Add conditional props

js-conditional-props.js

// In this example, password will be added only when password is truthy!

const user = { id: 100, name: 'Howard Moon' };

const password = 'Password!';

const userWithPassword = {
  ...user,
  id: 100,
  ...(password && { password })
};

console.log(userWithPassword); // { id: 100, name: 'Howard Moon', password: 'Password!' }