fetchSignInMethodsForEmail method

  1. @override
Future<List<String>> fetchSignInMethodsForEmail(
  1. String email
)
override

Returns a list of sign-in methods that can be used to sign in a given user (identified by its main email address).

This method is useful when you support multiple authentication mechanisms if you want to implement an email-first authentication flow.

An empty List is returned if the user could not be found.

A FirebaseAuthException maybe thrown with the following error code:

  • invalid-email:
  • Thrown if the email address is not valid.

Implementation

@override
Future<List<String>> fetchSignInMethodsForEmail(String email) {
  maybeThrowException(
      this, Invocation.method(#fetchSignInMethodsForEmail, [email]));

  return Future.value(_signInMethodsForEmail[email] ?? []);
}