumSymbol = getSymbolOfNode(node);
var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind);
if (node === firstDeclaration) {
if (enumSymbol.declarations.length > 1) {
ts.forEach(enumSymbol.declarations, function (decl) {
if (ts.isConstEnumDeclaration(decl) !== enumIsConst) {
error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const);
}
});
}
var seenEnumMissingInitialInitializer_1 = false;
ts.forEach(enumSymbol.declarations, function (declaration) {
if (declaration.kind !== 224) {
return false;
}
var enumDeclaration = declaration;
if (!enumDeclaration.members.length) {
return false;
}
var firstEnumMember = enumDeclaration.members[0];
if (!firstEnumMember.initializer) {
if (seenEnumMissingInitialInitializer_1) {
error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element);
}
else {
seenEnumMissingInitialInitializer_1 = true;
}
}
});
}
}
function getFirstNonAmbientClassOrFunctionDeclaration(symbol) {
var declarations = symbol.declarations;
for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) {
var declaration = declarations_5[_i];
if ((declaration.kind === 221 ||
(declaration.kind === 220 && ts.nodeIsPresent(declaration.body))) &&
!ts.isInAmbientContext(declaration)) {
return declaration;
}
}
return undefined;
}
function inSameLexicalScope(node1, node2) {
var container1 = ts.getEnclosingBlockScopeContainer(node1);
var container2 = ts.getEnclosingBlockScopeContainer(node2);
if (isGlobalSourceFile(container1)) {
return isGlobalSourceFile(container2);
}
else if (isGlobalSourceFile(container2)) {
return false;
}
else {
return container1 === container2;
}
}
function checkModuleDeclaration(node) {
if (produceDiagnostics) {
var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node);
var inAmbientContext = ts.isInAmbientContext(node);
if (isGlobalAugmentation && !inAmbientContext) {
error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context);
}
var isAmbientExternalModule = ts.isAmbientModule(node);
var contextErrorMessage = isAmbientExternalModule
? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file
: ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module;
if (checkGrammarModuleElementContext(node, contextErrorMessage)) {
return;
}
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) {
if (!inAmbientContext && node.name.kind === 9) {
grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names);
}
}
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
if (symbol.flags & 512
&& symbol.declarations.length > 1
&& !inAmbientContext
&& ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) {
var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol);
if (firstNonAmbientClassOrFunc) {
if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) {
error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged);
}
else if (node.pos < firstNonAmbientClassOrFunc.pos) {
error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged);
}
}
var mergedClass = ts.getDeclarationOfKind(symbol, 221);
if (mergedClass &&
inSameLexicalScope(node, mergedClass)) {
getNodeLinks(node).flags |= 32768;
}
}
if (isAmbientExternalModule) {
if (ts.isExternalModuleAugmentation(node)) {
var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432);
if (checkBody && node.body) {
for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) {
var statement = _a[_i];
checkModuleAugmentationElement(statement, isGlobalAugmentation);
}
}
}
else if (isGlobalSourceFile(node.parent)) {
if (isGlobalAugmentation) {
error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations);
}
else if (ts.isExternalModuleNameRelative(node.name.text)) {
error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name);
}
}
else {
if (isGlobalAugmentation) {
error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations);
}
else {
error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces);
}
}
}
}
if (node.body) {
checkSourceElement(node.body);
if (!ts.isGlobalScopeAugmentation(node)) {
registerForUnusedIdentifiersCheck(node);
}
}
}
function checkModuleAugmentationElement(node, isGlobalAugmentation) {
switch (node.kind) {
case 200:
for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) {
var decl = _a[_i];
checkModuleAugmentationElement(decl, isGlobalAugmentation);
}
break;
case 235:
case 236:
grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations);
break;
case 229:
case 230:
grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module);
break;
case 169:
case 218:
var name_19 = node.name;
if (ts.isBindingPattern(name_19)) {
for (var _b = 0, _c = name_19.elements; _b < _c.length; _b++) {
var el = _c[_b];
checkModuleAugmentationElement(el, isGlobalAugmentation);
}
break;
}
case 221:
case 224:
case 220:
case 222:
case 225:
case 223:
if (isGlobalAugmentation) {
return;
}
var symbol = getSymbolOfNode(node);
if (symbol) {
var reportError = !(symbol.flags & 33554432);
if (!reportError) {
reportError = ts.isExternalModuleAugmentation(symbol.parent.declarations[0]);
}
}
break;
}
}
function getFirstIdentifier(node) {
switch (node.kind) {
case 69:
return node;
case 139:
do {
node = node.left;
} while (node.kind !== 69);
return node;
case 172:
do {
node = node.expression;
} while (node.kind !== 69);
return node;
}
}
function checkExternalImportOrExportDeclaration(node) {
var moduleName = ts.getExternalModuleName(node);
if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) {
error(moduleName, ts.Diagnostics.String_literal_expected);
return false;
}
var inAmbientExternalModule = node.parent.kind === 226 && ts.isAmbientModule(node.parent.parent);
if (node.parent.kind !== 256 && !inAmbientExternalModule) {
error(moduleName, node.kind === 236 ?
ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace :
ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module);
return false;
}
if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) {
if (!isTopLevelInExternalModuleAugmentation(node)) {
error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name);
return false;
}
}
return true;
}
function checkAliasSymbol(node) {
var symbol = getSymbolOfNode(node);
var target = resolveAlias(symbol);
if (target !== unknownSymbol) {
var excludedMeanings = (symbol.flags & (107455 | 1048576) ? 107455 : 0) |
(symbol.flags & 793064 ? 793064 : 0) |
(symbol.flags & 1920 ? 1920 : 0);
if (target.flags & excludedMeanings) {
var message = node.kind === 238 ?
ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 :
ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0;
error(node, message, symbolToString(symbol));
}
}
}
function checkImportBinding(node) {
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name);
checkAliasSymbol(node);
}
function checkImportDeclaration(node) {
if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) {
return;
}
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1023)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers);
}
if (checkExternalImportOrExportDeclaration(node)) {
var importClause = node.importClause;
if (importClause) {
if (importClause.name) {
checkImportBinding(importClause);
}
if (importClause.namedBindings) {
if (importClause.namedBindings.kind === 232) {
checkImportBinding(importClause.namedBindings);
}
else {
ts.forEach(importClause.namedBindings.elements, checkImportBinding);
}
}
}
}
}
function checkImportEqualsDeclaration(node) {
if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) {
return;
}
checkGrammarDecorators(node) || checkGrammarModifiers(node);
if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) {
checkImportBinding(node);
if (node.flags & 1) {
markExportAsReferenced(node);
}
if (ts.isInternalModuleImportEqualsDeclaration(node)) {
var target = resolveAlias(getSymbolOfNode(node));
if (target !== unknownSymbol) {
if (target.flags & 107455) {
var moduleName = getFirstIdentifier(node.moduleReference);
if (!(resolveEntityName(moduleName, 107455 | 1920).flags & 1920)) {
error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName));
}
}
if (target.flags & 793064) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0);
}
}
}
else {
if (modulekind === ts.ModuleKind.ES6 && !ts.isInAmbientContext(node)) {
grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead);
}
}
}
}
function checkExportDeclaration(node) {
if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) {
return;
}
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1023)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers);
}
if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) {
if (node.exportClause) {
ts.forEach(node.exportClause.elements, checkExportSpecifier);
var inAmbientExternalModule = node.parent.kind === 226 && ts.isAmbientModule(node.parent.parent);
if (node.parent.kind !== 256 && !inAmbientExternalModule) {
error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace);
}
}
else {
var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier);
if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) {
error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol));
}
}
}
}
function checkGrammarModuleElementContext(node, errorMessage) {
var isInAppropriateContext = node.parent.kind === 256 || node.parent.kind === 226 || node.parent.kind === 225;
if (!isInAppropriateContext) {
grammarErrorOnFirstToken(node, errorMessage);
}
return !isInAppropriateContext;
}
function checkExportSpecifier(node) {
checkAliasSymbol(node);
if (!node.parent.parent.moduleSpecifier) {
var exportedName = node.propertyName || node.name;
var symbol = resolveName(exportedName, exportedName.text, 107455 | 793064 | 1920 | 8388608, undefined, undefined);
if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) {
error(exportedName, ts.Diagnostics.Cannot_export_0_Only_local_declarations_can_be_exported_from_a_module, exportedName.text);
}
else {
markExportAsReferenced(node);
}
}
}
function checkExportAssignment(node) {
if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) {
return;
}
var container = node.parent.kind === 256 ? node.parent : node.parent.parent;
if (container.kind === 225 && !ts.isAmbientModule(container)) {
error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace);
return;
}
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1023)) {
grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers);
}
if (node.expression.kind === 69) {
markExportAsReferenced(node);
}
else {
checkExpressionCached(node.expression);
}
checkExternalModuleExports(container);
if (node.isExportEquals && !ts.isInAmbientContext(node)) {
if (modulekind === ts.ModuleKind.ES6) {
grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_2015_modules_Consider_using_export_default_or_another_module_format_instead);
}
else if (modulekind === ts.ModuleKind.System) {
grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system);
}
}
}
function hasExportedMembers(moduleSymbol) {
for (var id in moduleSymbol.exports) {
if (id !== "export=") {
return true;
}
}
return false;
}
function checkExternalModuleExports(node) {
var moduleSymbol = getSymbolOfNode(node);
var links = getSymbolLinks(moduleSymbol);
if (!links.exportsChecked) {
var exportEqualsSymbol = moduleSymbol.exports["export="];
if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) {
var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration;
if (!isTopLevelInExternalModuleAugmentation(declaration)) {
error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements);
}
}
var exports = getExportsOfModule(moduleSymbol);
for (var id in exports) {
if (id === "__export") {
continue;
}
var _a = exports[id], declarations = _a.declarations, flags = _a.flags;
if (flags & (1920 | 64 | 384)) {
continue;
}
var exportedDeclarationsCount = ts.countWhere(declarations, isNotOverload);
if (flags & 524288 && exportedDeclarationsCount <= 2) {
continue;
}
if (exportedDeclarationsCount > 1) {
for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) {
var declaration = declarations_6[_i];
if (isNotOverload(declaration)) {
diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id));
}
}
}
}
links.exportsChecked = true;
}
function isNotOverload(declaration) {
return declaration.kind !== 220 || !!declaration.body;
}
}
function checkSourceElement(node) {
if (!node) {
return;
}
var kind = node.kind;
if (cancellationToken) {
switch (kind) {
case 225:
case 221:
case 222:
case 220:
cancellationToken.throwIfCancellationRequested();
}
}
switch (kind) {
case 141:
return checkTypeParameter(node);
case 142:
return checkParameter(node);
case 145:
case 144:
return checkPropertyDeclaration(node);
case 156:
case 157:
case 151:
case 152:
return checkSignatureDeclaration(node);
case 153:
return checkSignatureDeclaration(node);
case 147:
case 146:
return checkMethodDeclaration(node);
case 148:
return checkConstructorDeclaration(node);
case 149:
case 150:
return checkAccessorDeclaration(node);
case 155:
return checkTypeReferenceNode(node);
case 154:
return checkTypePredicate(node);
case 158:
return checkTypeQuery(node);
case 159:
return checkTypeLiteral(node);
case 160:
return checkArrayType(node);
case 161:
return checkTupleType(node);
case 162:
case 163:
return checkUnionOrIntersectionType(node);
case 164:
return checkSourceElement(node.type);
case 220:
return checkFunctionDeclaration(node);
case 199:
case 226:
return checkBlock(node);
case 200:
return checkVariableStatement(node);
case 202:
return checkExpressionStatement(node);
case 203:
return checkIfStatement(node);
case 204:
return checkDoStatement(node);
case 205:
return checkWhileStatement(node);
case 206:
return checkForStatement(node);
case 207:
return checkForInStatement(node);
case 208:
return checkForOfStatement(node);
case 209:
case 210:
return checkBreakOrContinueStatement(node);
case 211:
return checkReturnStatement(node);
case 212:
return checkWithStatement(node);
case 213:
return checkSwitchStatement(node);
case 214:
return checkLabeledStatement(node);
case 215:
return checkThrowStatement(node);
case 216:
return checkTryStatement(node);
case 218:
return checkVariableDeclaration(node);
case 169:
return checkBindingElement(node);
case 221:
return checkClassDeclaration(node);
case 222:
return checkInterfaceDeclaration(node);
case 223:
return checkTypeAliasDeclaration(node);
case 224:
return checkEnumDeclaration(node);
case 225:
return checkModuleDeclaration(node);
case 230:
return checkImportDeclaration(node);
case 229:
return checkImportEqualsDeclaration(node);
case 236:
return checkExportDeclaration(node);
case 235:
return checkExportAssignment(node);
case 201:
checkGrammarStatementInAmbientContext(node);
return;
case 217:
checkGrammarStatementInAmbientContext(node);
return;
case 239:
return checkMissingDeclaration(node);
}
}
function checkNodeDeferred(node) {
if (deferredNodes) {
deferredNodes.push(node);
}
}
function checkDeferredNodes() {
for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) {
var node = deferredNodes_1[_i];
switch (node.kind) {
case 179:
case 180:
case 147:
case 146:
checkFunctionExpressionOrObjectLiteralMethodDeferred(node);
break;
case 149:
case 150:
checkAccessorDeferred(node);
break;
case 192:
checkClassExpressionDeferred(node);
break;
}
}
}
function checkSourceFile(node) {
ts.performance.mark("beforeCheck");
checkSourceFileWorker(node);
ts.performance.mark("afterCheck");
ts.performance.measure("Check", "beforeCheck", "afterCheck");
}
function checkSourceFileWorker(node) {
var links = getNodeLinks(node);
if (!(links.flags & 1)) {
if (compilerOptions.skipLibCheck && node.isDeclarationFile || compilerOptions.skipDefaultLibCheck && node.hasNoDefaultLib) {
return;
}
checkGrammarSourceFile(node);
potentialThisCollisions.length = 0;
deferredNodes = [];
deferredUnusedIdentifierNodes = produceDiagnostics && noUnusedIdentifiers ? [] : undefined;
ts.forEach(node.statements, checkSourceElement);
checkDeferredNodes();
if (ts.isExternalModule(node)) {
registerForUnusedIdentifiersCheck(node);
}
if (!node.isDeclarationFile) {
checkUnusedIdentifiers();
}
deferredNodes = undefined;
deferredUnusedIdentifierNodes = undefined;
if (ts.isExternalOrCommonJsModule(node)) {
checkExternalModuleExports(node);
}
if (potentialThisCollisions.length) {
ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope);
potentialThisCollisions.length = 0;
}
links.flags |= 1;
}
}
function getDiagnostics(sourceFile, ct) {
try {
cancellationToken = ct;
return getDiagnosticsWorker(sourceFile);
}
finally {
cancellationToken = undefined;
}
}
function getDiagnosticsWorker(sourceFile) {
throwIfNonDiagnosticsProducing();
if (sourceFile) {
checkSourceFile(sourceFile);
return diagnostics.getDiagnostics(sourceFile.fileName);
}
ts.forEach(host.getSourceFiles(), checkSourceFile);
return diagnostics.getDiagnostics();
}
function getGlobalDiagnostics() {
throwIfNonDiagnosticsProducing();
return diagnostics.getGlobalDiagnostics();
}
function throwIfNonDiagnosticsProducing() {
if (!produceDiagnostics) {
throw new Error("Trying to get diagnostics from a type checker that does not produce them.");
}
}
function isInsideWithStatementBody(node) {
if (node) {
while (node.parent) {
if (node.parent.kind === 212 && node.parent.statement === node) {
return true;
}
node = node.parent;
}
}
return false;
}
function getSymbolsInScope(location, meaning) {
var symbols = ts.createMap();
var memberFlags = 0;
if (isInsideWithStatementBody(location)) {
return [];
}
populateSymbols();
return symbolsToArray(symbols);
function populateSymbols() {
while (location) {
if (location.locals && !isGlobalSourceFile(location)) {
copySymbols(location.locals, meaning);
}
switch (location.kind) {
case 256:
if (!ts.isExternalOrCommonJsModule(location)) {
break;
}
case 225:
copySymbols(getSymbolOfNode(location).exports, meaning & 8914931);
break;
case 224:
copySymbols(getSymbolOfNode(location).exports, meaning & 8);
break;
case 192:
var className = location.name;
if (className) {
copySymbol(location.symbol, meaning);
}
case 221:
case 222:
if (!(memberFlags & 32)) {
copySymbols(getSymbolOfNode(location).members, meaning & 793064);
}
break;
case 179:
var funcName = location.name;
if (funcName) {
copySymbol(location.symbol, meaning);
}
break;
}
if (ts.introducesArgumentsExoticObject(location)) {
copySymbol(argumentsSymbol, meaning);
}
memberFlags = location.flags;
location = location.parent;
}
copySymbols(globals, meaning);
}
function copySymbol(symbol, meaning) {
if (symbol.flags & meaning) {
var id = symbol.name;
if (!symbols[id]) {
symbols[id] = symbol;
}
}
}
function copySymbols(source, meaning) {
if (meaning) {
for (var id in source) {
var symbol = source[id];
copySymbol(symbol, meaning);
}
}
}
}
function isTypeDeclarationName(name) {
return name.kind === 69 &&
isTypeDeclaration(name.parent) &&
name.parent.name === name;
}
function isTypeDeclaration(node) {
switch (node.kind) {
case 141:
case 221:
case 222:
case 223:
case 224:
return true;
}
}
function isTypeReferenceIdentifier(entityName) {
var node = entityName;
while (node.parent && node.parent.kind === 139) {
node = node.parent;
}
return node.parent && (node.parent.kind === 155 || node.parent.kind === 267);
}
function isHeritageClauseElementIdentifier(entityName) {
var node = entityName;
while (node.parent && node.parent.kind === 172) {
node = node.parent;
}
return node.parent && node.parent.kind === 194;
}
function forEachEnclosingClass(node, callback) {
var result;
while (true) {
node = ts.getContainingClass(node);
if (!node)
break;
if (result = callback(node))
break;
}
return result;
}
function isNodeWithinClass(node, classDeclaration) {
return !!forEachEnclosingClass(node, function (n) { return n === classDeclaration; });
}
function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) {
while (nodeOnRightSide.parent.kind === 139) {
nodeOnRightSide = nodeOnRightSide.parent;
}
if (nodeOnRightSide.parent.kind === 229) {
return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent;
}
if (nodeOnRightSide.parent.kind === 235) {
return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent;
}
return undefined;
}
function isInRightSideOfImportOrExportAssignment(node) {
return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined;
}
function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) {
if (ts.isDeclarationName(entityName)) {
return getSymbolOfNode(entityName.parent);
}
if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 172) {
var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent);
switch (specialPropertyAssignmentKind) {
case 1:
case 3:
return getSymbolOfNode(entityName.parent);
case 4:
case 2:
return getSymbolOfNode(entityName.parent.parent);
default:
}
}
if (entityName.parent.kind === 235 && ts.isEntityNameExpression(entityName)) {
return resolveEntityName(entityName, 107455 | 793064 | 1920 | 8388608);
}
if (entityName.kind !== 172 && isInRightSideOfImportOrExportAssignment(entityName)) {
var importEqualsDeclaration = ts.getAncestor(entityName, 229);
ts.Debug.assert(importEqualsDeclaration !== undefined);
return getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importEqualsDeclaration, true);
}
if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) {
entityName = entityName.parent;
}
if (isHeritageClauseElementIdentifier(entityName)) {
var meaning = 0;
if (entityName.parent.kind === 194) {
meaning = 793064;
if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) {
meaning |= 107455;
}
}
else {
meaning = 1920;
}
meaning |= 8388608;
return resolveEntityName(entityName, meaning);
}
else if (ts.isExpression(entityName)) {
if (ts.nodeIsMissing(entityName)) {
return undefined;
}
if (entityName.kind === 69) {
if (ts.isJSXTagName(entityName) && isJsxIntrinsicIdentifier(entityName)) {
return getIntrinsicTagSymbol(entityName.parent);
}
return resolveEntityName(entityName, 107455, false, true);
}
else if (entityName.kind === 172) {
var symbol = getNodeLinks(entityName).resolvedSymbol;
if (!symbol) {
checkPropertyAccessExpression(entityName);
}
return getNodeLinks(entityName).resolvedSymbol;
}
else if (entityName.kind === 139) {
var symbol = getNodeLinks(entityName).resolvedSymbol;
if (!symbol) {
checkQualifiedName(entityName);
}
return getNodeLinks(entityName).resolvedSymbol;
}
}
else if (isTypeReferenceIdentifier(entityName)) {
var meaning = (entityName.parent.kind === 155 || entityName.parent.kind === 267) ? 793064 : 1920;
return resolveEntityName(entityName, meaning, false, true);
}
else if (entityName.parent.kind === 246) {
return getJsxAttributePropertySymbol(entityName.parent);
}
if (entityName.parent.kind === 154) {
return resolveEntityName(entityName, 1);
}
return undefined;
}
function getSymbolAtLocation(node) {
if (node.kind === 256) {
return ts.isExternalModule(node) ? getMergedSymbol(node.symbol) : undefined;
}
if (isInsideWithStatementBody(node)) {
return undefined;
}
if (ts.isDeclarationName(node)) {
return getSymbolOfNode(node.parent);
}
else if (ts.isLiteralComputedPropertyDeclarationName(node)) {
return getSymbolOfNode(node.parent.parent);
}
if (node.kind === 69) {
if (isInRightSideOfImportOrExportAssignment(node)) {
return getSymbolOfEntityNameOrPropertyAccessExpression(node);
}
else if (node.parent.kind === 169 &&
node.parent.parent.kind === 167 &&
node === node.parent.propertyName) {
var typeOfPattern = getTypeOfNode(node.parent.parent);
var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text);
if (propertyDeclaration) {
return propertyDeclaration;
}
}
}
switch (node.kind) {
case 69:
case 172:
case 139:
return getSymbolOfEntityNameOrPropertyAccessExpression(node);
case 97:
var container = ts.getThisContainer(node, false);
if (ts.isFunctionLike(container)) {
var sig = getSignatureFromDeclaration(container);
if (sig.thisParameter) {
return sig.thisParameter;
}
}
case 95:
var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node);
return type.symbol;
case 165:
return getTypeFromTypeNode(node).symbol;
case 121:
var constructorDeclaration = node.parent;
if (constructorDeclaration && constructorDeclaration.kind === 148) {
return constructorDeclaration.parent.symbol;
}
return undefined;
case 9:
if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) &&
ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) ||
((node.parent.kind === 230 || node.parent.kind === 236) &&
node.parent.moduleSpecifier === node)) {
return resolveExternalModuleName(node, node);
}
if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node.parent, false)) {
return resolveExternalModuleName(node, node);
}
case 8:
if (node.parent.kind === 173 && node.parent.argumentExpression === node) {
var objectType = checkExpression(node.parent.expression);
if (objectType === unknownType)
return undefined;
var apparentType = getApparentType(objectType);
if (apparentType === unknownType)
return undefined;
return getPropertyOfType(apparentType, node.text);
}
break;
}
return undefined;
}
function getShorthandAssignmentValueSymbol(location) {
if (location && location.kind === 254) {
return resolveEntityName(location.name, 107455 | 8388608);
}
return undefined;
}
function getExportSpecifierLocalTargetSymbol(node) {
return node.parent.parent.moduleSpecifier ?
getExternalModuleMember(node.parent.parent, node) :
resolveEntityName(node.propertyName || node.name, 107455 | 793064 | 1920 | 8388608);
}
function getTypeOfNode(node) {
if (isInsideWithStatementBody(node)) {
return unknownType;
}
if (ts.isTypeNode(node)) {
return getTypeFromTypeNode(node);
}
if (ts.isExpression(node)) {
return getTypeOfExpression(node);
}
if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) {
return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0];
}
if (isTypeDeclaration(node)) {
var symbol = getSymbolOfNode(node);
return getDeclaredTypeOfSymbol(symbol);
}
if (isTypeDeclarationName(node)) {
var symbol = getSymbolAtLocation(node);
return symbol && getDeclaredTypeOfSymbol(symbol);
}
if (ts.isDeclaration(node)) {
var symbol = getSymbolOfNode(node);
return getTypeOfSymbol(symbol);
}
if (ts.isDeclarationName(node)) {
var symbol = getSymbolAtLocation(node);
return symbol && getTypeOfSymbol(symbol);
}
if (ts.isBindingPattern(node)) {
return getTypeForVariableLikeDeclaration(node.parent, true);
}
if (isInRightSideOfImportOrExportAssignment(node)) {
var symbol = getSymbolAtLocation(node);
var declaredType = symbol && getDeclaredTypeOfSymbol(symbol);
return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol);
}
return unknownType;
}
function getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr) {
ts.Debug.assert(expr.kind === 171 || expr.kind === 170);
if (expr.parent.kind === 208) {
var iteratedType = checkRightHandSideOfForOf(expr.parent.expression);
return checkDestructuringAssignment(expr, iteratedType || unknownType);
}
if (expr.parent.kind === 187) {
var iteratedType = checkExpression(expr.parent.right);
return checkDestructuringAssignment(expr, iteratedType || unknownType);
}
if (expr.parent.kind === 253) {
var typeOfParentObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent.parent);
return checkObjectLiteralDestructuringPropertyAssignment(typeOfParentObjectLiteral || unknownType, expr.parent);
}
ts.Debug.assert(expr.parent.kind === 170);
var typeOfArrayLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(expr.parent);
var elementType = checkIteratedTypeOrElementType(typeOfArrayLiteral || unknownType, expr.parent, false) || unknownType;
return checkArrayLiteralDestructuringElementAssignment(expr.parent, typeOfArrayLiteral, ts.indexOf(expr.parent.elements, expr), elementType || unknownType);
}
function getPropertySymbolOfDestructuringAssignment(location) {
var typeOfObjectLiteral = getTypeOfArrayLiteralOrObjectLiteralDestructuringAssignment(location.parent.parent);
return typeOfObjectLiteral && getPropertyOfType(typeOfObjectLiteral, location.text);
}
function getTypeOfExpression(expr) {
if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) {
expr = expr.parent;
}
return checkExpression(expr);
}
function getParentTypeOfClassElement(node) {
var classSymbol = getSymbolOfNode(node.parent);
return node.flags & 32
? getTypeOfSymbol(classSymbol)
: getDeclaredTypeOfSymbol(classSymbol);
}
function getAugmentedPropertiesOfType(type) {
type = getApparentType(type);
var propsByName = createSymbolTable(getPropertiesOfType(type));
if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) {
ts.forEach(getPropertiesOfType(globalFunctionType), function (p) {
if (!propsByName[p.name]) {
propsByName[p.name] = p;
}
});
}
return getNamedMembers(propsByName);
}
function getRootSymbols(symbol) {
if (symbol.flags & 268435456) {
var symbols_3 = [];
var name_20 = symbol.name;
ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) {
var symbol = getPropertyOfType(t, name_20);
if (symbol) {
symbols_3.push(symbol);
}
});
return symbols_3;
}
else if (symbol.flags & 67108864) {
var target = void 0;
var next = symbol;
while (next = getSymbolLinks(next).target) {
target = next;
}
if (target) {
return [target];
}
}
return [symbol];
}
function isArgumentsLocalBinding(node) {
return getReferencedValueSymbol(node) === argumentsSymbol;
}
function moduleExportsSomeValue(moduleReferenceExpression) {
var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression);
if (!moduleSymbol || ts.isShorthandAmbientModuleSymbol(moduleSymbol)) {
return true;
}
var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol);
moduleSymbol = resolveExternalModuleSymbol(moduleSymbol);
var symbolLinks = getSymbolLinks(moduleSymbol);
if (symbolLinks.exportsSomeValue === undefined) {
symbolLinks.exportsSomeValue = hasExportAssignment
? !!(moduleSymbol.flags & 107455)
: ts.forEachProperty(getExportsOfModule(moduleSymbol), isValue);
}
return symbolLinks.exportsSomeValue;
function isValue(s) {
s = resolveSymbol(s);
return s && !!(s.flags & 107455);
}
}
function getReferencedExportContainer(node) {
var symbol = getReferencedValueSymbol(node);
if (symbol) {
if (symbol.flags & 1048576) {
var exportSymbol = getMergedSymbol(symbol.exportSymbol);
if (exportSymbol.flags & 944) {
return undefined;
}
symbol = exportSymbol;
}
var parentSymbol = getParentOfSymbol(symbol);
if (parentSymbol) {
if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 256) {
if (parentSymbol.valueDeclaration === ts.getSourceFileOfNode(node)) {
return parentSymbol.valueDeclaration;
}
}
for (var n = node.parent; n; n = n.parent) {
if ((n.kind === 225 || n.kind === 224) && getSymbolOfNode(n) === parentSymbol) {
return n;
}
}
}
}
}
function getReferencedImportDeclaration(node) {
var symbol = getReferencedValueSymbol(node);
return symbol && symbol.flags & 8388608 ? getDeclarationOfAliasSymbol(symbol) : undefined;
}
function isSymbolOfDeclarationWithCollidingName(symbol) {
if (symbol.flags & 418) {
var links = getSymbolLinks(symbol);
if (links.isDeclarationWithCollidingName === undefined) {
var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration);
if (ts.isStatementWithLocals(container)) {
var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration);
if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) {
links.isDeclarationWithCollidingName = true;
}
else if (nodeLinks_1.flags & 131072) {
var isDeclaredInLoop = nodeLinks_1.flags & 262144;
var inLoopInitializer = ts.isIterationStatement(container, false);
var inLoopBodyBlock = container.kind === 199 && ts.isIterationStatement(container.parent, false);
links.isDeclarationWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock));
}
else {
links.isDeclarationWithCollidingName = false;
}
}
}
return links.isDeclarationWithCollidingName;
}
return false;
}
function getReferencedDeclarationWithCollidingName(node) {
var symbol = getReferencedValueSymbol(node);
return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined;
}
function isDeclarationWithCollidingName(node) {
return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node));
}
function isValueAliasDeclaration(node) {
switch (node.kind) {
case 229:
case 231:
case 232:
case 234:
case 238:
return isAliasResolvedToValue(getSymbolOfNode(node));
case 236:
var exportClause = node.exportClause;
return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration);
case 235:
return node.expression && node.expression.kind === 69 ? isAliasResolvedToValue(getSymbolOfNode(node)) : true;
}
return false;
}
function isTopLevelValueImportEqualsWithEntityName(node) {
if (node.parent.kind !== 256 || !ts.isInternalModuleImportEqualsDeclaration(node)) {
return false;
}
var isValue = isAliasResolvedToValue(getSymbolOfNode(node));
return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference);
}
function isAliasResolvedToValue(symbol) {
var target = resolveAlias(symbol);
if (target === unknownSymbol) {
return true;
}
return target.flags & 107455 &&
(compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target));
}
function isConstEnumOrConstEnumOnlyModule(s) {
return isConstEnumSymbol(s) || s.constEnumOnlyModule;
}
function isReferencedAliasDeclaration(node, checkChildren) {
if (ts.isAliasSymbolDeclaration(node)) {
var symbol = getSymbolOfNode(node);
if (getSymbolLinks(symbol).referenced) {
return true;
}
}
if (checkChildren) {
return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); });
}
return false;
}
function isImplementationOfOverload(node) {
if (ts.nodeIsPresent(node.body)) {
var symbol = getSymbolOfNode(node);
var signaturesOfSymbol = getSignaturesOfSymbol(symbol);
return signaturesOfSymbol.length > 1 ||
(signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node);
}
return false;
}
function getNodeCheckFlags(node) {
return getNodeLinks(node).flags;
}
function getEnumMemberValue(node) {
computeEnumMemberValues(node.parent);
return getNodeLinks(node).enumMemberValue;
}
function getConstantValue(node) {
if (node.kind === 255) {
return getEnumMemberValue(node);
}
var symbol = getNodeLinks(node).resolvedSymbol;
if (symbol && (symbol.flags & 8)) {
if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) {
return getEnumMemberValue(symbol.valueDeclaration);
}
}
return undefined;
}
function isFunctionType(type) {
return type.flags & 2588672 && getSignaturesOfType(type, 0).length > 0;
}
function getTypeReferenceSerializationKind(typeName) {
var valueSymbol = resolveEntityName(typeName, 107455, true);
var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined;
if (constructorType && isConstructorType(constructorType)) {
return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue;
}
var typeSymbol = resolveEntityName(typeName, 793064, true);
if (!typeSymbol) {
return ts.TypeReferenceSerializationKind.ObjectType;
}
var type = getDeclaredTypeOfSymbol(typeSymbol);
if (type === unknownType) {
return ts.TypeReferenceSerializationKind.Unknown;
}
else if (type.flags & 1) {
return ts.TypeReferenceSerializationKind.ObjectType;
}
else if (isTypeOfKind(type, 1024)) {
return ts.TypeReferenceSerializationKind.VoidType;
}
else if (isTypeOfKind(type, 136)) {
return ts.TypeReferenceSerializationKind.BooleanType;
}
else if (isTypeOfKind(type, 340)) {
return ts.TypeReferenceSerializationKind.NumberLikeType;
}
else if (isTypeOfKind(type, 34)) {
return ts.TypeReferenceSerializationKind.StringLikeType;
}
else if (isTupleType(type)) {
return ts.TypeReferenceSerializationKind.ArrayLikeType;
}
else if (isTypeOfKind(type, 512)) {
return ts.TypeReferenceSerializationKind.ESSymbolType;
}
else if (isFunctionType(type)) {
return ts.TypeReferenceSerializationKind.TypeWithCallSignature;
}
else if (isArrayType(type)) {
return ts.TypeReferenceSerializationKind.ArrayLikeType;
}
else {
return ts.TypeReferenceSerializationKind.ObjectType;
}
}
function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) {
var symbol = getSymbolOfNode(declaration);
var type = symbol && !(symbol.flags & (2048 | 131072))
? getTypeOfSymbol(symbol)
: unknownType;
getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
}
function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) {
var signature = getSignatureFromDeclaration(signatureDeclaration);
getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags);
}
function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) {
var type = getWidenedType(getTypeOfExpression(expr));
getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
}
function writeBaseConstructorTypeOfClass(node, enclosingDeclaration, flags, writer) {
var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(node));
resolveBaseTypesOfClass(classType);
var baseType = classType.resolvedBaseTypes.length ? classType.resolvedBaseTypes[0] : unknownType;
getSymbolDisplayBuilder().buildTypeDisplay(baseType, writer, enclosingDeclaration, flags);
}
function hasGlobalName(name) {
return !!globals[name];
}
function getReferencedValueSymbol(reference) {
return getNodeLinks(reference).resolvedSymbol ||
resolveName(reference, reference.text, 107455 | 1048576 | 8388608, undefined, undefined);
}
function getReferencedValueDeclaration(reference) {
ts.Debug.assert(!ts.nodeIsSynthesized(reference));
var symbol = getReferencedValueSymbol(reference);
return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration;
}
function createResolver() {
var resolvedTypeReferenceDirectives = host.getResolvedTypeReferenceDirectives();
var fileToDirective;
if (resolvedTypeReferenceDirectives) {
fileToDirective = ts.createFileMap();
for (var key in resolvedTypeReferenceDirectives) {
var resolvedDirective = resolvedTypeReferenceDirectives[key];
if (!resolvedDirective) {
continue;
}
var file = host.getSourceFile(resolvedDirective.resolvedFileName);
if (!file) {
continue;
}
fileToDirective.set(file.path, key);
}
}
return {
getReferencedExportContainer: getReferencedExportContainer,
getReferencedImportDeclaration: getReferencedImportDeclaration,
getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName,
isDeclarationWithCollidingName: isDeclarationWithCollidingName,
isValueAliasDeclaration: isValueAliasDeclaration,
hasGlobalName: hasGlobalName,
isReferencedAliasDeclaration: isReferencedAliasDeclaration,
getNodeCheckFlags: getNodeCheckFlags,
isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName,
isDeclarationVisible: isDeclarationVisible,
isImplementationOfOverload: isImplementationOfOverload,
writeTypeOfDeclaration: writeTypeOfDeclaration,
writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration,
writeTypeOfExpression: writeTypeOfExpression,
writeBaseConstructorTypeOfClass: writeBaseConstructorTypeOfClass,
isSymbolAccessible: isSymbolAccessible,
isEntityNameVisible: isEntityNameVisible,
getConstantValue: getConstantValue,
collectLinkedAliases: collectLinkedAliases,
getReferencedValueDeclaration: getReferencedValueDeclaration,
getTypeReferenceSerializationKind: getTypeReferenceSerializationKind,
isOptionalParameter: isOptionalParameter,
moduleExportsSomeValue: moduleExportsSomeValue,
isArgumentsLocalBinding: isArgumentsLocalBinding,
getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration,
getTypeReferenceDirectivesForEntityName: getTypeReferenceDirectivesForEntityName,
getTypeReferenceDirectivesForSymbol: getTypeReferenceDirectivesForSymbol
};
function getTypeReferenceDirectivesForEntityName(node) {
if (!fileToDirective) {
return undefined;
}
var meaning = (node.kind === 172) || (node.kind === 69 && isInTypeQuery(node))
? 107455 | 1048576
: 793064 | 1920;
var symbol = resolveEntityName(node, meaning, true);
return symbol && symbol !== unknownSymbol ? getTypeReferenceDirectivesForSymbol(symbol, meaning) : undefined;
}
function getTypeReferenceDirectivesForSymbol(symbol, meaning) {
if (!fileToDirective) {
return undefined;
}
if (!isSymbolFromTypeDeclarationFile(symbol)) {
return undefined;
}
var typeReferenceDirectives;
for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
var decl = _a[_i];
if (decl.symbol && decl.symbol.flags & meaning) {
var file = ts.getSourceFileOfNode(decl);
var typeReferenceDirective = fileToDirective.get(file.path);
if (typeReferenceDirective) {
(typeReferenceDirectives || (typeReferenceDirectives = [])).push(typeReferenceDirective);
}
}
}
return typeReferenceDirectives;
}
function isSymbolFromTypeDeclarationFile(symbol) {
if (!symbol.declarations) {
return false;
}
var current = symbol;
while (true) {
var parent_12 = getParentOfSymbol(current);
if (parent_12) {
current = parent_12;
}
else {
break;
}
}
if (current.valueDeclaration && current.valueDeclaration.kind === 256 && current.flags & 512) {
return false;
}
for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
var decl = _a[_i];
var file = ts.getSourceFileOfNode(decl);
if (fileToDirective.contains(file.path)) {
return true;
}
}
return false;
}
}
function getExternalModuleFileFromDeclaration(declaration) {
var specifier = ts.getExternalModuleName(declaration);
var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined);
if (!moduleSymbol) {
return undefined;
}
return ts.getDeclarationOfKind(moduleSymbol, 256);
}
function initializeTypeChecker() {
ts.forEach(host.getSourceFiles(), function (file) {
ts.bindSourceFile(file, compilerOptions);
});
var augmentations;
ts.forEach(host.getSourceFiles(), function (file) {
if (!ts.isExternalOrCommonJsModule(file)) {
mergeSymbolTable(globals, file.locals);
}
if (file.patternAmbientModules && file.patternAmbientModules.length) {
patternAmbientModules = ts.concatenate(patternAmbientModules, file.patternAmbientModules);
}
if (file.moduleAugmentations.length) {
(augmentations || (augmentations = [])).push(file.moduleAugmentations);
}
if (file.symbol && file.symbol.globalExports) {
var source = file.symbol.globalExports;
for (var id in source) {
if (!(id in globals)) {
globals[id] = source[id];
}
}
}
});
if (augmentations) {
for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) {
var list = augmentations_1[_i];
for (var _a = 0, list_2 = list; _a < list_2.length; _a++) {
var augmentation = list_2[_a];
mergeModuleAugmentation(augmentation);
}
}
}
addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0);
getSymbolLinks(undefinedSymbol).type = undefinedWideningType;
getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments");
getSymbolLinks(unknownSymbol).type = unknownType;
globalArrayType = getGlobalType("Array", 1);
globalObjectType = getGlobalType("Object");
globalFunctionType = getGlobalType("Function");
globalStringType = getGlobalType("String");
globalNumberType = getGlobalType("Number");
globalBooleanType = getGlobalType("Boolean");
globalRegExpType = getGlobalType("RegExp");
jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element);
getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); });
getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); });
getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); });
getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); });
getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); });
getGlobalESSymbolConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Symbol"); });
getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); });
tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793064, undefined) && getGlobalPromiseType(); });
getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); });
getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType);
getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); });
getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); });
getGlobalThenableType = ts.memoize(createThenableType);
getGlobalTemplateStringsArrayType = ts.memoize(function () { return getGlobalType("TemplateStringsArray"); });
if (languageVersion >= 2) {
getGlobalESSymbolType = ts.memoize(function () { return getGlobalType("Symbol"); });
getGlobalIterableType = ts.memoize(function () { return getGlobalType("Iterable", 1); });
getGlobalIteratorType = ts.memoize(function () { return getGlobalType("Iterator", 1); });
getGlobalIterableIteratorType = ts.memoize(function () { return getGlobalType("IterableIterator", 1); });
}
else {
getGlobalESSymbolType = ts.memoize(function () { return emptyObjectType; });
getGlobalIterableType = ts.memoize(function () { return emptyGenericType; });
getGlobalIteratorType = ts.memoize(function () { return emptyGenericType; });
getGlobalIterableIteratorType = ts.memoize(function () { return emptyGenericType; });
}
anyArrayType = createArrayType(anyType);
var symbol = getGlobalSymbol("ReadonlyArray", 793064, undefined);
globalReadonlyArrayType = symbol && getTypeOfGlobalSymbol(symbol, 1);
anyReadonlyArrayType = globalReadonlyArrayType ? createTypeFromGenericGlobalType(globalReadonlyArrayType, [anyType]) : anyArrayType;
}
function createInstantiatedPromiseLikeType() {
var promiseLikeType = getGlobalPromiseLikeType();
if (promiseLikeType !== emptyGenericType) {
return createTypeReference(promiseLikeType, [anyType]);
}
return emptyObjectType;
}
function createThenableType() {
var thenPropertySymbol = createSymbol(67108864 | 4, "then");
getSymbolLinks(thenPropertySymbol).type = globalFunctionType;
var thenableType = createObjectType(2097152);
thenableType.properties = [thenPropertySymbol];
thenableType.members = createSymbolTable(thenableType.properties);
thenableType.callSignatures = [];
thenableType.constructSignatures = [];
return thenableType;
}
function checkGrammarDecorators(node) {
if (!node.decorators) {
return false;
}
if (!ts.nodeCanBeDecorated(node)) {
if (node.kind === 147 && !ts.nodeIsPresent(node.body)) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload);
}
else {
return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here);
}
}
else if (node.kind === 149 || node.kind === 150) {
var accessors = ts.getAllAccessorDeclarations(node.parent.members, node);
if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name);
}
}
return false;
}
function checkGrammarModifiers(node) {
var quickResult = reportObviousModifierErrors(node);
if (quickResult !== undefined) {
return quickResult;
}
var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync, lastReadonly;
var flags = 0;
for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) {
var modifier = _a[_i];
if (modifier.kind !== 128) {
if (node.kind === 144 || node.kind === 146) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_member, ts.tokenToString(modifier.kind));
}
if (node.kind === 153) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_an_index_signature, ts.tokenToString(modifier.kind));
}
}
switch (modifier.kind) {
case 74:
if (node.kind !== 224 && node.parent.kind === 221) {
return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74));
}
break;
case 112:
case 111:
case 110:
var text = visibilityToString(ts.modifierToFlag(modifier.kind));
if (modifier.kind === 111) {
lastProtected = modifier;
}
else if (modifier.kind === 110) {
lastPrivate = modifier;
}
if (flags & 28) {
return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen);
}
else if (flags & 32) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static");
}
else if (flags & 64) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "readonly");
}
else if (flags & 256) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async");
}
else if (node.parent.kind === 226 || node.parent.kind === 256) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, text);
}
else if (flags & 128) {
if (modifier.kind === 110) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract");
}
else {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract");
}
}
flags |= ts.modifierToFlag(modifier.kind);
break;
case 113:
if (flags & 32) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static");
}
else if (flags & 64) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "readonly");
}
else if (flags & 256) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async");
}
else if (node.parent.kind === 226 || node.parent.kind === 256) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_or_namespace_element, "static");
}
else if (node.kind === 142) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static");
}
else if (flags & 128) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract");
}
flags |= 32;
lastStatic = modifier;
break;
case 128:
if (flags & 64) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "readonly");
}
else if (node.kind !== 145 && node.kind !== 144 && node.kind !== 153 && node.kind !== 142) {
return grammarErrorOnNode(modifier, ts.Diagnostics.readonly_modifier_can_only_appear_on_a_property_declaration_or_index_signature);
}
flags |= 64;
lastReadonly = modifier;
break;
case 82:
if (flags & 1) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export");
}
else if (flags & 2) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare");
}
else if (flags & 128) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract");
}
else if (flags & 256) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async");
}
else if (node.parent.kind === 221) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export");
}
else if (node.kind === 142) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export");
}
flags |= 1;
break;
case 122:
if (flags & 2) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare");
}
else if (flags & 256) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async");
}
else if (node.parent.kind === 221) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare");
}
else if (node.kind === 142) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare");
}
else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 226) {
return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context);
}
flags |= 2;
lastDeclare = modifier;
break;
case 115:
if (flags & 128) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract");
}
if (node.kind !== 221) {
if (node.kind !== 147 &&
node.kind !== 145 &&
node.kind !== 149 &&
node.kind !== 150) {
return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_method_or_property_declaration);
}
if (!(node.parent.kind === 221 && node.parent.flags & 128)) {
return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class);
}
if (flags & 32) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract");
}
if (flags & 8) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract");
}
}
flags |= 128;
break;
case 118:
if (flags & 256) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async");
}
else if (flags & 2 || ts.isInAmbientContext(node.parent)) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async");
}
else if (node.kind === 142) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async");
}
flags |= 256;
lastAsync = modifier;
break;
}
}
if (node.kind === 148) {
if (flags & 32) {
return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static");
}
if (flags & 128) {
return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract");
}
else if (flags & 256) {
return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async");
}
else if (flags & 64) {
return grammarErrorOnNode(lastReadonly, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "readonly");
}
return;
}
else if ((node.kind === 230 || node.kind === 229) && flags & 2) {
return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare");
}
else if (node.kind === 142 && (flags & 92) && ts.isBindingPattern(node.name)) {
return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_declared_using_a_binding_pattern);
}
else if (node.kind === 142 && (flags & 92) && node.dotDotDotToken) {
return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_cannot_be_declared_using_a_rest_parameter);
}
if (flags & 256) {
return checkGrammarAsyncModifier(node, lastAsync);
}
}
function reportObviousModifierErrors(node) {
return !node.modifiers
? false
: shouldReportBadModifier(node)
? grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here)
: undefined;
}
function shouldReportBadModifier(node) {
switch (node.kind) {
case 149:
case 150:
case 148:
case 145:
case 144:
case 147:
case 146:
case 153:
case 225:
case 230:
case 229:
case 236:
case 235:
case 179:
case 180:
case 142:
return false;
default:
if (node.parent.kind === 226 || node.parent.kind === 256) {
return false;
}
switch (node.kind) {
case 220:
return nodeHasAnyModifiersExcept(node, 118);
case 221:
return nodeHasAnyModifiersExcept(node, 115);
case 222:
case 200:
case 223:
return true;
case 224:
return nodeHasAnyModifiersExcept(node, 74);
default:
ts.Debug.fail();
return false;
}
}
}
function nodeHasAnyModifiersExcept(node, allowedModifier) {
return node.modifiers.length > 1 || node.modifiers[0].kind !== allowedModifier;
}
function checkGrammarAsyncModifier(node, asyncModifier) {
if (languageVersion < 2) {
return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_2015_or_higher);
}
switch (node.kind) {
case 147:
case 220:
case 179:
case 180:
if (!node.asteriskToken) {
return false;
}
break;
}
return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async");
}
function checkGrammarForDisallowedTrailingComma(list) {
if (list && list.hasTrailingComma) {
var start = list.end - ",".length;
var end = list.end;
var sourceFile = ts.getSourceFileOfNode(list[0]);
return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed);
}
}
function checkGrammarTypeParameterList(node, typeParameters, file) {
if (checkGrammarForDisallowedTrailingComma(typeParameters)) {
return true;
}
if (typeParameters && typeParameters.length === 0) {
var start = typeParameters.pos - "<".length;
var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length;
return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty);
}
}
function checkGrammarParameterList(parameters) {
var seenOptionalParameter = false;
var parameterCount = parameters.length;
for (var i = 0; i < parameterCount; i++) {
var parameter = parameters[i];
if (parameter.dotDotDotToken) {
if (i !== (parameterCount - 1)) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list);
}
if (ts.isBindingPattern(parameter.name)) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern);
}
if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional);
}
if (parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer);
}
}
else if (parameter.questionToken) {
seenOptionalParameter = true;
if (parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer);
}
}
else if (seenOptionalParameter && !parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter);
}
}
}
function checkGrammarFunctionLikeDeclaration(node) {
var file = ts.getSourceFileOfNode(node);
return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) ||
checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file);
}
function checkGrammarArrowFunction(node, file) {
if (node.kind === 180) {
var arrowFunction = node;
var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line;
var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line;
if (startLine !== endLine) {
return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow);
}
}
return false;
}
function checkGrammarIndexSignatureParameters(node) {
var parameter = node.parameters[0];
if (node.parameters.length !== 1) {
if (parameter) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter);
}
else {
return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter);
}
}
if (parameter.dotDotDotToken) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter);
}
if (parameter.flags & 1023) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier);
}
if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark);
}
if (parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer);
}
if (!parameter.type) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation);
}
if (parameter.type.kind !== 132 && parameter.type.kind !== 130) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number);
}
if (!node.type) {
return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation);
}
}
function checkGrammarIndexSignature(node) {
return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node);
}
function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) {
if (typeArguments && typeArguments.length === 0) {
var sourceFile = ts.getSourceFileOfNode(node);
var start = typeArguments.pos - "<".length;
var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length;
return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty);
}
}
function checkGrammarTypeArguments(node, typeArguments) {
return checkGrammarForDisallowedTrailingComma(typeArguments) ||
checkGrammarForAtLeastOneTypeArgument(node, typeArguments);
}
function checkGrammarForOmittedArgument(node, args) {
if (args) {
var sourceFile = ts.getSourceFileOfNode(node);
for (var _i = 0, args_1 = args; _i < args_1.length; _i++) {
var arg = args_1[_i];
if (arg.kind === 193) {
return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected);
}
}
}
}
function checkGrammarArguments(node, args) {
return checkGrammarForOmittedArgument(node, args);
}
function checkGrammarHeritageClause(node) {
var types = node.types;
if (checkGrammarForDisallowedTrailingComma(types)) {
return true;
}
if (types && types.length === 0) {
var listType = ts.tokenToString(node.token);
var sourceFile = ts.getSourceFileOfNode(node);
return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType);
}
}
function checkGrammarClassDeclarationHeritageClauses(node) {
var seenExtendsClause = false;
var seenImplementsClause = false;
if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) {
for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) {
var heritageClause = _a[_i];
if (heritageClause.token === 83) {
if (seenExtendsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen);
}
if (seenImplementsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause);
}
if (heritageClause.types.length > 1) {
return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class);
}
seenExtendsClause = true;
}
else {
ts.Debug.assert(heritageClause.token === 106);
if (seenImplementsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen);
}
seenImplementsClause = true;
}
checkGrammarHeritageClause(heritageClause);
}
}
}
function checkGrammarInterfaceDeclaration(node) {
var seenExtendsClause = false;
if (node.heritageClauses) {
for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) {
var heritageClause = _a[_i];
if (heritageClause.token === 83) {
if (seenExtendsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen);
}
seenExtendsClause = true;
}
else {
ts.Debug.assert(heritageClause.token === 106);
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause);
}
checkGrammarHeritageClause(heritageClause);
}
}
return false;
}
function checkGrammarComputedPropertyName(node) {
if (node.kind !== 140) {
return false;
}
var computedPropertyName = node;
if (computedPropertyName.expression.kind === 187 && computedPropertyName.expression.operatorToken.kind === 24) {
return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name);
}
}
function checkGrammarForGenerator(node) {
if (node.asteriskToken) {
ts.Debug.assert(node.kind === 220 ||
node.kind === 179 ||
node.kind === 147);
if (ts.isInAmbientContext(node)) {
return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context);
}
if (!node.body) {
return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator);
}
if (languageVersion < 2) {
return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_2015_or_higher);
}
}
}
function checkGrammarForInvalidQuestionMark(node, questionToken, message) {
if (questionToken) {
return grammarErrorOnNode(questionToken, message);
}
}
function checkGrammarObjectLiteralExpression(node, inDestructuring) {
var seen = ts.createMap();
var Property = 1;
var GetAccessor = 2;
var SetAccessor = 4;
var GetOrSetAccessor = GetAccessor | SetAccessor;
var _loop_2 = function(prop) {
var name_21 = prop.name;
if (prop.kind === 193 ||
name_21.kind === 140) {
checkGrammarComputedPropertyName(name_21);
}
if (prop.kind === 254 && !inDestructuring && prop.objectAssignmentInitializer) {
return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) };
}
ts.forEach(prop.modifiers, function (mod) {
if (mod.kind !== 118 || prop.kind !== 147) {
grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod));
}
});
var currentKind = void 0;
if (prop.kind === 253 || prop.kind === 254) {
checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional);
if (name_21.kind === 8) {
checkGrammarNumericLiteral(name_21);
}
currentKind = Property;
}
else if (prop.kind === 147) {
currentKind = Property;
}
else if (prop.kind === 149) {
currentKind = GetAccessor;
}
else if (prop.kind === 150) {
currentKind = SetAccessor;
}
else {
ts.Debug.fail("Unexpected syntax kind:" + prop.kind);
}
var effectiveName = ts.getPropertyNameForPropertyNameNode(name_21);
if (effectiveName === undefined) {
return "continue";
}
if (!seen[effectiveName]) {
seen[effectiveName] = currentKind;
}
else {
var existingKind = seen[effectiveName];
if (currentKind === Property && existingKind === Property) {
grammarErrorOnNode(name_21, ts.Diagnostics.Duplicate_identifier_0, ts.getTextOfNode(name_21));
}
else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) {
if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) {
seen[effectiveName] = currentKind | existingKind;
}
else {
return { value: grammarErrorOnNode(name_21, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) };
}
}
else {
return { value: grammarErrorOnNode(name_21, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) };
}
}
};
for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
var prop = _a[_i];
var state_3 = _loop_2(prop);
if (typeof state_3 === "object") return state_3.value;
}
}
function checkGrammarJsxElement(node) {
var seen = ts.createMap();
for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) {
var attr = _a[_i];
if (attr.kind === 247) {
continue;
}
var jsxAttr = attr;
var name_22 = jsxAttr.name;
if (!seen[name_22.text]) {
seen[name_22.text] = true;
}
else {
return grammarErrorOnNode(name_22, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name);
}
var initializer = jsxAttr.initializer;
if (initializer && initializer.kind === 248 && !initializer.expression) {
return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression);
}
}
}
function checkGrammarForInOrForOfStatement(forInOrOfStatement) {
if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) {
return true;
}
if (forInOrOfStatement.initializer.kind === 219) {
var variableList = forInOrOfStatement.initializer;
if (!checkGrammarVariableDeclarationList(variableList)) {
var declarations = variableList.declarations;
if (!declarations.length) {
return false;
}
if (declarations.length > 1) {
var diagnostic = forInOrOfStatement.kind === 207
? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement
: ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement;
return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic);
}
var firstDeclaration = declarations[0];
if (firstDeclaration.initializer) {
var diagnostic = forInOrOfStatement.kind === 207
? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer
: ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer;
return grammarErrorOnNode(firstDeclaration.name, diagnostic);
}
if (firstDeclaration.type) {
var diagnostic = forInOrOfStatement.kind === 207
? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation
: ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation;
return grammarErrorOnNode(firstDeclaration, diagnostic);
}
}
}
return false;
}
function checkGrammarAccessor(accessor) {
var kind = accessor.kind;
if (languageVersion < 1) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher);
}
else if (ts.isInAmbientContext(accessor)) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context);
}
else if (accessor.body === undefined && !(accessor.flags & 128)) {
return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{");
}
else if (accessor.typeParameters) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters);
}
else if (!doesAccessorHaveCorrectParameterCount(accessor)) {
return grammarErrorOnNode(accessor.name, kind === 149 ?
