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39 lines
1.2 KiB
39 lines
1.2 KiB
var baseMerge = require('./_baseMerge'), |
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createAssigner = require('./_createAssigner'); |
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/** |
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* This method is like `_.merge` except that it accepts `customizer` which |
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* is invoked to produce the merged values of the destination and source |
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* properties. If `customizer` returns `undefined`, merging is handled by the |
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* method instead. The `customizer` is invoked with six arguments: |
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* (objValue, srcValue, key, object, source, stack). |
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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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* @example |
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* |
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* function customizer(objValue, srcValue) { |
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* if (_.isArray(objValue)) { |
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* return objValue.concat(srcValue); |
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* } |
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* } |
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* |
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* var object = { 'a': [1], 'b': [2] }; |
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* var other = { 'a': [3], 'b': [4] }; |
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* |
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* _.mergeWith(object, other, customizer); |
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* // => { 'a': [1, 3], 'b': [2, 4] } |
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*/ |
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var mergeWith = createAssigner(function(object, source, srcIndex, customizer) { |
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baseMerge(object, source, srcIndex, customizer); |
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}); |
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module.exports = mergeWith;
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