1 var baseDifference = require('./_baseDifference'),
2 baseFlatten = require('./_baseFlatten'),
3 baseRest = require('./_baseRest'),
4 isArrayLikeObject = require('./isArrayLikeObject'),
5 last = require('./last');
8 * This method is like `_.difference` except that it accepts `comparator`
9 * which is invoked to compare elements of `array` to `values`. The order and
10 * references of result values are determined by the first array. The comparator
11 * is invoked with two arguments: (arrVal, othVal).
13 * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
19 * @param {Array} array The array to inspect.
20 * @param {...Array} [values] The values to exclude.
21 * @param {Function} [comparator] The comparator invoked per element.
22 * @returns {Array} Returns the new array of filtered values.
25 * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
27 * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
28 * // => [{ 'x': 2, 'y': 1 }]
30 var differenceWith = baseRest(function(array, values) {
31 var comparator = last(values);
32 if (isArrayLikeObject(comparator)) {
33 comparator = undefined;
35 return isArrayLikeObject(array)
36 ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
40 module.exports = differenceWith;