1  var baseUnset = require('./_baseUnset'),
 2      isIndex = require('./_isIndex');
 3  
 4  /** Used for built-in method references. */
 5  var arrayProto = Array.prototype;
 6  
 7  /** Built-in value references. */
 8  var splice = arrayProto.splice;
 9  
10  /**
11   * The base implementation of `_.pullAt` without support for individual
12   * indexes or capturing the removed elements.
13   *
14   * @private
15   * @param {Array} array The array to modify.
16   * @param {number[]} indexes The indexes of elements to remove.
17   * @returns {Array} Returns `array`.
18   */
19  function basePullAt(array, indexes) {
20    var length = array ? indexes.length : 0,
21        lastIndex = length - 1;
22  
23    while (length--) {
24      var index = indexes[length];
25      if (length == lastIndex || index !== previous) {
26        var previous = index;
27        if (isIndex(index)) {
28          splice.call(array, index, 1);
29        } else {
30          baseUnset(array, index);
31        }
32      }
33    }
34    return array;
35  }
36  
37  module.exports = basePullAt;