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777 BJavaScriptView Raw
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 */
13function 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
24module.exports = arrayReduceRight;