@newdash/newdash/.internal/arrayReduce.js

javascript/typescript utility library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * A specialized version of `reduce` for arrays.
 *
 * @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 first element of `array` as
 *  the initial value.
 * @returns {*} Returns the accumulated value.
 */
function arrayReduce(array, iteratee, accumulator, initAccum) {
    let index = -1;
    const length = array == null ? 0 : array.length;
    if (initAccum && length) {
        accumulator = array[++index];
    }
    while (++index < length) {
        accumulator = iteratee(accumulator, array[index], index, array);
    }
    return accumulator;
}
exports.default = arrayReduce;