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Bump to v3.10.0.

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jdalton
2015-06-14 22:21:58 -07:00
parent 6ee2b9a7b8
commit 4bd2890bbd
121 changed files with 777 additions and 649 deletions
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40
lang/isPlainObject.js
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@@ -1,5 +1,6 @@
import getNative from '../internal/getNative';
import shimIsPlainObject from '../internal/shimIsPlainObject';
import baseForIn from '../internal/baseForIn';
import isArguments from './isArguments';
import isObjectLike from '../internal/isObjectLike';
/** `Object#toString` result references. */
var objectTag = '[object Object]';
@@ -7,15 +8,15 @@ var objectTag = '[object Object]';
/** Used for native method references. */
var objectProto = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/**
* Used to resolve the [`toStringTag`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.prototype.tostring)
* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
* of values.
*/
var objToString = objectProto.toString;
/** Native method references. */
var getPrototypeOf = getNative(Object, 'getPrototypeOf');
/**
* Checks if `value` is a plain object, that is, an object created by the
* `Object` constructor or one with a `[[Prototype]]` of `null`.
@@ -46,16 +47,25 @@ var getPrototypeOf = getNative(Object, 'getPrototypeOf');
* _.isPlainObject(Object.create(null));
* // => true
*/
var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) {
if (!(value && objToString.call(value) == objectTag)) {
function isPlainObject(value) {
var Ctor;
// Exit early for non `Object` objects.
if (!(isObjectLike(value) && objToString.call(value) == objectTag && !isArguments(value)) ||
(!hasOwnProperty.call(value, 'constructor') && (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) {
return false;
}
var valueOf = getNative(value, 'valueOf'),
objProto = valueOf && (objProto = getPrototypeOf(valueOf)) && getPrototypeOf(objProto);
return objProto
? (value == objProto || getPrototypeOf(value) == objProto)
: shimIsPlainObject(value);
};
// 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;
// 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.
baseForIn(value, function(subValue, key) {
result = key;
});
return result === undefined || hasOwnProperty.call(value, result);
}
export default isPlainObject;