mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-09 10:27:49 +00:00
Change project structure.
This commit is contained in:
285
lodash.js
285
lodash.js
@@ -1,6 +1,7 @@
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/**
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* @license
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* Lo-Dash 3.0.0-pre <https://lodash.com/>
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* Lo-Dash 3.0.0-pre (Custom Build) <https://lodash.com/>
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* Build: `lodash modern -o ./lodash.js`
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* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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@@ -129,12 +130,6 @@
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'window', 'WinRTError'
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];
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/** Used to fix the JScript `[[DontEnum]]` bug. */
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var shadowProps = [
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'constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable',
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'toLocaleString', 'toString', 'valueOf'
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];
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/** Used to make template sourceURLs easier to identify. */
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var templateCounter = -1;
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@@ -691,26 +686,6 @@
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return -1;
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}
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/**
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* Checks if `value` is a host object in IE < 9.
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*
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* @private
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a host object, else `false`.
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*/
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var isHostObject = (function() {
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try {
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Object({ 'toString': 0 } + '');
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} catch(e) {
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return function() { return false; };
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}
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return function(value) {
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// IE < 9 presents many host objects as `Object` objects that can coerce
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// to strings despite having improperly defined `toString` methods.
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return typeof value.toString != 'function' && typeof (value + '') == 'string';
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};
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}());
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/**
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* Checks if `value` is a valid array-like index.
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*
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@@ -900,9 +875,7 @@
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/** Used for native method references. */
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var arrayProto = Array.prototype,
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errorProto = Error.prototype,
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objectProto = Object.prototype,
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stringProto = String.prototype;
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objectProto = Object.prototype;
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/** Used to detect DOM support. */
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var document = (document = context.window) && document.document;
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@@ -996,34 +969,6 @@
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/** Used to store function metadata. */
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var metaMap = WeakMap && new WeakMap;
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/** Used to lookup a built-in constructor by `toStringTag`. */
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var ctorByTag = {};
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ctorByTag[float32Tag] = context.Float32Array;
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ctorByTag[float64Tag] = context.Float64Array;
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ctorByTag[int8Tag] = context.Int8Array;
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ctorByTag[int16Tag] = context.Int16Array;
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ctorByTag[int32Tag] = context.Int32Array;
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ctorByTag[uint8Tag] = context.Uint8Array;
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ctorByTag[uint8ClampedTag] = context.Uint8ClampedArray;
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ctorByTag[uint16Tag] = context.Uint16Array;
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ctorByTag[uint32Tag] = context.Uint32Array;
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/** Used to avoid iterating over non-enumerable properties in IE < 9. */
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var nonEnumProps = {};
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nonEnumProps[arrayTag] = nonEnumProps[dateTag] = nonEnumProps[numberTag] = { 'constructor': true, 'toLocaleString': true, 'toString': true, 'valueOf': true };
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nonEnumProps[boolTag] = nonEnumProps[stringTag] = { 'constructor': true, 'toString': true, 'valueOf': true };
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nonEnumProps[errorTag] = nonEnumProps[funcTag] = nonEnumProps[regexpTag] = { 'constructor': true, 'toString': true };
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nonEnumProps[objectTag] = { 'constructor': true };
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arrayEach(shadowProps, function(key) {
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for (var tag in nonEnumProps) {
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if (hasOwnProperty.call(nonEnumProps, tag)) {
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||||
var props = nonEnumProps[tag];
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props[key] = hasOwnProperty.call(props, key);
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}
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}
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});
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/*------------------------------------------------------------------------*/
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/**
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@@ -1143,44 +1088,6 @@
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var support = lodash.support = {};
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(function(x) {
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var Ctor = function() { this.x = 1; },
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object = { '0': 1, 'length': 1 },
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props = [];
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||||
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Ctor.prototype = { 'valueOf': 1, 'y': 1 };
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for (var key in new Ctor) { props.push(key); }
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/**
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* Detect if the `toStringTag` of `arguments` objects is resolvable
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* (all but Firefox < 4, IE < 9).
