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- define(function(require, exports, module) {
- module.exports = (function outer (modules, cache, entry) {
- var previousRequire = typeof require == "function" && require;
- function newRequire(name, jumped){
- if(!cache[name]) {
- if(!modules[name]) {
- var currentRequire = typeof require == "function" && require;
- if (!jumped && currentRequire) return currentRequire(name, true);
- if (previousRequire) return previousRequire(name, true);
- var err = new Error('Cannot find module \'' + name + '\'');
- err.code = 'MODULE_NOT_FOUND';
- throw err;
- }
- var m = cache[name] = {exports:{}};
- modules[name][0].call(m.exports, function(x){
- var id = modules[name][1][x];
- return newRequire(id ? id : x);
- },m,m.exports,outer,modules,cache,entry);
- }
- return cache[name].exports;
- }
- for(var i=0;i<entry.length;i++) newRequire(entry[i]);
- return newRequire(entry[0]);
- })
- ({"/node_modules/browserify/node_modules/events/events.js":[function(_dereq_,module,exports){
- // Copyright Joyent, Inc. and other Node contributors.
- //
- // Permission is hereby granted, free of charge, to any person obtaining a
- // copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to permit
- // persons to whom the Software is furnished to do so, subject to the
- // following conditions:
- //
- // The above copyright notice and this permission notice shall be included
- // in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
- // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
- // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- // USE OR OTHER DEALINGS IN THE SOFTWARE.
- function EventEmitter() {
- this._events = this._events || {};
- this._maxListeners = this._maxListeners || undefined;
- }
- module.exports = EventEmitter;
- // Backwards-compat with node 0.10.x
- EventEmitter.EventEmitter = EventEmitter;
- EventEmitter.prototype._events = undefined;
- EventEmitter.prototype._maxListeners = undefined;
- // By default EventEmitters will print a warning if more than 10 listeners are
- // added to it. This is a useful default which helps finding memory leaks.
- EventEmitter.defaultMaxListeners = 10;
- // Obviously not all Emitters should be limited to 10. This function allows
- // that to be increased. Set to zero for unlimited.
- EventEmitter.prototype.setMaxListeners = function(n) {
- if (!isNumber(n) || n < 0 || isNaN(n))
- throw TypeError('n must be a positive number');
- this._maxListeners = n;
- return this;
- };
- EventEmitter.prototype.emit = function(type) {
- var er, handler, len, args, i, listeners;
- if (!this._events)
- this._events = {};
- // If there is no 'error' event listener then throw.
- if (type === 'error') {
- if (!this._events.error ||
- (isObject(this._events.error) && !this._events.error.length)) {
- er = arguments[1];
- if (er instanceof Error) {
- throw er; // Unhandled 'error' event
- }
- throw TypeError('Uncaught, unspecified "error" event.');
- }
- }
- handler = this._events[type];
- if (isUndefined(handler))
- return false;
- if (isFunction(handler)) {
- switch (arguments.length) {
- // fast cases
- case 1:
- handler.call(this);
- break;
- case 2:
- handler.call(this, arguments[1]);
- break;
- case 3:
- handler.call(this, arguments[1], arguments[2]);
- break;
- // slower
- default:
- len = arguments.length;
- args = new Array(len - 1);
- for (i = 1; i < len; i++)
- args[i - 1] = arguments[i];
- handler.apply(this, args);
- }
- } else if (isObject(handler)) {
- len = arguments.length;
- args = new Array(len - 1);
- for (i = 1; i < len; i++)
- args[i - 1] = arguments[i];
- listeners = handler.slice();
- len = listeners.length;
- for (i = 0; i < len; i++)
- listeners[i].apply(this, args);
- }
- return true;
- };
- EventEmitter.prototype.addListener = function(type, listener) {
- var m;
- if (!isFunction(listener))
- throw TypeError('listener must be a function');
- if (!this._events)
- this._events = {};
- // To avoid recursion in the case that type === "newListener"! Before
- // adding it to the listeners, first emit "newListener".
- if (this._events.newListener)
- this.emit('newListener', type,
- isFunction(listener.listener) ?
- listener.listener : listener);
- if (!this._events[type])
- // Optimize the case of one listener. Don't need the extra array object.
- this._events[type] = listener;
- else if (isObject(this._events[type]))
- // If we've already got an array, just append.
- this._events[type].push(listener);
- else
- // Adding the second element, need to change to array.
- this._events[type] = [this._events[type], listener];
- // Check for listener leak
- if (isObject(this._events[type]) && !this._events[type].warned) {
- var m;
- if (!isUndefined(this._maxListeners)) {
- m = this._maxListeners;
- } else {
- m = EventEmitter.defaultMaxListeners;
- }
- if (m && m > 0 && this._events[type].length > m) {
- this._events[type].warned = true;
- console.error('(node) warning: possible EventEmitter memory ' +
- 'leak detected. %d listeners added. ' +
- 'Use emitter.setMaxListeners() to increase limit.',
- this._events[type].length);
- if (typeof console.trace === 'function') {
- // not supported in IE 10
- console.trace();
- }
- }
- }
- return this;
- };
- EventEmitter.prototype.on = EventEmitter.prototype.addListener;
- EventEmitter.prototype.once = function(type, listener) {
- if (!isFunction(listener))
- throw TypeError('listener must be a function');
- var fired = false;
- function g() {
- this.removeListener(type, g);
- if (!fired) {
- fired = true;
- listener.apply(this, arguments);
- }
- }
- g.listener = listener;
- this.on(type, g);
- return this;
- };
- // emits a 'removeListener' event iff the listener was removed
- EventEmitter.prototype.removeListener = function(type, listener) {
- var list, position, length, i;
- if (!isFunction(listener))
- throw TypeError('listener must be a function');
- if (!this._events || !this._events[type])
- return this;
- list = this._events[type];
- length = list.length;
- position = -1;
- if (list === listener ||
- (isFunction(list.listener) && list.listener === listener)) {
- delete this._events[type];
- if (this._events.removeListener)
- this.emit('removeListener', type, listener);
- } else if (isObject(list)) {
- for (i = length; i-- > 0;) {
- if (list[i] === listener ||
- (list[i].listener && list[i].listener === listener)) {
- position = i;
- break;
- }
- }
- if (position < 0)
- return this;
- if (list.length === 1) {
- list.length = 0;
- delete this._events[type];
- } else {
- list.splice(position, 1);
- }
- if (this._events.removeListener)
- this.emit('removeListener', type, listener);
- }
- return this;
- };
- EventEmitter.prototype.removeAllListeners = function(type) {
- var key, listeners;
- if (!this._events)
- return this;
- // not listening for removeListener, no need to emit
- if (!this._events.removeListener) {
- if (arguments.length === 0)
- this._events = {};
- else if (this._events[type])
- delete this._events[type];
- return this;
- }
- // emit removeListener for all listeners on all events
- if (arguments.length === 0) {
- for (key in this._events) {
- if (key === 'removeListener') continue;
- this.removeAllListeners(key);
- }
- this.removeAllListeners('removeListener');
- this._events = {};
- return this;
- }
- listeners = this._events[type];
- if (isFunction(listeners)) {
- this.removeListener(type, listeners);
- } else {
- // LIFO order
- while (listeners.length)
- this.removeListener(type, listeners[listeners.length - 1]);
- }
- delete this._events[type];
- return this;
- };
- EventEmitter.prototype.listeners = function(type) {
- var ret;
- if (!this._events || !this._events[type])
- ret = [];
- else if (isFunction(this._events[type]))
- ret = [this._events[type]];
- else
- ret = this._events[type].slice();
- return ret;
- };
- EventEmitter.listenerCount = function(emitter, type) {
- var ret;
- if (!emitter._events || !emitter._events[type])
- ret = 0;
- else if (isFunction(emitter._events[type]))
- ret = 1;
- else
- ret = emitter._events[type].length;
- return ret;
- };
- function isFunction(arg) {
- return typeof arg === 'function';
- }
- function isNumber(arg) {
- return typeof arg === 'number';
- }
- function isObject(arg) {
- return typeof arg === 'object' && arg !== null;
- }
- function isUndefined(arg) {
- return arg === void 0;
- }
- },{}],"/node_modules/jshint/data/ascii-identifier-data.js":[function(_dereq_,module,exports){
- var identifierStartTable = [];
- for (var i = 0; i < 128; i++) {
- identifierStartTable[i] =
- i === 36 || // $
- i >= 65 && i <= 90 || // A-Z
- i === 95 || // _
- i >= 97 && i <= 122; // a-z
- }
- var identifierPartTable = [];
- for (var i = 0; i < 128; i++) {
- identifierPartTable[i] =
- identifierStartTable[i] || // $, _, A-Z, a-z
- i >= 48 && i <= 57; // 0-9
- }
- module.exports = {
- asciiIdentifierStartTable: identifierStartTable,
- asciiIdentifierPartTable: identifierPartTable
- };
- },{}],"/node_modules/jshint/lodash.js":[function(_dereq_,module,exports){
- (function (global){
- ;(function() {
- var undefined;
- var VERSION = '3.7.0';
- var FUNC_ERROR_TEXT = 'Expected a function';
- var argsTag = '[object Arguments]',
- arrayTag = '[object Array]',
- boolTag = '[object Boolean]',
- dateTag = '[object Date]',
- errorTag = '[object Error]',
- funcTag = '[object Function]',
- mapTag = '[object Map]',
- numberTag = '[object Number]',
- objectTag = '[object Object]',
- regexpTag = '[object RegExp]',
- setTag = '[object Set]',
- stringTag = '[object String]',
- weakMapTag = '[object WeakMap]';
- var arrayBufferTag = '[object ArrayBuffer]',
- float32Tag = '[object Float32Array]',
- float64Tag = '[object Float64Array]',
- int8Tag = '[object Int8Array]',
- int16Tag = '[object Int16Array]',
- int32Tag = '[object Int32Array]',
- uint8Tag = '[object Uint8Array]',
- uint8ClampedTag = '[object Uint8ClampedArray]',
- uint16Tag = '[object Uint16Array]',
- uint32Tag = '[object Uint32Array]';
- var reIsDeepProp = /\.|\[(?:[^[\]]+|(["'])(?:(?!\1)[^\n\\]|\\.)*?)\1\]/,
- reIsPlainProp = /^\w*$/,
- rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\n\\]|\\.)*?)\2)\]/g;
- var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g,
- reHasRegExpChars = RegExp(reRegExpChars.source);
- var reEscapeChar = /\\(\\)?/g;
- var reFlags = /\w*$/;
- var reIsHostCtor = /^\[object .+?Constructor\]$/;
- var typedArrayTags = {};
- typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
- typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
- typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
- typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
- typedArrayTags[uint32Tag] = true;
- typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
- typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
- typedArrayTags[dateTag] = typedArrayTags[errorTag] =
- typedArrayTags[funcTag] = typedArrayTags[mapTag] =
- typedArrayTags[numberTag] = typedArrayTags[objectTag] =
- typedArrayTags[regexpTag] = typedArrayTags[setTag] =
- typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;
- var cloneableTags = {};
- cloneableTags[argsTag] = cloneableTags[arrayTag] =
- cloneableTags[arrayBufferTag] = cloneableTags[boolTag] =
- cloneableTags[dateTag] = cloneableTags[float32Tag] =
- cloneableTags[float64Tag] = cloneableTags[int8Tag] =
- cloneableTags[int16Tag] = cloneableTags[int32Tag] =
- cloneableTags[numberTag] = cloneableTags[objectTag] =
- cloneableTags[regexpTag] = cloneableTags[stringTag] =
- cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
- cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
- cloneableTags[errorTag] = cloneableTags[funcTag] =
- cloneableTags[mapTag] = cloneableTags[setTag] =
- cloneableTags[weakMapTag] = false;
- var objectTypes = {
- 'function': true,
- 'object': true
- };
- var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
- var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
- var freeGlobal = freeExports && freeModule && typeof global == 'object' && global && global.Object && global;
- var freeSelf = objectTypes[typeof self] && self && self.Object && self;
- var freeWindow = objectTypes[typeof window] && window && window.Object && window;
- var moduleExports = freeModule && freeModule.exports === freeExports && freeExports;
- var root = freeGlobal || ((freeWindow !== (this && this.window)) && freeWindow) || freeSelf || this;
- function baseFindIndex(array, predicate, fromRight) {
- var length = array.length,
- index = fromRight ? length : -1;
- while ((fromRight ? index-- : ++index < length)) {
- if (predicate(array[index], index, array)) {
- return index;
- }
- }
- return -1;
- }
- function baseIndexOf(array, value, fromIndex) {
- if (value !== value) {
- return indexOfNaN(array, fromIndex);
- }
- var index = fromIndex - 1,
- length = array.length;
- while (++index < length) {
- if (array[index] === value) {
- return index;
- }
- }
- return -1;
- }
- function baseIsFunction(value) {
- return typeof value == 'function' || false;
- }
- function baseToString(value) {
- if (typeof value == 'string') {
- return value;
- }
- return value == null ? '' : (value + '');
- }
- function indexOfNaN(array, fromIndex, fromRight) {
- var length = array.length,
- index = fromIndex + (fromRight ? 0 : -1);
- while ((fromRight ? index-- : ++index < length)) {
- var other = array[index];
- if (other !== other) {
- return index;
- }
- }
- return -1;
- }
- function isObjectLike(value) {
- return !!value && typeof value == 'object';
- }
- var arrayProto = Array.prototype,
- objectProto = Object.prototype;
- var fnToString = Function.prototype.toString;
- var hasOwnProperty = objectProto.hasOwnProperty;
- var objToString = objectProto.toString;
- var reIsNative = RegExp('^' +
- escapeRegExp(objToString)
- .replace(/toString|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
- );
- var ArrayBuffer = isNative(ArrayBuffer = root.ArrayBuffer) && ArrayBuffer,
- bufferSlice = isNative(bufferSlice = ArrayBuffer && new ArrayBuffer(0).slice) && bufferSlice,
- floor = Math.floor,
- getOwnPropertySymbols = isNative(getOwnPropertySymbols = Object.getOwnPropertySymbols) && getOwnPropertySymbols,
- getPrototypeOf = isNative(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf,
- push = arrayProto.push,
- preventExtensions = isNative(Object.preventExtensions = Object.preventExtensions) && preventExtensions,
- propertyIsEnumerable = objectProto.propertyIsEnumerable,
- Uint8Array = isNative(Uint8Array = root.Uint8Array) && Uint8Array;
- var Float64Array = (function() {
- try {
- var func = isNative(func = root.Float64Array) && func,
- result = new func(new ArrayBuffer(10), 0, 1) && func;
- } catch(e) {}
- return result;
- }());
- var nativeAssign = (function() {
- var object = { '1': 0 },
- func = preventExtensions && isNative(func = Object.assign) && func;
- try { func(preventExtensions(object), 'xo'); } catch(e) {}
- return !object[1] && func;
- }());
- var nativeIsArray = isNative(nativeIsArray = Array.isArray) && nativeIsArray,
- nativeKeys = isNative(nativeKeys = Object.keys) && nativeKeys,
- nativeMax = Math.max,
- nativeMin = Math.min;
- var NEGATIVE_INFINITY = Number.NEGATIVE_INFINITY;
- var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1,
- MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
- HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
- var FLOAT64_BYTES_PER_ELEMENT = Float64Array ? Float64Array.BYTES_PER_ELEMENT : 0;
- var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
- function lodash() {
- }
- var support = lodash.support = {};
- (function(x) {
- var Ctor = function() { this.x = x; },
- object = { '0': x, 'length': x },
- props = [];
- Ctor.prototype = { 'valueOf': x, 'y': x };
- for (var key in new Ctor) { props.push(key); }
- support.funcDecomp = /\bthis\b/.test(function() { return this; });
- support.funcNames = typeof Function.name == 'string';
- try {
- support.nonEnumArgs = !propertyIsEnumerable.call(arguments, 1);
- } catch(e) {
- support.nonEnumArgs = true;
- }
- }(1, 0));
- function arrayCopy(source, array) {
- var index = -1,
- length = source.length;
- array || (array = Array(length));
- while (++index < length) {
- array[index] = source[index];
- }
- return array;
- }
- function arrayEach(array, iteratee) {
- var index = -1,
- length = array.length;
- while (++index < length) {
- if (iteratee(array[index], index, array) === false) {
- break;
- }
- }
- return array;
- }
- function arrayFilter(array, predicate) {
- var index = -1,
- length = array.length,
- resIndex = -1,
- result = [];
- while (++index < length) {
- var value = array[index];
- if (predicate(value, index, array)) {
- result[++resIndex] = value;
- }
- }
- return result;
- }
- function arrayMap(array, iteratee) {
- var index = -1,
- length = array.length,
- result = Array(length);
- while (++index < length) {
- result[index] = iteratee(array[index], index, array);
- }
- return result;
- }
- function arrayMax(array) {
- var index = -1,
- length = array.length,
- result = NEGATIVE_INFINITY;
- while (++index < length) {
- var value = array[index];
- if (value > result) {
- result = value;
- }
- }
- return result;
- }
- function arraySome(array, predicate) {
- var index = -1,
- length = array.length;
- while (++index < length) {
- if (predicate(array[index], index, array)) {
- return true;
- }
- }
- return false;
- }
- function assignWith(object, source, customizer) {
- var props = keys(source);
- push.apply(props, getSymbols(source));
- var index = -1,
- length = props.length;
- while (++index < length) {
- var key = props[index],
- value = object[key],
- result = customizer(value, source[key], key, object, source);
- if ((result === result ? (result !== value) : (value === value)) ||
- (value === undefined && !(key in object))) {
- object[key] = result;
- }
- }
- return object;
- }
- var baseAssign = nativeAssign || function(object, source) {
- return source == null
- ? object
- : baseCopy(source, getSymbols(source), baseCopy(source, keys(source), object));
- };
- function baseCopy(source, props, object) {
- object || (object = {});
- var index = -1,
- length = props.length;
- while (++index < length) {
- var key = props[index];
- object[key] = source[key];
- }
- return object;
- }
- function baseCallback(func, thisArg, argCount) {
- var type = typeof func;
- if (type == 'function') {
- return thisArg === undefined
- ? func
- : bindCallback(func, thisArg, argCount);
- }
- if (func == null) {
- return identity;
- }
- if (type == 'object') {
- return baseMatches(func);
- }
- return thisArg === undefined
- ? property(func)
- : baseMatchesProperty(func, thisArg);
- }
- function baseClone(value, isDeep, customizer, key, object, stackA, stackB) {
- var result;
- if (customizer) {
- result = object ? customizer(value, key, object) : customizer(value);
- }
- if (result !== undefined) {
- return result;
- }
- if (!isObject(value)) {
- return value;
- }
- var isArr = isArray(value);
- if (isArr) {
- result = initCloneArray(value);
- if (!isDeep) {
- return arrayCopy(value, result);
- }
- } else {
- var tag = objToString.call(value),
- isFunc = tag == funcTag;
- if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
- result = initCloneObject(isFunc ? {} : value);
- if (!isDeep) {
- return baseAssign(result, value);
- }
- } else {
- return cloneableTags[tag]
- ? initCloneByTag(value, tag, isDeep)
- : (object ? value : {});
- }
- }
- stackA || (stackA = []);
- stackB || (stackB = []);
- var length = stackA.length;
- while (length--) {
- if (stackA[length] == value) {
- return stackB[length];
- }
- }
- stackA.push(value);
- stackB.push(result);
- (isArr ? arrayEach : baseForOwn)(value, function(subValue, key) {
- result[key] = baseClone(subValue, isDeep, customizer, key, value, stackA, stackB);
- });
- return result;
- }
- var baseEach = createBaseEach(baseForOwn);
- function baseFilter(collection, predicate) {
- var result = [];
- baseEach(collection, function(value, index, collection) {
- if (predicate(value, index, collection)) {
- result.push(value);
- }
- });
- return result;
- }
- var baseFor = createBaseFor();
- function baseForIn(object, iteratee) {
- return baseFor(object, iteratee, keysIn);
- }
- function baseForOwn(object, iteratee) {
- return baseFor(object, iteratee, keys);
- }
- function baseGet(object, path, pathKey) {
- if (object == null) {
- return;
- }
- if (pathKey !== undefined && pathKey in toObject(object)) {
- path = [pathKey];
- }
- var index = -1,
- length = path.length;
- while (object != null && ++index < length) {
- var result = object = object[path[index]];
- }
- return result;
- }
- function baseIsEqual(value, other, customizer, isLoose, stackA, stackB) {
- if (value === other) {
- return value !== 0 || (1 / value == 1 / other);
- }
- var valType = typeof value,
- othType = typeof other;
- if ((valType != 'function' && valType != 'object' && othType != 'function' && othType != 'object') ||
- value == null || other == null) {
- return value !== value && other !== other;
- }
- return baseIsEqualDeep(value, other, baseIsEqual, customizer, isLoose, stackA, stackB);
- }
- function baseIsEqualDeep(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
- var objIsArr = isArray(object),
- othIsArr = isArray(other),
- objTag = arrayTag,
- othTag = arrayTag;
- if (!objIsArr) {
- objTag = objToString.call(object);
- if (objTag == argsTag) {
- objTag = objectTag;
- } else if (objTag != objectTag) {
- objIsArr = isTypedArray(object);
- }
- }
- if (!othIsArr) {
- othTag = objToString.call(other);
- if (othTag == argsTag) {
- othTag = objectTag;
- } else if (othTag != objectTag) {
- othIsArr = isTypedArray(other);
- }
- }
- var objIsObj = objTag == objectTag,
- othIsObj = othTag == objectTag,
- isSameTag = objTag == othTag;
- if (isSameTag && !(objIsArr || objIsObj)) {
- return equalByTag(object, other, objTag);
- }
- if (!isLoose) {
- var valWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
- othWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
- if (valWrapped || othWrapped) {
- return equalFunc(valWrapped ? object.value() : object, othWrapped ? other.value() : other, customizer, isLoose, stackA, stackB);
- }
- }
- if (!isSameTag) {
- return false;
- }
- stackA || (stackA = []);
- stackB || (stackB = []);
- var length = stackA.length;
- while (length--) {
- if (stackA[length] == object) {
- return stackB[length] == other;
- }
- }
- stackA.push(object);
- stackB.push(other);
- var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isLoose, stackA, stackB);
- stackA.pop();
- stackB.pop();
- return result;
- }
- function baseIsMatch(object, props, values, strictCompareFlags, customizer) {
- var index = -1,
- length = props.length,
- noCustomizer = !customizer;
- while (++index < length) {
- if ((noCustomizer && strictCompareFlags[index])
- ? values[index] !== object[props[index]]
- : !(props[index] in object)
- ) {
- return false;
- }
- }
- index = -1;
- while (++index < length) {
- var key = props[index],
- objValue = object[key],
- srcValue = values[index];
- if (noCustomizer && strictCompareFlags[index]) {
- var result = objValue !== undefined || (key in object);
- } else {
- result = customizer ? customizer(objValue, srcValue, key) : undefined;
- if (result === undefined) {
- result = baseIsEqual(srcValue, objValue, customizer, true);
- }
- }
- if (!result) {
- return false;
- }
- }
- return true;
- }
- function baseMatches(source) {
- var props = keys(source),
- length = props.length;
- if (!length) {
- return constant(true);
- }
- if (length == 1) {
- var key = props[0],
- value = source[key];
- if (isStrictComparable(value)) {
- return function(object) {
- if (object == null) {
- return false;
- }
- return object[key] === value && (value !== undefined || (key in toObject(object)));
- };
- }
- }
- var values = Array(length),
- strictCompareFlags = Array(length);
- while (length--) {
- value = source[props[length]];
- values[length] = value;
- strictCompareFlags[length] = isStrictComparable(value);
- }
- return function(object) {
- return object != null && baseIsMatch(toObject(object), props, values, strictCompareFlags);
- };
- }
- function baseMatchesProperty(path, value) {
- var isArr = isArray(path),
- isCommon = isKey(path) && isStrictComparable(value),
- pathKey = (path + '');
- path = toPath(path);
- return function(object) {
- if (object == null) {
- return false;
- }
- var key = pathKey;
- object = toObject(object);
- if ((isArr || !isCommon) && !(key in object)) {
- object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
- if (object == null) {
- return false;
- }
- key = last(path);
- object = toObject(object);
- }
- return object[key] === value
- ? (value !== undefined || (key in object))
- : baseIsEqual(value, object[key], null, true);
- };
- }
- function baseMerge(object, source, customizer, stackA, stackB) {
- if (!isObject(object)) {
- return object;
- }
- var isSrcArr = isLength(source.length) && (isArray(source) || isTypedArray(source));
- if (!isSrcArr) {
- var props = keys(source);
- push.apply(props, getSymbols(source));
- }
- arrayEach(props || source, function(srcValue, key) {
- if (props) {
- key = srcValue;
- srcValue = source[key];
- }
- if (isObjectLike(srcValue)) {
- stackA || (stackA = []);
- stackB || (stackB = []);
- baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);
- }
- else {
- var value = object[key],
- result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
- isCommon = result === undefined;
- if (isCommon) {
- result = srcValue;
- }
- if ((isSrcArr || result !== undefined) &&
- (isCommon || (result === result ? (result !== value) : (value === value)))) {
- object[key] = result;
- }
- }
- });
- return object;
- }
- function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {
- var length = stackA.length,
- srcValue = source[key];
- while (length--) {
- if (stackA[length] == srcValue) {
- object[key] = stackB[length];
- return;
- }
- }
- var value = object[key],
- result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
- isCommon = result === undefined;
- if (isCommon) {
- result = srcValue;
- if (isLength(srcValue.length) && (isArray(srcValue) || isTypedArray(srcValue))) {
- result = isArray(value)
- ? value
- : (getLength(value) ? arrayCopy(value) : []);
- }
- else if (isPlainObject(srcValue) || isArguments(srcValue)) {
- result = isArguments(value)
- ? toPlainObject(value)
- : (isPlainObject(value) ? value : {});
- }
- else {
- isCommon = false;
- }
- }
- stackA.push(srcValue);
- stackB.push(result);
- if (isCommon) {
- object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);
- } else if (result === result ? (result !== value) : (value === value)) {
- object[key] = result;
- }
- }
- function baseProperty(key) {
- return function(object) {
- return object == null ? undefined : object[key];
- };
- }
- function basePropertyDeep(path) {
- var pathKey = (path + '');
- path = toPath(path);
- return function(object) {
- return baseGet(object, path, pathKey);
- };
- }
- function baseSlice(array, start, end) {
- var index = -1,
- length = array.length;
- start = start == null ? 0 : (+start || 0);
- if (start < 0) {
- start = -start > length ? 0 : (length + start);
- }
- end = (end === undefined || end > length) ? length : (+end || 0);
- if (end < 0) {
- end += length;
- }
- length = start > end ? 0 : ((end - start) >>> 0);
- start >>>= 0;
- var result = Array(length);
- while (++index < length) {
- result[index] = array[index + start];
- }
- return result;
- }
- function baseSome(collection, predicate) {
- var result;
- baseEach(collection, function(value, index, collection) {
- result = predicate(value, index, collection);
- return !result;
- });
- return !!result;
- }
- function baseValues(object, props) {
- var index = -1,
- length = props.length,
- result = Array(length);
- while (++index < length) {
- result[index] = object[props[index]];
- }
- return result;
- }
- function binaryIndex(array, value, retHighest) {
- var low = 0,
- high = array ? array.length : low;
- if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
- while (low < high) {
- var mid = (low + high) >>> 1,
- computed = array[mid];
- if (retHighest ? (computed <= value) : (computed < value)) {
- low = mid + 1;
- } else {
- high = mid;
- }
- }
- return high;
- }
- return binaryIndexBy(array, value, identity, retHighest);
- }
- function binaryIndexBy(array, value, iteratee, retHighest) {
- value = iteratee(value);
- var low = 0,
- high = array ? array.length : 0,
- valIsNaN = value !== value,
- valIsUndef = value === undefined;
- while (low < high) {
- var mid = floor((low + high) / 2),
- computed = iteratee(array[mid]),
- isReflexive = computed === computed;
- if (valIsNaN) {
- var setLow = isReflexive || retHighest;
- } else if (valIsUndef) {
- setLow = isReflexive && (retHighest || computed !== undefined);
- } else {
- setLow = retHighest ? (computed <= value) : (computed < value);
- }
- if (setLow) {
- low = mid + 1;
- } else {
- high = mid;
- }
- }
- return nativeMin(high, MAX_ARRAY_INDEX);
- }
- function bindCallback(func, thisArg, argCount) {
- if (typeof func != 'function') {
- return identity;
- }
- if (thisArg === undefined) {
- return func;
- }
- switch (argCount) {
- case 1: return function(value) {
- return func.call(thisArg, value);
- };
- case 3: return function(value, index, collection) {
- return func.call(thisArg, value, index, collection);
- };
- case 4: return function(accumulator, value, index, collection) {
- return func.call(thisArg, accumulator, value, index, collection);
- };
- case 5: return function(value, other, key, object, source) {
- return func.call(thisArg, value, other, key, object, source);
- };
- }
- return function() {
- return func.apply(thisArg, arguments);
- };
- }
- function bufferClone(buffer) {
- return bufferSlice.call(buffer, 0);
- }
- if (!bufferSlice) {
- bufferClone = !(ArrayBuffer && Uint8Array) ? constant(null) : function(buffer) {
- var byteLength = buffer.byteLength,
- floatLength = Float64Array ? floor(byteLength / FLOAT64_BYTES_PER_ELEMENT) : 0,
- offset = floatLength * FLOAT64_BYTES_PER_ELEMENT,
- result = new ArrayBuffer(byteLength);
- if (floatLength) {
- var view = new Float64Array(result, 0, floatLength);
- view.set(new Float64Array(buffer, 0, floatLength));
- }
- if (byteLength != offset) {
- view = new Uint8Array(result, offset);
- view.set(new Uint8Array(buffer, offset));
- }
- return result;
- };
- }
- function createAssigner(assigner) {
- return restParam(function(object, sources) {
- var index = -1,
- length = object == null ? 0 : sources.length,
- customizer = length > 2 && sources[length - 2],
- guard = length > 2 && sources[2],
- thisArg = length > 1 && sources[length - 1];
- if (typeof customizer == 'function') {
- customizer = bindCallback(customizer, thisArg, 5);
- length -= 2;
- } else {
- customizer = typeof thisArg == 'function' ? thisArg : null;
- length -= (customizer ? 1 : 0);
- }
- if (guard && isIterateeCall(sources[0], sources[1], guard)) {
- customizer = length < 3 ? null : customizer;
- length = 1;
- }
- while (++index < length) {
- var source = sources[index];
- if (source) {
- assigner(object, source, customizer);
- }
- }
- return object;
- });
- }
- function createBaseEach(eachFunc, fromRight) {
- return function(collection, iteratee) {
- var length = collection ? getLength(collection) : 0;
- if (!isLength(length)) {
- return eachFunc(collection, iteratee);
- }
- var index = fromRight ? length : -1,
- iterable = toObject(collection);
- while ((fromRight ? index-- : ++index < length)) {
- if (iteratee(iterable[index], index, iterable) === false) {
- break;
- }
- }
- return collection;
- };
- }
- function createBaseFor(fromRight) {
- return function(object, iteratee, keysFunc) {
- var iterable = toObject(object),
- props = keysFunc(object),
- length = props.length,
- index = fromRight ? length : -1;
- while ((fromRight ? index-- : ++index < length)) {
- var key = props[index];
- if (iteratee(iterable[key], key, iterable) === false) {
- break;
- }
- }
- return object;
- };
- }
- function createFindIndex(fromRight) {
- return function(array, predicate, thisArg) {
- if (!(array && array.length)) {
- return -1;
- }
- predicate = getCallback(predicate, thisArg, 3);
- return baseFindIndex(array, predicate, fromRight);
- };
- }
- function createForEach(arrayFunc, eachFunc) {
- return function(collection, iteratee, thisArg) {
- return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))
- ? arrayFunc(collection, iteratee)
- : eachFunc(collection, bindCallback(iteratee, thisArg, 3));
- };
- }
- function equalArrays(array, other, equalFunc, customizer, isLoose, stackA, stackB) {
- var index = -1,
- arrLength = array.length,
- othLength = other.length,
- result = true;
- if (arrLength != othLength && !(isLoose && othLength > arrLength)) {
- return false;
- }
- while (result && ++index < arrLength) {
- var arrValue = array[index],
- othValue = other[index];
- result = undefined;
- if (customizer) {
- result = isLoose
- ? customizer(othValue, arrValue, index)
- : customizer(arrValue, othValue, index);
- }
- if (result === undefined) {
- if (isLoose) {
- var othIndex = othLength;
- while (othIndex--) {
- othValue = other[othIndex];
- result = (arrValue && arrValue === othValue) || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);
- if (result) {
- break;
- }
- }
- } else {
- result = (arrValue && arrValue === othValue) || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);
- }
- }
- }
- return !!result;
- }
- function equalByTag(object, other, tag) {
- switch (tag) {
- case boolTag:
- case dateTag:
- return +object == +other;
- case errorTag:
- return object.name == other.name && object.message == other.message;
- case numberTag:
- return (object != +object)
- ? other != +other
- : (object == 0 ? ((1 / object) == (1 / other)) : object == +other);
- case regexpTag:
- case stringTag:
- return object == (other + '');
- }
- return false;
- }
- function equalObjects(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
- var objProps = keys(object),
- objLength = objProps.length,
- othProps = keys(other),
- othLength = othProps.length;
- if (objLength != othLength && !isLoose) {
- return false;
- }
- var skipCtor = isLoose,
- index = -1;
- while (++index < objLength) {
- var key = objProps[index],
- result = isLoose ? key in other : hasOwnProperty.call(other, key);
- if (result) {
- var objValue = object[key],
- othValue = other[key];
- result = undefined;
- if (customizer) {
- result = isLoose
- ? customizer(othValue, objValue, key)
- : customizer(objValue, othValue, key);
- }
- if (result === undefined) {
- result = (objValue && objValue === othValue) || equalFunc(objValue, othValue, customizer, isLoose, stackA, stackB);
- }
- }
- if (!result) {
- return false;
- }
- skipCtor || (skipCtor = key == 'constructor');
- }
- if (!skipCtor) {
- var objCtor = object.constructor,
- othCtor = other.constructor;
- if (objCtor != othCtor &&
- ('constructor' in object && 'constructor' in other) &&
- !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
- typeof othCtor == 'function' && othCtor instanceof othCtor)) {
- return false;
- }
- }
- return true;
- }
- function getCallback(func, thisArg, argCount) {
- var result = lodash.callback || callback;
- result = result === callback ? baseCallback : result;
- return argCount ? result(func, thisArg, argCount) : result;
- }
- function getIndexOf(collection, target, fromIndex) {
- var result = lodash.indexOf || indexOf;
- result = result === indexOf ? baseIndexOf : result;
- return collection ? result(collection, target, fromIndex) : result;
- }
- var getLength = baseProperty('length');
- var getSymbols = !getOwnPropertySymbols ? constant([]) : function(object) {
- return getOwnPropertySymbols(toObject(object));
- };
- function initCloneArray(array) {
- var length = array.length,
- result = new array.constructor(length);
- if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
- result.index = array.index;
- result.input = array.input;
- }
- return result;
- }
- function initCloneObject(object) {
- var Ctor = object.constructor;
- if (!(typeof Ctor == 'function' && Ctor instanceof Ctor)) {
- Ctor = Object;
- }
- return new Ctor;
- }
- function initCloneByTag(object, tag, isDeep) {
- var Ctor = object.constructor;
- switch (tag) {
- case arrayBufferTag:
- return bufferClone(object);
- case boolTag:
- case dateTag:
- return new Ctor(+object);
- case float32Tag: case float64Tag:
- case int8Tag: case int16Tag: case int32Tag:
- case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
- var buffer = object.buffer;
- return new Ctor(isDeep ? bufferClone(buffer) : buffer, object.byteOffset, object.length);
- case numberTag:
- case stringTag:
- return new Ctor(object);
- case regexpTag:
- var result = new Ctor(object.source, reFlags.exec(object));
- result.lastIndex = object.lastIndex;
- }
- return result;
- }
- function isIndex(value, length) {
- value = +value;
- length = length == null ? MAX_SAFE_INTEGER : length;
- return value > -1 && value % 1 == 0 && value < length;
- }
- function isIterateeCall(value, index, object) {
- if (!isObject(object)) {
- return false;
- }
- var type = typeof index;
- if (type == 'number') {
- var length = getLength(object),
- prereq = isLength(length) && isIndex(index, length);
- } else {
- prereq = type == 'string' && index in object;
- }
- if (prereq) {
- var other = object[index];
- return value === value ? (value === other) : (other !== other);
- }
- return false;
- }
- function isKey(value, object) {
- var type = typeof value;
- if ((type == 'string' && reIsPlainProp.test(value)) || type == 'number') {
- return true;
- }
- if (isArray(value)) {
- return false;
- }
- var result = !reIsDeepProp.test(value);
- return result || (object != null && value in toObject(object));
- }
- function isLength(value) {
- return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
- }
- function isStrictComparable(value) {
- return value === value && (value === 0 ? ((1 / value) > 0) : !isObject(value));
- }
- function shimIsPlainObject(value) {
- var Ctor,
- support = lodash.support;
- if (!(isObjectLike(value) && objToString.call(value) == objectTag) ||
- (!hasOwnProperty.call(value, 'constructor') &&
- (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) {
- return false;
- }
- var result;
- baseForIn(value, function(subValue, key) {
- result = key;
- });
- return result === undefined || hasOwnProperty.call(value, result);
- }
- function shimKeys(object) {
- var props = keysIn(object),
- propsLength = props.length,
- length = propsLength && object.length,
- support = lodash.support;
- var allowIndexes = length && isLength(length) &&
- (isArray(object) || (support.nonEnumArgs && isArguments(object)));
- var index = -1,
- result = [];
- while (++index < propsLength) {
- var key = props[index];
- if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {
- result.push(key);
- }
- }
- return result;
- }
- function toObject(value) {
- return isObject(value) ? value : Object(value);
- }
- function toPath(value) {
- if (isArray(value)) {
- return value;
- }
- var result = [];
- baseToString(value).replace(rePropName, function(match, number, quote, string) {
- result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
- });
- return result;
- }
- var findLastIndex = createFindIndex(true);
- function indexOf(array, value, fromIndex) {
- var length = array ? array.length : 0;
- if (!length) {
- return -1;
- }
- if (typeof fromIndex == 'number') {
- fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : fromIndex;
- } else if (fromIndex) {
- var index = binaryIndex(array, value),
- other = array[index];
- if (value === value ? (value === other) : (other !== other)) {
- return index;
- }
- return -1;
- }
- return baseIndexOf(array, value, fromIndex || 0);
- }
- function last(array) {
- var length = array ? array.length : 0;
- return length ? array[length - 1] : undefined;
- }
- function slice(array, start, end) {
- var length = array ? array.length : 0;
- if (!length) {
- return [];
- }
- if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
- start = 0;
- end = length;
- }
- return baseSlice(array, start, end);
- }
- function unzip(array) {
- var index = -1,
- length = (array && array.length && arrayMax(arrayMap(array, getLength))) >>> 0,
- result = Array(length);
- while (++index < length) {
- result[index] = arrayMap(array, baseProperty(index));
- }
- return result;
- }
- var zip = restParam(unzip);
- var forEach = createForEach(arrayEach, baseEach);
- function includes(collection, target, fromIndex, guard) {
- var length = collection ? getLength(collection) : 0;
- if (!isLength(length)) {
- collection = values(collection);
- length = collection.length;
- }
- if (!length) {
- return false;
- }
- if (typeof fromIndex != 'number' || (guard && isIterateeCall(target, fromIndex, guard))) {
- fromIndex = 0;
- } else {
- fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : (fromIndex || 0);
- }
- return (typeof collection == 'string' || !isArray(collection) && isString(collection))
- ? (fromIndex < length && collection.indexOf(target, fromIndex) > -1)
- : (getIndexOf(collection, target, fromIndex) > -1);
- }
- function reject(collection, predicate, thisArg) {
- var func = isArray(collection) ? arrayFilter : baseFilter;
- predicate = getCallback(predicate, thisArg, 3);
- return func(collection, function(value, index, collection) {
- return !predicate(value, index, collection);
- });
- }
- function some(collection, predicate, thisArg) {
- var func = isArray(collection) ? arraySome : baseSome;
- if (thisArg && isIterateeCall(collection, predicate, thisArg)) {
- predicate = null;
- }
- if (typeof predicate != 'function' || thisArg !== undefined) {
- predicate = getCallback(predicate, thisArg, 3);
- }
- return func(collection, predicate);
- }
- function restParam(func, start) {
- if (typeof func != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0);
- return function() {
- var args = arguments,
- index = -1,
- length = nativeMax(args.length - start, 0),
- rest = Array(length);
- while (++index < length) {
- rest[index] = args[start + index];
- }
- switch (start) {
- case 0: return func.call(this, rest);
- case 1: return func.call(this, args[0], rest);
- case 2: return func.call(this, args[0], args[1], rest);
- }
- var otherArgs = Array(start + 1);
- index = -1;
- while (++index < start) {
- otherArgs[index] = args[index];
- }
- otherArgs[start] = rest;
- return func.apply(this, otherArgs);
- };
- }
- function clone(value, isDeep, customizer, thisArg) {
- if (isDeep && typeof isDeep != 'boolean' && isIterateeCall(value, isDeep, customizer)) {
- isDeep = false;
- }
- else if (typeof isDeep == 'function') {
- thisArg = customizer;
- customizer = isDeep;
- isDeep = false;
- }
- customizer = typeof customizer == 'function' && bindCallback(customizer, thisArg, 1);
- return baseClone(value, isDeep, customizer);
- }
- function isArguments(value) {
- var length = isObjectLike(value) ? value.length : undefined;
- return isLength(length) && objToString.call(value) == argsTag;
- }
- var isArray = nativeIsArray || function(value) {
- return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag;
- };
- function isEmpty(value) {
- if (value == null) {
- return true;
- }
- var length = getLength(value);
- if (isLength(length) && (isArray(value) || isString(value) || isArguments(value) ||
- (isObjectLike(value) && isFunction(value.splice)))) {
- return !length;
- }
- return !keys(value).length;
- }
- var isFunction = !(baseIsFunction(/x/) || (Uint8Array && !baseIsFunction(Uint8Array))) ? baseIsFunction : function(value) {
- return objToString.call(value) == funcTag;
- };
- function isObject(value) {
- var type = typeof value;
- return type == 'function' || (!!value && type == 'object');
- }
- function isNative(value) {
- if (value == null) {
- return false;
- }
- if (objToString.call(value) == funcTag) {
- return reIsNative.test(fnToString.call(value));
- }
- return isObjectLike(value) && reIsHostCtor.test(value);
- }
- function isNumber(value) {
- return typeof value == 'number' || (isObjectLike(value) && objToString.call(value) == numberTag);
- }
- var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) {
- if (!(value && objToString.call(value) == objectTag)) {
- return false;
- }
- var valueOf = value.valueOf,
- objProto = isNative(valueOf) && (objProto = getPrototypeOf(valueOf)) && getPrototypeOf(objProto);
- return objProto
- ? (value == objProto || getPrototypeOf(value) == objProto)
- : shimIsPlainObject(value);
- };
- function isString(value) {
- return typeof value == 'string' || (isObjectLike(value) && objToString.call(value) == stringTag);
- }
- function isTypedArray(value) {
- return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];
- }
- function toPlainObject(value) {
- return baseCopy(value, keysIn(value));
- }
- var assign = createAssigner(function(object, source, customizer) {
- return customizer
- ? assignWith(object, source, customizer)
- : baseAssign(object, source);
- });
- function has(object, path) {
- if (object == null) {
- return false;
- }
- var result = hasOwnProperty.call(object, path);
- if (!result && !isKey(path)) {
- path = toPath(path);
- object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
- path = last(path);
- result = object != null && hasOwnProperty.call(object, path);
- }
- return result;
- }
- var keys = !nativeKeys ? shimKeys : function(object) {
- if (object) {
- var Ctor = object.constructor,
- length = object.length;
- }
- if ((typeof Ctor == 'function' && Ctor.prototype === object) ||
- (typeof object != 'function' && isLength(length))) {
- return shimKeys(object);
- }
- return isObject(object) ? nativeKeys(object) : [];
- };
- function keysIn(object) {
- if (object == null) {
- return [];
- }
- if (!isObject(object)) {
- object = Object(object);
- }
- var length = object.length;
- length = (length && isLength(length) &&
- (isArray(object) || (support.nonEnumArgs && isArguments(object))) && length) || 0;
- var Ctor = object.constructor,
- index = -1,
- isProto = typeof Ctor == 'function' && Ctor.prototype === object,
- result = Array(length),
- skipIndexes = length > 0;
- while (++index < length) {
- result[index] = (index + '');
- }
- for (var key in object) {
- if (!(skipIndexes && isIndex(key, length)) &&
- !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
- result.push(key);
- }
- }
- return result;
- }
- var merge = createAssigner(baseMerge);
- function values(object) {
- return baseValues(object, keys(object));
- }
- function escapeRegExp(string) {
- string = baseToString(string);
- return (string && reHasRegExpChars.test(string))
- ? string.replace(reRegExpChars, '\\$&')
- : string;
- }
- function callback(func, thisArg, guard) {
- if (guard && isIterateeCall(func, thisArg, guard)) {
- thisArg = null;
- }
- return baseCallback(func, thisArg);
- }
- function constant(value) {
- return function() {
- return value;
- };
- }
- function identity(value) {
- return value;
- }
- function property(path) {
- return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
- }
- // Add functions that return wrapped values when chaining.
