Proof

@react-native-firebase/auth

native-seam only — upstream RNFirebase auth JS runs from the bundle; NativeRNFBTurboAuth signs email/password and custom-token users in over the live Identity Toolkit transport with account lookup, securetoken refresh, and RNFBAuthHelper error codes (validated against published 26.4.0 specs, ios sources, and error map)

80%

API coverage

No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.

Working (20)

default auth()firebase.app().auth()getAuthprovider exportscurrentUsersignInAnonymouslysignInWithEmailAndPasswordcreateUserWithEmailAndPasswordsignInWithCustomTokensignOutsendPasswordResetEmail with action-code settingsupdateProfile/updateEmail/updatePassword over accounts:updatereloaddeletegetIdToken with refreshgetIdTokenResultonAuthStateChangedonIdTokenChangedtenant IDsuseEmulator

Missing (7)

OAuth provider sign-in (Google, Apple, Facebook)email-link sign-inphone authMFA/TOTP enrollment and challengesprovider linkingaction-code verify/apply flowspersistence across reloads