Files
30-seconds-of-code/test/deepFreeze/deepFreeze.js
2018-09-01 20:05:19 +00:00

7 lines
218 B
JavaScript

const deepFreeze = obj =>
Object.keys(obj).forEach(
prop =>
!obj[prop] instanceof Object || Object.isFrozen(obj[prop]) ? null : deepFreeze(obj[prop])
) || Object.freeze(obj);
module.exports = deepFreeze;