- lodash.assign = assign;
- lodash.callback = callback;
- lodash.constant = constant;
- lodash.forEach = forEach;
- lodash.keys = keys;
- lodash.keysIn = keysIn;
- lodash.merge = merge;
- lodash.property = property;
- lodash.reject = reject;
- lodash.restParam = restParam;
- lodash.slice = slice;
- lodash.toPlainObject = toPlainObject;
- lodash.unzip = unzip;
- lodash.values = values;
- lodash.zip = zip;
- lodash.each = forEach;
- lodash.extend = assign;
- lodash.iteratee = callback;
- // Add functions that return unwrapped values when chaining.
- lodash.clone = clone;
- lodash.escapeRegExp = escapeRegExp;
- lodash.findLastIndex = findLastIndex;
- lodash.has = has;
- lodash.identity = identity;
- lodash.includes = includes;
- lodash.indexOf = indexOf;
- lodash.isArguments = isArguments;
- lodash.isArray = isArray;
- lodash.isEmpty = isEmpty;
- lodash.isFunction = isFunction;
- lodash.isNative = isNative;
- lodash.isNumber = isNumber;
- lodash.isObject = isObject;
- lodash.isPlainObject = isPlainObject;
- lodash.isString = isString;
- lodash.isTypedArray = isTypedArray;
- lodash.last = last;
- lodash.some = some;
- lodash.any = some;
- lodash.contains = includes;
- lodash.include = includes;
- lodash.VERSION = VERSION;
- // Some AMD build optimizers like r.js check for condition patterns like the following:
- if (freeExports && freeModule) {
- if (moduleExports) {
- (freeModule.exports = lodash)._ = lodash;
- }
- else {
- freeExports._ = lodash;
- }
- }
- else {
- root._ = lodash;
- }
- }.call(this));
- }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
- },{}],"/node_modules/jshint/src/jshint.js":[function(_dereq_,module,exports){
- /*!
- * JSHint, by JSHint Community.
- *
- * This file (and this file only) is licensed under the same slightly modified
- * MIT license that JSLint is. It stops evil-doers everywhere:
- *
- * Copyright (c) 2002 Douglas Crockford (www.JSLint.com)
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * The Software shall be used for Good, not Evil.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- */
- /*jshint quotmark:double */
- /*global console:true */
- /*exported console */
- var _ = _dereq_("../lodash");
- var events = _dereq_("events");
- var vars = _dereq_("./vars.js");
- var messages = _dereq_("./messages.js");
- var Lexer = _dereq_("./lex.js").Lexer;
- var reg = _dereq_("./reg.js");
- var state = _dereq_("./state.js").state;
- var style = _dereq_("./style.js");
- var options = _dereq_("./options.js");
- var scopeManager = _dereq_("./scope-manager.js");
- // We build the application inside a function so that we produce only a singleton
- // variable. That function will be invoked immediately, and its return value is
- // the JSHINT function itself.
- var JSHINT = (function() {
- "use strict";
- var api, // Extension API
- // These are operators that should not be used with the ! operator.
- bang = {
- "<" : true,
- "<=" : true,
- "==" : true,
- "===": true,
- "!==": true,
- "!=" : true,
- ">" : true,
- ">=" : true,
- "+" : true,
- "-" : true,
- "*" : true,
- "/" : true,
- "%" : true
- },
- declared, // Globals that were declared using /*global ... */ syntax.
- functionicity = [
- "closure", "exception", "global", "label",
- "outer", "unused", "var"
- ],
- functions, // All of the functions
- inblock,
- indent,
- lookahead,
- lex,
- member,
- membersOnly,
- predefined, // Global variables defined by option
- stack,
- urls,
- extraModules = [],
- emitter = new events.EventEmitter();
- function checkOption(name, t) {
- name = name.trim();
- if (/^[+-]W\d{3}$/g.test(name)) {
- return true;
- }
- if (options.validNames.indexOf(name) === -1) {
- if (t.type !== "jslint" && !_.has(options.removed, name)) {
- error("E001", t, name);
- return false;
- }
- }
- return true;
- }
- function isString(obj) {
- return Object.prototype.toString.call(obj) === "[object String]";
- }
- function isIdentifier(tkn, value) {
- if (!tkn)
- return false;
- if (!tkn.identifier || tkn.value !== value)
- return false;
- return true;
- }
- function isReserved(token) {
- if (!token.reserved) {
- return false;
- }
- var meta = token.meta;
- if (meta && meta.isFutureReservedWord && state.inES5()) {
- // ES3 FutureReservedWord in an ES5 environment.
- if (!meta.es5) {
- return false;
- }
- // Some ES5 FutureReservedWord identifiers are active only
- // within a strict mode environment.
- if (meta.strictOnly) {
- if (!state.option.strict && !state.isStrict()) {
- return false;
- }
- }
- if (token.isProperty) {
- return false;
- }
- }
- return true;
- }
- function supplant(str, data) {
- return str.replace(/\{([^{}]*)\}/g, function(a, b) {
- var r = data[b];
- return typeof r === "string" || typeof r === "number" ? r : a;
- });
- }
- function combine(dest, src) {
- Object.keys(src).forEach(function(name) {
- if (_.has(JSHINT.blacklist, name)) return;
- dest[name] = src[name];
- });
- }
- function processenforceall() {
- if (state.option.enforceall) {
- for (var enforceopt in options.bool.enforcing) {
- if (state.option[enforceopt] === undefined &&
- !options.noenforceall[enforceopt]) {
- state.option[enforceopt] = true;
- }
- }
- for (var relaxopt in options.bool.relaxing) {
- if (state.option[relaxopt] === undefined) {
- state.option[relaxopt] = false;
- }
- }
- }
- }
- function assume() {
- processenforceall();
- /**
- * TODO: Remove in JSHint 3
- */
- if (!state.option.esversion && !state.option.moz) {
- if (state.option.es3) {
- state.option.esversion = 3;
- } else if (state.option.esnext) {
- state.option.esversion = 6;
- } else {
- state.option.esversion = 5;
- }
- }
- if (state.inES5()) {
- combine(predefined, vars.ecmaIdentifiers[5]);
- }
- if (state.inES6()) {
- combine(predefined, vars.ecmaIdentifiers[6]);
- }
- if (state.option.module) {
- if (state.option.strict === true) {
- state.option.strict = "global";
- }
- /**
- * TODO: Extend this restriction to *all* ES6-specific options.
- */
- if (!state.inES6()) {
- warning("W134", state.tokens.next, "module", 6);
- }
- }
- if (state.option.couch) {
- combine(predefined, vars.couch);
- }
- if (state.option.qunit) {
- combine(predefined, vars.qunit);
- }
- if (state.option.rhino) {
- combine(predefined, vars.rhino);
- }
- if (state.option.shelljs) {
- combine(predefined, vars.shelljs);
- combine(predefined, vars.node);
- }
- if (state.option.typed) {
- combine(predefined, vars.typed);
- }
- if (state.option.phantom) {
- combine(predefined, vars.phantom);
- if (state.option.strict === true) {
- state.option.strict = "global";
- }
- }
- if (state.option.prototypejs) {
- combine(predefined, vars.prototypejs);
- }
- if (state.option.node) {
- combine(predefined, vars.node);
- combine(predefined, vars.typed);
- if (state.option.strict === true) {
- state.option.strict = "global";
- }
- }
- if (state.option.devel) {
- combine(predefined, vars.devel);
- }
- if (state.option.dojo) {
- combine(predefined, vars.dojo);
- }
- if (state.option.browser) {
- combine(predefined, vars.browser);
- combine(predefined, vars.typed);
- }
- if (state.option.browserify) {
- combine(predefined, vars.browser);
- combine(predefined, vars.typed);
- combine(predefined, vars.browserify);
- if (state.option.strict === true) {
- state.option.strict = "global";
- }
- }
- if (state.option.nonstandard) {
- combine(predefined, vars.nonstandard);
- }
- if (state.option.jasmine) {
- combine(predefined, vars.jasmine);
- }
- if (state.option.jquery) {
- combine(predefined, vars.jquery);
- }
- if (state.option.mootools) {
- combine(predefined, vars.mootools);
- }
- if (state.option.worker) {
- combine(predefined, vars.worker);
- }
- if (state.option.wsh) {
- combine(predefined, vars.wsh);
- }
- if (state.option.globalstrict && state.option.strict !== false) {
- state.option.strict = "global";
- }
- if (state.option.yui) {
- combine(predefined, vars.yui);
- }
- if (state.option.mocha) {
- combine(predefined, vars.mocha);
- }
- }
- // Produce an error warning.
- function quit(code, line, chr) {
- var percentage = Math.floor((line / state.lines.length) * 100);
- var message = messages.errors[code].desc;
- throw {
- name: "JSHintError",
- line: line,
- character: chr,
- message: message + " (" + percentage + "% scanned).",
- raw: message,
- code: code
- };
- }
- function removeIgnoredMessages() {
- var ignored = state.ignoredLines;
- if (_.isEmpty(ignored)) return;
- JSHINT.errors = _.reject(JSHINT.errors, function(err) { return ignored[err.line] });
- }
- function warning(code, t, a, b, c, d) {
- var ch, l, w, msg;
- if (/^W\d{3}$/.test(code)) {
- if (state.ignored[code])
- return;
- msg = messages.warnings[code];
- } else if (/E\d{3}/.test(code)) {
- msg = messages.errors[code];
- } else if (/I\d{3}/.test(code)) {
- msg = messages.info[code];
- }
- t = t || state.tokens.next || {};
- if (t.id === "(end)") { // `~
- t = state.tokens.curr;
- }
- l = t.line || 0;
- ch = t.from || 0;
- w = {
- id: "(error)",
- raw: msg.desc,
- code: msg.code,
- evidence: state.lines[l - 1] || "",
- line: l,
- character: ch,
- scope: JSHINT.scope,
- a: a,
- b: b,
- c: c,
- d: d
- };
- w.reason = supplant(msg.desc, w);
- JSHINT.errors.push(w);
- removeIgnoredMessages();
- if (JSHINT.errors.length >= state.option.maxerr)
- quit("E043", l, ch);
- return w;
- }
- function warningAt(m, l, ch, a, b, c, d) {
- return warning(m, {
- line: l,
- from: ch
- }, a, b, c, d);
- }
- function error(m, t, a, b, c, d) {
- warning(m, t, a, b, c, d);
- }
- function errorAt(m, l, ch, a, b, c, d) {
- return error(m, {
- line: l,
- from: ch
- }, a, b, c, d);
- }
- // Tracking of "internal" scripts, like eval containing a static string
- function addInternalSrc(elem, src) {
- var i;
- i = {
- id: "(internal)",
- elem: elem,
- value: src
- };
- JSHINT.internals.push(i);
- return i;
- }
- function doOption() {
- var nt = state.tokens.next;
- var body = nt.body.match(/(-\s+)?[^\s,:]+(?:\s*:\s*(-\s+)?[^\s,]+)?/g) || [];
- var predef = {};
- if (nt.type === "globals") {
- body.forEach(function(g, idx) {
- g = g.split(":");
- var key = (g[0] || "").trim();
- var val = (g[1] || "").trim();
- if (key === "-" || !key.length) {
- // Ignore trailing comma
- if (idx > 0 && idx === body.length - 1) {
- return;
- }
- error("E002", nt);
- return;
- }
- if (key.charAt(0) === "-") {
- key = key.slice(1);
- val = false;
- JSHINT.blacklist[key] = key;
- delete predefined[key];
- } else {
- predef[key] = (val === "true");
- }
- });
- combine(predefined, predef);
- for (var key in predef) {
- if (_.has(predef, key)) {
- declared[key] = nt;
- }
- }
- }
- if (nt.type === "exported") {
- body.forEach(function(e, idx) {
- if (!e.length) {
- // Ignore trailing comma
- if (idx > 0 && idx === body.length - 1) {
- return;
- }
- error("E002", nt);
- return;
- }
- state.funct["(scope)"].addExported(e);
- });
- }
- if (nt.type === "members") {
- membersOnly = membersOnly || {};
- body.forEach(function(m) {
- var ch1 = m.charAt(0);
- var ch2 = m.charAt(m.length - 1);
- if (ch1 === ch2 && (ch1 === "\"" || ch1 === "'")) {
- m = m
- .substr(1, m.length - 2)
- .replace("\\\"", "\"");
- }
- membersOnly[m] = false;
- });
- }
- var numvals = [
- "maxstatements",
- "maxparams",
- "maxdepth",
- "maxcomplexity",
- "maxerr",
- "maxlen",
- "indent"
- ];
- if (nt.type === "jshint" || nt.type === "jslint") {
- body.forEach(function(g) {
- g = g.split(":");
- var key = (g[0] || "").trim();
- var val = (g[1] || "").trim();
- if (!checkOption(key, nt)) {
- return;
- }
- if (numvals.indexOf(key) >= 0) {
- // GH988 - numeric options can be disabled by setting them to `false`
- if (val !== "false") {
- val = +val;
- if (typeof val !== "number" || !isFinite(val) || val <= 0 || Math.floor(val) !== val) {
- error("E032", nt, g[1].trim());
- return;
- }
- state.option[key] = val;
- } else {
- state.option[key] = key === "indent" ? 4 : false;
- }
- return;
- }
- if (key === "validthis") {
- // `validthis` is valid only within a function scope.
- if (state.funct["(global)"])
- return void error("E009");
- if (val !== "true" && val !== "false")
- return void error("E002", nt);
- state.option.validthis = (val === "true");
- return;
- }
- if (key === "quotmark") {
- switch (val) {
- case "true":
- case "false":
- state.option.quotmark = (val === "true");
- break;
- case "double":
- case "single":
- state.option.quotmark = val;
- break;
- default:
- error("E002", nt);
- }
- return;
- }
- if (key === "shadow") {
- switch (val) {
- case "true":
- state.option.shadow = true;
- break;
- case "outer":
- state.option.shadow = "outer";
- break;
- case "false":
- case "inner":
- state.option.shadow = "inner";
- break;
- default:
- error("E002", nt);
- }
- return;
- }
- if (key === "unused") {
- switch (val) {
- case "true":
- state.option.unused = true;
- break;
- case "false":
- state.option.unused = false;
- break;
- case "vars":
- case "strict":
- state.option.unused = val;
- break;
- default:
- error("E002", nt);
- }
- return;
- }
- if (key === "latedef") {
- switch (val) {
- case "true":
- state.option.latedef = true;
- break;
- case "false":
- state.option.latedef = false;
- break;
- case "nofunc":
- state.option.latedef = "nofunc";
- break;
- default:
- error("E002", nt);
- }
- return;
- }
- if (key === "ignore") {
- switch (val) {
- case "line":
- state.ignoredLines[nt.line] = true;
- removeIgnoredMessages();
- break;
- default:
- error("E002", nt);
- }
- return;
- }
- if (key === "strict") {
- switch (val) {
- case "true":
- state.option.strict = true;
- break;
- case "false":
- state.option.strict = false;
- break;
- case "func":
- case "global":
- case "implied":
- state.option.strict = val;
- break;
- default:
- error("E002", nt);
- }
- return;
- }
- if (key === "module") {
- /**
- * TODO: Extend this restriction to *all* "environmental" options.
- */
- if (!hasParsedCode(state.funct)) {
- error("E055", state.tokens.next, "module");
- }
- }
- /**
- * TODO: Remove in JSHint 3
- */
- var esversions = {
- es3 : 3,
- es5 : 5,
- esnext: 6
- };
- if (_.has(esversions, key)) {
- switch (val) {
- case "true":
- state.option.moz = false;
- state.option.esversion = esversions[key];
- break;
- case "false":
- if (!state.option.moz) {
- state.option.esversion = 5;
- }
- break;
- default:
- error("E002", nt);
- }
- return;
- }
- if (key === "esversion") {
- switch (val) {
- case "5":
- if (state.inES5(true)) {
- warning("I003");
- }
- /* falls through */
- case "3":
- case "6":
- state.option.moz = false;
- state.option.esversion = +val;
- break;
- case "2015":
- state.option.moz = false;
- state.option.esversion = 6;
- break;
- default:
- error("E002", nt);
- }
- if (!hasParsedCode(state.funct)) {
- error("E055", state.tokens.next, "esversion");
- }
- return;
- }
- var match = /^([+-])(W\d{3})$/g.exec(key);
- if (match) {
- // ignore for -W..., unignore for +W...
- state.ignored[match[2]] = (match[1] === "-");
- return;
- }
- var tn;
- if (val === "true" || val === "false") {
- if (nt.type === "jslint") {
- tn = options.renamed[key] || key;
- state.option[tn] = (val === "true");
- if (options.inverted[tn] !== undefined) {
- state.option[tn] = !state.option[tn];
- }
- } else {
- state.option[key] = (val === "true");
- }
- if (key === "newcap") {
- state.option["(explicitNewcap)"] = true;
- }
- return;
- }
- error("E002", nt);
- });
- assume();
- }
- }
- // We need a peek function. If it has an argument, it peeks that much farther
- // ahead. It is used to distinguish
- // for ( var i in ...
- // from
- // for ( var i = ...
- function peek(p) {
- var i = p || 0, j = lookahead.length, t;
- if (i < j) {
- return lookahead[i];
- }
- while (j <= i) {
- t = lookahead[j];
- if (!t) {
- t = lookahead[j] = lex.token();
- }
- j += 1;
- }
- // Peeking past the end of the program should produce the "(end)" token.
- if (!t && state.tokens.next.id === "(end)") {
- return state.tokens.next;
- }
- return t;
- }
- function peekIgnoreEOL() {
- var i = 0;
- var t;
- do {
- t = peek(i++);
- } while (t.id === "(endline)");
- return t;
- }
- // Produce the next token. It looks for programming errors.
- function advance(id, t) {
- switch (state.tokens.curr.id) {
- case "(number)":
- if (state.tokens.next.id === ".") {
- warning("W005", state.tokens.curr);
- }
- break;
- case "-":
- if (state.tokens.next.id === "-" || state.tokens.next.id === "--") {
- warning("W006");
- }
- break;
- case "+":
- if (state.tokens.next.id === "+" || state.tokens.next.id === "++") {
- warning("W007");
- }
- break;
- }
- if (id && state.tokens.next.id !== id) {
- if (t) {
- if (state.tokens.next.id === "(end)") {
- error("E019", t, t.id);
- } else {
- error("E020", state.tokens.next, id, t.id, t.line, state.tokens.next.value);
- }
- } else if (state.tokens.next.type !== "(identifier)" || state.tokens.next.value !== id) {
- warning("W116", state.tokens.next, id, state.tokens.next.value);
- }
- }
- state.tokens.prev = state.tokens.curr;
- state.tokens.curr = state.tokens.next;
- for (;;) {
- state.tokens.next = lookahead.shift() || lex.token();
- if (!state.tokens.next) { // No more tokens left, give up
- quit("E041", state.tokens.curr.line);
- }
- if (state.tokens.next.id === "(end)" || state.tokens.next.id === "(error)") {
- return;
- }
- if (state.tokens.next.check) {
- state.tokens.next.check();
- }
- if (state.tokens.next.isSpecial) {
- if (state.tokens.next.type === "falls through") {
- state.tokens.curr.caseFallsThrough = true;
- } else {
- doOption();
- }
- } else {
- if (state.tokens.next.id !== "(endline)") {
- break;
- }
- }
- }
- }
- function isInfix(token) {
- return token.infix || (!token.identifier && !token.template && !!token.led);
- }
- function isEndOfExpr() {
- var curr = state.tokens.curr;
- var next = state.tokens.next;
- if (next.id === ";" || next.id === "}" || next.id === ":") {
- return true;
- }
- if (isInfix(next) === isInfix(curr) || (curr.id === "yield" && state.inMoz())) {
- return curr.line !== startLine(next);
- }
- return false;
- }
- function isBeginOfExpr(prev) {
- return !prev.left && prev.arity !== "unary";
- }
- // This is the heart of JSHINT, the Pratt parser. In addition to parsing, it
- // is looking for ad hoc lint patterns. We add .fud to Pratt's model, which is
- // like .nud except that it is only used on the first token of a statement.
- // Having .fud makes it much easier to define statement-oriented languages like
- // JavaScript. I retained Pratt's nomenclature.
- // .nud Null denotation
- // .fud First null denotation
- // .led Left denotation
- // lbp Left binding power
- // rbp Right binding power
- // They are elements of the parsing method called Top Down Operator Precedence.
- function expression(rbp, initial) {
- var left, isArray = false, isObject = false, isLetExpr = false;
- state.nameStack.push();
- // if current expression is a let expression
- if (!initial && state.tokens.next.value === "let" && peek(0).value === "(") {
- if (!state.inMoz()) {
- warning("W118", state.tokens.next, "let expressions");
- }
- isLetExpr = true;
- // create a new block scope we use only for the current expression
- state.funct["(scope)"].stack();
- advance("let");
- advance("(");
- state.tokens.prev.fud();
- advance(")");
- }
- if (state.tokens.next.id === "(end)")
- error("E006", state.tokens.curr);
- var isDangerous =
- state.option.asi &&
- state.tokens.prev.line !== startLine(state.tokens.curr) &&
- _.contains(["]", ")"], state.tokens.prev.id) &&
- _.contains(["[", "("], state.tokens.curr.id);
- if (isDangerous)
- warning("W014", state.tokens.curr, state.tokens.curr.id);
- advance();
- if (initial) {
- state.funct["(verb)"] = state.tokens.curr.value;
- state.tokens.curr.beginsStmt = true;
- }
- if (initial === true && state.tokens.curr.fud) {
- left = state.tokens.curr.fud();
- } else {
- if (state.tokens.curr.nud) {
- left = state.tokens.curr.nud();
- } else {
- error("E030", state.tokens.curr, state.tokens.curr.id);
- }
- // TODO: use pratt mechanics rather than special casing template tokens
- while ((rbp < state.tokens.next.lbp || state.tokens.next.type === "(template)") &&
- !isEndOfExpr()) {
- isArray = state.tokens.curr.value === "Array";
- isObject = state.tokens.curr.value === "Object";
- // #527, new Foo.Array(), Foo.Array(), new Foo.Object(), Foo.Object()
- // Line breaks in IfStatement heads exist to satisfy the checkJSHint
- // "Line too long." error.
- if (left && (left.value || (left.first && left.first.value))) {
- // If the left.value is not "new", or the left.first.value is a "."
- // then safely assume that this is not "new Array()" and possibly
- // not "new Object()"...
- if (left.value !== "new" ||
- (left.first && left.first.value && left.first.value === ".")) {
- isArray = false;
- // ...In the case of Object, if the left.value and state.tokens.curr.value
- // are not equal, then safely assume that this not "new Object()"
- if (left.value !== state.tokens.curr.value) {
- isObject = false;
- }
- }
- }
- advance();
- if (isArray && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
- warning("W009", state.tokens.curr);
- }
- if (isObject && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
- warning("W010", state.tokens.curr);
- }
- if (left && state.tokens.curr.led) {
- left = state.tokens.curr.led(left);
- } else {
- error("E033", state.tokens.curr, state.tokens.curr.id);
- }
- }
- }
- if (isLetExpr) {
- state.funct["(scope)"].unstack();
- }
- state.nameStack.pop();
- return left;
- }
- // Functions for conformance of style.
- function startLine(token) {
- return token.startLine || token.line;
- }
- function nobreaknonadjacent(left, right) {
- left = left || state.tokens.curr;
- right = right || state.tokens.next;
- if (!state.option.laxbreak && left.line !== startLine(right)) {
- warning("W014", right, right.value);
- }
- }
- function nolinebreak(t) {
- t = t || state.tokens.curr;
- if (t.line !== startLine(state.tokens.next)) {
- warning("E022", t, t.value);
- }
- }
- function nobreakcomma(left, right) {
- if (left.line !== startLine(right)) {
- if (!state.option.laxcomma) {
- if (comma.first) {
- warning("I001");
- comma.first = false;
- }
- warning("W014", left, right.value);
- }
- }
- }
- function comma(opts) {
- opts = opts || {};
- if (!opts.peek) {
- nobreakcomma(state.tokens.curr, state.tokens.next);
- advance(",");
- } else {
- nobreakcomma(state.tokens.prev, state.tokens.curr);
- }
- if (state.tokens.next.identifier && !(opts.property && state.inES5())) {
- // Keywords that cannot follow a comma operator.
- switch (state.tokens.next.value) {
- case "break":
- case "case":
- case "catch":
- case "continue":
- case "default":
- case "do":
- case "else":
- case "finally":
- case "for":
- case "if":
- case "in":
- case "instanceof":
- case "return":
- case "switch":
- case "throw":
- case "try":
- case "var":
- case "let":
- case "while":
- case "with":
- error("E024", state.tokens.next, state.tokens.next.value);
- return false;
- }
- }
- if (state.tokens.next.type === "(punctuator)") {
- switch (state.tokens.next.value) {
- case "}":
- case "]":
- case ",":
- if (opts.allowTrailing) {
- return true;
- }
- /* falls through */
- case ")":
- error("E024", state.tokens.next, state.tokens.next.value);
- return false;
- }
- }
- return true;
- }
- // Functional constructors for making the symbols that will be inherited by
- // tokens.
- function symbol(s, p) {
- var x = state.syntax[s];
- if (!x || typeof x !== "object") {
- state.syntax[s] = x = {
- id: s,
- lbp: p,
- value: s
- };
- }
- return x;
- }
- function delim(s) {
- var x = symbol(s, 0);
- x.delim = true;
- return x;
- }
- function stmt(s, f) {
- var x = delim(s);
- x.identifier = x.reserved = true;
- x.fud = f;
- return x;
- }
- function blockstmt(s, f) {
- var x = stmt(s, f);
- x.block = true;
- return x;
- }
- function reserveName(x) {
- var c = x.id.charAt(0);
- if ((c >= "a" && c <= "z") || (c >= "A" && c <= "Z")) {
- x.identifier = x.reserved = true;
- }
- return x;
- }
- function prefix(s, f) {
- var x = symbol(s, 150);
- reserveName(x);
- x.nud = (typeof f === "function") ? f : function() {
- this.arity = "unary";
- this.right = expression(150);
- if (this.id === "++" || this.id === "--") {
- if (state.option.plusplus) {
- warning("W016", this, this.id);
- } else if (this.right && (!this.right.identifier || isReserved(this.right)) &&
- this.right.id !== "." && this.right.id !== "[") {
- warning("W017", this);
- }
- if (this.right && this.right.isMetaProperty) {
- error("E031", this);
- // detect increment/decrement of a const
- // in the case of a.b, right will be the "." punctuator
- } else if (this.right && this.right.identifier) {
- state.funct["(scope)"].block.modify(this.right.value, this);
- }
- }
- return this;
- };
- return x;
- }
- function type(s, f) {
- var x = delim(s);
- x.type = s;
- x.nud = f;
- return x;
- }
- function reserve(name, func) {
- var x = type(name, func);
- x.identifier = true;
- x.reserved = true;
- return x;
- }
- function FutureReservedWord(name, meta) {
- var x = type(name, (meta && meta.nud) || function() {
- return this;
- });
- meta = meta || {};
- meta.isFutureReservedWord = true;
- x.value = name;
- x.identifier = true;
- x.reserved = true;
- x.meta = meta;
- return x;
- }
- function reservevar(s, v) {
- return reserve(s, function() {
- if (typeof v === "function") {
- v(this);
- }
- return this;
- });
- }
- function infix(s, f, p, w) {
- var x = symbol(s, p);
- reserveName(x);
- x.infix = true;
- x.led = function(left) {
- if (!w) {
- nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
- }
- if ((s === "in" || s === "instanceof") && left.id === "!") {
- warning("W018", left, "!");
- }
- if (typeof f === "function") {
- return f(left, this);
- } else {
- this.left = left;
- this.right = expression(p);
- return this;
- }
- };
- return x;
- }
- function application(s) {
- var x = symbol(s, 42);
- x.led = function(left) {
- nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
- this.left = left;
- this.right = doFunction({ type: "arrow", loneArg: left });
- return this;
- };
- return x;
- }
- function relation(s, f) {
- var x = symbol(s, 100);
- x.led = function(left) {
- nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
- this.left = left;
- var right = this.right = expression(100);
- if (isIdentifier(left, "NaN") || isIdentifier(right, "NaN")) {
- warning("W019", this);
- } else if (f) {
- f.apply(this, [left, right]);
- }
- if (!left || !right) {
- quit("E041", state.tokens.curr.line);
- }
- if (left.id === "!") {
- warning("W018", left, "!");
- }
- if (right.id === "!") {
- warning("W018", right, "!");
- }
- return this;
- };
- return x;
- }
- function isPoorRelation(node) {
- return node &&
- ((node.type === "(number)" && +node.value === 0) ||
- (node.type === "(string)" && node.value === "") ||
- (node.type === "null" && !state.option.eqnull) ||
- node.type === "true" ||
- node.type === "false" ||
- node.type === "undefined");
- }
- var typeofValues = {};
- typeofValues.legacy = [
- // E4X extended the `typeof` operator to return "xml" for the XML and
- // XMLList types it introduced.
