Email password lockout functionality

gistfile1.txt

EmailPassword.init({
    override: {
        functions: (oI) => {
            return {
                ...oI,
                signIn: async function (input) {
                    let email = input.email;

                    if (await isLockedOut(email)) {
                        return {
                            status: "WRONG_CREDENTIALS_ERROR"
                        };

                        // OR
                        // You can even throw an error here and catch it in your error handler and
                        // return a custom response to the frontend.
                    }

                    let response = await oI.signIn(input);

                    if (response.status === "OK") {
                        // sign in successful...
                        await clearLoginAttemptCount(email);
                    } else {
                        // wrong credentials, so we should increment the attempts
                        let currentLoginAttemptCount = await getLoginAttemptCount(email);
                        currentLoginAttemptCount++;
                        if (currentLoginAttemptCount >= 5) {
                            await lockOutEmail(email);
                        } else {
                            await setLoginAttemptCount(email, currentLoginAttemptCount);
                        }
                    }

                    return response;
                }
            }
        }
    }
})