Files
30-seconds-of-code/test4/mapKeys/mapKeys.js
Angelos Chalaris a59af893bf Migrated tests to jest
Used jest-codemods to migrate, will have to pass everything by hand before we can merge.
2018-06-18 14:18:25 +03:00

6 lines
146 B
JavaScript

const mapKeys = (obj, fn) =>
Object.keys(obj).reduce((acc, k) => {
acc[fn(obj[k], k, obj)] = obj[k];
return acc;
}, {});
module.exports = mapKeys;