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37 lines
1.2 KiB
37 lines
1.2 KiB
import copyObject from './_copyObject.js'; |
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import createAssigner from './_createAssigner.js'; |
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import keys from './keys.js'; |
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/** |
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* This method is like `_.assign` except that it accepts `customizer` |
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* which is invoked to produce the assigned values. If `customizer` returns |
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* `undefined`, assignment is handled by the method instead. The `customizer` |
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* is invoked with five arguments: (objValue, srcValue, key, object, source). |
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* |
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* **Note:** This method mutates `object`. |
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* |
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* @static |
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* @memberOf _ |
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* @since 4.0.0 |
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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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* @param {Function} [customizer] The function to customize assigned values. |
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* @returns {Object} Returns `object`. |
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* @see _.assignInWith |
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* @example |
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* |
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* function customizer(objValue, srcValue) { |
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* return _.isUndefined(objValue) ? srcValue : objValue; |
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* } |
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* |
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* var defaults = _.partialRight(_.assignWith, customizer); |
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* |
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* defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); |
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* // => { 'a': 1, 'b': 2 } |
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*/ |
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var assignWith = createAssigner(function(object, source, srcIndex, customizer) { |
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copyObject(source, keys(source), object, customizer); |
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}); |
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export default assignWith;
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