time-to-botec

Benchmark sampling in different programming languages
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pullAt.js (1182B)

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