1  /**
 2   * A specialized version of `_.reduceRight` for arrays without support for
 3   * iteratee shorthands.
 4   *
 5   * @private
 6   * @param {Array} [array] The array to iterate over.
 7   * @param {Function} iteratee The function invoked per iteration.
 8   * @param {*} [accumulator] The initial value.
 9   * @param {boolean} [initAccum] Specify using the last element of `array` as
10   *  the initial value.
11   * @returns {*} Returns the accumulated value.
12   */
13  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
14    var length = array == null ? 0 : array.length;
15    if (initAccum && length) {
16      accumulator = array[--length];
17    }
18    while (length--) {
19      accumulator = iteratee(accumulator, array[length], length, array);
20    }
21    return accumulator;
22  }
23  
24  module.exports = arrayReduceRight;