23 lines
456 B
JavaScript
23 lines
456 B
JavaScript
'use strict';
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module.exports = function reduce(fn, carry) {
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var _this = this;
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var reduceCarry = null;
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if (carry !== undefined) {
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reduceCarry = carry;
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}
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if (Array.isArray(this.items)) {
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this.items.forEach(function (item) {
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reduceCarry = fn(reduceCarry, item);
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});
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} else {
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Object.keys(this.items).forEach(function (key) {
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reduceCarry = fn(reduceCarry, _this.items[key], key);
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});
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}
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return reduceCarry;
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}; |