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||||
*
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||||
* @memberOf _.support
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* @type boolean
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||||
*/
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||||
support.argsTag = objToString.call(arguments) == argsTag;
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||||
|
||||
/**
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||||
* Detect if `name` or `message` properties of `Error.prototype` are
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||||
* enumerable by default (IE < 9, Safari < 5.1).
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||||
*
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||||
* @memberOf _.support
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||||
* @type boolean
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||||
*/
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||||
support.enumErrorProps = propertyIsEnumerable.call(errorProto, 'message') ||
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||||
propertyIsEnumerable.call(errorProto, 'name');
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||||
|
||||
/**
|
||||
* Detect if `prototype` properties are enumerable by default.
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*
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||||
* Firefox < 3.6, Opera > 9.50 - Opera < 11.60, and Safari < 5.1
|
||||
* (if the prototype or a property on the prototype has been set)
|
||||
* incorrectly set the `[[Enumerable]]` value of a function's `prototype`
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||||
* property to `true`.
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||||
*
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||||
* @memberOf _.support
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||||
* @type boolean
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||||
*/
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||||
support.enumPrototypes = propertyIsEnumerable.call(Ctor, 'prototype');
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||||
|
||||
/**
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||||
* Detect if functions can be decompiled by `Function#toString`
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||||
@@ -1200,69 +1107,6 @@
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||||
*/
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||||
support.funcNames = typeof Function.name == 'string';
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||||
/**
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||||
* Detect if the `toStringTag` of DOM nodes is resolvable (all but IE < 9).
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||||
*
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||||
* @memberOf _.support
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||||
* @type boolean
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||||
*/
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||||
support.nodeTag = objToString.call(document) != objectTag;
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||||
|
||||
/**
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||||
* Detect if string indexes are non-enumerable
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||||
* (IE < 9, RingoJS, Rhino, Narwhal).
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||||
*
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||||
* @memberOf _.support
|
||||
* @type boolean
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||||
*/
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||||
support.nonEnumStrings = !propertyIsEnumerable.call('x', 0);
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||||
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||||
/**
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||||
* Detect if properties shadowing those on `Object.prototype` are
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||||
* non-enumerable.
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||||
*
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||||
* In IE < 9 an object's own properties, shadowing non-enumerable ones,
|
||||
* are made non-enumerable as well (a.k.a the JScript `[[DontEnum]]` bug).
|
||||
*
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||||
* @memberOf _.support
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||||
* @type boolean
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||||
*/
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||||
support.nonEnumShadows = !/valueOf/.test(props);
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||||
|
||||
/**
|
||||
* Detect if own properties are iterated after inherited properties (IE < 9).
|
||||
*
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||||
* @memberOf _.support
|
||||
* @type boolean
|
||||
*/
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||||
support.ownLast = props[0] != 'x';
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||||
|
||||
/**
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||||
* Detect if `Array#shift` and `Array#splice` augment array-like objects
|
||||
* correctly.
|
||||
*
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||||
* Firefox < 10, compatibility modes of IE 8, and IE < 9 have buggy Array `shift()`
|
||||
* and `splice()` functions that fail to remove the last element, `value[0]`,
|
||||
* of array-like objects even though the `length` property is set to `0`.
|
||||
* The `shift()` method is buggy in compatibility modes of IE 8, while `splice()`
|
||||
* is buggy regardless of mode in IE < 9.
|
||||
*
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||||
* @memberOf _.support
|
||||
* @type boolean
|
||||
*/
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||||
support.spliceObjects = (splice.call(object, 0, 1), !object[0]);
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||||
|
||||
/**
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||||
* Detect lack of support for accessing string characters by index.
|
||||
*
|
||||
* IE < 8 can't access characters by index. IE 8 can only access characters
|
||||
* by index on string literals, not string objects.
|
||||
*
|
||||
* @memberOf _.support
|
||||
* @type boolean
|
||||
*/
|
||||
support.unindexedChars = ('x'[0] + Object('x')[0]) != 'xx';
|
||||
|
||||
/**
|
||||
* Detect if the DOM is supported.