ts.Diagnostics.A_get_accessor_cannot_have_parameters :
ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter);
}
else if (kind === 150) {
if (accessor.type) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation);
}
else {
var parameter = accessor.parameters[0];
if (parameter.dotDotDotToken) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter);
}
else if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter);
}
else if (parameter.initializer) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer);
}
}
}
}
function doesAccessorHaveCorrectParameterCount(accessor) {
return getAccessorThisParameter(accessor) || accessor.parameters.length === (accessor.kind === 149 ? 0 : 1);
}
function getAccessorThisParameter(accessor) {
if (accessor.parameters.length === (accessor.kind === 149 ? 1 : 2) &&
accessor.parameters[0].name.kind === 69 &&
accessor.parameters[0].name.originalKeywordKind === 97) {
return accessor.parameters[0];
}
}
function getFunctionLikeThisParameter(func) {
if (func.parameters.length &&
func.parameters[0].name.kind === 69 &&
func.parameters[0].name.originalKeywordKind === 97) {
return func.parameters[0];
}
}
function checkGrammarForNonSymbolComputedProperty(node, message) {
if (ts.isDynamicName(node)) {
return grammarErrorOnNode(node, message);
}
}
function checkGrammarMethod(node) {
if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) ||
checkGrammarFunctionLikeDeclaration(node) ||
checkGrammarForGenerator(node)) {
return true;
}
if (node.parent.kind === 171) {
if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional)) {
return true;
}
else if (node.body === undefined) {
return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{");
}
}
if (ts.isClassLike(node.parent)) {
if (ts.isInAmbientContext(node)) {
return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol);
}
else if (!node.body) {
return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol);
}
}
else if (node.parent.kind === 222) {
return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol);
}
else if (node.parent.kind === 159) {
return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol);
}
}
function checkGrammarBreakOrContinueStatement(node) {
var current = node;
while (current) {
if (ts.isFunctionLike(current)) {
return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary);
}
switch (current.kind) {
case 214:
if (node.label && current.label.text === node.label.text) {
var isMisplacedContinueLabel = node.kind === 209
&& !ts.isIterationStatement(current.statement, true);
if (isMisplacedContinueLabel) {
return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement);
}
return false;
}
break;
case 213:
if (node.kind === 210 && !node.label) {
return false;
}
break;
default:
if (ts.isIterationStatement(current, false) && !node.label) {
return false;
}
break;
}
current = current.parent;
}
if (node.label) {
var message = node.kind === 210
? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement
: ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement;
return grammarErrorOnNode(node, message);
}
else {
var message = node.kind === 210
? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement
: ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement;
return grammarErrorOnNode(node, message);
}
}
function checkGrammarBindingElement(node) {
if (node.dotDotDotToken) {
var elements = node.parent.elements;
if (node !== ts.lastOrUndefined(elements)) {
return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern);
}
if (node.name.kind === 168 || node.name.kind === 167) {
return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern);
}
if (node.initializer) {
return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer);
}
}
}
function checkGrammarVariableDeclaration(node) {
if (node.parent.parent.kind !== 207 && node.parent.parent.kind !== 208) {
if (ts.isInAmbientContext(node)) {
if (node.initializer) {
var equalsTokenLength = "=".length;
return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts);
}
}
else if (!node.initializer) {
if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) {
return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer);
}
if (ts.isConst(node)) {
return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized);
}
}
}
var checkLetConstNames = (ts.isLet(node) || ts.isConst(node));
return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name);
}
function checkGrammarNameInLetOrConstDeclarations(name) {
if (name.kind === 69) {
if (name.originalKeywordKind === 108) {
return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations);
}
}
else {
var elements = name.elements;
for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) {
var element = elements_2[_i];
if (element.kind !== 193) {
checkGrammarNameInLetOrConstDeclarations(element.name);
}
}
}
}
function checkGrammarVariableDeclarationList(declarationList) {
var declarations = declarationList.declarations;
if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) {
return true;
}
if (!declarationList.declarations.length) {
return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty);
}
}
function allowLetAndConstDeclarations(parent) {
switch (parent.kind) {
case 203:
case 204:
case 205:
case 212:
case 206:
case 207:
case 208:
return false;
case 214:
return allowLetAndConstDeclarations(parent.parent);
}
return true;
}
function checkGrammarForDisallowedLetOrConstStatement(node) {
if (!allowLetAndConstDeclarations(node.parent)) {
if (ts.isLet(node.declarationList)) {
return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block);
}
else if (ts.isConst(node.declarationList)) {
return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block);
}
}
}
function hasParseDiagnostics(sourceFile) {
return sourceFile.parseDiagnostics.length > 0;
}
function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) {
var sourceFile = ts.getSourceFileOfNode(node);
if (!hasParseDiagnostics(sourceFile)) {
var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2));
return true;
}
}
function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) {
if (!hasParseDiagnostics(sourceFile)) {
diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2));
return true;
}
}
function grammarErrorOnNode(node, message, arg0, arg1, arg2) {
var sourceFile = ts.getSourceFileOfNode(node);
if (!hasParseDiagnostics(sourceFile)) {
diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2));
return true;
}
}
function checkGrammarConstructorTypeParameters(node) {
if (node.typeParameters) {
return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration);
}
}
function checkGrammarConstructorTypeAnnotation(node) {
if (node.type) {
return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration);
}
}
function checkGrammarProperty(node) {
if (ts.isClassLike(node.parent)) {
if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) {
return true;
}
}
else if (node.parent.kind === 222) {
if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) {
return true;
}
if (node.initializer) {
return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer);
}
}
else if (node.parent.kind === 159) {
if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) {
return true;
}
if (node.initializer) {
return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer);
}
}
if (ts.isInAmbientContext(node) && node.initializer) {
return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts);
}
}
function checkGrammarTopLevelElementForRequiredDeclareModifier(node) {
if (node.kind === 222 ||
node.kind === 223 ||
node.kind === 230 ||
node.kind === 229 ||
node.kind === 236 ||
node.kind === 235 ||
node.kind === 228 ||
(node.flags & 2) ||
(node.flags & (1 | 512))) {
return false;
}
return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file);
}
function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) {
for (var _i = 0, _a = file.statements; _i < _a.length; _i++) {
var decl = _a[_i];
if (ts.isDeclaration(decl) || decl.kind === 200) {
if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) {
return true;
}
}
}
}
function checkGrammarSourceFile(node) {
return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node);
}
function checkGrammarStatementInAmbientContext(node) {
if (ts.isInAmbientContext(node)) {
if (isAccessor(node.parent.kind)) {
return getNodeLinks(node).hasReportedStatementInAmbientContext = true;
}
var links = getNodeLinks(node);
if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) {
return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts);
}
if (node.parent.kind === 199 || node.parent.kind === 226 || node.parent.kind === 256) {
var links_1 = getNodeLinks(node.parent);
if (!links_1.hasReportedStatementInAmbientContext) {
return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts);
}
}
else {
}
}
}
function checkGrammarNumericLiteral(node) {
if (node.isOctalLiteral && languageVersion >= 1) {
return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher);
}
}
function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) {
var sourceFile = ts.getSourceFileOfNode(node);
if (!hasParseDiagnostics(sourceFile)) {
var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos);
diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), 0, message, arg0, arg1, arg2));
return true;
}
}
function getAmbientModules() {
var result = [];
for (var sym in globals) {
if (ambientModuleSymbolRegex.test(sym)) {
result.push(globals[sym]);
}
}
return result;
}
}
ts.createTypeChecker = createTypeChecker;
})(ts || (ts = {}));
var ts;
(function (ts) {
var nullSourceMapWriter;
var defaultLastEncodedSourceMapSpan = {
emittedLine: 1,
emittedColumn: 1,
sourceLine: 1,
sourceColumn: 1,
sourceIndex: 0
};
function getNullSourceMapWriter() {
if (nullSourceMapWriter === undefined) {
nullSourceMapWriter = {
getSourceMapData: function () { return undefined; },
setSourceFile: function (sourceFile) { },
emitStart: function (range) { },
emitEnd: function (range, stopOverridingSpan) { },
emitPos: function (pos) { },
changeEmitSourcePos: function () { },
getText: function () { return undefined; },
getSourceMappingURL: function () { return undefined; },
initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { },
reset: function () { }
};
}
return nullSourceMapWriter;
}
ts.getNullSourceMapWriter = getNullSourceMapWriter;
function createSourceMapWriter(host, writer) {
var compilerOptions = host.getCompilerOptions();
var extendedDiagnostics = compilerOptions.extendedDiagnostics;
var currentSourceFile;
var sourceMapDir;
var stopOverridingSpan = false;
var modifyLastSourcePos = false;
var sourceMapSourceIndex;
var lastRecordedSourceMapSpan;
var lastEncodedSourceMapSpan;
var lastEncodedNameIndex;
var sourceMapData;
return {
getSourceMapData: function () { return sourceMapData; },
setSourceFile: setSourceFile,
emitPos: emitPos,
emitStart: emitStart,
emitEnd: emitEnd,
changeEmitSourcePos: changeEmitSourcePos,
getText: getText,
getSourceMappingURL: getSourceMappingURL,
initialize: initialize,
reset: reset
};
function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) {
if (sourceMapData) {
reset();
}
currentSourceFile = undefined;
sourceMapSourceIndex = -1;
lastRecordedSourceMapSpan = undefined;
lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan;
lastEncodedNameIndex = 0;
sourceMapData = {
sourceMapFilePath: sourceMapFilePath,
jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined,
sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)),
sourceMapSourceRoot: compilerOptions.sourceRoot || "",
sourceMapSources: [],
inputSourceFileNames: [],
sourceMapNames: [],
sourceMapMappings: "",
sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined,
sourceMapDecodedMappings: []
};
sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot);
if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) {
sourceMapData.sourceMapSourceRoot += ts.directorySeparator;
}
if (compilerOptions.mapRoot) {
sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot);
if (!isBundledEmit) {
ts.Debug.assert(sourceFiles.length === 1);
sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir));
}
if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) {
sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir);
sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true);
}
else {
sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL);
}
}
else {
sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath));
}
}
function reset() {
currentSourceFile = undefined;
sourceMapDir = undefined;
sourceMapSourceIndex = undefined;
lastRecordedSourceMapSpan = undefined;
lastEncodedSourceMapSpan = undefined;
lastEncodedNameIndex = undefined;
sourceMapData = undefined;
}
function updateLastEncodedAndRecordedSpans() {
if (modifyLastSourcePos) {
modifyLastSourcePos = false;
lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine;
lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn;
sourceMapData.sourceMapDecodedMappings.pop();
lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ?
sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] :
defaultLastEncodedSourceMapSpan;
var sourceMapMappings = sourceMapData.sourceMapMappings;
var lenthToSet = sourceMapMappings.length - 1;
for (; lenthToSet >= 0; lenthToSet--) {
var currentChar = sourceMapMappings.charAt(lenthToSet);
if (currentChar === ",") {
break;
}
if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") {
break;
}
}
sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet));
}
}
function encodeLastRecordedSourceMapSpan() {
if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) {
return;
}
var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn;
if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) {
if (sourceMapData.sourceMapMappings) {
sourceMapData.sourceMapMappings += ",";
}
}
else {
for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) {
sourceMapData.sourceMapMappings += ";";
}
prevEncodedEmittedColumn = 1;
}
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn);
if (lastRecordedSourceMapSpan.nameIndex >= 0) {
ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this");
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex);
lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex;
}
lastEncodedSourceMapSpan = lastRecordedSourceMapSpan;
sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan);
}
function emitPos(pos) {
if (pos === -1) {
return;
}
if (extendedDiagnostics) {
ts.performance.mark("beforeSourcemap");
}
var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos);
sourceLinePos.line++;
sourceLinePos.character++;
var emittedLine = writer.getLine();
var emittedColumn = writer.getColumn();
if (!lastRecordedSourceMapSpan ||
lastRecordedSourceMapSpan.emittedLine !== emittedLine ||
lastRecordedSourceMapSpan.emittedColumn !== emittedColumn ||
(lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex &&
(lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line ||
(lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) {
encodeLastRecordedSourceMapSpan();
lastRecordedSourceMapSpan = {
emittedLine: emittedLine,
emittedColumn: emittedColumn,
sourceLine: sourceLinePos.line,
sourceColumn: sourceLinePos.character,
sourceIndex: sourceMapSourceIndex
};
stopOverridingSpan = false;
}
else if (!stopOverridingSpan) {
lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line;
lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character;
lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex;
}
updateLastEncodedAndRecordedSpans();
if (extendedDiagnostics) {
ts.performance.mark("afterSourcemap");
ts.performance.measure("Source Map", "beforeSourcemap", "afterSourcemap");
}
}
function getStartPos(range) {
var rangeHasDecorators = !!range.decorators;
return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1;
}
function emitStart(range) {
emitPos(getStartPos(range));
}
function emitEnd(range, stopOverridingEnd) {
emitPos(range.end);
stopOverridingSpan = stopOverridingEnd;
}
function changeEmitSourcePos() {
ts.Debug.assert(!modifyLastSourcePos);
modifyLastSourcePos = true;
}
function setSourceFile(sourceFile) {
currentSourceFile = sourceFile;
var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir;
var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true);
sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source);
if (sourceMapSourceIndex === -1) {
sourceMapSourceIndex = sourceMapData.sourceMapSources.length;
sourceMapData.sourceMapSources.push(source);
sourceMapData.inputSourceFileNames.push(sourceFile.fileName);
if (compilerOptions.inlineSources) {
sourceMapData.sourceMapSourcesContent.push(sourceFile.text);
}
}
}
function getText() {
encodeLastRecordedSourceMapSpan();
return ts.stringify({
version: 3,
file: sourceMapData.sourceMapFile,
sourceRoot: sourceMapData.sourceMapSourceRoot,
sources: sourceMapData.sourceMapSources,
names: sourceMapData.sourceMapNames,
mappings: sourceMapData.sourceMapMappings,
sourcesContent: sourceMapData.sourceMapSourcesContent
});
}
function getSourceMappingURL() {
if (compilerOptions.inlineSourceMap) {
var base64SourceMapText = ts.convertToBase64(getText());
return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText;
}
else {
return sourceMapData.jsSourceMappingURL;
}
}
}
ts.createSourceMapWriter = createSourceMapWriter;
var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
function base64FormatEncode(inValue) {
if (inValue < 64) {
return base64Chars.charAt(inValue);
}
throw TypeError(inValue + ": not a 64 based value");
}
function base64VLQFormatEncode(inValue) {
if (inValue < 0) {
inValue = ((-inValue) << 1) + 1;
}
else {
inValue = inValue << 1;
}
var encodedStr = "";
do {
var currentDigit = inValue & 31;
inValue = inValue >> 5;
if (inValue > 0) {
currentDigit = currentDigit | 32;
}
encodedStr = encodedStr + base64FormatEncode(currentDigit);
} while (inValue > 0);
return encodedStr;
}
})(ts || (ts = {}));
var ts;
(function (ts) {
function getDeclarationDiagnostics(host, resolver, targetSourceFile) {
var declarationDiagnostics = ts.createDiagnosticCollection();
ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile);
return declarationDiagnostics.getDiagnostics(targetSourceFile ? targetSourceFile.fileName : undefined);
function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) {
var declarationFilePath = _a.declarationFilePath;
emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit, false);
}
}
ts.getDeclarationDiagnostics = getDeclarationDiagnostics;
function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles) {
var newLine = host.getNewLine();
var compilerOptions = host.getCompilerOptions();
var write;
var writeLine;
var increaseIndent;
var decreaseIndent;
var writeTextOfNode;
var writer;
createAndSetNewTextWriterWithSymbolWriter();
var enclosingDeclaration;
var resultHasExternalModuleIndicator;
var currentText;
var currentLineMap;
var currentIdentifiers;
var isCurrentFileExternalModule;
var reportedDeclarationError = false;
var errorNameNode;
var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments;
var emit = compilerOptions.stripInternal ? stripInternal : emitNode;
var noDeclare;
var moduleElementDeclarationEmitInfo = [];
var asynchronousSubModuleDeclarationEmitInfo;
var referencesOutput = "";
var usedTypeDirectiveReferences;
var emittedReferencedFiles = [];
var addedGlobalFileReference = false;
var allSourcesModuleElementDeclarationEmitInfo = [];
ts.forEach(sourceFiles, function (sourceFile) {
if (ts.isSourceFileJavaScript(sourceFile)) {
return;
}
if (!compilerOptions.noResolve) {
ts.forEach(sourceFile.referencedFiles, function (fileReference) {
var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference);
if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) {
if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference, emitOnlyDtsFiles)) {
addedGlobalFileReference = true;
}
emittedReferencedFiles.push(referencedFile);
}
});
}
resultHasExternalModuleIndicator = false;
if (!isBundledEmit || !ts.isExternalModule(sourceFile)) {
noDeclare = false;
emitSourceFile(sourceFile);
}
else if (ts.isExternalModule(sourceFile)) {
noDeclare = true;
write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {");
writeLine();
increaseIndent();
emitSourceFile(sourceFile);
decreaseIndent();
write("}");
writeLine();
}
if (moduleElementDeclarationEmitInfo.length) {
var oldWriter = writer;
ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) {
if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) {
ts.Debug.assert(aliasEmitInfo.node.kind === 230);
createAndSetNewTextWriterWithSymbolWriter();
ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit));
for (var i = 0; i < aliasEmitInfo.indent; i++) {
increaseIndent();
}
writeImportDeclaration(aliasEmitInfo.node);
aliasEmitInfo.asynchronousOutput = writer.getText();
for (var i = 0; i < aliasEmitInfo.indent; i++) {
decreaseIndent();
}
}
});
setWriter(oldWriter);
allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo);
moduleElementDeclarationEmitInfo = [];
}
if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) {
write("export {};");
writeLine();
}
});
if (usedTypeDirectiveReferences) {
for (var directive in usedTypeDirectiveReferences) {
referencesOutput += "/// <reference types=\"" + directive + "\" />" + newLine;
}
}
return {
reportedDeclarationError: reportedDeclarationError,
moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo,
synchronousDeclarationOutput: writer.getText(),
referencesOutput: referencesOutput
};
function hasInternalAnnotation(range) {
var comment = currentText.substring(range.pos, range.end);
return comment.indexOf("@internal") >= 0;
}
function stripInternal(node) {
if (node) {
var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos);
if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) {
return;
}
emitNode(node);
}
}
function createAndSetNewTextWriterWithSymbolWriter() {
var writer = ts.createTextWriter(newLine);
writer.trackSymbol = trackSymbol;
writer.reportInaccessibleThisError = reportInaccessibleThisError;
writer.writeKeyword = writer.write;
writer.writeOperator = writer.write;
writer.writePunctuation = writer.write;
writer.writeSpace = writer.write;
writer.writeStringLiteral = writer.writeLiteral;
writer.writeParameter = writer.write;
writer.writeSymbol = writer.write;
setWriter(writer);
}
function setWriter(newWriter) {
writer = newWriter;
write = newWriter.write;
writeTextOfNode = newWriter.writeTextOfNode;
writeLine = newWriter.writeLine;
increaseIndent = newWriter.increaseIndent;
decreaseIndent = newWriter.decreaseIndent;
}
function writeAsynchronousModuleElements(nodes) {
var oldWriter = writer;
ts.forEach(nodes, function (declaration) {
var nodeToCheck;
if (declaration.kind === 218) {
nodeToCheck = declaration.parent.parent;
}
else if (declaration.kind === 233 || declaration.kind === 234 || declaration.kind === 231) {
ts.Debug.fail("We should be getting ImportDeclaration instead to write");
}
else {
nodeToCheck = declaration;
}
var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; });
if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) {
moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; });
}
if (moduleElementEmitInfo) {
if (moduleElementEmitInfo.node.kind === 230) {
moduleElementEmitInfo.isVisible = true;
}
else {
createAndSetNewTextWriterWithSymbolWriter();
for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) {
increaseIndent();
}
if (nodeToCheck.kind === 225) {
ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined);
asynchronousSubModuleDeclarationEmitInfo = [];
}
writeModuleElement(nodeToCheck);
if (nodeToCheck.kind === 225) {
moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo;
asynchronousSubModuleDeclarationEmitInfo = undefined;
}
moduleElementEmitInfo.asynchronousOutput = writer.getText();
}
}
});
setWriter(oldWriter);
}
function recordTypeReferenceDirectivesIfNecessary(typeReferenceDirectives) {
if (!typeReferenceDirectives) {
return;
}
if (!usedTypeDirectiveReferences) {
usedTypeDirectiveReferences = ts.createMap();
}
for (var _i = 0, typeReferenceDirectives_1 = typeReferenceDirectives; _i < typeReferenceDirectives_1.length; _i++) {
var directive = typeReferenceDirectives_1[_i];
if (!(directive in usedTypeDirectiveReferences)) {
usedTypeDirectiveReferences[directive] = directive;
}
}
}
function handleSymbolAccessibilityError(symbolAccessibilityResult) {
if (symbolAccessibilityResult.accessibility === 0) {
if (symbolAccessibilityResult && symbolAccessibilityResult.aliasesToMakeVisible) {
writeAsynchronousModuleElements(symbolAccessibilityResult.aliasesToMakeVisible);
}
}
else {
reportedDeclarationError = true;
var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccessibilityResult);
if (errorInfo) {
if (errorInfo.typeName) {
emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName));
}
else {
emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccessibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccessibilityResult.errorSymbolName, symbolAccessibilityResult.errorModuleName));
}
}
}
}
function trackSymbol(symbol, enclosingDeclaration, meaning) {
handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning, true));
recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForSymbol(symbol, meaning));
}
function reportInaccessibleThisError() {
if (errorNameNode) {
reportedDeclarationError = true;
emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode)));
}
}
function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
write(": ");
if (type) {
emitType(type);
}
else {
errorNameNode = declaration.name;
resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2, writer);
errorNameNode = undefined;
}
}
function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
write(": ");
if (signature.type) {
emitType(signature.type);
}
else {
errorNameNode = signature.name;
resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2, writer);
errorNameNode = undefined;
}
}
function emitLines(nodes) {
for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) {
var node = nodes_2[_i];
emit(node);
}
}
function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) {
var currentWriterPos = writer.getTextPos();
for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) {
var node = nodes_3[_i];
if (!canEmitFn || canEmitFn(node)) {
if (currentWriterPos !== writer.getTextPos()) {
write(separator);
}
currentWriterPos = writer.getTextPos();
eachNodeEmitFn(node);
}
}
}
function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) {
emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn);
}
function writeJsDocComments(declaration) {
if (declaration) {
var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText);
ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments);
ts.emitComments(currentText, currentLineMap, writer, jsDocComments, true, newLine, ts.writeCommentRange);
}
}
function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
emitType(type);
}
function emitType(type) {
switch (type.kind) {
case 117:
case 132:
case 130:
case 120:
case 133:
case 103:
case 135:
case 93:
case 127:
case 165:
case 166:
return writeTextOfNode(currentText, type);
case 194:
return emitExpressionWithTypeArguments(type);
case 155:
return emitTypeReference(type);
case 158:
return emitTypeQuery(type);
case 160:
return emitArrayType(type);
case 161:
return emitTupleType(type);
case 162:
return emitUnionType(type);
case 163:
return emitIntersectionType(type);
case 164:
return emitParenType(type);
case 156:
case 157:
return emitSignatureDeclarationWithJsDocComments(type);
case 159:
return emitTypeLiteral(type);
case 69:
return emitEntityName(type);
case 139:
return emitEntityName(type);
case 154:
return emitTypePredicate(type);
}
function writeEntityName(entityName) {
if (entityName.kind === 69) {
writeTextOfNode(currentText, entityName);
}
else {
var left = entityName.kind === 139 ? entityName.left : entityName.expression;
var right = entityName.kind === 139 ? entityName.right : entityName.name;
writeEntityName(left);
write(".");
writeTextOfNode(currentText, right);
}
}
function emitEntityName(entityName) {
var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 229 ? entityName.parent : enclosingDeclaration);
handleSymbolAccessibilityError(visibilityResult);
recordTypeReferenceDirectivesIfNecessary(resolver.getTypeReferenceDirectivesForEntityName(entityName));
writeEntityName(entityName);
}
function emitExpressionWithTypeArguments(node) {
if (ts.isEntityNameExpression(node.expression)) {
ts.Debug.assert(node.expression.kind === 69 || node.expression.kind === 172);
emitEntityName(node.expression);
if (node.typeArguments) {
write("<");
emitCommaList(node.typeArguments, emitType);
write(">");
}
}
}
function emitTypeReference(type) {
emitEntityName(type.typeName);
if (type.typeArguments) {
write("<");
emitCommaList(type.typeArguments, emitType);
write(">");
}
}
function emitTypePredicate(type) {
writeTextOfNode(currentText, type.parameterName);
write(" is ");
emitType(type.type);
}
function emitTypeQuery(type) {
write("typeof ");
emitEntityName(type.exprName);
}
function emitArrayType(type) {
emitType(type.elementType);
write("[]");
}
function emitTupleType(type) {
write("[");
emitCommaList(type.elementTypes, emitType);
write("]");
}
function emitUnionType(type) {
emitSeparatedList(type.types, " | ", emitType);
}
function emitIntersectionType(type) {
emitSeparatedList(type.types, " & ", emitType);
}
function emitParenType(type) {
write("(");
emitType(type.type);
write(")");
}
function emitTypeLiteral(type) {
write("{");
if (type.members.length) {
writeLine();
increaseIndent();
emitLines(type.members);
decreaseIndent();
}
write("}");
}
}
function emitSourceFile(node) {
currentText = node.text;
currentLineMap = ts.getLineStarts(node);
currentIdentifiers = node.identifiers;
isCurrentFileExternalModule = ts.isExternalModule(node);
enclosingDeclaration = node;
ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true);
emitLines(node.statements);
}
function getExportDefaultTempVariableName() {
var baseName = "_default";
if (!(baseName in currentIdentifiers)) {
return baseName;
}
var count = 0;
while (true) {
count++;
var name_23 = baseName + "_" + count;
if (!(name_23 in currentIdentifiers)) {
return name_23;
}
}
}
function emitExportAssignment(node) {
if (node.expression.kind === 69) {
write(node.isExportEquals ? "export = " : "export default ");
writeTextOfNode(currentText, node.expression);
}
else {
var tempVarName = getExportDefaultTempVariableName();
if (!noDeclare) {
write("declare ");
}
write("var ");
write(tempVarName);
write(": ");
writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic;
resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2, writer);
write(";");
writeLine();
write(node.isExportEquals ? "export = " : "export default ");
write(tempVarName);
}
write(";");
writeLine();
if (node.expression.kind === 69) {
var nodes = resolver.collectLinkedAliases(node.expression);
writeAsynchronousModuleElements(nodes);
}
function getDefaultExportAccessibilityDiagnostic(diagnostic) {
return {
diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0,
errorNode: node
};
}
}
function isModuleElementVisible(node) {
return resolver.isDeclarationVisible(node);
}
function emitModuleElement(node, isModuleElementVisible) {
if (isModuleElementVisible) {
writeModuleElement(node);
}
else if (node.kind === 229 ||
(node.parent.kind === 256 && isCurrentFileExternalModule)) {
var isVisible = void 0;
if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 256) {
asynchronousSubModuleDeclarationEmitInfo.push({
node: node,
outputPos: writer.getTextPos(),
indent: writer.getIndent(),
isVisible: isVisible
});
}
else {
if (node.kind === 230) {
var importDeclaration = node;
if (importDeclaration.importClause) {
isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) ||
isVisibleNamedBinding(importDeclaration.importClause.namedBindings);
}
}
moduleElementDeclarationEmitInfo.push({
node: node,
outputPos: writer.getTextPos(),
indent: writer.getIndent(),
isVisible: isVisible
});
}
}
}
function writeModuleElement(node) {
switch (node.kind) {
case 220:
return writeFunctionDeclaration(node);
case 200:
return writeVariableStatement(node);
case 222:
return writeInterfaceDeclaration(node);
case 221:
return writeClassDeclaration(node);
case 223:
return writeTypeAliasDeclaration(node);
case 224:
return writeEnumDeclaration(node);
case 225:
return writeModuleDeclaration(node);
case 229:
return writeImportEqualsDeclaration(node);
case 230:
return writeImportDeclaration(node);
default:
ts.Debug.fail("Unknown symbol kind");
}
}
function emitModuleElementDeclarationFlags(node) {
if (node.parent.kind === 256) {
if (node.flags & 1) {
write("export ");
}
if (node.flags & 512) {
write("default ");
}
else if (node.kind !== 222 && !noDeclare) {
write("declare ");
}
}
}
function emitClassMemberDeclarationFlags(flags) {
if (flags & 8) {
write("private ");
}
else if (flags & 16) {
write("protected ");
}
if (flags & 32) {
write("static ");
}
if (flags & 64) {
write("readonly ");
}
if (flags & 128) {
write("abstract ");
}
}
function writeImportEqualsDeclaration(node) {
emitJsDocComments(node);
if (node.flags & 1) {
write("export ");
}
write("import ");
writeTextOfNode(currentText, node.name);
write(" = ");
if (ts.isInternalModuleImportEqualsDeclaration(node)) {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError);
write(";");
}
else {
write("require(");
emitExternalModuleSpecifier(node);
write(");");
}
writer.writeLine();
function getImportEntityNameVisibilityError(symbolAccessibilityResult) {
return {
diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1,
errorNode: node,
typeName: node.name
};
}
}
function isVisibleNamedBinding(namedBindings) {
if (namedBindings) {
if (namedBindings.kind === 232) {
return resolver.isDeclarationVisible(namedBindings);
}
else {
return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); });
}
}
}
function writeImportDeclaration(node) {
emitJsDocComments(node);
if (node.flags & 1) {
write("export ");
}
write("import ");
if (node.importClause) {
var currentWriterPos = writer.getTextPos();
if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) {
writeTextOfNode(currentText, node.importClause.name);
}
if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) {
if (currentWriterPos !== writer.getTextPos()) {
write(", ");
}
if (node.importClause.namedBindings.kind === 232) {
write("* as ");
writeTextOfNode(currentText, node.importClause.namedBindings.name);
}
else {
write("{ ");
emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible);
write(" }");
}
}
write(" from ");
}
emitExternalModuleSpecifier(node);
write(";");
writer.writeLine();
}
function emitExternalModuleSpecifier(parent) {
resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 225;
var moduleSpecifier;
if (parent.kind === 229) {
var node = parent;
moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node);
}
else if (parent.kind === 225) {
moduleSpecifier = parent.name;
}
else {
var node = parent;
moduleSpecifier = node.moduleSpecifier;
}
if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) {
var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent);
if (moduleName) {
write('"');
write(moduleName);
write('"');
return;
}
}
writeTextOfNode(currentText, moduleSpecifier);
}
function emitImportOrExportSpecifier(node) {
if (node.propertyName) {
writeTextOfNode(currentText, node.propertyName);
write(" as ");
}
writeTextOfNode(currentText, node.name);
}
function emitExportSpecifier(node) {
emitImportOrExportSpecifier(node);
var nodes = resolver.collectLinkedAliases(node.propertyName || node.name);
writeAsynchronousModuleElements(nodes);
}
function emitExportDeclaration(node) {
emitJsDocComments(node);
write("export ");
if (node.exportClause) {
write("{ ");
emitCommaList(node.exportClause.elements, emitExportSpecifier);
write(" }");
}
else {
write("*");
}
if (node.moduleSpecifier) {
write(" from ");
emitExternalModuleSpecifier(node);
}
write(";");
writer.writeLine();
}
function writeModuleDeclaration(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
if (ts.isGlobalScopeAugmentation(node)) {
write("global ");
}
else {
if (node.flags & 4096) {
write("namespace ");
}
else {
write("module ");
}
if (ts.isExternalModuleAugmentation(node)) {
emitExternalModuleSpecifier(node);
}
else {
writeTextOfNode(currentText, node.name);
}
}
while (node.body && node.body.kind !== 226) {
node = node.body;
write(".");
writeTextOfNode(currentText, node.name);
}
var prevEnclosingDeclaration = enclosingDeclaration;
if (node.body) {
enclosingDeclaration = node;
write(" {");
writeLine();
increaseIndent();
emitLines(node.body.statements);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
else {
write(";");
}
}
function writeTypeAliasDeclaration(node) {
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("type ");
writeTextOfNode(currentText, node.name);
emitTypeParameters(node.typeParameters);
write(" = ");
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError);
write(";");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
function getTypeAliasDeclarationVisibilityError(symbolAccessibilityResult) {
return {
diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1,
errorNode: node.type,
typeName: node.name
};
}
}
function writeEnumDeclaration(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
if (ts.isConst(node)) {
write("const ");
}
write("enum ");
writeTextOfNode(currentText, node.name);
write(" {");
writeLine();
increaseIndent();
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
}
function emitEnumMemberDeclaration(node) {
emitJsDocComments(node);
writeTextOfNode(currentText, node.name);
var enumMemberValue = resolver.getConstantValue(node);
if (enumMemberValue !== undefined) {
write(" = ");
write(enumMemberValue.toString());
}
write(",");
writeLine();
}
function isPrivateMethodTypeParameter(node) {
return node.parent.kind === 147 && (node.parent.flags & 8);
}
function emitTypeParameters(typeParameters) {
function emitTypeParameter(node) {
increaseIndent();
emitJsDocComments(node);
decreaseIndent();
writeTextOfNode(currentText, node.name);
if (node.constraint && !isPrivateMethodTypeParameter(node)) {
write(" extends ");
if (node.parent.kind === 156 ||
node.parent.kind === 157 ||
(node.parent.parent && node.parent.parent.kind === 159)) {
ts.Debug.assert(node.parent.kind === 147 ||
node.parent.kind === 146 ||
node.parent.kind === 156 ||
node.parent.kind === 157 ||
node.parent.kind === 151 ||
node.parent.kind === 152);
emitType(node.constraint);
}
else {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError);
}
}
function getTypeParameterConstraintVisibilityError(symbolAccessibilityResult) {
var diagnosticMessage;
switch (node.parent.kind) {
case 221:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1;
break;
case 222:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1;
break;
case 152:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1;
break;
case 151:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1;
break;
case 147:
case 146:
if (node.parent.flags & 32) {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.parent.kind === 221) {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1;
}
break;
case 220:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1;
break;
default:
ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind);
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
};
}
}
if (typeParameters) {
write("<");
emitCommaList(typeParameters, emitTypeParameter);
write(">");
}
}
function emitHeritageClause(typeReferences, isImplementsList) {
if (typeReferences) {
write(isImplementsList ? " implements " : " extends ");
emitCommaList(typeReferences, emitTypeOfTypeReference);
}
function emitTypeOfTypeReference(node) {
if (ts.isEntityNameExpression(node.expression)) {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError);
}
else if (!isImplementsList && node.expression.kind === 93) {
write("null");
}
else {
writer.getSymbolAccessibilityDiagnostic = getHeritageClauseVisibilityError;
resolver.writeBaseConstructorTypeOfClass(enclosingDeclaration, enclosingDeclaration, 2, writer);
}
function getHeritageClauseVisibilityError(symbolAccessibilityResult) {
var diagnosticMessage;
if (node.parent.parent.kind === 221) {
diagnosticMessage = isImplementsList ?
ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 :
ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.parent.parent.name
};
}
}
}
function writeClassDeclaration(node) {
function emitParameterProperties(constructorDeclaration) {
if (constructorDeclaration) {
ts.forEach(constructorDeclaration.parameters, function (param) {
if (param.flags & 92) {
emitPropertyDeclaration(param);
}
});
}
}
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
if (node.flags & 128) {
write("abstract ");
}
write("class ");
writeTextOfNode(currentText, node.name);
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitTypeParameters(node.typeParameters);
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node);
if (baseTypeNode) {
emitHeritageClause([baseTypeNode], false);
}
emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true);
write(" {");
writeLine();
increaseIndent();
emitParameterProperties(ts.getFirstConstructorWithBody(node));
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
function writeInterfaceDeclaration(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("interface ");
writeTextOfNode(currentText, node.name);
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitTypeParameters(node.typeParameters);
emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false);
write(" {");
writeLine();
increaseIndent();
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
function emitPropertyDeclaration(node) {
if (ts.hasDynamicName(node)) {
return;
}
emitJsDocComments(node);
emitClassMemberDeclarationFlags(node.flags);
emitVariableDeclaration(node);
write(";");
writeLine();
}
function emitVariableDeclaration(node) {
if (node.kind !== 218 || resolver.isDeclarationVisible(node)) {
if (ts.isBindingPattern(node.name)) {
emitBindingPattern(node.name);
}
else {
writeTextOfNode(currentText, node.name);
if ((node.kind === 145 || node.kind === 144 ||
(node.kind === 142 && !ts.isParameterPropertyDeclaration(node))) && ts.hasQuestionToken(node)) {
write("?");
}
if ((node.kind === 145 || node.kind === 144) && node.parent.kind === 159) {
emitTypeOfVariableDeclarationFromTypeLiteral(node);
}
else if (!(node.flags & 8)) {
writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError);
}
}
}
function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) {
if (node.kind === 218) {
return symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1;
}
else if (node.kind === 145 || node.kind === 144) {
if (node.flags & 32) {
return symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.kind === 221) {
return symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1;
}
else {
return symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1;
}
}
}
function getVariableDeclarationTypeVisibilityError(symbolAccessibilityResult) {
var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult);
return diagnosticMessage !== undefined ? {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
} : undefined;
}
function emitBindingPattern(bindingPattern) {
var elements = [];
for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) {
var element = _a[_i];
if (element.kind !== 193) {
elements.push(element);
}
}
emitCommaList(elements, emitBindingElement);
}
function emitBindingElement(bindingElement) {
function getBindingElementTypeVisibilityError(symbolAccessibilityResult) {
var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult);
return diagnosticMessage !== undefined ? {
diagnosticMessage: diagnosticMessage,
errorNode: bindingElement,
typeName: bindingElement.name
} : undefined;
}
if (bindingElement.name) {
if (ts.isBindingPattern(bindingElement.name)) {
emitBindingPattern(bindingElement.name);
}
else {
writeTextOfNode(currentText, bindingElement.name);
writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError);
}
}
}
}
function emitTypeOfVariableDeclarationFromTypeLiteral(node) {
if (node.type) {
write(": ");
emitType(node.type);
}
}
function isVariableStatementVisible(node) {
return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); });
}
function writeVariableStatement(node) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
if (ts.isLet(node.declarationList)) {
write("let ");
}
else if (ts.isConst(node.declarationList)) {
write("const ");
}
else {
write("var ");
}
emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible);
write(";");
writeLine();
}
function emitAccessorDeclaration(node) {
if (ts.hasDynamicName(node)) {
return;
}
var accessors = ts.getAllAccessorDeclarations(node.parent.members, node);
var accessorWithTypeAnnotation;
if (node === accessors.firstAccessor) {
emitJsDocComments(accessors.getAccessor);
emitJsDocComments(accessors.setAccessor);
emitClassMemberDeclarationFlags(node.flags | (accessors.setAccessor ? 0 : 64));
writeTextOfNode(currentText, node.name);
if (!(node.flags & 8)) {
accessorWithTypeAnnotation = node;
var type = getTypeAnnotationFromAccessor(node);
if (!type) {
var anotherAccessor = node.kind === 149 ? accessors.setAccessor : accessors.getAccessor;
type = getTypeAnnotationFromAccessor(anotherAccessor);
if (type) {
accessorWithTypeAnnotation = anotherAccessor;
}
}
writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError);
}
write(";");
writeLine();
}
function getTypeAnnotationFromAccessor(accessor) {
if (accessor) {
return accessor.kind === 149
? accessor.type
: accessor.parameters.length > 0
? accessor.parameters[0].type
: undefined;
}
}
function getAccessorDeclarationTypeVisibilityError(symbolAccessibilityResult) {
var diagnosticMessage;
if (accessorWithTypeAnnotation.kind === 150) {
if (accessorWithTypeAnnotation.parent.flags & 32) {
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: accessorWithTypeAnnotation.parameters[0],
typeName: accessorWithTypeAnnotation.name
};
}
else {
if (accessorWithTypeAnnotation.flags & 32) {
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named :
ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0;
}
else {
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named :
ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: accessorWithTypeAnnotation.name,
typeName: undefined
};
}
}
}
function writeFunctionDeclaration(node) {
if (ts.hasDynamicName(node)) {
return;
}
if (!resolver.isImplementationOfOverload(node)) {
emitJsDocComments(node);
if (node.kind === 220) {
emitModuleElementDeclarationFlags(node);
}
else if (node.kind === 147 || node.kind === 148) {
emitClassMemberDeclarationFlags(node.flags);
}
if (node.kind === 220) {
write("function ");
writeTextOfNode(currentText, node.name);
}
else if (node.kind === 148) {
write("constructor");
}
else {
writeTextOfNode(currentText, node.name);
if (ts.hasQuestionToken(node)) {
write("?");
}
}
emitSignatureDeclaration(node);
}
}
function emitSignatureDeclarationWithJsDocComments(node) {
emitJsDocComments(node);
emitSignatureDeclaration(node);
}
function emitSignatureDeclaration(node) {
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
var closeParenthesizedFunctionType = false;
if (node.kind === 153) {
emitClassMemberDeclarationFlags(node.flags);
write("[");
}
else {
if (node.kind === 152 || node.kind === 157) {
write("new ");
}
else if (node.kind === 156) {
var currentOutput = writer.getText();
if (node.typeParameters && currentOutput.charAt(currentOutput.length - 1) === "<") {
closeParenthesizedFunctionType = true;
write("(");
}
}
emitTypeParameters(node.typeParameters);
write("(");
}
emitCommaList(node.parameters, emitParameterDeclaration);
if (node.kind === 153) {
write("]");
}
else {
write(")");
}
var isFunctionTypeOrConstructorType = node.kind === 156 || node.kind === 157;
if (isFunctionTypeOrConstructorType || node.parent.kind === 159) {
if (node.type) {
write(isFunctionTypeOrConstructorType ? " => " : ": ");
emitType(node.type);
}
}
else if (node.kind !== 148 && !(node.flags & 8)) {
writeReturnTypeAtSignature(node, getReturnTypeVisibilityError);
}
enclosingDeclaration = prevEnclosingDeclaration;
if (!isFunctionTypeOrConstructorType) {
write(";");
writeLine();
}
else if (closeParenthesizedFunctionType) {
write(")");
}
function getReturnTypeVisibilityError(symbolAccessibilityResult) {
var diagnosticMessage;
switch (node.kind) {
case 152:
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 151:
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 153:
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 147:
case 146:
if (node.flags & 32) {
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named :
ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0;
}
else if (node.parent.kind === 221) {
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named :
ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0;
}
else {
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0;
}
break;
case 220:
diagnosticMessage = symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named :
ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 :
ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0;
break;
default:
ts.Debug.fail("This is unknown kind for signature: " + node.kind);
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node.name || node
};
}
}
function emitParameterDeclaration(node) {
increaseIndent();
emitJsDocComments(node);
if (node.dotDotDotToken) {
write("...");
}
if (ts.isBindingPattern(node.name)) {
emitBindingPattern(node.name);
}
else {
writeTextOfNode(currentText, node.name);
}
if (resolver.isOptionalParameter(node)) {
write("?");
}
decreaseIndent();
if (node.parent.kind === 156 ||
node.parent.kind === 157 ||
node.parent.parent.kind === 159) {
emitTypeOfVariableDeclarationFromTypeLiteral(node);
}
else if (!(node.parent.flags & 8)) {
writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError);
}
function getParameterDeclarationTypeVisibilityError(symbolAccessibilityResult) {
var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult);
return diagnosticMessage !== undefined ? {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
} : undefined;
}
function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccessibilityResult) {
switch (node.parent.kind) {
case 148:
return symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1;
case 152:
return symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1;
case 151:
return symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1;
case 147:
case 146:
if (node.parent.flags & 32) {
return symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.parent.kind === 221) {
return symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1;
}
else {
return symbolAccessibilityResult.errorModuleName ?
ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1;
}
case 220:
return symbolAccessibilityResult.errorModuleName ?
symbolAccessibilityResult.accessibility === 2 ?
ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named :
ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 :
ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1;
default:
ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind);
}
}
function emitBindingPattern(bindingPattern) {
if (bindingPattern.kind === 167) {
write("{");
emitCommaList(bindingPattern.elements, emitBindingElement);
write("}");
}
else if (bindingPattern.kind === 168) {
write("[");
var elements = bindingPattern.elements;
emitCommaList(elements, emitBindingElement);
if (elements && elements.hasTrailingComma) {
write(", ");
}
write("]");
}
}
function emitBindingElement(bindingElement) {
if (bindingElement.kind === 193) {
write(" ");
}
else if (bindingElement.kind === 169) {
if (bindingElement.propertyName) {
writeTextOfNode(currentText, bindingElement.propertyName);
write(": ");
}
if (bindingElement.name) {
if (ts.isBindingPattern(bindingElement.name)) {
emitBindingPattern(bindingElement.name);
}
else {
ts.Debug.assert(bindingElement.name.kind === 69);
if (bindingElement.dotDotDotToken) {
write("...");
}
writeTextOfNode(currentText, bindingElement.name);
}
}
}
}
}
function emitNode(node) {
switch (node.kind) {
case 220:
case 225:
case 229:
case 222:
case 221:
case 223:
case 224:
return emitModuleElement(node, isModuleElementVisible(node));
case 200:
return emitModuleElement(node, isVariableStatementVisible(node));
case 230:
return emitModuleElement(node, !node.importClause);
case 236:
return emitExportDeclaration(node);
case 148:
case 147:
case 146:
return writeFunctionDeclaration(node);
case 152:
case 151:
case 153:
return emitSignatureDeclarationWithJsDocComments(node);
case 149:
case 150:
return emitAccessorDeclaration(node);
case 145:
case 144:
return emitPropertyDeclaration(node);
case 255:
return emitEnumMemberDeclaration(node);
case 235:
return emitExportAssignment(node);
case 256:
return emitSourceFile(node);
}
}
function writeReferencePath(referencedFile, addBundledFileReference, emitOnlyDtsFiles) {
var declFileName;
var addedBundledEmitReference = false;
if (ts.isDeclarationFile(referencedFile)) {
declFileName = referencedFile.fileName;
}
else {
ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile, emitOnlyDtsFiles);
}
if (declFileName) {
declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, false);
referencesOutput += "/// <reference path=\"" + declFileName + "\" />" + newLine;
}
return addedBundledEmitReference;
function getDeclFileName(emitFileNames, sourceFiles, isBundledEmit) {
if (isBundledEmit && !addBundledFileReference) {
return;
}
ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files");
declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath;
addedBundledEmitReference = isBundledEmit;
}
}
}
function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) {
var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit, emitOnlyDtsFiles);
var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit;
if (!emitSkipped) {
var declarationOutput = emitDeclarationResult.referencesOutput
+ getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo);
ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM, sourceFiles);
}
return emitSkipped;
function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) {
var appliedSyncOutputPos = 0;
var declarationOutput = "";
ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) {
if (aliasEmitInfo.asynchronousOutput) {
declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos);
declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo);
appliedSyncOutputPos = aliasEmitInfo.outputPos;
}
});
declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos);
return declarationOutput;
}
}
ts.writeDeclarationFile = writeDeclarationFile;
})(ts || (ts = {}));
var ts;
(function (ts) {
function getResolvedExternalModuleName(host, file) {
return file.moduleName || ts.getExternalModuleNameFromPath(host, file.fileName);
}
ts.getResolvedExternalModuleName = getResolvedExternalModuleName;
function getExternalModuleNameFromDeclaration(host, resolver, declaration) {
var file = resolver.getExternalModuleFileFromDeclaration(declaration);
if (!file || ts.isDeclarationFile(file)) {
return undefined;
}
return getResolvedExternalModuleName(host, file);
}
ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration;
var entities = ts.createMap({
"quot": 0x0022,
"amp": 0x0026,
"apos": 0x0027,
"lt": 0x003C,
"gt": 0x003E,
"nbsp": 0x00A0,
"iexcl": 0x00A1,
"cent": 0x00A2,
"pound": 0x00A3,
"curren": 0x00A4,
"yen": 0x00A5,
"brvbar": 0x00A6,
"sect": 0x00A7,
"uml": 0x00A8,
"copy": 0x00A9,
"ordf": 0x00AA,
"laquo": 0x00AB,
"not": 0x00AC,
"shy": 0x00AD,
"reg": 0x00AE,
"macr": 0x00AF,
"deg": 0x00B0,
"plusmn": 0x00B1,
"sup2": 0x00B2,
"sup3": 0x00B3,
"acute": 0x00B4,
"micro": 0x00B5,
"para": 0x00B6,
"middot": 0x00B7,
"cedil": 0x00B8,
"sup1": 0x00B9,
"ordm": 0x00BA,
"raquo": 0x00BB,
"frac14": 0x00BC,
"frac12": 0x00BD,
"frac34": 0x00BE,
"iquest": 0x00BF,
"Agrave": 0x00C0,
"Aacute": 0x00C1,
"Acirc": 0x00C2,
"Atilde": 0x00C3,
"Auml": 0x00C4,
"Aring": 0x00C5,
"AElig": 0x00C6,
"Ccedil": 0x00C7,
"Egrave": 0x00C8,
"Eacute": 0x00C9,
"Ecirc": 0x00CA,
"Euml": 0x00CB,
"Igrave": 0x00CC,
"Iacute": 0x00CD,
"Icirc": 0x00CE,
"Iuml": 0x00CF,
"ETH": 0x00D0,
"Ntilde": 0x00D1,
"Ograve": 0x00D2,
"Oacute": 0x00D3,
"Ocirc": 0x00D4,
"Otilde": 0x00D5,
"Ouml": 0x00D6,
"times": 0x00D7,
"Oslash": 0x00D8,
"Ugrave": 0x00D9,
"Uacute": 0x00DA,
"Ucirc": 0x00DB,
"Uuml": 0x00DC,
"Yacute": 0x00DD,
"THORN": 0x00DE,
"szlig": 0x00DF,
"agrave": 0x00E0,
"aacute": 0x00E1,
"acirc": 0x00E2,
"atilde": 0x00E3,
"auml": 0x00E4,
"aring": 0x00E5,
"aelig": 0x00E6,
"ccedil": 0x00E7,
"egrave": 0x00E8,
"eacute": 0x00E9,
"ecirc": 0x00EA,
"euml": 0x00EB,
"igrave": 0x00EC,
"iacute": 0x00ED,
"icirc": 0x00EE,
"iuml": 0x00EF,
"eth": 0x00F0,
"ntilde": 0x00F1,
"ograve": 0x00F2,
"oacute": 0x00F3,
"ocirc": 0x00F4,
"otilde": 0x00F5,
"ouml": 0x00F6,
"divide": 0x00F7,
"oslash": 0x00F8,
"ugrave": 0x00F9,
"uacute": 0x00FA,
"ucirc": 0x00FB,
"uuml": 0x00FC,
"yacute": 0x00FD,
"thorn": 0x00FE,
"yuml": 0x00FF,
"OElig": 0x0152,
"oelig": 0x0153,
"Scaron": 0x0160,
"scaron": 0x0161,
"Yuml": 0x0178,
"fnof": 0x0192,
"circ": 0x02C6,
"tilde": 0x02DC,
"Alpha": 0x0391,
"Beta": 0x0392,
"Gamma": 0x0393,
"Delta": 0x0394,
"Epsilon": 0x0395,
"Zeta": 0x0396,
"Eta": 0x0397,
"Theta": 0x0398,
"Iota": 0x0399,
"Kappa": 0x039A,
"Lambda": 0x039B,
"Mu": 0x039C,
"Nu": 0x039D,
"Xi": 0x039E,
"Omicron": 0x039F,
"Pi": 0x03A0,
"Rho": 0x03A1,
"Sigma": 0x03A3,
"Tau": 0x03A4,
"Upsilon": 0x03A5,
"Phi": 0x03A6,
"Chi": 0x03A7,
"Psi": 0x03A8,
"Omega": 0x03A9,
"alpha": 0x03B1,
"beta": 0x03B2,
"gamma": 0x03B3,
"delta": 0x03B4,
"epsilon": 0x03B5,
"zeta": 0x03B6,
"eta": 0x03B7,
"theta": 0x03B8,
"iota": 0x03B9,
"kappa": 0x03BA,
"lambda": 0x03BB,
"mu": 0x03BC,
"nu": 0x03BD,
"xi": 0x03BE,
"omicron": 0x03BF,
"pi": 0x03C0,
"rho": 0x03C1,
"sigmaf": 0x03C2,
"sigma": 0x03C3,
"tau": 0x03C4,
"upsilon": 0x03C5,
"phi": 0x03C6,
"chi": 0x03C7,
"psi": 0x03C8,
"omega": 0x03C9,
"thetasym": 0x03D1,
"upsih": 0x03D2,
"piv": 0x03D6,
"ensp": 0x2002,
"emsp": 0x2003,
"thinsp": 0x2009,
"zwnj": 0x200C,
"zwj": 0x200D,
"lrm": 0x200E,
"rlm": 0x200F,
"ndash": 0x2013,
"mdash": 0x2014,
"lsquo": 0x2018,
"rsquo": 0x2019,
"sbquo": 0x201A,
"ldquo": 0x201C,
"rdquo": 0x201D,
"bdquo": 0x201E,
"dagger": 0x2020,
"Dagger": 0x2021,
"bull": 0x2022,
"hellip": 0x2026,
"permil": 0x2030,
"prime": 0x2032,
"Prime": 0x2033,
"lsaquo": 0x2039,
"rsaquo": 0x203A,
"oline": 0x203E,
"frasl": 0x2044,
"euro": 0x20AC,
"image": 0x2111,
"weierp": 0x2118,
"real": 0x211C,
"trade": 0x2122,
"alefsym": 0x2135,
"larr": 0x2190,
"uarr": 0x2191,
"rarr": 0x2192,
"darr": 0x2193,
"harr": 0x2194,
"crarr": 0x21B5,
"lArr": 0x21D0,
"uArr": 0x21D1,
"rArr": 0x21D2,
"dArr": 0x21D3,
"hArr": 0x21D4,
"forall": 0x2200,
"part": 0x2202,
"exist": 0x2203,
"empty": 0x2205,
"nabla": 0x2207,
"isin": 0x2208,
"notin": 0x2209,
"ni": 0x220B,
"prod": 0x220F,
"sum": 0x2211,
"minus": 0x2212,
"lowast": 0x2217,
"radic": 0x221A,
"prop": 0x221D,
"infin": 0x221E,
"ang": 0x2220,
"and": 0x2227,
"or": 0x2228,
"cap": 0x2229,
"cup": 0x222A,
"int": 0x222B,
"there4": 0x2234,
"sim": 0x223C,
"cong": 0x2245,
"asymp": 0x2248,
"ne": 0x2260,
"equiv": 0x2261,
"le": 0x2264,
"ge": 0x2265,
"sub": 0x2282,
"sup": 0x2283,
"nsub": 0x2284,
"sube": 0x2286,
"supe": 0x2287,
"oplus": 0x2295,
"otimes": 0x2297,
"perp": 0x22A5,
"sdot": 0x22C5,
"lceil": 0x2308,
"rceil": 0x2309,
"lfloor": 0x230A,
"rfloor": 0x230B,
"lang": 0x2329,
"rang": 0x232A,
"loz": 0x25CA,
"spades": 0x2660,
"clubs": 0x2663,
"hearts": 0x2665,
"diams": 0x2666
});
function emitFiles(resolver, host, targetSourceFile, emitOnlyDtsFiles) {
var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};";
var assignHelper = "\nvar __assign = (this && this.__assign) || Object.assign || function(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))\n t[p] = s[p];\n }\n return t;\n};";
var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};";
var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};";
var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};";
var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};";
var compilerOptions = host.getCompilerOptions();
var languageVersion = ts.getEmitScriptTarget(compilerOptions);
var modulekind = ts.getEmitModuleKind(compilerOptions);
var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined;
var emittedFilesList = compilerOptions.listEmittedFiles ? [] : undefined;
var emitterDiagnostics = ts.createDiagnosticCollection();
var emitSkipped = false;
var newLine = host.getNewLine();
var emitJavaScript = createFileEmitter();
ts.forEachExpectedEmitFile(host, emitFile, targetSourceFile, emitOnlyDtsFiles);
return {
emitSkipped: emitSkipped,
diagnostics: emitterDiagnostics.getDiagnostics(),
emittedFiles: emittedFilesList,
sourceMaps: sourceMapDataList
};
function isUniqueLocalName(name, container) {
for (var node = container; ts.isNodeDescendentOf(node, container); node = node.nextContainer) {
if (node.locals && name in node.locals) {
if (node.locals[name].flags & (107455 | 1048576 | 8388608)) {
return false;
}
}
}
return true;
}
function setLabeledJump(state, isBreak, labelText, labelMarker) {
if (isBreak) {
if (!state.labeledNonLocalBreaks) {
state.labeledNonLocalBreaks = ts.createMap();
}
state.labeledNonLocalBreaks[labelText] = labelMarker;
}
else {
if (!state.labeledNonLocalContinues) {
state.labeledNonLocalContinues = ts.createMap();
}
state.labeledNonLocalContinues[labelText] = labelMarker;
}
}
function hoistVariableDeclarationFromLoop(state, declaration) {
if (!state.hoistedLocalVariables) {
state.hoistedLocalVariables = [];
}
visit(declaration.name);
function visit(node) {
if (node.kind === 69) {
state.hoistedLocalVariables.push(node);
}
else {
for (var _a = 0, _b = node.elements; _a < _b.length; _a++) {
var element = _b[_a];
visit(element.name);
}
}
}
}
function createFileEmitter() {
var writer = ts.createTextWriter(newLine);
var write = writer.write, writeTextOfNode = writer.writeTextOfNode, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent;
var sourceMap = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter();
var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos;
var currentSourceFile;
var currentText;
var currentLineMap;
var currentFileIdentifiers;
var renamedDependencies;
var isEs6Module;
var isCurrentFileExternalModule;
var exportFunctionForFile;
var contextObjectForFile;
var generatedNameSet;
var nodeToGeneratedName;
var computedPropertyNamesToGeneratedNames;
var decoratedClassAliases;
var convertedLoopState;
var extendsEmitted;
var assignEmitted;
var decorateEmitted;
var paramEmitted;
var awaiterEmitted;
var tempFlags = 0;
var tempVariables;
var tempParameters;
var externalImports;
var exportSpecifiers;
var exportEquals;
var hasExportStarsToExportValues;
var detachedCommentsInfo;
var sourceMapData;
var isOwnFileEmit;
var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker;
var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { };
var moduleEmitDelegates = ts.createMap((_a = {},
_a[ts.ModuleKind.ES6] = emitES6Module,
_a[ts.ModuleKind.AMD] = emitAMDModule,
_a[ts.ModuleKind.System] = emitSystemModule,
_a[ts.ModuleKind.UMD] = emitUMDModule,
_a[ts.ModuleKind.CommonJS] = emitCommonJSModule,
_a
));
var bundleEmitDelegates = ts.createMap((_b = {},
_b[ts.ModuleKind.ES6] = function () { },
_b[ts.ModuleKind.AMD] = emitAMDModule,
_b[ts.ModuleKind.System] = emitSystemModule,
_b[ts.ModuleKind.UMD] = function () { },
_b[ts.ModuleKind.CommonJS] = function () { },
_b
));
return doEmit;
function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) {
sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit);
generatedNameSet = ts.createMap();
nodeToGeneratedName = [];
decoratedClassAliases = [];
isOwnFileEmit = !isBundledEmit;
if (isBundledEmit && modulekind) {
ts.forEach(sourceFiles, emitEmitHelpers);
}
ts.forEach(sourceFiles, emitSourceFile);
writeLine();
var sourceMappingURL = sourceMap.getSourceMappingURL();
if (sourceMappingURL) {
write("//# " + "sourceMappingURL" + "=" + sourceMappingURL);
}
writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, compilerOptions.emitBOM, sourceFiles);
sourceMap.reset();
writer.reset();
currentSourceFile = undefined;
currentText = undefined;
currentLineMap = undefined;
exportFunctionForFile = undefined;
contextObjectForFile = undefined;
generatedNameSet = undefined;
nodeToGeneratedName = undefined;
decoratedClassAliases = undefined;
computedPropertyNamesToGeneratedNames = undefined;
convertedLoopState = undefined;
extendsEmitted = false;
decorateEmitted = false;
paramEmitted = false;
awaiterEmitted = false;
assignEmitted = false;
tempFlags = 0;
tempVariables = undefined;
tempParameters = undefined;
externalImports = undefined;
exportSpecifiers = undefined;
exportEquals = undefined;
hasExportStarsToExportValues = undefined;
detachedCommentsInfo = undefined;
sourceMapData = undefined;
isEs6Module = false;
renamedDependencies = undefined;
isCurrentFileExternalModule = false;
}
function emitSourceFile(sourceFile) {
currentSourceFile = sourceFile;
currentText = sourceFile.text;
currentLineMap = ts.getLineStarts(sourceFile);
exportFunctionForFile = undefined;
contextObjectForFile = undefined;
isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"];
renamedDependencies = sourceFile.renamedDependencies;
currentFileIdentifiers = sourceFile.identifiers;
isCurrentFileExternalModule = ts.isExternalModule(sourceFile);
setSourceFile(sourceFile);
emitNodeWithCommentsAndWithoutSourcemap(sourceFile);
}
function isUniqueName(name) {
return !resolver.hasGlobalName(name) &&
!(name in currentFileIdentifiers) &&
!(name in generatedNameSet);
}
function makeTempVariableName(flags) {
if (flags && !(tempFlags & flags)) {
var name_24 = flags === 268435456 ? "_i" : "_n";
if (isUniqueName(name_24)) {
tempFlags |= flags;
return name_24;
}
}
while (true) {
var count = tempFlags & 268435455;
tempFlags++;
if (count !== 8 && count !== 13) {
var name_25 = count < 26 ? "_" + String.fromCharCode(97 + count) : "_" + (count - 26);
if (isUniqueName(name_25)) {
return name_25;
}
}
}
}
function makeUniqueName(baseName) {
if (baseName.charCodeAt(baseName.length - 1) !== 95) {
baseName += "_";
}
var i = 1;
while (true) {
var generatedName = baseName + i;
if (isUniqueName(generatedName)) {
return generatedNameSet[generatedName] = generatedName;
}
i++;
}
}
function generateNameForModuleOrEnum(node) {
var name = node.name.text;
return isUniqueLocalName(name, node) ? name : makeUniqueName(name);
}
function generateNameForImportOrExportDeclaration(node) {
var expr = ts.getExternalModuleName(node);
var baseName = expr.kind === 9 ?
ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module";
return makeUniqueName(baseName);
}
function generateNameForExportDefault() {
return makeUniqueName("default");
}
function generateNameForClassExpression() {
return makeUniqueName("class");
}
function generateNameForNode(node) {
switch (node.kind) {
case 69:
return makeUniqueName(node.text);
case 225:
case 224:
return generateNameForModuleOrEnum(node);
case 230:
case 236:
return generateNameForImportOrExportDeclaration(node);
case 220:
case 221:
case 235:
return generateNameForExportDefault();
case 192:
return generateNameForClassExpression();
default:
ts.Debug.fail();
}
}
function getGeneratedNameForNode(node) {
var id = ts.getNodeId(node);
return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node)));
}
function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark, sourceFiles) {
if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) {
ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false, sourceFiles);
}
if (sourceMapDataList) {
sourceMapDataList.push(sourceMap.getSourceMapData());
}
ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark, sourceFiles);
}
function createTempVariable(flags) {
var result = ts.createSynthesizedNode(69);
result.text = makeTempVariableName(flags);
return result;
}
function recordTempDeclaration(name) {
if (!tempVariables) {
tempVariables = [];
}
tempVariables.push(name);
}
function createAndRecordTempVariable(flags) {
var temp = createTempVariable(flags);
recordTempDeclaration(temp);
return temp;
}
function emitTempDeclarations(newLine) {
if (tempVariables) {
if (newLine) {
writeLine();
}
else {
write(" ");
}
write("var ");
emitCommaList(tempVariables);
write(";");
}
}
function emitToken(tokenKind, startPos, emitFn) {
var tokenStartPos = ts.skipTrivia(currentText, startPos);
emitPos(tokenStartPos);
var tokenString = ts.tokenToString(tokenKind);
if (emitFn) {
emitFn();
}
else {
write(tokenString);
}
var tokenEndPos = tokenStartPos + tokenString.length;
emitPos(tokenEndPos);
return tokenEndPos;
}
function emitOptional(prefix, node) {
if (node) {
write(prefix);
emit(node);
}
}
function emitParenthesizedIf(node, parenthesized) {
if (parenthesized) {
write("(");
}
emit(node);
if (parenthesized) {
write(")");
}
}
function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) {
ts.Debug.assert(nodes.length > 0);
increaseIndent();
if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) {
if (spacesBetweenBraces) {
write(" ");
}
}
else {
writeLine();
}
for (var i = 0, n = nodes.length; i < n; i++) {
if (i) {
if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) {
write(", ");
}
else {
write(",");
writeLine();
}
}
emit(nodes[i]);
}
if (nodes.hasTrailingComma && allowTrailingComma) {
write(",");
}
decreaseIndent();
if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) {
if (spacesBetweenBraces) {
write(" ");
}
}
else {
writeLine();
}
}
function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) {
if (!emitNode) {
emitNode = emit;
}
for (var i = 0; i < count; i++) {
if (multiLine) {
if (i || leadingComma) {
write(",");
}
writeLine();
}
else {
if (i || leadingComma) {
write(", ");
}
}
var node = nodes[start + i];
emitTrailingCommentsOfPosition(node.pos);
emitNode(node);
leadingComma = true;
}
if (trailingComma) {
write(",");
}
if (multiLine && !noTrailingNewLine) {
writeLine();
}
return count;
}
function emitCommaList(nodes) {
if (nodes) {
emitList(nodes, 0, nodes.length, false, false);
}
}
function emitLines(nodes) {
emitLinesStartingAt(nodes, 0);
}
function emitLinesStartingAt(nodes, startIndex) {
for (var i = startIndex; i < nodes.length; i++) {
writeLine();
emit(nodes[i]);
}
}
function isBinaryOrOctalIntegerLiteral(node, text) {
if (node.kind === 8 && text.length > 1) {
switch (text.charCodeAt(1)) {
case 98:
case 66:
case 111:
case 79:
return true;
}
}
return false;
}
function emitLiteral(node) {
var text = getLiteralText(node);
if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) {
writer.writeLiteral(text);
}
else if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) {
write(node.text);
}
else {
write(text);
}
}
function getLiteralText(node) {
if (languageVersion < 2 && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) {
return getQuotedEscapedLiteralText('"', node.text, '"');
}
if (node.parent) {
return ts.getTextOfNodeFromSourceText(currentText, node);
}
switch (node.kind) {
case 9:
return getQuotedEscapedLiteralText('"', node.text, '"');
case 11:
return getQuotedEscapedLiteralText("`", node.text, "`");
case 12:
return getQuotedEscapedLiteralText("`", node.text, "${");
case 13:
return getQuotedEscapedLiteralText("}", node.text, "${");
case 14:
return getQuotedEscapedLiteralText("}", node.text, "`");
case 8:
return node.text;
}
ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for.");
}
function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) {
return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote;
}
function emitDownlevelRawTemplateLiteral(node) {
var text = ts.getTextOfNodeFromSourceText(currentText, node);
var isLast = node.kind === 11 || node.kind === 14;
text = text.substring(1, text.length - (isLast ? 1 : 2));
text = text.replace(/\r\n?/g, "\n");
text = ts.escapeString(text);
write("\"" + text + "\"");
}
function emitDownlevelTaggedTemplateArray(node, literalEmitter) {
write("[");
if (node.template.kind === 11) {
literalEmitter(node.template);
}
else {
literalEmitter(node.template.head);
ts.forEach(node.template.templateSpans, function (child) {
write(", ");
literalEmitter(child.literal);
});
}
write("]");
}
function emitDownlevelTaggedTemplate(node) {
var tempVariable = createAndRecordTempVariable(0);
write("(");
emit(tempVariable);
write(" = ");
emitDownlevelTaggedTemplateArray(node, emit);
write(", ");
emit(tempVariable);
write(".raw = ");
emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral);
write(", ");
emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag));
write("(");
emit(tempVariable);
if (node.template.kind === 189) {
ts.forEach(node.template.templateSpans, function (templateSpan) {
write(", ");
var needsParens = templateSpan.expression.kind === 187
&& templateSpan.expression.operatorToken.kind === 24;
emitParenthesizedIf(templateSpan.expression, needsParens);
});
}
write("))");
}
function emitTemplateExpression(node) {
if (languageVersion >= 2) {
ts.forEachChild(node, emit);
return;
}
var emitOuterParens = ts.isExpression(node.parent)
&& templateNeedsParens(node, node.parent);
if (emitOuterParens) {
write("(");
}
var headEmitted = false;
if (shouldEmitTemplateHead()) {
emitLiteral(node.head);
headEmitted = true;
}
for (var i = 0, n = node.templateSpans.length; i < n; i++) {
var templateSpan = node.templateSpans[i];
var needsParens = templateSpan.expression.kind !== 178
&& comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1;
if (i > 0 || headEmitted) {
write(" + ");
}
emitParenthesizedIf(templateSpan.expression, needsParens);
if (templateSpan.literal.text.length !== 0) {
write(" + ");
emitLiteral(templateSpan.literal);
}
}
if (emitOuterParens) {
write(")");
}
function shouldEmitTemplateHead() {
ts.Debug.assert(node.templateSpans.length !== 0);
return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0;
}
function templateNeedsParens(template, parent) {
switch (parent.kind) {
case 174:
case 175:
return parent.expression === template;
case 176:
case 178:
return false;
default:
return comparePrecedenceToBinaryPlus(parent) !== -1;
}
}
function comparePrecedenceToBinaryPlus(expression) {
switch (expression.kind) {
case 187:
switch (expression.operatorToken.kind) {
case 37:
case 39:
case 40:
return 1;
case 35:
case 36:
return 0;
default:
return -1;
}
case 190:
case 188:
return -1;
default:
return 1;
}
}
}
function emitTemplateSpan(span) {
emit(span.expression);
emit(span.literal);
}
function jsxEmitReact(node) {
function emitTagName(name) {
if (name.kind === 69 && ts.isIntrinsicJsxName(name.text)) {
write('"');
emit(name);
write('"');
}
else {
emit(name);
}
}
function emitAttributeName(name) {
if (/^[A-Za-z_]\w*$/.test(name.text)) {
emit(name);
}
else {
write('"');
emit(name);
write('"');
}
}
function emitJsxAttribute(node) {
emitAttributeName(node.name);
write(": ");
if (node.initializer) {
emit(node.initializer);
}
else {
write("true");
}
}
function emitJsxElement(openingNode, children) {
var syntheticReactRef = ts.createSynthesizedNode(69);
syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React";
syntheticReactRef.parent = openingNode;
emitLeadingComments(openingNode);
emitExpressionIdentifier(syntheticReactRef);
write(".createElement(");
emitTagName(openingNode.tagName);
write(", ");
if (openingNode.attributes.length === 0) {
write("null");
}
else {
var attrs = openingNode.attributes;
if (ts.forEach(attrs, function (attr) { return attr.kind === 247; })) {
write("__assign(");
var haveOpenedObjectLiteral = false;
for (var i = 0; i < attrs.length; i++) {
if (attrs[i].kind === 247) {
if (i === 0) {
write("{}, ");
}
if (haveOpenedObjectLiteral) {
write("}");
haveOpenedObjectLiteral = false;
}
if (i > 0) {
write(", ");
}
emit(attrs[i].expression);
}
else {
ts.Debug.assert(attrs[i].kind === 246);
if (haveOpenedObjectLiteral) {
write(", ");
}
else {
haveOpenedObjectLiteral = true;
if (i > 0) {
write(", ");
}
write("{");
}
emitJsxAttribute(attrs[i]);
}
}
if (haveOpenedObjectLiteral)
write("}");
write(")");
}
else {
write("{");
for (var i = 0, n = attrs.length; i < n; i++) {
if (i > 0) {
write(", ");
}
emitJsxAttribute(attrs[i]);
}
write("}");
}
}
if (children) {
var firstChild = void 0;
var multipleEmittableChildren = false;
for (var i = 0, n = children.length; i < n; i++) {
var jsxChild = children[i];
if (isJsxChildEmittable(jsxChild)) {
if (!firstChild) {
write(", ");
firstChild = jsxChild;
}
else {
if (!multipleEmittableChildren) {
multipleEmittableChildren = true;
increaseIndent();
writeLine();
emit(firstChild);
}
write(", ");
writeLine();
emit(jsxChild);
}
}
}
if (multipleEmittableChildren) {
decreaseIndent();
}
else if (firstChild) {
if (firstChild.kind !== 241 && firstChild.kind !== 242) {
emit(firstChild);
}
else {
increaseIndent();
writeLine();
emit(firstChild);
writeLine();
decreaseIndent();
}
}
}
write(")");
emitTrailingComments(openingNode);
}
if (node.kind === 241) {
emitJsxElement(node.openingElement, node.children);
}
else {
ts.Debug.assert(node.kind === 242);
emitJsxElement(node);
}
}
function jsxEmitPreserve(node) {
function emitJsxAttribute(node) {
emit(node.name);
if (node.initializer) {
write("=");
emit(node.initializer);
}
}
function emitJsxSpreadAttribute(node) {
write("{...");
emit(node.expression);
write("}");
}
function emitAttributes(attribs) {
for (var i = 0, n = attribs.length; i < n; i++) {
if (i > 0) {
write(" ");
}
if (attribs[i].kind === 247) {
emitJsxSpreadAttribute(attribs[i]);
}
else {
ts.Debug.assert(attribs[i].kind === 246);
emitJsxAttribute(attribs[i]);
}
}
}
function emitJsxOpeningOrSelfClosingElement(node) {
write("<");
emit(node.tagName);
if (node.attributes.length > 0 || (node.kind === 242)) {
write(" ");
}
emitAttributes(node.attributes);
if (node.kind === 242) {
write("/>");
}
else {
write(">");
}
}
function emitJsxClosingElement(node) {
write("</");
emit(node.tagName);
write(">");
}
function emitJsxElement(node) {
emitJsxOpeningOrSelfClosingElement(node.openingElement);
for (var i = 0, n = node.children.length; i < n; i++) {
emit(node.children[i]);
}
emitJsxClosingElement(node.closingElement);
}
if (node.kind === 241) {
emitJsxElement(node);
}
else {
ts.Debug.assert(node.kind === 242);
emitJsxOpeningOrSelfClosingElement(node);
}
}
function emitExpressionForPropertyName(node) {
ts.Debug.assert(node.kind !== 169);
if (node.kind === 9) {
emitLiteral(node);
}
else if (node.kind === 140) {
if (ts.nodeIsDecorated(node.parent)) {
if (!computedPropertyNamesToGeneratedNames) {
computedPropertyNamesToGeneratedNames = [];
}
var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)];
if (generatedName) {
write(generatedName);
return;
}
generatedName = createAndRecordTempVariable(0).text;
computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName;
write(generatedName);
write(" = ");
}
emit(node.expression);
}
else {
write('"');
if (node.kind === 8) {
write(node.text);
}
else {
writeTextOfNode(currentText, node);
}
write('"');
}
}
function isExpressionIdentifier(node) {
var parent = node.parent;
switch (parent.kind) {
case 170:
case 195:
case 184:
case 187:
case 174:
case 249:
case 140:
case 188:
case 143:
case 181:
case 204:
case 173:
case 235:
case 202:
case 194:
case 206:
case 207:
case 208:
case 203:
case 245:
case 242:
case 243:
case 247:
case 248:
case 175:
case 196:
case 178:
case 186:
case 185:
case 211:
case 254:
case 191:
case 213:
case 176:
case 197:
case 215:
case 177:
case 182:
case 183:
case 205:
case 212:
case 190:
return true;
case 169:
case 255:
case 142:
case 253:
case 145:
case 218:
return parent.initializer === node;
case 172:
return parent.expression === node;
case 180:
case 179:
return parent.body === node;
case 229:
return parent.moduleReference === node;
case 139:
return parent.left === node;
}
return false;
}
function emitExpressionIdentifier(node) {
var container = resolver.getReferencedExportContainer(node);
if (container) {
if (container.kind === 256) {
if (modulekind !== ts.ModuleKind.ES6 && modulekind !== ts.ModuleKind.System) {
write("exports.");
}
}
else {
write(getGeneratedNameForNode(container));
write(".");
}
}
else {
if (modulekind !== ts.ModuleKind.ES6) {
var declaration = resolver.getReferencedImportDeclaration(node);
if (declaration) {
if (declaration.kind === 231) {
write(getGeneratedNameForNode(declaration.parent));
write(languageVersion === 0 ? '["default"]' : ".default");
return;
}
else if (declaration.kind === 234) {
write(getGeneratedNameForNode(declaration.parent.parent.parent));
var name_26 = declaration.propertyName || declaration.name;
var identifier = ts.getTextOfNodeFromSourceText(currentText, name_26);
if (languageVersion === 0 && identifier === "default") {
write('["default"]');
}
else {
write(".");
write(identifier);
}
return;
}
}
}
if (languageVersion < 2) {
var declaration = resolver.getReferencedDeclarationWithCollidingName(node);
if (declaration) {
write(getGeneratedNameForNode(declaration.name));
return;
}
}
else if (resolver.getNodeCheckFlags(node) & 1048576) {
var declaration = resolver.getReferencedValueDeclaration(node);
if (declaration) {
var classAlias = decoratedClassAliases[ts.getNodeId(declaration)];
if (classAlias !== undefined) {
write(classAlias);
return;
}
}
}
}
if (ts.nodeIsSynthesized(node)) {
write(node.text);
}
else {
writeTextOfNode(currentText, node);
}
}
function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) {
if (languageVersion < 2) {
var parent_13 = node.parent;
switch (parent_13.kind) {
case 169:
case 221:
case 224:
case 218:
return parent_13.name === node && resolver.isDeclarationWithCollidingName(parent_13);
}
}
return false;
}
function getClassExpressionInPropertyAccessInStaticPropertyDeclaration(node) {
if (languageVersion >= 2) {
var parent_14 = node.parent;
if (parent_14.kind === 172 && parent_14.expression === node) {
parent_14 = parent_14.parent;
while (parent_14 && parent_14.kind !== 145) {
parent_14 = parent_14.parent;
}
return parent_14 && parent_14.kind === 145 && (parent_14.flags & 32) !== 0 &&
parent_14.parent.kind === 192 ? parent_14.parent : undefined;
}
}
return undefined;
}
function emitIdentifier(node) {
if (convertedLoopState) {
if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) {
var name_27 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments"));
write(name_27);
return;
}
}
if (!node.parent) {
write(node.text);
}
else if (isExpressionIdentifier(node)) {
var classExpression = getClassExpressionInPropertyAccessInStaticPropertyDeclaration(node);
if (classExpression) {
var declaration = resolver.getReferencedValueDeclaration(node);
if (declaration === classExpression) {
write(getGeneratedNameForNode(declaration.name));
return;
}
}
emitExpressionIdentifier(node);
}
else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) {
write(getGeneratedNameForNode(node));
}
else if (ts.nodeIsSynthesized(node)) {
write(node.text);
}
else {
writeTextOfNode(currentText, node);
}
}
function emitThis(node) {
if (resolver.getNodeCheckFlags(node) & 2) {
write("_this");
}
else if (convertedLoopState) {
write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this")));
}
else {
write("this");
}
}
function emitSuper(node) {
if (languageVersion >= 2) {
write("super");
}
else {
var flags = resolver.getNodeCheckFlags(node);
if (flags & 256) {
write("_super.prototype");
}
else {
write("_super");
}
}
}
function emitObjectBindingPattern(node) {
write("{ ");
var elements = node.elements;
emitList(elements, 0, elements.length, false, elements.hasTrailingComma);
write(" }");
}
function emitArrayBindingPattern(node) {
write("[");
var elements = node.elements;
emitList(elements, 0, elements.length, false, elements.hasTrailingComma);
write("]");
}
function emitBindingElement(node) {
if (node.propertyName) {
emit(node.propertyName);
write(": ");
}
if (node.dotDotDotToken) {
write("...");
}
if (ts.isBindingPattern(node.name)) {
emit(node.name);
}
else {
emitModuleMemberName(node);
}
emitOptional(" = ", node.initializer);
}
function emitSpreadElementExpression(node) {
write("...");
emit(node.expression);
}
function emitYieldExpression(node) {
write(ts.tokenToString(114));
if (node.asteriskToken) {
write("*");
}
if (node.expression) {
write(" ");
emit(node.expression);
}
}
function emitAwaitExpression(node) {
var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node);
if (needsParenthesis) {
write("(");
}
write(ts.tokenToString(114));
write(" ");
emit(node.expression);
if (needsParenthesis) {
write(")");
}
}
function needsParenthesisForAwaitExpressionAsYield(node) {
if (node.parent.kind === 187 && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) {
return true;
}
else if (node.parent.kind === 188 && node.parent.condition === node) {
return true;
}
else if (node.parent.kind === 185 || node.parent.kind === 181 ||
node.parent.kind === 182 || node.parent.kind === 183) {
return true;
}
return false;
}
function needsParenthesisForPropertyAccessOrInvocation(node) {
switch (node.kind) {
case 69:
case 170:
case 172:
case 173:
case 174:
case 178:
return false;
}
return true;
}
function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) {
var pos = 0;
var group = 0;
var length = elements.length;
while (pos < length) {
if (group === 1 && useConcat) {
write(".concat(");
}
else if (group > 0) {
write(", ");
}
var e = elements[pos];
if (e.kind === 191) {
e = e.expression;
emitParenthesizedIf(e, group === 0 && needsParenthesisForPropertyAccessOrInvocation(e));
pos++;
if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 170) {
write(".slice()");
}
}
else {
var i = pos;
while (i < length && elements[i].kind !== 191) {
i++;
}
write("[");
if (multiLine) {
increaseIndent();
}
emitList(elements, pos, i - pos, multiLine, trailingComma && i === length);
if (multiLine) {
decreaseIndent();
}
write("]");
pos = i;
}
group++;
}
if (group > 1) {
if (useConcat) {
write(")");
}
}
}
function isSpreadElementExpression(node) {
return node.kind === 191;
}
function emitArrayLiteral(node) {
var elements = node.elements;
if (elements.length === 0) {
write("[]");
}
else if (languageVersion >= 2 || !ts.forEach(elements, isSpreadElementExpression)) {
write("[");
emitLinePreservingList(node, node.elements, elements.hasTrailingComma, false);
write("]");
}
else {
emitListWithSpread(elements, true, node.multiLine, elements.hasTrailingComma, true);
}
}
function emitObjectLiteralBody(node, numElements) {
if (numElements === 0) {
write("{}");
return;
}
write("{");
if (numElements > 0) {
var properties = node.properties;
if (numElements === properties.length) {
emitLinePreservingList(node, properties, languageVersion >= 1, true);
}
else {
var multiLine = node.multiLine;
if (!multiLine) {
write(" ");
}
else {
increaseIndent();
}
emitList(properties, 0, numElements, multiLine, false);
if (!multiLine) {
write(" ");
}
else {
decreaseIndent();
}
}
}
write("}");
}
function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) {
var multiLine = node.multiLine;
var properties = node.properties;
write("(");
if (multiLine) {
increaseIndent();
}
var tempVar = createAndRecordTempVariable(0);
emit(tempVar);
write(" = ");
emitObjectLiteralBody(node, firstComputedPropertyIndex);
for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) {
var property = properties[i];
if (property.kind === 149 || property.kind === 150) {
var accessors = ts.getAllAccessorDeclarations(node.properties, property);
if (property !== accessors.firstAccessor) {
continue;
}
writeComma();
emitStart(property);
write("Object.defineProperty(");
emit(tempVar);
write(", ");
emitStart(property.name);
emitExpressionForPropertyName(property.name);
emitEnd(property.name);
write(", {");
increaseIndent();
if (accessors.getAccessor) {
writeLine();
emitLeadingComments(accessors.getAccessor);
write("get: ");
emitStart(accessors.getAccessor);
write("function ");
emitSignatureAndBody(accessors.getAccessor);
emitEnd(accessors.getAccessor);
emitTrailingComments(accessors.getAccessor);
write(",");
}
if (accessors.setAccessor) {
writeLine();
emitLeadingComments(accessors.setAccessor);
write("set: ");
emitStart(accessors.setAccessor);
write("function ");
emitSignatureAndBody(accessors.setAccessor);
emitEnd(accessors.setAccessor);
emitTrailingComments(accessors.setAccessor);
write(",");
}
writeLine();
write("enumerable: true,");
writeLine();
write("configurable: true");
decreaseIndent();
writeLine();
write("})");
emitEnd(property);
}
else {
writeComma();
emitStart(property);
emitLeadingComments(property);
emitStart(property.name);
emit(tempVar);
emitMemberAccessForPropertyName(property.name);
emitEnd(property.name);
write(" = ");
if (property.kind === 253) {
emit(property.initializer);
}
else if (property.kind === 254) {
emitExpressionIdentifier(property.name);
}
else if (property.kind === 147) {
emitFunctionDeclaration(property);
}
else {
ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind);
}
emitEnd(property);
}
}
writeComma();
emit(tempVar);
if (multiLine) {
decreaseIndent();
writeLine();
}
write(")");
function writeComma() {
if (multiLine) {
write(",");
writeLine();
}
else {
write(", ");
}
}
}
function emitObjectLiteral(node) {
var properties = node.properties;
if (languageVersion < 2) {
var numProperties = properties.length;
var numInitialNonComputedProperties = numProperties;
for (var i = 0, n = properties.length; i < n; i++) {
if (properties[i].name.kind === 140) {
numInitialNonComputedProperties = i;
break;
}
}
var hasComputedProperty = numInitialNonComputedProperties !== properties.length;
if (hasComputedProperty) {
emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties);
return;
}
}
emitObjectLiteralBody(node, properties.length);
}
function createBinaryExpression(left, operator, right, startsOnNewLine) {
var result = ts.createSynthesizedNode(187, startsOnNewLine);
result.operatorToken = ts.createSynthesizedNode(operator);
result.left = left;
result.right = right;
return result;
}
function createPropertyAccessExpression(expression, name) {
var result = ts.createSynthesizedNode(172);
result.expression = parenthesizeForAccess(expression);
result.name = name;
return result;
}
function createElementAccessExpression(expression, argumentExpression) {
var result = ts.createSynthesizedNode(173);
result.expression = parenthesizeForAccess(expression);
result.argumentExpression = argumentExpression;
return result;
}
function parenthesizeForAccess(expr) {
while (expr.kind === 177 ||
expr.kind === 195 ||
expr.kind === 196) {
expr = expr.expression;
}
if (ts.isLeftHandSideExpression(expr) &&
expr.kind !== 175 &&
expr.kind !== 8) {
return expr;
}
var node = ts.createSynthesizedNode(178);
node.expression = expr;
return node;
}
function emitComputedPropertyName(node) {
write("[");
emitExpressionForPropertyName(node);
write("]");
}
function emitMethod(node) {
if (languageVersion >= 2 && node.asteriskToken) {
write("*");
}
emit(node.name);
if (languageVersion < 2) {
write(": function ");
}
emitSignatureAndBody(node);
}
function emitPropertyAssignment(node) {
emit(node.name);
write(": ");
emitTrailingCommentsOfPosition(node.initializer.pos);
emit(node.initializer);
}
function isExportReference(node) {
var container = resolver.getReferencedExportContainer(node);
return !!container;
}
function isImportedReference(node) {
var declaration = resolver.getReferencedImportDeclaration(node);
return declaration && (declaration.kind === 231 || declaration.kind === 234);
}
function emitShorthandPropertyAssignment(node) {
writeTextOfNode(currentText, node.name);
if (languageVersion < 2 || (modulekind !== ts.ModuleKind.ES6 && isImportedReference(node.name)) || isExportReference(node.name)) {
write(": ");
emitExpressionIdentifier(node.name);
}
if (languageVersion >= 2 && node.objectAssignmentInitializer) {
write(" = ");
emit(node.objectAssignmentInitializer);
}
}
function tryEmitConstantValue(node) {
var constantValue = tryGetConstEnumValue(node);
if (constantValue !== undefined) {
write(constantValue.toString());
if (!compilerOptions.removeComments) {
var propertyName = node.kind === 172 ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression);
write(" /* " + propertyName + " */");
}
return true;
}
return false;
}
function tryGetConstEnumValue(node) {
if (compilerOptions.isolatedModules) {
return undefined;
}
return node.kind === 172 || node.kind === 173
? resolver.getConstantValue(node)
: undefined;
}
function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) {
var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2);
var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2);
if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) {
increaseIndent();
writeLine();
return true;
}
else {
if (valueToWriteWhenNotIndenting) {
write(valueToWriteWhenNotIndenting);
}
return false;
}
}
function emitPropertyAccess(node) {
if (tryEmitConstantValue(node)) {
return;
}
if (languageVersion === 2 &&
node.expression.kind === 95 &&
isInAsyncMethodWithSuperInES6(node)) {
var name_28 = ts.createSynthesizedNode(9);
name_28.text = node.name.text;
emitSuperAccessInAsyncMethod(node.expression, name_28);
return;
}
emit(node.expression);
var dotRangeStart = ts.nodeIsSynthesized(node.expression) ? -1 : node.expression.end;
var dotRangeEnd = ts.nodeIsSynthesized(node.expression) ? -1 : ts.skipTrivia(currentText, node.expression.end) + 1;
var dotToken = { pos: dotRangeStart, end: dotRangeEnd };
var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, dotToken);
var shouldEmitSpace = false;
if (!indentedBeforeDot) {
if (node.expression.kind === 8) {
var text = ts.getTextOfNodeFromSourceText(currentText, node.expression);
shouldEmitSpace = text.indexOf(ts.tokenToString(21)) < 0;
}
else {
var constantValue = tryGetConstEnumValue(node.expression);
shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue;
}
}
if (shouldEmitSpace) {
write(" .");
}
else {
write(".");
}
var indentedAfterDot = indentIfOnDifferentLines(node, dotToken, node.name);
emit(node.name);
decreaseIndentIf(indentedBeforeDot, indentedAfterDot);
}
function emitQualifiedName(node) {
emit(node.left);
write(".");
emit(node.right);
}
function emitQualifiedNameAsExpression(node, useFallback) {
if (node.left.kind === 69) {
emitEntityNameAsExpression(node.left, useFallback);
}
else if (useFallback) {
var temp = createAndRecordTempVariable(0);
write("(");
emitNodeWithoutSourceMap(temp);
write(" = ");
emitEntityNameAsExpression(node.left, true);
write(") && ");
emitNodeWithoutSourceMap(temp);
}
else {
emitEntityNameAsExpression(node.left, false);
}
write(".");
emit(node.right);
}
function emitEntityNameAsExpression(node, useFallback) {
switch (node.kind) {
case 69:
if (useFallback) {
write("typeof ");
emitExpressionIdentifier(node);
write(" !== 'undefined' && ");
}
emitExpressionIdentifier(node);
break;
case 139:
emitQualifiedNameAsExpression(node, useFallback);
break;
default:
emitNodeWithoutSourceMap(node);
break;
}
}
function emitIndexedAccess(node) {
if (tryEmitConstantValue(node)) {
return;
}
if (languageVersion === 2 &&
node.expression.kind === 95 &&
isInAsyncMethodWithSuperInES6(node)) {
emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression);
return;
}
emit(node.expression);
write("[");
emit(node.argumentExpression);
write("]");
}
function hasSpreadElement(elements) {
return ts.forEach(elements, function (e) { return e.kind === 191; });
}
function skipParentheses(node) {
while (node.kind === 178 ||
node.kind === 177 ||
node.kind === 195 ||
node.kind === 196) {
node = node.expression;
}
return node;
}
function emitCallTarget(node) {
if (node.kind === 69 || node.kind === 97 || node.kind === 95) {
emit(node);
return node;
}
var temp = createAndRecordTempVariable(0);
write("(");
emit(temp);
write(" = ");
emit(node);
write(")");
return temp;
}
function emitCallWithSpread(node) {
var target;
var expr = skipParentheses(node.expression);
if (expr.kind === 172) {
target = emitCallTarget(expr.expression);
write(".");
emit(expr.name);
}
else if (expr.kind === 173) {
target = emitCallTarget(expr.expression);
write("[");
emit(expr.argumentExpression);
write("]");
}
else if (expr.kind === 95) {
target = expr;
write("_super");
}
else {
emit(node.expression);
}
write(".apply(");
if (target) {
if (target.kind === 95) {
emitThis(target);
}
else {
emit(target);
}
}
else {
write("void 0");
}
write(", ");
emitListWithSpread(node.arguments, false, false, false, true);
write(")");
}
function isInAsyncMethodWithSuperInES6(node) {
if (languageVersion === 2) {
var container = ts.getSuperContainer(node, false);
if (container && resolver.getNodeCheckFlags(container) & (2048 | 4096)) {
return true;
}
}
return false;
}
function emitSuperAccessInAsyncMethod(superNode, argumentExpression) {
var container = ts.getSuperContainer(superNode, false);
var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096;
write("_super(");
emit(argumentExpression);
write(isSuperBinding ? ").value" : ")");
}
function emitCallExpression(node) {
if (languageVersion < 2 && hasSpreadElement(node.arguments)) {
emitCallWithSpread(node);
return;
}
var expression = node.expression;
var superCall = false;
var isAsyncMethodWithSuper = false;
if (expression.kind === 95) {
emitSuper(expression);
superCall = true;
}
else {
superCall = ts.isSuperPropertyOrElementAccess(expression);
isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node);
emit(expression);
}
if (superCall && (languageVersion < 2 || isAsyncMethodWithSuper)) {
write(".call(");
emitThis(expression);
if (node.arguments.length) {
write(", ");
emitCommaList(node.arguments);
}
write(")");
}
else {
write("(");
emitCommaList(node.arguments);
write(")");
}
}
function emitNewExpression(node) {
write("new ");
if (languageVersion === 1 &&
node.arguments &&
hasSpreadElement(node.arguments)) {
write("(");
var target = emitCallTarget(node.expression);
write(".bind.apply(");
emit(target);
write(", [void 0].concat(");
emitListWithSpread(node.arguments, false, false, false, false);
write(")))");
write("()");
}
else {
emit(node.expression);
if (node.arguments) {
write("(");
emitCommaList(node.arguments);
write(")");
}
}
}
function emitTaggedTemplateExpression(node) {
if (languageVersion >= 2) {
emit(node.tag);
write(" ");
emit(node.template);
}
else {
emitDownlevelTaggedTemplate(node);
}
}
function emitParenExpression(node) {
if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 180) {
if (node.expression.kind === 177 ||
node.expression.kind === 195 ||
node.expression.kind === 196) {
var operand = node.expression.expression;
while (operand.kind === 177 ||
operand.kind === 195 ||
operand.kind === 196) {
operand = operand.expression;
}
if (operand.kind !== 185 &&
operand.kind !== 183 &&
operand.kind !== 182 &&
operand.kind !== 181 &&
operand.kind !== 186 &&
operand.kind !== 175 &&
!(operand.kind === 187 && node.expression.kind === 195) &&
!(operand.kind === 174 && node.parent.kind === 175) &&
!(operand.kind === 179 && node.parent.kind === 174) &&
!(operand.kind === 8 && node.parent.kind === 172)) {
emit(operand);
return;
}
}
}
write("(");
emit(node.expression);
write(")");
}
function emitDeleteExpression(node) {
write(ts.tokenToString(78));
write(" ");
emit(node.expression);
}
function emitVoidExpression(node) {
write(ts.tokenToString(103));
write(" ");
emit(node.expression);
}
function emitTypeOfExpression(node) {
write(ts.tokenToString(101));
write(" ");
emit(node.expression);
}
function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) {
if (!isCurrentFileSystemExternalModule() || node.kind !== 69 || ts.nodeIsSynthesized(node)) {
return false;
}
var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 218 || node.parent.kind === 169);
var targetDeclaration = isVariableDeclarationOrBindingElement
? node.parent
: resolver.getReferencedValueDeclaration(node);
return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, true);
}
function isNameOfExportedDeclarationInNonES6Module(node) {
if (modulekind === ts.ModuleKind.System || node.kind !== 69 || ts.nodeIsSynthesized(node)) {
return false;
}
if (exportEquals || !exportSpecifiers || !(node.text in exportSpecifiers)) {
return false;
}
var declaration = resolver.getReferencedValueDeclaration(node);
return declaration && ts.getEnclosingBlockScopeContainer(declaration).kind === 256;
}
function emitPrefixUnaryExpression(node) {
var isPlusPlusOrMinusMinus = (node.operator === 41
|| node.operator === 42);
var externalExportChanged = isPlusPlusOrMinusMinus &&
isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand);
if (externalExportChanged) {
write(exportFunctionForFile + "(\"");
emitNodeWithoutSourceMap(node.operand);
write("\", ");
}
var internalExportChanged = isPlusPlusOrMinusMinus &&
isNameOfExportedDeclarationInNonES6Module(node.operand);
if (internalExportChanged) {
emitAliasEqual(node.operand);
}
write(ts.tokenToString(node.operator));
if (node.operand.kind === 185) {
var operand = node.operand;
if (node.operator === 35 && (operand.operator === 35 || operand.operator === 41)) {
write(" ");
}
else if (node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) {
write(" ");
}
}
emit(node.operand);
if (externalExportChanged) {
write(")");
}
}
function emitPostfixUnaryExpression(node) {
var externalExportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand);
var internalExportChanged = isNameOfExportedDeclarationInNonES6Module(node.operand);
if (externalExportChanged) {
write("(" + exportFunctionForFile + "(\"");
emitNodeWithoutSourceMap(node.operand);
write("\", ");
write(ts.tokenToString(node.operator));
emit(node.operand);
if (node.operator === 41) {
write(") - 1)");
}
else {
write(") + 1)");
}
}
else if (internalExportChanged) {
emitAliasEqual(node.operand);
emit(node.operand);
if (node.operator === 41) {
write(" += 1");
}
else {
write(" -= 1");
}
}
else {
emit(node.operand);
write(ts.tokenToString(node.operator));
}
}
function shouldHoistDeclarationInSystemJsModule(node) {
return isSourceFileLevelDeclarationInSystemJsModule(node, false);
}
function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) {
if (!node || !isCurrentFileSystemExternalModule()) {
return false;
}
var current = ts.getRootDeclaration(node).parent;
while (current) {
if (current.kind === 256) {
return !isExported || ((ts.getCombinedNodeFlags(node) & 1) !== 0);
}
else if (ts.isDeclaration(current)) {
return false;
}
else {
current = current.parent;
}
}
}
function emitExponentiationOperator(node) {
var leftHandSideExpression = node.left;
if (node.operatorToken.kind === 60) {
var synthesizedLHS = void 0;
var shouldEmitParentheses = false;
if (ts.isElementAccessExpression(leftHandSideExpression)) {
shouldEmitParentheses = true;
write("(");
synthesizedLHS = ts.createSynthesizedNode(173, false);
var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false);
synthesizedLHS.expression = identifier;
if (leftHandSideExpression.argumentExpression.kind !== 8 &&
leftHandSideExpression.argumentExpression.kind !== 9) {
var tempArgumentExpression = createAndRecordTempVariable(268435456);
synthesizedLHS.argumentExpression = tempArgumentExpression;
emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, true, leftHandSideExpression.expression);
}
else {
synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression;
}
write(", ");
}
else if (ts.isPropertyAccessExpression(leftHandSideExpression)) {
shouldEmitParentheses = true;
write("(");
synthesizedLHS = ts.createSynthesizedNode(172, false);
var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false);
synthesizedLHS.expression = identifier;
synthesizedLHS.name = leftHandSideExpression.name;
write(", ");
}
emit(synthesizedLHS || leftHandSideExpression);
write(" = ");
write("Math.pow(");
emit(synthesizedLHS || leftHandSideExpression);
write(", ");
emit(node.right);
write(")");
if (shouldEmitParentheses) {
write(")");
}
}
else {
write("Math.pow(");
emit(leftHandSideExpression);
write(", ");
emit(node.right);
write(")");
}
}
function emitAliasEqual(name) {
for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) {
var specifier = _b[_a];
emitStart(specifier.name);
emitContainingModuleName(specifier);
if (languageVersion === 0 && name.text === "default") {
write('["default"]');
}
else {
write(".");
emitNodeWithCommentsAndWithoutSourcemap(specifier.name);
}
emitEnd(specifier.name);
write(" = ");
}
return true;
}
function emitBinaryExpression(node) {
if (languageVersion < 2 && node.operatorToken.kind === 56 &&
(node.left.kind === 171 || node.left.kind === 170)) {
emitDestructuring(node, node.parent.kind === 202);
}
else {
var isAssignment = ts.isAssignmentOperator(node.operatorToken.kind);
var externalExportChanged = isAssignment &&
isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left);
if (externalExportChanged) {
write(exportFunctionForFile + "(\"");
emitNodeWithoutSourceMap(node.left);
write("\", ");
}
var internalExportChanged = isAssignment &&
isNameOfExportedDeclarationInNonES6Module(node.left);
if (internalExportChanged) {
emitAliasEqual(node.left);
}
if (node.operatorToken.kind === 38 || node.operatorToken.kind === 60) {
emitExponentiationOperator(node);
}
else {
emit(node.left);
var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 ? " " : undefined);
write(ts.tokenToString(node.operatorToken.kind));
var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " ");
emit(node.right);
decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator);
}
if (externalExportChanged) {
write(")");
}
}
}
function synthesizedNodeStartsOnNewLine(node) {
return ts.nodeIsSynthesized(node) && node.startsOnNewLine;
}
function emitConditionalExpression(node) {
emit(node.condition);
var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " ");
write("?");
var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " ");
emit(node.whenTrue);
decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion);
var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " ");
write(":");
var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " ");
emit(node.whenFalse);
decreaseIndentIf(indentedBeforeColon, indentedAfterColon);
}
function decreaseIndentIf(value1, value2) {
if (value1) {
decreaseIndent();
}
if (value2) {
decreaseIndent();
}
}
function isSingleLineEmptyBlock(node) {
if (node && node.kind === 199) {
var block = node;
return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block);
}
}
function emitBlock(node) {
if (isSingleLineEmptyBlock(node)) {
emitToken(15, node.pos);
write(" ");
emitToken(16, node.statements.end);
return;
}
emitToken(15, node.pos);
increaseIndent();
if (node.kind === 226) {
ts.Debug.assert(node.parent.kind === 225);
emitCaptureThisForNodeIfNecessary(node.parent);
}
emitLines(node.statements);
if (node.kind === 226) {
emitTempDeclarations(true);
}
decreaseIndent();
writeLine();
emitToken(16, node.statements.end);
}
function emitEmbeddedStatement(node) {
if (node.kind === 199) {
write(" ");
emit(node);
}
else {
increaseIndent();
writeLine();
emit(node);
decreaseIndent();
}
}
function emitExpressionStatement(node) {
emitParenthesizedIf(node.expression, node.expression.kind === 180);
write(";");
}
function emitIfStatement(node) {
var endPos = emitToken(88, node.pos);
write(" ");
endPos = emitToken(17, endPos);
emit(node.expression);
emitToken(18, node.expression.end);
emitEmbeddedStatement(node.thenStatement);
if (node.elseStatement) {
writeLine();
emitToken(80, node.thenStatement.end);
if (node.elseStatement.kind === 203) {
write(" ");
emit(node.elseStatement);
}
else {
emitEmbeddedStatement(node.elseStatement);
}
}
}
function emitDoStatement(node) {
emitLoop(node, emitDoStatementWorker);
}
function emitDoStatementWorker(node, loop) {
write("do");
if (loop) {
emitConvertedLoopCall(loop, true);
}
else {
emitNormalLoopBody(node, true);
}
if (node.statement.kind === 199) {
write(" ");
}
else {
writeLine();
}
write("while (");
emit(node.expression);
write(");");
}
function emitWhileStatement(node) {
emitLoop(node, emitWhileStatementWorker);
}
function emitWhileStatementWorker(node, loop) {
write("while (");
emit(node.expression);
write(")");
if (loop) {
emitConvertedLoopCall(loop, true);
}
else {
emitNormalLoopBody(node, true);
}
}
function tryEmitStartOfVariableDeclarationList(decl) {
if (shouldHoistVariable(decl, true)) {
return false;
}
if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 3072) === 0) {
for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) {
var varDecl = _b[_a];
hoistVariableDeclarationFromLoop(convertedLoopState, varDecl);
}
return false;
}
emitStart(decl);
if (decl && languageVersion >= 2) {
if (ts.isLet(decl)) {
write("let ");
}
else if (ts.isConst(decl)) {
write("const ");
}
else {
write("var ");
}
}
else {
write("var ");
}
return true;
}
function emitVariableDeclarationListSkippingUninitializedEntries(list) {
var started = false;
for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) {
var decl = _b[_a];
if (!decl.initializer) {
continue;
}
if (!started) {
started = true;
}
else {
write(", ");
}
emit(decl);
}
return started;
}
function shouldConvertLoopBody(node) {
return languageVersion < 2 &&
(resolver.getNodeCheckFlags(node) & 65536) !== 0;
}
function emitLoop(node, loopEmitter) {
var shouldConvert = shouldConvertLoopBody(node);
if (!shouldConvert) {
loopEmitter(node, undefined);
}
else {
var loop = convertLoopBody(node);
if (node.parent.kind === 214) {
emitLabelAndColon(node.parent);
}
loopEmitter(node, loop);
}
}
function convertLoopBody(node) {
var functionName = makeUniqueName("_loop");
var loopInitializer;
switch (node.kind) {
case 206:
case 207:
case 208:
var initializer = node.initializer;
if (initializer && initializer.kind === 219) {
loopInitializer = node.initializer;
}
break;
}
var loopParameters;
var loopOutParameters;
if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 3072)) {
loopParameters = [];
for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) {
var varDeclaration = _b[_a];
processVariableDeclaration(varDeclaration.name);
}
}
var bodyIsBlock = node.statement.kind === 199;
var paramList = loopParameters ? loopParameters.join(", ") : "";
writeLine();
write("var " + functionName + " = function(" + paramList + ")");
var convertedOuterLoopState = convertedLoopState;
convertedLoopState = { loopOutParameters: loopOutParameters };
if (convertedOuterLoopState) {
if (convertedOuterLoopState.argumentsName) {
convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName;
}
if (convertedOuterLoopState.thisName) {
convertedLoopState.thisName = convertedOuterLoopState.thisName;
}
if (convertedOuterLoopState.hoistedLocalVariables) {
convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables;
}
}
write(" {");
writeLine();
increaseIndent();
if (bodyIsBlock) {
emitLines(node.statement.statements);
}
else {
emit(node.statement);
}
writeLine();
copyLoopOutParameters(convertedLoopState, 1, true);
decreaseIndent();
writeLine();
write("};");
writeLine();
if (loopOutParameters) {
write("var ");
for (var i = 0; i < loopOutParameters.length; i++) {
if (i !== 0) {
write(", ");
}
write(loopOutParameters[i].outParamName);
}
write(";");
writeLine();
}
if (convertedLoopState.argumentsName) {
if (convertedOuterLoopState) {
convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName;
}
else {
write("var " + convertedLoopState.argumentsName + " = arguments;");
writeLine();
}
}
if (convertedLoopState.thisName) {
if (convertedOuterLoopState) {
convertedOuterLoopState.thisName = convertedLoopState.thisName;
}
else {
write("var " + convertedLoopState.thisName + " = this;");
writeLine();
}
}
if (convertedLoopState.hoistedLocalVariables) {
if (convertedOuterLoopState) {
convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables;
}
else {
write("var ");
var seen = void 0;
for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) {
var id = _d[_c];
if (!seen) {
seen = ts.createMap();
}
else {
write(", ");
}
if (!(id.text in seen)) {
emit(id);
seen[id.text] = id.text;
}
}
write(";");
writeLine();
}
}
var currentLoopState = convertedLoopState;
convertedLoopState = convertedOuterLoopState;
return { functionName: functionName, paramList: paramList, state: currentLoopState };
function processVariableDeclaration(name) {
if (name.kind === 69) {
var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name)
? getGeneratedNameForNode(name)
: name.text;
loopParameters.push(nameText);
if (resolver.getNodeCheckFlags(name.parent) & 2097152) {
var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) };
(loopOutParameters || (loopOutParameters = [])).push(reassignedVariable);
}
}
else {
for (var _a = 0, _b = name.elements; _a < _b.length; _a++) {
var element = _b[_a];
processVariableDeclaration(element.name);
}
}
}
}
function emitNormalLoopBody(node, emitAsEmbeddedStatement) {
var saveAllowedNonLabeledJumps;
if (convertedLoopState) {
saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps;
convertedLoopState.allowedNonLabeledJumps = 2 | 4;
}
if (emitAsEmbeddedStatement) {
emitEmbeddedStatement(node.statement);
}
else if (node.statement.kind === 199) {
emitLines(node.statement.statements);
}
else {
writeLine();
emit(node.statement);
}
if (convertedLoopState) {
convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps;
}
}
function copyLoopOutParameters(state, copyDirection, emitAsStatements) {
if (state.loopOutParameters) {
for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) {
var outParam = _b[_a];
if (copyDirection === 0) {
emitIdentifier(outParam.originalName);
write(" = " + outParam.outParamName);
}
else {
write(outParam.outParamName + " = ");
emitIdentifier(outParam.originalName);
}
if (emitAsStatements) {
write(";");
writeLine();
}
else {
write(", ");
}
}
}
}
function emitConvertedLoopCall(loop, emitAsBlock) {
if (emitAsBlock) {
write(" {");
writeLine();
increaseIndent();
}
var isSimpleLoop = !(loop.state.nonLocalJumps & ~4) &&
!loop.state.labeledNonLocalBreaks &&
!loop.state.labeledNonLocalContinues;
var loopResult = makeUniqueName("state");
if (!isSimpleLoop) {
write("var " + loopResult + " = ");
}
write(loop.functionName + "(" + loop.paramList + ");");
writeLine();
copyLoopOutParameters(loop.state, 0, true);
if (!isSimpleLoop) {
writeLine();
if (loop.state.nonLocalJumps & 8) {
write("if (typeof " + loopResult + " === \"object\") ");
if (convertedLoopState) {
write("return " + loopResult + ";");
convertedLoopState.nonLocalJumps |= 8;
}
else {
write("return " + loopResult + ".value;");
}
writeLine();
}
if (loop.state.nonLocalJumps & 2) {
write("if (" + loopResult + " === \"break\") break;");
writeLine();
}
emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState);
}
if (emitAsBlock) {
writeLine();
decreaseIndent();
write("}");
}
function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) {
if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) {
return;
}
write("switch(" + loopResultVariable + ") {");
increaseIndent();
emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, true, loopResultVariable, outerLoop);
emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, false, loopResultVariable, outerLoop);
decreaseIndent();
writeLine();
write("}");
}
function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) {
if (!table) {
return;
}
for (var labelText in table) {
var labelMarker = table[labelText];
writeLine();
write("case \"" + labelMarker + "\": ");
if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) {
if (isBreak) {
write("break ");
}
else {
write("continue ");
}
write(labelText + ";");
}
else {
setLabeledJump(outerLoop, isBreak, labelText, labelMarker);
write("return " + loopResultVariable + ";");
}
}
}
}
function emitForStatement(node) {
emitLoop(node, emitForStatementWorker);
}
function emitForStatementWorker(node, loop) {
var endPos = emitToken(86, node.pos);
write(" ");
endPos = emitToken(17, endPos);
if (node.initializer && node.initializer.kind === 219) {
var variableDeclarationList = node.initializer;
var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList);
if (startIsEmitted) {
emitCommaList(variableDeclarationList.declarations);
}
else {
emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList);
}
}
else if (node.initializer) {
emit(node.initializer);
}
write(";");
emitOptional(" ", node.condition);
write(";");
emitOptional(" ", node.incrementor);
write(")");
if (loop) {
emitConvertedLoopCall(loop, true);
}
else {
emitNormalLoopBody(node, true);
}
}
function emitForInOrForOfStatement(node) {
if (languageVersion < 2 && node.kind === 208) {
emitLoop(node, emitDownLevelForOfStatementWorker);
}
else {
emitLoop(node, emitForInOrForOfStatementWorker);
}
}
function emitForInOrForOfStatementWorker(node, loop) {
var endPos = emitToken(86, node.pos);
write(" ");
endPos = emitToken(17, endPos);
if (node.initializer.kind === 219) {
var variableDeclarationList = node.initializer;
if (variableDeclarationList.declarations.length >= 1) {
tryEmitStartOfVariableDeclarationList(variableDeclarationList);
emit(variableDeclarationList.declarations[0]);
}
}
else {
emit(node.initializer);
}
if (node.kind === 207) {
write(" in ");
}
else {
write(" of ");
}
emit(node.expression);
emitToken(18, node.expression.end);
if (loop) {
emitConvertedLoopCall(loop, true);
}
else {
emitNormalLoopBody(node, true);
}
}
function emitDownLevelForOfStatementWorker(node, loop) {
var endPos = emitToken(86, node.pos);
write(" ");
endPos = emitToken(17, endPos);
var counter = createTempVariable(268435456);
var rhsReference = ts.createSynthesizedNode(69);
rhsReference.text = node.expression.kind === 69 ?
