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ozzyr/groupBy.js

Forked from suissa/groupBy.js
Created June 29, 2020 15:25
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Group by bem facinho
Raw
groupBy.js
const groupBy = (xs, key) => xs.reduce((rv, x) => ({
...rv, [x[key]]: [...(rv[x[key]] || []), x]
}), {});
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