|
||||
*
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||||
@@ -2280,10 +2124,6 @@
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||||
othIsArg = othTag == argsTag,
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||||
othIsArr = !othIsArg && arrayLikeTags[othTag];
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||||
|
||||
if (!lodash.support.argsTag) {
|
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objIsArg = !objIsArr && typeof object.length == 'number' && isArguments(object);
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||||
othIsArg = !othIsArr && typeof other.length == 'number' && isArguments(other);
|
||||
}
|
||||
if (objIsArg) {
|
||||
object = argsToObject(object);
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||||
objTag = objectTag;
|
||||
@@ -2292,8 +2132,8 @@
|
||||
other = argsToObject(other);
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||||
othTag = objectTag;
|
||||
}
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||||
var objIsObj = objTag == objectTag && !isHostObject(object),
|
||||
othIsObj = othTag == objectTag && !isHostObject(other),
|
||||
var objIsObj = objTag == objectTag,
|
||||
othIsObj = othTag == objectTag,
|
||||
isSameTag = objTag == othTag;
|
||||
|
||||
if (isSameTag && !(objIsArr || objIsObj)) {
|
||||
@@ -3595,7 +3435,7 @@
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||||
}
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||||
var Ctor = object.constructor,
|
||||
tag = objToString.call(object),
|
||||
isArgs = tag == argsTag || (!lodash.support.argsTag && isArguments(object)),
|
||||
isArgs = tag == argsTag,
|
||||
isObj = tag == objectTag;
|
||||
|
||||
if (isObj && !(typeof Ctor == 'function' && Ctor instanceof Ctor)) {
|
||||
@@ -3619,10 +3459,6 @@
|
||||
case float32Tag: case float64Tag:
|
||||
case int8Tag: case int16Tag: case int32Tag:
|
||||
case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
|
||||
// Safari 5 mobile incorrectly has `Object` as the constructor of typed arrays.
|
||||
if (Ctor instanceof Ctor) {
|
||||
Ctor = ctorByTag[tag];
|
||||
}
|
||||
var buffer = object.buffer;
|
||||
return new Ctor(isDeep ? bufferClone(buffer) : buffer, object.byteOffset, object.length);
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||||
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@@ -3646,7 +3482,7 @@
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||||
*/
|
||||
function isArrayLike(value) {
|
||||
return (isObjectLike(value) && isLength(value.length) &&
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||||
(arrayLikeTags[objToString.call(value)] || (!lodash.support.argsTag && isArguments(value)))) || false;
|
||||
(arrayLikeTags[objToString.call(value)])) || false;
|
||||
}
|
||||
|
||||
/**
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||||
@@ -3682,7 +3518,7 @@
|
||||
* @returns {boolean} Returns `true` if `value` is cloneable, else `false`.
|
||||
*/
|
||||
function isCloneable(value) {
|
||||
return (value && cloneableTags[objToString.call(value)] && !isHostObject(value)) || false;
|
||||
return (value && cloneableTags[objToString.call(value)]) || false;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -3923,23 +3759,15 @@
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support = lodash.support;
|
||||
|
||||
// Exit early for non `Object` objects.
|
||||
if (!(isObjectLike(value) && objToString.call(value) == objectTag && !isHostObject(value)) ||
|
||||
if (!(isObjectLike(value) && objToString.call(value) == objectTag) ||
|
||||
(!hasOwnProperty.call(value, 'constructor') &&
|
||||
(Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor))) ||
|
||||
(!support.argsTag && isArguments(value))) {
|
||||
(Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) {
|
||||
return false;
|
||||
}
|
||||
// IE < 9 iterates inherited properties before own properties. If the first
|
||||
// iterated property is an object's own property then there are no inherited
|
||||
// enumerable properties.
|
||||
var result;
|
||||
if (support.ownLast) {
|
||||
baseForIn(value, function(subValue, key, object) {
|
||||
result = hasOwnProperty.call(object, key);
|
||||
return false;
|
||||
});
|
||||
return result !== false;
|
||||
}
|
||||
// In most environments an object's own properties are iterated before
|
||||
// its inherited properties. If the last iterated property is an object's
|
||||
// own property then there are no inherited enumerable properties.