makeUniqueName(node.expression.text) :
makeTempVariableName(0);
emitStart(node.expression);
write("var ");
emitNodeWithoutSourceMap(counter);
write(" = 0");
emitEnd(node.expression);
write(", ");
emitStart(node.expression);
emitNodeWithoutSourceMap(rhsReference);
write(" = ");
emitNodeWithoutSourceMap(node.expression);
emitEnd(node.expression);
write("; ");
emitStart(node.expression);
emitNodeWithoutSourceMap(counter);
write(" < ");
emitNodeWithCommentsAndWithoutSourcemap(rhsReference);
write(".length");
emitEnd(node.expression);
write("; ");
emitStart(node.expression);
emitNodeWithoutSourceMap(counter);
write("++");
emitEnd(node.expression);
emitToken(18, node.expression.end);
write(" {");
writeLine();
increaseIndent();
var rhsIterationValue = createElementAccessExpression(rhsReference, counter);
emitStart(node.initializer);
if (node.initializer.kind === 219) {
write("var ");
var variableDeclarationList = node.initializer;
if (variableDeclarationList.declarations.length > 0) {
var declaration = variableDeclarationList.declarations[0];
if (ts.isBindingPattern(declaration.name)) {
emitDestructuring(declaration, false, rhsIterationValue);
}
else {
emitNodeWithCommentsAndWithoutSourcemap(declaration);
write(" = ");
emitNodeWithoutSourceMap(rhsIterationValue);
}
}
else {
emitNodeWithoutSourceMap(createTempVariable(0));
write(" = ");
emitNodeWithoutSourceMap(rhsIterationValue);
}
}
else {
var assignmentExpression = createBinaryExpression(node.initializer, 56, rhsIterationValue, false);
if (node.initializer.kind === 170 || node.initializer.kind === 171) {
emitDestructuring(assignmentExpression, true, undefined);
}
else {
emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression);
}
}
emitEnd(node.initializer);
write(";");
if (loop) {
writeLine();
emitConvertedLoopCall(loop, false);
}
else {
emitNormalLoopBody(node, false);
}
writeLine();
decreaseIndent();
write("}");
}
function emitBreakOrContinueStatement(node) {
if (convertedLoopState) {
var jump = node.kind === 210 ? 2 : 4;
var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) ||
(!node.label && (convertedLoopState.allowedNonLabeledJumps & jump));
if (!canUseBreakOrContinue) {
write("return ");
copyLoopOutParameters(convertedLoopState, 1, false);
if (!node.label) {
if (node.kind === 210) {
convertedLoopState.nonLocalJumps |= 2;
write("\"break\";");
}
else {
convertedLoopState.nonLocalJumps |= 4;
write("\"continue\";");
}
}
else {
var labelMarker = void 0;
if (node.kind === 210) {
labelMarker = "break-" + node.label.text;
setLabeledJump(convertedLoopState, true, node.label.text, labelMarker);
}
else {
labelMarker = "continue-" + node.label.text;
setLabeledJump(convertedLoopState, false, node.label.text, labelMarker);
}
write("\"" + labelMarker + "\";");
}
return;
}
}
emitToken(node.kind === 210 ? 70 : 75, node.pos);
emitOptional(" ", node.label);
write(";");
}
function emitReturnStatement(node) {
if (convertedLoopState) {
convertedLoopState.nonLocalJumps |= 8;
write("return { value: ");
if (node.expression) {
emit(node.expression);
}
else {
write("void 0");
}
write(" };");
return;
}
emitToken(94, node.pos);
emitOptional(" ", node.expression);
write(";");
}
function emitWithStatement(node) {
write("with (");
emit(node.expression);
write(")");
emitEmbeddedStatement(node.statement);
}
function emitSwitchStatement(node) {
var endPos = emitToken(96, node.pos);
write(" ");
emitToken(17, endPos);
emit(node.expression);
endPos = emitToken(18, node.expression.end);
write(" ");
var saveAllowedNonLabeledJumps;
if (convertedLoopState) {
saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps;
convertedLoopState.allowedNonLabeledJumps |= 2;
}
emitCaseBlock(node.caseBlock, endPos);
if (convertedLoopState) {
convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps;
}
}
function emitCaseBlock(node, startPos) {
emitToken(15, startPos);
increaseIndent();
emitLines(node.clauses);
decreaseIndent();
writeLine();
emitToken(16, node.clauses.end);
}
function nodeStartPositionsAreOnSameLine(node1, node2) {
return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) ===
ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos));
}
function nodeEndPositionsAreOnSameLine(node1, node2) {
return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) ===
ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end);
}
function nodeEndIsOnSameLineAsNodeStart(node1, node2) {
return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) ===
ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos));
}
function emitCaseOrDefaultClause(node) {
if (node.kind === 249) {
write("case ");
emit(node.expression);
write(":");
}
else {
write("default:");
}
if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) {
write(" ");
emit(node.statements[0]);
}
else {
increaseIndent();
emitLines(node.statements);
decreaseIndent();
}
}
function emitThrowStatement(node) {
write("throw ");
emit(node.expression);
write(";");
}
function emitTryStatement(node) {
write("try ");
emit(node.tryBlock);
emit(node.catchClause);
if (node.finallyBlock) {
writeLine();
write("finally ");
emit(node.finallyBlock);
}
}
function emitCatchClause(node) {
writeLine();
var endPos = emitToken(72, node.pos);
write(" ");
emitToken(17, endPos);
emit(node.variableDeclaration);
emitToken(18, node.variableDeclaration ? node.variableDeclaration.end : endPos);
write(" ");
emitBlock(node.block);
}
function emitDebuggerStatement(node) {
emitToken(76, node.pos);
write(";");
}
function emitLabelAndColon(node) {
emit(node.label);
write(": ");
}
function emitLabeledStatement(node) {
if (!ts.isIterationStatement(node.statement, false) || !shouldConvertLoopBody(node.statement)) {
emitLabelAndColon(node);
}
if (convertedLoopState) {
if (!convertedLoopState.labels) {
convertedLoopState.labels = ts.createMap();
}
convertedLoopState.labels[node.label.text] = node.label.text;
}
emit(node.statement);
if (convertedLoopState) {
convertedLoopState.labels[node.label.text] = undefined;
}
}
function getContainingModule(node) {
do {
node = node.parent;
} while (node && node.kind !== 225);
return node;
}
function emitContainingModuleName(node) {
var container = getContainingModule(node);
write(container ? getGeneratedNameForNode(container) : "exports");
}
function emitModuleMemberName(node) {
emitStart(node.name);
if (ts.getCombinedNodeFlags(node) & 1) {
var container = getContainingModule(node);
if (container) {
write(getGeneratedNameForNode(container));
write(".");
}
else if (modulekind !== ts.ModuleKind.ES6 && modulekind !== ts.ModuleKind.System) {
write("exports.");
}
}
emitNodeWithCommentsAndWithoutSourcemap(node.name);
emitEnd(node.name);
}
function createVoidZero() {
var zero = ts.createSynthesizedNode(8);
zero.text = "0";
var result = ts.createSynthesizedNode(183);
result.expression = zero;
return result;
}
function emitEs6ExportDefaultCompat(node) {
if (node.parent.kind === 256) {
ts.Debug.assert(!!(node.flags & 512) || node.kind === 235);
if (modulekind === ts.ModuleKind.CommonJS || modulekind === ts.ModuleKind.AMD || modulekind === ts.ModuleKind.UMD) {
if (!isEs6Module) {
if (languageVersion !== 0) {
write('Object.defineProperty(exports, "__esModule", { value: true });');
writeLine();
}
else {
write("exports.__esModule = true;");
writeLine();
}
}
}
}
}
function emitExportMemberAssignment(node) {
if (node.flags & 1) {
writeLine();
emitStart(node);
if (modulekind === ts.ModuleKind.System && node.parent === currentSourceFile) {
write(exportFunctionForFile + "(\"");
if (node.flags & 512) {
write("default");
}
else {
emitNodeWithCommentsAndWithoutSourcemap(node.name);
}
write("\", ");
emitDeclarationName(node);
write(")");
}
else {
if (node.flags & 512) {
emitEs6ExportDefaultCompat(node);
if (languageVersion === 0) {
write('exports["default"]');
}
else {
write("exports.default");
}
}
else {
emitModuleMemberName(node);
}
write(" = ");
emitDeclarationName(node);
}
emitEnd(node);
write(";");
}
}
function emitExportMemberAssignments(name) {
if (modulekind === ts.ModuleKind.System) {
return;
}
if (!exportEquals && exportSpecifiers && name.text in exportSpecifiers) {
for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) {
var specifier = _b[_a];
writeLine();
emitStart(specifier.name);
emitContainingModuleName(specifier);
write(".");
emitNodeWithCommentsAndWithoutSourcemap(specifier.name);
emitEnd(specifier.name);
write(" = ");
emitExpressionIdentifier(name);
write(";");
}
}
}
function emitExportSpecifierInSystemModule(specifier) {
ts.Debug.assert(modulekind === ts.ModuleKind.System);
if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) {
return;
}
writeLine();
emitStart(specifier.name);
write(exportFunctionForFile + "(\"");
emitNodeWithCommentsAndWithoutSourcemap(specifier.name);
write("\", ");
emitExpressionIdentifier(specifier.propertyName || specifier.name);
write(")");
emitEnd(specifier.name);
write(";");
}
function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) {
if (shouldEmitCommaBeforeAssignment) {
write(", ");
}
var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name);
if (exportChanged) {
write(exportFunctionForFile + "(\"");
emitNodeWithCommentsAndWithoutSourcemap(name);
write("\", ");
}
var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 218 || name.parent.kind === 169);
emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap);
withTemporaryNoSourceMap(function () {
if (isVariableDeclarationOrBindingElement) {
emitModuleMemberName(name.parent);
}
else {
emit(name);
}
write(" = ");
emit(value);
});
emitEnd(nodeForSourceMap, true);
if (exportChanged) {
write(")");
}
}
function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) {
var identifier = createTempVariable(0);
if (!canDefineTempVariablesInPlace) {
recordTempDeclaration(identifier);
}
emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent);
return identifier;
}
function isFirstVariableDeclaration(root) {
return root.kind === 218 &&
root.parent.kind === 219 &&
root.parent.declarations[0] === root;
}
function emitDestructuring(root, isAssignmentExpressionStatement, value) {
var emitCount = 0;
var canDefineTempVariablesInPlace = false;
if (root.kind === 218) {
var isExported = ts.getCombinedNodeFlags(root) & 1;
var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root);
canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind;
}
else if (root.kind === 142) {
canDefineTempVariablesInPlace = true;
}
if (root.kind === 187) {
emitAssignmentExpression(root);
}
else {
ts.Debug.assert(!isAssignmentExpressionStatement);
if (isFirstVariableDeclaration(root)) {
sourceMap.changeEmitSourcePos();
}
emitBindingElement(root, value);
}
function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) {
if (expr.kind === 69 && reuseIdentifierExpressions) {
return expr;
}
var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode);
emitCount++;
return identifier;
}
function createDefaultValueCheck(value, defaultValue, sourceMapNode) {
value = ensureIdentifier(value, true, sourceMapNode);
var equals = ts.createSynthesizedNode(187);
equals.left = value;
equals.operatorToken = ts.createSynthesizedNode(32);
equals.right = createVoidZero();
return createConditionalExpression(equals, defaultValue, value);
}
function createConditionalExpression(condition, whenTrue, whenFalse) {
var cond = ts.createSynthesizedNode(188);
cond.condition = condition;
cond.questionToken = ts.createSynthesizedNode(53);
cond.whenTrue = whenTrue;
cond.colonToken = ts.createSynthesizedNode(54);
cond.whenFalse = whenFalse;
return cond;
}
function createNumericLiteral(value) {
var node = ts.createSynthesizedNode(8);
node.text = "" + value;
return node;
}
function createPropertyAccessForDestructuringProperty(object, propName) {
var index;
var nameIsComputed = propName.kind === 140;
if (nameIsComputed) {
index = ensureIdentifier(propName.expression, false, propName);
}
else {
index = ts.createSynthesizedNode(propName.kind);
index.text = ts.unescapeIdentifier(propName.text);
}
return !nameIsComputed && index.kind === 69
? createPropertyAccessExpression(object, index)
: createElementAccessExpression(object, index);
}
function createSliceCall(value, sliceIndex) {
var call = ts.createSynthesizedNode(174);
var sliceIdentifier = ts.createSynthesizedNode(69);
sliceIdentifier.text = "slice";
call.expression = createPropertyAccessExpression(value, sliceIdentifier);
call.arguments = ts.createSynthesizedNodeArray();
call.arguments[0] = createNumericLiteral(sliceIndex);
return call;
}
function emitObjectLiteralAssignment(target, value, sourceMapNode) {
var properties = target.properties;
if (properties.length !== 1) {
value = ensureIdentifier(value, true, sourceMapNode);
}
for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) {
var p = properties_5[_a];
if (p.kind === 253 || p.kind === 254) {
var propName = p.name;
var target_1 = p.kind === 254 ? p : p.initializer || propName;
emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p);
}
}
}
function emitArrayLiteralAssignment(target, value, sourceMapNode) {
var elements = target.elements;
if (elements.length !== 1) {
value = ensureIdentifier(value, true, sourceMapNode);
}
for (var i = 0; i < elements.length; i++) {
var e = elements[i];
if (e.kind !== 193) {
if (e.kind !== 191) {
emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e);
}
else if (i === elements.length - 1) {
emitDestructuringAssignment(e.expression, createSliceCall(value, i), e);
}
}
}
}
function emitDestructuringAssignment(target, value, sourceMapNode) {
if (target.kind === 254) {
if (target.objectAssignmentInitializer) {
value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode);
}
target = target.name;
}
else if (target.kind === 187 && target.operatorToken.kind === 56) {
value = createDefaultValueCheck(value, target.right, sourceMapNode);
target = target.left;
}
if (target.kind === 171) {
emitObjectLiteralAssignment(target, value, sourceMapNode);
}
else if (target.kind === 170) {
emitArrayLiteralAssignment(target, value, sourceMapNode);
}
else {
emitAssignment(target, value, emitCount > 0, sourceMapNode);
emitCount++;
}
}
function emitAssignmentExpression(root) {
var target = root.left;
var value = root.right;
if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) {
emit(value);
}
else if (isAssignmentExpressionStatement) {
emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root);
}
else {
if (root.parent.kind !== 178) {
write("(");
}
value = ensureIdentifier(value, true, root);
emitDestructuringAssignment(target, value, root);
write(", ");
emit(value);
if (root.parent.kind !== 178) {
write(")");
}
}
}
function emitBindingElement(target, value) {
if (target.initializer) {
value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer;
}
else if (!value) {
value = createVoidZero();
}
if (ts.isBindingPattern(target.name)) {
var pattern = target.name;
var elements = pattern.elements;
var numElements = elements.length;
if (numElements !== 1) {
value = ensureIdentifier(value, numElements !== 0, target);
}
for (var i = 0; i < numElements; i++) {
var element = elements[i];
if (pattern.kind === 167) {
var propName = element.propertyName || element.name;
emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName));
}
else if (element.kind !== 193) {
if (!element.dotDotDotToken) {
emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i)));
}
else if (i === numElements - 1) {
emitBindingElement(element, createSliceCall(value, i));
}
}
}
}
else {
emitAssignment(target.name, value, emitCount > 0, target);
emitCount++;
}
}
}
function emitVariableDeclaration(node) {
if (ts.isBindingPattern(node.name)) {
var isExported = ts.getCombinedNodeFlags(node) & 1;
if (languageVersion >= 2 && (!isExported || modulekind === ts.ModuleKind.ES6)) {
var isTopLevelDeclarationInSystemModule = modulekind === ts.ModuleKind.System &&
shouldHoistVariable(node, true);
if (isTopLevelDeclarationInSystemModule) {
write("(");
}
emit(node.name);
emitOptional(" = ", node.initializer);
if (isTopLevelDeclarationInSystemModule) {
write(")");
}
}
else {
emitDestructuring(node, false);
}
}
else {
var initializer = node.initializer;
if (!initializer &&
languageVersion < 2 &&
node.name.kind === 69) {
var container = ts.getEnclosingBlockScopeContainer(node);
var flags = resolver.getNodeCheckFlags(node);
var isCapturedInFunction = flags & 131072;
var isDeclaredInLoop = flags & 262144;
var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) ||
(isCapturedInFunction && isDeclaredInLoop && container.kind === 199 && ts.isIterationStatement(container.parent, false));
var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 1024 &&
!emittedAsTopLevel;
var emitExplicitInitializer = emittedAsNestedLetDeclaration &&
container.kind !== 207 &&
container.kind !== 208 &&
(!resolver.isDeclarationWithCollidingName(node) ||
(isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, false)));
if (emitExplicitInitializer) {
initializer = createVoidZero();
}
}
var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name);
if (exportChanged) {
write(exportFunctionForFile + "(\"");
emitNodeWithCommentsAndWithoutSourcemap(node.name);
write("\", ");
}
emitModuleMemberName(node);
emitOptional(" = ", initializer);
if (exportChanged) {
write(")");
}
}
}
function emitExportVariableAssignments(node) {
if (node.kind === 193) {
return;
}
var name = node.name;
if (name.kind === 69) {
emitExportMemberAssignments(name);
}
else if (ts.isBindingPattern(name)) {
ts.forEach(name.elements, emitExportVariableAssignments);
}
}
function isES6ExportedDeclaration(node) {
return !!(node.flags & 1) &&
modulekind === ts.ModuleKind.ES6 &&
node.parent.kind === 256;
}
function emitVariableStatement(node) {
var startIsEmitted = false;
if (node.flags & 1) {
if (isES6ExportedDeclaration(node)) {
write("export ");
startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList);
}
}
else {
startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList);
}
if (startIsEmitted) {
emitCommaList(node.declarationList.declarations);
write(";");
}
else {
var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList);
if (atLeastOneItem) {
write(";");
}
}
if (modulekind !== ts.ModuleKind.ES6 && node.parent === currentSourceFile) {
ts.forEach(node.declarationList.declarations, emitExportVariableAssignments);
}
}
function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) {
if (!(node.flags & 1)) {
return true;
}
if (isES6ExportedDeclaration(node)) {
return true;
}
for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) {
var declaration = _b[_a];
if (declaration.initializer) {
return true;
}
}
return false;
}
function emitParameter(node) {
if (languageVersion < 2) {
if (ts.isBindingPattern(node.name)) {
var name_29 = createTempVariable(0);
if (!tempParameters) {
tempParameters = [];
}
tempParameters.push(name_29);
emit(name_29);
}
else {
emit(node.name);
}
}
else {
if (node.dotDotDotToken) {
write("...");
}
emit(node.name);
emitOptional(" = ", node.initializer);
}
}
function emitDefaultValueAssignments(node) {
if (languageVersion < 2) {
var tempIndex_1 = 0;
ts.forEach(node.parameters, function (parameter) {
if (parameter.dotDotDotToken) {
return;
}
var paramName = parameter.name, initializer = parameter.initializer;
if (ts.isBindingPattern(paramName)) {
var hasBindingElements = paramName.elements.length > 0;
if (hasBindingElements || initializer) {
writeLine();
write("var ");
if (hasBindingElements) {
emitDestructuring(parameter, false, tempParameters[tempIndex_1]);
}
else {
emit(tempParameters[tempIndex_1]);
write(" = ");
emit(initializer);
}
write(";");
}
tempIndex_1++;
}
else if (initializer) {
writeLine();
emitStart(parameter);
write("if (");
emitNodeWithoutSourceMap(paramName);
write(" === void 0)");
emitEnd(parameter);
write(" { ");
emitStart(parameter);
emitNodeWithCommentsAndWithoutSourcemap(paramName);
write(" = ");
emitNodeWithCommentsAndWithoutSourcemap(initializer);
emitEnd(parameter);
write("; }");
}
});
}
}
function emitRestParameter(node) {
if (languageVersion < 2 && ts.hasDeclaredRestParameter(node)) {
var restParam = node.parameters[node.parameters.length - 1];
if (ts.isBindingPattern(restParam.name)) {
return;
}
var skipThisCount = node.parameters.length && node.parameters[0].name.originalKeywordKind === 97 ? 1 : 0;
var restIndex = node.parameters.length - 1 - skipThisCount;
var tempName = createTempVariable(268435456).text;
writeLine();
emitLeadingComments(restParam);
emitStart(restParam);
write("var ");
emitNodeWithCommentsAndWithoutSourcemap(restParam.name);
write(" = [];");
emitEnd(restParam);
emitTrailingComments(restParam);
writeLine();
write("for (");
emitStart(restParam);
write("var " + tempName + " = " + restIndex + ";");
emitEnd(restParam);
write(" ");
emitStart(restParam);
write(tempName + " < arguments.length;");
emitEnd(restParam);
write(" ");
emitStart(restParam);
write(tempName + "++");
emitEnd(restParam);
write(") {");
increaseIndent();
writeLine();
emitStart(restParam);
emitNodeWithCommentsAndWithoutSourcemap(restParam.name);
write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];");
emitEnd(restParam);
decreaseIndent();
writeLine();
write("}");
}
}
function emitAccessor(node) {
write(node.kind === 149 ? "get " : "set ");
emit(node.name);
emitSignatureAndBody(node);
}
function shouldEmitAsArrowFunction(node) {
return node.kind === 180 && languageVersion >= 2;
}
function emitDeclarationName(node) {
if (node.name) {
emitNodeWithCommentsAndWithoutSourcemap(node.name);
}
else {
write(getGeneratedNameForNode(node));
}
}
function shouldEmitFunctionName(node) {
if (node.kind === 179) {
return !!node.name;
}
if (node.kind === 220) {
return !!node.name || modulekind !== ts.ModuleKind.ES6;
}
}
function emitFunctionDeclaration(node) {
if (ts.nodeIsMissing(node.body)) {
return emitCommentsOnNotEmittedNode(node);
}
var kind = node.kind, parent = node.parent;
if (kind !== 147 &&
kind !== 146 &&
parent &&
parent.kind !== 253 &&
parent.kind !== 174 &&
parent.kind !== 170) {
emitLeadingComments(node);
}
emitStart(node);
if (!shouldEmitAsArrowFunction(node)) {
if (isES6ExportedDeclaration(node)) {
write("export ");
if (node.flags & 512) {
write("default ");
}
}
write("function");
if (languageVersion >= 2 && node.asteriskToken) {
write("*");
}
write(" ");
}
if (shouldEmitFunctionName(node)) {
emitDeclarationName(node);
}
emitSignatureAndBody(node);
if (modulekind !== ts.ModuleKind.ES6 && kind === 220 && parent === currentSourceFile && node.name) {
emitExportMemberAssignments(node.name);
}
emitEnd(node);
if (kind !== 147 &&
kind !== 146 &&
kind !== 180) {
emitTrailingComments(node);
}
}
function emitCaptureThisForNodeIfNecessary(node) {
if (resolver.getNodeCheckFlags(node) & 4) {
writeLine();
emitStart(node);
write("var _this = this;");
emitEnd(node);
}
}
function emitSignatureParameters(node) {
increaseIndent();
write("(");
if (node) {
var parameters = node.parameters;
var skipCount = node.parameters.length && node.parameters[0].name.originalKeywordKind === 97 ? 1 : 0;
var omitCount = languageVersion < 2 && ts.hasDeclaredRestParameter(node) ? 1 : 0;
emitList(parameters, skipCount, parameters.length - omitCount - skipCount, false, false);
}
write(")");
decreaseIndent();
}
function emitSignatureParametersForArrow(node) {
if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) {
emit(node.parameters[0]);
return;
}
emitSignatureParameters(node);
}
function emitAsyncFunctionBodyForES6(node) {
var promiseConstructor = ts.getEntityNameFromTypeNode(node.type);
var isArrowFunction = node.kind === 180;
var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0;
if (!isArrowFunction) {
write(" {");
increaseIndent();
writeLine();
if (resolver.getNodeCheckFlags(node) & 4096) {
writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);");
writeLine();
}
else if (resolver.getNodeCheckFlags(node) & 2048) {
write("const _super = name => super[name];");
writeLine();
}
write("return");
}
write(" __awaiter(this");
if (hasLexicalArguments) {
write(", arguments, ");
}
else {
write(", void 0, ");
}
if (languageVersion >= 2 || !promiseConstructor) {
write("void 0");
}
else {
emitEntityNameAsExpression(promiseConstructor, false);
}
write(", function* ()");
emitFunctionBody(node);
write(")");
if (!isArrowFunction) {
write(";");
decreaseIndent();
writeLine();
write("}");
}
}
function emitFunctionBody(node) {
if (!node.body) {
write(" { }");
}
else {
if (node.body.kind === 199) {
emitBlockFunctionBody(node, node.body);
}
else {
emitExpressionFunctionBody(node, node.body);
}
}
}
function emitSignatureAndBody(node) {
var saveConvertedLoopState = convertedLoopState;
var saveTempFlags = tempFlags;
var saveTempVariables = tempVariables;
var saveTempParameters = tempParameters;
convertedLoopState = undefined;
tempFlags = 0;
tempVariables = undefined;
tempParameters = undefined;
if (shouldEmitAsArrowFunction(node)) {
emitSignatureParametersForArrow(node);
write(" =>");
}
else {
emitSignatureParameters(node);
}
var isAsync = ts.isAsyncFunctionLike(node);
if (isAsync) {
emitAsyncFunctionBodyForES6(node);
}
else {
emitFunctionBody(node);
}
if (!isES6ExportedDeclaration(node)) {
emitExportMemberAssignment(node);
}
ts.Debug.assert(convertedLoopState === undefined);
convertedLoopState = saveConvertedLoopState;
tempFlags = saveTempFlags;
tempVariables = saveTempVariables;
tempParameters = saveTempParameters;
}
function emitFunctionBodyPreamble(node) {
emitCaptureThisForNodeIfNecessary(node);
emitDefaultValueAssignments(node);
emitRestParameter(node);
}
function emitExpressionFunctionBody(node, body) {
if (languageVersion < 2 || node.flags & 256) {
emitDownLevelExpressionFunctionBody(node, body);
return;
}
write(" ");
var current = body;
while (current.kind === 177) {
current = current.expression;
}
emitParenthesizedIf(body, current.kind === 171);
}
function emitDownLevelExpressionFunctionBody(node, body) {
write(" {");
increaseIndent();
var outPos = writer.getTextPos();
emitDetachedCommentsAndUpdateCommentsInfo(node.body);
emitFunctionBodyPreamble(node);
var preambleEmitted = writer.getTextPos() !== outPos;
decreaseIndent();
if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) {
write(" ");
emitStart(body);
write("return ");
emit(body);
emitEnd(body);
write(";");
emitTempDeclarations(false);
write(" ");
}
else {
increaseIndent();
writeLine();
emitLeadingComments(node.body);
emitStart(body);
write("return ");
emit(body);
emitEnd(body);
write(";");
emitTrailingComments(node.body);
emitTempDeclarations(true);
decreaseIndent();
writeLine();
}
emitStart(node.body);
write("}");
emitEnd(node.body);
}
function emitBlockFunctionBody(node, body) {
write(" {");
var initialTextPos = writer.getTextPos();
increaseIndent();
emitDetachedCommentsAndUpdateCommentsInfo(body.statements);
var startIndex = emitDirectivePrologues(body.statements, true);
emitFunctionBodyPreamble(node);
decreaseIndent();
var preambleEmitted = writer.getTextPos() !== initialTextPos;
if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) {
for (var _a = 0, _b = body.statements; _a < _b.length; _a++) {
var statement = _b[_a];
write(" ");
emit(statement);
}
emitTempDeclarations(false);
write(" ");
emitLeadingCommentsOfPosition(body.statements.end);
}
else {
increaseIndent();
emitLinesStartingAt(body.statements, startIndex);
emitTempDeclarations(true);
writeLine();
emitLeadingCommentsOfPosition(body.statements.end);
decreaseIndent();
}
emitToken(16, body.statements.end);
}
function getSuperCallAtGivenIndex(ctor, index) {
if (!ctor.body) {
return undefined;
}
var statements = ctor.body.statements;
if (!statements || index >= statements.length) {
return undefined;
}
var statement = statements[index];
if (statement.kind === 202) {
return ts.isSuperCallExpression(statement.expression) ? statement : undefined;
}
}
function emitParameterPropertyAssignments(node) {
ts.forEach(node.parameters, function (param) {
if (param.flags & 92) {
writeLine();
emitStart(param);
emitStart(param.name);
write("this.");
emitNodeWithoutSourceMap(param.name);
emitEnd(param.name);
write(" = ");
emit(param.name);
write(";");
emitEnd(param);
}
});
}
function emitMemberAccessForPropertyName(memberName) {
if (memberName.kind === 9 || memberName.kind === 8) {
write("[");
emitNodeWithCommentsAndWithoutSourcemap(memberName);
write("]");
}
else if (memberName.kind === 140) {
emitComputedPropertyName(memberName);
}
else {
write(".");
emitNodeWithCommentsAndWithoutSourcemap(memberName);
}
}
function getInitializedProperties(node, isStatic) {
var properties = [];
for (var _a = 0, _b = node.members; _a < _b.length; _a++) {
var member = _b[_a];
if (member.kind === 145 && isStatic === ((member.flags & 32) !== 0) && member.initializer) {
properties.push(member);
}
}
return properties;
}
function emitPropertyDeclarations(node, properties) {
for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) {
var property = properties_6[_a];
emitPropertyDeclaration(node, property);
}
}
function emitPropertyDeclaration(node, property, receiver, isExpression) {
writeLine();
emitLeadingComments(property);
emitStart(property);
emitStart(property.name);
if (receiver) {
write(receiver);
}
else {
if (property.flags & 32) {
emitDeclarationName(node);
}
else {
write("this");
}
}
emitMemberAccessForPropertyName(property.name);
emitEnd(property.name);
write(" = ");
emit(property.initializer);
if (!isExpression) {
write(";");
}
emitEnd(property);
emitTrailingComments(property);
}
function emitMemberFunctionsForES5AndLower(node) {
ts.forEach(node.members, function (member) {
if (member.kind === 198) {
writeLine();
write(";");
}
else if (member.kind === 147 || node.kind === 146) {
if (!member.body) {
return emitCommentsOnNotEmittedNode(member);
}
writeLine();
emitLeadingComments(member);
emitStart(member);
emitStart(member.name);
emitClassMemberPrefix(node, member);
emitMemberAccessForPropertyName(member.name);
emitEnd(member.name);
write(" = ");
emitFunctionDeclaration(member);
emitEnd(member);
write(";");
emitTrailingComments(member);
}
else if (member.kind === 149 || member.kind === 150) {
var accessors = ts.getAllAccessorDeclarations(node.members, member);
if (member === accessors.firstAccessor) {
writeLine();
emitStart(member);
write("Object.defineProperty(");
emitStart(member.name);
emitClassMemberPrefix(node, member);
write(", ");
emitExpressionForPropertyName(member.name);
emitEnd(member.name);
write(", {");
increaseIndent();
if (accessors.getAccessor) {
writeLine();
emitLeadingComments(accessors.getAccessor);
write("get: ");
emitStart(accessors.getAccessor);
write("function ");
emitSignatureAndBody(accessors.getAccessor);
emitEnd(accessors.getAccessor);
emitTrailingComments(accessors.getAccessor);
write(",");
}
if (accessors.setAccessor) {
writeLine();
emitLeadingComments(accessors.setAccessor);
write("set: ");
emitStart(accessors.setAccessor);
write("function ");
emitSignatureAndBody(accessors.setAccessor);
emitEnd(accessors.setAccessor);
emitTrailingComments(accessors.setAccessor);
write(",");
}
writeLine();
write("enumerable: true,");
writeLine();
write("configurable: true");
decreaseIndent();
writeLine();
write("});");
emitEnd(member);
}
}
});
}
function emitMemberFunctionsForES6AndHigher(node) {
for (var _a = 0, _b = node.members; _a < _b.length; _a++) {
var member = _b[_a];
if ((member.kind === 147 || node.kind === 146) && !member.body) {
emitCommentsOnNotEmittedNode(member);
}
else if (member.kind === 147 ||
member.kind === 149 ||
member.kind === 150) {
writeLine();
emitLeadingComments(member);
emitStart(member);
if (member.flags & 32) {
write("static ");
}
if (member.kind === 149) {
write("get ");
}
else if (member.kind === 150) {
write("set ");
}
if (member.asteriskToken) {
write("*");
}
emit(member.name);
emitSignatureAndBody(member);
emitEnd(member);
emitTrailingComments(member);
}
else if (member.kind === 198) {
writeLine();
write(";");
}
}
}
function emitConstructor(node, baseTypeElement) {
var saveConvertedLoopState = convertedLoopState;
var saveTempFlags = tempFlags;
var saveTempVariables = tempVariables;
var saveTempParameters = tempParameters;
convertedLoopState = undefined;
tempFlags = 0;
tempVariables = undefined;
tempParameters = undefined;
emitConstructorWorker(node, baseTypeElement);
ts.Debug.assert(convertedLoopState === undefined);
convertedLoopState = saveConvertedLoopState;
tempFlags = saveTempFlags;
tempVariables = saveTempVariables;
tempParameters = saveTempParameters;
}
function emitConstructorWorker(node, baseTypeElement) {
var hasInstancePropertyWithInitializer = false;
ts.forEach(node.members, function (member) {
if (member.kind === 148 && !member.body) {
emitCommentsOnNotEmittedNode(member);
}
if (member.kind === 145 && member.initializer && (member.flags & 32) === 0) {
hasInstancePropertyWithInitializer = true;
}
});
var ctor = ts.getFirstConstructorWithBody(node);
if (languageVersion >= 2 && !ctor && !hasInstancePropertyWithInitializer) {
return;
}
if (ctor) {
emitLeadingComments(ctor);
}
emitStart(ctor || node);
if (languageVersion < 2) {
write("function ");
emitDeclarationName(node);
emitSignatureParameters(ctor);
}
else {
write("constructor");
if (ctor) {
emitSignatureParameters(ctor);
}
else {
write("()");
}
}
var startIndex = 0;
write(" {");
increaseIndent();
if (ctor) {
startIndex = emitDirectivePrologues(ctor.body.statements, true);
emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements);
}
emitCaptureThisForNodeIfNecessary(node);
var superCall;
if (ctor) {
emitDefaultValueAssignments(ctor);
emitRestParameter(ctor);
if (baseTypeElement) {
superCall = getSuperCallAtGivenIndex(ctor, startIndex);
if (superCall) {
writeLine();
emit(superCall);
}
}
emitParameterPropertyAssignments(ctor);
}
else {
if (baseTypeElement) {
writeLine();
emitStart(baseTypeElement);
if (languageVersion < 2) {
write("_super.apply(this, arguments);");
}
else {
write("super(...arguments);");
}
emitEnd(baseTypeElement);
}
}
emitPropertyDeclarations(node, getInitializedProperties(node, false));
if (ctor) {
var statements = ctor.body.statements;
if (superCall) {
statements = statements.slice(1);
}
emitLinesStartingAt(statements, startIndex);
}
emitTempDeclarations(true);
writeLine();
if (ctor) {
emitLeadingCommentsOfPosition(ctor.body.statements.end);
}
decreaseIndent();
emitToken(16, ctor ? ctor.body.statements.end : node.members.end);
emitEnd(ctor || node);
if (ctor) {
emitTrailingComments(ctor);
}
}
function emitClassExpression(node) {
return emitClassLikeDeclaration(node);
}
function emitClassDeclaration(node) {
return emitClassLikeDeclaration(node);
}
function emitClassLikeDeclaration(node) {
if (languageVersion < 2) {
emitClassLikeDeclarationBelowES6(node);
}
else {
emitClassLikeDeclarationForES6AndHigher(node);
}
if (modulekind !== ts.ModuleKind.ES6 && node.parent === currentSourceFile && node.name) {
emitExportMemberAssignments(node.name);
}
}
function emitClassLikeDeclarationForES6AndHigher(node) {
var decoratedClassAlias;
var isHoistedDeclarationInSystemModule = shouldHoistDeclarationInSystemJsModule(node);
var isDecorated = ts.nodeIsDecorated(node);
var rewriteAsClassExpression = isDecorated || isHoistedDeclarationInSystemModule;
if (node.kind === 221) {
if (rewriteAsClassExpression) {
if (isDecorated && resolver.getNodeCheckFlags(node) & 524288) {
decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default"));
decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias;
}
if (isES6ExportedDeclaration(node) && !(node.flags & 512) && decoratedClassAlias === undefined) {
write("export ");
}
if (decoratedClassAlias !== undefined) {
write("let " + decoratedClassAlias);
}
else {
if (!isHoistedDeclarationInSystemModule) {
write("let ");
}
emitDeclarationName(node);
}
write(" = ");
}
else if (isES6ExportedDeclaration(node)) {
write("export ");
if (node.flags & 512) {
write("default ");
}
}
}
var staticProperties = getInitializedProperties(node, true);
var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 192;
var generatedName;
if (isClassExpressionWithStaticProperties) {
generatedName = node.name ? getGeneratedNameForNode(node.name) : makeUniqueName("classExpression");
var synthesizedNode = ts.createSynthesizedNode(69);
synthesizedNode.text = generatedName;
recordTempDeclaration(synthesizedNode);
write("(");
increaseIndent();
emit(synthesizedNode);
write(" = ");
}
write("class");
if (node.name || (node.flags & 512 && (staticProperties.length > 0 || modulekind !== ts.ModuleKind.ES6) && !rewriteAsClassExpression)) {
write(" ");
emitDeclarationName(node);
}
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node);
if (baseTypeNode) {
write(" extends ");
emit(baseTypeNode.expression);
}
write(" {");
increaseIndent();
writeLine();
emitConstructor(node, baseTypeNode);
emitMemberFunctionsForES6AndHigher(node);
decreaseIndent();
writeLine();
emitToken(16, node.members.end);
if (rewriteAsClassExpression) {
if (decoratedClassAlias !== undefined) {
write(";");
writeLine();
if (isES6ExportedDeclaration(node) && !(node.flags & 512)) {
write("export ");
}
write("let ");
emitDeclarationName(node);
write(" = " + decoratedClassAlias);
}
decoratedClassAliases[ts.getNodeId(node)] = undefined;
write(";");
}
if (isClassExpressionWithStaticProperties) {
for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) {
var property = staticProperties_1[_a];
write(",");
writeLine();
emitPropertyDeclaration(node, property, generatedName, true);
}
write(",");
writeLine();
write(generatedName);
decreaseIndent();
write(")");
}
else {
writeLine();
emitPropertyDeclarations(node, staticProperties);
emitDecoratorsOfClass(node, decoratedClassAlias);
}
if (!(node.flags & 1)) {
return;
}
if (modulekind !== ts.ModuleKind.ES6) {
emitExportMemberAssignment(node);
}
else {
if (node.flags & 512) {
if (isDecorated) {
writeLine();
write("export default ");
emitDeclarationName(node);
write(";");
}
}
else if (node.parent.kind !== 256) {
writeLine();
emitStart(node);
emitModuleMemberName(node);
write(" = ");
emitDeclarationName(node);
emitEnd(node);
write(";");
}
}
}
function emitClassLikeDeclarationBelowES6(node) {
var isES6ExportedClass = isES6ExportedDeclaration(node);
if (node.kind === 221) {
if (isES6ExportedClass && !(node.flags & 512)) {
write("export ");
}
if (!shouldHoistDeclarationInSystemJsModule(node)) {
write("var ");
}
emitDeclarationName(node);
write(" = ");
}
write("(function (");
var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node);
if (baseTypeNode) {
write("_super");
}
write(") {");
var saveTempFlags = tempFlags;
var saveTempVariables = tempVariables;
var saveTempParameters = tempParameters;
var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames;
var saveConvertedLoopState = convertedLoopState;
convertedLoopState = undefined;
tempFlags = 0;
tempVariables = undefined;
tempParameters = undefined;
computedPropertyNamesToGeneratedNames = undefined;
increaseIndent();
if (baseTypeNode) {
writeLine();
emitStart(baseTypeNode);
write("__extends(");
emitDeclarationName(node);
write(", _super);");
emitEnd(baseTypeNode);
}
writeLine();
emitConstructor(node, baseTypeNode);
emitMemberFunctionsForES5AndLower(node);
emitPropertyDeclarations(node, getInitializedProperties(node, true));
writeLine();
emitDecoratorsOfClass(node, undefined);
writeLine();
emitToken(16, node.members.end, function () {
write("return ");
emitDeclarationName(node);
});
write(";");
emitTempDeclarations(true);
ts.Debug.assert(convertedLoopState === undefined);
convertedLoopState = saveConvertedLoopState;
tempFlags = saveTempFlags;
tempVariables = saveTempVariables;
tempParameters = saveTempParameters;
computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames;
decreaseIndent();
writeLine();
emitToken(16, node.members.end);
emitStart(node);
write("(");
if (baseTypeNode) {
emit(baseTypeNode.expression);
}
write("))");
if (node.kind === 221) {
write(";");
}
emitEnd(node);
if (node.kind === 221 && !isES6ExportedClass) {
emitExportMemberAssignment(node);
}
else if (isES6ExportedClass && (node.flags & 512)) {
writeLine();
write("export default ");
emitDeclarationName(node);
write(";");
}
}
function emitClassMemberPrefix(node, member) {
emitDeclarationName(node);
if (!(member.flags & 32)) {
write(".prototype");
}
}
function emitDecoratorsOfClass(node, decoratedClassAlias) {
emitDecoratorsOfMembers(node, 0);
emitDecoratorsOfMembers(node, 32);
emitDecoratorsOfConstructor(node, decoratedClassAlias);
}
function emitDecoratorsOfConstructor(node, decoratedClassAlias) {
var decorators = node.decorators;
var constructor = ts.getFirstConstructorWithBody(node);
var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; });
if (!decorators && !firstParameterDecorator) {
return;
}
writeLine();
emitStart(node.decorators || firstParameterDecorator);
emitDeclarationName(node);
if (decoratedClassAlias !== undefined) {
write(" = " + decoratedClassAlias);
}
write(" = __decorate([");
increaseIndent();
writeLine();
var decoratorCount = decorators ? decorators.length : 0;
var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); });
if (firstParameterDecorator) {
argumentsWritten += emitDecoratorsOfParameters(constructor, argumentsWritten > 0);
}
emitSerializedTypeMetadata(node, argumentsWritten >= 0);
decreaseIndent();
writeLine();
write("], ");
emitDeclarationName(node);
write(")");
emitEnd(node.decorators || firstParameterDecorator);
write(";");
writeLine();
}
function emitDecoratorsOfMembers(node, staticFlag) {
for (var _a = 0, _b = node.members; _a < _b.length; _a++) {
var member = _b[_a];
if ((member.flags & 32) !== staticFlag) {
continue;
}
if (!ts.nodeCanBeDecorated(member)) {
continue;
}
var decorators = void 0;
var functionLikeMember = void 0;
if (ts.isAccessor(member)) {
var accessors = ts.getAllAccessorDeclarations(node.members, member);
if (member !== accessors.firstAccessor) {
continue;
}
decorators = accessors.firstAccessor.decorators;
if (!decorators && accessors.secondAccessor) {
decorators = accessors.secondAccessor.decorators;
}
functionLikeMember = accessors.setAccessor;
}
else {
decorators = member.decorators;
if (member.kind === 147) {
functionLikeMember = member;
}
}
var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; });
if (!decorators && !firstParameterDecorator) {
continue;
}
writeLine();
emitStart(decorators || firstParameterDecorator);
write("__decorate([");
increaseIndent();
writeLine();
var decoratorCount = decorators ? decorators.length : 0;
var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); });
if (firstParameterDecorator) {
argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0);
}
emitSerializedTypeMetadata(member, argumentsWritten > 0);
decreaseIndent();
writeLine();
write("], ");
emitClassMemberPrefix(node, member);
write(", ");
emitExpressionForPropertyName(member.name);
if (languageVersion > 0) {
if (member.kind !== 145) {
write(", null");
}
else {
write(", void 0");
}
}
write(")");
emitEnd(decorators || firstParameterDecorator);
write(";");
writeLine();
}
}
function emitDecoratorsOfParameters(node, leadingComma) {
var argumentsWritten = 0;
if (node) {
var parameterIndex_1 = 0;
for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) {
var parameter = _b[_a];
