Method signInWithCredential

packages/firebase-auth/index.ios.ts:1062–1076

(credential: AuthCredential)

	}

	signInWithCredential(credential: AuthCredential): Promise<IUserCredential> {
		return new Promise((resolve, reject) => {
			if (!this.native) {
				reject();
			} else {
				this.native.signInWithCredentialCompletion(credential.native, (result, error) => {
					if (error) {
						reject(FirebaseError.fromNative(error));
					} else {
						resolve(toUserCredential(result));
					}
				});
			}
		});
	}

	signInWithCustomToken(customToken: string): Promise<IUserCredential> {
		return new Promise((resolve, reject) => {