- // Ref: 11.3.2 The typeof Operator
- // http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-357.pdf
- "xml",
- // IE<9 reports "unknown" when the `typeof` operator is applied to an
- // object existing across a COM+ bridge. In lieu of official documentation
- // (which does not exist), see:
- // http://robertnyman.com/2005/12/21/what-is-typeof-unknown/
- "unknown"
- ];
- typeofValues.es3 = [
- "undefined", "boolean", "number", "string", "function", "object",
- ];
- typeofValues.es3 = typeofValues.es3.concat(typeofValues.legacy);
- typeofValues.es6 = typeofValues.es3.concat("symbol");
- // Checks whether the 'typeof' operator is used with the correct
- // value. For docs on 'typeof' see:
- // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeof
- function isTypoTypeof(left, right, state) {
- var values;
- if (state.option.notypeof)
- return false;
- if (!left || !right)
- return false;
- values = state.inES6() ? typeofValues.es6 : typeofValues.es3;
- if (right.type === "(identifier)" && right.value === "typeof" && left.type === "(string)")
- return !_.contains(values, left.value);
- return false;
- }
- function isGlobalEval(left, state) {
- var isGlobal = false;
- // permit methods to refer to an "eval" key in their own context
- if (left.type === "this" && state.funct["(context)"] === null) {
- isGlobal = true;
- }
- // permit use of "eval" members of objects
- else if (left.type === "(identifier)") {
- if (state.option.node && left.value === "global") {
- isGlobal = true;
- }
- else if (state.option.browser && (left.value === "window" || left.value === "document")) {
- isGlobal = true;
- }
- }
- return isGlobal;
- }
- function findNativePrototype(left) {
- var natives = [
- "Array", "ArrayBuffer", "Boolean", "Collator", "DataView", "Date",
- "DateTimeFormat", "Error", "EvalError", "Float32Array", "Float64Array",
- "Function", "Infinity", "Intl", "Int16Array", "Int32Array", "Int8Array",
- "Iterator", "Number", "NumberFormat", "Object", "RangeError",
- "ReferenceError", "RegExp", "StopIteration", "String", "SyntaxError",
- "TypeError", "Uint16Array", "Uint32Array", "Uint8Array", "Uint8ClampedArray",
- "URIError"
- ];
- function walkPrototype(obj) {
- if (typeof obj !== "object") return;
- return obj.right === "prototype" ? obj : walkPrototype(obj.left);
- }
- function walkNative(obj) {
- while (!obj.identifier && typeof obj.left === "object")
- obj = obj.left;
- if (obj.identifier && natives.indexOf(obj.value) >= 0)
- return obj.value;
- }
- var prototype = walkPrototype(left);
- if (prototype) return walkNative(prototype);
- }
- /**
- * Checks the left hand side of an assignment for issues, returns if ok
- * @param {token} left - the left hand side of the assignment
- * @param {token=} assignToken - the token for the assignment, used for reporting
- * @param {object=} options - optional object
- * @param {boolean} options.allowDestructuring - whether to allow destructuting binding
- * @returns {boolean} Whether the left hand side is OK
- */
- function checkLeftSideAssign(left, assignToken, options) {
- var allowDestructuring = options && options.allowDestructuring;
- assignToken = assignToken || left;
- if (state.option.freeze) {
- var nativeObject = findNativePrototype(left);
- if (nativeObject)
- warning("W121", left, nativeObject);
- }
- if (left.identifier && !left.isMetaProperty) {
- // reassign also calls modify
- // but we are specific in order to catch function re-assignment
- // and globals re-assignment
- state.funct["(scope)"].block.reassign(left.value, left);
- }
- if (left.id === ".") {
- if (!left.left || left.left.value === "arguments" && !state.isStrict()) {
- warning("E031", assignToken);
- }
- state.nameStack.set(state.tokens.prev);
- return true;
- } else if (left.id === "{" || left.id === "[") {
- if (allowDestructuring && state.tokens.curr.left.destructAssign) {
- state.tokens.curr.left.destructAssign.forEach(function(t) {
- if (t.id) {
- state.funct["(scope)"].block.modify(t.id, t.token);
- }
- });
- } else {
- if (left.id === "{" || !left.left) {
- warning("E031", assignToken);
- } else if (left.left.value === "arguments" && !state.isStrict()) {
- warning("E031", assignToken);
- }
- }
- if (left.id === "[") {
- state.nameStack.set(left.right);
- }
- return true;
- } else if (left.isMetaProperty) {
- error("E031", assignToken);
- return true;
- } else if (left.identifier && !isReserved(left)) {
- if (state.funct["(scope)"].labeltype(left.value) === "exception") {
- warning("W022", left);
- }
- state.nameStack.set(left);
- return true;
- }
- if (left === state.syntax["function"]) {
- warning("W023", state.tokens.curr);
- }
- return false;
- }
- function assignop(s, f, p) {
- var x = infix(s, typeof f === "function" ? f : function(left, that) {
- that.left = left;
- if (left && checkLeftSideAssign(left, that, { allowDestructuring: true })) {
- that.right = expression(10);
- return that;
- }
- error("E031", that);
- }, p);
- x.exps = true;
- x.assign = true;
- return x;
- }
- function bitwise(s, f, p) {
- var x = symbol(s, p);
- reserveName(x);
- x.led = (typeof f === "function") ? f : function(left) {
- if (state.option.bitwise) {
- warning("W016", this, this.id);
- }
- this.left = left;
- this.right = expression(p);
- return this;
- };
- return x;
- }
- function bitwiseassignop(s) {
- return assignop(s, function(left, that) {
- if (state.option.bitwise) {
- warning("W016", that, that.id);
- }
- if (left && checkLeftSideAssign(left, that)) {
- that.right = expression(10);
- return that;
- }
- error("E031", that);
- }, 20);
- }
- function suffix(s) {
- var x = symbol(s, 150);
- x.led = function(left) {
- // this = suffix e.g. "++" punctuator
- // left = symbol operated e.g. "a" identifier or "a.b" punctuator
- if (state.option.plusplus) {
- warning("W016", this, this.id);
- } else if ((!left.identifier || isReserved(left)) && left.id !== "." && left.id !== "[") {
- warning("W017", this);
- }
- if (left.isMetaProperty) {
- error("E031", this);
- // detect increment/decrement of a const
- // in the case of a.b, left will be the "." punctuator
- } else if (left && left.identifier) {
- state.funct["(scope)"].block.modify(left.value, left);
- }
- this.left = left;
- return this;
- };
- return x;
- }
- // fnparam means that this identifier is being defined as a function
- // argument (see identifier())
- // prop means that this identifier is that of an object property
- function optionalidentifier(fnparam, prop, preserve) {
- if (!state.tokens.next.identifier) {
- return;
- }
- if (!preserve) {
- advance();
- }
- var curr = state.tokens.curr;
- var val = state.tokens.curr.value;
- if (!isReserved(curr)) {
- return val;
- }
- if (prop) {
- if (state.inES5()) {
- return val;
- }
- }
- if (fnparam && val === "undefined") {
- return val;
- }
- warning("W024", state.tokens.curr, state.tokens.curr.id);
- return val;
- }
- // fnparam means that this identifier is being defined as a function
- // argument
- // prop means that this identifier is that of an object property
- function identifier(fnparam, prop) {
- var i = optionalidentifier(fnparam, prop, false);
- if (i) {
- return i;
- }
- // parameter destructuring with rest operator
- if (state.tokens.next.value === "...") {
- if (!state.inES6(true)) {
- warning("W119", state.tokens.next, "spread/rest operator", "6");
- }
- advance();
- if (checkPunctuator(state.tokens.next, "...")) {
- warning("E024", state.tokens.next, "...");
- while (checkPunctuator(state.tokens.next, "...")) {
- advance();
- }
- }
- if (!state.tokens.next.identifier) {
- warning("E024", state.tokens.curr, "...");
- return;
- }
- return identifier(fnparam, prop);
- } else {
- error("E030", state.tokens.next, state.tokens.next.value);
- // The token should be consumed after a warning is issued so the parser
- // can continue as though an identifier were found. The semicolon token
- // should not be consumed in this way so that the parser interprets it as
- // a statement delimeter;
- if (state.tokens.next.id !== ";") {
- advance();
- }
- }
- }
- function reachable(controlToken) {
- var i = 0, t;
- if (state.tokens.next.id !== ";" || controlToken.inBracelessBlock) {
- return;
- }
- for (;;) {
- do {
- t = peek(i);
- i += 1;
- } while (t.id !== "(end)" && t.id === "(comment)");
- if (t.reach) {
- return;
- }
- if (t.id !== "(endline)") {
- if (t.id === "function") {
- if (state.option.latedef === true) {
- warning("W026", t);
- }
- break;
- }
- warning("W027", t, t.value, controlToken.value);
- break;
- }
- }
- }
- function parseFinalSemicolon() {
- if (state.tokens.next.id !== ";") {
- // don't complain about unclosed templates / strings
- if (state.tokens.next.isUnclosed) return advance();
- var sameLine = startLine(state.tokens.next) === state.tokens.curr.line &&
- state.tokens.next.id !== "(end)";
- var blockEnd = checkPunctuator(state.tokens.next, "}");
- if (sameLine && !blockEnd) {
- errorAt("E058", state.tokens.curr.line, state.tokens.curr.character);
- } else if (!state.option.asi) {
- // If this is the last statement in a block that ends on
- // the same line *and* option lastsemic is on, ignore the warning.
- // Otherwise, complain about missing semicolon.
- if ((blockEnd && !state.option.lastsemic) || !sameLine) {
- warningAt("W033", state.tokens.curr.line, state.tokens.curr.character);
- }
- }
- } else {
- advance(";");
- }
- }
- function statement() {
- var i = indent, r, t = state.tokens.next, hasOwnScope = false;
- if (t.id === ";") {
- advance(";");
- return;
- }
- // Is this a labelled statement?
- var res = isReserved(t);
- // We're being more tolerant here: if someone uses
- // a FutureReservedWord as a label, we warn but proceed
- // anyway.
- if (res && t.meta && t.meta.isFutureReservedWord && peek().id === ":") {
- warning("W024", t, t.id);
- res = false;
- }
- if (t.identifier && !res && peek().id === ":") {
- advance();
- advance(":");
- hasOwnScope = true;
- state.funct["(scope)"].stack();
- state.funct["(scope)"].block.addBreakLabel(t.value, { token: state.tokens.curr });
- if (!state.tokens.next.labelled && state.tokens.next.value !== "{") {
- warning("W028", state.tokens.next, t.value, state.tokens.next.value);
- }
- state.tokens.next.label = t.value;
- t = state.tokens.next;
- }
- // Is it a lonely block?
- if (t.id === "{") {
- // Is it a switch case block?
- //
- // switch (foo) {
- // case bar: { <= here.
- // ...
- // }
- // }
- var iscase = (state.funct["(verb)"] === "case" && state.tokens.curr.value === ":");
- block(true, true, false, false, iscase);
- return;
- }
- // Parse the statement.
- r = expression(0, true);
- if (r && !(r.identifier && r.value === "function") &&
- !(r.type === "(punctuator)" && r.left &&
- r.left.identifier && r.left.value === "function")) {
- if (!state.isStrict() &&
- state.option.strict === "global") {
- warning("E007");
- }
- }
- // Look for the final semicolon.
- if (!t.block) {
- if (!state.option.expr && (!r || !r.exps)) {
- warning("W030", state.tokens.curr);
- } else if (state.option.nonew && r && r.left && r.id === "(" && r.left.id === "new") {
- warning("W031", t);
- }
- parseFinalSemicolon();
- }
- // Restore the indentation.
- indent = i;
- if (hasOwnScope) {
- state.funct["(scope)"].unstack();
- }
- return r;
- }
- function statements() {
- var a = [], p;
- while (!state.tokens.next.reach && state.tokens.next.id !== "(end)") {
- if (state.tokens.next.id === ";") {
- p = peek();
- if (!p || (p.id !== "(" && p.id !== "[")) {
- warning("W032");
- }
- advance(";");
- } else {
- a.push(statement());
- }
- }
- return a;
- }
- /*
- * read all directives
- * recognizes a simple form of asi, but always
- * warns, if it is used
- */
- function directives() {
- var i, p, pn;
- while (state.tokens.next.id === "(string)") {
- p = peek(0);
- if (p.id === "(endline)") {
- i = 1;
- do {
- pn = peek(i++);
- } while (pn.id === "(endline)");
- if (pn.id === ";") {
- p = pn;
- } else if (pn.value === "[" || pn.value === ".") {
- // string -> [ | . is a valid production
- break;
- } else if (!state.option.asi || pn.value === "(") {
- // string -> ( is not a valid production
- warning("W033", state.tokens.next);
- }
- } else if (p.id === "." || p.id === "[") {
- break;
- } else if (p.id !== ";") {
- warning("W033", p);
- }
- advance();
- var directive = state.tokens.curr.value;
- if (state.directive[directive] ||
- (directive === "use strict" && state.option.strict === "implied")) {
- warning("W034", state.tokens.curr, directive);
- }
- // there's no directive negation, so always set to true
- state.directive[directive] = true;
- if (p.id === ";") {
- advance(";");
- }
- }
- if (state.isStrict()) {
- if (!state.option["(explicitNewcap)"]) {
- state.option.newcap = true;
- }
- state.option.undef = true;
- }
- }
- /*
- * Parses a single block. A block is a sequence of statements wrapped in
- * braces.
- *
- * ordinary - true for everything but function bodies and try blocks.
- * stmt - true if block can be a single statement (e.g. in if/for/while).
- * isfunc - true if block is a function body
- * isfatarrow - true if its a body of a fat arrow function
- * iscase - true if block is a switch case block
- */
- function block(ordinary, stmt, isfunc, isfatarrow, iscase) {
- var a,
- b = inblock,
- old_indent = indent,
- m,
- t,
- line,
- d;
- inblock = ordinary;
- t = state.tokens.next;
- var metrics = state.funct["(metrics)"];
- metrics.nestedBlockDepth += 1;
- metrics.verifyMaxNestedBlockDepthPerFunction();
- if (state.tokens.next.id === "{") {
- advance("{");
- // create a new block scope
- state.funct["(scope)"].stack();
- line = state.tokens.curr.line;
- if (state.tokens.next.id !== "}") {
- indent += state.option.indent;
- while (!ordinary && state.tokens.next.from > indent) {
- indent += state.option.indent;
- }
- if (isfunc) {
- m = {};
- for (d in state.directive) {
- if (_.has(state.directive, d)) {
- m[d] = state.directive[d];
- }
- }
- directives();
- if (state.option.strict && state.funct["(context)"]["(global)"]) {
- if (!m["use strict"] && !state.isStrict()) {
- warning("E007");
- }
- }
- }
- a = statements();
- metrics.statementCount += a.length;
- indent -= state.option.indent;
- }
- advance("}", t);
- if (isfunc) {
- state.funct["(scope)"].validateParams();
- if (m) {
- state.directive = m;
- }
- }
- state.funct["(scope)"].unstack();
- indent = old_indent;
- } else if (!ordinary) {
- if (isfunc) {
- state.funct["(scope)"].stack();
- m = {};
- if (stmt && !isfatarrow && !state.inMoz()) {
- error("W118", state.tokens.curr, "function closure expressions");
- }
- if (!stmt) {
- for (d in state.directive) {
- if (_.has(state.directive, d)) {
- m[d] = state.directive[d];
- }
- }
- }
- expression(10);
- if (state.option.strict && state.funct["(context)"]["(global)"]) {
- if (!m["use strict"] && !state.isStrict()) {
- warning("E007");
- }
- }
- state.funct["(scope)"].unstack();
- } else {
- error("E021", state.tokens.next, "{", state.tokens.next.value);
- }
- } else {
- // check to avoid let declaration not within a block
- // though is fine inside for loop initializer section
- state.funct["(noblockscopedvar)"] = state.tokens.next.id !== "for";
- state.funct["(scope)"].stack();
- if (!stmt || state.option.curly) {
- warning("W116", state.tokens.next, "{", state.tokens.next.value);
- }
- state.tokens.next.inBracelessBlock = true;
- indent += state.option.indent;
- // test indentation only if statement is in new line
- a = [statement()];
- indent -= state.option.indent;
- state.funct["(scope)"].unstack();
- delete state.funct["(noblockscopedvar)"];
- }
- // Don't clear and let it propagate out if it is "break", "return" or similar in switch case
- switch (state.funct["(verb)"]) {
- case "break":
- case "continue":
- case "return":
- case "throw":
- if (iscase) {
- break;
- }
- /* falls through */
- default:
- state.funct["(verb)"] = null;
- }
- inblock = b;
- if (ordinary && state.option.noempty && (!a || a.length === 0)) {
- warning("W035", state.tokens.prev);
- }
- metrics.nestedBlockDepth -= 1;
- return a;
- }
- function countMember(m) {
- if (membersOnly && typeof membersOnly[m] !== "boolean") {
- warning("W036", state.tokens.curr, m);
- }
- if (typeof member[m] === "number") {
- member[m] += 1;
- } else {
- member[m] = 1;
- }
- }
- // Build the syntax table by declaring the syntactic elements of the language.
- type("(number)", function() {
- return this;
- });
- type("(string)", function() {
- return this;
- });
- state.syntax["(identifier)"] = {
- type: "(identifier)",
- lbp: 0,
- identifier: true,
- nud: function() {
- var v = this.value;
- // If this identifier is the lone parameter to a shorthand "fat arrow"
- // function definition, i.e.
- //
- // x => x;
- //
- // ...it should not be considered as a variable in the current scope. It
- // will be added to the scope of the new function when the next token is
- // parsed, so it can be safely ignored for now.
- if (state.tokens.next.id === "=>") {
- return this;
- }
- if (!state.funct["(comparray)"].check(v)) {
- state.funct["(scope)"].block.use(v, state.tokens.curr);
- }
- return this;
- },
- led: function() {
- error("E033", state.tokens.next, state.tokens.next.value);
- }
- };
- var baseTemplateSyntax = {
- lbp: 0,
- identifier: false,
- template: true,
- };
- state.syntax["(template)"] = _.extend({
- type: "(template)",
- nud: doTemplateLiteral,
- led: doTemplateLiteral,
- noSubst: false
- }, baseTemplateSyntax);
- state.syntax["(template middle)"] = _.extend({
- type: "(template middle)",
- middle: true,
- noSubst: false
- }, baseTemplateSyntax);
- state.syntax["(template tail)"] = _.extend({
- type: "(template tail)",
- tail: true,
- noSubst: false
- }, baseTemplateSyntax);
- state.syntax["(no subst template)"] = _.extend({
- type: "(template)",
- nud: doTemplateLiteral,
- led: doTemplateLiteral,
- noSubst: true,
- tail: true // mark as tail, since it's always the last component
- }, baseTemplateSyntax);
- type("(regexp)", function() {
- return this;
- });
- // ECMAScript parser
- delim("(endline)");
- delim("(begin)");
- delim("(end)").reach = true;
- delim("(error)").reach = true;
- delim("}").reach = true;
- delim(")");
- delim("]");
- delim("\"").reach = true;
- delim("'").reach = true;
- delim(";");
- delim(":").reach = true;
- delim("#");
- reserve("else");
- reserve("case").reach = true;
- reserve("catch");
- reserve("default").reach = true;
- reserve("finally");
- reservevar("arguments", function(x) {
- if (state.isStrict() && state.funct["(global)"]) {
- warning("E008", x);
- }
- });
- reservevar("eval");
- reservevar("false");
- reservevar("Infinity");
- reservevar("null");
- reservevar("this", function(x) {
- if (state.isStrict() && !isMethod() &&
- !state.option.validthis && ((state.funct["(statement)"] &&
- state.funct["(name)"].charAt(0) > "Z") || state.funct["(global)"])) {
- warning("W040", x);
- }
- });
- reservevar("true");
- reservevar("undefined");
- assignop("=", "assign", 20);
- assignop("+=", "assignadd", 20);
- assignop("-=", "assignsub", 20);
- assignop("*=", "assignmult", 20);
- assignop("/=", "assigndiv", 20).nud = function() {
- error("E014");
- };
- assignop("%=", "assignmod", 20);
- bitwiseassignop("&=");
- bitwiseassignop("|=");
- bitwiseassignop("^=");
- bitwiseassignop("<<=");
- bitwiseassignop(">>=");
- bitwiseassignop(">>>=");
- infix(",", function(left, that) {
- var expr;
- that.exprs = [left];
- if (state.option.nocomma) {
- warning("W127");
- }
- if (!comma({ peek: true })) {
- return that;
- }
- while (true) {
- if (!(expr = expression(10))) {
- break;
- }
- that.exprs.push(expr);
- if (state.tokens.next.value !== "," || !comma()) {
- break;
- }
- }
- return that;
- }, 10, true);
- infix("?", function(left, that) {
- increaseComplexityCount();
- that.left = left;
- that.right = expression(10);
- advance(":");
- that["else"] = expression(10);
- return that;
- }, 30);
- var orPrecendence = 40;
- infix("||", function(left, that) {
- increaseComplexityCount();
- that.left = left;
- that.right = expression(orPrecendence);
- return that;
- }, orPrecendence);
- infix("&&", "and", 50);
- bitwise("|", "bitor", 70);
- bitwise("^", "bitxor", 80);
- bitwise("&", "bitand", 90);
- relation("==", function(left, right) {
- var eqnull = state.option.eqnull &&
- ((left && left.value) === "null" || (right && right.value) === "null");
- switch (true) {
- case !eqnull && state.option.eqeqeq:
- this.from = this.character;
- warning("W116", this, "===", "==");
- break;
- case isPoorRelation(left):
- warning("W041", this, "===", left.value);
- break;
- case isPoorRelation(right):
- warning("W041", this, "===", right.value);
- break;
- case isTypoTypeof(right, left, state):
- warning("W122", this, right.value);
- break;
- case isTypoTypeof(left, right, state):
- warning("W122", this, left.value);
- break;
- }
- return this;
- });
- relation("===", function(left, right) {
- if (isTypoTypeof(right, left, state)) {
- warning("W122", this, right.value);
- } else if (isTypoTypeof(left, right, state)) {
- warning("W122", this, left.value);
- }
- return this;
- });
- relation("!=", function(left, right) {
- var eqnull = state.option.eqnull &&
- ((left && left.value) === "null" || (right && right.value) === "null");
- if (!eqnull && state.option.eqeqeq) {
- this.from = this.character;
- warning("W116", this, "!==", "!=");
- } else if (isPoorRelation(left)) {
- warning("W041", this, "!==", left.value);
- } else if (isPoorRelation(right)) {
- warning("W041", this, "!==", right.value);
- } else if (isTypoTypeof(right, left, state)) {
- warning("W122", this, right.value);
- } else if (isTypoTypeof(left, right, state)) {
- warning("W122", this, left.value);
- }
- return this;
- });
- relation("!==", function(left, right) {
- if (isTypoTypeof(right, left, state)) {
- warning("W122", this, right.value);
- } else if (isTypoTypeof(left, right, state)) {
- warning("W122", this, left.value);
- }
- return this;
- });
- relation("<");
- relation(">");
- relation("<=");
- relation(">=");
- bitwise("<<", "shiftleft", 120);
- bitwise(">>", "shiftright", 120);
- bitwise(">>>", "shiftrightunsigned", 120);
- infix("in", "in", 120);
- infix("instanceof", "instanceof", 120);
- infix("+", function(left, that) {
- var right;
- that.left = left;
- that.right = right = expression(130);
- if (left && right && left.id === "(string)" && right.id === "(string)") {
- left.value += right.value;
- left.character = right.character;
- if (!state.option.scripturl && reg.javascriptURL.test(left.value)) {
- warning("W050", left);
- }
- return left;
- }
- return that;
- }, 130);
- prefix("+", "num");
- prefix("+++", function() {
- warning("W007");
- this.arity = "unary";
- this.right = expression(150);
- return this;
- });
- infix("+++", function(left) {
- warning("W007");
- this.left = left;
- this.right = expression(130);
- return this;
- }, 130);
- infix("-", "sub", 130);
- prefix("-", "neg");
- prefix("---", function() {
- warning("W006");
- this.arity = "unary";
- this.right = expression(150);
- return this;
- });
- infix("---", function(left) {
- warning("W006");
- this.left = left;
- this.right = expression(130);
- return this;
- }, 130);
- infix("*", "mult", 140);
- infix("/", "div", 140);
- infix("%", "mod", 140);
- suffix("++");
- prefix("++", "preinc");
- state.syntax["++"].exps = true;
- suffix("--");
- prefix("--", "predec");
- state.syntax["--"].exps = true;
- prefix("delete", function() {
- var p = expression(10);
- if (!p) {
- return this;
- }
- if (p.id !== "." && p.id !== "[") {
- warning("W051");
- }
- this.first = p;
- // The `delete` operator accepts unresolvable references when not in strict
- // mode, so the operand may be undefined.
- if (p.identifier && !state.isStrict()) {
- p.forgiveUndef = true;
- }
- return this;
- }).exps = true;
- prefix("~", function() {
- if (state.option.bitwise) {
- warning("W016", this, "~");
- }
- this.arity = "unary";
- this.right = expression(150);
- return this;
- });
- prefix("...", function() {
- if (!state.inES6(true)) {
- warning("W119", this, "spread/rest operator", "6");
- }
- // TODO: Allow all AssignmentExpression
- // once parsing permits.
- //
- // How to handle eg. number, boolean when the built-in
- // prototype of may have an @@iterator definition?
- //
- // Number.prototype[Symbol.iterator] = function * () {
- // yield this.valueOf();
- // };
- //
- // var a = [ ...1 ];
- // console.log(a); // [1];
- //
- // for (let n of [...10]) {
- // console.log(n);
- // }
- // // 10
- //
- //
- // Boolean.prototype[Symbol.iterator] = function * () {
- // yield this.valueOf();
- // };
- //
- // var a = [ ...true ];
- // console.log(a); // [true];
- //
- // for (let n of [...false]) {
- // console.log(n);
- // }
- // // false
- //
- if (!state.tokens.next.identifier &&
- state.tokens.next.type !== "(string)" &&
- !checkPunctuators(state.tokens.next, ["[", "("])) {
- error("E030", state.tokens.next, state.tokens.next.value);
- }
- expression(150);
- return this;
- });
- prefix("!", function() {
- this.arity = "unary";
- this.right = expression(150);
- if (!this.right) { // '!' followed by nothing? Give up.
- quit("E041", this.line || 0);
- }
- if (bang[this.right.id] === true) {
- warning("W018", this, "!");
- }
- return this;
- });
- prefix("typeof", (function() {
- var p = expression(150);
- this.first = this.right = p;
- if (!p) { // 'typeof' followed by nothing? Give up.
- quit("E041", this.line || 0, this.character || 0);
- }
- // The `typeof` operator accepts unresolvable references, so the operand
- // may be undefined.
- if (p.identifier) {
- p.forgiveUndef = true;
- }
- return this;
- }));
- prefix("new", function() {
- var mp = metaProperty("target", function() {
- if (!state.inES6(true)) {
- warning("W119", state.tokens.prev, "new.target", "6");
- }
- var inFunction, c = state.funct;
- while (c) {
- inFunction = !c["(global)"];
- if (!c["(arrow)"]) { break; }
- c = c["(context)"];
- }
- if (!inFunction) {
- warning("W136", state.tokens.prev, "new.target");
- }
- });
- if (mp) { return mp; }
- var c = expression(155), i;
- if (c && c.id !== "function") {
- if (c.identifier) {
- c["new"] = true;
- switch (c.value) {
- case "Number":
- case "String":
- case "Boolean":
- case "Math":
- case "JSON":
- warning("W053", state.tokens.prev, c.value);
- break;
- case "Symbol":
- if (state.inES6()) {
- warning("W053", state.tokens.prev, c.value);
- }
- break;
- case "Function":
- if (!state.option.evil) {
- warning("W054");
- }
- break;
- case "Date":
- case "RegExp":
- case "this":
- break;
- default:
- if (c.id !== "function") {
- i = c.value.substr(0, 1);
- if (state.option.newcap && (i < "A" || i > "Z") &&
- !state.funct["(scope)"].isPredefined(c.value)) {
- warning("W055", state.tokens.curr);
- }
- }
- }
- } else {
- if (c.id !== "." && c.id !== "[" && c.id !== "(") {
- warning("W056", state.tokens.curr);
- }
- }
- } else {
- if (!state.option.supernew)
- warning("W057", this);
- }
- if (state.tokens.next.id !== "(" && !state.option.supernew) {
- warning("W058", state.tokens.curr, state.tokens.curr.value);
- }
- this.first = this.right = c;
- return this;
- });
- state.syntax["new"].exps = true;
- prefix("void").exps = true;
- infix(".", function(left, that) {
- var m = identifier(false, true);
- if (typeof m === "string") {
- countMember(m);
- }
- that.left = left;
- that.right = m;
- if (m && m === "hasOwnProperty" && state.tokens.next.value === "=") {
- warning("W001");
- }
- if (left && left.value === "arguments" && (m === "callee" || m === "caller")) {
- if (state.option.noarg)
- warning("W059", left, m);
- else if (state.isStrict())
- error("E008");
- } else if (!state.option.evil && left && left.value === "document" &&
- (m === "write" || m === "writeln")) {
- warning("W060", left);
- }
- if (!state.option.evil && (m === "eval" || m === "execScript")) {
- if (isGlobalEval(left, state)) {
- warning("W061");
- }
- }
- return that;
- }, 160, true);
- infix("(", function(left, that) {
- if (state.option.immed && left && !left.immed && left.id === "function") {
- warning("W062");
- }
- var n = 0;
- var p = [];
- if (left) {
- if (left.type === "(identifier)") {
- if (left.value.match(/^[A-Z]([A-Z0-9_$]*[a-z][A-Za-z0-9_$]*)?$/)) {
- if ("Array Number String Boolean Date Object Error Symbol".indexOf(left.value) === -1) {
- if (left.value === "Math") {
- warning("W063", left);
- } else if (state.option.newcap) {
- warning("W064", left);
- }
- }
- }
- }
- }
- if (state.tokens.next.id !== ")") {
- for (;;) {
- p[p.length] = expression(10);
- n += 1;
- if (state.tokens.next.id !== ",") {
- break;
- }
- comma();
- }
- }
- advance(")");
- if (typeof left === "object") {
- if (!state.inES5() && left.value === "parseInt" && n === 1) {
- warning("W065", state.tokens.curr);
- }
- if (!state.option.evil) {
- if (left.value === "eval" || left.value === "Function" ||
- left.value === "execScript") {
- warning("W061", left);
- if (p[0] && [0].id === "(string)") {
- addInternalSrc(left, p[0].value);
- }
- } else if (p[0] && p[0].id === "(string)" &&
- (left.value === "setTimeout" ||
- left.value === "setInterval")) {
- warning("W066", left);
- addInternalSrc(left, p[0].value);
- // window.setTimeout/setInterval
- } else if (p[0] && p[0].id === "(string)" &&
- left.value === "." &&
- left.left.value === "window" &&
- (left.right === "setTimeout" ||
- left.right === "setInterval")) {
- warning("W066", left);
- addInternalSrc(left, p[0].value);
- }
- }
- if (!left.identifier && left.id !== "." && left.id !== "[" && left.id !== "=>" &&
- left.id !== "(" && left.id !== "&&" && left.id !== "||" && left.id !== "?" &&
- !(state.inES6() && left["(name)"])) {
- warning("W067", that);
- }
- }
- that.left = left;
- return that;
- }, 155, true).exps = true;
- prefix("(", function() {
- var pn = state.tokens.next, pn1, i = -1;
- var ret, triggerFnExpr, first, last;
- var parens = 1;
- var opening = state.tokens.curr;
- var preceeding = state.tokens.prev;
- var isNecessary = !state.option.singleGroups;
- do {
- if (pn.value === "(") {
- parens += 1;
- } else if (pn.value === ")") {
- parens -= 1;
- }
- i += 1;
- pn1 = pn;
- pn = peek(i);
- } while (!(parens === 0 && pn1.value === ")") && pn.value !== ";" && pn.type !== "(end)");
- if (state.tokens.next.id === "function") {
- triggerFnExpr = state.tokens.next.immed = true;
- }
- // If the balanced grouping operator is followed by a "fat arrow", the
- // current token marks the beginning of a "fat arrow" function and parsing
- // should proceed accordingly.
- if (pn.value === "=>") {
- return doFunction({ type: "arrow", parsedOpening: true });
- }
- var exprs = [];
- if (state.tokens.next.id !== ")") {
- for (;;) {
- exprs.push(expression(10));
- if (state.tokens.next.id !== ",") {
- break;
- }
- if (state.option.nocomma) {
- warning("W127");
- }
- comma();
- }
- }
- advance(")", this);
- if (state.option.immed && exprs[0] && exprs[0].id === "function") {
- if (state.tokens.next.id !== "(" &&
- state.tokens.next.id !== "." && state.tokens.next.id !== "[") {
- warning("W068", this);
- }
- }
- if (!exprs.length) {
- return;
- }
- if (exprs.length > 1) {
- ret = Object.create(state.syntax[","]);
- ret.exprs = exprs;
- first = exprs[0];
- last = exprs[exprs.length - 1];
- if (!isNecessary) {
- isNecessary = preceeding.assign || preceeding.delim;
- }
- } else {
- ret = first = last = exprs[0];
- if (!isNecessary) {
- isNecessary =
- // Used to distinguish from an ExpressionStatement which may not
- // begin with the `{` and `function` tokens
- (opening.beginsStmt && (ret.id === "{" || triggerFnExpr || isFunctor(ret))) ||
- // Used to signal that a function expression is being supplied to
- // some other operator.
- (triggerFnExpr &&
- // For parenthesis wrapping a function expression to be considered
- // necessary, the grouping operator should be the left-hand-side of
- // some other operator--either within the parenthesis or directly
- // following them.
- (!isEndOfExpr() || state.tokens.prev.id !== "}")) ||
- // Used to demarcate an arrow function as the left-hand side of some
- // operator.
- (isFunctor(ret) && !isEndOfExpr()) ||
- // Used as the return value of a single-statement arrow function
- (ret.id === "{" && preceeding.id === "=>") ||
- // Used to delineate an integer number literal from a dereferencing
- // punctuator (otherwise interpreted as a decimal point)
- (ret.type === "(number)" &&
- checkPunctuator(pn, ".") && /^\d+$/.test(ret.value));
- }
- }
- if (ret) {
- // The operator may be necessary to override the default binding power of
- // neighboring operators (whenever there is an operator in use within the
- // first expression *or* the current group contains multiple expressions)
- if (!isNecessary && (first.left || first.right || ret.exprs)) {
- isNecessary =
- (!isBeginOfExpr(preceeding) && first.lbp <= preceeding.lbp) ||
- (!isEndOfExpr() && last.lbp < state.tokens.next.lbp);
- }
- if (!isNecessary) {
- warning("W126", opening);
- }
- ret.paren = true;
- }
- return ret;
- });
- application("=>");
- infix("[", function(left, that) {
- var e = expression(10), s;
- if (e && e.type === "(string)") {
- if (!state.option.evil && (e.value === "eval" || e.value === "execScript")) {
- if (isGlobalEval(left, state)) {
- warning("W061");
- }
- }
- countMember(e.value);
- if (!state.option.sub && reg.identifier.test(e.value)) {
- s = state.syntax[e.value];
- if (!s || !isReserved(s)) {
- warning("W069", state.tokens.prev, e.value);
- }
- }
- }
- advance("]", that);
- if (e && e.value === "hasOwnProperty" && state.tokens.next.value === "=") {
- warning("W001");
- }
- that.left = left;
- that.right = e;
- return that;
- }, 160, true);
- function comprehensiveArrayExpression() {
- var res = {};
- res.exps = true;
- state.funct["(comparray)"].stack();
- // Handle reversed for expressions, used in spidermonkey
- var reversed = false;
- if (state.tokens.next.value !== "for") {
- reversed = true;
- if (!state.inMoz()) {
- warning("W116", state.tokens.next, "for", state.tokens.next.value);
- }
- state.funct["(comparray)"].setState("use");
- res.right = expression(10);
- }
- advance("for");
- if (state.tokens.next.value === "each") {
- advance("each");
- if (!state.inMoz()) {
- warning("W118", state.tokens.curr, "for each");
- }
- }
- advance("(");
- state.funct["(comparray)"].setState("define");
- res.left = expression(130);
- if (_.contains(["in", "of"], state.tokens.next.value)) {
- advance();
- } else {
- error("E045", state.tokens.curr);
- }
- state.funct["(comparray)"].setState("generate");
- expression(10);
- advance(")");
- if (state.tokens.next.value === "if") {
- advance("if");
- advance("(");
- state.funct["(comparray)"].setState("filter");
- res.filter = expression(10);
- advance(")");
- }
- if (!reversed) {
- state.funct["(comparray)"].setState("use");
- res.right = expression(10);
- }
- advance("]");
- state.funct["(comparray)"].unstack();
- return res;
- }
- prefix("[", function() {
- var blocktype = lookupBlockType();
- if (blocktype.isCompArray) {
- if (!state.option.esnext && !state.inMoz()) {
- warning("W118", state.tokens.curr, "array comprehension");
- }
- return comprehensiveArrayExpression();
- } else if (blocktype.isDestAssign) {
- this.destructAssign = destructuringPattern({ openingParsed: true, assignment: true });
- return this;
- }
- var b = state.tokens.curr.line !== startLine(state.tokens.next);
- this.first = [];
- if (b) {
- indent += state.option.indent;
- if (state.tokens.next.from === indent + state.option.indent) {
- indent += state.option.indent;
- }
- }
- while (state.tokens.next.id !== "(end)") {
- while (state.tokens.next.id === ",") {
- if (!state.option.elision) {
- if (!state.inES5()) {
- // Maintain compat with old options --- ES5 mode without
- // elision=true will warn once per comma
- warning("W070");
- } else {
- warning("W128");
- do {
- advance(",");
- } while (state.tokens.next.id === ",");
- continue;
- }
- }
- advance(",");
- }
- if (state.tokens.next.id === "]") {
- break;
- }
- this.first.push(expression(10));
- if (state.tokens.next.id === ",") {
- comma({ allowTrailing: true });
- if (state.tokens.next.id === "]" && !state.inES5()) {
- warning("W070", state.tokens.curr);
- break;
- }
- } else {
- break;
- }
- }
- if (b) {
- indent -= state.option.indent;
- }
- advance("]", this);
- return this;
- });
- function isMethod() {
- return state.funct["(statement)"] && state.funct["(statement)"].type === "class" ||
- state.funct["(context)"] && state.funct["(context)"]["(verb)"] === "class";
- }
- function isPropertyName(token) {
- return token.identifier || token.id === "(string)" || token.id === "(number)";
- }
- function propertyName(preserveOrToken) {
- var id;
- var preserve = true;
- if (typeof preserveOrToken === "object") {
- id = preserveOrToken;
- } else {
- preserve = preserveOrToken;
- id = optionalidentifier(false, true, preserve);
- }
- if (!id) {
- if (state.tokens.next.id === "(string)") {
- id = state.tokens.next.value;
- if (!preserve) {
- advance();
- }
- } else if (state.tokens.next.id === "(number)") {
- id = state.tokens.next.value.toString();
- if (!preserve) {
- advance();
- }
- }
- } else if (typeof id === "object") {
- if (id.id === "(string)" || id.id === "(identifier)") id = id.value;
- else if (id.id === "(number)") id = id.value.toString();
- }
- if (id === "hasOwnProperty") {
- warning("W001");
- }
- return id;
- }
- /**
- * @param {Object} [options]
- * @param {token} [options.loneArg] The argument to the function in cases
- * where it was defined using the
- * single-argument shorthand.
- * @param {bool} [options.parsedOpening] Whether the opening parenthesis has
- * already been parsed.
- * @returns {{ arity: number, params: Array.<string>}}
- */
- function functionparams(options) {
- var next;
- var paramsIds = [];
- var ident;
- var tokens = [];
- var t;
- var pastDefault = false;
- var pastRest = false;
- var arity = 0;
- var loneArg = options && options.loneArg;
- if (loneArg && loneArg.identifier === true) {
- state.funct["(scope)"].addParam(loneArg.value, loneArg);
- return { arity: 1, params: [ loneArg.value ] };
- }
- next = state.tokens.next;
- if (!options || !options.parsedOpening) {
- advance("(");
- }
- if (state.tokens.next.id === ")") {
- advance(")");
- return;
- }
- function addParam(addParamArgs) {
- state.funct["(scope)"].addParam.apply(state.funct["(scope)"], addParamArgs);
- }
- for (;;) {
- arity++;
- // are added to the param scope
- var currentParams = [];
- if (_.contains(["{", "["], state.tokens.next.id)) {
- tokens = destructuringPattern();
- for (t in tokens) {
- t = tokens[t];
- if (t.id) {
- paramsIds.push(t.id);
- currentParams.push([t.id, t.token]);
- }
- }
- } else {
- if (checkPunctuator(state.tokens.next, "...")) pastRest = true;
- ident = identifier(true);
- if (ident) {
- paramsIds.push(ident);
- currentParams.push([ident, state.tokens.curr]);
- } else {
- // Skip invalid parameter.
- while (!checkPunctuators(state.tokens.next, [",", ")"])) advance();
- }
- }
- // It is valid to have a regular argument after a default argument
- // since undefined can be used for missing parameters. Still warn as it is
- // a possible code smell.
- if (pastDefault) {
- if (state.tokens.next.id !== "=") {
- error("W138", state.tokens.current);
- }
- }
- if (state.tokens.next.id === "=") {
- if (!state.inES6()) {
- warning("W119", state.tokens.next, "default parameters", "6");
- }
- advance("=");
- pastDefault = true;
- expression(10);
- }
- // now we have evaluated the default expression, add the variable to the param scope
- currentParams.forEach(addParam);
- if (state.tokens.next.id === ",") {
- if (pastRest) {
- warning("W131", state.tokens.next);
- }
- comma();
- } else {
- advance(")", next);
- return { arity: arity, params: paramsIds };
- }
- }
- }
- function functor(name, token, overwrites) {
- var funct = {
- "(name)" : name,
- "(breakage)" : 0,
- "(loopage)" : 0,
- "(tokens)" : {},
- "(properties)": {},
- "(catch)" : false,
- "(global)" : false,
- "(line)" : null,
- "(character)" : null,
- "(metrics)" : null,
- "(statement)" : null,
- "(context)" : null,
- "(scope)" : null,
- "(comparray)" : null,
- "(generator)" : null,
- "(arrow)" : null,
- "(params)" : null
- };
- if (token) {
- _.extend(funct, {
- "(line)" : token.line,
- "(character)": token.character,
- "(metrics)" : createMetrics(token)
- });
- }
- _.extend(funct, overwrites);
- if (funct["(context)"]) {
- funct["(scope)"] = funct["(context)"]["(scope)"];
- funct["(comparray)"] = funct["(context)"]["(comparray)"];
- }
- return funct;
- }
- function isFunctor(token) {
- return "(scope)" in token;
- }
- /**
- * Determine if the parser has begun parsing executable code.
