--- title: symbolizeKeys tags: object,advanced firstSeen: 2021-08-01T05:00:00-04:00 --- Creates a new object, converting each key to a `Symbol`. - Use `Object.keys()` to get the keys of `obj`. - Use `Array.prototype.reduce()` and `Symbol()` to create a new object where each key is converted to a `Symbol`. ```js const symbolizeKeys = obj => Object.keys(obj).reduce( (acc, key) => ({ ...acc, [Symbol(key)]: obj[key] }), {} ); ``` ```js symbolizeKeys({ id: 10, name: 'apple' }); // { [Symbol(id)]: 10, [Symbol(name)]: 'apple' } ```