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Former-commit-id: 104839a253a7f3711dad357899128ccf839b01cf
This commit is contained in:
John-David Dalton
2013-03-07 09:07:51 -08:00
parent 11ba02067e
commit bf88ad7fc8
7 changed files with 608 additions and 365 deletions
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73
dist/lodash.underscore.js vendored
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@@ -134,25 +134,6 @@
var isIeOpera = reNative.test(window.attachEvent),
isV8 = nativeBind && !/\n|true/.test(nativeBind + isIeOpera);
/* Detect if `Function#bind` exists and is inferred to be fast (all but V8) */
var isBindFast = nativeBind && !isV8;
/**
* Detect if `Array#shift` and `Array#splice` augment array-like objects
* incorrectly:
*
* Firefox < 10, IE compatibility mode, 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 IE 8 compatibility mode, while `splice()`
* is buggy regardless of mode in IE < 9 and buggy in compatibility mode in IE 9.
*/
var hasObjectSpliceBug = (hasObjectSpliceBug = { '0': 1, 'length': 1 },
arrayRef.splice.call(hasObjectSpliceBug, 0, 1), hasObjectSpliceBug[0]);
/** Detect if `arguments` objects are `Object` objects (all but Opera < 10.5) */
var argsAreObjects = arguments.constructor == Object;
/*--------------------------------------------------------------------------*/
/**
@@ -200,6 +181,51 @@
: new lodashWrapper(value)
}
/**
* An object used to flag environments features.
*
* @static
* @memberOf _
* @type Object
*/
var support = lodash.support = {};
(function() {
var object = { '0': 1, 'length': 1 };
/**
* Detect if `arguments` objects are `Object` objects
* (all but Opera < 10.5).
*
* @memberOf _.support
* @type Boolean
*/
support.argsObject = arguments.constructor == Object;
/**
* Detect if `Function#bind` exists and is inferred to be fast (all but V8).
*
* @memberOf _.support
* @type Boolean
*/
support.fastBind = nativeBind && !isV8;
/**
* Detect if `Array#shift` and `Array#splice` augment array-like
* objects correctly.
*
* Firefox < 10, IE compatibility mode, 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 IE 8 compatibility mode, while `splice()`
* is buggy regardless of mode in IE < 9 and buggy in compatibility mode in IE 9.
*
* @memberOf _.support
* @type Boolean
*/
support.spliceObjects = (arrayRef.splice.call(object, 0, 1), !object[0]);
}(1));
/**
* By default, the template delimiters used by Lo-Dash are similar to those in
* embedded Ruby (ERB). Change the following template settings to use alternative
@@ -595,7 +621,7 @@
var isArray = nativeIsArray || function(value) {
// `instanceof` may cause a memory leak in IE 7 if `value` is a host object
// http://ajaxian.com/archives/working-aroung-the-instanceof-memory-leak
return (argsAreObjects && value instanceof Array) || toString.call(value) == arrayClass;
return (support.argsObject && value instanceof Array) || toString.call(value) == arrayClass;
};
/**
@@ -3295,7 +3321,7 @@
function bind(func, thisArg) {
// use `Function#bind` if it exists and is fast
// (in V8 `Function#bind` is slower except when partially applied)
return isBindFast || (nativeBind && arguments.length > 2)
return support.fastBind || (nativeBind && arguments.length > 2)
? nativeBind.call.apply(nativeBind, arguments)
: createBound(func, thisArg, slice(arguments, 2));
}
@@ -3995,9 +4021,8 @@
* // => also calls `mage.castSpell(n)` three times
*/
function times(n, callback, thisArg) {
n = +n || 0;
var index = -1,
result = Array(n);
result = Array(n > -1 ? n : 0);
while (++index < n) {
result[index] = callback.call(thisArg, index);
@@ -4306,7 +4331,7 @@
// avoid array-like object bugs with `Array#shift` and `Array#splice`
// in Firefox < 10 and IE < 9
if (hasObjectSpliceBug && value.length === 0) {
if (!support.spliceObjects && value.length === 0) {
delete value[0];
}
return this;