- *
- * @param {Token} funct - The current "functor" token
- *
- * @returns {boolean}
- */
- function hasParsedCode(funct) {
- return funct["(global)"] && !funct["(verb)"];
- }
- function doTemplateLiteral(left) {
- // ASSERT: this.type === "(template)"
- // jshint validthis: true
- var ctx = this.context;
- var noSubst = this.noSubst;
- var depth = this.depth;
- if (!noSubst) {
- while (!end()) {
- if (!state.tokens.next.template || state.tokens.next.depth > depth) {
- expression(0); // should probably have different rbp?
- } else {
- // skip template start / middle
- advance();
- }
- }
- }
- return {
- id: "(template)",
- type: "(template)",
- tag: left
- };
- function end() {
- if (state.tokens.curr.template && state.tokens.curr.tail &&
- state.tokens.curr.context === ctx) return true;
- var complete = (state.tokens.next.template && state.tokens.next.tail &&
- state.tokens.next.context === ctx);
- if (complete) advance();
- return complete || state.tokens.next.isUnclosed;
- }
- }
- /**
- * @param {Object} [options]
- * @param {token} [options.name] The identifier belonging to the function (if
- * any)
- * @param {boolean} [options.statement] The statement that triggered creation
- * of the current function.
- * @param {string} [options.type] If specified, either "generator" or "arrow"
- * @param {token} [options.loneArg] The argument to the function in cases
- * where it was defined using the
- * single-argument shorthand
- * @param {bool} [options.parsedOpening] Whether the opening parenthesis has
- * already been parsed
- * @param {token} [options.classExprBinding] Define a function with this
- * identifier in the new function's
- * scope, mimicking the bahavior of
- * class expression names within
- * the body of member functions.
- */
- function doFunction(options) {
- var f, token, name, statement, classExprBinding, isGenerator, isArrow, ignoreLoopFunc;
- var oldOption = state.option;
- var oldIgnored = state.ignored;
- if (options) {
- name = options.name;
- statement = options.statement;
- classExprBinding = options.classExprBinding;
- isGenerator = options.type === "generator";
- isArrow = options.type === "arrow";
- ignoreLoopFunc = options.ignoreLoopFunc;
- }
- state.option = Object.create(state.option);
- state.ignored = Object.create(state.ignored);
- state.funct = functor(name || state.nameStack.infer(), state.tokens.next, {
- "(statement)": statement,
- "(context)": state.funct,
- "(arrow)": isArrow,
- "(generator)": isGenerator
- });
- f = state.funct;
- token = state.tokens.curr;
- token.funct = state.funct;
- functions.push(state.funct);
- // So that the function is available to itself and referencing itself is not
- // seen as a closure, add the function name to a new scope, but do not
- // test for unused (unused: false)
- // it is a new block scope so that params can override it, it can be block scoped
- // but declarations inside the function don't cause already declared error
- state.funct["(scope)"].stack("functionouter");
- var internallyAccessibleName = name || classExprBinding;
- if (internallyAccessibleName) {
- state.funct["(scope)"].block.add(internallyAccessibleName,
- classExprBinding ? "class" : "function", state.tokens.curr, false);
- }
- // create the param scope (params added in functionparams)
- state.funct["(scope)"].stack("functionparams");
- var paramsInfo = functionparams(options);
- if (paramsInfo) {
- state.funct["(params)"] = paramsInfo.params;
- state.funct["(metrics)"].arity = paramsInfo.arity;
- state.funct["(metrics)"].verifyMaxParametersPerFunction();
- } else {
- state.funct["(metrics)"].arity = 0;
- }
- if (isArrow) {
- if (!state.inES6(true)) {
- warning("W119", state.tokens.curr, "arrow function syntax (=>)", "6");
- }
- if (!options.loneArg) {
- advance("=>");
- }
- }
- block(false, true, true, isArrow);
- if (!state.option.noyield && isGenerator &&
- state.funct["(generator)"] !== "yielded") {
- warning("W124", state.tokens.curr);
- }
- state.funct["(metrics)"].verifyMaxStatementsPerFunction();
- state.funct["(metrics)"].verifyMaxComplexityPerFunction();
- state.funct["(unusedOption)"] = state.option.unused;
- state.option = oldOption;
- state.ignored = oldIgnored;
- state.funct["(last)"] = state.tokens.curr.line;
- state.funct["(lastcharacter)"] = state.tokens.curr.character;
- // unstack the params scope
- state.funct["(scope)"].unstack(); // also does usage and label checks
- // unstack the function outer stack
- state.funct["(scope)"].unstack();
- state.funct = state.funct["(context)"];
- if (!ignoreLoopFunc && !state.option.loopfunc && state.funct["(loopage)"]) {
- // If the function we just parsed accesses any non-local variables
- // trigger a warning. Otherwise, the function is safe even within
- // a loop.
- if (f["(isCapturing)"]) {
- warning("W083", token);
- }
- }
- return f;
- }
- function createMetrics(functionStartToken) {
- return {
- statementCount: 0,
- nestedBlockDepth: -1,
- ComplexityCount: 1,
- arity: 0,
- verifyMaxStatementsPerFunction: function() {
- if (state.option.maxstatements &&
- this.statementCount > state.option.maxstatements) {
- warning("W071", functionStartToken, this.statementCount);
- }
- },
- verifyMaxParametersPerFunction: function() {
- if (_.isNumber(state.option.maxparams) &&
- this.arity > state.option.maxparams) {
- warning("W072", functionStartToken, this.arity);
- }
- },
- verifyMaxNestedBlockDepthPerFunction: function() {
- if (state.option.maxdepth &&
- this.nestedBlockDepth > 0 &&
- this.nestedBlockDepth === state.option.maxdepth + 1) {
- warning("W073", null, this.nestedBlockDepth);
- }
- },
- verifyMaxComplexityPerFunction: function() {
- var max = state.option.maxcomplexity;
- var cc = this.ComplexityCount;
- if (max && cc > max) {
- warning("W074", functionStartToken, cc);
- }
- }
- };
- }
- function increaseComplexityCount() {
- state.funct["(metrics)"].ComplexityCount += 1;
- }
- // Parse assignments that were found instead of conditionals.
- // For example: if (a = 1) { ... }
- function checkCondAssignment(expr) {
- var id, paren;
- if (expr) {
- id = expr.id;
- paren = expr.paren;
- if (id === "," && (expr = expr.exprs[expr.exprs.length - 1])) {
- id = expr.id;
- paren = paren || expr.paren;
- }
- }
- switch (id) {
- case "=":
- case "+=":
- case "-=":
- case "*=":
- case "%=":
- case "&=":
- case "|=":
- case "^=":
- case "/=":
- if (!paren && !state.option.boss) {
- warning("W084");
- }
- }
- }
- /**
- * @param {object} props Collection of property descriptors for a given
- * object.
- */
- function checkProperties(props) {
- // Check for lonely setters if in the ES5 mode.
- if (state.inES5()) {
- for (var name in props) {
- if (props[name] && props[name].setterToken && !props[name].getterToken) {
- warning("W078", props[name].setterToken);
- }
- }
- }
- }
- function metaProperty(name, c) {
- if (checkPunctuator(state.tokens.next, ".")) {
- var left = state.tokens.curr.id;
- advance(".");
- var id = identifier();
- state.tokens.curr.isMetaProperty = true;
- if (name !== id) {
- error("E057", state.tokens.prev, left, id);
- } else {
- c();
- }
- return state.tokens.curr;
- }
- }
- (function(x) {
- x.nud = function() {
- var b, f, i, p, t, isGeneratorMethod = false, nextVal;
- var props = Object.create(null); // All properties, including accessors
- b = state.tokens.curr.line !== startLine(state.tokens.next);
- if (b) {
- indent += state.option.indent;
- if (state.tokens.next.from === indent + state.option.indent) {
- indent += state.option.indent;
- }
- }
- var blocktype = lookupBlockType();
- if (blocktype.isDestAssign) {
- this.destructAssign = destructuringPattern({ openingParsed: true, assignment: true });
- return this;
- }
- for (;;) {
- if (state.tokens.next.id === "}") {
- break;
- }
- nextVal = state.tokens.next.value;
- if (state.tokens.next.identifier &&
- (peekIgnoreEOL().id === "," || peekIgnoreEOL().id === "}")) {
- if (!state.inES6()) {
- warning("W104", state.tokens.next, "object short notation", "6");
- }
- i = propertyName(true);
- saveProperty(props, i, state.tokens.next);
- expression(10);
- } else if (peek().id !== ":" && (nextVal === "get" || nextVal === "set")) {
- advance(nextVal);
- if (!state.inES5()) {
- error("E034");
- }
- i = propertyName();
- // ES6 allows for get() {...} and set() {...} method
- // definition shorthand syntax, so we don't produce an error
- // if linting ECMAScript 6 code.
- if (!i && !state.inES6()) {
- error("E035");
- }
- // We don't want to save this getter unless it's an actual getter
- // and not an ES6 concise method
- if (i) {
- saveAccessor(nextVal, props, i, state.tokens.curr);
- }
- t = state.tokens.next;
- f = doFunction();
- p = f["(params)"];
- // Don't warn about getter/setter pairs if this is an ES6 concise method
- if (nextVal === "get" && i && p) {
- warning("W076", t, p[0], i);
- } else if (nextVal === "set" && i && (!p || p.length !== 1)) {
- warning("W077", t, i);
- }
- } else {
- if (state.tokens.next.value === "*" && state.tokens.next.type === "(punctuator)") {
- if (!state.inES6()) {
- warning("W104", state.tokens.next, "generator functions", "6");
- }
- advance("*");
- isGeneratorMethod = true;
- } else {
- isGeneratorMethod = false;
- }
- if (state.tokens.next.id === "[") {
- i = computedPropertyName();
- state.nameStack.set(i);
- } else {
- state.nameStack.set(state.tokens.next);
- i = propertyName();
- saveProperty(props, i, state.tokens.next);
- if (typeof i !== "string") {
- break;
- }
- }
- if (state.tokens.next.value === "(") {
- if (!state.inES6()) {
- warning("W104", state.tokens.curr, "concise methods", "6");
- }
- doFunction({ type: isGeneratorMethod ? "generator" : null });
- } else {
- advance(":");
- expression(10);
- }
- }
- countMember(i);
- if (state.tokens.next.id === ",") {
- comma({ allowTrailing: true, property: true });
- if (state.tokens.next.id === ",") {
- warning("W070", state.tokens.curr);
- } else if (state.tokens.next.id === "}" && !state.inES5()) {
- warning("W070", state.tokens.curr);
- }
- } else {
- break;
- }
- }
- if (b) {
- indent -= state.option.indent;
- }
- advance("}", this);
- checkProperties(props);
- return this;
- };
- x.fud = function() {
- error("E036", state.tokens.curr);
- };
- }(delim("{")));
- function destructuringPattern(options) {
- var isAssignment = options && options.assignment;
- if (!state.inES6()) {
- warning("W104", state.tokens.curr,
- isAssignment ? "destructuring assignment" : "destructuring binding", "6");
- }
- return destructuringPatternRecursive(options);
- }
- function destructuringPatternRecursive(options) {
- var ids;
- var identifiers = [];
- var openingParsed = options && options.openingParsed;
- var isAssignment = options && options.assignment;
- var recursiveOptions = isAssignment ? { assignment: isAssignment } : null;
- var firstToken = openingParsed ? state.tokens.curr : state.tokens.next;
- var nextInnerDE = function() {
- var ident;
- if (checkPunctuators(state.tokens.next, ["[", "{"])) {
- ids = destructuringPatternRecursive(recursiveOptions);
- for (var id in ids) {
- id = ids[id];
- identifiers.push({ id: id.id, token: id.token });
- }
- } else if (checkPunctuator(state.tokens.next, ",")) {
- identifiers.push({ id: null, token: state.tokens.curr });
- } else if (checkPunctuator(state.tokens.next, "(")) {
- advance("(");
- nextInnerDE();
- advance(")");
- } else {
- var is_rest = checkPunctuator(state.tokens.next, "...");
- if (isAssignment) {
- var identifierToken = is_rest ? peek(0) : state.tokens.next;
- if (!identifierToken.identifier) {
- warning("E030", identifierToken, identifierToken.value);
- }
- var assignTarget = expression(155);
- if (assignTarget) {
- checkLeftSideAssign(assignTarget);
- // if the target was a simple identifier, add it to the list to return
- if (assignTarget.identifier) {
- ident = assignTarget.value;
- }
- }
- } else {
- ident = identifier();
- }
- if (ident) {
- identifiers.push({ id: ident, token: state.tokens.curr });
- }
- return is_rest;
- }
- return false;
- };
- var assignmentProperty = function() {
- var id;
- if (checkPunctuator(state.tokens.next, "[")) {
- advance("[");
- expression(10);
- advance("]");
- advance(":");
- nextInnerDE();
- } else if (state.tokens.next.id === "(string)" ||
- state.tokens.next.id === "(number)") {
- advance();
- advance(":");
- nextInnerDE();
- } else {
- // this id will either be the property name or the property name and the assigning identifier
- id = identifier();
- if (checkPunctuator(state.tokens.next, ":")) {
- advance(":");
- nextInnerDE();
- } else if (id) {
- // in this case we are assigning (not declaring), so check assignment
- if (isAssignment) {
- checkLeftSideAssign(state.tokens.curr);
- }
- identifiers.push({ id: id, token: state.tokens.curr });
- }
- }
- };
- if (checkPunctuator(firstToken, "[")) {
- if (!openingParsed) {
- advance("[");
- }
- if (checkPunctuator(state.tokens.next, "]")) {
- warning("W137", state.tokens.curr);
- }
- var element_after_rest = false;
- while (!checkPunctuator(state.tokens.next, "]")) {
- if (nextInnerDE() && !element_after_rest &&
- checkPunctuator(state.tokens.next, ",")) {
- warning("W130", state.tokens.next);
- element_after_rest = true;
- }
- if (checkPunctuator(state.tokens.next, "=")) {
- if (checkPunctuator(state.tokens.prev, "...")) {
- advance("]");
- } else {
- advance("=");
- }
- if (state.tokens.next.id === "undefined") {
- warning("W080", state.tokens.prev, state.tokens.prev.value);
- }
- expression(10);
- }
- if (!checkPunctuator(state.tokens.next, "]")) {
- advance(",");
- }
- }
- advance("]");
- } else if (checkPunctuator(firstToken, "{")) {
- if (!openingParsed) {
- advance("{");
- }
- if (checkPunctuator(state.tokens.next, "}")) {
- warning("W137", state.tokens.curr);
- }
- while (!checkPunctuator(state.tokens.next, "}")) {
- assignmentProperty();
- if (checkPunctuator(state.tokens.next, "=")) {
- advance("=");
- if (state.tokens.next.id === "undefined") {
- warning("W080", state.tokens.prev, state.tokens.prev.value);
- }
- expression(10);
- }
- if (!checkPunctuator(state.tokens.next, "}")) {
- advance(",");
- if (checkPunctuator(state.tokens.next, "}")) {
- // Trailing comma
- // ObjectBindingPattern: { BindingPropertyList , }
- break;
- }
- }
- }
- advance("}");
- }
- return identifiers;
- }
- function destructuringPatternMatch(tokens, value) {
- var first = value.first;
- if (!first)
- return;
- _.zip(tokens, Array.isArray(first) ? first : [ first ]).forEach(function(val) {
- var token = val[0];
- var value = val[1];
- if (token && value)
- token.first = value;
- else if (token && token.first && !value)
- warning("W080", token.first, token.first.value);
- });
- }
- function blockVariableStatement(type, statement, context) {
- // used for both let and const statements
- var prefix = context && context.prefix;
- var inexport = context && context.inexport;
- var isLet = type === "let";
- var isConst = type === "const";
- var tokens, lone, value, letblock;
- if (!state.inES6()) {
- warning("W104", state.tokens.curr, type, "6");
- }
- if (isLet && state.tokens.next.value === "(") {
- if (!state.inMoz()) {
- warning("W118", state.tokens.next, "let block");
- }
- advance("(");
- state.funct["(scope)"].stack();
- letblock = true;
- } else if (state.funct["(noblockscopedvar)"]) {
- error("E048", state.tokens.curr, isConst ? "Const" : "Let");
- }
- statement.first = [];
- for (;;) {
- var names = [];
- if (_.contains(["{", "["], state.tokens.next.value)) {
- tokens = destructuringPattern();
- lone = false;
- } else {
- tokens = [ { id: identifier(), token: state.tokens.curr } ];
- lone = true;
- }
- if (!prefix && isConst && state.tokens.next.id !== "=") {
- warning("E012", state.tokens.curr, state.tokens.curr.value);
- }
- for (var t in tokens) {
- if (tokens.hasOwnProperty(t)) {
- t = tokens[t];
- if (state.funct["(scope)"].block.isGlobal()) {
- if (predefined[t.id] === false) {
- warning("W079", t.token, t.id);
- }
- }
- if (t.id && !state.funct["(noblockscopedvar)"]) {
- state.funct["(scope)"].addlabel(t.id, {
- type: type,
- token: t.token });
- names.push(t.token);
- if (lone && inexport) {
- state.funct["(scope)"].setExported(t.token.value, t.token);
- }
- }
- }
- }
- if (state.tokens.next.id === "=") {
- advance("=");
- if (!prefix && state.tokens.next.id === "undefined") {
- warning("W080", state.tokens.prev, state.tokens.prev.value);
- }
- if (!prefix && peek(0).id === "=" && state.tokens.next.identifier) {
- warning("W120", state.tokens.next, state.tokens.next.value);
- }
- // don't accept `in` in expression if prefix is used for ForIn/Of loop.
- value = expression(prefix ? 120 : 10);
- if (lone) {
- tokens[0].first = value;
- } else {
- destructuringPatternMatch(names, value);
- }
- }
- statement.first = statement.first.concat(names);
- if (state.tokens.next.id !== ",") {
- break;
- }
- comma();
- }
- if (letblock) {
- advance(")");
- block(true, true);
- statement.block = true;
- state.funct["(scope)"].unstack();
- }
- return statement;
- }
- var conststatement = stmt("const", function(context) {
- return blockVariableStatement("const", this, context);
- });
- conststatement.exps = true;
- var letstatement = stmt("let", function(context) {
- return blockVariableStatement("let", this, context);
- });
- letstatement.exps = true;
- var varstatement = stmt("var", function(context) {
- var prefix = context && context.prefix;
- var inexport = context && context.inexport;
- var tokens, lone, value;
- // If the `implied` option is set, bindings are set differently.
- var implied = context && context.implied;
- var report = !(context && context.ignore);
- this.first = [];
- for (;;) {
- var names = [];
- if (_.contains(["{", "["], state.tokens.next.value)) {
- tokens = destructuringPattern();
- lone = false;
- } else {
- tokens = [ { id: identifier(), token: state.tokens.curr } ];
- lone = true;
- }
- if (!(prefix && implied) && report && state.option.varstmt) {
- warning("W132", this);
- }
- this.first = this.first.concat(names);
- for (var t in tokens) {
- if (tokens.hasOwnProperty(t)) {
- t = tokens[t];
- if (!implied && state.funct["(global)"]) {
- if (predefined[t.id] === false) {
- warning("W079", t.token, t.id);
- } else if (state.option.futurehostile === false) {
- if ((!state.inES5() && vars.ecmaIdentifiers[5][t.id] === false) ||
- (!state.inES6() && vars.ecmaIdentifiers[6][t.id] === false)) {
- warning("W129", t.token, t.id);
- }
- }
- }
- if (t.id) {
- if (implied === "for") {
- if (!state.funct["(scope)"].has(t.id)) {
- if (report) warning("W088", t.token, t.id);
- }
- state.funct["(scope)"].block.use(t.id, t.token);
- } else {
- state.funct["(scope)"].addlabel(t.id, {
- type: "var",
- token: t.token });
- if (lone && inexport) {
- state.funct["(scope)"].setExported(t.id, t.token);
- }
- }
- names.push(t.token);
- }
- }
- }
- if (state.tokens.next.id === "=") {
- state.nameStack.set(state.tokens.curr);
- advance("=");
- if (!prefix && report && !state.funct["(loopage)"] &&
- state.tokens.next.id === "undefined") {
- warning("W080", state.tokens.prev, state.tokens.prev.value);
- }
- if (peek(0).id === "=" && state.tokens.next.identifier) {
- if (!prefix && report &&
- !state.funct["(params)"] ||
- state.funct["(params)"].indexOf(state.tokens.next.value) === -1) {
- warning("W120", state.tokens.next, state.tokens.next.value);
- }
- }
- // don't accept `in` in expression if prefix is used for ForIn/Of loop.
- value = expression(prefix ? 120 : 10);
- if (lone) {
- tokens[0].first = value;
- } else {
- destructuringPatternMatch(names, value);
- }
- }
- if (state.tokens.next.id !== ",") {
- break;
- }
- comma();
- }
- return this;
- });
- varstatement.exps = true;
- blockstmt("class", function() {
- return classdef.call(this, true);
- });
- function classdef(isStatement) {
- /*jshint validthis:true */
- if (!state.inES6()) {
- warning("W104", state.tokens.curr, "class", "6");
- }
- if (isStatement) {
- // BindingIdentifier
- this.name = identifier();
- state.funct["(scope)"].addlabel(this.name, {
- type: "class",
- token: state.tokens.curr });
- } else if (state.tokens.next.identifier && state.tokens.next.value !== "extends") {
- // BindingIdentifier(opt)
- this.name = identifier();
- this.namedExpr = true;
- } else {
- this.name = state.nameStack.infer();
- }
- classtail(this);
- return this;
- }
- function classtail(c) {
- var wasInClassBody = state.inClassBody;
- // ClassHeritage(opt)
- if (state.tokens.next.value === "extends") {
- advance("extends");
- c.heritage = expression(10);
- }
- state.inClassBody = true;
- advance("{");
- // ClassBody(opt)
- c.body = classbody(c);
- advance("}");
- state.inClassBody = wasInClassBody;
- }
- function classbody(c) {
- var name;
- var isStatic;
- var isGenerator;
- var getset;
- var props = Object.create(null);
- var staticProps = Object.create(null);
- var computed;
- for (var i = 0; state.tokens.next.id !== "}"; ++i) {
- name = state.tokens.next;
- isStatic = false;
- isGenerator = false;
- getset = null;
- // The ES6 grammar for ClassElement includes the `;` token, but it is
- // defined only as a placeholder to facilitate future language
- // extensions. In ES6 code, it serves no purpose.
- if (name.id === ";") {
- warning("W032");
- advance(";");
- continue;
- }
- if (name.id === "*") {
- isGenerator = true;
- advance("*");
- name = state.tokens.next;
- }
- if (name.id === "[") {
- name = computedPropertyName();
- computed = true;
- } else if (isPropertyName(name)) {
- // Non-Computed PropertyName
- advance();
- computed = false;
- if (name.identifier && name.value === "static") {
- if (checkPunctuator(state.tokens.next, "*")) {
- isGenerator = true;
- advance("*");
- }
- if (isPropertyName(state.tokens.next) || state.tokens.next.id === "[") {
- computed = state.tokens.next.id === "[";
- isStatic = true;
- name = state.tokens.next;
- if (state.tokens.next.id === "[") {
- name = computedPropertyName();
- } else advance();
- }
- }
- if (name.identifier && (name.value === "get" || name.value === "set")) {
- if (isPropertyName(state.tokens.next) || state.tokens.next.id === "[") {
- computed = state.tokens.next.id === "[";
- getset = name;
- name = state.tokens.next;
- if (state.tokens.next.id === "[") {
- name = computedPropertyName();
- } else advance();
- }
- }
- } else {
- warning("W052", state.tokens.next, state.tokens.next.value || state.tokens.next.type);
- advance();
- continue;
- }
- if (!checkPunctuator(state.tokens.next, "(")) {
- // error --- class properties must be methods
- error("E054", state.tokens.next, state.tokens.next.value);
- while (state.tokens.next.id !== "}" &&
- !checkPunctuator(state.tokens.next, "(")) {
- advance();
- }
- if (state.tokens.next.value !== "(") {
- doFunction({ statement: c });
- }
- }
- if (!computed) {
- // We don't know how to determine if we have duplicate computed property names :(
- if (getset) {
- saveAccessor(
- getset.value, isStatic ? staticProps : props, name.value, name, true, isStatic);
- } else {
- if (name.value === "constructor") {
- state.nameStack.set(c);
- } else {
- state.nameStack.set(name);
- }
- saveProperty(isStatic ? staticProps : props, name.value, name, true, isStatic);
- }
- }
- if (getset && name.value === "constructor") {
- var propDesc = getset.value === "get" ? "class getter method" : "class setter method";
- error("E049", name, propDesc, "constructor");
- } else if (name.value === "prototype") {
- error("E049", name, "class method", "prototype");
- }
- propertyName(name);
- doFunction({
- statement: c,
- type: isGenerator ? "generator" : null,
- classExprBinding: c.namedExpr ? c.name : null
- });
- }
- checkProperties(props);
- }
- blockstmt("function", function(context) {
- var inexport = context && context.inexport;
- var generator = false;
- if (state.tokens.next.value === "*") {
- advance("*");
- if (state.inES6({ strict: true })) {
- generator = true;
- } else {
- warning("W119", state.tokens.curr, "function*", "6");
- }
- }
- if (inblock) {
- warning("W082", state.tokens.curr);
- }
- var i = optionalidentifier();
- state.funct["(scope)"].addlabel(i, {
- type: "function",
- token: state.tokens.curr });
- if (i === undefined) {
- warning("W025");
- } else if (inexport) {
- state.funct["(scope)"].setExported(i, state.tokens.prev);
- }
- doFunction({
- name: i,
- statement: this,
- type: generator ? "generator" : null,
- ignoreLoopFunc: inblock // a declaration may already have warned
- });
- if (state.tokens.next.id === "(" && state.tokens.next.line === state.tokens.curr.line) {
- error("E039");
- }
- return this;
- });
- prefix("function", function() {
- var generator = false;
- if (state.tokens.next.value === "*") {
- if (!state.inES6()) {
- warning("W119", state.tokens.curr, "function*", "6");
- }
- advance("*");
- generator = true;
- }
- var i = optionalidentifier();
- doFunction({ name: i, type: generator ? "generator" : null });
- return this;
- });
- blockstmt("if", function() {
- var t = state.tokens.next;
- increaseComplexityCount();
- state.condition = true;
- advance("(");
- var expr = expression(0);
- checkCondAssignment(expr);
- // When the if is within a for-in loop, check if the condition
- // starts with a negation operator
- var forinifcheck = null;
- if (state.option.forin && state.forinifcheckneeded) {
- state.forinifcheckneeded = false; // We only need to analyze the first if inside the loop
- forinifcheck = state.forinifchecks[state.forinifchecks.length - 1];
- if (expr.type === "(punctuator)" && expr.value === "!") {
- forinifcheck.type = "(negative)";
- } else {
- forinifcheck.type = "(positive)";
- }
- }
- advance(")", t);
- state.condition = false;
- var s = block(true, true);
- // When the if is within a for-in loop and the condition has a negative form,
- // check if the body contains nothing but a continue statement
- if (forinifcheck && forinifcheck.type === "(negative)") {
- if (s && s[0] && s[0].type === "(identifier)" && s[0].value === "continue") {
- forinifcheck.type = "(negative-with-continue)";
- }
- }
- if (state.tokens.next.id === "else") {
- advance("else");
- if (state.tokens.next.id === "if" || state.tokens.next.id === "switch") {
- statement();
- } else {
- block(true, true);
- }
- }
- return this;
- });
- blockstmt("try", function() {
- var b;
- function doCatch() {
- advance("catch");
- advance("(");
- state.funct["(scope)"].stack("catchparams");
- if (checkPunctuators(state.tokens.next, ["[", "{"])) {
- var tokens = destructuringPattern();
- _.each(tokens, function(token) {
- if (token.id) {
- state.funct["(scope)"].addParam(token.id, token, "exception");
- }
- });
- } else if (state.tokens.next.type !== "(identifier)") {
- warning("E030", state.tokens.next, state.tokens.next.value);
- } else {
- // only advance if we have an identifier so we can continue parsing in the most common error - that no param is given.
- state.funct["(scope)"].addParam(identifier(), state.tokens.curr, "exception");
- }
- if (state.tokens.next.value === "if") {
- if (!state.inMoz()) {
- warning("W118", state.tokens.curr, "catch filter");
- }
- advance("if");
- expression(0);
- }
- advance(")");
- block(false);
- state.funct["(scope)"].unstack();
- }
- block(true);
- while (state.tokens.next.id === "catch") {
- increaseComplexityCount();
- if (b && (!state.inMoz())) {
- warning("W118", state.tokens.next, "multiple catch blocks");
- }
- doCatch();
- b = true;
- }
- if (state.tokens.next.id === "finally") {
- advance("finally");
- block(true);
- return;
- }
- if (!b) {
- error("E021", state.tokens.next, "catch", state.tokens.next.value);
- }
- return this;
- });
- blockstmt("while", function() {
- var t = state.tokens.next;
- state.funct["(breakage)"] += 1;
- state.funct["(loopage)"] += 1;
- increaseComplexityCount();
- advance("(");
- checkCondAssignment(expression(0));
- advance(")", t);
- block(true, true);
- state.funct["(breakage)"] -= 1;
- state.funct["(loopage)"] -= 1;
- return this;
- }).labelled = true;
- blockstmt("with", function() {
- var t = state.tokens.next;
- if (state.isStrict()) {
- error("E010", state.tokens.curr);
- } else if (!state.option.withstmt) {
- warning("W085", state.tokens.curr);
- }
- advance("(");
- expression(0);
- advance(")", t);
- block(true, true);
- return this;
- });
- blockstmt("switch", function() {
- var t = state.tokens.next;
- var g = false;
- var noindent = false;
- state.funct["(breakage)"] += 1;
- advance("(");
- checkCondAssignment(expression(0));
- advance(")", t);
- t = state.tokens.next;
- advance("{");
- if (state.tokens.next.from === indent)
- noindent = true;
- if (!noindent)
- indent += state.option.indent;
- this.cases = [];
- for (;;) {
- switch (state.tokens.next.id) {
- case "case":
- switch (state.funct["(verb)"]) {
- case "yield":
- case "break":
- case "case":
- case "continue":
- case "return":
- case "switch":
- case "throw":
- break;
- default:
- // You can tell JSHint that you don't use break intentionally by
- // adding a comment /* falls through */ on a line just before
- // the next `case`.
- if (!state.tokens.curr.caseFallsThrough) {
- warning("W086", state.tokens.curr, "case");
- }
- }
- advance("case");
- this.cases.push(expression(0));
- increaseComplexityCount();
- g = true;
- advance(":");
- state.funct["(verb)"] = "case";
- break;
- case "default":
- switch (state.funct["(verb)"]) {
- case "yield":
- case "break":
- case "continue":
- case "return":
- case "throw":
- break;
- default:
- // Do not display a warning if 'default' is the first statement or if
- // there is a special /* falls through */ comment.
- if (this.cases.length) {
- if (!state.tokens.curr.caseFallsThrough) {
- warning("W086", state.tokens.curr, "default");
- }
- }
- }
- advance("default");
- g = true;
- advance(":");
- break;
- case "}":
- if (!noindent)
- indent -= state.option.indent;
- advance("}", t);
- state.funct["(breakage)"] -= 1;
- state.funct["(verb)"] = undefined;
- return;
- case "(end)":
- error("E023", state.tokens.next, "}");
- return;
- default:
- indent += state.option.indent;
- if (g) {
- switch (state.tokens.curr.id) {
- case ",":
- error("E040");
- return;
- case ":":
- g = false;
- statements();
- break;
- default:
- error("E025", state.tokens.curr);
- return;
- }
- } else {
- if (state.tokens.curr.id === ":") {
- advance(":");
- error("E024", state.tokens.curr, ":");
- statements();
- } else {
- error("E021", state.tokens.next, "case", state.tokens.next.value);
- return;
- }
- }
- indent -= state.option.indent;
- }
- }
- return this;
- }).labelled = true;
- stmt("debugger", function() {
- if (!state.option.debug) {
- warning("W087", this);
- }
- return this;
- }).exps = true;
- (function() {
- var x = stmt("do", function() {
- state.funct["(breakage)"] += 1;
- state.funct["(loopage)"] += 1;
- increaseComplexityCount();
- this.first = block(true, true);
- advance("while");
- var t = state.tokens.next;
- advance("(");
- checkCondAssignment(expression(0));
- advance(")", t);
- state.funct["(breakage)"] -= 1;
- state.funct["(loopage)"] -= 1;
- return this;
- });
- x.labelled = true;
- x.exps = true;
- }());
- blockstmt("for", function() {
- var s, t = state.tokens.next;
- var letscope = false;
- var foreachtok = null;
- if (t.value === "each") {
- foreachtok = t;
- advance("each");
- if (!state.inMoz()) {
- warning("W118", state.tokens.curr, "for each");
- }
- }
- increaseComplexityCount();
- advance("(");
- // what kind of for(…) statement it is? for(…of…)? for(…in…)? for(…;…;…)?
- var nextop; // contains the token of the "in" or "of" operator
- var i = 0;
- var inof = ["in", "of"];
- var level = 0; // BindingPattern "level" --- level 0 === no BindingPattern
- var comma; // First comma punctuator at level 0
- var initializer; // First initializer at level 0
- // If initial token is a BindingPattern, count it as such.
- if (checkPunctuators(state.tokens.next, ["{", "["])) ++level;
- do {
- nextop = peek(i);
- ++i;
- if (checkPunctuators(nextop, ["{", "["])) ++level;
- else if (checkPunctuators(nextop, ["}", "]"])) --level;
- if (level < 0) break;
- if (level === 0) {
- if (!comma && checkPunctuator(nextop, ",")) comma = nextop;
- else if (!initializer && checkPunctuator(nextop, "=")) initializer = nextop;
- }
- } while (level > 0 || !_.contains(inof, nextop.value) && nextop.value !== ";" &&
- nextop.type !== "(end)"); // Is this a JSCS bug? This looks really weird.
- // if we're in a for (… in|of …) statement
- if (_.contains(inof, nextop.value)) {
- if (!state.inES6() && nextop.value === "of") {
- warning("W104", nextop, "for of", "6");
- }
- var ok = !(initializer || comma);
- if (initializer) {
- error("W133", comma, nextop.value, "initializer is forbidden");
- }
- if (comma) {
- error("W133", comma, nextop.value, "more than one ForBinding");
- }
- if (state.tokens.next.id === "var") {
- advance("var");
- state.tokens.curr.fud({ prefix: true });
- } else if (state.tokens.next.id === "let" || state.tokens.next.id === "const") {
- advance(state.tokens.next.id);
- // create a new block scope
- letscope = true;
- state.funct["(scope)"].stack();
- state.tokens.curr.fud({ prefix: true });
- } else {
- // Parse as a var statement, with implied bindings. Ignore errors if an error
- // was already reported
- Object.create(varstatement).fud({ prefix: true, implied: "for", ignore: !ok });
- }
- advance(nextop.value);
- expression(20);
- advance(")", t);
- if (nextop.value === "in" && state.option.forin) {
- state.forinifcheckneeded = true;
- if (state.forinifchecks === undefined) {
- state.forinifchecks = [];
- }
- // Push a new for-in-if check onto the stack. The type will be modified
- // when the loop's body is parsed and a suitable if statement exists.
- state.forinifchecks.push({
- type: "(none)"
- });
- }
- state.funct["(breakage)"] += 1;
- state.funct["(loopage)"] += 1;
- s = block(true, true);
- if (nextop.value === "in" && state.option.forin) {
- if (state.forinifchecks && state.forinifchecks.length > 0) {
- var check = state.forinifchecks.pop();
- if (// No if statement or not the first statement in loop body
- s && s.length > 0 && (typeof s[0] !== "object" || s[0].value !== "if") ||
- // Positive if statement is not the only one in loop body
- check.type === "(positive)" && s.length > 1 ||
- // Negative if statement but no continue
- check.type === "(negative)") {
- warning("W089", this);
- }
- }
- // Reset the flag in case no if statement was contained in the loop body
- state.forinifcheckneeded = false;
- }
- state.funct["(breakage)"] -= 1;
- state.funct["(loopage)"] -= 1;
- } else {
- if (foreachtok) {
- error("E045", foreachtok);
- }
- if (state.tokens.next.id !== ";") {
- if (state.tokens.next.id === "var") {
- advance("var");
- state.tokens.curr.fud();
- } else if (state.tokens.next.id === "let") {
- advance("let");
- // create a new block scope
- letscope = true;
- state.funct["(scope)"].stack();
- state.tokens.curr.fud();
- } else {
- for (;;) {
- expression(0, "for");
- if (state.tokens.next.id !== ",") {
- break;
- }
- comma();
- }
- }
- }
- nolinebreak(state.tokens.curr);
- advance(";");
- // start loopage after the first ; as the next two expressions are executed
- // on every loop
- state.funct["(loopage)"] += 1;
- if (state.tokens.next.id !== ";") {
- checkCondAssignment(expression(0));
- }
- nolinebreak(state.tokens.curr);
- advance(";");
- if (state.tokens.next.id === ";") {
- error("E021", state.tokens.next, ")", ";");
- }
- if (state.tokens.next.id !== ")") {
- for (;;) {
- expression(0, "for");
- if (state.tokens.next.id !== ",") {
- break;
- }
- comma();
- }
- }
- advance(")", t);
- state.funct["(breakage)"] += 1;
- block(true, true);
- state.funct["(breakage)"] -= 1;
- state.funct["(loopage)"] -= 1;
- }
- // unstack loop blockscope
- if (letscope) {
- state.funct["(scope)"].unstack();
- }
- return this;
- }).labelled = true;
- stmt("break", function() {
- var v = state.tokens.next.value;
- if (!state.option.asi)
- nolinebreak(this);
- if (state.tokens.next.id !== ";" && !state.tokens.next.reach &&
- state.tokens.curr.line === startLine(state.tokens.next)) {
- if (!state.funct["(scope)"].funct.hasBreakLabel(v)) {
- warning("W090", state.tokens.next, v);
- }
- this.first = state.tokens.next;
- advance();
- } else {
- if (state.funct["(breakage)"] === 0)
- warning("W052", state.tokens.next, this.value);
- }
- reachable(this);
- return this;
- }).exps = true;
- stmt("continue", function() {
- var v = state.tokens.next.value;
- if (state.funct["(breakage)"] === 0)
- warning("W052", state.tokens.next, this.value);
- if (!state.funct["(loopage)"])
- warning("W052", state.tokens.next, this.value);
- if (!state.option.asi)
- nolinebreak(this);
- if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
- if (state.tokens.curr.line === startLine(state.tokens.next)) {
- if (!state.funct["(scope)"].funct.hasBreakLabel(v)) {
- warning("W090", state.tokens.next, v);
- }
- this.first = state.tokens.next;
- advance();
- }
- }
- reachable(this);
- return this;
- }).exps = true;
- stmt("return", function() {
- if (this.line === startLine(state.tokens.next)) {
- if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
- this.first = expression(0);
- if (this.first &&
- this.first.type === "(punctuator)" && this.first.value === "=" &&
- !this.first.paren && !state.option.boss) {
- warningAt("W093", this.first.line, this.first.character);
- }
- }
- } else {
- if (state.tokens.next.type === "(punctuator)" &&
- ["[", "{", "+", "-"].indexOf(state.tokens.next.value) > -1) {
- nolinebreak(this); // always warn (Line breaking error)
- }
- }
- reachable(this);
- return this;
- }).exps = true;
- (function(x) {
- x.exps = true;
- x.lbp = 25;
- }(prefix("yield", function() {
- var prev = state.tokens.prev;
- if (state.inES6(true) && !state.funct["(generator)"]) {
- // If it's a yield within a catch clause inside a generator then that's ok
- if (!("(catch)" === state.funct["(name)"] && state.funct["(context)"]["(generator)"])) {
- error("E046", state.tokens.curr, "yield");
- }
- } else if (!state.inES6()) {
- warning("W104", state.tokens.curr, "yield", "6");
- }
- state.funct["(generator)"] = "yielded";
- var delegatingYield = false;
- if (state.tokens.next.value === "*") {
- delegatingYield = true;
- advance("*");
- }
- if (this.line === startLine(state.tokens.next) || !state.inMoz()) {
- if (delegatingYield ||
- (state.tokens.next.id !== ";" && !state.option.asi &&
- !state.tokens.next.reach && state.tokens.next.nud)) {
- nobreaknonadjacent(state.tokens.curr, state.tokens.next);
- this.first = expression(10);
- if (this.first.type === "(punctuator)" && this.first.value === "=" &&
- !this.first.paren && !state.option.boss) {
- warningAt("W093", this.first.line, this.first.character);
- }
- }
- if (state.inMoz() && state.tokens.next.id !== ")" &&
- (prev.lbp > 30 || (!prev.assign && !isEndOfExpr()) || prev.id === "yield")) {
- error("E050", this);
- }
- } else if (!state.option.asi) {
- nolinebreak(this); // always warn (Line breaking error)
- }
- return this;
- })));
- stmt("throw", function() {
- nolinebreak(this);
- this.first = expression(20);
- reachable(this);
- return this;
- }).exps = true;
- stmt("import", function() {
- if (!state.inES6()) {
- warning("W119", state.tokens.curr, "import", "6");
- }
- if (state.tokens.next.type === "(string)") {
- // ModuleSpecifier :: StringLiteral
- advance("(string)");
- return this;
- }
- if (state.tokens.next.identifier) {
- // ImportClause :: ImportedDefaultBinding
- this.name = identifier();
- // Import bindings are immutable (see ES6 8.1.1.5.5)
- state.funct["(scope)"].addlabel(this.name, {
- type: "const",
- token: state.tokens.curr });
- if (state.tokens.next.value === ",") {
- // ImportClause :: ImportedDefaultBinding , NameSpaceImport
- // ImportClause :: ImportedDefaultBinding , NamedImports
- advance(",");
- // At this point, we intentionally fall through to continue matching
- // either NameSpaceImport or NamedImports.
