lodash/pullAt.js

define(['./internal/arrayMap', './internal/baseAt', './internal/baseFlatten', './internal/basePullAt', './internal/compareAscending', './rest'], function(arrayMap, baseAt, baseFlatten, basePullAt, compareAscending, rest) {

  /**
   * Removes elements from `array` corresponding to `indexes` and returns an
   * array of removed elements.
   *
   * **Note:** Unlike `_.at`, this method mutates `array`.
   *
   * @static
   * @memberOf _
   * @category Array
   * @param {Array} array The array to modify.
   * @param {...(number|number[])} [indexes] The indexes of elements to remove,
   *  specified individually or in arrays.
   * @returns {Array} Returns the new array of removed elements.
   * @example
   *
   * var array = [5, 10, 15, 20];
   * var evens = _.pullAt(array, 1, 3);
   *
   * console.log(array);
   * // => [5, 15]
   *
   * console.log(evens);
   * // => [10, 20]
   */
  var pullAt = rest(function(array, indexes) {
    indexes = arrayMap(baseFlatten(indexes), String);

    var result = baseAt(array, indexes);
    basePullAt(array, indexes.sort(compareAscending));
    return result;
  });

  return pullAt;
});