sendgrid.js

const client = require('@sendgrid/mail');
require('dotenv').config();

function sendEmail(sendgridClient, message, senderEmail, senderName, receiverEmail, contactEmail) {
  return new Promise((fulfill, reject) => {
    const data = {
      from: {
        email: senderEmail,
        name: senderName,
      },
      subject: `Third Eye Health | Support | New Message From ${contactEmail}`,
      to: receiverEmail,
      html: message,
    };

    sendgridClient
      .send(data)
      .then(([response, body]) => {
        fulfill(response);
      })
      .catch((error) => reject(error));
  });
}

exports.handler = async function(event) {
  const {
    SENDGRID_API_KEY,
    SENDGRID_SENDER_EMAIL,
    SENDGRID_SENDER_NAME,
    SENDGRID_RECIPIENT_EMAIL,
  } = process.env;

  const body = JSON.parse(event.body);
  const emailBody = `
Name: ${body.name}
Email: ${body.emailAddress}
Organization: ${body.organization}
Phone Number: ${body.phoneNumber}

Message:
${body.message}
`.replace(/(?:\r\n|\r|\n)/g, '<br />');

  client.setApiKey(SENDGRID_API_KEY);

  try {
    await sendEmail(
      client,
      emailBody,
      SENDGRID_SENDER_EMAIL,
      SENDGRID_SENDER_NAME,
      SENDGRID_RECIPIENT_EMAIL,
      body.emailAddress
    );
    return {
      statusCode: 200,
      body: 'success',
    };
  } catch (err) {
    return {
      statusCode: 500,
      body: 'failure',
    };
  }
};