- // Discussion:
- // https://github.com/jshint/jshint/pull/2144#discussion_r23978406
- } else {
- advance("from");
- advance("(string)");
- return this;
- }
- }
- if (state.tokens.next.id === "*") {
- // ImportClause :: NameSpaceImport
- advance("*");
- advance("as");
- if (state.tokens.next.identifier) {
- this.name = identifier();
- // Import bindings are immutable (see ES6 8.1.1.5.5)
- state.funct["(scope)"].addlabel(this.name, {
- type: "const",
- token: state.tokens.curr });
- }
- } else {
- // ImportClause :: NamedImports
- advance("{");
- for (;;) {
- if (state.tokens.next.value === "}") {
- advance("}");
- break;
- }
- var importName;
- if (state.tokens.next.type === "default") {
- importName = "default";
- advance("default");
- } else {
- importName = identifier();
- }
- if (state.tokens.next.value === "as") {
- advance("as");
- importName = identifier();
- }
- // Import bindings are immutable (see ES6 8.1.1.5.5)
- state.funct["(scope)"].addlabel(importName, {
- type: "const",
- token: state.tokens.curr });
- if (state.tokens.next.value === ",") {
- advance(",");
- } else if (state.tokens.next.value === "}") {
- advance("}");
- break;
- } else {
- error("E024", state.tokens.next, state.tokens.next.value);
- break;
- }
- }
- }
- // FromClause
- advance("from");
- advance("(string)");
- return this;
- }).exps = true;
- stmt("export", function() {
- var ok = true;
- var token;
- var identifier;
- if (!state.inES6()) {
- warning("W119", state.tokens.curr, "export", "6");
- ok = false;
- }
- if (!state.funct["(scope)"].block.isGlobal()) {
- error("E053", state.tokens.curr);
- ok = false;
- }
- if (state.tokens.next.value === "*") {
- // ExportDeclaration :: export * FromClause
- advance("*");
- advance("from");
- advance("(string)");
- return this;
- }
- if (state.tokens.next.type === "default") {
- // ExportDeclaration ::
- // export default [lookahead { function, class }] AssignmentExpression[In] ;
- // export default HoistableDeclaration
- // export default ClassDeclaration
- state.nameStack.set(state.tokens.next);
- advance("default");
- var exportType = state.tokens.next.id;
- if (exportType === "function" || exportType === "class") {
- this.block = true;
- }
- token = peek();
- expression(10);
- identifier = token.value;
- if (this.block) {
- state.funct["(scope)"].addlabel(identifier, {
- type: exportType,
- token: token });
- state.funct["(scope)"].setExported(identifier, token);
- }
- return this;
- }
- if (state.tokens.next.value === "{") {
- // ExportDeclaration :: export ExportClause
- advance("{");
- var exportedTokens = [];
- for (;;) {
- if (!state.tokens.next.identifier) {
- error("E030", state.tokens.next, state.tokens.next.value);
- }
- advance();
- exportedTokens.push(state.tokens.curr);
- if (state.tokens.next.value === "as") {
- advance("as");
- if (!state.tokens.next.identifier) {
- error("E030", state.tokens.next, state.tokens.next.value);
- }
- advance();
- }
- if (state.tokens.next.value === ",") {
- advance(",");
- } else if (state.tokens.next.value === "}") {
- advance("}");
- break;
- } else {
- error("E024", state.tokens.next, state.tokens.next.value);
- break;
- }
- }
- if (state.tokens.next.value === "from") {
- // ExportDeclaration :: export ExportClause FromClause
- advance("from");
- advance("(string)");
- } else if (ok) {
- exportedTokens.forEach(function(token) {
- state.funct["(scope)"].setExported(token.value, token);
- });
- }
- return this;
- }
- if (state.tokens.next.id === "var") {
- // ExportDeclaration :: export VariableStatement
- advance("var");
- state.tokens.curr.fud({ inexport:true });
- } else if (state.tokens.next.id === "let") {
- // ExportDeclaration :: export VariableStatement
- advance("let");
- state.tokens.curr.fud({ inexport:true });
- } else if (state.tokens.next.id === "const") {
- // ExportDeclaration :: export VariableStatement
- advance("const");
- state.tokens.curr.fud({ inexport:true });
- } else if (state.tokens.next.id === "function") {
- // ExportDeclaration :: export Declaration
- this.block = true;
- advance("function");
- state.syntax["function"].fud({ inexport:true });
- } else if (state.tokens.next.id === "class") {
- // ExportDeclaration :: export Declaration
- this.block = true;
- advance("class");
- var classNameToken = state.tokens.next;
- state.syntax["class"].fud();
- state.funct["(scope)"].setExported(classNameToken.value, classNameToken);
- } else {
- error("E024", state.tokens.next, state.tokens.next.value);
- }
- return this;
- }).exps = true;
- // Future Reserved Words
- FutureReservedWord("abstract");
- FutureReservedWord("boolean");
- FutureReservedWord("byte");
- FutureReservedWord("char");
- FutureReservedWord("class", { es5: true, nud: classdef });
- FutureReservedWord("double");
- FutureReservedWord("enum", { es5: true });
- FutureReservedWord("export", { es5: true });
- FutureReservedWord("extends", { es5: true });
- FutureReservedWord("final");
- FutureReservedWord("float");
- FutureReservedWord("goto");
- FutureReservedWord("implements", { es5: true, strictOnly: true });
- FutureReservedWord("import", { es5: true });
- FutureReservedWord("int");
- FutureReservedWord("interface", { es5: true, strictOnly: true });
- FutureReservedWord("long");
- FutureReservedWord("native");
- FutureReservedWord("package", { es5: true, strictOnly: true });
- FutureReservedWord("private", { es5: true, strictOnly: true });
- FutureReservedWord("protected", { es5: true, strictOnly: true });
- FutureReservedWord("public", { es5: true, strictOnly: true });
- FutureReservedWord("short");
- FutureReservedWord("static", { es5: true, strictOnly: true });
- FutureReservedWord("super", { es5: true });
- FutureReservedWord("synchronized");
- FutureReservedWord("transient");
- FutureReservedWord("volatile");
- // this function is used to determine whether a squarebracket or a curlybracket
- // expression is a comprehension array, destructuring assignment or a json value.
- var lookupBlockType = function() {
- var pn, pn1, prev;
- var i = -1;
- var bracketStack = 0;
- var ret = {};
- if (checkPunctuators(state.tokens.curr, ["[", "{"])) {
- bracketStack += 1;
- }
- do {
- prev = i === -1 ? state.tokens.curr : pn;
- pn = i === -1 ? state.tokens.next : peek(i);
- pn1 = peek(i + 1);
- i = i + 1;
- if (checkPunctuators(pn, ["[", "{"])) {
- bracketStack += 1;
- } else if (checkPunctuators(pn, ["]", "}"])) {
- bracketStack -= 1;
- }
- if (bracketStack === 1 && pn.identifier && pn.value === "for" &&
- !checkPunctuator(prev, ".")) {
- ret.isCompArray = true;
- ret.notJson = true;
- break;
- }
- if (bracketStack === 0 && checkPunctuators(pn, ["}", "]"])) {
- if (pn1.value === "=") {
- ret.isDestAssign = true;
- ret.notJson = true;
- break;
- } else if (pn1.value === ".") {
- ret.notJson = true;
- break;
- }
- }
- if (checkPunctuator(pn, ";")) {
- ret.isBlock = true;
- ret.notJson = true;
- }
- } while (bracketStack > 0 && pn.id !== "(end)");
- return ret;
- };
- function saveProperty(props, name, tkn, isClass, isStatic) {
- var msg = ["key", "class method", "static class method"];
- msg = msg[(isClass || false) + (isStatic || false)];
- if (tkn.identifier) {
- name = tkn.value;
- }
- if (props[name] && name !== "__proto__") {
- warning("W075", state.tokens.next, msg, name);
- } else {
- props[name] = Object.create(null);
- }
- props[name].basic = true;
- props[name].basictkn = tkn;
- }
- /**
- * @param {string} accessorType - Either "get" or "set"
- * @param {object} props - a collection of all properties of the object to
- * which the current accessor is being assigned
- * @param {object} tkn - the identifier token representing the accessor name
- * @param {boolean} isClass - whether the accessor is part of an ES6 Class
- * definition
- * @param {boolean} isStatic - whether the accessor is a static method
- */
- function saveAccessor(accessorType, props, name, tkn, isClass, isStatic) {
- var flagName = accessorType === "get" ? "getterToken" : "setterToken";
- var msg = "";
- if (isClass) {
- if (isStatic) {
- msg += "static ";
- }
- msg += accessorType + "ter method";
- } else {
- msg = "key";
- }
- state.tokens.curr.accessorType = accessorType;
- state.nameStack.set(tkn);
- if (props[name]) {
- if ((props[name].basic || props[name][flagName]) && name !== "__proto__") {
- warning("W075", state.tokens.next, msg, name);
- }
- } else {
- props[name] = Object.create(null);
- }
- props[name][flagName] = tkn;
- }
- function computedPropertyName() {
- advance("[");
- if (!state.inES6()) {
- warning("W119", state.tokens.curr, "computed property names", "6");
- }
- var value = expression(10);
- advance("]");
- return value;
- }
- /**
- * Test whether a given token is a punctuator matching one of the specified values
- * @param {Token} token
- * @param {Array.<string>} values
- * @returns {boolean}
- */
- function checkPunctuators(token, values) {
- if (token.type === "(punctuator)") {
- return _.contains(values, token.value);
- }
- return false;
- }
- /**
- * Test whether a given token is a punctuator matching the specified value
- * @param {Token} token
- * @param {string} value
- * @returns {boolean}
- */
- function checkPunctuator(token, value) {
- return token.type === "(punctuator)" && token.value === value;
- }
- // Check whether this function has been reached for a destructuring assign with undeclared values
- function destructuringAssignOrJsonValue() {
- // lookup for the assignment (ECMAScript 6 only)
- // if it has semicolons, it is a block, so go parse it as a block
- // or it's not a block, but there are assignments, check for undeclared variables
- var block = lookupBlockType();
- if (block.notJson) {
- if (!state.inES6() && block.isDestAssign) {
- warning("W104", state.tokens.curr, "destructuring assignment", "6");
- }
- statements();
- // otherwise parse json value
- } else {
- state.option.laxbreak = true;
- state.jsonMode = true;
- jsonValue();
- }
- }
- // array comprehension parsing function
- // parses and defines the three states of the list comprehension in order
- // to avoid defining global variables, but keeping them to the list comprehension scope
- // only. The order of the states are as follows:
- // * "use" which will be the returned iterative part of the list comprehension
- // * "define" which will define the variables local to the list comprehension
- // * "filter" which will help filter out values
- var arrayComprehension = function() {
- var CompArray = function() {
- this.mode = "use";
- this.variables = [];
- };
- var _carrays = [];
- var _current;
- function declare(v) {
- var l = _current.variables.filter(function(elt) {
- // if it has, change its undef state
- if (elt.value === v) {
- elt.undef = false;
- return v;
- }
- }).length;
- return l !== 0;
- }
- function use(v) {
- var l = _current.variables.filter(function(elt) {
- // and if it has been defined
- if (elt.value === v && !elt.undef) {
- if (elt.unused === true) {
- elt.unused = false;
- }
- return v;
- }
- }).length;
- // otherwise we warn about it
- return (l === 0);
- }
- return { stack: function() {
- _current = new CompArray();
- _carrays.push(_current);
- },
- unstack: function() {
- _current.variables.filter(function(v) {
- if (v.unused)
- warning("W098", v.token, v.raw_text || v.value);
- if (v.undef)
- state.funct["(scope)"].block.use(v.value, v.token);
- });
- _carrays.splice(-1, 1);
- _current = _carrays[_carrays.length - 1];
- },
- setState: function(s) {
- if (_.contains(["use", "define", "generate", "filter"], s))
- _current.mode = s;
- },
- check: function(v) {
- if (!_current) {
- return;
- }
- // When we are in "use" state of the list comp, we enqueue that var
- if (_current && _current.mode === "use") {
- if (use(v)) {
- _current.variables.push({
- funct: state.funct,
- token: state.tokens.curr,
- value: v,
- undef: true,
- unused: false
- });
- }
- return true;
- // When we are in "define" state of the list comp,
- } else if (_current && _current.mode === "define") {
- // check if the variable has been used previously
- if (!declare(v)) {
- _current.variables.push({
- funct: state.funct,
- token: state.tokens.curr,
- value: v,
- undef: false,
- unused: true
- });
- }
- return true;
- // When we are in the "generate" state of the list comp,
- } else if (_current && _current.mode === "generate") {
- state.funct["(scope)"].block.use(v, state.tokens.curr);
- return true;
- // When we are in "filter" state,
- } else if (_current && _current.mode === "filter") {
- // we check whether current variable has been declared
- if (use(v)) {
- // if not we warn about it
- state.funct["(scope)"].block.use(v, state.tokens.curr);
- }
- return true;
- }
- return false;
- }
- };
- };
- // Parse JSON
- function jsonValue() {
- function jsonObject() {
- var o = {}, t = state.tokens.next;
- advance("{");
- if (state.tokens.next.id !== "}") {
- for (;;) {
- if (state.tokens.next.id === "(end)") {
- error("E026", state.tokens.next, t.line);
- } else if (state.tokens.next.id === "}") {
- warning("W094", state.tokens.curr);
- break;
- } else if (state.tokens.next.id === ",") {
- error("E028", state.tokens.next);
- } else if (state.tokens.next.id !== "(string)") {
- warning("W095", state.tokens.next, state.tokens.next.value);
- }
- if (o[state.tokens.next.value] === true) {
- warning("W075", state.tokens.next, "key", state.tokens.next.value);
- } else if ((state.tokens.next.value === "__proto__" &&
- !state.option.proto) || (state.tokens.next.value === "__iterator__" &&
- !state.option.iterator)) {
- warning("W096", state.tokens.next, state.tokens.next.value);
- } else {
- o[state.tokens.next.value] = true;
- }
- advance();
- advance(":");
- jsonValue();
- if (state.tokens.next.id !== ",") {
- break;
- }
- advance(",");
- }
- }
- advance("}");
- }
- function jsonArray() {
- var t = state.tokens.next;
- advance("[");
- if (state.tokens.next.id !== "]") {
- for (;;) {
- if (state.tokens.next.id === "(end)") {
- error("E027", state.tokens.next, t.line);
- } else if (state.tokens.next.id === "]") {
- warning("W094", state.tokens.curr);
- break;
- } else if (state.tokens.next.id === ",") {
- error("E028", state.tokens.next);
- }
- jsonValue();
- if (state.tokens.next.id !== ",") {
- break;
- }
- advance(",");
- }
- }
- advance("]");
- }
- switch (state.tokens.next.id) {
- case "{":
- jsonObject();
- break;
- case "[":
- jsonArray();
- break;
- case "true":
- case "false":
- case "null":
- case "(number)":
- case "(string)":
- advance();
- break;
- case "-":
- advance("-");
- advance("(number)");
- break;
- default:
- error("E003", state.tokens.next);
- }
- }
- var escapeRegex = function(str) {
- return str.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&");
- };
- // The actual JSHINT function itself.
- var itself = function(s, o, g) {
- var i, k, x, reIgnoreStr, reIgnore;
- var optionKeys;
- var newOptionObj = {};
- var newIgnoredObj = {};
- o = _.clone(o);
- state.reset();
- if (o && o.scope) {
- JSHINT.scope = o.scope;
- } else {
- JSHINT.errors = [];
- JSHINT.undefs = [];
- JSHINT.internals = [];
- JSHINT.blacklist = {};
- JSHINT.scope = "(main)";
- }
- predefined = Object.create(null);
- combine(predefined, vars.ecmaIdentifiers[3]);
- combine(predefined, vars.reservedVars);
- combine(predefined, g || {});
- declared = Object.create(null);
- var exported = Object.create(null); // Variables that live outside the current file
- function each(obj, cb) {
- if (!obj)
- return;
- if (!Array.isArray(obj) && typeof obj === "object")
- obj = Object.keys(obj);
- obj.forEach(cb);
- }
- if (o) {
- each(o.predef || null, function(item) {
- var slice, prop;
- if (item[0] === "-") {
- slice = item.slice(1);
- JSHINT.blacklist[slice] = slice;
- // remove from predefined if there
- delete predefined[slice];
- } else {
- prop = Object.getOwnPropertyDescriptor(o.predef, item);
- predefined[item] = prop ? prop.value : false;
- }
- });
- each(o.exported || null, function(item) {
- exported[item] = true;
- });
- delete o.predef;
- delete o.exported;
- optionKeys = Object.keys(o);
- for (x = 0; x < optionKeys.length; x++) {
- if (/^-W\d{3}$/g.test(optionKeys[x])) {
- newIgnoredObj[optionKeys[x].slice(1)] = true;
- } else {
- var optionKey = optionKeys[x];
- newOptionObj[optionKey] = o[optionKey];
- if ((optionKey === "esversion" && o[optionKey] === 5) ||
- (optionKey === "es5" && o[optionKey])) {
- warning("I003");
- }
- if (optionKeys[x] === "newcap" && o[optionKey] === false)
- newOptionObj["(explicitNewcap)"] = true;
- }
- }
- }
- state.option = newOptionObj;
- state.ignored = newIgnoredObj;
- state.option.indent = state.option.indent || 4;
- state.option.maxerr = state.option.maxerr || 50;
- indent = 1;
- var scopeManagerInst = scopeManager(state, predefined, exported, declared);
- scopeManagerInst.on("warning", function(ev) {
- warning.apply(null, [ ev.code, ev.token].concat(ev.data));
- });
- scopeManagerInst.on("error", function(ev) {
- error.apply(null, [ ev.code, ev.token ].concat(ev.data));
- });
- state.funct = functor("(global)", null, {
- "(global)" : true,
- "(scope)" : scopeManagerInst,
- "(comparray)" : arrayComprehension(),
- "(metrics)" : createMetrics(state.tokens.next)
- });
- functions = [state.funct];
- urls = [];
- stack = null;
- member = {};
- membersOnly = null;
- inblock = false;
- lookahead = [];
- if (!isString(s) && !Array.isArray(s)) {
- errorAt("E004", 0);
- return false;
- }
- api = {
- get isJSON() {
- return state.jsonMode;
- },
- getOption: function(name) {
- return state.option[name] || null;
- },
- getCache: function(name) {
- return state.cache[name];
- },
- setCache: function(name, value) {
- state.cache[name] = value;
- },
- warn: function(code, data) {
- warningAt.apply(null, [ code, data.line, data.char ].concat(data.data));
- },
- on: function(names, listener) {
- names.split(" ").forEach(function(name) {
- emitter.on(name, listener);
- }.bind(this));
- }
- };
- emitter.removeAllListeners();
- (extraModules || []).forEach(function(func) {
- func(api);
- });
- state.tokens.prev = state.tokens.curr = state.tokens.next = state.syntax["(begin)"];
- if (o && o.ignoreDelimiters) {
- if (!Array.isArray(o.ignoreDelimiters)) {
- o.ignoreDelimiters = [o.ignoreDelimiters];
- }
- o.ignoreDelimiters.forEach(function(delimiterPair) {
- if (!delimiterPair.start || !delimiterPair.end)
- return;
- reIgnoreStr = escapeRegex(delimiterPair.start) +
- "[\\s\\S]*?" +
- escapeRegex(delimiterPair.end);
- reIgnore = new RegExp(reIgnoreStr, "ig");
- s = s.replace(reIgnore, function(match) {
- return match.replace(/./g, " ");
- });
- });
- }
- lex = new Lexer(s);
- lex.on("warning", function(ev) {
- warningAt.apply(null, [ ev.code, ev.line, ev.character].concat(ev.data));
- });
- lex.on("error", function(ev) {
- errorAt.apply(null, [ ev.code, ev.line, ev.character ].concat(ev.data));
- });
- lex.on("fatal", function(ev) {
- quit("E041", ev.line, ev.from);
- });
- lex.on("Identifier", function(ev) {
- emitter.emit("Identifier", ev);
- });
- lex.on("String", function(ev) {
- emitter.emit("String", ev);
- });
- lex.on("Number", function(ev) {
- emitter.emit("Number", ev);
- });
- lex.start();
- // Check options
- for (var name in o) {
- if (_.has(o, name)) {
- checkOption(name, state.tokens.curr);
- }
- }
- assume();
- // combine the passed globals after we've assumed all our options
- combine(predefined, g || {});
- //reset values
- comma.first = true;
- try {
- advance();
- switch (state.tokens.next.id) {
- case "{":
- case "[":
- destructuringAssignOrJsonValue();
- break;
- default:
- directives();
- if (state.directive["use strict"]) {
- if (state.option.strict !== "global") {
- warning("W097", state.tokens.prev);
- }
- }
- statements();
- }
- if (state.tokens.next.id !== "(end)") {
- quit("E041", state.tokens.curr.line);
- }
- state.funct["(scope)"].unstack();
- } catch (err) {
- if (err && err.name === "JSHintError") {
- var nt = state.tokens.next || {};
- JSHINT.errors.push({
- scope : "(main)",
- raw : err.raw,
- code : err.code,
- reason : err.message,
- line : err.line || nt.line,
- character : err.character || nt.from
- }, null);
- } else {
- throw err;
- }
- }
- // Loop over the listed "internals", and check them as well.
- if (JSHINT.scope === "(main)") {
- o = o || {};
- for (i = 0; i < JSHINT.internals.length; i += 1) {
- k = JSHINT.internals[i];
- o.scope = k.elem;
- itself(k.value, o, g);
- }
- }
- return JSHINT.errors.length === 0;
- };
- // Modules.
- itself.addModule = function(func) {
- extraModules.push(func);
- };
- itself.addModule(style.register);
- // Data summary.
- itself.data = function() {
- var data = {
- functions: [],
- options: state.option
- };
- var fu, f, i, j, n, globals;
- if (itself.errors.length) {
- data.errors = itself.errors;
- }
- if (state.jsonMode) {
- data.json = true;
- }
- var impliedGlobals = state.funct["(scope)"].getImpliedGlobals();
- if (impliedGlobals.length > 0) {
- data.implieds = impliedGlobals;
- }
- if (urls.length > 0) {
- data.urls = urls;
- }
- globals = state.funct["(scope)"].getUsedOrDefinedGlobals();
- if (globals.length > 0) {
- data.globals = globals;
- }
- for (i = 1; i < functions.length; i += 1) {
- f = functions[i];
- fu = {};
- for (j = 0; j < functionicity.length; j += 1) {
- fu[functionicity[j]] = [];
- }
- for (j = 0; j < functionicity.length; j += 1) {
- if (fu[functionicity[j]].length === 0) {
- delete fu[functionicity[j]];
- }
- }
- fu.name = f["(name)"];
- fu.param = f["(params)"];
- fu.line = f["(line)"];
- fu.character = f["(character)"];
- fu.last = f["(last)"];
- fu.lastcharacter = f["(lastcharacter)"];
- fu.metrics = {
- complexity: f["(metrics)"].ComplexityCount,
- parameters: f["(metrics)"].arity,
- statements: f["(metrics)"].statementCount
- };
- data.functions.push(fu);
- }
- var unuseds = state.funct["(scope)"].getUnuseds();
- if (unuseds.length > 0) {
- data.unused = unuseds;
- }
- for (n in member) {
- if (typeof member[n] === "number") {
- data.member = member;
- break;
- }
- }
- return data;
- };
- itself.jshint = itself;
- return itself;
- }());
- // Make JSHINT a Node module, if possible.
- if (typeof exports === "object" && exports) {
- exports.JSHINT = JSHINT;
- }
- },{"../lodash":"/node_modules/jshint/lodash.js","./lex.js":"/node_modules/jshint/src/lex.js","./messages.js":"/node_modules/jshint/src/messages.js","./options.js":"/node_modules/jshint/src/options.js","./reg.js":"/node_modules/jshint/src/reg.js","./scope-manager.js":"/node_modules/jshint/src/scope-manager.js","./state.js":"/node_modules/jshint/src/state.js","./style.js":"/node_modules/jshint/src/style.js","./vars.js":"/node_modules/jshint/src/vars.js","events":"/node_modules/browserify/node_modules/events/events.js"}],"/node_modules/jshint/src/lex.js":[function(_dereq_,module,exports){
- /*
- * Lexical analysis and token construction.
- */
- "use strict";
- var _ = _dereq_("../lodash");
- var events = _dereq_("events");
- var reg = _dereq_("./reg.js");
- var state = _dereq_("./state.js").state;
- var unicodeData = _dereq_("../data/ascii-identifier-data.js");
- var asciiIdentifierStartTable = unicodeData.asciiIdentifierStartTable;
- var asciiIdentifierPartTable = unicodeData.asciiIdentifierPartTable;
- // Some of these token types are from JavaScript Parser API
- // while others are specific to JSHint parser.
- // JS Parser API: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
- var Token = {
- Identifier: 1,
- Punctuator: 2,
- NumericLiteral: 3,
- StringLiteral: 4,
- Comment: 5,
- Keyword: 6,
- NullLiteral: 7,
- BooleanLiteral: 8,
- RegExp: 9,
- TemplateHead: 10,
- TemplateMiddle: 11,
- TemplateTail: 12,
- NoSubstTemplate: 13
- };
- var Context = {
- Block: 1,
- Template: 2
- };
- // Object that handles postponed lexing verifications that checks the parsed
- // environment state.
- function asyncTrigger() {
- var _checks = [];
- return {
- push: function(fn) {
- _checks.push(fn);
- },
- check: function() {
- for (var check = 0; check < _checks.length; ++check) {
- _checks[check]();
- }
- _checks.splice(0, _checks.length);
- }
- };
- }
- /*
- * Lexer for JSHint.
- *
- * This object does a char-by-char scan of the provided source code
- * and produces a sequence of tokens.
- *
- * var lex = new Lexer("var i = 0;");
- * lex.start();
- * lex.token(); // returns the next token
- *
- * You have to use the token() method to move the lexer forward
- * but you don't have to use its return value to get tokens. In addition
- * to token() method returning the next token, the Lexer object also
- * emits events.
- *
- * lex.on("Identifier", function(data) {
- * if (data.name.indexOf("_") >= 0) {
- * // Produce a warning.
- * }
- * });
- *
- * Note that the token() method returns tokens in a JSLint-compatible
- * format while the event emitter uses a slightly modified version of
- * Mozilla's JavaScript Parser API. Eventually, we will move away from
- * JSLint format.
- */
- function Lexer(source) {
- var lines = source;
- if (typeof lines === "string") {
- lines = lines
- .replace(/\r\n/g, "\n")
- .replace(/\r/g, "\n")
- .split("\n");
- }
- // If the first line is a shebang (#!), make it a blank and move on.
- // Shebangs are used by Node scripts.
- if (lines[0] && lines[0].substr(0, 2) === "#!") {
- if (lines[0].indexOf("node") !== -1) {
- state.option.node = true;
- }
- lines[0] = "";
- }
- this.emitter = new events.EventEmitter();
- this.source = source;
- this.setLines(lines);
- this.prereg = true;
- this.line = 0;
- this.char = 1;
- this.from = 1;
- this.input = "";
- this.inComment = false;
- this.context = [];
- this.templateStarts = [];
- for (var i = 0; i < state.option.indent; i += 1) {
- state.tab += " ";
- }
- // Blank out non-multi-line-commented lines when ignoring linter errors
- this.ignoreLinterErrors = false;
- }
- Lexer.prototype = {
- _lines: [],
- inContext: function(ctxType) {
- return this.context.length > 0 && this.context[this.context.length - 1].type === ctxType;
- },
- pushContext: function(ctxType) {
- this.context.push({ type: ctxType });
- },
- popContext: function() {
- return this.context.pop();
- },
- isContext: function(context) {
- return this.context.length > 0 && this.context[this.context.length - 1] === context;
- },
- currentContext: function() {
- return this.context.length > 0 && this.context[this.context.length - 1];
- },
- getLines: function() {
- this._lines = state.lines;
- return this._lines;
- },
- setLines: function(val) {
- this._lines = val;
- state.lines = this._lines;
- },
- /*
- * Return the next i character without actually moving the
- * char pointer.
- */
- peek: function(i) {
- return this.input.charAt(i || 0);
- },
- /*
- * Move the char pointer forward i times.
- */
- skip: function(i) {
- i = i || 1;
- this.char += i;
- this.input = this.input.slice(i);
- },
- /*
- * Subscribe to a token event. The API for this method is similar
- * Underscore.js i.e. you can subscribe to multiple events with
- * one call:
- *
- * lex.on("Identifier Number", function(data) {
- * // ...
- * });
- */
- on: function(names, listener) {
- names.split(" ").forEach(function(name) {
- this.emitter.on(name, listener);
- }.bind(this));
- },
- /*
- * Trigger a token event. All arguments will be passed to each
- * listener.
- */
- trigger: function() {
- this.emitter.emit.apply(this.emitter, Array.prototype.slice.call(arguments));
- },
- /*
- * Postpone a token event. the checking condition is set as
- * last parameter, and the trigger function is called in a
- * stored callback. To be later called using the check() function
- * by the parser. This avoids parser's peek() to give the lexer
- * a false context.
- */
- triggerAsync: function(type, args, checks, fn) {
- checks.push(function() {
- if (fn()) {
- this.trigger(type, args);
- }
- }.bind(this));
- },
- /*
- * Extract a punctuator out of the next sequence of characters
- * or return 'null' if its not possible.
- *
- * This method's implementation was heavily influenced by the
- * scanPunctuator function in the Esprima parser's source code.
- */
- scanPunctuator: function() {
- var ch1 = this.peek();
- var ch2, ch3, ch4;
- switch (ch1) {
- // Most common single-character punctuators
- case ".":
- if ((/^[0-9]$/).test(this.peek(1))) {
- return null;
- }
- if (this.peek(1) === "." && this.peek(2) === ".") {
- return {
- type: Token.Punctuator,
- value: "..."
- };
- }
- /* falls through */
- case "(":
- case ")":
- case ";":
- case ",":
- case "[":
- case "]":
- case ":":
- case "~":
- case "?":
- return {
- type: Token.Punctuator,
- value: ch1
- };
- // A block/object opener
- case "{":
- this.pushContext(Context.Block);
- return {
- type: Token.Punctuator,
- value: ch1
- };
- // A block/object closer
- case "}":
- if (this.inContext(Context.Block)) {
- this.popContext();
- }
- return {
- type: Token.Punctuator,
- value: ch1
- };
- // A pound sign (for Node shebangs)
- case "#":
- return {
- type: Token.Punctuator,
- value: ch1
- };
- // We're at the end of input
- case "":
- return null;
- }
- // Peek more characters
- ch2 = this.peek(1);
- ch3 = this.peek(2);
- ch4 = this.peek(3);
- // 4-character punctuator: >>>=
- if (ch1 === ">" && ch2 === ">" && ch3 === ">" && ch4 === "=") {
- return {
- type: Token.Punctuator,
- value: ">>>="
- };
- }
- // 3-character punctuators: === !== >>> <<= >>=
- if (ch1 === "=" && ch2 === "=" && ch3 === "=") {
- return {
- type: Token.Punctuator,
- value: "==="
- };
- }
- if (ch1 === "!" && ch2 === "=" && ch3 === "=") {
- return {
- type: Token.Punctuator,
- value: "!=="
- };
- }
- if (ch1 === ">" && ch2 === ">" && ch3 === ">") {
- return {
- type: Token.Punctuator,
- value: ">>>"
- };
- }
- if (ch1 === "<" && ch2 === "<" && ch3 === "=") {
- return {
- type: Token.Punctuator,
- value: "<<="
- };
- }
- if (ch1 === ">" && ch2 === ">" && ch3 === "=") {
- return {
- type: Token.Punctuator,
- value: ">>="
- };
- }
- // Fat arrow punctuator
- if (ch1 === "=" && ch2 === ">") {
- return {
- type: Token.Punctuator,
- value: ch1 + ch2
- };
- }
- // 2-character punctuators: <= >= == != ++ -- << >> && ||
- // += -= *= %= &= |= ^= (but not /=, see below)
- if (ch1 === ch2 && ("+-<>&|".indexOf(ch1) >= 0)) {
- return {
- type: Token.Punctuator,
- value: ch1 + ch2
- };
- }
- if ("<>=!+-*%&|^".indexOf(ch1) >= 0) {
- if (ch2 === "=") {
- return {
- type: Token.Punctuator,
- value: ch1 + ch2
- };
- }
- return {
- type: Token.Punctuator,
- value: ch1
- };
- }
- // Special case: /=.
- if (ch1 === "/") {
- if (ch2 === "=") {
- return {
- type: Token.Punctuator,
- value: "/="
- };
- }
- return {
- type: Token.Punctuator,
- value: "/"
- };
- }
- return null;
- },
- /*
- * Extract a comment out of the next sequence of characters and/or
- * lines or return 'null' if its not possible. Since comments can
- * span across multiple lines this method has to move the char
- * pointer.
- *
- * In addition to normal JavaScript comments (// and /*) this method
- * also recognizes JSHint- and JSLint-specific comments such as
- * /*jshint, /*jslint, /*globals and so on.
- */
- scanComments: function() {
- var ch1 = this.peek();
- var ch2 = this.peek(1);
- var rest = this.input.substr(2);
- var startLine = this.line;
- var startChar = this.char;
- var self = this;
- // Create a comment token object and make sure it
- // has all the data JSHint needs to work with special
- // comments.
- function commentToken(label, body, opt) {
- var special = ["jshint", "jslint", "members", "member", "globals", "global", "exported"];
- var isSpecial = false;
- var value = label + body;
- var commentType = "plain";
- opt = opt || {};
- if (opt.isMultiline) {
- value += "*/";
- }
- body = body.replace(/\n/g, " ");
- if (label === "/*" && reg.fallsThrough.test(body)) {
- isSpecial = true;
- commentType = "falls through";
- }
- special.forEach(function(str) {
- if (isSpecial) {
- return;
- }
- // Don't recognize any special comments other than jshint for single-line
- // comments. This introduced many problems with legit comments.
- if (label === "//" && str !== "jshint") {
- return;
- }
- if (body.charAt(str.length) === " " && body.substr(0, str.length) === str) {
- isSpecial = true;
- label = label + str;
- body = body.substr(str.length);
- }
- if (!isSpecial && body.charAt(0) === " " && body.charAt(str.length + 1) === " " &&
- body.substr(1, str.length) === str) {
- isSpecial = true;
- label = label + " " + str;
- body = body.substr(str.length + 1);
- }
- if (!isSpecial) {
- return;
- }
- switch (str) {
- case "member":
- commentType = "members";
- break;
- case "global":
- commentType = "globals";
- break;
- default:
- var options = body.split(":").map(function(v) {
- return v.replace(/^\s+/, "").replace(/\s+$/, "");
- });
- if (options.length === 2) {
- switch (options[0]) {
- case "ignore":
- switch (options[1]) {
- case "start":
- self.ignoringLinterErrors = true;
- isSpecial = false;
- break;
- case "end":
- self.ignoringLinterErrors = false;
- isSpecial = false;
- break;
- }
- }
- }
- commentType = str;
- }
- });
- return {
- type: Token.Comment,
- commentType: commentType,
- value: value,
- body: body,
- isSpecial: isSpecial,
- isMultiline: opt.isMultiline || false,
- isMalformed: opt.isMalformed || false
- };
- }
- // End of unbegun comment. Raise an error and skip that input.
- if (ch1 === "*" && ch2 === "/") {
- this.trigger("error", {
- code: "E018",
- line: startLine,
- character: startChar
- });
- this.skip(2);
- return null;
- }
- // Comments must start either with // or /*
- if (ch1 !== "/" || (ch2 !== "*" && ch2 !== "/")) {
- return null;
- }
- // One-line comment
- if (ch2 === "/") {
- this.skip(this.input.length); // Skip to the EOL.
- return commentToken("//", rest);
- }
- var body = "";
- /* Multi-line comment */
- if (ch2 === "*") {
- this.inComment = true;
- this.skip(2);
- while (this.peek() !== "*" || this.peek(1) !== "/") {
- if (this.peek() === "") { // End of Line
- body += "\n";
- // If we hit EOF and our comment is still unclosed,
- // trigger an error and end the comment implicitly.
- if (!this.nextLine()) {
- this.trigger("error", {
- code: "E017",
- line: startLine,
- character: startChar
- });
- this.inComment = false;
- return commentToken("/*", body, {
- isMultiline: true,
- isMalformed: true
- });
- }
- } else {
- body += this.peek();
- this.skip();
- }
- }
- this.skip(2);
- this.inComment = false;
- return commentToken("/*", body, { isMultiline: true });
- }
- },
- /*
- * Extract a keyword out of the next sequence of characters or
- * return 'null' if its not possible.