if (ts.nodeIsDecorated(parameter)) {
var decorators = parameter.decorators;
argumentsWritten += emitList(decorators, 0, decorators.length, true, false, leadingComma, true, function (decorator) {
write("__param(" + parameterIndex_1 + ", ");
emit(decorator.expression);
write(")");
});
leadingComma = true;
}
parameterIndex_1++;
}
}
return argumentsWritten;
}
function shouldEmitTypeMetadata(node) {
switch (node.kind) {
case 147:
case 149:
case 150:
case 145:
return true;
}
return false;
}
function shouldEmitReturnTypeMetadata(node) {
switch (node.kind) {
case 147:
return true;
}
return false;
}
function shouldEmitParamTypesMetadata(node) {
switch (node.kind) {
case 221:
case 147:
case 150:
return true;
}
return false;
}
function emitSerializedTypeOfNode(node) {
switch (node.kind) {
case 221:
write("Function");
return;
case 145:
emitSerializedTypeNode(node.type);
return;
case 142:
emitSerializedTypeNode(node.type);
return;
case 149:
emitSerializedTypeNode(node.type);
return;
case 150:
emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node));
return;
}
if (ts.isFunctionLike(node)) {
write("Function");
return;
}
write("void 0");
}
function emitSerializedTypeNode(node) {
if (node) {
switch (node.kind) {
case 103:
write("void 0");
return;
case 164:
emitSerializedTypeNode(node.type);
return;
case 156:
case 157:
write("Function");
return;
case 160:
case 161:
write("Array");
return;
case 154:
case 120:
write("Boolean");
return;
case 132:
case 166:
write("String");
return;
case 130:
write("Number");
return;
case 133:
write("Symbol");
return;
case 155:
emitSerializedTypeReferenceNode(node);
return;
case 158:
case 159:
case 162:
case 163:
case 117:
case 165:
break;
default:
ts.Debug.fail("Cannot serialize unexpected type node.");
break;
}
}
write("Object");
}
function emitSerializedTypeReferenceNode(node) {
var location = node.parent;
while (ts.isDeclaration(location) || ts.isTypeNode(location)) {
location = location.parent;
}
var typeName = ts.cloneEntityName(node.typeName, location);
var result = resolver.getTypeReferenceSerializationKind(typeName);
switch (result) {
case ts.TypeReferenceSerializationKind.Unknown:
var temp = createAndRecordTempVariable(0);
write("(typeof (");
emitNodeWithoutSourceMap(temp);
write(" = ");
emitEntityNameAsExpression(typeName, true);
write(") === 'function' && ");
emitNodeWithoutSourceMap(temp);
write(") || Object");
break;
case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue:
emitEntityNameAsExpression(typeName, false);
break;
case ts.TypeReferenceSerializationKind.VoidType:
write("void 0");
break;
case ts.TypeReferenceSerializationKind.BooleanType:
write("Boolean");
break;
case ts.TypeReferenceSerializationKind.NumberLikeType:
write("Number");
break;
case ts.TypeReferenceSerializationKind.StringLikeType:
write("String");
break;
case ts.TypeReferenceSerializationKind.ArrayLikeType:
write("Array");
break;
case ts.TypeReferenceSerializationKind.ESSymbolType:
if (languageVersion < 2) {
write("typeof Symbol === 'function' ? Symbol : Object");
}
else {
write("Symbol");
}
break;
case ts.TypeReferenceSerializationKind.TypeWithCallSignature:
write("Function");
break;
case ts.TypeReferenceSerializationKind.ObjectType:
write("Object");
break;
}
}
function emitSerializedParameterTypesOfNode(node) {
if (node) {
var valueDeclaration = void 0;
if (node.kind === 221) {
valueDeclaration = ts.getFirstConstructorWithBody(node);
}
else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) {
valueDeclaration = node;
}
if (valueDeclaration) {
var parameters = valueDeclaration.parameters;
var skipThisCount = parameters.length && parameters[0].name.originalKeywordKind === 97 ? 1 : 0;
var parameterCount = parameters.length;
if (parameterCount > skipThisCount) {
for (var i = skipThisCount; i < parameterCount; i++) {
if (i > skipThisCount) {
write(", ");
}
if (parameters[i].dotDotDotToken) {
var parameterType = parameters[i].type;
if (parameterType && parameterType.kind === 160) {
parameterType = parameterType.elementType;
}
else if (parameterType && parameterType.kind === 155 && parameterType.typeArguments && parameterType.typeArguments.length === 1) {
parameterType = parameterType.typeArguments[0];
}
else {
parameterType = undefined;
}
emitSerializedTypeNode(parameterType);
}
else {
emitSerializedTypeOfNode(parameters[i]);
}
}
}
}
}
}
function emitSerializedReturnTypeOfNode(node) {
if (node && ts.isFunctionLike(node)) {
if (node.type) {
emitSerializedTypeNode(node.type);
return;
}
else if (ts.isAsyncFunctionLike(node)) {
write("Promise");
return;
}
}
write("void 0");
}
function emitSerializedTypeMetadata(node, writeComma) {
var argumentsWritten = 0;
if (compilerOptions.emitDecoratorMetadata) {
if (shouldEmitTypeMetadata(node)) {
if (writeComma) {
write(", ");
}
writeLine();
write("__metadata('design:type', ");
emitSerializedTypeOfNode(node);
write(")");
argumentsWritten++;
}
if (shouldEmitParamTypesMetadata(node)) {
if (writeComma || argumentsWritten) {
write(", ");
}
writeLine();
write("__metadata('design:paramtypes', [");
emitSerializedParameterTypesOfNode(node);
write("])");
argumentsWritten++;
}
if (shouldEmitReturnTypeMetadata(node)) {
if (writeComma || argumentsWritten) {
write(", ");
}
writeLine();
write("__metadata('design:returntype', ");
emitSerializedReturnTypeOfNode(node);
write(")");
argumentsWritten++;
}
}
return argumentsWritten;
}
function emitInterfaceDeclaration(node) {
emitCommentsOnNotEmittedNode(node);
}
function shouldEmitEnumDeclaration(node) {
var isConstEnum = ts.isConst(node);
return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules;
}
function emitEnumDeclaration(node) {
if (!shouldEmitEnumDeclaration(node)) {
return;
}
if (!shouldHoistDeclarationInSystemJsModule(node)) {
var isES6ExportedEnum = isES6ExportedDeclaration(node);
if (!(node.flags & 1) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 224))) {
emitStart(node);
if (isES6ExportedEnum) {
write("export ");
}
write("var ");
emit(node.name);
emitEnd(node);
write(";");
}
}
writeLine();
emitStart(node);
write("(function (");
emitStart(node.name);
write(getGeneratedNameForNode(node));
emitEnd(node.name);
write(") {");
increaseIndent();
emitLines(node.members);
decreaseIndent();
writeLine();
emitToken(16, node.members.end);
write(")(");
emitModuleMemberName(node);
write(" || (");
emitModuleMemberName(node);
write(" = {}));");
emitEnd(node);
if (!isES6ExportedDeclaration(node) && node.flags & 1 && !shouldHoistDeclarationInSystemJsModule(node)) {
writeLine();
emitStart(node);
write("var ");
emit(node.name);
write(" = ");
emitModuleMemberName(node);
emitEnd(node);
write(";");
}
if (modulekind !== ts.ModuleKind.ES6 && node.parent === currentSourceFile) {
if (modulekind === ts.ModuleKind.System && (node.flags & 1)) {
writeLine();
write(exportFunctionForFile + "(\"");
emitDeclarationName(node);
write("\", ");
emitDeclarationName(node);
write(");");
}
emitExportMemberAssignments(node.name);
}
}
function emitEnumMember(node) {
var enumParent = node.parent;
emitStart(node);
write(getGeneratedNameForNode(enumParent));
write("[");
write(getGeneratedNameForNode(enumParent));
write("[");
emitExpressionForPropertyName(node.name);
write("] = ");
writeEnumMemberDeclarationValue(node);
write("] = ");
emitExpressionForPropertyName(node.name);
emitEnd(node);
write(";");
}
function writeEnumMemberDeclarationValue(member) {
var value = resolver.getConstantValue(member);
if (value !== undefined) {
write(value.toString());
return;
}
else if (member.initializer) {
emit(member.initializer);
}
else {
write("undefined");
}
}
function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) {
if (moduleDeclaration.body && moduleDeclaration.body.kind === 225) {
var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body);
return recursiveInnerModule || moduleDeclaration.body;
}
}
function shouldEmitModuleDeclaration(node) {
return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules);
}
function isModuleMergedWithES6Class(node) {
return languageVersion === 2 && !!(resolver.getNodeCheckFlags(node) & 32768);
}
function isFirstDeclarationOfKind(node, declarations, kind) {
return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; });
}
function emitModuleDeclaration(node) {
var shouldEmit = shouldEmitModuleDeclaration(node);
if (!shouldEmit) {
return emitCommentsOnNotEmittedNode(node);
}
var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node);
var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node);
if (emitVarForModule) {
var isES6ExportedNamespace = isES6ExportedDeclaration(node);
if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 225)) {
emitStart(node);
if (isES6ExportedNamespace) {
write("export ");
}
write("var ");
emit(node.name);
write(";");
emitEnd(node);
writeLine();
}
}
emitStart(node);
write("(function (");
emitStart(node.name);
write(getGeneratedNameForNode(node));
emitEnd(node.name);
write(") ");
ts.Debug.assert(node.body !== undefined);
if (node.body.kind === 226) {
var saveConvertedLoopState = convertedLoopState;
var saveTempFlags = tempFlags;
var saveTempVariables = tempVariables;
convertedLoopState = undefined;
tempFlags = 0;
tempVariables = undefined;
emit(node.body);
ts.Debug.assert(convertedLoopState === undefined);
convertedLoopState = saveConvertedLoopState;
tempFlags = saveTempFlags;
tempVariables = saveTempVariables;
}
else {
write("{");
increaseIndent();
emitCaptureThisForNodeIfNecessary(node);
writeLine();
emit(node.body);
decreaseIndent();
writeLine();
var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body;
emitToken(16, moduleBlock.statements.end);
}
write(")(");
if ((node.flags & 1) && !isES6ExportedDeclaration(node)) {
emit(node.name);
write(" = ");
}
emitModuleMemberName(node);
write(" || (");
emitModuleMemberName(node);
write(" = {}));");
emitEnd(node);
if (!isES6ExportedDeclaration(node) && node.name.kind === 69 && node.parent === currentSourceFile) {
if (modulekind === ts.ModuleKind.System && (node.flags & 1)) {
writeLine();
write(exportFunctionForFile + "(\"");
emitDeclarationName(node);
write("\", ");
emitDeclarationName(node);
write(");");
}
emitExportMemberAssignments(node.name);
}
}
function tryRenameExternalModule(moduleName) {
if (renamedDependencies && moduleName.text in renamedDependencies) {
return "\"" + renamedDependencies[moduleName.text] + "\"";
}
return undefined;
}
function emitRequire(moduleName) {
if (moduleName.kind === 9) {
write("require(");
var text = tryRenameExternalModule(moduleName);
if (text) {
write(text);
}
else {
emitStart(moduleName);
emitLiteral(moduleName);
emitEnd(moduleName);
}
emitToken(18, moduleName.end);
}
else {
write("require()");
}
}
function getNamespaceDeclarationNode(node) {
if (node.kind === 229) {
return node;
}
var importClause = node.importClause;
if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 232) {
return importClause.namedBindings;
}
}
function isDefaultImport(node) {
return node.kind === 230 && node.importClause && !!node.importClause.name;
}
function emitExportImportAssignments(node) {
if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) {
emitExportMemberAssignments(node.name);
}
ts.forEachChild(node, emitExportImportAssignments);
}
function emitImportDeclaration(node) {
if (modulekind !== ts.ModuleKind.ES6) {
return emitExternalImportDeclaration(node);
}
if (node.importClause) {
var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause);
var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, true);
if (shouldEmitDefaultBindings || shouldEmitNamedBindings) {
write("import ");
emitStart(node.importClause);
if (shouldEmitDefaultBindings) {
emit(node.importClause.name);
if (shouldEmitNamedBindings) {
write(", ");
}
}
if (shouldEmitNamedBindings) {
emitLeadingComments(node.importClause.namedBindings);
emitStart(node.importClause.namedBindings);
if (node.importClause.namedBindings.kind === 232) {
write("* as ");
emit(node.importClause.namedBindings.name);
}
else {
write("{ ");
emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration);
write(" }");
}
emitEnd(node.importClause.namedBindings);
emitTrailingComments(node.importClause.namedBindings);
}
emitEnd(node.importClause);
write(" from ");
emit(node.moduleSpecifier);
write(";");
}
}
else {
write("import ");
emit(node.moduleSpecifier);
write(";");
}
}
function emitExternalImportDeclaration(node) {
if (ts.contains(externalImports, node)) {
var isExportedImport = node.kind === 229 && (node.flags & 1) !== 0;
var namespaceDeclaration = getNamespaceDeclarationNode(node);
var varOrConst = (languageVersion <= 1) ? "var " : "const ";
if (modulekind !== ts.ModuleKind.AMD) {
emitLeadingComments(node);
emitStart(node);
if (namespaceDeclaration && !isDefaultImport(node)) {
if (!isExportedImport) {
write(varOrConst);
}
;
emitModuleMemberName(namespaceDeclaration);
write(" = ");
}
else {
var isNakedImport = node.kind === 230 && !node.importClause;
if (!isNakedImport) {
write(varOrConst);
write(getGeneratedNameForNode(node));
write(" = ");
}
}
emitRequire(ts.getExternalModuleName(node));
if (namespaceDeclaration && isDefaultImport(node)) {
write(", ");
emitModuleMemberName(namespaceDeclaration);
write(" = ");
write(getGeneratedNameForNode(node));
}
write(";");
emitEnd(node);
emitExportImportAssignments(node);
emitTrailingComments(node);
}
else {
if (isExportedImport) {
emitModuleMemberName(namespaceDeclaration);
write(" = ");
emit(namespaceDeclaration.name);
write(";");
}
else if (namespaceDeclaration && isDefaultImport(node)) {
write(varOrConst);
emitModuleMemberName(namespaceDeclaration);
write(" = ");
write(getGeneratedNameForNode(node));
write(";");
}
emitExportImportAssignments(node);
}
}
}
function emitImportEqualsDeclaration(node) {
if (ts.isExternalModuleImportEqualsDeclaration(node)) {
emitExternalImportDeclaration(node);
return;
}
if (resolver.isReferencedAliasDeclaration(node) ||
(!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) {
emitLeadingComments(node);
emitStart(node);
var variableDeclarationIsHoisted = shouldHoistVariable(node, true);
var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, true);
if (!variableDeclarationIsHoisted) {
ts.Debug.assert(!isExported);
if (isES6ExportedDeclaration(node)) {
write("export ");
write("var ");
}
else if (!(node.flags & 1)) {
write("var ");
}
}
if (isExported) {
write(exportFunctionForFile + "(\"");
emitNodeWithoutSourceMap(node.name);
write("\", ");
}
emitModuleMemberName(node);
write(" = ");
emit(node.moduleReference);
if (isExported) {
write(")");
}
write(";");
emitEnd(node);
emitExportImportAssignments(node);
emitTrailingComments(node);
}
}
function emitExportDeclaration(node) {
ts.Debug.assert(modulekind !== ts.ModuleKind.System);
if (modulekind !== ts.ModuleKind.ES6) {
if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) {
emitStart(node);
var generatedName = getGeneratedNameForNode(node);
if (node.exportClause) {
if (modulekind !== ts.ModuleKind.AMD) {
write("var ");
write(generatedName);
write(" = ");
emitRequire(ts.getExternalModuleName(node));
write(";");
}
for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) {
var specifier = _b[_a];
if (resolver.isValueAliasDeclaration(specifier)) {
writeLine();
emitStart(specifier);
emitContainingModuleName(specifier);
write(".");
emitNodeWithCommentsAndWithoutSourcemap(specifier.name);
write(" = ");
write(generatedName);
write(".");
emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name);
write(";");
emitEnd(specifier);
}
}
}
else {
if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) {
writeLine();
write("__export(");
if (modulekind !== ts.ModuleKind.AMD) {
emitRequire(ts.getExternalModuleName(node));
}
else {
write(generatedName);
}
write(");");
}
}
emitEnd(node);
}
}
else {
if (!node.exportClause || resolver.isValueAliasDeclaration(node)) {
write("export ");
if (node.exportClause) {
write("{ ");
emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration);
write(" }");
}
else {
write("*");
}
if (node.moduleSpecifier) {
write(" from ");
emit(node.moduleSpecifier);
}
write(";");
}
}
}
function emitExportOrImportSpecifierList(specifiers, shouldEmit) {
ts.Debug.assert(modulekind === ts.ModuleKind.ES6);
var needsComma = false;
for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) {
var specifier = specifiers_1[_a];
if (shouldEmit(specifier)) {
if (needsComma) {
write(", ");
}
if (specifier.propertyName) {
emit(specifier.propertyName);
write(" as ");
}
emit(specifier.name);
needsComma = true;
}
}
}
function emitExportAssignment(node) {
if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) {
if (modulekind === ts.ModuleKind.ES6) {
writeLine();
emitStart(node);
write("export default ");
var expression = node.expression;
emit(expression);
if (expression.kind !== 220 &&
expression.kind !== 221) {
write(";");
}
emitEnd(node);
}
else {
writeLine();
emitStart(node);
if (modulekind === ts.ModuleKind.System) {
write(exportFunctionForFile + "(\"default\",");
emit(node.expression);
write(")");
}
else {
emitEs6ExportDefaultCompat(node);
emitContainingModuleName(node);
if (languageVersion === 0) {
write('["default"] = ');
}
else {
write(".default = ");
}
emit(node.expression);
}
write(";");
emitEnd(node);
}
}
}
function collectExternalModuleInfo(sourceFile) {
externalImports = [];
exportSpecifiers = ts.createMap();
exportEquals = undefined;
hasExportStarsToExportValues = false;
for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) {
var node = _b[_a];
switch (node.kind) {
case 230:
if (!node.importClause ||
resolver.isReferencedAliasDeclaration(node.importClause, true)) {
externalImports.push(node);
}
break;
case 229:
if (node.moduleReference.kind === 240 && resolver.isReferencedAliasDeclaration(node)) {
externalImports.push(node);
}
break;
case 236:
if (node.moduleSpecifier) {
if (!node.exportClause) {
if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) {
externalImports.push(node);
hasExportStarsToExportValues = true;
}
}
else if (resolver.isValueAliasDeclaration(node)) {
externalImports.push(node);
}
}
else {
for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) {
var specifier = _d[_c];
var name_30 = (specifier.propertyName || specifier.name).text;
(exportSpecifiers[name_30] || (exportSpecifiers[name_30] = [])).push(specifier);
}
}
break;
case 235:
if (node.isExportEquals && !exportEquals) {
exportEquals = node;
}
break;
}
}
}
function emitExportStarHelper() {
if (hasExportStarsToExportValues) {
writeLine();
write("function __export(m) {");
increaseIndent();
writeLine();
write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];");
decreaseIndent();
writeLine();
write("}");
}
}
function getLocalNameForExternalImport(node) {
var namespaceDeclaration = getNamespaceDeclarationNode(node);
if (namespaceDeclaration && !isDefaultImport(node)) {
return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name);
}
if (node.kind === 230 && node.importClause) {
return getGeneratedNameForNode(node);
}
if (node.kind === 236 && node.moduleSpecifier) {
return getGeneratedNameForNode(node);
}
}
function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) {
if (emitRelativePathAsModuleName) {
var name_31 = getExternalModuleNameFromDeclaration(host, resolver, importNode);
if (name_31) {
return "\"" + name_31 + "\"";
}
}
var moduleName = ts.getExternalModuleName(importNode);
if (moduleName.kind === 9) {
return tryRenameExternalModule(moduleName) || getLiteralText(moduleName);
}
return undefined;
}
function emitVariableDeclarationsForImports() {
if (externalImports.length === 0) {
return;
}
writeLine();
var started = false;
for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) {
var importNode = externalImports_1[_a];
var skipNode = importNode.kind === 236 ||
(importNode.kind === 230 && !importNode.importClause);
if (skipNode) {
continue;
}
if (!started) {
write("var ");
started = true;
}
else {
write(", ");
}
write(getLocalNameForExternalImport(importNode));
}
if (started) {
write(";");
}
}
function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) {
if (!hasExportStarsToExportValues) {
return undefined;
}
if (!exportedDeclarations && !ts.someProperties(exportSpecifiers)) {
var hasExportDeclarationWithExportClause = false;
for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) {
var externalImport = externalImports_2[_a];
if (externalImport.kind === 236 && externalImport.exportClause) {
hasExportDeclarationWithExportClause = true;
break;
}
}
if (!hasExportDeclarationWithExportClause) {
return emitExportStarFunction(undefined);
}
}
var exportedNamesStorageRef = makeUniqueName("exportedNames");
writeLine();
write("var " + exportedNamesStorageRef + " = {");
increaseIndent();
var started = false;
if (exportedDeclarations) {
for (var i = 0; i < exportedDeclarations.length; i++) {
writeExportedName(exportedDeclarations[i]);
}
}
if (exportSpecifiers) {
for (var n in exportSpecifiers) {
for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) {
var specifier = _c[_b];
writeExportedName(specifier.name);
}
}
}
for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) {
var externalImport = externalImports_3[_d];
if (externalImport.kind !== 236) {
continue;
}
var exportDecl = externalImport;
if (!exportDecl.exportClause) {
continue;
}
for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) {
var element = _f[_e];
writeExportedName(element.name || element.propertyName);
}
}
decreaseIndent();
writeLine();
write("};");
return emitExportStarFunction(exportedNamesStorageRef);
function emitExportStarFunction(localNames) {
var exportStarFunction = makeUniqueName("exportStar");
writeLine();
write("function " + exportStarFunction + "(m) {");
increaseIndent();
writeLine();
write("var exports = {};");
writeLine();
write("for(var n in m) {");
increaseIndent();
writeLine();
write("if (n !== \"default\"");
if (localNames) {
write("&& !" + localNames + ".hasOwnProperty(n)");
}
write(") exports[n] = m[n];");
decreaseIndent();
writeLine();
write("}");
writeLine();
write(exportFunctionForFile + "(exports);");
decreaseIndent();
writeLine();
write("}");
return exportStarFunction;
}
function writeExportedName(node) {
if (node.kind !== 69 && node.flags & 512) {
return;
}
if (started) {
write(",");
}
else {
started = true;
}
writeLine();
write("'");
if (node.kind === 69) {
emitNodeWithCommentsAndWithoutSourcemap(node);
}
else {
emitDeclarationName(node);
}
write("': true");
}
}
function processTopLevelVariableAndFunctionDeclarations(node) {
var hoistedVars;
var hoistedFunctionDeclarations;
var exportedDeclarations;
visit(node);
if (hoistedVars) {
writeLine();
write("var ");
var seen = ts.createMap();
for (var i = 0; i < hoistedVars.length; i++) {
var local = hoistedVars[i];
var name_32 = local.kind === 69
? local
: local.name;
if (name_32) {
var text = ts.unescapeIdentifier(name_32.text);
if (text in seen) {
continue;
}
else {
seen[text] = text;
}
}
if (i !== 0) {
write(", ");
}
if (local.kind === 221 || local.kind === 225 || local.kind === 224) {
emitDeclarationName(local);
}
else {
emit(local);
}
var flags = ts.getCombinedNodeFlags(local.kind === 69 ? local.parent : local);
if (flags & 1) {
if (!exportedDeclarations) {
exportedDeclarations = [];
}
exportedDeclarations.push(local);
}
}
write(";");
}
if (hoistedFunctionDeclarations) {
for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) {
var f = hoistedFunctionDeclarations_1[_a];
writeLine();
emit(f);
if (f.flags & 1) {
if (!exportedDeclarations) {
exportedDeclarations = [];
}
exportedDeclarations.push(f);
}
}
}
return exportedDeclarations;
function visit(node) {
if (node.flags & 2) {
return;
}
if (node.kind === 220) {
if (!hoistedFunctionDeclarations) {
hoistedFunctionDeclarations = [];
}
hoistedFunctionDeclarations.push(node);
return;
}
if (node.kind === 221) {
if (!hoistedVars) {
hoistedVars = [];
}
hoistedVars.push(node);
return;
}
if (node.kind === 224) {
if (shouldEmitEnumDeclaration(node)) {
if (!hoistedVars) {
hoistedVars = [];
}
hoistedVars.push(node);
}
return;
}
if (node.kind === 225) {
if (shouldEmitModuleDeclaration(node)) {
if (!hoistedVars) {
hoistedVars = [];
}
hoistedVars.push(node);
}
return;
}
if (node.kind === 218 || node.kind === 169) {
if (shouldHoistVariable(node, false)) {
var name_33 = node.name;
if (name_33.kind === 69) {
if (!hoistedVars) {
hoistedVars = [];
}
hoistedVars.push(name_33);
}
else {
ts.forEachChild(name_33, visit);
}
}
return;
}
if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) {
if (!hoistedVars) {
hoistedVars = [];
}
hoistedVars.push(node.name);
return;
}
if (ts.isBindingPattern(node)) {
ts.forEach(node.elements, visit);
return;
}
if (!ts.isDeclaration(node)) {
ts.forEachChild(node, visit);
}
}
}
function shouldHoistVariable(node, checkIfSourceFileLevelDecl) {
if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) {
return false;
}
return (ts.getCombinedNodeFlags(node) & 3072) === 0 ||
ts.getEnclosingBlockScopeContainer(node).kind === 256;
}
function isCurrentFileSystemExternalModule() {
return modulekind === ts.ModuleKind.System && isCurrentFileExternalModule;
}
function emitSystemModuleBody(node, dependencyGroups, startIndex) {
emitVariableDeclarationsForImports();
writeLine();
var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node);
var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations);
writeLine();
write("return {");
increaseIndent();
writeLine();
emitSetters(exportStarFunction, dependencyGroups);
writeLine();
emitExecute(node, startIndex);
decreaseIndent();
writeLine();
write("}");
emitTempDeclarations(true);
}
function emitSetters(exportStarFunction, dependencyGroups) {
write("setters:[");
for (var i = 0; i < dependencyGroups.length; i++) {
if (i !== 0) {
write(",");
}
writeLine();
increaseIndent();
var group = dependencyGroups[i];
var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || "");
write("function (" + parameterName + ") {");
increaseIndent();
for (var _a = 0, group_1 = group; _a < group_1.length; _a++) {
var entry = group_1[_a];
var importVariableName = getLocalNameForExternalImport(entry) || "";
switch (entry.kind) {
case 230:
if (!entry.importClause) {
break;
}
case 229:
ts.Debug.assert(importVariableName !== "");
writeLine();
write(importVariableName + " = " + parameterName + ";");
writeLine();
break;
case 236:
ts.Debug.assert(importVariableName !== "");
if (entry.exportClause) {
writeLine();
write(exportFunctionForFile + "({");
writeLine();
increaseIndent();
for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) {
if (i_1 !== 0) {
write(",");
writeLine();
}
var e = entry.exportClause.elements[i_1];
write("\"");
emitNodeWithCommentsAndWithoutSourcemap(e.name);
write("\": " + parameterName + "[\"");
emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name);
write("\"]");
}
decreaseIndent();
writeLine();
write("});");
}
else {
writeLine();
write(exportStarFunction + "(" + parameterName + ");");
}
writeLine();
break;
}
}
decreaseIndent();
write("}");
decreaseIndent();
}
write("],");
}
function emitExecute(node, startIndex) {
write("execute: function() {");
increaseIndent();
writeLine();
for (var i = startIndex; i < node.statements.length; i++) {
var statement = node.statements[i];
switch (statement.kind) {
case 220:
case 230:
continue;
case 236:
if (!statement.moduleSpecifier) {
for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) {
var element = _b[_a];
emitExportSpecifierInSystemModule(element);
}
}
continue;
case 229:
if (!ts.isInternalModuleImportEqualsDeclaration(statement)) {
continue;
}
default:
writeLine();
emit(statement);
}
}
decreaseIndent();
writeLine();
write("}");
}
function writeModuleName(node, emitRelativePathAsModuleName) {
var moduleName = node.moduleName;
if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) {
write("\"" + moduleName + "\", ");
}
}
function emitSystemModule(node, emitRelativePathAsModuleName) {
collectExternalModuleInfo(node);
ts.Debug.assert(!exportFunctionForFile);
exportFunctionForFile = makeUniqueName("exports");
contextObjectForFile = makeUniqueName("context");
writeLine();
write("System.register(");
writeModuleName(node, emitRelativePathAsModuleName);
write("[");
var groupIndices = ts.createMap();
var dependencyGroups = [];
for (var i = 0; i < externalImports.length; i++) {
var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName);
if (text === undefined) {
continue;
}
var key = text.substr(1, text.length - 2);
if (key in groupIndices) {
var groupIndex = groupIndices[key];
dependencyGroups[groupIndex].push(externalImports[i]);
continue;
}
else {
groupIndices[key] = dependencyGroups.length;
dependencyGroups.push([externalImports[i]]);
}
if (i !== 0) {
write(", ");
}
write(text);
}
write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {");
writeLine();
increaseIndent();
var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict);
writeLine();
write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;");
writeLine();
emitEmitHelpers(node);
emitCaptureThisForNodeIfNecessary(node);
emitSystemModuleBody(node, dependencyGroups, startIndex);
decreaseIndent();
writeLine();
write("});");
}
function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) {
var aliasedModuleNames = [];
var unaliasedModuleNames = [];
var importAliasNames = [];
for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) {
var amdDependency = _b[_a];
if (amdDependency.name) {
aliasedModuleNames.push('"' + amdDependency.path + '"');
importAliasNames.push(amdDependency.name);
}
else {
unaliasedModuleNames.push('"' + amdDependency.path + '"');
}
}
for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) {
var importNode = externalImports_4[_c];
var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName);
var importAliasName = getLocalNameForExternalImport(importNode);
if (includeNonAmdDependencies && importAliasName) {
aliasedModuleNames.push(externalModuleName);
importAliasNames.push(importAliasName);
}
else {
unaliasedModuleNames.push(externalModuleName);
}
}
return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames };
}
function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) {
var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName);
emitAMDDependencyList(dependencyNames);
write(", ");
emitAMDFactoryHeader(dependencyNames);
}
function emitAMDDependencyList(_a) {
var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames;
write('["require", "exports"');
if (aliasedModuleNames.length) {
write(", ");
write(aliasedModuleNames.join(", "));
}
if (unaliasedModuleNames.length) {
write(", ");
write(unaliasedModuleNames.join(", "));
}
write("]");
}
function emitAMDFactoryHeader(_a) {
var importAliasNames = _a.importAliasNames;
write("function (require, exports");
if (importAliasNames.length) {
write(", ");
write(importAliasNames.join(", "));
}
write(") {");
}
function emitAMDModule(node, emitRelativePathAsModuleName) {
emitEmitHelpers(node);
collectExternalModuleInfo(node);
writeLine();
write("define(");
writeModuleName(node, emitRelativePathAsModuleName);
emitAMDDependencies(node, true, emitRelativePathAsModuleName);
increaseIndent();
var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict);
emitExportStarHelper();
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitExportEquals(true);
emitTempDeclarations(true);
decreaseIndent();
writeLine();
write("});");
}
function emitCommonJSModule(node) {
var startIndex = emitDirectivePrologues(node.statements, false, !compilerOptions.noImplicitUseStrict);
emitEmitHelpers(node);
collectExternalModuleInfo(node);
emitExportStarHelper();
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitExportEquals(false);
emitTempDeclarations(true);
}
function emitUMDModule(node) {
emitEmitHelpers(node);
collectExternalModuleInfo(node);
var dependencyNames = getAMDDependencyNames(node, false);
writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define(");
emitAMDDependencyList(dependencyNames);
write(", factory);");
writeLines(" }\n})(");
emitAMDFactoryHeader(dependencyNames);
increaseIndent();
var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict);
emitExportStarHelper();
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitExportEquals(true);
emitTempDeclarations(true);
decreaseIndent();
writeLine();
write("});");
}
function emitES6Module(node) {
externalImports = undefined;
exportSpecifiers = undefined;
exportEquals = undefined;
hasExportStarsToExportValues = false;
var startIndex = emitDirectivePrologues(node.statements, false);
emitEmitHelpers(node);
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitTempDeclarations(true);
}
function emitExportEquals(emitAsReturn) {
if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) {
writeLine();
emitStart(exportEquals);
write(emitAsReturn ? "return " : "module.exports = ");
emit(exportEquals.expression);
write(";");
emitEnd(exportEquals);
}
}
function emitJsxElement(node) {
switch (compilerOptions.jsx) {
case 2:
jsxEmitReact(node);
break;
case 1:
default:
jsxEmitPreserve(node);
break;
}
}
function trimReactWhitespaceAndApplyEntities(node) {
var result = undefined;
var text = ts.getTextOfNode(node, true);
var firstNonWhitespace = 0;
var lastNonWhitespace = -1;
for (var i = 0; i < text.length; i++) {
var c = text.charCodeAt(i);
if (ts.isLineBreak(c)) {
if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) {
var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1);
result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part);
}
firstNonWhitespace = -1;
}
else if (!ts.isWhiteSpaceSingleLine(c)) {
lastNonWhitespace = i;
if (firstNonWhitespace === -1) {
firstNonWhitespace = i;
}
}
}
if (firstNonWhitespace !== -1) {
var part = text.substr(firstNonWhitespace);
result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part);
}
if (result) {
result = result.replace(/&(\w+);/g, function (s, m) {
if (entities[m] !== undefined) {
var ch = String.fromCharCode(entities[m]);
return ch === '"' ? "\\\"" : ch;
}
else {
return s;
}
});
}
return result;
}
function isJsxChildEmittable(child) {
if (child.kind === 248) {
return !!child.expression;
}
else if (child.kind === 244) {
return !!getTextToEmit(child);
}
return true;
}
;
function getTextToEmit(node) {
switch (compilerOptions.jsx) {
case 2:
var text = trimReactWhitespaceAndApplyEntities(node);
if (text === undefined || text.length === 0) {
return undefined;
}
else {
return text;
}
case 1:
default:
return ts.getTextOfNode(node, true);
}
}
function emitJsxText(node) {
switch (compilerOptions.jsx) {
case 2:
write('"');
write(trimReactWhitespaceAndApplyEntities(node));
write('"');
break;
case 1:
default:
writer.writeLiteral(ts.getTextOfNode(node, true));
break;
}
}
function emitJsxExpression(node) {
if (node.expression) {
switch (compilerOptions.jsx) {
case 1:
default:
write("{");
emit(node.expression);
write("}");
break;
case 2:
emit(node.expression);
break;
}
}
}
function isUseStrictPrologue(node) {
return node.expression.text === "use strict";
}
function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) {
if (writeUseStrict) {
if (startWithNewLine) {
writeLine();
}
write("\"use strict\";");
}
}
function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) {
var foundUseStrict = false;
for (var i = 0; i < statements.length; i++) {
if (ts.isPrologueDirective(statements[i])) {
if (isUseStrictPrologue(statements[i])) {
foundUseStrict = true;
}
if (startWithNewLine || i > 0) {
writeLine();
}
emit(statements[i]);
}
else {
ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict);
return i;
}
}
ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict);
return statements.length;
}
function writeLines(text) {
var lines = text.split(/\r\n|\r|\n/g);
for (var i = 0; i < lines.length; i++) {
var line = lines[i];
if (line.length) {
writeLine();
write(line);
}
}
}
function emitEmitHelpers(node) {
if (!compilerOptions.noEmitHelpers) {
if (languageVersion < 2 && !extendsEmitted && node.flags & 262144) {
writeLines(extendsHelper);
extendsEmitted = true;
}
if (compilerOptions.jsx !== 1 && !assignEmitted && (node.flags & 1073741824)) {
writeLines(assignHelper);
assignEmitted = true;
}
if (!decorateEmitted && node.flags & 524288) {
writeLines(decorateHelper);
if (compilerOptions.emitDecoratorMetadata) {
writeLines(metadataHelper);
}
decorateEmitted = true;
}
if (!paramEmitted && node.flags & 1048576) {
writeLines(paramHelper);
paramEmitted = true;
}
if (!awaiterEmitted && node.flags & 2097152) {
writeLines(awaiterHelper);
awaiterEmitted = true;
}
}
}
function emitSourceFileNode(node) {
writeLine();
emitShebang();
emitDetachedCommentsAndUpdateCommentsInfo(node);
if (ts.isExternalModule(node) || compilerOptions.isolatedModules) {
if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) {
var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[ts.ModuleKind.CommonJS];
emitModule(node);
}
else {
bundleEmitDelegates[modulekind](node, true);
}
}
else {
var startIndex = emitDirectivePrologues(node.statements, false);
externalImports = undefined;
exportSpecifiers = undefined;
exportEquals = undefined;
hasExportStarsToExportValues = false;
emitEmitHelpers(node);
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
emitTempDeclarations(true);
}
emitLeadingComments(node.endOfFileToken);
}
function emit(node) {
emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap);
}
function emitNodeWithCommentsAndWithoutSourcemap(node) {
emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap);
}
function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) {
if (node) {
if (node.flags & 2) {
return emitCommentsOnNotEmittedNode(node);
}
if (isSpecializedCommentHandling(node)) {
return emitNodeWithoutSourceMap(node);
}
var emitComments_1 = shouldEmitLeadingAndTrailingComments(node);
if (emitComments_1) {
emitLeadingComments(node);
}
emitNodeConsideringSourcemap(node);
if (emitComments_1) {
emitTrailingComments(node);
}
}
}
function emitNodeWithSourceMap(node) {
if (node) {
emitStart(node);
emitNodeWithoutSourceMap(node);
emitEnd(node);
}
}
function emitNodeWithoutSourceMap(node) {
if (node) {
emitJavaScriptWorker(node);
}
}
function changeSourceMapEmit(writer) {
sourceMap = writer;
emitStart = writer.emitStart;
emitEnd = writer.emitEnd;
emitPos = writer.emitPos;
setSourceFile = writer.setSourceFile;
}
function withTemporaryNoSourceMap(callback) {
var prevSourceMap = sourceMap;
setSourceMapWriterEmit(ts.getNullSourceMapWriter());
callback();
setSourceMapWriterEmit(prevSourceMap);
}
function isSpecializedCommentHandling(node) {
switch (node.kind) {
case 222:
case 220:
case 230:
case 229:
case 223:
case 235:
return true;
}
}
function shouldEmitLeadingAndTrailingComments(node) {
switch (node.kind) {
case 200:
return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node);
case 225:
return shouldEmitModuleDeclaration(node);
case 224:
return shouldEmitEnumDeclaration(node);
}
ts.Debug.assert(!isSpecializedCommentHandling(node));
if (node.kind !== 199 &&
node.parent &&
node.parent.kind === 180 &&
node.parent.body === node &&
languageVersion <= 1) {
return false;
}
return true;
}
function emitJavaScriptWorker(node) {
switch (node.kind) {
case 69:
return emitIdentifier(node);
case 142:
return emitParameter(node);
case 147:
case 146:
return emitMethod(node);
case 149:
case 150:
return emitAccessor(node);
case 97:
return emitThis(node);
case 95:
return emitSuper(node);
case 93:
return write("null");
case 99:
return write("true");
case 84:
return write("false");
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
return emitLiteral(node);
case 189:
return emitTemplateExpression(node);
case 197:
return emitTemplateSpan(node);
case 241:
case 242:
return emitJsxElement(node);
case 244:
return emitJsxText(node);
case 248:
return emitJsxExpression(node);
case 139:
return emitQualifiedName(node);
case 167:
return emitObjectBindingPattern(node);
case 168:
return emitArrayBindingPattern(node);
case 169:
return emitBindingElement(node);
case 170:
return emitArrayLiteral(node);
case 171:
return emitObjectLiteral(node);
case 253:
return emitPropertyAssignment(node);
case 254:
return emitShorthandPropertyAssignment(node);
case 140:
return emitComputedPropertyName(node);
case 172:
return emitPropertyAccess(node);
case 173:
return emitIndexedAccess(node);
case 174:
return emitCallExpression(node);
case 175:
return emitNewExpression(node);
case 176:
return emitTaggedTemplateExpression(node);
case 177:
case 195:
case 196:
return emit(node.expression);
case 178:
return emitParenExpression(node);
case 220:
case 179:
case 180:
return emitFunctionDeclaration(node);
case 181:
return emitDeleteExpression(node);
case 182:
return emitTypeOfExpression(node);
case 183:
return emitVoidExpression(node);
case 184:
return emitAwaitExpression(node);
case 185:
return emitPrefixUnaryExpression(node);
case 186:
return emitPostfixUnaryExpression(node);
case 187:
return emitBinaryExpression(node);
case 188:
return emitConditionalExpression(node);
case 191:
return emitSpreadElementExpression(node);
case 190:
return emitYieldExpression(node);
case 193:
return;
case 199:
case 226:
return emitBlock(node);
case 200:
return emitVariableStatement(node);
case 201:
return write(";");
case 202:
return emitExpressionStatement(node);
case 203:
return emitIfStatement(node);
case 204:
return emitDoStatement(node);
case 205:
return emitWhileStatement(node);
case 206:
return emitForStatement(node);
case 208:
case 207:
return emitForInOrForOfStatement(node);
case 209:
case 210:
return emitBreakOrContinueStatement(node);
case 211:
return emitReturnStatement(node);
case 212:
return emitWithStatement(node);
case 213:
return emitSwitchStatement(node);
case 249:
case 250:
return emitCaseOrDefaultClause(node);
case 214:
return emitLabeledStatement(node);
case 215:
return emitThrowStatement(node);
case 216:
return emitTryStatement(node);
case 252:
return emitCatchClause(node);
case 217:
return emitDebuggerStatement(node);
case 218:
return emitVariableDeclaration(node);
case 192:
return emitClassExpression(node);
case 221:
return emitClassDeclaration(node);
case 222:
return emitInterfaceDeclaration(node);
case 224:
return emitEnumDeclaration(node);
case 255:
return emitEnumMember(node);
case 225:
return emitModuleDeclaration(node);
case 230:
return emitImportDeclaration(node);
case 229:
return emitImportEqualsDeclaration(node);
case 236:
return emitExportDeclaration(node);
case 235:
return emitExportAssignment(node);
case 256:
return emitSourceFileNode(node);
}
}
function hasDetachedComments(pos) {
return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos;
}
function getLeadingCommentsWithoutDetachedComments() {
var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos);
if (detachedCommentsInfo.length - 1) {
detachedCommentsInfo.pop();
}
else {
detachedCommentsInfo = undefined;
}
return leadingComments;
}
function isTripleSlashComment(comment) {
if (currentText.charCodeAt(comment.pos + 1) === 47 &&
comment.pos + 2 < comment.end &&
currentText.charCodeAt(comment.pos + 2) === 47) {
var textSubStr = currentText.substring(comment.pos, comment.end);
return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) ||
textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ?
