rename-object-keys.js

// Rename object keys
const renameKeys = (keysMap, obj) =>
	Object.keys(obj).reduce(
		(acc, key) => ({
			...acc,
			...{ [keysMap[key] || key]: obj[key] },
		}),
		{}
	);

const obj = { name: 'overment' };
renameKeys({ name: 'nickname' });