- */
- scanKeyword: function() {
- var result = /^[a-zA-Z_$][a-zA-Z0-9_$]*/.exec(this.input);
- var keywords = [
- "if", "in", "do", "var", "for", "new",
- "try", "let", "this", "else", "case",
- "void", "with", "enum", "while", "break",
- "catch", "throw", "const", "yield", "class",
- "super", "return", "typeof", "delete",
- "switch", "export", "import", "default",
- "finally", "extends", "function", "continue",
- "debugger", "instanceof"
- ];
- if (result && keywords.indexOf(result[0]) >= 0) {
- return {
- type: Token.Keyword,
- value: result[0]
- };
- }
- return null;
- },
- /*
- * Extract a JavaScript identifier out of the next sequence of
- * characters or return 'null' if its not possible. In addition,
- * to Identifier this method can also produce BooleanLiteral
- * (true/false) and NullLiteral (null).
- */
- scanIdentifier: function() {
- var id = "";
- var index = 0;
- var type, char;
- function isNonAsciiIdentifierStart(code) {
- return code > 256;
- }
- function isNonAsciiIdentifierPart(code) {
- return code > 256;
- }
- function isHexDigit(str) {
- return (/^[0-9a-fA-F]$/).test(str);
- }
- var readUnicodeEscapeSequence = function() {
- /*jshint validthis:true */
- index += 1;
- if (this.peek(index) !== "u") {
- return null;
- }
- var ch1 = this.peek(index + 1);
- var ch2 = this.peek(index + 2);
- var ch3 = this.peek(index + 3);
- var ch4 = this.peek(index + 4);
- var code;
- if (isHexDigit(ch1) && isHexDigit(ch2) && isHexDigit(ch3) && isHexDigit(ch4)) {
- code = parseInt(ch1 + ch2 + ch3 + ch4, 16);
- if (asciiIdentifierPartTable[code] || isNonAsciiIdentifierPart(code)) {
- index += 5;
- return "\\u" + ch1 + ch2 + ch3 + ch4;
- }
- return null;
- }
- return null;
- }.bind(this);
- var getIdentifierStart = function() {
- /*jshint validthis:true */
- var chr = this.peek(index);
- var code = chr.charCodeAt(0);
- if (code === 92) {
- return readUnicodeEscapeSequence();
- }
- if (code < 128) {
- if (asciiIdentifierStartTable[code]) {
- index += 1;
- return chr;
- }
- return null;
- }
- if (isNonAsciiIdentifierStart(code)) {
- index += 1;
- return chr;
- }
- return null;
- }.bind(this);
- var getIdentifierPart = function() {
- /*jshint validthis:true */
- var chr = this.peek(index);
- var code = chr.charCodeAt(0);
- if (code === 92) {
- return readUnicodeEscapeSequence();
- }
- if (code < 128) {
- if (asciiIdentifierPartTable[code]) {
- index += 1;
- return chr;
- }
- return null;
- }
- if (isNonAsciiIdentifierPart(code)) {
- index += 1;
- return chr;
- }
- return null;
- }.bind(this);
- function removeEscapeSequences(id) {
- return id.replace(/\\u([0-9a-fA-F]{4})/g, function(m0, codepoint) {
- return String.fromCharCode(parseInt(codepoint, 16));
- });
- }
- char = getIdentifierStart();
- if (char === null) {
- return null;
- }
- id = char;
- for (;;) {
- char = getIdentifierPart();
- if (char === null) {
- break;
- }
- id += char;
- }
- switch (id) {
- case "true":
- case "false":
- type = Token.BooleanLiteral;
- break;
- case "null":
- type = Token.NullLiteral;
- break;
- default:
- type = Token.Identifier;
- }
- return {
- type: type,
- value: removeEscapeSequences(id),
- text: id,
- tokenLength: id.length
- };
- },
- /*
- * Extract a numeric literal out of the next sequence of
- * characters or return 'null' if its not possible. This method
- * supports all numeric literals described in section 7.8.3
- * of the EcmaScript 5 specification.
- *
- * This method's implementation was heavily influenced by the
- * scanNumericLiteral function in the Esprima parser's source code.
- */
- scanNumericLiteral: function() {
- var index = 0;
- var value = "";
- var length = this.input.length;
- var char = this.peek(index);
- var bad;
- var isAllowedDigit = isDecimalDigit;
- var base = 10;
- var isLegacy = false;
- function isDecimalDigit(str) {
- return (/^[0-9]$/).test(str);
- }
- function isOctalDigit(str) {
- return (/^[0-7]$/).test(str);
- }
- function isBinaryDigit(str) {
- return (/^[01]$/).test(str);
- }
- function isHexDigit(str) {
- return (/^[0-9a-fA-F]$/).test(str);
- }
- function isIdentifierStart(ch) {
- return (ch === "$") || (ch === "_") || (ch === "\\") ||
- (ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z");
- }
- // Numbers must start either with a decimal digit or a point.
- if (char !== "." && !isDecimalDigit(char)) {
- return null;
- }
- if (char !== ".") {
- value = this.peek(index);
- index += 1;
- char = this.peek(index);
- if (value === "0") {
- // Base-16 numbers.
- if (char === "x" || char === "X") {
- isAllowedDigit = isHexDigit;
- base = 16;
- index += 1;
- value += char;
- }
- // Base-8 numbers.
- if (char === "o" || char === "O") {
- isAllowedDigit = isOctalDigit;
- base = 8;
- if (!state.inES6(true)) {
- this.trigger("warning", {
- code: "W119",
- line: this.line,
- character: this.char,
- data: [ "Octal integer literal", "6" ]
- });
- }
- index += 1;
- value += char;
- }
- // Base-2 numbers.
- if (char === "b" || char === "B") {
- isAllowedDigit = isBinaryDigit;
- base = 2;
- if (!state.inES6(true)) {
- this.trigger("warning", {
- code: "W119",
- line: this.line,
- character: this.char,
- data: [ "Binary integer literal", "6" ]
- });
- }
- index += 1;
- value += char;
- }
- // Legacy base-8 numbers.
- if (isOctalDigit(char)) {
- isAllowedDigit = isOctalDigit;
- base = 8;
- isLegacy = true;
- bad = false;
- index += 1;
- value += char;
- }
- // Decimal numbers that start with '0' such as '09' are illegal
- // but we still parse them and return as malformed.
- if (!isOctalDigit(char) && isDecimalDigit(char)) {
- index += 1;
- value += char;
- }
- }
- while (index < length) {
- char = this.peek(index);
- if (isLegacy && isDecimalDigit(char)) {
- // Numbers like '019' (note the 9) are not valid octals
- // but we still parse them and mark as malformed.
- bad = true;
- } else if (!isAllowedDigit(char)) {
- break;
- }
- value += char;
- index += 1;
- }
- if (isAllowedDigit !== isDecimalDigit) {
- if (!isLegacy && value.length <= 2) { // 0x
- return {
- type: Token.NumericLiteral,
- value: value,
- isMalformed: true
- };
- }
- if (index < length) {
- char = this.peek(index);
- if (isIdentifierStart(char)) {
- return null;
- }
- }
- return {
- type: Token.NumericLiteral,
- value: value,
- base: base,
- isLegacy: isLegacy,
- isMalformed: false
- };
- }
- }
- // Decimal digits.
- if (char === ".") {
- value += char;
- index += 1;
- while (index < length) {
- char = this.peek(index);
- if (!isDecimalDigit(char)) {
- break;
- }
- value += char;
- index += 1;
- }
- }
- // Exponent part.
- if (char === "e" || char === "E") {
- value += char;
- index += 1;
- char = this.peek(index);
- if (char === "+" || char === "-") {
- value += this.peek(index);
- index += 1;
- }
- char = this.peek(index);
- if (isDecimalDigit(char)) {
- value += char;
- index += 1;
- while (index < length) {
- char = this.peek(index);
- if (!isDecimalDigit(char)) {
- break;
- }
- value += char;
- index += 1;
- }
- } else {
- return null;
- }
- }
- if (index < length) {
- char = this.peek(index);
- if (isIdentifierStart(char)) {
- return null;
- }
- }
- return {
- type: Token.NumericLiteral,
- value: value,
- base: base,
- isMalformed: !isFinite(value)
- };
- },
- // Assumes previously parsed character was \ (=== '\\') and was not skipped.
- scanEscapeSequence: function(checks) {
- var allowNewLine = false;
- var jump = 1;
- this.skip();
- var char = this.peek();
- switch (char) {
- case "'":
- this.triggerAsync("warning", {
- code: "W114",
- line: this.line,
- character: this.char,
- data: [ "\\'" ]
- }, checks, function() {return state.jsonMode; });
- break;
- case "b":
- char = "\\b";
- break;
- case "f":
- char = "\\f";
- break;
- case "n":
- char = "\\n";
- break;
- case "r":
- char = "\\r";
- break;
- case "t":
- char = "\\t";
- break;
- case "0":
- char = "\\0";
- // Octal literals fail in strict mode.
- // Check if the number is between 00 and 07.
- var n = parseInt(this.peek(1), 10);
- this.triggerAsync("warning", {
- code: "W115",
- line: this.line,
- character: this.char
- }, checks,
- function() { return n >= 0 && n <= 7 && state.isStrict(); });
- break;
- case "u":
- var hexCode = this.input.substr(1, 4);
- var code = parseInt(hexCode, 16);
- if (isNaN(code)) {
- this.trigger("warning", {
- code: "W052",
- line: this.line,
- character: this.char,
- data: [ "u" + hexCode ]
- });
- }
- char = String.fromCharCode(code);
- jump = 5;
- break;
- case "v":
- this.triggerAsync("warning", {
- code: "W114",
- line: this.line,
- character: this.char,
- data: [ "\\v" ]
- }, checks, function() { return state.jsonMode; });
- char = "\v";
- break;
- case "x":
- var x = parseInt(this.input.substr(1, 2), 16);
- this.triggerAsync("warning", {
- code: "W114",
- line: this.line,
- character: this.char,
- data: [ "\\x-" ]
- }, checks, function() { return state.jsonMode; });
- char = String.fromCharCode(x);
- jump = 3;
- break;
- case "\\":
- char = "\\\\";
- break;
- case "\"":
- char = "\\\"";
- break;
- case "/":
- break;
- case "":
- allowNewLine = true;
- char = "";
- break;
- }
- return { char: char, jump: jump, allowNewLine: allowNewLine };
- },
- /*
- * Extract a template literal out of the next sequence of characters
- * and/or lines or return 'null' if its not possible. Since template
- * literals can span across multiple lines, this method has to move
- * the char pointer.
- */
- scanTemplateLiteral: function(checks) {
- var tokenType;
- var value = "";
- var ch;
- var startLine = this.line;
- var startChar = this.char;
- var depth = this.templateStarts.length;
- if (!state.inES6(true)) {
- // Only lex template strings in ESNext mode.
- return null;
- } else if (this.peek() === "`") {
- // Template must start with a backtick.
- tokenType = Token.TemplateHead;
- this.templateStarts.push({ line: this.line, char: this.char });
- depth = this.templateStarts.length;
- this.skip(1);
- this.pushContext(Context.Template);
- } else if (this.inContext(Context.Template) && this.peek() === "}") {
- // If we're in a template context, and we have a '}', lex a TemplateMiddle.
- tokenType = Token.TemplateMiddle;
- } else {
- // Go lex something else.
- return null;
- }
- while (this.peek() !== "`") {
- while ((ch = this.peek()) === "") {
- value += "\n";
- if (!this.nextLine()) {
- // Unclosed template literal --- point to the starting "`"
- var startPos = this.templateStarts.pop();
- this.trigger("error", {
- code: "E052",
- line: startPos.line,
- character: startPos.char
- });
- return {
- type: tokenType,
- value: value,
- startLine: startLine,
- startChar: startChar,
- isUnclosed: true,
- depth: depth,
- context: this.popContext()
- };
- }
- }
- if (ch === '$' && this.peek(1) === '{') {
- value += '${';
- this.skip(2);
- return {
- type: tokenType,
- value: value,
- startLine: startLine,
- startChar: startChar,
- isUnclosed: false,
- depth: depth,
- context: this.currentContext()
- };
- } else if (ch === '\\') {
- var escape = this.scanEscapeSequence(checks);
- value += escape.char;
- this.skip(escape.jump);
- } else if (ch !== '`') {
- // Otherwise, append the value and continue.
- value += ch;
- this.skip(1);
- }
- }
- // Final value is either NoSubstTemplate or TemplateTail
- tokenType = tokenType === Token.TemplateHead ? Token.NoSubstTemplate : Token.TemplateTail;
- this.skip(1);
- this.templateStarts.pop();
- return {
- type: tokenType,
- value: value,
- startLine: startLine,
- startChar: startChar,
- isUnclosed: false,
- depth: depth,
- context: this.popContext()
- };
- },
- /*
- * Extract a string out of the next sequence of characters and/or
- * lines or return 'null' if its not possible. Since strings can
- * span across multiple lines this method has to move the char
- * pointer.
- *
- * This method recognizes pseudo-multiline JavaScript strings:
- *
- * var str = "hello\
- * world";
- */
- scanStringLiteral: function(checks) {
- /*jshint loopfunc:true */
- var quote = this.peek();
- // String must start with a quote.
- if (quote !== "\"" && quote !== "'") {
- return null;
- }
- // In JSON strings must always use double quotes.
- this.triggerAsync("warning", {
- code: "W108",
- line: this.line,
- character: this.char // +1?
- }, checks, function() { return state.jsonMode && quote !== "\""; });
- var value = "";
- var startLine = this.line;
- var startChar = this.char;
- var allowNewLine = false;
- this.skip();
- while (this.peek() !== quote) {
- if (this.peek() === "") { // End Of Line
- // If an EOL is not preceded by a backslash, show a warning
- // and proceed like it was a legit multi-line string where
- // author simply forgot to escape the newline symbol.
- //
- // Another approach is to implicitly close a string on EOL
- // but it generates too many false positives.
- if (!allowNewLine) {
- this.trigger("warning", {
- code: "W112",
- line: this.line,
- character: this.char
- });
- } else {
- allowNewLine = false;
- // Otherwise show a warning if multistr option was not set.
- // For JSON, show warning no matter what.
- this.triggerAsync("warning", {
- code: "W043",
- line: this.line,
- character: this.char
- }, checks, function() { return !state.option.multistr; });
- this.triggerAsync("warning", {
- code: "W042",
- line: this.line,
- character: this.char
- }, checks, function() { return state.jsonMode && state.option.multistr; });
- }
- // If we get an EOF inside of an unclosed string, show an
- // error and implicitly close it at the EOF point.
- if (!this.nextLine()) {
- this.trigger("error", {
- code: "E029",
- line: startLine,
- character: startChar
- });
- return {
- type: Token.StringLiteral,
- value: value,
- startLine: startLine,
- startChar: startChar,
- isUnclosed: true,
- quote: quote
- };
- }
- } else { // Any character other than End Of Line
- allowNewLine = false;
- var char = this.peek();
- var jump = 1; // A length of a jump, after we're done
- // parsing this character.
- if (char < " ") {
- // Warn about a control character in a string.
- this.trigger("warning", {
- code: "W113",
- line: this.line,
- character: this.char,
- data: [ "<non-printable>" ]
- });
- }
- // Special treatment for some escaped characters.
- if (char === "\\") {
- var parsed = this.scanEscapeSequence(checks);
- char = parsed.char;
- jump = parsed.jump;
- allowNewLine = parsed.allowNewLine;
- }
- value += char;
- this.skip(jump);
- }
- }
- this.skip();
- return {
- type: Token.StringLiteral,
- value: value,
- startLine: startLine,
- startChar: startChar,
- isUnclosed: false,
- quote: quote
- };
- },
- /*
- * Extract a regular expression out of the next sequence of
- * characters and/or lines or return 'null' if its not possible.
- *
- * This method is platform dependent: it accepts almost any
- * regular expression values but then tries to compile and run
- * them using system's RegExp object. This means that there are
- * rare edge cases where one JavaScript engine complains about
- * your regular expression while others don't.
- */
- scanRegExp: function() {
- var index = 0;
- var length = this.input.length;
- var char = this.peek();
- var value = char;
- var body = "";
- var flags = [];
- var malformed = false;
- var isCharSet = false;
- var terminated;
- var scanUnexpectedChars = function() {
- // Unexpected control character
- if (char < " ") {
- malformed = true;
- this.trigger("warning", {
- code: "W048",
- line: this.line,
- character: this.char
- });
- }
- // Unexpected escaped character
- if (char === "<") {
- malformed = true;
- this.trigger("warning", {
- code: "W049",
- line: this.line,
- character: this.char,
- data: [ char ]
- });
- }
- }.bind(this);
- // Regular expressions must start with '/'
- if (!this.prereg || char !== "/") {
- return null;
- }
- index += 1;
- terminated = false;
- // Try to get everything in between slashes. A couple of
- // cases aside (see scanUnexpectedChars) we don't really
- // care whether the resulting expression is valid or not.
- // We will check that later using the RegExp object.
- while (index < length) {
- char = this.peek(index);
- value += char;
- body += char;
- if (isCharSet) {
- if (char === "]") {
- if (this.peek(index - 1) !== "\\" || this.peek(index - 2) === "\\") {
- isCharSet = false;
- }
- }
- if (char === "\\") {
- index += 1;
- char = this.peek(index);
- body += char;
- value += char;
- scanUnexpectedChars();
- }
- index += 1;
- continue;
- }
- if (char === "\\") {
- index += 1;
- char = this.peek(index);
- body += char;
- value += char;
- scanUnexpectedChars();
- if (char === "/") {
- index += 1;
- continue;
- }
- if (char === "[") {
- index += 1;
- continue;
- }
- }
- if (char === "[") {
- isCharSet = true;
- index += 1;
- continue;
- }
- if (char === "/") {
- body = body.substr(0, body.length - 1);
- terminated = true;
- index += 1;
- break;
- }
- index += 1;
- }
- // A regular expression that was never closed is an
- // error from which we cannot recover.
- if (!terminated) {
- this.trigger("error", {
- code: "E015",
- line: this.line,
- character: this.from
- });
- return void this.trigger("fatal", {
- line: this.line,
- from: this.from
- });
- }
- // Parse flags (if any).
- while (index < length) {
- char = this.peek(index);
- if (!/[gim]/.test(char)) {
- break;
- }
- flags.push(char);
- value += char;
- index += 1;
- }
- // Check regular expression for correctness.
- try {
- new RegExp(body, flags.join(""));
- } catch (err) {
- malformed = true;
- this.trigger("error", {
- code: "E016",
- line: this.line,
- character: this.char,
- data: [ err.message ] // Platform dependent!
- });
- }
- return {
- type: Token.RegExp,
- value: value,
- flags: flags,
- isMalformed: malformed
- };
- },
- /*
- * Scan for any occurrence of non-breaking spaces. Non-breaking spaces
- * can be mistakenly typed on OS X with option-space. Non UTF-8 web
- * pages with non-breaking pages produce syntax errors.
- */
- scanNonBreakingSpaces: function() {
- return state.option.nonbsp ?
- this.input.search(/(\u00A0)/) : -1;
- },
- /*
- * Scan for characters that get silently deleted by one or more browsers.
- */
- scanUnsafeChars: function() {
- return this.input.search(reg.unsafeChars);
- },
- /*
- * Produce the next raw token or return 'null' if no tokens can be matched.
- * This method skips over all space characters.
- */
- next: function(checks) {
- this.from = this.char;
- // Move to the next non-space character.
- var start;
- if (/\s/.test(this.peek())) {
- start = this.char;
- while (/\s/.test(this.peek())) {
- this.from += 1;
- this.skip();
- }
- }
- // Methods that work with multi-line structures and move the
- // character pointer.
- var match = this.scanComments() ||
- this.scanStringLiteral(checks) ||
- this.scanTemplateLiteral(checks);
- if (match) {
- return match;
- }
- // Methods that don't move the character pointer.
- match =
- this.scanRegExp() ||
- this.scanPunctuator() ||
- this.scanKeyword() ||
- this.scanIdentifier() ||
- this.scanNumericLiteral();
- if (match) {
- this.skip(match.tokenLength || match.value.length);
- return match;
- }
- // No token could be matched, give up.
- return null;
- },
- /*
- * Switch to the next line and reset all char pointers. Once
- * switched, this method also checks for other minor warnings.
- */
- nextLine: function() {
- var char;
- if (this.line >= this.getLines().length) {
- return false;
- }
- this.input = this.getLines()[this.line];
- this.line += 1;
- this.char = 1;
- this.from = 1;
- var inputTrimmed = this.input.trim();
- var startsWith = function() {
- return _.some(arguments, function(prefix) {
- return inputTrimmed.indexOf(prefix) === 0;
- });
- };
- var endsWith = function() {
- return _.some(arguments, function(suffix) {
- return inputTrimmed.indexOf(suffix, inputTrimmed.length - suffix.length) !== -1;
- });
- };
- // If we are ignoring linter errors, replace the input with empty string
- // if it doesn't already at least start or end a multi-line comment
- if (this.ignoringLinterErrors === true) {
- if (!startsWith("/*", "//") && !(this.inComment && endsWith("*/"))) {
- this.input = "";
- }
- }
- char = this.scanNonBreakingSpaces();
- if (char >= 0) {
- this.trigger("warning", { code: "W125", line: this.line, character: char + 1 });
- }
- this.input = this.input.replace(/\t/g, state.tab);
- char = this.scanUnsafeChars();
- if (char >= 0) {
- this.trigger("warning", { code: "W100", line: this.line, character: char });
- }
- // If there is a limit on line length, warn when lines get too
- // long.
- if (!this.ignoringLinterErrors && state.option.maxlen &&
- state.option.maxlen < this.input.length) {
- var inComment = this.inComment ||
- startsWith.call(inputTrimmed, "//") ||
- startsWith.call(inputTrimmed, "/*");
- var shouldTriggerError = !inComment || !reg.maxlenException.test(inputTrimmed);
- if (shouldTriggerError) {
- this.trigger("warning", { code: "W101", line: this.line, character: this.input.length });
- }
- }
- return true;
- },
- /*
- * This is simply a synonym for nextLine() method with a friendlier
- * public name.
- */
- start: function() {
- this.nextLine();
- },
- /*
- * Produce the next token. This function is called by advance() to get
- * the next token. It returns a token in a JSLint-compatible format.
- */
- token: function() {
- /*jshint loopfunc:true */
- var checks = asyncTrigger();
- var token;
- function isReserved(token, isProperty) {
- if (!token.reserved) {
- return false;
- }
- var meta = token.meta;
- if (meta && meta.isFutureReservedWord && state.inES5()) {
- // ES3 FutureReservedWord in an ES5 environment.
- if (!meta.es5) {
- return false;
- }
- // Some ES5 FutureReservedWord identifiers are active only
- // within a strict mode environment.
- if (meta.strictOnly) {
- if (!state.option.strict && !state.isStrict()) {
- return false;
- }
- }
- if (isProperty) {
- return false;
- }
- }
- return true;
- }
- // Produce a token object.
- var create = function(type, value, isProperty, token) {
- /*jshint validthis:true */
- var obj;
- if (type !== "(endline)" && type !== "(end)") {
- this.prereg = false;
- }
- if (type === "(punctuator)") {
- switch (value) {
- case ".":
- case ")":
- case "~":
- case "#":
- case "]":
- case "++":
- case "--":
- this.prereg = false;
- break;
- default:
- this.prereg = true;
- }
- obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
- }
- if (type === "(identifier)") {
- if (value === "return" || value === "case" || value === "typeof") {
- this.prereg = true;
- }
- if (_.has(state.syntax, value)) {
- obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
- // If this can't be a reserved keyword, reset the object.
- if (!isReserved(obj, isProperty && type === "(identifier)")) {
- obj = null;
- }
- }
- }
- if (!obj) {
- obj = Object.create(state.syntax[type]);
- }
- obj.identifier = (type === "(identifier)");
- obj.type = obj.type || type;
- obj.value = value;
- obj.line = this.line;
- obj.character = this.char;
- obj.from = this.from;
- if (obj.identifier && token) obj.raw_text = token.text || token.value;
- if (token && token.startLine && token.startLine !== this.line) {
- obj.startLine = token.startLine;
- }
- if (token && token.context) {
- // Context of current token
- obj.context = token.context;
- }
- if (token && token.depth) {
- // Nested template depth
- obj.depth = token.depth;
- }
- if (token && token.isUnclosed) {
- // Mark token as unclosed string / template literal
- obj.isUnclosed = token.isUnclosed;
- }
- if (isProperty && obj.identifier) {
- obj.isProperty = isProperty;
- }
- obj.check = checks.check;
- return obj;
- }.bind(this);
- for (;;) {
- if (!this.input.length) {
- if (this.nextLine()) {
- return create("(endline)", "");
- }
- if (this.exhausted) {
- return null;
- }
- this.exhausted = true;
- return create("(end)", "");
- }
- token = this.next(checks);
- if (!token) {
- if (this.input.length) {
- // Unexpected character.
- this.trigger("error", {
- code: "E024",
- line: this.line,
- character: this.char,
- data: [ this.peek() ]
- });
- this.input = "";
- }
- continue;
- }
- switch (token.type) {
- case Token.StringLiteral:
- this.triggerAsync("String", {
- line: this.line,
- char: this.char,
- from: this.from,
- startLine: token.startLine,
- startChar: token.startChar,
- value: token.value,
- quote: token.quote
- }, checks, function() { return true; });
- return create("(string)", token.value, null, token);
- case Token.TemplateHead:
- this.trigger("TemplateHead", {
- line: this.line,
- char: this.char,
- from: this.from,
- startLine: token.startLine,
- startChar: token.startChar,
- value: token.value
- });
- return create("(template)", token.value, null, token);
- case Token.TemplateMiddle:
- this.trigger("TemplateMiddle", {
- line: this.line,
- char: this.char,
- from: this.from,
- startLine: token.startLine,
- startChar: token.startChar,
- value: token.value
- });
- return create("(template middle)", token.value, null, token);
- case Token.TemplateTail:
- this.trigger("TemplateTail", {
- line: this.line,
- char: this.char,
- from: this.from,
- startLine: token.startLine,
- startChar: token.startChar,
- value: token.value
- });
- return create("(template tail)", token.value, null, token);
- case Token.NoSubstTemplate:
- this.trigger("NoSubstTemplate", {
- line: this.line,
- char: this.char,
- from: this.from,
- startLine: token.startLine,
- startChar: token.startChar,
- value: token.value
- });
- return create("(no subst template)", token.value, null, token);
- case Token.Identifier:
- this.triggerAsync("Identifier", {
- line: this.line,
- char: this.char,
- from: this.form,
- name: token.value,
- raw_name: token.text,
- isProperty: state.tokens.curr.id === "."
- }, checks, function() { return true; });
- /* falls through */
- case Token.Keyword:
- case Token.NullLiteral:
- case Token.BooleanLiteral:
- return create("(identifier)", token.value, state.tokens.curr.id === ".", token);
- case Token.NumericLiteral:
- if (token.isMalformed) {
- this.trigger("warning", {
- code: "W045",
- line: this.line,
- character: this.char,
- data: [ token.value ]
- });
- }
- this.triggerAsync("warning", {
- code: "W114",
- line: this.line,
- character: this.char,
- data: [ "0x-" ]
- }, checks, function() { return token.base === 16 && state.jsonMode; });
- this.triggerAsync("warning", {
- code: "W115",
- line: this.line,
- character: this.char
- }, checks, function() {
- return state.isStrict() && token.base === 8 && token.isLegacy;
- });
- this.trigger("Number", {
- line: this.line,
- char: this.char,
- from: this.from,
- value: token.value,
- base: token.base,
- isMalformed: token.malformed
- });
- return create("(number)", token.value);
- case Token.RegExp:
- return create("(regexp)", token.value);
- case Token.Comment:
- state.tokens.curr.comment = true;
- if (token.isSpecial) {
- return {
- id: '(comment)',
- value: token.value,
- body: token.body,
- type: token.commentType,
- isSpecial: token.isSpecial,
- line: this.line,
- character: this.char,
- from: this.from
- };
- }
- break;
- case "":
- break;
- default:
- return create("(punctuator)", token.value);
- }
- }
- }
- };
- exports.Lexer = Lexer;
- exports.Context = Context;
- },{"../data/ascii-identifier-data.js":"/node_modules/jshint/data/ascii-identifier-data.js","../lodash":"/node_modules/jshint/lodash.js","./reg.js":"/node_modules/jshint/src/reg.js","./state.js":"/node_modules/jshint/src/state.js","events":"/node_modules/browserify/node_modules/events/events.js"}],"/node_modules/jshint/src/messages.js":[function(_dereq_,module,exports){
- "use strict";
- var _ = _dereq_("../lodash");
- var errors = {
- // JSHint options
- E001: "Bad option: '{a}'.",
- E002: "Bad option value.",
- // JSHint input
- E003: "Expected a JSON value.",
- E004: "Input is neither a string nor an array of strings.",
- E005: "Input is empty.",
- E006: "Unexpected early end of program.",
- // Strict mode
- E007: "Missing \"use strict\" statement.",
- E008: "Strict violation.",
- E009: "Option 'validthis' can't be used in a global scope.",
- E010: "'with' is not allowed in strict mode.",
- // Constants
- E011: "'{a}' has already been declared.",
- E012: "const '{a}' is initialized to 'undefined'.",
- E013: "Attempting to override '{a}' which is a constant.",
- // Regular expressions
- E014: "A regular expression literal can be confused with '/='.",
- E015: "Unclosed regular expression.",
- E016: "Invalid regular expression.",
- // Tokens
- E017: "Unclosed comment.",
- E018: "Unbegun comment.",
- E019: "Unmatched '{a}'.",
- E020: "Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",
- E021: "Expected '{a}' and instead saw '{b}'.",
- E022: "Line breaking error '{a}'.",
- E023: "Missing '{a}'.",
- E024: "Unexpected '{a}'.",
- E025: "Missing ':' on a case clause.",
- E026: "Missing '}' to match '{' from line {a}.",
- E027: "Missing ']' to match '[' from line {a}.",
- E028: "Illegal comma.",
- E029: "Unclosed string.",
- // Everything else
- E030: "Expected an identifier and instead saw '{a}'.",
- E031: "Bad assignment.", // FIXME: Rephrase
- E032: "Expected a small integer or 'false' and instead saw '{a}'.",
- E033: "Expected an operator and instead saw '{a}'.",
- E034: "get/set are ES5 features.",
- E035: "Missing property name.",
- E036: "Expected to see a statement and instead saw a block.",
- E037: null,
- E038: null,
- E039: "Function declarations are not invocable. Wrap the whole function invocation in parens.",
- E040: "Each value should have its own case label.",
- E041: "Unrecoverable syntax error.",
- E042: "Stopping.",
- E043: "Too many errors.",
- E044: null,
- E045: "Invalid for each loop.",
- E046: "A yield statement shall be within a generator function (with syntax: `function*`)",
- E047: null,
- E048: "{a} declaration not directly within block.",
- E049: "A {a} cannot be named '{b}'.",
- E050: "Mozilla requires the yield expression to be parenthesized here.",
- E051: null,
- E052: "Unclosed template literal.",
- E053: "Export declaration must be in global scope.",
- E054: "Class properties must be methods. Expected '(' but instead saw '{a}'.",
- E055: "The '{a}' option cannot be set after any executable code.",
- E056: "'{a}' was used before it was declared, which is illegal for '{b}' variables.",
- E057: "Invalid meta property: '{a}.{b}'.",
- E058: "Missing semicolon."
- };
- var warnings = {
- W001: "'hasOwnProperty' is a really bad name.",
- W002: "Value of '{a}' may be overwritten in IE 8 and earlier.",
- W003: "'{a}' was used before it was defined.",
- W004: "'{a}' is already defined.",
- W005: "A dot following a number can be confused with a decimal point.",
- W006: "Confusing minuses.",
- W007: "Confusing plusses.",
- W008: "A leading decimal point can be confused with a dot: '{a}'.",
- W009: "The array literal notation [] is preferable.",
- W010: "The object literal notation {} is preferable.",
- W011: null,
- W012: null,
- W013: null,
- W014: "Bad line breaking before '{a}'.",
- W015: null,
- W016: "Unexpected use of '{a}'.",
- W017: "Bad operand.",
- W018: "Confusing use of '{a}'.",
- W019: "Use the isNaN function to compare with NaN.",
- W020: "Read only.",
- W021: "Reassignment of '{a}', which is is a {b}. " +
- "Use 'var' or 'let' to declare bindings that may change.",
- W022: "Do not assign to the exception parameter.",
- W023: "Expected an identifier in an assignment and instead saw a function invocation.",
- W024: "Expected an identifier and instead saw '{a}' (a reserved word).",
- W025: "Missing name in function declaration.",
- W026: "Inner functions should be listed at the top of the outer function.",
- W027: "Unreachable '{a}' after '{b}'.",
- W028: "Label '{a}' on {b} statement.",
- W030: "Expected an assignment or function call and instead saw an expression.",
- W031: "Do not use 'new' for side effects.",
- W032: "Unnecessary semicolon.",
- W033: "Missing semicolon.",
- W034: "Unnecessary directive \"{a}\".",
- W035: "Empty block.",
- W036: "Unexpected /*member '{a}'.",
- W037: "'{a}' is a statement label.",
- W038: "'{a}' used out of scope.",
- W039: "'{a}' is not allowed.",
- W040: "Possible strict violation.",
- W041: "Use '{a}' to compare with '{b}'.",
- W042: "Avoid EOL escaping.",
- W043: "Bad escaping of EOL. Use option multistr if needed.",
- W044: "Bad or unnecessary escaping.", /* TODO(caitp): remove W044 */
- W045: "Bad number '{a}'.",
- W046: "Don't use extra leading zeros '{a}'.",
- W047: "A trailing decimal point can be confused with a dot: '{a}'.",
- W048: "Unexpected control character in regular expression.",
- W049: "Unexpected escaped character '{a}' in regular expression.",
- W050: "JavaScript URL.",
- W051: "Variables should not be deleted.",
- W052: "Unexpected '{a}'.",
- W053: "Do not use {a} as a constructor.",
- W054: "The Function constructor is a form of eval.",
- W055: "A constructor name should start with an uppercase letter.",
- W056: "Bad constructor.",
- W057: "Weird construction. Is 'new' necessary?",
- W058: "Missing '()' invoking a constructor.",
- W059: "Avoid arguments.{a}.",
- W060: "document.write can be a form of eval.",
- W061: "eval can be harmful.",
- W062: "Wrap an immediate function invocation in parens " +
- "to assist the reader in understanding that the expression " +
- "is the result of a function, and not the function itself.",
- W063: "Math is not a function.",
- W064: "Missing 'new' prefix when invoking a constructor.",
- W065: "Missing radix parameter.",
- W066: "Implied eval. Consider passing a function instead of a string.",
- W067: "Bad invocation.",
- W068: "Wrapping non-IIFE function literals in parens is unnecessary.",
- W069: "['{a}'] is better written in dot notation.",
- W070: "Extra comma. (it breaks older versions of IE)",
- W071: "This function has too many statements. ({a})",
- W072: "This function has too many parameters. ({a})",
- W073: "Blocks are nested too deeply. ({a})",
- W074: "This function's cyclomatic complexity is too high. ({a})",
- W075: "Duplicate {a} '{b}'.",
- W076: "Unexpected parameter '{a}' in get {b} function.",
- W077: "Expected a single parameter in set {a} function.",
- W078: "Setter is defined without getter.",
- W079: "Redefinition of '{a}'.",
- W080: "It's not necessary to initialize '{a}' to 'undefined'.",
- W081: null,
- W082: "Function declarations should not be placed in blocks. " +
- "Use a function expression or move the statement to the top of " +
- "the outer function.",
- W083: "Don't make functions within a loop.",
- W084: "Assignment in conditional expression",
- W085: "Don't use 'with'.",
- W086: "Expected a 'break' statement before '{a}'.",
- W087: "Forgotten 'debugger' statement?",
- W088: "Creating global 'for' variable. Should be 'for (var {a} ...'.",
- W089: "The body of a for in should be wrapped in an if statement to filter " +
- "unwanted properties from the prototype.",
- W090: "'{a}' is not a statement label.",
- W091: null,
- W093: "Did you mean to return a conditional instead of an assignment?",
- W094: "Unexpected comma.",
- W095: "Expected a string and instead saw {a}.",
- W096: "The '{a}' key may produce unexpected results.",
- W097: "Use the function form of \"use strict\".",
- W098: "'{a}' is defined but never used.",
- W099: null,
- W100: "This character may get silently deleted by one or more browsers.",
- W101: "Line is too long.",
- W102: null,
- W103: "The '{a}' property is deprecated.",
- W104: "'{a}' is available in ES{b} (use 'esversion: {b}') or Mozilla JS extensions (use moz).",
- W105: "Unexpected {a} in '{b}'.",
- W106: "Identifier '{a}' is not in camel case.",
- W107: "Script URL.",
- W108: "Strings must use doublequote.",
- W109: "Strings must use singlequote.",
- W110: "Mixed double and single quotes.",
- W112: "Unclosed string.",
- W113: "Control character in string: {a}.",
- W114: "Avoid {a}.",
- W115: "Octal literals are not allowed in strict mode.",
- W116: "Expected '{a}' and instead saw '{b}'.",
- W117: "'{a}' is not defined.",
- W118: "'{a}' is only available in Mozilla JavaScript extensions (use moz option).",
- W119: "'{a}' is only available in ES{b} (use 'esversion: {b}').",
- W120: "You might be leaking a variable ({a}) here.",
- W121: "Extending prototype of native object: '{a}'.",
- W122: "Invalid typeof value '{a}'",
- W123: "'{a}' is already defined in outer scope.",
- W124: "A generator function shall contain a yield statement.",
- W125: "This line contains non-breaking spaces: http://jshint.com/doc/options/#nonbsp",
- W126: "Unnecessary grouping operator.",
- W127: "Unexpected use of a comma operator.",
- W128: "Empty array elements require elision=true.",
- W129: "'{a}' is defined in a future version of JavaScript. Use a " +
- "different variable name to avoid migration issues.",
- W130: "Invalid element after rest element.",
- W131: "Invalid parameter after rest parameter.",
- W132: "`var` declarations are forbidden. Use `let` or `const` instead.",
- W133: "Invalid for-{a} loop left-hand-side: {b}.",
- W134: "The '{a}' option is only available when linting ECMAScript {b} code.",
- W135: "{a} may not be supported by non-browser environments.",
- W136: "'{a}' must be in function scope.",
- W137: "Empty destructuring.",
- W138: "Regular parameters should not come after default parameters."
- };
- var info = {
- I001: "Comma warnings can be turned off with 'laxcomma'.",
- I002: null,
- I003: "ES5 option is now set per default"
- };
- exports.errors = {};
- exports.warnings = {};
- exports.info = {};
- _.each(errors, function(desc, code) {
- exports.errors[code] = { code: code, desc: desc };
- });
- _.each(warnings, function(desc, code) {
- exports.warnings[code] = { code: code, desc: desc };
- });
- _.each(info, function(desc, code) {
- exports.info[code] = { code: code, desc: desc };
- });
- },{"../lodash":"/node_modules/jshint/lodash.js"}],"/node_modules/jshint/src/name-stack.js":[function(_dereq_,module,exports){
- "use strict";
- function NameStack() {
- this._stack = [];
- }
- Object.defineProperty(NameStack.prototype, "length", {
- get: function() {
- return this._stack.length;
- }
- });
- /**
- * Create a new entry in the stack. Useful for tracking names across
- * expressions.
