1  var baseFindIndex = require('./_baseFindIndex'),
 2      baseIteratee = require('./_baseIteratee'),
 3      toInteger = require('./toInteger');
 4  
 5  /* Built-in method references for those with the same name as other `lodash` methods. */
 6  var nativeMax = Math.max,
 7      nativeMin = Math.min;
 8  
 9  /**
10   * This method is like `_.findIndex` except that it iterates over elements
11   * of `collection` from right to left.
12   *
13   * @static
14   * @memberOf _
15   * @since 2.0.0
16   * @category Array
17   * @param {Array} array The array to inspect.
18   * @param {Function} [predicate=_.identity] The function invoked per iteration.
19   * @param {number} [fromIndex=array.length-1] The index to search from.
20   * @returns {number} Returns the index of the found element, else `-1`.
21   * @example
22   *
23   * var users = [
24   *   { 'user': 'barney',  'active': true },
25   *   { 'user': 'fred',    'active': false },
26   *   { 'user': 'pebbles', 'active': false }
27   * ];
28   *
29   * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
30   * // => 2
31   *
32   * // The `_.matches` iteratee shorthand.
33   * _.findLastIndex(users, { 'user': 'barney', 'active': true });
34   * // => 0
35   *
36   * // The `_.matchesProperty` iteratee shorthand.
37   * _.findLastIndex(users, ['active', false]);
38   * // => 2
39   *
40   * // The `_.property` iteratee shorthand.
41   * _.findLastIndex(users, 'active');
42   * // => 0
43   */
44  function findLastIndex(array, predicate, fromIndex) {
45    var length = array == null ? 0 : array.length;
46    if (!length) {
47      return -1;
48    }
49    var index = length - 1;
50    if (fromIndex !== undefined) {
51      index = toInteger(fromIndex);
52      index = fromIndex < 0
53        ? nativeMax(length + index, 0)
54        : nativeMin(index, length - 1);
55    }
56    return baseFindIndex(array, baseIteratee(predicate, 3), index, true);
57  }
58  
59  module.exports = findLastIndex;