16 lines
382 B
JavaScript
16 lines
382 B
JavaScript
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var isArray = require('../type/is-array');
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var isPlainObject = require('../type/is-plain-object');
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var each = require('../each');
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var reduce = function reduce(arr, fn, init) {
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if (!isArray(arr) && !isPlainObject(arr)) {
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return arr;
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}
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var result = init;
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each(arr, function (data, i) {
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result = fn(result, data, i);
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});
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return result;
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};
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module.exports = reduce;
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