internal/basePullAt.js

define(['./baseAt', './baseCompareAscending', './isIndex'], function(baseAt, baseCompareAscending, isIndex) {

  /** Used for native method references. */
  var arrayProto = Array.prototype;

  /** Native method references. */
  var splice = arrayProto.splice;

  /**
   * The base implementation of `_.pullAt` without support for individual
   * index arguments.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {number[]} indexes The indexes of elements to remove.
   * @returns {Array} Returns the new array of removed elements.
   */
  function basePullAt(array, indexes) {
    var length = indexes.length,
        result = baseAt(array, indexes);

    indexes.sort(baseCompareAscending);
    while (length--) {
      var index = parseFloat(indexes[length]);
      if (index != previous && isIndex(index)) {
        var previous = index;
        splice.call(array, index, 1);
      }
    }
    return result;
  }

  return basePullAt;
});