- */
- NameStack.prototype.push = function() {
- this._stack.push(null);
- };
- /**
- * Discard the most recently-created name on the stack.
- */
- NameStack.prototype.pop = function() {
- this._stack.pop();
- };
- /**
- * Update the most recent name on the top of the stack.
- *
- * @param {object} token The token to consider as the source for the most
- * recent name.
- */
- NameStack.prototype.set = function(token) {
- this._stack[this.length - 1] = token;
- };
- /**
- * Generate a string representation of the most recent name.
- *
- * @returns {string}
- */
- NameStack.prototype.infer = function() {
- var nameToken = this._stack[this.length - 1];
- var prefix = "";
- var type;
- // During expected operation, the topmost entry on the stack will only
- // reflect the current function's name when the function is declared without
- // the `function` keyword (i.e. for in-line accessor methods). In other
- // cases, the `function` expression itself will introduce an empty entry on
- // the top of the stack, and this should be ignored.
- if (!nameToken || nameToken.type === "class") {
- nameToken = this._stack[this.length - 2];
- }
- if (!nameToken) {
- return "(empty)";
- }
- type = nameToken.type;
- if (type !== "(string)" && type !== "(number)" && type !== "(identifier)" && type !== "default") {
- return "(expression)";
- }
- if (nameToken.accessorType) {
- prefix = nameToken.accessorType + " ";
- }
- return prefix + nameToken.value;
- };
- module.exports = NameStack;
- },{}],"/node_modules/jshint/src/options.js":[function(_dereq_,module,exports){
- "use strict";
- // These are the JSHint boolean options.
- exports.bool = {
- enforcing: {
- /**
- * This option prohibits the use of bitwise operators such as `^` (XOR),
- * `|` (OR) and others. Bitwise operators are very rare in JavaScript
- * programs and quite often `&` is simply a mistyped `&&`.
- */
- bitwise : true,
- /**
- *
- * This options prohibits overwriting prototypes of native objects such as
- * `Array`, `Date` and so on.
- *
- * // jshint freeze:true
- * Array.prototype.count = function (value) { return 4; };
- * // -> Warning: Extending prototype of native object: 'Array'.
- */
- freeze : true,
- /**
- * This option allows you to force all variable names to use either
- * camelCase style or UPPER_CASE with underscores.
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness.
- * If you would like to enforce rules relating to code style,
- * check out [the JSCS
- * project](https://github.com/jscs-dev/node-jscs).
- */
- camelcase : true,
- /**
- * This option requires you to always put curly braces around blocks in
- * loops and conditionals. JavaScript allows you to omit curly braces when
- * the block consists of only one statement, for example:
- *
- * while (day)
- * shuffle();
- *
- * However, in some circumstances, it can lead to bugs (you'd think that
- * `sleep()` is a part of the loop while in reality it is not):
- *
- * while (day)
- * shuffle();
- * sleep();
- */
- curly : true,
- /**
- * This options prohibits the use of `==` and `!=` in favor of `===` and
- * `!==`. The former try to coerce values before comparing them which can
- * lead to some unexpected results. The latter don't do any coercion so
- * they are generally safer. If you would like to learn more about type
- * coercion in JavaScript, we recommend [Truth, Equality and
- * JavaScript](http://javascriptweblog.wordpress.com/2011/02/07/truth-equality-and-javascript/)
- * by Angus Croll.
- */
- eqeqeq : true,
- /**
- * This option enables warnings about the use of identifiers which are
- * defined in future versions of JavaScript. Although overwriting them has
- * no effect in contexts where they are not implemented, this practice can
- * cause issues when migrating codebases to newer versions of the language.
- */
- futurehostile: true,
- /**
- * This option suppresses warnings about invalid `typeof` operator values.
- * This operator has only [a limited set of possible return
- * values](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeof).
- * By default, JSHint warns when you compare its result with an invalid
- * value which often can be a typo.
- *
- * // 'fuction' instead of 'function'
- * if (typeof a == "fuction") { // Invalid typeof value 'fuction'
- * // ...
- * }
- *
- * Do not use this option unless you're absolutely sure you don't want
- * these checks.
- */
- notypeof : true,
- /**
- * This option tells JSHint that your code needs to adhere to ECMAScript 3
- * specification. Use this option if you need your program to be executable
- * in older browsers—such as Internet Explorer 6/7/8/9—and other legacy
- * JavaScript environments.
- *
- * @deprecated Use `esversion: 3` instead.
- */
- es3 : true,
- /**
- * This option enables syntax first defined in [the ECMAScript 5.1
- * specification](http://es5.github.io/). This includes allowing reserved
- * keywords as object properties.
- *
- * @deprecated Use `esversion: 5` instead.
- */
- es5 : true,
- /**
- * This option requires all `for in` loops to filter object's items. The
- * for in statement allows for looping through the names of all of the
- * properties of an object including those inherited through the prototype
- * chain. This behavior can lead to unexpected items in your object so it
- * is generally safer to always filter inherited properties out as shown in
- * the example:
- *
- * for (key in obj) {
- * if (obj.hasOwnProperty(key)) {
- * // We are sure that obj[key] belongs to the object and was not inherited.
- * }
- * }
- *
- * For more in-depth understanding of `for in` loops in JavaScript, read
- * [Exploring JavaScript for-in
- * loops](http://javascriptweblog.wordpress.com/2011/01/04/exploring-javascript-for-in-loops/)
- * by Angus Croll.
- */
- forin : true,
- /**
- * This option suppresses warnings about declaring variables inside of
- * control
- * structures while accessing them later from the outside. Even though
- * JavaScript has only two real scopes—global and function—such practice
- * leads to confusion among people new to the language and hard-to-debug
- * bugs. This is why, by default, JSHint warns about variables that are
- * used outside of their intended scope.
- *
- * function test() {
- * if (true) {
- * var x = 0;
- * }
- *
- * x += 1; // Default: 'x' used out of scope.
- * // No warning when funcscope:true
- * }
- */
- funcscope : true,
- /**
- * This option prohibits the use of immediate function invocations without
- * wrapping them in parentheses. Wrapping parentheses assists readers of
- * your code in understanding that the expression is the result of a
- * function, and not the function itself.
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness.
- * If you would like to enforce rules relating to code style,
- * check out [the JSCS
- * project](https://github.com/jscs-dev/node-jscs).
- */
- immed : true,
- /**
- * This option suppresses warnings about the `__iterator__` property. This
- * property is not supported by all browsers so use it carefully.
- */
- iterator : true,
- /**
- * This option requires you to capitalize names of constructor functions.
- * Capitalizing functions that are intended to be used with `new` operator
- * is just a convention that helps programmers to visually distinguish
- * constructor functions from other types of functions to help spot
- * mistakes when using `this`.
- *
- * Not doing so won't break your code in any browsers or environments but
- * it will be a bit harder to figure out—by reading the code—if the
- * function was supposed to be used with or without new. And this is
- * important because when the function that was intended to be used with
- * `new` is used without it, `this` will point to the global object instead
- * of a new object.
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness.
- * If you would like to enforce rules relating to code style,
- * check out [the JSCS
- * project](https://github.com/jscs-dev/node-jscs).
- */
- newcap : true,
- /**
- * This option prohibits the use of `arguments.caller` and
- * `arguments.callee`. Both `.caller` and `.callee` make quite a few
- * optimizations impossible so they were deprecated in future versions of
- * JavaScript. In fact, ECMAScript 5 forbids the use of `arguments.callee`
- * in strict mode.
- */
- noarg : true,
- /**
- * This option prohibits the use of the comma operator. When misused, the
- * comma operator can obscure the value of a statement and promote
- * incorrect code.
- */
- nocomma : true,
- /**
- * This option warns when you have an empty block in your code. JSLint was
- * originally warning for all empty blocks and we simply made it optional.
- * There were no studies reporting that empty blocks in JavaScript break
- * your code in any way.
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness.
- * If you would like to enforce rules relating to code style,
- * check out [the JSCS
- * project](https://github.com/jscs-dev/node-jscs).
- */
- noempty : true,
- /**
- * This option warns about "non-breaking whitespace" characters. These
- * characters can be entered with option-space on Mac computers and have a
- * potential of breaking non-UTF8 web pages.
- */
- nonbsp : true,
- /**
- * This option prohibits the use of constructor functions for side-effects.
- * Some people like to call constructor functions without assigning its
- * result to any variable:
- *
- * new MyConstructor();
- *
- * There is no advantage in this approach over simply calling
- * `MyConstructor` since the object that the operator `new` creates isn't
- * used anywhere so you should generally avoid constructors like this one.
- */
- nonew : true,
- /**
- * This option prohibits the use of explicitly undeclared variables. This
- * option is very useful for spotting leaking and mistyped variables.
- *
- * // jshint undef:true
- *
- * function test() {
- * var myVar = 'Hello, World';
- * console.log(myvar); // Oops, typoed here. JSHint with undef will complain
- * }
- *
- * If your variable is defined in another file, you can use the `global`
- * directive to tell JSHint about it.
- */
- undef : true,
- /**
- * This option prohibits the use of the grouping operator when it is not
- * strictly required. Such usage commonly reflects a misunderstanding of
- * unary operators, for example:
- *
- * // jshint singleGroups: true
- *
- * delete(obj.attr); // Warning: Unnecessary grouping operator.
- */
- singleGroups: false,
- /**
- * When set to true, the use of VariableStatements are forbidden.
- * For example:
- *
- * // jshint varstmt: true
- *
- * var a; // Warning: `var` declarations are forbidden. Use `let` or `const` instead.
- */
- varstmt: false,
- /**
- * This option is a short hand for the most strict JSHint configuration as
- * available in JSHint version 2.6.3. It enables all enforcing options and
- * disables all relaxing options that were defined in that release.
- *
- * @deprecated The option cannot be maintained without automatically opting
- * users in to new features. This can lead to unexpected
- * warnings/errors in when upgrading between minor versions of
- * JSHint.
- */
- enforceall : false
- },
- relaxing: {
- /**
- * This option suppresses warnings about missing semicolons. There is a lot
- * of FUD about semicolon spread by quite a few people in the community.
- * The common myths are that semicolons are required all the time (they are
- * not) and that they are unreliable. JavaScript has rules about semicolons
- * which are followed by *all* browsers so it is up to you to decide
- * whether you should or should not use semicolons in your code.
- *
- * For more information about semicolons in JavaScript read [An Open Letter
- * to JavaScript Leaders Regarding
- * Semicolons](http://blog.izs.me/post/2353458699/an-open-letter-to-javascript-leaders-regarding)
- * by Isaac Schlueter and [JavaScript Semicolon
- * Insertion](http://inimino.org/~inimino/blog/javascript_semicolons).
- */
- asi : true,
- /**
- * This option suppresses warnings about multi-line strings. Multi-line
- * strings can be dangerous in JavaScript because all hell breaks loose if
- * you accidentally put a whitespace in between the escape character (`\`)
- * and a new line.
- *
- * Note that even though this option allows correct multi-line strings, it
- * still warns about multi-line strings without escape characters or with
- * anything in between the escape character and a whitespace.
- *
- * // jshint multistr:true
- *
- * var text = "Hello\
- * World"; // All good.
- *
- * text = "Hello
- * World"; // Warning, no escape character.
- *
- * text = "Hello\
- * World"; // Warning, there is a space after \
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness.
- * If you would like to enforce rules relating to code style,
- * check out [the JSCS
- * project](https://github.com/jscs-dev/node-jscs).
- */
- multistr : true,
- /**
- * This option suppresses warnings about the `debugger` statements in your
- * code.
- */
- debug : true,
- /**
- * This option suppresses warnings about the use of assignments in cases
- * where comparisons are expected. More often than not, code like `if (a =
- * 10) {}` is a typo. However, it can be useful in cases like this one:
- *
- * for (var i = 0, person; person = people[i]; i++) {}
- *
- * You can silence this error on a per-use basis by surrounding the assignment
- * with parenthesis, such as:
- *
- * for (var i = 0, person; (person = people[i]); i++) {}
- */
- boss : true,
- /**
- * This option suppresses warnings about the use of `eval`. The use of
- * `eval` is discouraged because it can make your code vulnerable to
- * various injection attacks and it makes it hard for JavaScript
- * interpreter to do certain optimizations.
- */
- evil : true,
- /**
- * This option suppresses warnings about the use of global strict mode.
- * Global strict mode can break third-party widgets so it is not
- * recommended.
- *
- * For more info about strict mode see the `strict` option.
- *
- * @deprecated Use `strict: "global"`.
- */
- globalstrict: true,
- /**
- * This option prohibits the use of unary increment and decrement
- * operators. Some people think that `++` and `--` reduces the quality of
- * their coding styles and there are programming languages—such as
- * Python—that go completely without these operators.
- */
- plusplus : true,
- /**
- * This option suppresses warnings about the `__proto__` property.
- */
- proto : true,
- /**
- * This option suppresses warnings about the use of script-targeted
- * URLs—such as `javascript:...`.
- */
- scripturl : true,
- /**
- * This option suppresses warnings about using `[]` notation when it can be
- * expressed in dot notation: `person['name']` vs. `person.name`.
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness.
- * If you would like to enforce rules relating to code style,
- * check out [the JSCS
- * project](https://github.com/jscs-dev/node-jscs).
- */
- sub : true,
- /**
- * This option suppresses warnings about "weird" constructions like
- * `new function () { ... }` and `new Object;`. Such constructions are
- * sometimes used to produce singletons in JavaScript:
- *
- * var singleton = new function() {
- * var privateVar;
- *
- * this.publicMethod = function () {}
- * this.publicMethod2 = function () {}
- * };
- */
- supernew : true,
- /**
- * This option suppresses most of the warnings about possibly unsafe line
- * breakings in your code. It doesn't suppress warnings about comma-first
- * coding style. To suppress those you have to use `laxcomma` (see below).
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness.
- * If you would like to enforce rules relating to code style,
- * check out [the JSCS
- * project](https://github.com/jscs-dev/node-jscs).
- */
- laxbreak : true,
- /**
- * This option suppresses warnings about comma-first coding style:
- *
- * var obj = {
- * name: 'Anton'
- * , handle: 'valueof'
- * , role: 'SW Engineer'
- * };
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness.
- * If you would like to enforce rules relating to code style,
- * check out [the JSCS
- * project](https://github.com/jscs-dev/node-jscs).
- */
- laxcomma : true,
- /**
- * This option suppresses warnings about possible strict violations when
- * the code is running in strict mode and you use `this` in a
- * non-constructor function. You should use this option—in a function scope
- * only—when you are positive that your use of `this` is valid in the
- * strict mode (for example, if you call your function using
- * `Function.call`).
- *
- * **Note:** This option can be used only inside of a function scope.
- * JSHint will fail with an error if you will try to set this option
- * globally.
- */
- validthis : true,
- /**
- * This option suppresses warnings about the use of the `with` statement.
- * The semantics of the `with` statement can cause confusion among
- * developers and accidental definition of global variables.
- *
- * More info:
- *
- * * [with Statement Considered
- * Harmful](http://yuiblog.com/blog/2006/04/11/with-statement-considered-harmful/)
- */
- withstmt : true,
- /**
- * This options tells JSHint that your code uses Mozilla JavaScript
- * extensions. Unless you develop specifically for the Firefox web browser
- * you don't need this option.
- *
- * More info:
- *
- * * [New in JavaScript
- * 1.7](https://developer.mozilla.org/en-US/docs/JavaScript/New_in_JavaScript/1.7)
- */
- moz : true,
- /**
- * This option suppresses warnings about generator functions with no
- * `yield` statement in them.
- */
- noyield : true,
- /**
- * This option suppresses warnings about `== null` comparisons. Such
- * comparisons are often useful when you want to check if a variable is
- * `null` or `undefined`.
- */
- eqnull : true,
- /**
- * This option suppresses warnings about missing semicolons, but only when
- * the semicolon is omitted for the last statement in a one-line block:
- *
- * var name = (function() { return 'Anton' }());
- *
- * This is a very niche use case that is useful only when you use automatic
- * JavaScript code generators.
- */
- lastsemic : true,
- /**
- * This option suppresses warnings about functions inside of loops.
- * Defining functions inside of loops can lead to bugs such as this one:
- *
- * var nums = [];
- *
- * for (var i = 0; i < 10; i++) {
- * nums[i] = function (j) {
- * return i + j;
- * };
- * }
- *
- * nums[0](2); // Prints 12 instead of 2
- *
- * To fix the code above you need to copy the value of `i`:
- *
- * var nums = [];
- *
- * for (var i = 0; i < 10; i++) {
- * (function (i) {
- * nums[i] = function (j) {
- * return i + j;
- * };
- * }(i));
- * }
- */
- loopfunc : true,
- /**
- * This option suppresses warnings about the use of expressions where
- * normally you would expect to see assignments or function calls. Most of
- * the time, such code is a typo. However, it is not forbidden by the spec
- * and that's why this warning is optional.
- */
- expr : true,
- /**
- * This option tells JSHint that your code uses ECMAScript 6 specific
- * syntax. Note that these features are not finalized yet and not all
- * browsers implement them.
- *
- * More info:
- *
- * * [Specification for ECMAScript
- * 6](http://www.ecma-international.org/ecma-262/6.0/index.html)
- *
- * @deprecated Use `esversion: 6` instead.
- */
- esnext : true,
- /**
- * This option tells JSHint that your code uses ES3 array elision elements,
- * or empty elements (for example, `[1, , , 4, , , 7]`).
- */
- elision : true,
- },
- // Third party globals
- environments: {
- /**
- * This option defines globals exposed by the
- * [MooTools](http://mootools.net/) JavaScript framework.
- */
- mootools : true,
- /**
- * This option defines globals exposed by
- * [CouchDB](http://couchdb.apache.org/). CouchDB is a document-oriented
- * database that can be queried and indexed in a MapReduce fashion using
- * JavaScript.
- */
- couch : true,
- /**
- * This option defines globals exposed by [the Jasmine unit testing
- * framework](https://jasmine.github.io/).
- */
- jasmine : true,
- /**
- * This option defines globals exposed by the [jQuery](http://jquery.com/)
- * JavaScript library.
- */
- jquery : true,
- /**
- * This option defines globals available when your code is running inside
- * of the Node runtime environment. [Node.js](http://nodejs.org/) is a
- * server-side JavaScript environment that uses an asynchronous
- * event-driven model. This option also skips some warnings that make sense
- * in the browser environments but don't make sense in Node such as
- * file-level `use strict` pragmas and `console.log` statements.
- */
- node : true,
- /**
- * This option defines globals exposed by [the QUnit unit testing
- * framework](http://qunitjs.com/).
- */
- qunit : true,
- /**
- * This option defines globals available when your code is running inside
- * of the Rhino runtime environment. [Rhino](http://www.mozilla.org/rhino/)
- * is an open-source implementation of JavaScript written entirely in Java.
- */
- rhino : true,
- /**
- * This option defines globals exposed by [the ShellJS
- * library](http://documentup.com/arturadib/shelljs).
- */
- shelljs : true,
- /**
- * This option defines globals exposed by the
- * [Prototype](http://www.prototypejs.org/) JavaScript framework.
- */
- prototypejs : true,
- /**
- * This option defines globals exposed by the [YUI](http://yuilibrary.com/)
- * JavaScript framework.
- */
- yui : true,
- /**
- * This option defines globals exposed by the "BDD" and "TDD" UIs of the
- * [Mocha unit testing framework](http://mochajs.org/).
- */
- mocha : true,
- /**
- * This option informs JSHint that the input code describes an ECMAScript 6
- * module. All module code is interpreted as strict mode code.
- */
- module : true,
- /**
- * This option defines globals available when your code is running as a
- * script for the [Windows Script
- * Host](http://en.wikipedia.org/wiki/Windows_Script_Host).
- */
- wsh : true,
- /**
- * This option defines globals available when your code is running inside
- * of a Web Worker. [Web
- * Workers](https://developer.mozilla.org/en/Using_web_workers) provide a
- * simple means for web content to run scripts in background threads.
- */
- worker : true,
- /**
- * This option defines non-standard but widely adopted globals such as
- * `escape` and `unescape`.
- */
- nonstandard : true,
- /**
- * This option defines globals exposed by modern browsers: all the way from
- * good old `document` and `navigator` to the HTML5 `FileReader` and other
- * new developments in the browser world.
- *
- * **Note:** This option doesn't expose variables like `alert` or
- * `console`. See option `devel` for more information.
- */
- browser : true,
- /**
- * This option defines globals available when using [the Browserify
- * tool](http://browserify.org/) to build a project.
- */
- browserify : true,
- /**
- * This option defines globals that are usually used for logging poor-man's
- * debugging: `console`, `alert`, etc. It is usually a good idea to not
- * ship them in production because, for example, `console.log` breaks in
- * legacy versions of Internet Explorer.
- */
- devel : true,
- /**
- * This option defines globals exposed by the [Dojo
- * Toolkit](http://dojotoolkit.org/).
- */
- dojo : true,
- /**
- * This option defines globals for typed array constructors.
- *
- * More info:
- *
- * * [JavaScript typed
- * arrays](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Typed_arrays)
- */
- typed : true,
- /**
- * This option defines globals available when your core is running inside
- * of the PhantomJS runtime environment. [PhantomJS](http://phantomjs.org/)
- * is a headless WebKit scriptable with a JavaScript API. It has fast and
- * native support for various web standards: DOM handling, CSS selector,
- * JSON, Canvas, and SVG.
- */
- phantom : true
- },
- // Obsolete options
- obsolete: {
- onecase : true, // if one case switch statements should be allowed
- regexp : true, // if the . should not be allowed in regexp literals
- regexdash : true // if unescaped first/last dash (-) inside brackets
- // should be tolerated
- }
- };
- // These are the JSHint options that can take any value
- // (we use this object to detect invalid options)
- exports.val = {
- /**
- * This option lets you set the maximum length of a line.
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness. If
- * you would like to enforce rules relating to code style, check
- * out [the JSCS project](https://github.com/jscs-dev/node-jscs).
- */
- maxlen : false,
- /**
- * This option sets a specific tab width for your code.
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness. If
- * you would like to enforce rules relating to code style, check
- * out [the JSCS project](https://github.com/jscs-dev/node-jscs).
- */
- indent : false,
- /**
- * This options allows you to set the maximum amount of warnings JSHint will
- * produce before giving up. Default is 50.
- */
- maxerr : false,
- /**
- * This option allows you to control which variables JSHint considers to be
- * implicitly defined in the environment. Configure it with an array of
- * string values. Prefixing a variable name with a hyphen (-) character will
- * remove that name from the collection of predefined variables.
- *
- * JSHint will consider variables declared in this way to be read-only.
- *
- * This option cannot be specified in-line; it may only be used via the
- * JavaScript API or from an external configuration file.
- */
- predef : false,
- /**
- * This option can be used to specify a white list of global variables that
- * are not formally defined in the source code. This is most useful when
- * combined with the `undef` option in order to suppress warnings for
- * project-specific global variables.
- *
- * Setting an entry to `true` enables reading and writing to that variable.
- * Setting it to `false` will trigger JSHint to consider that variable
- * read-only.
- *
- * See also the "environment" options: a set of options to be used as short
- * hand for enabling global variables defined in common JavaScript
- * environments.
- *
- * To configure `globals` within an individual file, see [Inline
- * Configuration](http://jshint.com/docs/#inline-configuration).
- */
- globals : false,
- /**
- * This option enforces the consistency of quotation marks used throughout
- * your code. It accepts three values: `true` if you don't want to enforce
- * one particular style but want some consistency, `"single"` if you want to
- * allow only single quotes and `"double"` if you want to allow only double
- * quotes.
- *
- * @deprecated JSHint is limiting its scope to issues of code correctness. If
- * you would like to enforce rules relating to code style, check
- * out [the JSCS project](https://github.com/jscs-dev/node-jscs).
- */
- quotmark : false,
- scope : false,
- /**
- * This option lets you set the max number of statements allowed per function:
- *
- * // jshint maxstatements:4
- *
- * function main() {
- * var i = 0;
- * var j = 0;
- *
- * // Function declarations count as one statement. Their bodies
- * // don't get taken into account for the outer function.
- * function inner() {
- * var i2 = 1;
- * var j2 = 1;
- *
- * return i2 + j2;
- * }
- *
- * j = i + j;
- * return j; // JSHint: Too many statements per function. (5)
- * }
- */
- maxstatements: false,
- /**
- * This option lets you control how nested do you want your blocks to be:
- *
- * // jshint maxdepth:2
- *
- * function main(meaning) {
- * var day = true;
- *
- * if (meaning === 42) {
- * while (day) {
- * shuffle();
- *
- * if (tired) { // JSHint: Blocks are nested too deeply (3).
- * sleep();
- * }
- * }
- * }
- * }
- */
- maxdepth : false,
- /**
- * This option lets you set the max number of formal parameters allowed per
- * function:
- *
- * // jshint maxparams:3
- *
- * function login(request, onSuccess) {
- * // ...
- * }
- *
- * // JSHint: Too many parameters per function (4).
- * function logout(request, isManual, whereAmI, onSuccess) {
- * // ...
- * }
- */
- maxparams : false,
- /**
- * This option lets you control cyclomatic complexity throughout your code.
- * Cyclomatic complexity measures the number of linearly independent paths
- * through a program's source code. Read more about [cyclomatic complexity on
- * Wikipedia](http://en.wikipedia.org/wiki/Cyclomatic_complexity).
- */
- maxcomplexity: false,
- /**
- * This option suppresses warnings about variable shadowing i.e. declaring a
- * variable that had been already declared somewhere in the outer scope.
- *
- * - "inner" - check for variables defined in the same scope only
- * - "outer" - check for variables defined in outer scopes as well
- * - false - same as inner
- * - true - allow variable shadowing
- */
- shadow : false,
- /**
- * This option requires the code to run in ECMAScript 5's strict mode.
- * [Strict mode](https://developer.mozilla.org/en/JavaScript/Strict_mode)
- * is a way to opt in to a restricted variant of JavaScript. Strict mode
- * eliminates some JavaScript pitfalls that didn't cause errors by changing
- * them to produce errors. It also fixes mistakes that made it difficult
- * for the JavaScript engines to perform certain optimizations.
- *
- * - "func" - there must be a `"use strict";` directive at function level
- * - "global" - there must be a `"use strict";` directive at global level
- * - "implied" - lint the code as if there is the `"use strict";` directive
- * - false - disable warnings about strict mode
- * - true - same as `"func"`, but environment options have precedence over
- * this (e.g. `node`, `module`, `browserify` and `phantomjs` can
- * set `strict: global`)
- */
- strict : true,
- /**
- * This option warns when you define and never use your variables. It is very
- * useful for general code cleanup, especially when used in addition to
- * `undef`.
- *
- * // jshint unused:true
- *
- * function test(a, b) {
- * var c, d = 2;
- *
- * return a + d;
- * }
- *
- * test(1, 2);
- *
- * // Line 3: 'b' was defined but never used.
- * // Line 4: 'c' was defined but never used.
- *
- * In addition to that, this option will warn you about unused global
- * variables declared via the `global` directive.
- *
- * This can be set to `vars` to only check for variables, not function
- * parameters, or `strict` to check all variables and parameters. The
- * default (true) behavior is to allow unused parameters that are followed by
- * a used parameter.
- */
- unused : true,
- /**
- * This option prohibits the use of a variable before it was defined.
- * JavaScript has function scope only and, in addition to that, all variables
- * are always moved—or hoisted— to the top of the function. This behavior can
- * lead to some very nasty bugs and that's why it is safer to always use
- * variable only after they have been explicitly defined.
- *
- * Setting this option to "nofunc" will allow function declarations to be
- * ignored.
- *
- * For more in-depth understanding of scoping and hoisting in JavaScript,
- * read [JavaScript Scoping and
- * Hoisting](http://www.adequatelygood.com/2010/2/JavaScript-Scoping-and-Hoisting)
- * by Ben Cherry.
- */
- latedef : false,
- ignore : false, // start/end ignoring lines of code, bypassing the lexer
- // start - start ignoring lines, including the current line
- // end - stop ignoring lines, starting on the next line
- // line - ignore warnings / errors for just a single line
- // (this option does not bypass the lexer)
- ignoreDelimiters: false, // array of start/end delimiters used to ignore
- // certain chunks from code
- /**
- * This option is used to specify the ECMAScript version to which the code
- * must adhere. It can assume one of the following values:
- * - `3` - If you need your program to be executable
- * in older browsers—such as Internet Explorer 6/7/8/9—and other legacy
- * JavaScript environments
- * - `5` - To enable syntax first defined in [the ECMAScript 5.1
- * specification](http://www.ecma-international.org/ecma-262/5.1/index.html).
- * This includes allowing reserved keywords as object properties.
- * - `6` - To tell JSHint that your code uses [ECMAScript
- * 6](http://www.ecma-international.org/ecma-262/6.0/index.html) specific
- * syntax. Note that not all browsers implement them.
- */
- esversion: 5
- };
- // These are JSHint boolean options which are shared with JSLint
- // where the definition in JSHint is opposite JSLint
- exports.inverted = {
- bitwise : true,
- forin : true,
- newcap : true,
- plusplus: true,
- regexp : true,
- undef : true,
- // Inverted and renamed, use JSHint name here
- eqeqeq : true,
- strict : true
- };
- exports.validNames = Object.keys(exports.val)
- .concat(Object.keys(exports.bool.relaxing))
- .concat(Object.keys(exports.bool.enforcing))
- .concat(Object.keys(exports.bool.obsolete))
- .concat(Object.keys(exports.bool.environments));
- // These are JSHint boolean options which are shared with JSLint
- // where the name has been changed but the effect is unchanged
- exports.renamed = {
- eqeq : "eqeqeq",
- windows: "wsh",
- sloppy : "strict"
- };
- exports.removed = {
- nomen: true,
- onevar: true,
- passfail: true,
- white: true,
- gcl: true,
- smarttabs: true,
- trailing: true
- };
- // Add options here which should not be automatically enforced by
- // `enforceall`.
- exports.noenforceall = {
- varstmt: true,
- strict: true
- };
- },{}],"/node_modules/jshint/src/reg.js":[function(_dereq_,module,exports){
- /*
- * Regular expressions. Some of these are stupidly long.
- */
- /*jshint maxlen:1000 */
- "use strict";
- // Unsafe comment or string (ax)
- exports.unsafeString =
- /@cc|<\/?|script|\]\s*\]|<\s*!|</i;
- // Unsafe characters that are silently deleted by one or more browsers (cx)
- exports.unsafeChars =
- /[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
- // Characters in strings that need escaping (nx and nxg)
- exports.needEsc =
- /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
- exports.needEscGlobal =
- /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
- // Star slash (lx)
- exports.starSlash = /\*\//;
- // Identifier (ix)
- exports.identifier = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
- // JavaScript URL (jx)
- exports.javascriptURL = /^(?:javascript|jscript|ecmascript|vbscript|livescript)\s*:/i;
- // Catches /* falls through */ comments (ft)
- exports.fallsThrough = /^\s*falls?\sthrough\s*$/;
- // very conservative rule (eg: only one space between the start of the comment and the first character)
- // to relax the maxlen option
- exports.maxlenException = /^(?:(?:\/\/|\/\*|\*) ?)?[^ ]+$/;
- },{}],"/node_modules/jshint/src/scope-manager.js":[function(_dereq_,module,exports){
- "use strict";
- var _ = _dereq_("../lodash");
- var events = _dereq_("events");
- // Used to denote membership in lookup tables (a primitive value such as `true`
- // would be silently rejected for the property name "__proto__" in some
- // environments)
- var marker = {};
- /**
- * Creates a scope manager that handles variables and labels, storing usages
- * and resolving when variables are used and undefined
- */
- var scopeManager = function(state, predefined, exported, declared) {
- var _current;
- var _scopeStack = [];
- function _newScope(type) {
- _current = {
- "(labels)": Object.create(null),
- "(usages)": Object.create(null),
- "(breakLabels)": Object.create(null),
- "(parent)": _current,
- "(type)": type,
- "(params)": (type === "functionparams" || type === "catchparams") ? [] : null
- };
- _scopeStack.push(_current);
- }
- _newScope("global");
- _current["(predefined)"] = predefined;
- var _currentFunctBody = _current; // this is the block after the params = function
- var usedPredefinedAndGlobals = Object.create(null);
- var impliedGlobals = Object.create(null);
- var unuseds = [];
- var emitter = new events.EventEmitter();
- function warning(code, token) {
- emitter.emit("warning", {
- code: code,
- token: token,
- data: _.slice(arguments, 2)
- });
- }
- function error(code, token) {
- emitter.emit("warning", {
- code: code,
- token: token,
- data: _.slice(arguments, 2)
- });
- }
- function _setupUsages(labelName) {
- if (!_current["(usages)"][labelName]) {
- _current["(usages)"][labelName] = {
- "(modified)": [],
- "(reassigned)": [],
- "(tokens)": []
- };
- }
- }
- var _getUnusedOption = function(unused_opt) {
- if (unused_opt === undefined) {
- unused_opt = state.option.unused;
- }
- if (unused_opt === true) {
- unused_opt = "last-param";
- }
- return unused_opt;
- };
- var _warnUnused = function(name, tkn, type, unused_opt) {
- var line = tkn.line;
- var chr = tkn.from;
- var raw_name = tkn.raw_text || name;
- unused_opt = _getUnusedOption(unused_opt);
- var warnable_types = {
- "vars": ["var"],
- "last-param": ["var", "param"],
- "strict": ["var", "param", "last-param"]
- };
- if (unused_opt) {
- if (warnable_types[unused_opt] && warnable_types[unused_opt].indexOf(type) !== -1) {
- warning("W098", { line: line, from: chr }, raw_name);
- }
- }
- // inconsistent - see gh-1894
- if (unused_opt || type === "var") {
- unuseds.push({
- name: name,
- line: line,
- character: chr
- });
- }
- };
- /**
- * Checks the current scope for unused identifiers
- */
- function _checkForUnused() {
- // function params are handled specially
- // assume that parameters are the only thing declared in the param scope
- if (_current["(type)"] === "functionparams") {
- _checkParams();
- return;
- }
- var curentLabels = _current["(labels)"];
- for (var labelName in curentLabels) {
- if (curentLabels[labelName]) {
- if (curentLabels[labelName]["(type)"] !== "exception" &&
- curentLabels[labelName]["(unused)"]) {
- _warnUnused(labelName, curentLabels[labelName]["(token)"], "var");
- }
- }
- }
- }
- /**
- * Checks the current scope for unused parameters
- * Must be called in a function parameter scope
- */
- function _checkParams() {
- var params = _current["(params)"];
- if (!params) {
- return;
- }
- var param = params.pop();
- var unused_opt;
- while (param) {
- var label = _current["(labels)"][param];
- unused_opt = _getUnusedOption(state.funct["(unusedOption)"]);
- // 'undefined' is a special case for (function(window, undefined) { ... })();
- // patterns.
