lodash/internal/basePullAt.js

define(['./baseToPath', './isIndex', './isKey', '../last', './parent'], function(baseToPath, isIndex, isKey, last, parent) {

  /** Used for built-in method references. */
  var arrayProto = Array.prototype;

  /** Built-in value references. */
  var splice = arrayProto.splice;

  /**
   * The base implementation of `_.pullAt` without support for individual
   * indexes or capturing the removed elements.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {number[]} indexes The indexes of elements to remove.
   * @returns {Array} Returns `array`.
   */
  function basePullAt(array, indexes) {
    var length = array ? indexes.length : 0,
        lastIndex = length - 1;

    while (length--) {
      var index = indexes[length];
      if (lastIndex == length || index != previous) {
        var previous = index;
        if (isIndex(index)) {
          splice.call(array, index, 1);
        }
        else if (!isKey(index, array)) {
          var path = baseToPath(index),
              object = parent(array, path);

          if (object != null) {
            delete object[last(path)];
          }
        }
        else {
          delete array[index];
        }
      }
    }
    return array;
  }

  return basePullAt;
});