TypeScript type-safe pick function

pick.ts

/**
 * Usage
 * ```ts
 * const person = { name: "John", surname: "Doe", age: 35 };
 * console.log(pick(person, "surname", "age"));
 * ```
 * 
 * Result
 * ```json
 * { surname: 'Doe', age: 35 }
 * ```
 */
export default function pick<O, K extends keyof O>(obj: O, ...keys: K[]): Pick<O, K> {
  return keys.reduce((acc, key) => ({ ...acc, [key]: obj[key] }), {} as any);
}