44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
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var arrayMap = require('./_arrayMap'),
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baseAt = require('./_baseAt'),
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basePullAt = require('./_basePullAt'),
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compareAscending = require('./_compareAscending'),
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flatRest = require('./_flatRest'),
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isIndex = require('./_isIndex');
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/**
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* Removes elements from `array` corresponding to `indexes` and returns an
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* array of removed elements.
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*
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* **Note:** Unlike `_.at`, this method mutates `array`.
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*
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* @static
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* @memberOf _
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* @since 3.0.0
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* @category Array
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* @param {Array} array The array to modify.
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* @param {...(number|number[])} [indexes] The indexes of elements to remove.
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* @returns {Array} Returns the new array of removed elements.
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* @example
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*
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* var array = ['a', 'b', 'c', 'd'];
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* var pulled = _.pullAt(array, [1, 3]);
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*
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* console.log(array);
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* // => ['a', 'c']
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*
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* console.log(pulled);
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* // => ['b', 'd']
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*/
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var pullAt = flatRest(function(array, indexes) {
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var length = array == null ? 0 : array.length,
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result = baseAt(array, indexes);
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basePullAt(array, arrayMap(indexes, function(index) {
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return isIndex(index, length) ? +index : index;
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}).sort(compareAscending));
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return result;
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});
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module.exports = pullAt;
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