code from video about nullish coalescing assignment operator

main.mjs

//nullish coalescing assignment ??=
//related to the nullish coalescing operator ??
//overwrite IF nullish (null or undefined)
import crypto from 'crypto';
//import not required in browser
const u1 = {
  name: 'brand new user',
  email: '[email protected]',
};
const u2 = {
  id: '1be4abee-7e9c-4d4a-9084-fa1390291009',
  name: 'Bono',
  email: '[email protected]',
};

function saveAUser(user) {
  //function to edit or create a user
  // user.id = user.id ?? crypto.randomUUID();
  user.id ??= crypto.randomUUID();
  //if user.id does not currently have a value
  console.log(user);
}
saveAUser(u1);
saveAUser(u2);