- if (param === "undefined")
- return;
- if (label["(unused)"]) {
- _warnUnused(param, label["(token)"], "param", state.funct["(unusedOption)"]);
- } else if (unused_opt === "last-param") {
- return;
- }
- param = params.pop();
- }
- }
- /**
- * Finds the relevant label's scope, searching from nearest outwards
- * @returns {Object} the scope the label was found in
- */
- function _getLabel(labelName) {
- for (var i = _scopeStack.length - 1 ; i >= 0; --i) {
- var scopeLabels = _scopeStack[i]["(labels)"];
- if (scopeLabels[labelName]) {
- return scopeLabels;
- }
- }
- }
- function usedSoFarInCurrentFunction(labelName) {
- // used so far in this whole function and any sub functions
- for (var i = _scopeStack.length - 1; i >= 0; i--) {
- var current = _scopeStack[i];
- if (current["(usages)"][labelName]) {
- return current["(usages)"][labelName];
- }
- if (current === _currentFunctBody) {
- break;
- }
- }
- return false;
- }
- function _checkOuterShadow(labelName, token) {
- // only check if shadow is outer
- if (state.option.shadow !== "outer") {
- return;
- }
- var isGlobal = _currentFunctBody["(type)"] === "global",
- isNewFunction = _current["(type)"] === "functionparams";
- var outsideCurrentFunction = !isGlobal;
- for (var i = 0; i < _scopeStack.length; i++) {
- var stackItem = _scopeStack[i];
- if (!isNewFunction && _scopeStack[i + 1] === _currentFunctBody) {
- outsideCurrentFunction = false;
- }
- if (outsideCurrentFunction && stackItem["(labels)"][labelName]) {
- warning("W123", token, labelName);
- }
- if (stackItem["(breakLabels)"][labelName]) {
- warning("W123", token, labelName);
- }
- }
- }
- function _latedefWarning(type, labelName, token) {
- if (state.option.latedef) {
- // if either latedef is strict and this is a function
- // or this is not a function
- if ((state.option.latedef === true && type === "function") ||
- type !== "function") {
- warning("W003", token, labelName);
- }
- }
- }
- var scopeManagerInst = {
- on: function(names, listener) {
- names.split(" ").forEach(function(name) {
- emitter.on(name, listener);
- });
- },
- isPredefined: function(labelName) {
- return !this.has(labelName) && _.has(_scopeStack[0]["(predefined)"], labelName);
- },
- /**
- * Tell the manager we are entering a new block of code
- * @param {string} [type] - The type of the block. Valid values are
- * "functionparams", "catchparams" and
- * "functionouter"
- */
- stack: function(type) {
- var previousScope = _current;
- _newScope(type);
- if (!type && previousScope["(type)"] === "functionparams") {
- _current["(isFuncBody)"] = true;
- _current["(context)"] = _currentFunctBody;
- _currentFunctBody = _current;
- }
- },
- unstack: function() {
- // jshint proto: true
- var subScope = _scopeStack.length > 1 ? _scopeStack[_scopeStack.length - 2] : null;
- var isUnstackingFunctionBody = _current === _currentFunctBody,
- isUnstackingFunctionParams = _current["(type)"] === "functionparams",
- isUnstackingFunctionOuter = _current["(type)"] === "functionouter";
- var i, j;
- var currentUsages = _current["(usages)"];
- var currentLabels = _current["(labels)"];
- var usedLabelNameList = Object.keys(currentUsages);
- if (currentUsages.__proto__ && usedLabelNameList.indexOf("__proto__") === -1) {
- usedLabelNameList.push("__proto__");
- }
- for (i = 0; i < usedLabelNameList.length; i++) {
- var usedLabelName = usedLabelNameList[i];
- var usage = currentUsages[usedLabelName];
- var usedLabel = currentLabels[usedLabelName];
- if (usedLabel) {
- var usedLabelType = usedLabel["(type)"];
- if (usedLabel["(useOutsideOfScope)"] && !state.option.funcscope) {
- var usedTokens = usage["(tokens)"];
- if (usedTokens) {
- for (j = 0; j < usedTokens.length; j++) {
- // Keep the consistency of https://github.com/jshint/jshint/issues/2409
- if (usedLabel["(function)"] === usedTokens[j]["(function)"]) {
- error("W038", usedTokens[j], usedLabelName);
- }
- }
- }
- }
- // mark the label used
- _current["(labels)"][usedLabelName]["(unused)"] = false;
- // check for modifying a const
- if (usedLabelType === "const" && usage["(modified)"]) {
- for (j = 0; j < usage["(modified)"].length; j++) {
- error("E013", usage["(modified)"][j], usedLabelName);
- }
- }
- // check for re-assigning a function declaration
- if ((usedLabelType === "function" || usedLabelType === "class") &&
- usage["(reassigned)"]) {
- for (j = 0; j < usage["(reassigned)"].length; j++) {
- error("W021", usage["(reassigned)"][j], usedLabelName, usedLabelType);
- }
- }
- continue;
- }
- if (isUnstackingFunctionOuter) {
- state.funct["(isCapturing)"] = true;
- }
- if (subScope) {
- // not exiting the global scope, so copy the usage down in case its an out of scope usage
- if (!subScope["(usages)"][usedLabelName]) {
- subScope["(usages)"][usedLabelName] = usage;
- if (isUnstackingFunctionBody) {
- subScope["(usages)"][usedLabelName]["(onlyUsedSubFunction)"] = true;
- }
- } else {
- var subScopeUsage = subScope["(usages)"][usedLabelName];
- subScopeUsage["(modified)"] = subScopeUsage["(modified)"].concat(usage["(modified)"]);
- subScopeUsage["(tokens)"] = subScopeUsage["(tokens)"].concat(usage["(tokens)"]);
- subScopeUsage["(reassigned)"] =
- subScopeUsage["(reassigned)"].concat(usage["(reassigned)"]);
- subScopeUsage["(onlyUsedSubFunction)"] = false;
- }
- } else {
- // this is exiting global scope, so we finalise everything here - we are at the end of the file
- if (typeof _current["(predefined)"][usedLabelName] === "boolean") {
- // remove the declared token, so we know it is used
- delete declared[usedLabelName];
- // note it as used so it can be reported
- usedPredefinedAndGlobals[usedLabelName] = marker;
- // check for re-assigning a read-only (set to false) predefined
- if (_current["(predefined)"][usedLabelName] === false && usage["(reassigned)"]) {
- for (j = 0; j < usage["(reassigned)"].length; j++) {
- warning("W020", usage["(reassigned)"][j]);
- }
- }
- }
- else {
- // label usage is not predefined and we have not found a declaration
- // so report as undeclared
- if (usage["(tokens)"]) {
- for (j = 0; j < usage["(tokens)"].length; j++) {
- var undefinedToken = usage["(tokens)"][j];
- // if its not a forgiven undefined (e.g. typof x)
- if (!undefinedToken.forgiveUndef) {
- // if undef is on and undef was on when the token was defined
- if (state.option.undef && !undefinedToken.ignoreUndef) {
- warning("W117", undefinedToken, usedLabelName);
- }
- if (impliedGlobals[usedLabelName]) {
- impliedGlobals[usedLabelName].line.push(undefinedToken.line);
- } else {
- impliedGlobals[usedLabelName] = {
- name: usedLabelName,
- line: [undefinedToken.line]
- };
- }
- }
- }
- }
- }
- }
- }
- // if exiting the global scope, we can warn about declared globals that haven't been used yet
- if (!subScope) {
- Object.keys(declared)
- .forEach(function(labelNotUsed) {
- _warnUnused(labelNotUsed, declared[labelNotUsed], "var");
- });
- }
- // if we have a sub scope we can copy too and we are still within the function boundary
- if (subScope && !isUnstackingFunctionBody &&
- !isUnstackingFunctionParams && !isUnstackingFunctionOuter) {
- var labelNames = Object.keys(currentLabels);
- for (i = 0; i < labelNames.length; i++) {
- var defLabelName = labelNames[i];
- // if its function scoped and
- // not already defined (caught with shadow, shouldn't also trigger out of scope)
- if (!currentLabels[defLabelName]["(blockscoped)"] &&
- currentLabels[defLabelName]["(type)"] !== "exception" &&
- !this.funct.has(defLabelName, { excludeCurrent: true })) {
- subScope["(labels)"][defLabelName] = currentLabels[defLabelName];
- // we do not warn about out of scope usages in the global scope
- if (_currentFunctBody["(type)"] !== "global") {
- subScope["(labels)"][defLabelName]["(useOutsideOfScope)"] = true;
- }
- delete currentLabels[defLabelName];
- }
- }
- }
- _checkForUnused();
- _scopeStack.pop();
- if (isUnstackingFunctionBody) {
- _currentFunctBody = _scopeStack[_.findLastIndex(_scopeStack, function(scope) {
- // if function or if global (which is at the bottom so it will only return true if we call back)
- return scope["(isFuncBody)"] || scope["(type)"] === "global";
- })];
- }
- _current = subScope;
- },
- /**
- * Add a param to the current scope
- * @param {string} labelName
- * @param {Token} token
- * @param {string} [type="param"] param type
- */
- addParam: function(labelName, token, type) {
- type = type || "param";
- if (type === "exception") {
- // if defined in the current function
- var previouslyDefinedLabelType = this.funct.labeltype(labelName);
- if (previouslyDefinedLabelType && previouslyDefinedLabelType !== "exception") {
- // and has not been used yet in the current function scope
- if (!state.option.node) {
- warning("W002", state.tokens.next, labelName);
- }
- }
- }
- // The variable was declared in the current scope
- if (_.has(_current["(labels)"], labelName)) {
- _current["(labels)"][labelName].duplicated = true;
- // The variable was declared in an outer scope
- } else {
- // if this scope has the variable defined, it's a re-definition error
- _checkOuterShadow(labelName, token, type);
- _current["(labels)"][labelName] = {
- "(type)" : type,
- "(token)": token,
- "(unused)": true };
- _current["(params)"].push(labelName);
- }
- if (_.has(_current["(usages)"], labelName)) {
- var usage = _current["(usages)"][labelName];
- // if its in a sub function it is not necessarily an error, just latedef
- if (usage["(onlyUsedSubFunction)"]) {
- _latedefWarning(type, labelName, token);
- } else {
- // this is a clear illegal usage for block scoped variables
- warning("E056", token, labelName, type);
- }
- }
- },
- validateParams: function() {
- // This method only concerns errors for function parameters
- if (_currentFunctBody["(type)"] === "global") {
- return;
- }
- var isStrict = state.isStrict();
- var currentFunctParamScope = _currentFunctBody["(parent)"];
- if (!currentFunctParamScope["(params)"]) {
- return;
- }
- currentFunctParamScope["(params)"].forEach(function(labelName) {
- var label = currentFunctParamScope["(labels)"][labelName];
- if (label && label.duplicated) {
- if (isStrict) {
- warning("E011", label["(token)"], labelName);
- } else if (state.option.shadow !== true) {
- warning("W004", label["(token)"], labelName);
- }
- }
- });
- },
- getUsedOrDefinedGlobals: function() {
- // jshint proto: true
- var list = Object.keys(usedPredefinedAndGlobals);
- // If `__proto__` is used as a global variable name, its entry in the
- // lookup table may not be enumerated by `Object.keys` (depending on the
- // environment).
- if (usedPredefinedAndGlobals.__proto__ === marker &&
- list.indexOf("__proto__") === -1) {
- list.push("__proto__");
- }
- return list;
- },
- /**
- * Gets an array of implied globals
- * @returns {Array.<{ name: string, line: Array.<number>}>}
- */
- getImpliedGlobals: function() {
- // jshint proto: true
- var values = _.values(impliedGlobals);
- var hasProto = false;
- // If `__proto__` is an implied global variable, its entry in the lookup
- // table may not be enumerated by `_.values` (depending on the
- // environment).
- if (impliedGlobals.__proto__) {
- hasProto = values.some(function(value) {
- return value.name === "__proto__";
- });
- if (!hasProto) {
- values.push(impliedGlobals.__proto__);
- }
- }
- return values;
- },
- /**
- * Returns a list of unused variables
- * @returns {Array}
- */
- getUnuseds: function() {
- return unuseds;
- },
- has: function(labelName) {
- return Boolean(_getLabel(labelName));
- },
- labeltype: function(labelName) {
- // returns a labels type or null if not present
- var scopeLabels = _getLabel(labelName);
- if (scopeLabels) {
- return scopeLabels[labelName]["(type)"];
- }
- return null;
- },
- /**
- * for the exported options, indicating a variable is used outside the file
- */
- addExported: function(labelName) {
- var globalLabels = _scopeStack[0]["(labels)"];
- if (_.has(declared, labelName)) {
- // remove the declared token, so we know it is used
- delete declared[labelName];
- } else if (_.has(globalLabels, labelName)) {
- globalLabels[labelName]["(unused)"] = false;
- } else {
- for (var i = 1; i < _scopeStack.length; i++) {
- var scope = _scopeStack[i];
- // if `scope.(type)` is not defined, it is a block scope
- if (!scope["(type)"]) {
- if (_.has(scope["(labels)"], labelName) &&
- !scope["(labels)"][labelName]["(blockscoped)"]) {
- scope["(labels)"][labelName]["(unused)"] = false;
- return;
- }
- } else {
- break;
- }
- }
- exported[labelName] = true;
- }
- },
- /**
- * Mark an indentifier as es6 module exported
- */
- setExported: function(labelName, token) {
- this.block.use(labelName, token);
- },
- /**
- * adds an indentifier to the relevant current scope and creates warnings/errors as necessary
- * @param {string} labelName
- * @param {Object} opts
- * @param {String} opts.type - the type of the label e.g. "param", "var", "let, "const", "function"
- * @param {Token} opts.token - the token pointing at the declaration
- */
- addlabel: function(labelName, opts) {
- var type = opts.type;
- var token = opts.token;
- var isblockscoped = type === "let" || type === "const" || type === "class";
- var isexported = (isblockscoped ? _current : _currentFunctBody)["(type)"] === "global" &&
- _.has(exported, labelName);
- // outer shadow check (inner is only on non-block scoped)
- _checkOuterShadow(labelName, token, type);
- // if is block scoped (let or const)
- if (isblockscoped) {
- var declaredInCurrentScope = _current["(labels)"][labelName];
- // for block scoped variables, params are seen in the current scope as the root function
- // scope, so check these too.
- if (!declaredInCurrentScope && _current === _currentFunctBody &&
- _current["(type)"] !== "global") {
- declaredInCurrentScope = !!_currentFunctBody["(parent)"]["(labels)"][labelName];
- }
- // if its not already defined (which is an error, so ignore) and is used in TDZ
- if (!declaredInCurrentScope && _current["(usages)"][labelName]) {
- var usage = _current["(usages)"][labelName];
- // if its in a sub function it is not necessarily an error, just latedef
- if (usage["(onlyUsedSubFunction)"]) {
- _latedefWarning(type, labelName, token);
- } else {
- // this is a clear illegal usage for block scoped variables
- warning("E056", token, labelName, type);
- }
- }
- // if this scope has the variable defined, its a re-definition error
- if (declaredInCurrentScope) {
- warning("E011", token, labelName);
- }
- else if (state.option.shadow === "outer") {
- // if shadow is outer, for block scope we want to detect any shadowing within this function
- if (scopeManagerInst.funct.has(labelName)) {
- warning("W004", token, labelName);
- }
- }
- scopeManagerInst.block.add(labelName, type, token, !isexported);
- } else {
- var declaredInCurrentFunctionScope = scopeManagerInst.funct.has(labelName);
- // check for late definition, ignore if already declared
- if (!declaredInCurrentFunctionScope && usedSoFarInCurrentFunction(labelName)) {
- _latedefWarning(type, labelName, token);
- }
- // defining with a var or a function when a block scope variable of the same name
- // is in scope is an error
- if (scopeManagerInst.funct.has(labelName, { onlyBlockscoped: true })) {
- warning("E011", token, labelName);
- } else if (state.option.shadow !== true) {
- // now since we didn't get any block scope variables, test for var/function
- // shadowing
- if (declaredInCurrentFunctionScope && labelName !== "__proto__") {
- // see https://github.com/jshint/jshint/issues/2400
- if (_currentFunctBody["(type)"] !== "global") {
- warning("W004", token, labelName);
- }
- }
- }
- scopeManagerInst.funct.add(labelName, type, token, !isexported);
- if (_currentFunctBody["(type)"] === "global") {
- usedPredefinedAndGlobals[labelName] = marker;
- }
- }
- },
- funct: {
- /**
- * Returns the label type given certain options
- * @param labelName
- * @param {Object=} options
- * @param {Boolean=} options.onlyBlockscoped - only include block scoped labels
- * @param {Boolean=} options.excludeParams - exclude the param scope
- * @param {Boolean=} options.excludeCurrent - exclude the current scope
- * @returns {String}
- */
- labeltype: function(labelName, options) {
- var onlyBlockscoped = options && options.onlyBlockscoped;
- var excludeParams = options && options.excludeParams;
- var currentScopeIndex = _scopeStack.length - (options && options.excludeCurrent ? 2 : 1);
- for (var i = currentScopeIndex; i >= 0; i--) {
- var current = _scopeStack[i];
- if (current["(labels)"][labelName] &&
- (!onlyBlockscoped || current["(labels)"][labelName]["(blockscoped)"])) {
- return current["(labels)"][labelName]["(type)"];
- }
- var scopeCheck = excludeParams ? _scopeStack[ i - 1 ] : current;
- if (scopeCheck && scopeCheck["(type)"] === "functionparams") {
- return null;
- }
- }
- return null;
- },
- /**
- * Returns if a break label exists in the function scope
- * @param {string} labelName
- * @returns {boolean}
- */
- hasBreakLabel: function(labelName) {
- for (var i = _scopeStack.length - 1; i >= 0; i--) {
- var current = _scopeStack[i];
- if (current["(breakLabels)"][labelName]) {
- return true;
- }
- if (current["(type)"] === "functionparams") {
- return false;
- }
- }
- return false;
- },
- /**
- * Returns if the label is in the current function scope
- * See scopeManager.funct.labelType for options
- */
- has: function(labelName, options) {
- return Boolean(this.labeltype(labelName, options));
- },
- /**
- * Adds a new function scoped variable
- * see block.add for block scoped
- */
- add: function(labelName, type, tok, unused) {
- _current["(labels)"][labelName] = {
- "(type)" : type,
- "(token)": tok,
- "(blockscoped)": false,
- "(function)": _currentFunctBody,
- "(unused)": unused };
- }
- },
- block: {
- /**
- * is the current block global?
- * @returns Boolean
- */
- isGlobal: function() {
- return _current["(type)"] === "global";
- },
- use: function(labelName, token) {
- // if resolves to current function params, then do not store usage just resolve
- // this is because function(a) { var a; a = a; } will resolve to the param, not
- // to the unset var
- // first check the param is used
- var paramScope = _currentFunctBody["(parent)"];
- if (paramScope && paramScope["(labels)"][labelName] &&
- paramScope["(labels)"][labelName]["(type)"] === "param") {
- // then check its not declared by a block scope variable
- if (!scopeManagerInst.funct.has(labelName,
- { excludeParams: true, onlyBlockscoped: true })) {
- paramScope["(labels)"][labelName]["(unused)"] = false;
- }
- }
- if (token && (state.ignored.W117 || state.option.undef === false)) {
- token.ignoreUndef = true;
- }
- _setupUsages(labelName);
- if (token) {
- token["(function)"] = _currentFunctBody;
- _current["(usages)"][labelName]["(tokens)"].push(token);
- }
- },
- reassign: function(labelName, token) {
- this.modify(labelName, token);
- _current["(usages)"][labelName]["(reassigned)"].push(token);
- },
- modify: function(labelName, token) {
- _setupUsages(labelName);
- _current["(usages)"][labelName]["(modified)"].push(token);
- },
- /**
- * Adds a new variable
- */
- add: function(labelName, type, tok, unused) {
- _current["(labels)"][labelName] = {
- "(type)" : type,
- "(token)": tok,
- "(blockscoped)": true,
- "(unused)": unused };
- },
- addBreakLabel: function(labelName, opts) {
- var token = opts.token;
- if (scopeManagerInst.funct.hasBreakLabel(labelName)) {
- warning("E011", token, labelName);
- }
- else if (state.option.shadow === "outer") {
- if (scopeManagerInst.funct.has(labelName)) {
- warning("W004", token, labelName);
- } else {
- _checkOuterShadow(labelName, token);
- }
- }
- _current["(breakLabels)"][labelName] = token;
- }
- }
- };
- return scopeManagerInst;
- };
- module.exports = scopeManager;
- },{"../lodash":"/node_modules/jshint/lodash.js","events":"/node_modules/browserify/node_modules/events/events.js"}],"/node_modules/jshint/src/state.js":[function(_dereq_,module,exports){
- "use strict";
- var NameStack = _dereq_("./name-stack.js");
- var state = {
- syntax: {},
- /**
- * Determine if the code currently being linted is strict mode code.
- *
- * @returns {boolean}
- */
- isStrict: function() {
- return this.directive["use strict"] || this.inClassBody ||
- this.option.module || this.option.strict === "implied";
- },
- // Assumption: chronologically ES3 < ES5 < ES6 < Moz
- inMoz: function() {
- return this.option.moz;
- },
- /**
- * @param {boolean} strict - When `true`, only consider ES6 when in
- * "esversion: 6" code and *not* in "moz".
- */
- inES6: function() {
- return this.option.moz || this.option.esversion >= 6;
- },
- /**
- * @param {boolean} strict - When `true`, return `true` only when
- * esversion is exactly 5
- */
- inES5: function(strict) {
- if (strict) {
- return (!this.option.esversion || this.option.esversion === 5) && !this.option.moz;
- }
- return !this.option.esversion || this.option.esversion >= 5 || this.option.moz;
- },
- reset: function() {
- this.tokens = {
- prev: null,
- next: null,
- curr: null
- };
- this.option = {};
- this.funct = null;
- this.ignored = {};
- this.directive = {};
- this.jsonMode = false;
- this.jsonWarnings = [];
- this.lines = [];
- this.tab = "";
- this.cache = {}; // Node.JS doesn't have Map. Sniff.
- this.ignoredLines = {};
- this.forinifcheckneeded = false;
- this.nameStack = new NameStack();
- this.inClassBody = false;
- }
- };
- exports.state = state;
- },{"./name-stack.js":"/node_modules/jshint/src/name-stack.js"}],"/node_modules/jshint/src/style.js":[function(_dereq_,module,exports){
- "use strict";
- exports.register = function(linter) {
- // Check for properties named __proto__. This special property was
- // deprecated and then re-introduced for ES6.
- linter.on("Identifier", function style_scanProto(data) {
- if (linter.getOption("proto")) {
- return;
- }
- if (data.name === "__proto__") {
- linter.warn("W103", {
- line: data.line,
- char: data.char,
- data: [ data.name, "6" ]
- });
- }
- });
- // Check for properties named __iterator__. This is a special property
- // available only in browsers with JavaScript 1.7 implementation, but
- // it is deprecated for ES6
- linter.on("Identifier", function style_scanIterator(data) {
- if (linter.getOption("iterator")) {
- return;
- }
- if (data.name === "__iterator__") {
- linter.warn("W103", {
- line: data.line,
- char: data.char,
- data: [ data.name ]
- });
- }
- });
- // Check that all identifiers are using camelCase notation.
- // Exceptions: names like MY_VAR and _myVar.
- linter.on("Identifier", function style_scanCamelCase(data) {
- if (!linter.getOption("camelcase")) {
- return;
- }
- if (data.name.replace(/^_+|_+$/g, "").indexOf("_") > -1 && !data.name.match(/^[A-Z0-9_]*$/)) {
- linter.warn("W106", {
- line: data.line,
- char: data.from,
- data: [ data.name ]
- });
- }
- });
- // Enforce consistency in style of quoting.
- linter.on("String", function style_scanQuotes(data) {
- var quotmark = linter.getOption("quotmark");
- var code;
- if (!quotmark) {
- return;
- }
- // If quotmark is set to 'single' warn about all double-quotes.
- if (quotmark === "single" && data.quote !== "'") {
- code = "W109";
- }
- // If quotmark is set to 'double' warn about all single-quotes.
- if (quotmark === "double" && data.quote !== "\"") {
- code = "W108";
- }
- // If quotmark is set to true, remember the first quotation style
- // and then warn about all others.
- if (quotmark === true) {
- if (!linter.getCache("quotmark")) {
- linter.setCache("quotmark", data.quote);
- }
- if (linter.getCache("quotmark") !== data.quote) {
- code = "W110";
- }
- }
- if (code) {
- linter.warn(code, {
- line: data.line,
- char: data.char,
- });
- }
- });
- linter.on("Number", function style_scanNumbers(data) {
- if (data.value.charAt(0) === ".") {
- // Warn about a leading decimal point.
- linter.warn("W008", {
- line: data.line,
- char: data.char,
- data: [ data.value ]
- });
- }
- if (data.value.substr(data.value.length - 1) === ".") {
- // Warn about a trailing decimal point.
- linter.warn("W047", {
- line: data.line,
- char: data.char,
- data: [ data.value ]
- });
- }
- if (/^00+/.test(data.value)) {
- // Multiple leading zeroes.
- linter.warn("W046", {
- line: data.line,
- char: data.char,
- data: [ data.value ]
- });
- }
- });
- // Warn about script URLs.
- linter.on("String", function style_scanJavaScriptURLs(data) {
- var re = /^(?:javascript|jscript|ecmascript|vbscript|livescript)\s*:/i;
- if (linter.getOption("scripturl")) {
- return;
- }
- if (re.test(data.value)) {
- linter.warn("W107", {
- line: data.line,
- char: data.char
- });
- }
- });
- };
- },{}],"/node_modules/jshint/src/vars.js":[function(_dereq_,module,exports){
- // jshint -W001
- "use strict";
- // Identifiers provided by the ECMAScript standard.
- exports.reservedVars = {
- arguments : false,
- NaN : false
- };
- exports.ecmaIdentifiers = {
- 3: {
- Array : false,
- Boolean : false,
- Date : false,
- decodeURI : false,
- decodeURIComponent : false,
- encodeURI : false,
- encodeURIComponent : false,
- Error : false,
- "eval" : false,
- EvalError : false,
- Function : false,
- hasOwnProperty : false,
- isFinite : false,
- isNaN : false,
- Math : false,
- Number : false,
- Object : false,
- parseInt : false,
- parseFloat : false,
- RangeError : false,
- ReferenceError : false,
- RegExp : false,
- String : false,
- SyntaxError : false,
- TypeError : false,
- URIError : false
- },
- 5: {
- JSON : false
- },
- 6: {
- Map : false,
- Promise : false,
- Proxy : false,
- Reflect : false,
- Set : false,
- Symbol : false,
- WeakMap : false,
- WeakSet : false
- }
- };
- // Global variables commonly provided by a web browser environment.
- exports.browser = {
- Audio : false,
- Blob : false,
- addEventListener : false,
- applicationCache : false,
- atob : false,
- blur : false,
- btoa : false,
- cancelAnimationFrame : false,
- CanvasGradient : false,
- CanvasPattern : false,
- CanvasRenderingContext2D: false,
- CSS : false,
- clearInterval : false,
- clearTimeout : false,
- close : false,
- closed : false,
- Comment : false,
- CustomEvent : false,
- DOMParser : false,
- defaultStatus : false,
- Document : false,
- document : false,
- DocumentFragment : false,
- Element : false,
- ElementTimeControl : false,
- Event : false,
- event : false,
- fetch : false,
- FileReader : false,
- FormData : false,
- focus : false,
- frames : false,
- getComputedStyle : false,
- HTMLElement : false,
- HTMLAnchorElement : false,
- HTMLBaseElement : false,
- HTMLBlockquoteElement: false,
- HTMLBodyElement : false,
- HTMLBRElement : false,
- HTMLButtonElement : false,
- HTMLCanvasElement : false,
- HTMLCollection : false,
- HTMLDirectoryElement : false,
- HTMLDivElement : false,
- HTMLDListElement : false,
- HTMLFieldSetElement : false,
- HTMLFontElement : false,
- HTMLFormElement : false,
- HTMLFrameElement : false,
- HTMLFrameSetElement : false,
- HTMLHeadElement : false,
- HTMLHeadingElement : false,
- HTMLHRElement : false,
- HTMLHtmlElement : false,
- HTMLIFrameElement : false,
- HTMLImageElement : false,
- HTMLInputElement : false,
- HTMLIsIndexElement : false,
- HTMLLabelElement : false,
- HTMLLayerElement : false,
- HTMLLegendElement : false,
- HTMLLIElement : false,
- HTMLLinkElement : false,
- HTMLMapElement : false,
- HTMLMenuElement : false,
- HTMLMetaElement : false,
- HTMLModElement : false,
- HTMLObjectElement : false,
- HTMLOListElement : false,
- HTMLOptGroupElement : false,
- HTMLOptionElement : false,
- HTMLParagraphElement : false,
- HTMLParamElement : false,
- HTMLPreElement : false,
- HTMLQuoteElement : false,
- HTMLScriptElement : false,
- HTMLSelectElement : false,
- HTMLStyleElement : false,
- HTMLTableCaptionElement: false,
- HTMLTableCellElement : false,
- HTMLTableColElement : false,
- HTMLTableElement : false,
- HTMLTableRowElement : false,
- HTMLTableSectionElement: false,
- HTMLTemplateElement : false,
- HTMLTextAreaElement : false,
- HTMLTitleElement : false,
- HTMLUListElement : false,
- HTMLVideoElement : false,
- history : false,
- Image : false,
- Intl : false,
- length : false,
- localStorage : false,
- location : false,
- matchMedia : false,
- MessageChannel : false,
- MessageEvent : false,
- MessagePort : false,
- MouseEvent : false,
- moveBy : false,
- moveTo : false,
- MutationObserver : false,
- name : false,
- Node : false,
- NodeFilter : false,
- NodeList : false,
- Notification : false,
- navigator : false,
- onbeforeunload : true,
- onblur : true,
- onerror : true,
- onfocus : true,
- onload : true,
- onresize : true,
- onunload : true,
- open : false,
- openDatabase : false,
- opener : false,
- Option : false,
- parent : false,
- performance : false,
- print : false,
- Range : false,
- requestAnimationFrame : false,
- removeEventListener : false,
- resizeBy : false,
- resizeTo : false,
- screen : false,
- scroll : false,
- scrollBy : false,
- scrollTo : false,
- sessionStorage : false,
- setInterval : false,
- setTimeout : false,
- SharedWorker : false,
- status : false,
- SVGAElement : false,
- SVGAltGlyphDefElement: false,
- SVGAltGlyphElement : false,
- SVGAltGlyphItemElement: false,
- SVGAngle : false,
- SVGAnimateColorElement: false,
- SVGAnimateElement : false,
- SVGAnimateMotionElement: false,
- SVGAnimateTransformElement: false,
- SVGAnimatedAngle : false,
- SVGAnimatedBoolean : false,
- SVGAnimatedEnumeration: false,
- SVGAnimatedInteger : false,
- SVGAnimatedLength : false,
- SVGAnimatedLengthList: false,
- SVGAnimatedNumber : false,
- SVGAnimatedNumberList: false,
- SVGAnimatedPathData : false,
- SVGAnimatedPoints : false,
- SVGAnimatedPreserveAspectRatio: false,
- SVGAnimatedRect : false,
- SVGAnimatedString : false,
- SVGAnimatedTransformList: false,
- SVGAnimationElement : false,
- SVGCSSRule : false,
- SVGCircleElement : false,
- SVGClipPathElement : false,
- SVGColor : false,
- SVGColorProfileElement: false,
- SVGColorProfileRule : false,
- SVGComponentTransferFunctionElement: false,
- SVGCursorElement : false,
- SVGDefsElement : false,
- SVGDescElement : false,
- SVGDocument : false,
- SVGElement : false,
- SVGElementInstance : false,
- SVGElementInstanceList: false,
- SVGEllipseElement : false,
- SVGExternalResourcesRequired: false,
- SVGFEBlendElement : false,
- SVGFEColorMatrixElement: false,
- SVGFEComponentTransferElement: false,
- SVGFECompositeElement: false,
- SVGFEConvolveMatrixElement: false,
- SVGFEDiffuseLightingElement: false,
- SVGFEDisplacementMapElement: false,
- SVGFEDistantLightElement: false,
- SVGFEFloodElement : false,
- SVGFEFuncAElement : false,
- SVGFEFuncBElement : false,
- SVGFEFuncGElement : false,
- SVGFEFuncRElement : false,
- SVGFEGaussianBlurElement: false,
- SVGFEImageElement : false,
- SVGFEMergeElement : false,
- SVGFEMergeNodeElement: false,
- SVGFEMorphologyElement: false,
- SVGFEOffsetElement : false,
- SVGFEPointLightElement: false,
- SVGFESpecularLightingElement: false,
- SVGFESpotLightElement: false,
- SVGFETileElement : false,
- SVGFETurbulenceElement: false,
- SVGFilterElement : false,
- SVGFilterPrimitiveStandardAttributes: false,
- SVGFitToViewBox : false,
- SVGFontElement : false,
- SVGFontFaceElement : false,
- SVGFontFaceFormatElement: false,
- SVGFontFaceNameElement: false,
- SVGFontFaceSrcElement: false,
- SVGFontFaceUriElement: false,
- SVGForeignObjectElement: false,
- SVGGElement : false,
- SVGGlyphElement : false,
- SVGGlyphRefElement : false,
- SVGGradientElement : false,
- SVGHKernElement : false,
- SVGICCColor : false,
- SVGImageElement : false,
- SVGLangSpace : false,
- SVGLength : false,
- SVGLengthList : false,
- SVGLineElement : false,
- SVGLinearGradientElement: false,
- SVGLocatable : false,
- SVGMPathElement : false,
- SVGMarkerElement : false,
- SVGMaskElement : false,
- SVGMatrix : false,
- SVGMetadataElement : false,
- SVGMissingGlyphElement: false,
- SVGNumber : false,
- SVGNumberList : false,
- SVGPaint : false,
- SVGPathElement : false,
- SVGPathSeg : false,
- SVGPathSegArcAbs : false,
- SVGPathSegArcRel : false,
- SVGPathSegClosePath : false,
- SVGPathSegCurvetoCubicAbs: false,
- SVGPathSegCurvetoCubicRel: false,
- SVGPathSegCurvetoCubicSmoothAbs: false,
- SVGPathSegCurvetoCubicSmoothRel: false,
- SVGPathSegCurvetoQuadraticAbs: false,
- SVGPathSegCurvetoQuadraticRel: false,
- SVGPathSegCurvetoQuadraticSmoothAbs: false,
- SVGPathSegCurvetoQuadraticSmoothRel: false,
- SVGPathSegLinetoAbs : false,
- SVGPathSegLinetoHorizontalAbs: false,
- SVGPathSegLinetoHorizontalRel: false,
- SVGPathSegLinetoRel : false,
- SVGPathSegLinetoVerticalAbs: false,
- SVGPathSegLinetoVerticalRel: false,
- SVGPathSegList : false,
- SVGPathSegMovetoAbs : false,
- SVGPathSegMovetoRel : false,
- SVGPatternElement : false,
- SVGPoint : false,
- SVGPointList : false,
- SVGPolygonElement : false,
- SVGPolylineElement : false,
- SVGPreserveAspectRatio: false,
- SVGRadialGradientElement: false,
- SVGRect : false,
- SVGRectElement : false,
- SVGRenderingIntent : false,
- SVGSVGElement : false,
- SVGScriptElement : false,
- SVGSetElement : false,
- SVGStopElement : false,
- SVGStringList : false,
- SVGStylable : false,
- SVGStyleElement : false,
- SVGSwitchElement : false,
- SVGSymbolElement : false,
- SVGTRefElement : false,
- SVGTSpanElement : false,
- SVGTests : false,
- SVGTextContentElement: false,
- SVGTextElement : false,
- SVGTextPathElement : false,
- SVGTextPositioningElement: false,
- SVGTitleElement : false,
- SVGTransform : false,
- SVGTransformList : false,
- SVGTransformable : false,
- SVGURIReference : false,
- SVGUnitTypes : false,
- SVGUseElement : false,
- SVGVKernElement : false,
- SVGViewElement : false,
- SVGViewSpec : false,
- SVGZoomAndPan : false,
- Text : false,
- TextDecoder : false,
- TextEncoder : false,
- TimeEvent : false,
- top : false,
- URL : false,
- WebGLActiveInfo : false,
- WebGLBuffer : false,
- WebGLContextEvent : false,
- WebGLFramebuffer : false,
- WebGLProgram : false,
- WebGLRenderbuffer : false,
- WebGLRenderingContext: false,
- WebGLShader : false,
- WebGLShaderPrecisionFormat: false,
- WebGLTexture : false,
- WebGLUniformLocation : false,
- WebSocket : false,
- window : false,
- Window : false,
- Worker : false,
- XDomainRequest : false,
- XMLHttpRequest : false,
- XMLSerializer : false,
- XPathEvaluator : false,
- XPathException : false,
- XPathExpression : false,
- XPathNamespace : false,
- XPathNSResolver : false,
- XPathResult : false
- };
- exports.devel = {
- alert : false,
- confirm: false,
- console: false,
- Debug : false,
- opera : false,
- prompt : false
- };
- exports.worker = {
- importScripts : true,
- postMessage : true,
- self : true,
- FileReaderSync : true
- };
- // Widely adopted global names that are not part of ECMAScript standard
- exports.nonstandard = {
- escape : false,
- unescape: false
- };
- // Globals provided by popular JavaScript environments.
- exports.couch = {
- "require" : false,
- respond : false,
- getRow : false,
- emit : false,
- send : false,
- start : false,
- sum : false,
- log : false,
- exports : false,
- module : false,
- provides : false
- };
- exports.node = {
- __filename : false,
- __dirname : false,
- GLOBAL : false,
- global : false,
- module : false,
- require : false,
- // These globals are writeable because Node allows the following
- // usage pattern: var Buffer = require("buffer").Buffer;
- Buffer : true,
- console : true,
- exports : true,
- process : true,
- setTimeout : true,
- clearTimeout : true,
- setInterval : true,
- clearInterval : true,
- setImmediate : true, // v0.9.1+
- clearImmediate: true // v0.9.1+
- };
- exports.browserify = {
- __filename : false,
- __dirname : false,
- global : false,
- module : false,
- require : false,
- Buffer : true,
- exports : true,
- process : true
- };
- exports.phantom = {
- phantom : true,
- require : true,
- WebPage : true,
- console : true, // in examples, but undocumented
- exports : true // v1.7+
- };
- exports.qunit = {
- asyncTest : false,
- deepEqual : false,
- equal : false,
- expect : false,
- module : false,
- notDeepEqual : false,
- notEqual : false,
- notPropEqual : false,
- notStrictEqual : false,
- ok : false,
- propEqual : false,
- QUnit : false,
- raises : false,
- start : false,
- stop : false,
- strictEqual : false,
- test : false,
- "throws" : false
- };
- exports.rhino = {
- defineClass : false,
- deserialize : false,
- gc : false,
- help : false,
- importClass : false,
- importPackage: false,
- "java" : false,
- load : false,
- loadClass : false,
- Packages : false,
- print : false,
- quit : false,
- readFile : false,
- readUrl : false,
- runCommand : false,
- seal : false,
- serialize : false,
- spawn : false,
- sync : false,
- toint32 : false,
- version : false
- };
- exports.shelljs = {
- target : false,
- echo : false,
- exit : false,
- cd : false,
- pwd : false,
- ls : false,
- find : false,
- cp : false,
- rm : false,
- mv : false,
- mkdir : false,
- test : false,
- cat : false,
- sed : false,
- grep : false,
- which : false,
- dirs : false,
- pushd : false,
- popd : false,
- env : false,
- exec : false,
- chmod : false,
- config : false,
- error : false,
- tempdir : false
- };
- exports.typed = {
- ArrayBuffer : false,
- ArrayBufferView : false,
- DataView : false,
- Float32Array : false,
- Float64Array : false,
- Int16Array : false,
- Int32Array : false,
- Int8Array : false,
- Uint16Array : false,
- Uint32Array : false,
- Uint8Array : false,
- Uint8ClampedArray : false
- };
- exports.wsh = {
- ActiveXObject : true,
- Enumerator : true,
- GetObject : true,
- ScriptEngine : true,
- ScriptEngineBuildVersion : true,
- ScriptEngineMajorVersion : true,
- ScriptEngineMinorVersion : true,
- VBArray : true,
- WSH : true,
- WScript : true,
- XDomainRequest : true
- };
- // Globals provided by popular JavaScript libraries.
- exports.dojo = {
- dojo : false,
- dijit : false,
- dojox : false,
- define : false,
- "require": false
- };
- exports.jquery = {
- "$" : false,
- jQuery : false
- };
- exports.mootools = {
- "$" : false,
- "$$" : false,
- Asset : false,
- Browser : false,
- Chain : false,
- Class : false,
- Color : false,
- Cookie : false,
- Core : false,
- Document : false,
- DomReady : false,
- DOMEvent : false,
- DOMReady : false,
- Drag : false,
- Element : false,
- Elements : false,
- Event : false,
- Events : false,
- Fx : false,
- Group : false,
- Hash : false,
- HtmlTable : false,
- IFrame : false,
- IframeShim : false,
- InputValidator: false,
- instanceOf : false,
- Keyboard : false,
- Locale : false,
- Mask : false,
- MooTools : false,
- Native : false,
- Options : false,
- OverText : false,
- Request : false,
- Scroller : false,
- Slick : false,
- Slider : false,
- Sortables : false,
- Spinner : false,
- Swiff : false,
- Tips : false,
- Type : false,
- typeOf : false,
- URI : false,
- Window : false
- };
- exports.prototypejs = {
- "$" : false,
- "$$" : false,
- "$A" : false,
- "$F" : false,
- "$H" : false,
- "$R" : false,
- "$break" : false,
- "$continue" : false,
- "$w" : false,
- Abstract : false,
- Ajax : false,
- Class : false,
- Enumerable : false,
- Element : false,
- Event : false,
- Field : false,
- Form : false,
- Hash : false,
- Insertion : false,
- ObjectRange : false,
- PeriodicalExecuter: false,
- Position : false,
- Prototype : false,
- Selector : false,
- Template : false,
- Toggle : false,
- Try : false,
- Autocompleter : false,
- Builder : false,
- Control : false,
- Draggable : false,
- Draggables : false,
- Droppables : false,
- Effect : false,
- Sortable : false,
- SortableObserver : false,
- Sound : false,
- Scriptaculous : false
- };
- exports.yui = {
- YUI : false,
- Y : false,
- YUI_config: false
- };
- exports.mocha = {
- // Global (for config etc.)
- mocha : false,
- // BDD
- describe : false,
- xdescribe : false,
- it : false,
- xit : false,
- context : false,
- xcontext : false,
- before : false,
- after : false,
- beforeEach : false,
- afterEach : false,
- // TDD
- suite : false,
- test : false,
- setup : false,
- teardown : false,
- suiteSetup : false,
- suiteTeardown : false
- };
- exports.jasmine = {
- jasmine : false,
- describe : false,
- xdescribe : false,
- it : false,
- xit : false,
- beforeEach : false,
- afterEach : false,
- setFixtures : false,
- loadFixtures: false,
- spyOn : false,
- expect : false,
- // Jasmine 1.3
- runs : false,
- waitsFor : false,
- waits : false,
- // Jasmine 2.1
- beforeAll : false,
- afterAll : false,
- fail : false,
- fdescribe : false,
- fit : false,
- pending : false
- };
- },{}]},{},["/node_modules/jshint/src/jshint.js"]);
- });
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