|
||||
@@ -3964,8 +3792,7 @@
|
||||
support = lodash.support;
|
||||
|
||||
var allowIndexes = length && isLength(length) &&
|
||||
(isArray(object) || (support.nonEnumStrings && isString(object)) ||
|
||||
(support.nonEnumArgs && isArguments(object)));
|
||||
(isArray(object) || (support.nonEnumArgs && isArguments(object)));
|
||||
|
||||
var index = -1,
|
||||
result = [];
|
||||
@@ -3993,9 +3820,6 @@
|
||||
if (!isLength(value.length)) {
|
||||
return values(value);
|
||||
}
|
||||
if (lodash.support.unindexedChars && isString(value)) {
|
||||
return value.split('');
|
||||
}
|
||||
return isObject(value) ? value : Object(value);
|
||||
}
|
||||
|
||||
@@ -4007,16 +3831,6 @@
|
||||
* @returns {Object} Returns the object.
|
||||
*/
|
||||
function toObject(value) {
|
||||
if (lodash.support.unindexedChars && isString(value)) {
|
||||
var index = -1,
|
||||
length = value.length,
|
||||
result = Object(value);
|
||||
|
||||
while (++index < length) {
|
||||
result[index] = value.charAt(index);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
return isObject(value) ? value : Object(value);
|
||||
}
|
||||
|
||||
@@ -6554,9 +6368,7 @@
|
||||
if (!length) {
|
||||
return [];
|
||||
}
|
||||
return (lodash.support.unindexedChars && isString(collection))
|
||||
? collection.split('')
|
||||
: baseSlice(collection);
|
||||
return baseSlice(collection);
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -7690,14 +7502,6 @@
|
||||
var length = isObjectLike(value) ? value.length : undefined;
|
||||
return (isLength(length) && objToString.call(value) == argsTag) || false;
|
||||
}
|
||||
// Fallback for environments without a `toStringTag` for `arguments` objects.
|
||||
if (!support.argsTag) {
|
||||
isArguments = function(value) {
|
||||
var length = isObjectLike(value) ? value.length : undefined;
|
||||
return (isLength(length) && hasOwnProperty.call(value, 'callee') &&
|
||||
!propertyIsEnumerable.call(value, 'callee')) || false;
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if `value` is classified as an `Array` object.
|
||||
@@ -7777,7 +7581,7 @@
|
||||
*/
|
||||
function isElement(value) {
|
||||
return (value && value.nodeType === 1 && isObjectLike(value) &&
|
||||
(lodash.support.nodeTag ? objToString.call(value).indexOf('Element') > -1 : isHostObject(value))) || false;
|
||||
objToString.call(value).indexOf('Element') > -1) || false;
|
||||
}
|
||||
// Fallback for environments without DOM support.
|
||||
if (!support.dom) {
|
||||
@@ -8105,8 +7909,7 @@
|
||||
if (objToString.call(value) == funcTag) {
|
||||
return reNative.test(fnToString.call(value));
|
||||
}
|
||||
return (isObjectLike(value) &&
|
||||
(isHostObject(value) ? reNative : reHostCtor).test(value)) || false;
|
||||
return (isObjectLike(value) && reHostCtor.test(value)) || false;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -8187,7 +7990,7 @@
|
||||
* // => true
|
||||
*/
|
||||
var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) {
|
||||
if (!(value && objToString.call(value) == objectTag) || (!lodash.support.argsTag && isArguments(value))) {
|
||||
if (!(value && objToString.call(value) == objectTag)) {
|
||||
return false;
|
||||
}
|
||||
var valueOf = value.valueOf,
|
||||
@@ -8215,7 +8018,7 @@
|
||||
* // => false
|
||||
*/
|
||||
function isRegExp(value) {
|
||||
return (isObject(value) && objToString.call(value) == regexpTag) || false;
|
||||
return (isObjectLike(value) && objToString.call(value) == regexpTag) || false;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -8681,7 +8484,7 @@
|
||||
length = object.length;
|
||||
}
|
||||
if ((typeof Ctor == 'function' && Ctor.prototype === object) ||
|
||||
