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58 lines
1.5 KiB
58 lines
1.5 KiB
import assignValue from './_assignValue.js'; |
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import copyObject from './_copyObject.js'; |
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import createAssigner from './_createAssigner.js'; |
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import isArrayLike from './isArrayLike.js'; |
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import isPrototype from './_isPrototype.js'; |
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import keys from './keys.js'; |
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/** Used for built-in method references. */ |
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var objectProto = Object.prototype; |
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/** Used to check objects for own properties. */ |
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var hasOwnProperty = objectProto.hasOwnProperty; |
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/** |
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* Assigns own enumerable string keyed properties of source objects to the |
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* destination object. Source objects are applied from left to right. |
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* Subsequent sources overwrite property assignments of previous sources. |
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* |
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* **Note:** This method mutates `object` and is loosely based on |
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* [`Object.assign`](https://mdn.io/Object/assign). |
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* |
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* @static |
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* @memberOf _ |
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* @since 0.10.0 |
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* @category Object |
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* @param {Object} object The destination object. |
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* @param {...Object} [sources] The source objects. |
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* @returns {Object} Returns `object`. |
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* @see _.assignIn |
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* @example |
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* |
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* function Foo() { |
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* this.a = 1; |
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* } |
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* |
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* function Bar() { |
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* this.c = 3; |
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* } |
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* |
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* Foo.prototype.b = 2; |
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* Bar.prototype.d = 4; |
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* |
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* _.assign({ 'a': 0 }, new Foo, new Bar); |
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* // => { 'a': 1, 'c': 3 } |
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*/ |
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var assign = createAssigner(function(object, source) { |
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if (isPrototype(source) || isArrayLike(source)) { |
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copyObject(source, keys(source), object); |
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return; |
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} |
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for (var key in source) { |
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if (hasOwnProperty.call(source, key)) { |
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assignValue(object, key, source[key]); |
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} |
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} |
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}); |
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export default assign;
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