Function onIdTokenChanged

onIdTokenChanged(
auth: FirebaseAuthTypes.Module,
nextOrObserver: CallbackOrObserver<AuthListenerCallback>,
): () => void
Adds an observer for changes to the signed-in user's ID token.
Parameters
- auth: FirebaseAuthTypes.Module
  The Auth instance.
- nextOrObserver: CallbackOrObserver<AuthListenerCallback>
  A callback function or observer for ID token changes.
Returns () => void
A function to unsubscribe from the ID token changes.
- Defined in auth/lib/modular/index.d.ts:195