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- 'use strict';
- const internals = {};
- module.exports = internals.flatten = function (array, target) {
- const result = target || [];
- for (let i = 0; i < array.length; ++i) {
- if (Array.isArray(array[i])) {
- internals.flatten(array[i], result);
- }
- else {
- result.push(array[i]);
- }
- }
- return result;
- };
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