Function signInWithEmailAndPassword

signInWithEmailAndPassword(
    auth: FirebaseAuthTypes.Module,
    email: string,
    password: string,
): Promise<UserCredential>
Asynchronously signs in using an email and password.
Parameters
- auth: FirebaseAuthTypes.Module
  The Auth instance.
- email: string
  The user's email address.
- password: string
  The user's password.
Returns Promise<UserCredential>
A promise that resolves with the user credentials.
- Defined in auth/lib/modular/index.d.ts:294