1 | var arrayMap = require('./_arrayMap'),
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2 | baseAt = require('./_baseAt'),
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3 | basePullAt = require('./_basePullAt'),
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4 | compareAscending = require('./_compareAscending'),
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5 | flatRest = require('./_flatRest'),
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6 | isIndex = require('./_isIndex');
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7 |
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8 | /**
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9 | * Removes elements from `array` corresponding to `indexes` and returns an
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10 | * array of removed elements.
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11 | *
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12 | * **Note:** Unlike `_.at`, this method mutates `array`.
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13 | *
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14 | * @static
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15 | * @memberOf _
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16 | * @since 3.0.0
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17 | * @category Array
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18 | * @param {Array} array The array to modify.
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19 | * @param {...(number|number[])} [indexes] The indexes of elements to remove.
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20 | * @returns {Array} Returns the new array of removed elements.
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21 | * @example
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22 | *
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23 | * var array = ['a', 'b', 'c', 'd'];
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24 | * var pulled = _.pullAt(array, [1, 3]);
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25 | *
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26 | * console.log(array);
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27 | * // => ['a', 'c']
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28 | *
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29 | * console.log(pulled);
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30 | * // => ['b', 'd']
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31 | */
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32 | var pullAt = flatRest(function(array, indexes) {
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33 | var length = array == null ? 0 : array.length,
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34 | result = baseAt(array, indexes);
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35 |
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36 | basePullAt(array, arrayMap(indexes, function(index) {
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37 | return isIndex(index, length) ? +index : index;
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38 | }).sort(compareAscending));
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39 |
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40 | return result;
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41 | });
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42 |
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43 | module.exports = pullAt;
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