Firebase functions not executing

I have a firebase project using node.js and I have a form that logs in and can sign up new users. I have recently wanted to make a welcome function that send a welcome email to the user when they sign up and when running the function no email is sent but no errors are thrown either. I expected an email to be sent to the email, nathantolley2008@gmail.com, but no email is sent.

I have a functions folder in my root directory and this is what the structure of that folder looks like:

The code for the index.js file is as follows:

const functions = require("firebase-functions");
const { sendEmail } = require('./sendEmail');

// Export the functions
exports.sendEmail = functions.auth.user().onCreate((user) => {
  sendEmail(user);
});

The config.js file:

const functions = require('firebase-functions');
const admin = require('firebase-admin');
const serviceAccount = require('./course-curve-firebase-adminsdk-ae6ht-411a2a0ae9.json');

admin.initializeApp({
  credential: admin.credential.cert(serviceAccount),
  databaseURL: serviceAccount.databaseURL
});

const getEmailConfig = async () => {
  const snapshot = await admin.firestore().collection('config').doc('email').get();
  return snapshot.data();
};

module.exports = getEmailConfig;

And lastly the send emails file:

const functions = require('firebase-functions');
const nodemailer = require('nodemailer');
const getEmailConfig = require('./config');

const transporter = nodemailer.createTransport({
  service: 'Gmail',
  auth: getEmailConfig,
});

const sendEmail = async (user) => {
  const emailConfig = await getEmailConfig();

  const mailOptions = {
    from: emailConfig.email_address,
    to: 'nathantolley2008@gmail.com',
    subject: 'New User Registered',
    html: `<p>New user registered: ${user.email}</p>`,
  };

  try {
    await transporter.sendMail(mailOptions);
    console.log('Email sent successfully');
  } catch (error) {
    console.error('Error sending email:', error);
  }
};

module.exports = {sendEmail};

Any help on figuring out why my function isn't working would be greatly appreciated. Have a blessed day.

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