true : false;
}
return false;
}
function getLeadingCommentsToEmit(node) {
if (node.parent) {
if (node.parent.kind === 256 || node.pos !== node.parent.pos) {
if (hasDetachedComments(node.pos)) {
return getLeadingCommentsWithoutDetachedComments();
}
else {
return ts.getLeadingCommentRangesOfNodeFromText(node, currentText);
}
}
}
}
function getTrailingCommentsToEmit(node) {
if (node.parent) {
if (node.parent.kind === 256 || node.end !== node.parent.end) {
return ts.getTrailingCommentRanges(currentText, node.end);
}
}
}
function emitCommentsOnNotEmittedNode(node) {
emitLeadingCommentsWorker(node, false);
}
function emitLeadingComments(node) {
return emitLeadingCommentsWorker(node, true);
}
function emitLeadingCommentsWorker(node, isEmittedNode) {
if (compilerOptions.removeComments) {
return;
}
var leadingComments;
if (isEmittedNode) {
leadingComments = getLeadingCommentsToEmit(node);
}
else {
if (node.pos === 0) {
leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment);
}
}
ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments);
ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment);
}
function emitTrailingComments(node) {
if (compilerOptions.removeComments) {
return;
}
var trailingComments = getTrailingCommentsToEmit(node);
ts.emitComments(currentText, currentLineMap, writer, trailingComments, false, newLine, writeComment);
}
function emitTrailingCommentsOfPosition(pos) {
if (compilerOptions.removeComments) {
return;
}
var trailingComments = ts.getTrailingCommentRanges(currentText, pos);
ts.emitComments(currentText, currentLineMap, writer, trailingComments, true, newLine, writeComment);
}
function emitLeadingCommentsOfPositionWorker(pos) {
if (compilerOptions.removeComments) {
return;
}
var leadingComments;
if (hasDetachedComments(pos)) {
leadingComments = getLeadingCommentsWithoutDetachedComments();
}
else {
leadingComments = ts.getLeadingCommentRanges(currentText, pos);
}
ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments);
ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment);
}
function emitDetachedCommentsAndUpdateCommentsInfo(node) {
var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments);
if (currentDetachedCommentInfo) {
if (detachedCommentsInfo) {
detachedCommentsInfo.push(currentDetachedCommentInfo);
}
else {
detachedCommentsInfo = [currentDetachedCommentInfo];
}
}
}
function writeComment(text, lineMap, writer, comment, newLine) {
emitPos(comment.pos);
ts.writeCommentRange(text, lineMap, writer, comment, newLine);
emitPos(comment.end);
}
function emitShebang() {
var shebang = ts.getShebang(currentText);
if (shebang) {
write(shebang);
writeLine();
}
}
var _a, _b;
}
function emitFile(_a, sourceFiles, isBundledEmit, emitOnlyDtsFiles) {
var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath;
if (!emitOnlyDtsFiles) {
if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) {
emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit);
}
else {
emitSkipped = true;
}
}
if (declarationFilePath) {
emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics, emitOnlyDtsFiles) || emitSkipped;
}
if (!emitSkipped && emittedFilesList) {
if (!emitOnlyDtsFiles) {
emittedFilesList.push(jsFilePath);
if (sourceMapFilePath) {
emittedFilesList.push(sourceMapFilePath);
}
}
if (declarationFilePath) {
emittedFilesList.push(declarationFilePath);
}
}
}
}
ts.emitFiles = emitFiles;
})(ts || (ts = {}));
var ts;
(function (ts) {
ts.version = "2.0.8";
var emptyArray = [];
function findConfigFile(searchPath, fileExists, configName) {
if (configName === void 0) { configName = "tsconfig.json"; }
while (true) {
var fileName = ts.combinePaths(searchPath, configName);
if (fileExists(fileName)) {
return fileName;
}
var parentPath = ts.getDirectoryPath(searchPath);
if (parentPath === searchPath) {
break;
}
searchPath = parentPath;
}
return undefined;
}
ts.findConfigFile = findConfigFile;
function resolveTripleslashReference(moduleName, containingFile) {
var basePath = ts.getDirectoryPath(containingFile);
var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName);
return ts.normalizePath(referencedFileName);
}
ts.resolveTripleslashReference = resolveTripleslashReference;
function computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName) {
var commonPathComponents;
var failed = ts.forEach(fileNames, function (sourceFile) {
var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile, currentDirectory);
sourcePathComponents.pop();
if (!commonPathComponents) {
commonPathComponents = sourcePathComponents;
return;
}
for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) {
if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) {
if (i === 0) {
return true;
}
commonPathComponents.length = i;
break;
}
}
if (sourcePathComponents.length < commonPathComponents.length) {
commonPathComponents.length = sourcePathComponents.length;
}
});
if (failed) {
return "";
}
if (!commonPathComponents) {
return currentDirectory;
}
return ts.getNormalizedPathFromPathComponents(commonPathComponents);
}
ts.computeCommonSourceDirectoryOfFilenames = computeCommonSourceDirectoryOfFilenames;
var typeReferenceExtensions = [".d.ts"];
function getEffectiveTypeRoots(options, host) {
if (options.typeRoots) {
return options.typeRoots;
}
var currentDirectory;
if (options.configFilePath) {
currentDirectory = ts.getDirectoryPath(options.configFilePath);
}
else if (host.getCurrentDirectory) {
currentDirectory = host.getCurrentDirectory();
}
return currentDirectory && getDefaultTypeRoots(currentDirectory, host);
}
ts.getEffectiveTypeRoots = getEffectiveTypeRoots;
function getDefaultTypeRoots(currentDirectory, host) {
if (!host.directoryExists) {
return [ts.combinePaths(currentDirectory, nodeModulesAtTypes)];
}
var typeRoots;
while (true) {
var atTypes = ts.combinePaths(currentDirectory, nodeModulesAtTypes);
if (host.directoryExists(atTypes)) {
(typeRoots || (typeRoots = [])).push(atTypes);
}
var parent_15 = ts.getDirectoryPath(currentDirectory);
if (parent_15 === currentDirectory) {
break;
}
currentDirectory = parent_15;
}
return typeRoots;
}
var nodeModulesAtTypes = ts.combinePaths("node_modules", "@types");
function resolveTypeReferenceDirective(typeReferenceDirectiveName, containingFile, options, host) {
var traceEnabled = ts.isTraceEnabled(options, host);
var moduleResolutionState = {
compilerOptions: options,
host: host,
skipTsx: true,
traceEnabled: traceEnabled
};
var typeRoots = getEffectiveTypeRoots(options, host);
if (traceEnabled) {
if (containingFile === undefined) {
if (typeRoots === undefined) {
ts.trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_not_set, typeReferenceDirectiveName);
}
else {
ts.trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_not_set_root_directory_1, typeReferenceDirectiveName, typeRoots);
}
}
else {
if (typeRoots === undefined) {
ts.trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_not_set, typeReferenceDirectiveName, containingFile);
}
else {
ts.trace(host, ts.Diagnostics.Resolving_type_reference_directive_0_containing_file_1_root_directory_2, typeReferenceDirectiveName, containingFile, typeRoots);
}
}
}
var failedLookupLocations = [];
if (typeRoots && typeRoots.length) {
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Resolving_with_primary_search_path_0, typeRoots.join(", "));
}
var primarySearchPaths = typeRoots;
for (var _i = 0, primarySearchPaths_1 = primarySearchPaths; _i < primarySearchPaths_1.length; _i++) {
var typeRoot = primarySearchPaths_1[_i];
var candidate = ts.combinePaths(typeRoot, typeReferenceDirectiveName);
var candidateDirectory = ts.getDirectoryPath(candidate);
var resolvedFile_1 = ts.loadNodeModuleFromDirectory(typeReferenceExtensions, candidate, failedLookupLocations, !ts.directoryProbablyExists(candidateDirectory, host), moduleResolutionState);
if (resolvedFile_1) {
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile_1, true);
}
return {
resolvedTypeReferenceDirective: { primary: true, resolvedFileName: resolvedFile_1 },
failedLookupLocations: failedLookupLocations
};
}
}
}
else {
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Root_directory_cannot_be_determined_skipping_primary_search_paths);
}
}
var resolvedFile;
var initialLocationForSecondaryLookup;
if (containingFile) {
initialLocationForSecondaryLookup = ts.getDirectoryPath(containingFile);
}
if (initialLocationForSecondaryLookup !== undefined) {
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Looking_up_in_node_modules_folder_initial_location_0, initialLocationForSecondaryLookup);
}
resolvedFile = ts.loadModuleFromNodeModules(typeReferenceDirectiveName, initialLocationForSecondaryLookup, failedLookupLocations, moduleResolutionState, false);
if (traceEnabled) {
if (resolvedFile) {
ts.trace(host, ts.Diagnostics.Type_reference_directive_0_was_successfully_resolved_to_1_primary_Colon_2, typeReferenceDirectiveName, resolvedFile, false);
}
else {
ts.trace(host, ts.Diagnostics.Type_reference_directive_0_was_not_resolved, typeReferenceDirectiveName);
}
}
}
else {
if (traceEnabled) {
ts.trace(host, ts.Diagnostics.Containing_file_is_not_specified_and_root_directory_cannot_be_determined_skipping_lookup_in_node_modules_folder);
}
}
return {
resolvedTypeReferenceDirective: resolvedFile
? { primary: false, resolvedFileName: resolvedFile }
: undefined,
failedLookupLocations: failedLookupLocations
};
}
ts.resolveTypeReferenceDirective = resolveTypeReferenceDirective;
function createCompilerHost(options, setParentNodes) {
var existingDirectories = ts.createMap();
function getCanonicalFileName(fileName) {
return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
}
var unsupportedFileEncodingErrorCode = -2147024809;
function getSourceFile(fileName, languageVersion, onError) {
var text;
try {
ts.performance.mark("beforeIORead");
text = ts.sys.readFile(fileName, options.charset);
ts.performance.mark("afterIORead");
ts.performance.measure("I/O Read", "beforeIORead", "afterIORead");
}
catch (e) {
if (onError) {
onError(e.number === unsupportedFileEncodingErrorCode
? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText
: e.message);
}
text = "";
}
return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined;
}
function directoryExists(directoryPath) {
if (directoryPath in existingDirectories) {
return true;
}
if (ts.sys.directoryExists(directoryPath)) {
existingDirectories[directoryPath] = true;
return true;
}
return false;
}
function ensureDirectoriesExist(directoryPath) {
if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) {
var parentDirectory = ts.getDirectoryPath(directoryPath);
ensureDirectoriesExist(parentDirectory);
ts.sys.createDirectory(directoryPath);
}
}
var outputFingerprints;
function writeFileIfUpdated(fileName, data, writeByteOrderMark) {
if (!outputFingerprints) {
outputFingerprints = ts.createMap();
}
var hash = ts.sys.createHash(data);
var mtimeBefore = ts.sys.getModifiedTime(fileName);
if (mtimeBefore && fileName in outputFingerprints) {
var fingerprint = outputFingerprints[fileName];
if (fingerprint.byteOrderMark === writeByteOrderMark &&
fingerprint.hash === hash &&
fingerprint.mtime.getTime() === mtimeBefore.getTime()) {
return;
}
}
ts.sys.writeFile(fileName, data, writeByteOrderMark);
var mtimeAfter = ts.sys.getModifiedTime(fileName);
outputFingerprints[fileName] = {
hash: hash,
byteOrderMark: writeByteOrderMark,
mtime: mtimeAfter
};
}
function writeFile(fileName, data, writeByteOrderMark, onError) {
try {
ts.performance.mark("beforeIOWrite");
ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName)));
if (ts.isWatchSet(options) && ts.sys.createHash && ts.sys.getModifiedTime) {
writeFileIfUpdated(fileName, data, writeByteOrderMark);
}
else {
ts.sys.writeFile(fileName, data, writeByteOrderMark);
}
ts.performance.mark("afterIOWrite");
ts.performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite");
}
catch (e) {
if (onError) {
onError(e.message);
}
}
}
function getDefaultLibLocation() {
return ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath()));
}
var newLine = ts.getNewLineCharacter(options);
var realpath = ts.sys.realpath && (function (path) { return ts.sys.realpath(path); });
return {
getSourceFile: getSourceFile,
getDefaultLibLocation: getDefaultLibLocation,
getDefaultLibFileName: function (options) { return ts.combinePaths(getDefaultLibLocation(), ts.getDefaultLibFileName(options)); },
writeFile: writeFile,
getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }),
useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; },
getCanonicalFileName: getCanonicalFileName,
getNewLine: function () { return newLine; },
fileExists: function (fileName) { return ts.sys.fileExists(fileName); },
readFile: function (fileName) { return ts.sys.readFile(fileName); },
trace: function (s) { return ts.sys.write(s + newLine); },
directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); },
getDirectories: function (path) { return ts.sys.getDirectories(path); },
realpath: realpath
};
}
ts.createCompilerHost = createCompilerHost;
function getPreEmitDiagnostics(program, sourceFile, cancellationToken) {
var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken));
if (program.getCompilerOptions().declaration) {
diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken));
}
return ts.sortAndDeduplicateDiagnostics(diagnostics);
}
ts.getPreEmitDiagnostics = getPreEmitDiagnostics;
function formatDiagnostics(diagnostics, host) {
var output = "";
for (var _i = 0, diagnostics_2 = diagnostics; _i < diagnostics_2.length; _i++) {
var diagnostic = diagnostics_2[_i];
if (diagnostic.file) {
var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character;
var fileName = diagnostic.file.fileName;
var relativeFileName = ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); });
output += relativeFileName + "(" + (line + 1) + "," + (character + 1) + "): ";
}
var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase();
output += category + " TS" + diagnostic.code + ": " + flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine()) + host.getNewLine();
}
return output;
}
ts.formatDiagnostics = formatDiagnostics;
function flattenDiagnosticMessageText(messageText, newLine) {
if (typeof messageText === "string") {
return messageText;
}
else {
var diagnosticChain = messageText;
var result = "";
var indent = 0;
while (diagnosticChain) {
if (indent) {
result += newLine;
for (var i = 0; i < indent; i++) {
result += " ";
}
}
result += diagnosticChain.messageText;
indent++;
diagnosticChain = diagnosticChain.next;
}
return result;
}
}
ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText;
function loadWithLocalCache(names, containingFile, loader) {
if (names.length === 0) {
return [];
}
var resolutions = [];
var cache = ts.createMap();
for (var _i = 0, names_1 = names; _i < names_1.length; _i++) {
var name_34 = names_1[_i];
var result = name_34 in cache
? cache[name_34]
: cache[name_34] = loader(name_34, containingFile);
resolutions.push(result);
}
return resolutions;
}
function getAutomaticTypeDirectiveNames(options, host) {
if (options.types) {
return options.types;
}
var result = [];
if (host.directoryExists && host.getDirectories) {
var typeRoots = getEffectiveTypeRoots(options, host);
if (typeRoots) {
for (var _i = 0, typeRoots_1 = typeRoots; _i < typeRoots_1.length; _i++) {
var root = typeRoots_1[_i];
if (host.directoryExists(root)) {
for (var _a = 0, _b = host.getDirectories(root); _a < _b.length; _a++) {
var typeDirectivePath = _b[_a];
var normalized = ts.normalizePath(typeDirectivePath);
var packageJsonPath = ts.pathToPackageJson(ts.combinePaths(root, normalized));
var isNotNeededPackage = host.fileExists(packageJsonPath) && ts.readJson(packageJsonPath, host).typings === null;
if (!isNotNeededPackage) {
result.push(ts.getBaseFileName(normalized));
}
}
}
}
}
}
return result;
}
ts.getAutomaticTypeDirectiveNames = getAutomaticTypeDirectiveNames;
function createProgram(rootNames, options, host, oldProgram) {
var program;
var files = [];
var commonSourceDirectory;
var diagnosticsProducingTypeChecker;
var noDiagnosticsTypeChecker;
var classifiableNames;
var resolvedTypeReferenceDirectives = ts.createMap();
var fileProcessingDiagnostics = ts.createDiagnosticCollection();
var maxNodeModulesJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0;
var currentNodeModulesDepth = 0;
var modulesWithElidedImports = ts.createMap();
var sourceFilesFoundSearchingNodeModules = ts.createMap();
ts.performance.mark("beforeProgram");
host = host || createCompilerHost(options);
var skipDefaultLib = options.noLib;
var programDiagnostics = ts.createDiagnosticCollection();
var currentDirectory = host.getCurrentDirectory();
var supportedExtensions = ts.getSupportedExtensions(options);
var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName);
var resolveModuleNamesWorker;
if (host.resolveModuleNames) {
resolveModuleNamesWorker = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); };
}
else {
var loader_1 = function (moduleName, containingFile) { return ts.resolveModuleName(moduleName, containingFile, options, host).resolvedModule; };
resolveModuleNamesWorker = function (moduleNames, containingFile) { return loadWithLocalCache(moduleNames, containingFile, loader_1); };
}
var resolveTypeReferenceDirectiveNamesWorker;
if (host.resolveTypeReferenceDirectives) {
resolveTypeReferenceDirectiveNamesWorker = function (typeDirectiveNames, containingFile) { return host.resolveTypeReferenceDirectives(typeDirectiveNames, containingFile); };
}
else {
var loader_2 = function (typesRef, containingFile) { return resolveTypeReferenceDirective(typesRef, containingFile, options, host).resolvedTypeReferenceDirective; };
resolveTypeReferenceDirectiveNamesWorker = function (typeReferenceDirectiveNames, containingFile) { return loadWithLocalCache(typeReferenceDirectiveNames, containingFile, loader_2); };
}
var filesByName = ts.createFileMap();
var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined;
if (!tryReuseStructureFromOldProgram()) {
ts.forEach(rootNames, function (name) { return processRootFile(name, false); });
var typeReferences = getAutomaticTypeDirectiveNames(options, host);
if (typeReferences) {
var containingFilename = ts.combinePaths(host.getCurrentDirectory(), "__inferred type names__.ts");
var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeReferences, containingFilename);
for (var i = 0; i < typeReferences.length; i++) {
processTypeReferenceDirective(typeReferences[i], resolutions[i]);
}
}
if (!skipDefaultLib) {
if (!options.lib) {
processRootFile(host.getDefaultLibFileName(options), true);
}
else {
var libDirectory_1 = host.getDefaultLibLocation ? host.getDefaultLibLocation() : ts.getDirectoryPath(host.getDefaultLibFileName(options));
ts.forEach(options.lib, function (libFileName) {
processRootFile(ts.combinePaths(libDirectory_1, libFileName), true);
});
}
}
}
oldProgram = undefined;
program = {
getRootFileNames: function () { return rootNames; },
getSourceFile: getSourceFile,
getSourceFileByPath: getSourceFileByPath,
getSourceFiles: function () { return files; },
getCompilerOptions: function () { return options; },
getSyntacticDiagnostics: getSyntacticDiagnostics,
getOptionsDiagnostics: getOptionsDiagnostics,
getGlobalDiagnostics: getGlobalDiagnostics,
getSemanticDiagnostics: getSemanticDiagnostics,
getDeclarationDiagnostics: getDeclarationDiagnostics,
getTypeChecker: getTypeChecker,
getClassifiableNames: getClassifiableNames,
getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker,
getCommonSourceDirectory: getCommonSourceDirectory,
emit: emit,
getCurrentDirectory: function () { return currentDirectory; },
getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); },
getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); },
getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); },
getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); },
getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; },
getResolvedTypeReferenceDirectives: function () { return resolvedTypeReferenceDirectives; },
isSourceFileFromExternalLibrary: isSourceFileFromExternalLibrary,
dropDiagnosticsProducingTypeChecker: dropDiagnosticsProducingTypeChecker
};
verifyCompilerOptions();
ts.performance.mark("afterProgram");
ts.performance.measure("Program", "beforeProgram", "afterProgram");
return program;
function getCommonSourceDirectory() {
if (typeof commonSourceDirectory === "undefined") {
if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) {
commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory);
}
else {
commonSourceDirectory = computeCommonSourceDirectory(files);
}
if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) {
commonSourceDirectory += ts.directorySeparator;
}
}
return commonSourceDirectory;
}
function getClassifiableNames() {
if (!classifiableNames) {
getTypeChecker();
classifiableNames = ts.createMap();
for (var _i = 0, files_2 = files; _i < files_2.length; _i++) {
var sourceFile = files_2[_i];
ts.copyProperties(sourceFile.classifiableNames, classifiableNames);
}
}
return classifiableNames;
}
function tryReuseStructureFromOldProgram() {
if (!oldProgram) {
return false;
}
var oldOptions = oldProgram.getCompilerOptions();
if ((oldOptions.module !== options.module) ||
(oldOptions.moduleResolution !== options.moduleResolution) ||
(oldOptions.noResolve !== options.noResolve) ||
(oldOptions.target !== options.target) ||
(oldOptions.noLib !== options.noLib) ||
(oldOptions.jsx !== options.jsx) ||
(oldOptions.allowJs !== options.allowJs) ||
(oldOptions.rootDir !== options.rootDir) ||
(oldOptions.configFilePath !== options.configFilePath) ||
(oldOptions.baseUrl !== options.baseUrl) ||
(oldOptions.maxNodeModuleJsDepth !== options.maxNodeModuleJsDepth) ||
!ts.arrayIsEqualTo(oldOptions.typeRoots, oldOptions.typeRoots) ||
!ts.arrayIsEqualTo(oldOptions.rootDirs, options.rootDirs) ||
!ts.equalOwnProperties(oldOptions.paths, options.paths)) {
return false;
}
ts.Debug.assert(!oldProgram.structureIsReused);
var oldRootNames = oldProgram.getRootFileNames();
if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) {
return false;
}
if (!ts.arrayIsEqualTo(options.types, oldOptions.types)) {
return false;
}
var newSourceFiles = [];
var filePaths = [];
var modifiedSourceFiles = [];
for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) {
var oldSourceFile = _a[_i];
var newSourceFile = host.getSourceFileByPath
? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.path, options.target)
: host.getSourceFile(oldSourceFile.fileName, options.target);
if (!newSourceFile) {
return false;
}
newSourceFile.path = oldSourceFile.path;
filePaths.push(newSourceFile.path);
if (oldSourceFile !== newSourceFile) {
if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) {
return false;
}
if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) {
return false;
}
collectExternalModuleReferences(newSourceFile);
if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) {
return false;
}
if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) {
return false;
}
if (!ts.arrayIsEqualTo(oldSourceFile.typeReferenceDirectives, newSourceFile.typeReferenceDirectives, fileReferenceIsEqualTo)) {
return false;
}
var newSourceFilePath = ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory);
if (resolveModuleNamesWorker) {
var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral);
var resolutions = resolveModuleNamesWorker(moduleNames, newSourceFilePath);
var resolutionsChanged = ts.hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, ts.moduleResolutionIsEqualTo);
if (resolutionsChanged) {
return false;
}
}
if (resolveTypeReferenceDirectiveNamesWorker) {
var typesReferenceDirectives = ts.map(newSourceFile.typeReferenceDirectives, function (x) { return x.fileName; });
var resolutions = resolveTypeReferenceDirectiveNamesWorker(typesReferenceDirectives, newSourceFilePath);
var resolutionsChanged = ts.hasChangesInResolutions(typesReferenceDirectives, resolutions, oldSourceFile.resolvedTypeReferenceDirectiveNames, ts.typeDirectiveIsEqualTo);
if (resolutionsChanged) {
return false;
}
}
newSourceFile.resolvedModules = oldSourceFile.resolvedModules;
newSourceFile.resolvedTypeReferenceDirectiveNames = oldSourceFile.resolvedTypeReferenceDirectiveNames;
modifiedSourceFiles.push(newSourceFile);
}
else {
newSourceFile = oldSourceFile;
}
newSourceFiles.push(newSourceFile);
}
for (var i = 0, len = newSourceFiles.length; i < len; i++) {
filesByName.set(filePaths[i], newSourceFiles[i]);
}
files = newSourceFiles;
fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics();
for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) {
var modifiedFile = modifiedSourceFiles_1[_b];
fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile);
}
resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives();
oldProgram.structureIsReused = true;
return true;
}
function getEmitHost(writeFileCallback) {
return {
getCanonicalFileName: getCanonicalFileName,
getCommonSourceDirectory: program.getCommonSourceDirectory,
getCompilerOptions: program.getCompilerOptions,
getCurrentDirectory: function () { return currentDirectory; },
getNewLine: function () { return host.getNewLine(); },
getSourceFile: program.getSourceFile,
getSourceFileByPath: program.getSourceFileByPath,
getSourceFiles: program.getSourceFiles,
isSourceFileFromExternalLibrary: isSourceFileFromExternalLibrary,
writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError, sourceFiles) { return host.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles); }),
isEmitBlocked: isEmitBlocked
};
}
function isSourceFileFromExternalLibrary(file) {
return sourceFilesFoundSearchingNodeModules[file.path];
}
function getDiagnosticsProducingTypeChecker() {
return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true));
}
function dropDiagnosticsProducingTypeChecker() {
diagnosticsProducingTypeChecker = undefined;
}
function getTypeChecker() {
return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false));
}
function emit(sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) {
return runWithCancellationToken(function () { return emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles); });
}
function isEmitBlocked(emitFileName) {
return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName));
}
function emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles) {
var declarationDiagnostics = [];
if (options.noEmit) {
return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true };
}
if (options.noEmitOnError) {
var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken));
if (diagnostics.length === 0 && program.getCompilerOptions().declaration) {
declarationDiagnostics = program.getDeclarationDiagnostics(undefined, cancellationToken);
}
if (diagnostics.length > 0 || declarationDiagnostics.length > 0) {
return {
diagnostics: ts.concatenate(diagnostics, declarationDiagnostics),
sourceMaps: undefined,
emittedFiles: undefined,
emitSkipped: true
};
}
}
var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile);
ts.performance.mark("beforeEmit");
var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile, emitOnlyDtsFiles);
ts.performance.mark("afterEmit");
ts.performance.measure("Emit", "beforeEmit", "afterEmit");
return emitResult;
}
function getSourceFile(fileName) {
return getSourceFileByPath(ts.toPath(fileName, currentDirectory, getCanonicalFileName));
}
function getSourceFileByPath(path) {
return filesByName.get(path);
}
function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) {
if (sourceFile) {
return getDiagnostics(sourceFile, cancellationToken);
}
var allDiagnostics = [];
ts.forEach(program.getSourceFiles(), function (sourceFile) {
if (cancellationToken) {
cancellationToken.throwIfCancellationRequested();
}
ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken));
});
return ts.sortAndDeduplicateDiagnostics(allDiagnostics);
}
function getSyntacticDiagnostics(sourceFile, cancellationToken) {
return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken);
}
function getSemanticDiagnostics(sourceFile, cancellationToken) {
return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken);
}
function getDeclarationDiagnostics(sourceFile, cancellationToken) {
var options = program.getCompilerOptions();
if (!sourceFile || options.out || options.outFile) {
return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
}
else {
return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken);
}
}
function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) {
return sourceFile.parseDiagnostics;
}
function runWithCancellationToken(func) {
try {
return func();
}
catch (e) {
if (e instanceof ts.OperationCanceledException) {
noDiagnosticsTypeChecker = undefined;
diagnosticsProducingTypeChecker = undefined;
}
throw e;
}
}
function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) {
return runWithCancellationToken(function () {
var typeChecker = getDiagnosticsProducingTypeChecker();
ts.Debug.assert(!!sourceFile.bindDiagnostics);
var bindDiagnostics = sourceFile.bindDiagnostics;
var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ?
getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) :
typeChecker.getDiagnostics(sourceFile, cancellationToken);
var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName);
var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName);
return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile);
});
}
function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) {
return runWithCancellationToken(function () {
var diagnostics = [];
walk(sourceFile);
return diagnostics;
function walk(node) {
if (!node) {
return false;
}
switch (node.kind) {
case 229:
diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file));
return true;
case 235:
if (node.isExportEquals) {
diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file));
return true;
}
break;
case 221:
var classDeclaration = node;
if (checkModifiers(classDeclaration.modifiers) ||
checkTypeParameters(classDeclaration.typeParameters)) {
return true;
}
break;
case 251:
var heritageClause = node;
if (heritageClause.token === 106) {
diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file));
return true;
}
break;
case 222:
diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file));
return true;
case 225:
diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file));
return true;
case 223:
diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file));
return true;
case 147:
case 146:
case 148:
case 149:
case 150:
case 179:
case 220:
case 180:
case 220:
var functionDeclaration = node;
if (checkModifiers(functionDeclaration.modifiers) ||
checkTypeParameters(functionDeclaration.typeParameters) ||
checkTypeAnnotation(functionDeclaration.type)) {
return true;
}
break;
case 200:
var variableStatement = node;
if (checkModifiers(variableStatement.modifiers)) {
return true;
}
break;
case 218:
var variableDeclaration = node;
if (checkTypeAnnotation(variableDeclaration.type)) {
return true;
}
break;
case 174:
case 175:
var expression = node;
if (expression.typeArguments && expression.typeArguments.length > 0) {
var start = expression.typeArguments.pos;
diagnostics.push(ts.createFileDiagnostic(sourceFile, start, expression.typeArguments.end - start, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file));
return true;
}
break;
case 142:
var parameter = node;
if (parameter.modifiers) {
var start = parameter.modifiers.pos;
diagnostics.push(ts.createFileDiagnostic(sourceFile, start, parameter.modifiers.end - start, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file));
return true;
}
if (parameter.questionToken) {
diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?"));
return true;
}
if (parameter.type) {
diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file));
return true;
}
break;
case 145:
var propertyDeclaration = node;
if (propertyDeclaration.modifiers) {
for (var _i = 0, _a = propertyDeclaration.modifiers; _i < _a.length; _i++) {
var modifier = _a[_i];
if (modifier.kind !== 113) {
diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind)));
return true;
}
}
}
if (checkTypeAnnotation(node.type)) {
return true;
}
break;
case 224:
diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file));
return true;
case 177:
var typeAssertionExpression = node;
diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file));
return true;
case 143:
if (!options.experimentalDecorators) {
diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning));
}
return true;
}
return ts.forEachChild(node, walk);
}
function checkTypeParameters(typeParameters) {
if (typeParameters) {
var start = typeParameters.pos;
diagnostics.push(ts.createFileDiagnostic(sourceFile, start, typeParameters.end - start, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file));
return true;
}
return false;
}
function checkTypeAnnotation(type) {
if (type) {
diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file));
return true;
}
return false;
}
function checkModifiers(modifiers) {
if (modifiers) {
for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) {
var modifier = modifiers_1[_i];
switch (modifier.kind) {
case 112:
case 110:
case 111:
case 128:
case 122:
diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind)));
return true;
case 113:
case 82:
case 74:
case 77:
case 115:
}
}
}
return false;
}
});
}
function getDeclarationDiagnosticsWorker(sourceFile, cancellationToken) {
return runWithCancellationToken(function () {
var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken);
var writeFile = function () { };
return ts.getDeclarationDiagnostics(getEmitHost(writeFile), resolver, sourceFile);
});
}
function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) {
return ts.isDeclarationFile(sourceFile) ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
}
function getOptionsDiagnostics() {
var allDiagnostics = [];
ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics());
ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics());
return ts.sortAndDeduplicateDiagnostics(allDiagnostics);
}
function getGlobalDiagnostics() {
var allDiagnostics = [];
ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics());
return ts.sortAndDeduplicateDiagnostics(allDiagnostics);
}
function hasExtension(fileName) {
return ts.getBaseFileName(fileName).indexOf(".") >= 0;
}
function processRootFile(fileName, isDefaultLib) {
processSourceFile(ts.normalizePath(fileName), isDefaultLib, true);
}
function fileReferenceIsEqualTo(a, b) {
return a.fileName === b.fileName;
}
function moduleNameIsEqualTo(a, b) {
return a.text === b.text;
}
function getTextOfLiteral(literal) {
return literal.text;
}
function collectExternalModuleReferences(file) {
if (file.imports) {
return;
}
var isJavaScriptFile = ts.isSourceFileJavaScript(file);
var isExternalModuleFile = ts.isExternalModule(file);
var imports;
var moduleAugmentations;
for (var _i = 0, _a = file.statements; _i < _a.length; _i++) {
var node = _a[_i];
collectModuleReferences(node, false);
if (isJavaScriptFile) {
collectRequireCalls(node);
}
}
file.imports = imports || emptyArray;
file.moduleAugmentations = moduleAugmentations || emptyArray;
return;
function collectModuleReferences(node, inAmbientModule) {
switch (node.kind) {
case 230:
case 229:
case 236:
var moduleNameExpr = ts.getExternalModuleName(node);
if (!moduleNameExpr || moduleNameExpr.kind !== 9) {
break;
}
if (!moduleNameExpr.text) {
break;
}
if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) {
(imports || (imports = [])).push(moduleNameExpr);
}
break;
case 225:
if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 2 || ts.isDeclarationFile(file))) {
var moduleName = node.name;
if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) {
(moduleAugmentations || (moduleAugmentations = [])).push(moduleName);
}
else if (!inAmbientModule) {
var body = node.body;
if (body) {
for (var _i = 0, _a = body.statements; _i < _a.length; _i++) {
var statement = _a[_i];
collectModuleReferences(statement, true);
}
}
}
}
}
}
function collectRequireCalls(node) {
if (ts.isRequireCall(node, true)) {
(imports || (imports = [])).push(node.arguments[0]);
}
else {
ts.forEachChild(node, collectRequireCalls);
}
}
}
function processSourceFile(fileName, isDefaultLib, isReference, refFile, refPos, refEnd) {
var diagnosticArgument;
var diagnostic;
if (hasExtension(fileName)) {
if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) {
diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1;
diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"];
}
else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, isReference, refFile, refPos, refEnd)) {
diagnostic = ts.Diagnostics.File_0_not_found;
diagnosticArgument = [fileName];
}
else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) {
diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself;
diagnosticArgument = [fileName];
}
}
else {
var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, isReference, refFile, refPos, refEnd);
if (!nonTsFile) {
if (options.allowNonTsExtensions) {
diagnostic = ts.Diagnostics.File_0_not_found;
diagnosticArgument = [fileName];
}
else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, isReference, refFile, refPos, refEnd); })) {
diagnostic = ts.Diagnostics.File_0_not_found;
fileName += ".ts";
diagnosticArgument = [fileName];
}
}
}
if (diagnostic) {
if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) {
fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument)));
}
else {
fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument)));
}
}
}
function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) {
if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) {
fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName));
}
else {
fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName));
}
}
function findSourceFile(fileName, path, isDefaultLib, isReference, refFile, refPos, refEnd) {
if (filesByName.contains(path)) {
var file_1 = filesByName.get(path);
if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) {
reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd);
}
if (file_1 && sourceFilesFoundSearchingNodeModules[file_1.path] && currentNodeModulesDepth == 0) {
sourceFilesFoundSearchingNodeModules[file_1.path] = false;
if (!options.noResolve) {
processReferencedFiles(file_1, ts.getDirectoryPath(fileName), isDefaultLib);
processTypeReferenceDirectives(file_1);
}
modulesWithElidedImports[file_1.path] = false;
processImportedModules(file_1, ts.getDirectoryPath(fileName));
}
else if (file_1 && modulesWithElidedImports[file_1.path]) {
if (currentNodeModulesDepth < maxNodeModulesJsDepth) {
modulesWithElidedImports[file_1.path] = false;
processImportedModules(file_1, ts.getDirectoryPath(fileName));
}
}
return file_1;
}
var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) {
if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) {
fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage));
}
else {
fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage));
}
});
filesByName.set(path, file);
if (file) {
sourceFilesFoundSearchingNodeModules[path] = (currentNodeModulesDepth > 0);
file.path = path;
if (host.useCaseSensitiveFileNames()) {
var existingFile = filesByNameIgnoreCase.get(path);
if (existingFile) {
reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd);
}
else {
filesByNameIgnoreCase.set(path, file);
}
}
skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib;
var basePath = ts.getDirectoryPath(fileName);
if (!options.noResolve) {
processReferencedFiles(file, basePath, isDefaultLib);
processTypeReferenceDirectives(file);
}
processImportedModules(file, basePath);
if (isDefaultLib) {
files.unshift(file);
}
else {
files.push(file);
}
}
return file;
}
function processReferencedFiles(file, basePath, isDefaultLib) {
ts.forEach(file.referencedFiles, function (ref) {
var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName);
processSourceFile(referencedFileName, isDefaultLib, true, file, ref.pos, ref.end);
});
}
function processTypeReferenceDirectives(file) {
var typeDirectives = ts.map(file.typeReferenceDirectives, function (ref) { return ref.fileName.toLocaleLowerCase(); });
var resolutions = resolveTypeReferenceDirectiveNamesWorker(typeDirectives, file.fileName);
for (var i = 0; i < typeDirectives.length; i++) {
var ref = file.typeReferenceDirectives[i];
var resolvedTypeReferenceDirective = resolutions[i];
var fileName = ref.fileName.toLocaleLowerCase();
ts.setResolvedTypeReferenceDirective(file, fileName, resolvedTypeReferenceDirective);
processTypeReferenceDirective(fileName, resolvedTypeReferenceDirective, file, ref.pos, ref.end);
}
}
function processTypeReferenceDirective(typeReferenceDirective, resolvedTypeReferenceDirective, refFile, refPos, refEnd) {
var previousResolution = resolvedTypeReferenceDirectives[typeReferenceDirective];
if (previousResolution && previousResolution.primary) {
return;
}
var saveResolution = true;
if (resolvedTypeReferenceDirective) {
if (resolvedTypeReferenceDirective.primary) {
processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, true, refFile, refPos, refEnd);
}
else {
if (previousResolution) {
var otherFileText = host.readFile(resolvedTypeReferenceDirective.resolvedFileName);
if (otherFileText !== getSourceFile(previousResolution.resolvedFileName).text) {
fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict, typeReferenceDirective, resolvedTypeReferenceDirective.resolvedFileName, previousResolution.resolvedFileName));
}
saveResolution = false;
}
else {
processSourceFile(resolvedTypeReferenceDirective.resolvedFileName, false, true, refFile, refPos, refEnd);
}
}
}
else {
fileProcessingDiagnostics.add(createDiagnostic(refFile, refPos, refEnd, ts.Diagnostics.Cannot_find_type_definition_file_for_0, typeReferenceDirective));
}
if (saveResolution) {
resolvedTypeReferenceDirectives[typeReferenceDirective] = resolvedTypeReferenceDirective;
}
}
function createDiagnostic(refFile, refPos, refEnd, message) {
var args = [];
for (var _i = 4; _i < arguments.length; _i++) {
args[_i - 4] = arguments[_i];
}
if (refFile === undefined || refPos === undefined || refEnd === undefined) {
return ts.createCompilerDiagnostic.apply(void 0, [message].concat(args));
}
else {
return ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, message].concat(args));
}
}
function getCanonicalFileName(fileName) {
return host.getCanonicalFileName(fileName);
}
function processImportedModules(file, basePath) {
collectExternalModuleReferences(file);
if (file.imports.length || file.moduleAugmentations.length) {
file.resolvedModules = ts.createMap();
var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral);
var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory));
for (var i = 0; i < moduleNames.length; i++) {
var resolution = resolutions[i];
ts.setResolvedModule(file, moduleNames[i], resolution);
var resolvedPath = resolution ? ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName) : undefined;
var isFromNodeModulesSearch = resolution && resolution.isExternalLibraryImport;
var isJsFileFromNodeModules = isFromNodeModulesSearch && ts.hasJavaScriptFileExtension(resolution.resolvedFileName);
if (isFromNodeModulesSearch) {
currentNodeModulesDepth++;
}
var elideImport = isJsFileFromNodeModules && currentNodeModulesDepth > maxNodeModulesJsDepth;
var shouldAddFile = resolution && !options.noResolve && i < file.imports.length && !elideImport;
if (elideImport) {
modulesWithElidedImports[file.path] = true;
}
else if (shouldAddFile) {
findSourceFile(resolution.resolvedFileName, resolvedPath, false, false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end);
}
if (isFromNodeModulesSearch) {
currentNodeModulesDepth--;
}
}
}
else {
file.resolvedModules = undefined;
}
return;
}
function computeCommonSourceDirectory(sourceFiles) {
var fileNames = [];
for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) {
var file = sourceFiles_2[_i];
if (!file.isDeclarationFile) {
fileNames.push(file.fileName);
}
}
return computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName);
}
function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) {
var allFilesBelongToPath = true;
if (sourceFiles) {
var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory));
for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) {
var sourceFile = sourceFiles_3[_i];
if (!ts.isDeclarationFile(sourceFile)) {
var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory));
if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir));
allFilesBelongToPath = false;
}
}
}
}
return allFilesBelongToPath;
}
function verifyCompilerOptions() {
if (options.isolatedModules) {
if (options.declaration) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules"));
}
if (options.noEmitOnError) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules"));
}
if (options.out) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules"));
}
if (options.outFile) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules"));
}
}
if (options.inlineSourceMap) {
if (options.sourceMap) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap"));
}
if (options.mapRoot) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap"));
}
}
if (options.paths && options.baseUrl === undefined) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option));
}
if (options.paths) {
for (var key in options.paths) {
if (!ts.hasProperty(options.paths, key)) {
continue;
}
if (!ts.hasZeroOrOneAsteriskCharacter(key)) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key));
}
if (ts.isArray(options.paths[key])) {
if (options.paths[key].length === 0) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key));
}
for (var _i = 0, _a = options.paths[key]; _i < _a.length; _i++) {
var subst = _a[_i];
var typeOfSubst = typeof subst;
if (typeOfSubst === "string") {
if (!ts.hasZeroOrOneAsteriskCharacter(subst)) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character, subst, key));
}
}
else {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst));
}
}
}
else {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key));
}
}
}
if (!options.sourceMap && !options.inlineSourceMap) {
if (options.inlineSources) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources"));
}
if (options.sourceRoot) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot"));
}
}
if (options.out && options.outFile) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile"));
}
if (options.mapRoot && !options.sourceMap) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap"));
}
if (options.declarationDir) {
if (!options.declaration) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "declarationDir", "declaration"));
}
if (options.out || options.outFile) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile"));
}
}
if (options.lib && options.noLib) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib"));
}
var languageVersion = options.target || 0;
var outFile = options.outFile || options.out;
var firstNonAmbientExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; });
if (options.isolatedModules) {
if (options.module === ts.ModuleKind.None && languageVersion < 2) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher));
}
var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; });
if (firstNonExternalModuleSourceFile) {
var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile);
programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided));
}
}
else if (firstNonAmbientExternalModuleSourceFile && languageVersion < 2 && options.module === ts.ModuleKind.None) {
var span = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator);
programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_use_imports_exports_or_module_augmentations_when_module_is_none));
}
if (outFile) {
if (options.module && !(options.module === ts.ModuleKind.AMD || options.module === ts.ModuleKind.System)) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile"));
}
else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) {
var span = ts.getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator);
programDiagnostics.add(ts.createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system, options.out ? "out" : "outFile"));
}
}
if (options.outDir ||
options.sourceRoot ||
options.mapRoot) {
var dir = getCommonSourceDirectory();
if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files));
}
}
if (!options.noEmit && options.allowJs && options.declaration) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration"));
}
if (options.emitDecoratorMetadata &&
!options.experimentalDecorators) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators"));
}
if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) {
programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace));
}
if (!options.noEmit && !options.suppressOutputPathCheck) {
var emitHost = getEmitHost();
var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined);
ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) {
verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1);
verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1);
});
}
function verifyEmitFilePath(emitFileName, emitFilesSeen) {
if (emitFileName) {
var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName);
