12375 lines
345 KiB
JavaScript
12375 lines
345 KiB
JavaScript
|
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"]);
|
||
|
|
|
||
|
|
});
|