A post-fetchUser hook to transform the user object

[Soviut]

Is your feature request related to a problem? Please describe.

It would be nice if there was a hook after fetchUser() is called that would allow the user object, and possibly the $auth object, to be transformed. This allows custom fields to be added that don't change unless the use is fetched again.

Describe the solution you'd like to see

postFetchUser(user) {
  return {
    ...user,
    verified: !('email_verified' in user) && user.email_verified
  }
}

Describe alternatives you've considered

Currently, we use an auth plugin to attach a verified() function to the $auth object. This function needs to be called each time.

export default function ({ $auth }) {
  // do not add the function if it already exists
  if (!$auth.verified) {
    $auth.verified = () => {
      return $auth.loggedIn
        ? !('email_verified' in $auth.user) || $auth.user.email_verified
        : false
    }
  }
}

Additional context