aws nodemailer example submit

submit.js

const API_URL = 'https://XXXXXXXXX.execute-api.us-west-2.amazonaws.com/dev/send-mail';

const onSubmit = async (event) => {
  event.preventDefault();

  submitButton.disabled = true;

  const { submissionProof, ...rest } = Object.fromEntries(new FormData(event.target).entries());
  const body = new FormData();

  Object.keys(rest).forEach((name) => {
    body.append(name, rest[name]);
  });

  [...fileSubmit.files].forEach((file) => {
    body.append(file.name, file);
  });

  try {
    const response = await fetch(API_URL, {
      method: 'POST',
      body,
    });
  } catch (err) {
    submitButton.disabled = false;
  }

  submitButton.disabled = false;
  window.location.href = '/submitted/';
};