25 lines
777 B
JavaScript
25 lines
777 B
JavaScript
/**
|
|
* A specialized version of `_.reduceRight` for arrays without support for
|
|
* iteratee shorthands.
|
|
*
|
|
* @private
|
|
* @param {Array} [array] The array to iterate over.
|
|
* @param {Function} iteratee The function invoked per iteration.
|
|
* @param {*} [accumulator] The initial value.
|
|
* @param {boolean} [initAccum] Specify using the last element of `array` as
|
|
* the initial value.
|
|
* @returns {*} Returns the accumulated value.
|
|
*/
|
|
function arrayReduceRight(array, iteratee, accumulator, initAccum) {
|
|
var length = array == null ? 0 : array.length;
|
|
if (initAccum && length) {
|
|
accumulator = array[--length];
|
|
}
|
|
while (length--) {
|
|
accumulator = iteratee(accumulator, array[length], length, array);
|
|
}
|
|
return accumulator;
|
|
}
|
|
|
|
module.exports = arrayReduceRight;
|