(typeof object == 'function' ? lodash.support.enumPrototypes : (length && isLength(length)))) {
|
||||
(typeof object != 'function' && (length && isLength(length)))) {
|
||||
return shimKeys(object);
|
||||
}
|
||||
return isObject(object) ? nativeKeys(object) : [];
|
||||
@@ -8716,54 +8519,25 @@
|
||||
if (!isObject(object)) {
|
||||
object = Object(object);
|
||||
}
|
||||
var length = object.length,
|
||||
support = lodash.support;
|
||||
|
||||
var length = object.length;
|
||||
length = (length && isLength(length) &&
|
||||
(isArray(object) || (support.nonEnumStrings && isString(object)) ||
|
||||
(support.nonEnumArgs && isArguments(object))) && length) || 0;
|
||||
(isArray(object) || (support.nonEnumArgs && isArguments(object))) && length) || 0;
|
||||
|
||||
var Ctor = object.constructor,
|
||||
index = -1,
|
||||
proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto,
|
||||
isProto = proto === object,
|
||||
isProto = typeof Ctor == 'function' && Ctor.prototype == object,
|
||||
result = Array(length),
|
||||
skipIndexes = length > 0,
|
||||
skipErrorProps = support.enumErrorProps && (object === errorProto || object instanceof Error),
|
||||
skipProto = support.enumPrototypes && typeof object == 'function';
|
||||
skipIndexes = length > 0;
|
||||
|
||||
while (++index < length) {
|
||||
result[index] = (index + '');
|
||||
result[index] = String(index);
|
||||
}
|
||||
// Lo-Dash skips the `constructor` property when it infers it is iterating
|
||||
// over a `prototype` object because IE < 9 can't set the `[[Enumerable]]`
|
||||
// attribute of an existing property and the `constructor` property of a
|
||||
// prototype defaults to non-enumerable.
|
||||
for (var key in object) {
|
||||
if (!(skipProto && key == 'prototype') &&
|
||||
!(skipErrorProps && (key == 'message' || key == 'name')) &&
|
||||
!(skipIndexes && isIndex(key, length)) &&
|
||||
if (!(skipIndexes && isIndex(key, length)) &&
|
||||
!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
|
||||
result.push(key);
|
||||
}
|
||||
}
|
||||
if (support.nonEnumShadows && object !== objectProto) {
|
||||
var tag = object === stringProto ? stringTag : object === errorProto ? errorTag : objToString.call(object),
|
||||
nonEnums = nonEnumProps[tag] || nonEnumProps[objectTag];
|
||||
|
||||
if (tag == objectTag) {
|
||||
proto = objectProto;
|
||||
}
|
||||
length = shadowProps.length;
|
||||
while (length--) {
|
||||
key = shadowProps[length];
|
||||
var nonEnum = nonEnums[key];
|
||||
if (!(isProto && nonEnum) &&
|
||||
(nonEnum ? hasOwnProperty.call(object, key) : object[key] !== proto[key])) {
|
||||
result.push(key);
|
||||
}
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
@@ -10860,21 +10634,10 @@
|
||||
|
||||
// Add `Array.prototype` functions to `lodash.prototype`.
|
||||
arrayEach(['concat', 'join', 'pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
|
||||
var arrayFunc = arrayProto[methodName],
|
||||
var func = arrayProto[methodName],
|
||||
chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
|
||||
fixObjects = !support.spliceObjects && /^(?:pop|shift|splice)$/.test(methodName),
|
||||
retUnwrapped = /^(?:join|pop|shift)$/.test(methodName);
|
||||
|
||||
// Avoid array-like object bugs with `Array#shift` and `Array#splice` in
|
||||
// IE < 9, Firefox < 10, Narwhal, and RingoJS.
|
||||
var func = !fixObjects ? arrayFunc : function() {
|
||||
var result = arrayFunc.apply(this, arguments);
|
||||
if (this.length === 0) {
|
||||
delete this[0];
|
||||
}
|
||||
return result;
|
||||
};
|
||||
|
||||
lodash.prototype[methodName] = function() {
|
||||
var args = arguments;
|
||||
if (retUnwrapped && !this.__chain__) {
|
||||
|
||||
Reference in New Issue
Block a user