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erubi/citrusbyte flatten

Created February 20, 2017 14:39
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Answer to flatten question for Citrusbyte
Raw
citrusbyte flatten
const flatten = (arr) => {
return arr.reduce((flat, toFlatten) => {
if (Array.isArray(toFlatten)) return flat.concat(flatten(toFlatten));
return flat.concat(toFlatten);
}, []);
};
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