if (filesByName.contains(emitFilePath)) {
createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file);
}
if (emitFilesSeen.contains(emitFilePath)) {
createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files);
}
else {
emitFilesSeen.set(emitFilePath, true);
}
}
}
}
function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) {
hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true);
programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName));
}
}
ts.createProgram = createProgram;
})(ts || (ts = {}));
var ts;
(function (ts) {
ts.compileOnSaveCommandLineOption = { name: "compileOnSave", type: "boolean" };
ts.optionDeclarations = [
{
name: "charset",
type: "string"
},
ts.compileOnSaveCommandLineOption,
{
name: "declaration",
shortName: "d",
type: "boolean",
description: ts.Diagnostics.Generates_corresponding_d_ts_file
},
{
name: "declarationDir",
type: "string",
isFilePath: true,
paramType: ts.Diagnostics.DIRECTORY
},
{
name: "diagnostics",
type: "boolean"
},
{
name: "extendedDiagnostics",
type: "boolean"
},
{
name: "emitBOM",
type: "boolean"
},
{
name: "help",
shortName: "h",
type: "boolean",
description: ts.Diagnostics.Print_this_message
},
{
name: "help",
shortName: "?",
type: "boolean"
},
{
name: "init",
type: "boolean",
description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file
},
{
name: "inlineSourceMap",
type: "boolean"
},
{
name: "inlineSources",
type: "boolean"
},
{
name: "jsx",
type: ts.createMap({
"preserve": 1,
"react": 2
}),
paramType: ts.Diagnostics.KIND,
description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react
},
{
name: "reactNamespace",
type: "string",
description: ts.Diagnostics.Specify_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit
},
{
name: "listFiles",
type: "boolean"
},
{
name: "locale",
type: "string"
},
{
name: "mapRoot",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,
paramType: ts.Diagnostics.LOCATION
},
{
name: "module",
shortName: "m",
type: ts.createMap({
"none": ts.ModuleKind.None,
"commonjs": ts.ModuleKind.CommonJS,
"amd": ts.ModuleKind.AMD,
"system": ts.ModuleKind.System,
"umd": ts.ModuleKind.UMD,
"es6": ts.ModuleKind.ES6,
"es2015": ts.ModuleKind.ES2015
}),
description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015,
paramType: ts.Diagnostics.KIND
},
{
name: "newLine",
type: ts.createMap({
"crlf": 0,
"lf": 1
}),
description: ts.Diagnostics.Specify_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix,
paramType: ts.Diagnostics.NEWLINE
},
{
name: "noEmit",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_outputs
},
{
name: "noEmitHelpers",
type: "boolean"
},
{
name: "noEmitOnError",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported
},
{
name: "noErrorTruncation",
type: "boolean"
},
{
name: "noImplicitAny",
type: "boolean",
description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type
},
{
name: "noImplicitThis",
type: "boolean",
description: ts.Diagnostics.Raise_error_on_this_expressions_with_an_implied_any_type
},
{
name: "noUnusedLocals",
type: "boolean",
description: ts.Diagnostics.Report_errors_on_unused_locals
},
{
name: "noUnusedParameters",
type: "boolean",
description: ts.Diagnostics.Report_errors_on_unused_parameters
},
{
name: "noLib",
type: "boolean"
},
{
name: "noResolve",
type: "boolean"
},
{
name: "skipDefaultLibCheck",
type: "boolean"
},
{
name: "skipLibCheck",
type: "boolean",
description: ts.Diagnostics.Skip_type_checking_of_declaration_files
},
{
name: "out",
type: "string",
isFilePath: false,
paramType: ts.Diagnostics.FILE
},
{
name: "outFile",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file,
paramType: ts.Diagnostics.FILE
},
{
name: "outDir",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Redirect_output_structure_to_the_directory,
paramType: ts.Diagnostics.DIRECTORY
},
{
name: "preserveConstEnums",
type: "boolean",
description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
},
{
name: "pretty",
description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental,
type: "boolean"
},
{
name: "project",
shortName: "p",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Compile_the_project_in_the_given_directory,
paramType: ts.Diagnostics.DIRECTORY
},
{
name: "removeComments",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_comments_to_output
},
{
name: "rootDir",
type: "string",
isFilePath: true,
paramType: ts.Diagnostics.LOCATION,
description: ts.Diagnostics.Specify_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir
},
{
name: "isolatedModules",
type: "boolean"
},
{
name: "sourceMap",
type: "boolean",
description: ts.Diagnostics.Generates_corresponding_map_file
},
{
name: "sourceRoot",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Specify_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,
paramType: ts.Diagnostics.LOCATION
},
{
name: "suppressExcessPropertyErrors",
type: "boolean",
description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals,
experimental: true
},
{
name: "suppressImplicitAnyIndexErrors",
type: "boolean",
description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures
},
{
name: "stripInternal",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation,
experimental: true
},
{
name: "target",
shortName: "t",
type: ts.createMap({
"es3": 0,
"es5": 1,
"es6": 2,
"es2015": 2
}),
description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015,
paramType: ts.Diagnostics.VERSION
},
{
name: "version",
shortName: "v",
type: "boolean",
description: ts.Diagnostics.Print_the_compiler_s_version
},
{
name: "watch",
shortName: "w",
type: "boolean",
description: ts.Diagnostics.Watch_input_files
},
{
name: "experimentalDecorators",
type: "boolean",
description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators
},
{
name: "emitDecoratorMetadata",
type: "boolean",
experimental: true,
description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators
},
{
name: "moduleResolution",
type: ts.createMap({
"node": ts.ModuleResolutionKind.NodeJs,
"classic": ts.ModuleResolutionKind.Classic
}),
description: ts.Diagnostics.Specify_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6
},
{
name: "allowUnusedLabels",
type: "boolean",
description: ts.Diagnostics.Do_not_report_errors_on_unused_labels
},
{
name: "noImplicitReturns",
type: "boolean",
description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value
},
{
name: "noFallthroughCasesInSwitch",
type: "boolean",
description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement
},
{
name: "allowUnreachableCode",
type: "boolean",
description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code
},
{
name: "forceConsistentCasingInFileNames",
type: "boolean",
description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file
},
{
name: "baseUrl",
type: "string",
isFilePath: true,
description: ts.Diagnostics.Base_directory_to_resolve_non_absolute_module_names
},
{
name: "paths",
type: "object",
isTSConfigOnly: true
},
{
name: "rootDirs",
type: "list",
isTSConfigOnly: true,
element: {
name: "rootDirs",
type: "string",
isFilePath: true
}
},
{
name: "typeRoots",
type: "list",
element: {
name: "typeRoots",
type: "string",
isFilePath: true
}
},
{
name: "types",
type: "list",
element: {
name: "types",
type: "string"
},
description: ts.Diagnostics.Type_declaration_files_to_be_included_in_compilation
},
{
name: "traceResolution",
type: "boolean",
description: ts.Diagnostics.Enable_tracing_of_the_name_resolution_process
},
{
name: "allowJs",
type: "boolean",
description: ts.Diagnostics.Allow_javascript_files_to_be_compiled
},
{
name: "allowSyntheticDefaultImports",
type: "boolean",
description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking
},
{
name: "noImplicitUseStrict",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output
},
{
name: "maxNodeModuleJsDepth",
type: "number",
description: ts.Diagnostics.The_maximum_dependency_depth_to_search_under_node_modules_and_load_JavaScript_files
},
{
name: "listEmittedFiles",
type: "boolean"
},
{
name: "lib",
type: "list",
element: {
name: "lib",
type: ts.createMap({
"es5": "lib.es5.d.ts",
"es6": "lib.es2015.d.ts",
"es2015": "lib.es2015.d.ts",
"es7": "lib.es2016.d.ts",
"es2016": "lib.es2016.d.ts",
"es2017": "lib.es2017.d.ts",
"dom": "lib.dom.d.ts",
"webworker": "lib.webworker.d.ts",
"scripthost": "lib.scripthost.d.ts",
"es2015.core": "lib.es2015.core.d.ts",
"es2015.collection": "lib.es2015.collection.d.ts",
"es2015.generator": "lib.es2015.generator.d.ts",
"es2015.iterable": "lib.es2015.iterable.d.ts",
"es2015.promise": "lib.es2015.promise.d.ts",
"es2015.proxy": "lib.es2015.proxy.d.ts",
"es2015.reflect": "lib.es2015.reflect.d.ts",
"es2015.symbol": "lib.es2015.symbol.d.ts",
"es2015.symbol.wellknown": "lib.es2015.symbol.wellknown.d.ts",
"es2016.array.include": "lib.es2016.array.include.d.ts",
"es2017.object": "lib.es2017.object.d.ts",
"es2017.sharedmemory": "lib.es2017.sharedmemory.d.ts"
})
},
description: ts.Diagnostics.Specify_library_files_to_be_included_in_the_compilation_Colon
},
{
name: "disableSizeLimit",
type: "boolean"
},
{
name: "strictNullChecks",
type: "boolean",
description: ts.Diagnostics.Enable_strict_null_checks
}
];
ts.typingOptionDeclarations = [
{
name: "enableAutoDiscovery",
type: "boolean"
},
{
name: "include",
type: "list",
element: {
name: "include",
type: "string"
}
},
{
name: "exclude",
type: "list",
element: {
name: "exclude",
type: "string"
}
}
];
ts.defaultInitCompilerOptions = {
module: ts.ModuleKind.CommonJS,
target: 1,
noImplicitAny: false,
sourceMap: false
};
var optionNameMapCache;
function getOptionNameMap() {
if (optionNameMapCache) {
return optionNameMapCache;
}
var optionNameMap = ts.createMap();
var shortOptionNames = ts.createMap();
ts.forEach(ts.optionDeclarations, function (option) {
optionNameMap[option.name.toLowerCase()] = option;
if (option.shortName) {
shortOptionNames[option.shortName] = option.name;
}
});
optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames };
return optionNameMapCache;
}
ts.getOptionNameMap = getOptionNameMap;
function createCompilerDiagnosticForInvalidCustomType(opt) {
var namesOfType = [];
for (var key in opt.type) {
namesOfType.push(" '" + key + "'");
}
return ts.createCompilerDiagnostic(ts.Diagnostics.Argument_for_0_option_must_be_Colon_1, "--" + opt.name, namesOfType);
}
ts.createCompilerDiagnosticForInvalidCustomType = createCompilerDiagnosticForInvalidCustomType;
function parseCustomTypeOption(opt, value, errors) {
var key = trimString((value || "")).toLowerCase();
var map = opt.type;
if (key in map) {
return map[key];
}
else {
errors.push(createCompilerDiagnosticForInvalidCustomType(opt));
}
}
ts.parseCustomTypeOption = parseCustomTypeOption;
function parseListTypeOption(opt, value, errors) {
if (value === void 0) { value = ""; }
value = trimString(value);
if (ts.startsWith(value, "-")) {
return undefined;
}
if (value === "") {
return [];
}
var values = value.split(",");
switch (opt.element.type) {
case "number":
return ts.map(values, parseInt);
case "string":
return ts.map(values, function (v) { return v || ""; });
default:
return ts.filter(ts.map(values, function (v) { return parseCustomTypeOption(opt.element, v, errors); }), function (v) { return !!v; });
}
}
ts.parseListTypeOption = parseListTypeOption;
function parseCommandLine(commandLine, readFile) {
var options = {};
var fileNames = [];
var errors = [];
var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames;
parseStrings(commandLine);
return {
options: options,
fileNames: fileNames,
errors: errors
};
function parseStrings(args) {
var i = 0;
while (i < args.length) {
var s = args[i];
i++;
if (s.charCodeAt(0) === 64) {
parseResponseFile(s.slice(1));
}
else if (s.charCodeAt(0) === 45) {
s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase();
if (s in shortOptionNames) {
s = shortOptionNames[s];
}
if (s in optionNameMap) {
var opt = optionNameMap[s];
if (opt.isTSConfigOnly) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_can_only_be_specified_in_tsconfig_json_file, opt.name));
}
else {
if (!args[i] && opt.type !== "boolean") {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name));
}
switch (opt.type) {
case "number":
options[opt.name] = parseInt(args[i]);
i++;
break;
case "boolean":
options[opt.name] = true;
break;
case "string":
options[opt.name] = args[i] || "";
i++;
break;
case "list":
var result = parseListTypeOption(opt, args[i], errors);
options[opt.name] = result || [];
if (result) {
i++;
}
break;
default:
options[opt.name] = parseCustomTypeOption(opt, args[i], errors);
i++;
break;
}
}
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s));
}
}
else {
fileNames.push(s);
}
}
}
function parseResponseFile(fileName) {
var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName);
if (!text) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName));
return;
}
var args = [];
var pos = 0;
while (true) {
while (pos < text.length && text.charCodeAt(pos) <= 32)
pos++;
if (pos >= text.length)
break;
var start = pos;
if (text.charCodeAt(start) === 34) {
pos++;
while (pos < text.length && text.charCodeAt(pos) !== 34)
pos++;
if (pos < text.length) {
args.push(text.substring(start + 1, pos));
pos++;
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName));
}
}
else {
while (text.charCodeAt(pos) > 32)
pos++;
args.push(text.substring(start, pos));
}
}
parseStrings(args);
}
}
ts.parseCommandLine = parseCommandLine;
function readConfigFile(fileName, readFile) {
var text = "";
try {
text = readFile(fileName);
}
catch (e) {
return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) };
}
return parseConfigFileTextToJson(fileName, text);
}
ts.readConfigFile = readConfigFile;
function parseConfigFileTextToJson(fileName, jsonText, stripComments) {
if (stripComments === void 0) { stripComments = true; }
try {
var jsonTextToParse = stripComments ? removeComments(jsonText) : jsonText;
return { config: /\S/.test(jsonTextToParse) ? JSON.parse(jsonTextToParse) : {} };
}
catch (e) {
return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) };
}
}
ts.parseConfigFileTextToJson = parseConfigFileTextToJson;
function generateTSConfig(options, fileNames) {
var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions);
var configurations = {
compilerOptions: serializeCompilerOptions(compilerOptions)
};
if (fileNames && fileNames.length) {
configurations.files = fileNames;
}
return configurations;
function getCustomTypeMapOfCommandLineOption(optionDefinition) {
if (optionDefinition.type === "string" || optionDefinition.type === "number" || optionDefinition.type === "boolean") {
return undefined;
}
else if (optionDefinition.type === "list") {
return getCustomTypeMapOfCommandLineOption(optionDefinition.element);
}
else {
return optionDefinition.type;
}
}
function getNameOfCompilerOptionValue(value, customTypeMap) {
for (var key in customTypeMap) {
if (customTypeMap[key] === value) {
return key;
}
}
return undefined;
}
function serializeCompilerOptions(options) {
var result = ts.createMap();
var optionsNameMap = getOptionNameMap().optionNameMap;
for (var name_35 in options) {
if (ts.hasProperty(options, name_35)) {
switch (name_35) {
case "init":
case "watch":
case "version":
case "help":
case "project":
break;
default:
var value = options[name_35];
var optionDefinition = optionsNameMap[name_35.toLowerCase()];
if (optionDefinition) {
var customTypeMap = getCustomTypeMapOfCommandLineOption(optionDefinition);
if (!customTypeMap) {
result[name_35] = value;
}
else {
if (optionDefinition.type === "list") {
var convertedValue = [];
for (var _i = 0, _a = value; _i < _a.length; _i++) {
var element = _a[_i];
convertedValue.push(getNameOfCompilerOptionValue(element, customTypeMap));
}
result[name_35] = convertedValue;
}
else {
result[name_35] = getNameOfCompilerOptionValue(value, customTypeMap);
}
}
}
break;
}
}
}
return result;
}
}
ts.generateTSConfig = generateTSConfig;
function removeComments(jsonText) {
var output = "";
var scanner = ts.createScanner(1, false, 0, jsonText);
var token;
while ((token = scanner.scan()) !== 1) {
switch (token) {
case 2:
case 3:
output += scanner.getTokenText().replace(/\S/g, " ");
break;
default:
output += scanner.getTokenText();
break;
}
}
return output;
}
function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) {
if (existingOptions === void 0) { existingOptions = {}; }
var errors = [];
var compilerOptions = convertCompilerOptionsFromJsonWorker(json["compilerOptions"], basePath, errors, configFileName);
var options = ts.extend(existingOptions, compilerOptions);
var typingOptions = convertTypingOptionsFromJsonWorker(json["typingOptions"], basePath, errors, configFileName);
options.configFilePath = configFileName;
var _a = getFileNames(errors), fileNames = _a.fileNames, wildcardDirectories = _a.wildcardDirectories;
var compileOnSave = convertCompileOnSaveOptionFromJson(json, basePath, errors);
return {
options: options,
fileNames: fileNames,
typingOptions: typingOptions,
raw: json,
errors: errors,
wildcardDirectories: wildcardDirectories,
compileOnSave: compileOnSave
};
function getFileNames(errors) {
var fileNames;
if (ts.hasProperty(json, "files")) {
if (ts.isArray(json["files"])) {
fileNames = json["files"];
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array"));
}
}
var includeSpecs;
if (ts.hasProperty(json, "include")) {
if (ts.isArray(json["include"])) {
includeSpecs = json["include"];
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "include", "Array"));
}
}
var excludeSpecs;
if (ts.hasProperty(json, "exclude")) {
if (ts.isArray(json["exclude"])) {
excludeSpecs = json["exclude"];
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "exclude", "Array"));
}
}
else if (ts.hasProperty(json, "excludes")) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_option_excludes_Did_you_mean_exclude));
}
else {
excludeSpecs = ["node_modules", "bower_components", "jspm_packages"];
}
var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"];
if (outDir) {
excludeSpecs.push(outDir);
}
if (fileNames === undefined && includeSpecs === undefined) {
includeSpecs = ["**/*"];
}
return matchFileNames(fileNames, includeSpecs, excludeSpecs, basePath, options, host, errors);
}
}
ts.parseJsonConfigFileContent = parseJsonConfigFileContent;
function convertCompileOnSaveOptionFromJson(jsonOption, basePath, errors) {
if (!ts.hasProperty(jsonOption, ts.compileOnSaveCommandLineOption.name)) {
return false;
}
var result = convertJsonOption(ts.compileOnSaveCommandLineOption, jsonOption["compileOnSave"], basePath, errors);
if (typeof result === "boolean" && result) {
return result;
}
return false;
}
ts.convertCompileOnSaveOptionFromJson = convertCompileOnSaveOptionFromJson;
function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) {
var errors = [];
var options = convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName);
return { options: options, errors: errors };
}
ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson;
function convertTypingOptionsFromJson(jsonOptions, basePath, configFileName) {
var errors = [];
var options = convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName);
return { options: options, errors: errors };
}
ts.convertTypingOptionsFromJson = convertTypingOptionsFromJson;
function convertCompilerOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) {
var options = ts.getBaseFileName(configFileName) === "jsconfig.json"
? { allowJs: true, maxNodeModuleJsDepth: 2, allowSyntheticDefaultImports: true }
: {};
convertOptionsFromJson(ts.optionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_compiler_option_0, errors);
return options;
}
function convertTypingOptionsFromJsonWorker(jsonOptions, basePath, errors, configFileName) {
var options = ts.getBaseFileName(configFileName) === "jsconfig.json"
? { enableAutoDiscovery: true, include: [], exclude: [] }
: { enableAutoDiscovery: false, include: [], exclude: [] };
convertOptionsFromJson(ts.typingOptionDeclarations, jsonOptions, basePath, options, ts.Diagnostics.Unknown_typing_option_0, errors);
return options;
}
function convertOptionsFromJson(optionDeclarations, jsonOptions, basePath, defaultOptions, diagnosticMessage, errors) {
if (!jsonOptions) {
return;
}
var optionNameMap = ts.arrayToMap(optionDeclarations, function (opt) { return opt.name; });
for (var id in jsonOptions) {
if (id in optionNameMap) {
var opt = optionNameMap[id];
defaultOptions[opt.name] = convertJsonOption(opt, jsonOptions[id], basePath, errors);
}
else {
errors.push(ts.createCompilerDiagnostic(diagnosticMessage, id));
}
}
}
function convertJsonOption(opt, value, basePath, errors) {
var optType = opt.type;
var expectedType = typeof optType === "string" ? optType : "string";
if (optType === "list" && ts.isArray(value)) {
return convertJsonOptionOfListType(opt, value, basePath, errors);
}
else if (typeof value === expectedType) {
if (typeof optType !== "string") {
return convertJsonOptionOfCustomType(opt, value, errors);
}
else {
if (opt.isFilePath) {
value = ts.normalizePath(ts.combinePaths(basePath, value));
if (value === "") {
value = ".";
}
}
}
return value;
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, opt.name, expectedType));
}
}
function convertJsonOptionOfCustomType(opt, value, errors) {
var key = value.toLowerCase();
if (key in opt.type) {
return opt.type[key];
}
else {
errors.push(createCompilerDiagnosticForInvalidCustomType(opt));
}
}
function convertJsonOptionOfListType(option, values, basePath, errors) {
return ts.filter(ts.map(values, function (v) { return convertJsonOption(option.element, v, basePath, errors); }), function (v) { return !!v; });
}
function trimString(s) {
return typeof s.trim === "function" ? s.trim() : s.replace(/^[\s]+|[\s]+$/g, "");
}
var invalidTrailingRecursionPattern = /(^|\/)\*\*\/?$/;
var invalidMultipleRecursionPatterns = /(^|\/)\*\*\/(.*\/)?\*\*($|\/)/;
var invalidDotDotAfterRecursiveWildcardPattern = /(^|\/)\*\*\/(.*\/)?\.\.($|\/)/;
var watchRecursivePattern = /\/[^/]*?[*?][^/]*\//;
var wildcardDirectoryPattern = /^[^*?]*(?=\/[^/]*[*?])/;
function matchFileNames(fileNames, include, exclude, basePath, options, host, errors) {
basePath = ts.normalizePath(basePath);
var keyMapper = host.useCaseSensitiveFileNames ? caseSensitiveKeyMapper : caseInsensitiveKeyMapper;
var literalFileMap = ts.createMap();
var wildcardFileMap = ts.createMap();
if (include) {
include = validateSpecs(include, errors, false);
}
if (exclude) {
exclude = validateSpecs(exclude, errors, true);
}
var wildcardDirectories = getWildcardDirectories(include, exclude, basePath, host.useCaseSensitiveFileNames);
var supportedExtensions = ts.getSupportedExtensions(options);
if (fileNames) {
for (var _i = 0, fileNames_1 = fileNames; _i < fileNames_1.length; _i++) {
var fileName = fileNames_1[_i];
var file = ts.combinePaths(basePath, fileName);
literalFileMap[keyMapper(file)] = file;
}
}
if (include && include.length > 0) {
for (var _a = 0, _b = host.readDirectory(basePath, supportedExtensions, exclude, include); _a < _b.length; _a++) {
var file = _b[_a];
if (hasFileWithHigherPriorityExtension(file, literalFileMap, wildcardFileMap, supportedExtensions, keyMapper)) {
continue;
}
removeWildcardFilesWithLowerPriorityExtension(file, wildcardFileMap, supportedExtensions, keyMapper);
var key = keyMapper(file);
if (!(key in literalFileMap) && !(key in wildcardFileMap)) {
wildcardFileMap[key] = file;
}
}
}
var literalFiles = ts.reduceProperties(literalFileMap, addFileToOutput, []);
var wildcardFiles = ts.reduceProperties(wildcardFileMap, addFileToOutput, []);
wildcardFiles.sort(host.useCaseSensitiveFileNames ? ts.compareStrings : ts.compareStringsCaseInsensitive);
return {
fileNames: literalFiles.concat(wildcardFiles),
wildcardDirectories: wildcardDirectories
};
}
function validateSpecs(specs, errors, allowTrailingRecursion) {
var validSpecs = [];
for (var _i = 0, specs_2 = specs; _i < specs_2.length; _i++) {
var spec = specs_2[_i];
if (!allowTrailingRecursion && invalidTrailingRecursionPattern.test(spec)) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_end_in_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec));
}
else if (invalidMultipleRecursionPatterns.test(spec)) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_multiple_recursive_directory_wildcards_Asterisk_Asterisk_Colon_0, spec));
}
else if (invalidDotDotAfterRecursiveWildcardPattern.test(spec)) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_specification_cannot_contain_a_parent_directory_that_appears_after_a_recursive_directory_wildcard_Asterisk_Asterisk_Colon_0, spec));
}
else {
validSpecs.push(spec);
}
}
return validSpecs;
}
function getWildcardDirectories(include, exclude, path, useCaseSensitiveFileNames) {
var rawExcludeRegex = ts.getRegularExpressionForWildcard(exclude, path, "exclude");
var excludeRegex = rawExcludeRegex && new RegExp(rawExcludeRegex, useCaseSensitiveFileNames ? "" : "i");
var wildcardDirectories = ts.createMap();
if (include !== undefined) {
var recursiveKeys = [];
for (var _i = 0, include_1 = include; _i < include_1.length; _i++) {
var file = include_1[_i];
var name_36 = ts.normalizePath(ts.combinePaths(path, file));
if (excludeRegex && excludeRegex.test(name_36)) {
continue;
}
var match = wildcardDirectoryPattern.exec(name_36);
if (match) {
var key = useCaseSensitiveFileNames ? match[0] : match[0].toLowerCase();
var flags = watchRecursivePattern.test(name_36) ? 1 : 0;
var existingFlags = wildcardDirectories[key];
if (existingFlags === undefined || existingFlags < flags) {
wildcardDirectories[key] = flags;
if (flags === 1) {
recursiveKeys.push(key);
}
}
}
}
for (var key in wildcardDirectories) {
for (var _a = 0, recursiveKeys_1 = recursiveKeys; _a < recursiveKeys_1.length; _a++) {
var recursiveKey = recursiveKeys_1[_a];
if (key !== recursiveKey && ts.containsPath(recursiveKey, key, path, !useCaseSensitiveFileNames)) {
delete wildcardDirectories[key];
}
}
}
}
return wildcardDirectories;
}
function hasFileWithHigherPriorityExtension(file, literalFiles, wildcardFiles, extensions, keyMapper) {
var extensionPriority = ts.getExtensionPriority(file, extensions);
var adjustedExtensionPriority = ts.adjustExtensionPriority(extensionPriority);
for (var i = 0; i < adjustedExtensionPriority; i++) {
var higherPriorityExtension = extensions[i];
var higherPriorityPath = keyMapper(ts.changeExtension(file, higherPriorityExtension));
if (higherPriorityPath in literalFiles || higherPriorityPath in wildcardFiles) {
return true;
}
}
return false;
}
function removeWildcardFilesWithLowerPriorityExtension(file, wildcardFiles, extensions, keyMapper) {
var extensionPriority = ts.getExtensionPriority(file, extensions);
var nextExtensionPriority = ts.getNextLowestExtensionPriority(extensionPriority);
for (var i = nextExtensionPriority; i < extensions.length; i++) {
var lowerPriorityExtension = extensions[i];
var lowerPriorityPath = keyMapper(ts.changeExtension(file, lowerPriorityExtension));
delete wildcardFiles[lowerPriorityPath];
}
}
function addFileToOutput(output, file) {
output.push(file);
return output;
}
function caseSensitiveKeyMapper(key) {
return key;
}
function caseInsensitiveKeyMapper(key) {
return key.toLowerCase();
}
})(ts || (ts = {}));
var ts;
(function (ts) {
var defaultFormatDiagnosticsHost = {
getCurrentDirectory: function () { return ts.sys.getCurrentDirectory(); },
getNewLine: function () { return ts.sys.newLine; },
getCanonicalFileName: ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)
};
var reportDiagnosticWorker = reportDiagnosticSimply;
function reportDiagnostic(diagnostic, host) {
reportDiagnosticWorker(diagnostic, host || defaultFormatDiagnosticsHost);
}
function reportDiagnostics(diagnostics, host) {
for (var _i = 0, diagnostics_3 = diagnostics; _i < diagnostics_3.length; _i++) {
var diagnostic = diagnostics_3[_i];
reportDiagnostic(diagnostic, host);
}
}
function reportEmittedFiles(files, host) {
if (!files || files.length == 0) {
return;
}
var currentDir = ts.sys.getCurrentDirectory();
for (var _i = 0, files_3 = files; _i < files_3.length; _i++) {
var file = files_3[_i];
var filepath = ts.getNormalizedAbsolutePath(file, currentDir);
ts.sys.write("TSFILE: " + filepath + ts.sys.newLine);
}
}
function validateLocaleAndSetLanguage(locale, errors) {
var matchResult = /^([a-z]+)([_\-]([a-z]+))?$/.exec(locale.toLowerCase());
if (!matchResult) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1, "en", "ja-jp"));
return false;
}
var language = matchResult[1];
var territory = matchResult[3];
if (!trySetLanguageAndTerritory(language, territory, errors)) {
trySetLanguageAndTerritory(language, undefined, errors);
}
return true;
}
function trySetLanguageAndTerritory(language, territory, errors) {
var compilerFilePath = ts.normalizePath(ts.sys.getExecutingFilePath());
var containingDirectoryPath = ts.getDirectoryPath(compilerFilePath);
var filePath = ts.combinePaths(containingDirectoryPath, language);
if (territory) {
filePath = filePath + "-" + territory;
}
filePath = ts.sys.resolvePath(ts.combinePaths(filePath, "diagnosticMessages.generated.json"));
if (!ts.sys.fileExists(filePath)) {
return false;
}
var fileContents = "";
try {
fileContents = ts.sys.readFile(filePath);
}
catch (e) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unable_to_open_file_0, filePath));
return false;
}
try {
ts.localizedDiagnosticMessages = JSON.parse(fileContents);
}
catch (e) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Corrupted_locale_file_0, filePath));
return false;
}
return true;
}
function countLines(program) {
var count = 0;
ts.forEach(program.getSourceFiles(), function (file) {
count += ts.getLineStarts(file).length;
});
return count;
}
function getDiagnosticText(message) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
var diagnostic = ts.createCompilerDiagnostic.apply(undefined, arguments);
return diagnostic.messageText;
}
function reportDiagnosticSimply(diagnostic, host) {
ts.sys.write(ts.formatDiagnostics([diagnostic], host));
}
var redForegroundEscapeSequence = "\u001b[91m";
var yellowForegroundEscapeSequence = "\u001b[93m";
var blueForegroundEscapeSequence = "\u001b[93m";
var gutterStyleSequence = "\u001b[100;30m";
var gutterSeparator = " ";
var resetEscapeSequence = "\u001b[0m";
var ellipsis = "...";
var categoryFormatMap = ts.createMap((_a = {},
_a[ts.DiagnosticCategory.Warning] = yellowForegroundEscapeSequence,
_a[ts.DiagnosticCategory.Error] = redForegroundEscapeSequence,
_a[ts.DiagnosticCategory.Message] = blueForegroundEscapeSequence,
_a
));
function formatAndReset(text, formatStyle) {
return formatStyle + text + resetEscapeSequence;
}
function reportDiagnosticWithColorAndContext(diagnostic, host) {
var output = "";
if (diagnostic.file) {
var start = diagnostic.start, length_4 = diagnostic.length, file = diagnostic.file;
var _a = ts.getLineAndCharacterOfPosition(file, start), firstLine = _a.line, firstLineChar = _a.character;
var _b = ts.getLineAndCharacterOfPosition(file, start + length_4), lastLine = _b.line, lastLineChar = _b.character;
var lastLineInFile = ts.getLineAndCharacterOfPosition(file, file.text.length).line;
var relativeFileName = host ? ts.convertToRelativePath(file.fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }) : file.fileName;
var hasMoreThanFiveLines = (lastLine - firstLine) >= 4;
var gutterWidth = (lastLine + 1 + "").length;
if (hasMoreThanFiveLines) {
gutterWidth = Math.max(ellipsis.length, gutterWidth);
}
output += ts.sys.newLine;
for (var i = firstLine; i <= lastLine; i++) {
if (hasMoreThanFiveLines && firstLine + 1 < i && i < lastLine - 1) {
output += formatAndReset(padLeft(ellipsis, gutterWidth), gutterStyleSequence) + gutterSeparator + ts.sys.newLine;
i = lastLine - 1;
}
var lineStart = ts.getPositionOfLineAndCharacter(file, i, 0);
var lineEnd = i < lastLineInFile ? ts.getPositionOfLineAndCharacter(file, i + 1, 0) : file.text.length;
var lineContent = file.text.slice(lineStart, lineEnd);
lineContent = lineContent.replace(/\s+$/g, "");
lineContent = lineContent.replace("\t", " ");
output += formatAndReset(padLeft(i + 1 + "", gutterWidth), gutterStyleSequence) + gutterSeparator;
output += lineContent + ts.sys.newLine;
output += formatAndReset(padLeft("", gutterWidth), gutterStyleSequence) + gutterSeparator;
output += redForegroundEscapeSequence;
if (i === firstLine) {
var lastCharForLine = i === lastLine ? lastLineChar : undefined;
output += lineContent.slice(0, firstLineChar).replace(/\S/g, " ");
output += lineContent.slice(firstLineChar, lastCharForLine).replace(/./g, "~");
}
else if (i === lastLine) {
output += lineContent.slice(0, lastLineChar).replace(/./g, "~");
}
else {
output += lineContent.replace(/./g, "~");
}
output += resetEscapeSequence;
output += ts.sys.newLine;
}
output += ts.sys.newLine;
output += relativeFileName + "(" + (firstLine + 1) + "," + (firstLineChar + 1) + "): ";
}
var categoryColor = categoryFormatMap[diagnostic.category];
var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase();
output += formatAndReset(category, categoryColor) + " TS" + diagnostic.code + ": " + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine);
output += ts.sys.newLine + ts.sys.newLine;
ts.sys.write(output);
}
function reportWatchDiagnostic(diagnostic) {
var output = new Date().toLocaleTimeString() + " - ";
if (diagnostic.file) {
var loc = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start);
output += diagnostic.file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + "): ";
}
output += "" + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine) + ts.sys.newLine;
ts.sys.write(output);
}
function padLeft(s, length) {
while (s.length < length) {
s = " " + s;
}
return s;
}
function padRight(s, length) {
while (s.length < length) {
s = s + " ";
}
return s;
}
function reportStatisticalValue(name, value) {
ts.sys.write(padRight(name + ":", 12) + padLeft(value.toString(), 10) + ts.sys.newLine);
}
function reportCountStatistic(name, count) {
reportStatisticalValue(name, "" + count);
}
function reportTimeStatistic(name, time) {
reportStatisticalValue(name, (time / 1000).toFixed(2) + "s");
}
function isJSONSupported() {
return typeof JSON === "object" && typeof JSON.parse === "function";
}
function executeCommandLine(args) {
var commandLine = ts.parseCommandLine(args);
var configFileName;
var cachedConfigFileText;
var configFileWatcher;
var directoryWatcher;
var cachedProgram;
var rootFileNames;
var compilerOptions;
var compilerHost;
var hostGetSourceFile;
var timerHandleForRecompilation;
var timerHandleForDirectoryChanges;
var cachedExistingFiles;
var hostFileExists;
if (commandLine.options.locale) {
if (!isJSONSupported()) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--locale"), undefined);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
validateLocaleAndSetLanguage(commandLine.options.locale, commandLine.errors);
}
if (commandLine.errors.length > 0) {
reportDiagnostics(commandLine.errors, compilerHost);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
if (commandLine.options.init) {
writeConfigFile(commandLine.options, commandLine.fileNames);
return ts.sys.exit(ts.ExitStatus.Success);
}
if (commandLine.options.version) {
printVersion();
return ts.sys.exit(ts.ExitStatus.Success);
}
if (commandLine.options.help) {
printVersion();
printHelp();
return ts.sys.exit(ts.ExitStatus.Success);
}
if (commandLine.options.project) {
if (!isJSONSupported()) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--project"), undefined);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
if (commandLine.fileNames.length !== 0) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Option_project_cannot_be_mixed_with_source_files_on_a_command_line), undefined);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
var fileOrDirectory = ts.normalizePath(commandLine.options.project);
if (!fileOrDirectory || ts.sys.directoryExists(fileOrDirectory)) {
configFileName = ts.combinePaths(fileOrDirectory, "tsconfig.json");
if (!ts.sys.fileExists(configFileName)) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0, commandLine.options.project), undefined);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
}
else {
configFileName = fileOrDirectory;
if (!ts.sys.fileExists(configFileName)) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_specified_path_does_not_exist_Colon_0, commandLine.options.project), undefined);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
}
}
else if (commandLine.fileNames.length === 0 && isJSONSupported()) {
var searchPath = ts.normalizePath(ts.sys.getCurrentDirectory());
configFileName = ts.findConfigFile(searchPath, ts.sys.fileExists);
}
if (commandLine.fileNames.length === 0 && !configFileName) {
printVersion();
printHelp();
return ts.sys.exit(ts.ExitStatus.Success);
}
if (ts.isWatchSet(commandLine.options)) {
if (!ts.sys.watchFile) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--watch"), undefined);
return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
if (configFileName) {
configFileWatcher = ts.sys.watchFile(configFileName, configFileChanged);
}
if (ts.sys.watchDirectory && configFileName) {
var directory = ts.getDirectoryPath(configFileName);
directoryWatcher = ts.sys.watchDirectory(directory == "" ? "." : directory, watchedDirectoryChanged, true);
}
}
performCompilation();
function parseConfigFile() {
if (!cachedConfigFileText) {
try {
cachedConfigFileText = ts.sys.readFile(configFileName);
}
catch (e) {
var error = ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, configFileName, e.message);
reportWatchDiagnostic(error);
ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
return;
}
}
if (!cachedConfigFileText) {
var error = ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, configFileName);
reportDiagnostics([error], undefined);
ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
return;
}
var result = ts.parseConfigFileTextToJson(configFileName, cachedConfigFileText);
var configObject = result.config;
if (!configObject) {
reportDiagnostics([result.error], undefined);
ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
return;
}
var cwd = ts.sys.getCurrentDirectory();
var configParseResult = ts.parseJsonConfigFileContent(configObject, ts.sys, ts.getNormalizedAbsolutePath(ts.getDirectoryPath(configFileName), cwd), commandLine.options, ts.getNormalizedAbsolutePath(configFileName, cwd));
if (configParseResult.errors.length > 0) {
reportDiagnostics(configParseResult.errors, undefined);
ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
return;
}
if (ts.isWatchSet(configParseResult.options)) {
if (!ts.sys.watchFile) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--watch"), undefined);
ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped);
}
if (!directoryWatcher && ts.sys.watchDirectory && configFileName) {
var directory = ts.getDirectoryPath(configFileName);
directoryWatcher = ts.sys.watchDirectory(directory == "" ? "." : directory, watchedDirectoryChanged, true);
}
;
}
return configParseResult;
}
function performCompilation() {
if (!cachedProgram) {
if (configFileName) {
var configParseResult = parseConfigFile();
rootFileNames = configParseResult.fileNames;
compilerOptions = configParseResult.options;
}
else {
rootFileNames = commandLine.fileNames;
compilerOptions = commandLine.options;
}
compilerHost = ts.createCompilerHost(compilerOptions);
hostGetSourceFile = compilerHost.getSourceFile;
compilerHost.getSourceFile = getSourceFile;
hostFileExists = compilerHost.fileExists;
compilerHost.fileExists = cachedFileExists;
}
if (compilerOptions.pretty) {
reportDiagnosticWorker = reportDiagnosticWithColorAndContext;
}
cachedExistingFiles = ts.createMap();
var compileResult = compile(rootFileNames, compilerOptions, compilerHost);
if (!ts.isWatchSet(compilerOptions)) {
return ts.sys.exit(compileResult.exitStatus);
}
setCachedProgram(compileResult.program);
reportWatchDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Compilation_complete_Watching_for_file_changes));
}
function cachedFileExists(fileName) {
return fileName in cachedExistingFiles
? cachedExistingFiles[fileName]
: cachedExistingFiles[fileName] = hostFileExists(fileName);
}
function getSourceFile(fileName, languageVersion, onError) {
if (cachedProgram) {
var sourceFile_1 = cachedProgram.getSourceFile(fileName);
if (sourceFile_1 && sourceFile_1.fileWatcher) {
return sourceFile_1;
}
}
var sourceFile = hostGetSourceFile(fileName, languageVersion, onError);
if (sourceFile && ts.isWatchSet(compilerOptions) && ts.sys.watchFile) {
sourceFile.fileWatcher = ts.sys.watchFile(sourceFile.fileName, function (fileName, removed) { return sourceFileChanged(sourceFile, removed); });
}
return sourceFile;
}
function setCachedProgram(program) {
if (cachedProgram) {
var newSourceFiles_1 = program ? program.getSourceFiles() : undefined;
ts.forEach(cachedProgram.getSourceFiles(), function (sourceFile) {
if (!(newSourceFiles_1 && ts.contains(newSourceFiles_1, sourceFile))) {
if (sourceFile.fileWatcher) {
sourceFile.fileWatcher.close();
sourceFile.fileWatcher = undefined;
}
}
});
}
cachedProgram = program;
}
function sourceFileChanged(sourceFile, removed) {
sourceFile.fileWatcher.close();
sourceFile.fileWatcher = undefined;
if (removed) {
var index = rootFileNames.indexOf(sourceFile.fileName);
if (index >= 0) {
rootFileNames.splice(index, 1);
}
}
startTimerForRecompilation();
}
function configFileChanged() {
setCachedProgram(undefined);
cachedConfigFileText = undefined;
startTimerForRecompilation();
}
function watchedDirectoryChanged(fileName) {
if (fileName && !ts.isSupportedSourceFileName(fileName, compilerOptions)) {
return;
}
startTimerForHandlingDirectoryChanges();
}
function startTimerForHandlingDirectoryChanges() {
if (timerHandleForDirectoryChanges) {
clearTimeout(timerHandleForDirectoryChanges);
}
timerHandleForDirectoryChanges = setTimeout(directoryChangeHandler, 250);
}
function directoryChangeHandler() {
var parsedCommandLine = parseConfigFile();
var newFileNames = ts.map(parsedCommandLine.fileNames, compilerHost.getCanonicalFileName);
var canonicalRootFileNames = ts.map(rootFileNames, compilerHost.getCanonicalFileName);
if (!ts.arrayIsEqualTo(newFileNames && newFileNames.sort(), canonicalRootFileNames && canonicalRootFileNames.sort())) {
setCachedProgram(undefined);
startTimerForRecompilation();
}
}
function startTimerForRecompilation() {
if (timerHandleForRecompilation) {
clearTimeout(timerHandleForRecompilation);
}
timerHandleForRecompilation = setTimeout(recompile, 250);
}
function recompile() {
timerHandleForRecompilation = undefined;
reportWatchDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.File_change_detected_Starting_incremental_compilation));
performCompilation();
}
}
ts.executeCommandLine = executeCommandLine;
function compile(fileNames, compilerOptions, compilerHost) {
var hasDiagnostics = compilerOptions.diagnostics || compilerOptions.extendedDiagnostics;
if (hasDiagnostics)
ts.performance.enable();
var program = ts.createProgram(fileNames, compilerOptions, compilerHost);
var exitStatus = compileProgram();
if (compilerOptions.listFiles) {
ts.forEach(program.getSourceFiles(), function (file) {
ts.sys.write(file.fileName + ts.sys.newLine);
});
}
if (hasDiagnostics) {
var memoryUsed = ts.sys.getMemoryUsage ? ts.sys.getMemoryUsage() : -1;
reportCountStatistic("Files", program.getSourceFiles().length);
reportCountStatistic("Lines", countLines(program));
reportCountStatistic("Nodes", program.getNodeCount());
reportCountStatistic("Identifiers", program.getIdentifierCount());
reportCountStatistic("Symbols", program.getSymbolCount());
reportCountStatistic("Types", program.getTypeCount());
if (memoryUsed >= 0) {
reportStatisticalValue("Memory used", Math.round(memoryUsed / 1000) + "K");
}
var programTime = ts.performance.getDuration("Program");
var bindTime = ts.performance.getDuration("Bind");
var checkTime = ts.performance.getDuration("Check");
var emitTime = ts.performance.getDuration("Emit");
if (compilerOptions.extendedDiagnostics) {
ts.performance.forEachMeasure(function (name, duration) { return reportTimeStatistic(name + " time", duration); });
}
else {
reportTimeStatistic("I/O read", ts.performance.getDuration("I/O Read"));
reportTimeStatistic("I/O write", ts.performance.getDuration("I/O Write"));
reportTimeStatistic("Parse time", programTime);
reportTimeStatistic("Bind time", bindTime);
reportTimeStatistic("Check time", checkTime);
reportTimeStatistic("Emit time", emitTime);
}
reportTimeStatistic("Total time", programTime + bindTime + checkTime + emitTime);
ts.performance.disable();
}
return { program: program, exitStatus: exitStatus };
function compileProgram() {
var diagnostics;
diagnostics = program.getSyntacticDiagnostics();
if (diagnostics.length === 0) {
diagnostics = program.getOptionsDiagnostics().concat(program.getGlobalDiagnostics());
if (diagnostics.length === 0) {
diagnostics = program.getSemanticDiagnostics();
}
}
var emitOutput = program.emit();
diagnostics = diagnostics.concat(emitOutput.diagnostics);
reportDiagnostics(ts.sortAndDeduplicateDiagnostics(diagnostics), compilerHost);
reportEmittedFiles(emitOutput.emittedFiles, compilerHost);
if (emitOutput.emitSkipped && diagnostics.length > 0) {
return ts.ExitStatus.DiagnosticsPresent_OutputsSkipped;
}
else if (diagnostics.length > 0) {
return ts.ExitStatus.DiagnosticsPresent_OutputsGenerated;
}
return ts.ExitStatus.Success;
}
}
function printVersion() {
ts.sys.write(getDiagnosticText(ts.Diagnostics.Version_0, ts.version) + ts.sys.newLine);
}
function printHelp() {
var output = "";
var syntaxLength = getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, "").length;
var examplesLength = getDiagnosticText(ts.Diagnostics.Examples_Colon_0, "").length;
var marginLength = Math.max(syntaxLength, examplesLength);
var syntax = makePadding(marginLength - syntaxLength);
syntax += "tsc [" + getDiagnosticText(ts.Diagnostics.options) + "] [" + getDiagnosticText(ts.Diagnostics.file) + " ...]";
output += getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, syntax);
output += ts.sys.newLine + ts.sys.newLine;
var padding = makePadding(marginLength);
output += getDiagnosticText(ts.Diagnostics.Examples_Colon_0, makePadding(marginLength - examplesLength) + "tsc hello.ts") + ts.sys.newLine;
output += padding + "tsc --outFile file.js file.ts" + ts.sys.newLine;
output += padding + "tsc @args.txt" + ts.sys.newLine;
output += ts.sys.newLine;
output += getDiagnosticText(ts.Diagnostics.Options_Colon) + ts.sys.newLine;
var optsList = ts.filter(ts.optionDeclarations.slice(), function (v) { return !v.experimental; });
optsList.sort(function (a, b) { return ts.compareValues(a.name.toLowerCase(), b.name.toLowerCase()); });
marginLength = 0;
var usageColumn = [];
var descriptionColumn = [];
var optionsDescriptionMap = ts.createMap();
for (var i = 0; i < optsList.length; i++) {
var option = optsList[i];
if (!option.description) {
continue;
}
var usageText_1 = " ";
if (option.shortName) {
usageText_1 += "-" + option.shortName;
usageText_1 += getParamType(option);
usageText_1 += ", ";
}
usageText_1 += "--" + option.name;
usageText_1 += getParamType(option);
usageColumn.push(usageText_1);
var description = void 0;
if (option.name === "lib") {
description = getDiagnosticText(option.description);
var options = [];
var element = option.element;
var typeMap = element.type;
for (var key in typeMap) {
options.push("'" + key + "'");
}
optionsDescriptionMap[description] = options;
}
else {
description = getDiagnosticText(option.description);
}
descriptionColumn.push(description);
marginLength = Math.max(usageText_1.length, marginLength);
}
var usageText = " @<" + getDiagnosticText(ts.Diagnostics.file) + ">";
usageColumn.push(usageText);
descriptionColumn.push(getDiagnosticText(ts.Diagnostics.Insert_command_line_options_and_files_from_a_file));
marginLength = Math.max(usageText.length, marginLength);
for (var i = 0; i < usageColumn.length; i++) {
var usage = usageColumn[i];
var description = descriptionColumn[i];
var kindsList = optionsDescriptionMap[description];
output += usage + makePadding(marginLength - usage.length + 2) + description + ts.sys.newLine;
if (kindsList) {
output += makePadding(marginLength + 4);
for (var _i = 0, kindsList_1 = kindsList; _i < kindsList_1.length; _i++) {
var kind = kindsList_1[_i];
output += kind + " ";
}
output += ts.sys.newLine;
}
}
ts.sys.write(output);
return;
function getParamType(option) {
if (option.paramType !== undefined) {
return " " + getDiagnosticText(option.paramType);
}
return "";
}
function makePadding(paddingLength) {
return Array(paddingLength + 1).join(" ");
}
}
function writeConfigFile(options, fileNames) {
var currentDirectory = ts.sys.getCurrentDirectory();
var file = ts.normalizePath(ts.combinePaths(currentDirectory, "tsconfig.json"));
if (ts.sys.fileExists(file)) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.A_tsconfig_json_file_is_already_defined_at_Colon_0, file), undefined);
}
else {
ts.sys.writeFile(file, JSON.stringify(ts.generateTSConfig(options, fileNames), undefined, 4));
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Successfully_created_a_tsconfig_json_file), undefined);
}
return;
}
var _a;
})(ts || (ts = {}));
ts.executeCommandLine(ts.sys.args);
