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andreasonny83/flatMap.js

Created September 21, 2019 10:10
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Flat an array recursively
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flatMap.js
const _ = require('lodash');
const x = [1, [2, 3, 4, [5, 6]], 7];
const flat = (input) => Array.isArray(input) ? _.flatMap(input, item => flat(item)) : input;
const y = flat(x)
y // [1, 2, 3, 4, 5, 6, 7]
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