41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
var baseDifference = require('./_baseDifference'),
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baseFlatten = require('./_baseFlatten'),
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baseRest = require('./_baseRest'),
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isArrayLikeObject = require('./isArrayLikeObject'),
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last = require('./last');
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/**
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* This method is like `_.difference` except that it accepts `comparator`
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* which is invoked to compare elements of `array` to `values`. Result values
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* are chosen from the first array. The comparator is invoked with two arguments:
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* (arrVal, othVal).
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*
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* **Note:** Unlike `_.pullAllWith`, this method returns a new array.
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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 Array
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* @param {Array} array The array to inspect.
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* @param {...Array} [values] The values to exclude.
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* @param {Function} [comparator] The comparator invoked per element.
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* @returns {Array} Returns the new array of filtered values.
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* @example
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*
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* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
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*
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* _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
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* // => [{ 'x': 2, 'y': 1 }]
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*/
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var differenceWith = baseRest(function(array, values) {
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var comparator = last(values);
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if (isArrayLikeObject(comparator)) {
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comparator = undefined;
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}
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return isArrayLikeObject(array)
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? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
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: [];
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});
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module.exports = differenceWith;
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