Attach a document in mail using js

To attach a document to an email using JavaScript, you can use the FileReader API to read the file and then use the multipart/form-data format to send the file as an attachment.

Here is an example of how you can do this:

// Get the file input element
const fileInput = document.getElementById('fileInput');

// Get the email body and subject
const emailBody = 'Hello, this is an email with an attachment!';
const emailSubject = 'Test Email with Attachment';

// Create a new email message
const email = {
  from: '[email protected]',
  to: '[email protected]',
  subject: emailSubject,
  body: emailBody,
  attachments: []
};

// Add the file to the attachments array
fileInput.addEventListener('change', (event) => {
  const file = event.target.files[0];
  const reader = new FileReader();
  reader.onload = (event) => {
    const fileData = event.target.result;
    const attachment = {
      filename: file.name,
      type: file.type,
      data: fileData
    };
    email.attachments.push(attachment);
  };
  reader.readAsBinaryString(file);
});

// Send the email
const xhr = new XMLHttpRequest();
xhr.open('POST', 'https://your-email-service.com/send-email', true);
xhr.setRequestHeader('Content-Type', 'multipart/form-data');
xhr.send(JSON.stringify(email));

This code assumes that you have a file input element with the ID fileInput and that you have a service that can send emails with attachments.

You can also use libraries like emailjs or nodemailer to send emails with attachments.

Here is an example using emailjs:

const emailjs = require('emailjs');

// Create a new email message
const email = {
  from: '[email protected]',
  to: '[email protected]',
  subject: emailSubject,
  body: emailBody,
  attachments: []
};

// Add the file to the attachments array
fileInput.addEventListener('change', (event) => {
  const file = event.target.files[0];
  const attachment = {
    filename: file.name,
    type: file.type,
    data: file
  };
  email.attachments.push(attachment);
});

// Send the email
const server = emailjs.server('your-email-service.com');
server.send(email, (err, message) => {
  if (err) {
    console.error(err);
  } else {
    console.log(message);
  }
});

This code assumes that you have installed emailjs using npm or yarn and that you have a service that can send emails with attachments.

You can also use nodemailer to send emails with attachments.

const nodemailer = require('nodemailer');

// Create a new email message
const email = {
  from: '[email protected]',
  to: '[email protected]',
  subject: emailSubject,
  body: emailBody,
  attachments: []
};

// Add the file to the attachments array
fileInput.addEventListener('change', (event) => {
  const file = event.target.files[0];
  const attachment = {
    filename: file.name,
    type: file.type,
    data: file
  };
  email.attachments.push(attachment);
});

// Send the email
const transporter = nodemailer.createTransport({
  host: 'your-email-service.com',
  port: 587,
  secure: false,
  auth: {
    user: '[email protected]',
    pass: 'your-password'
  }
});
transporter.sendMail(email, (err, info) => {
  if (err) {
    console.error(err);
  } else {
    console.log(info);
  }
});

This code assumes that you have installed nodemailer using npm or yarn and that you have a service that can send emails with attachments.

Please note that you need to replace the placeholders with your actual email service and credentials.