rajatk16/app.js

## app.js
const fs = require('fs');

const requestHandler = (req, res) => {
  const url = req.url;
  const method = req.method;
  if (url === '/') {
    res.write('<html>');
    res.write('<head><title>Enter Message</title></head>');
    res.write(
      '<body><form action="/message" method="POST"><input type="text" name="message"><button type="submit">Send</button></form></body>'
    );
    res.write('</html>');
    return res.end();
  }
  if (url === '/message' && method === 'POST') {
    const body = [];
    req.on('data', chunk => {
      console.log(chunk);
      body.push(chunk);
    });
    return req.on('end', () => {
      const parsedBody = Buffer.concat(body).toString();
      const message = parsedBody.split('=')[1];
      fs.writeFile('message.txt', message, err => {
        res.statusCode = 302;
        res.setHeader('Location', '/');
        return res.end();
      });
    });
  }
  res.setHeader('Content-Type', 'text/html');
  res.write('<html>');
  res.write('<head><title>My First Page</title><head>');
  res.write('<body><h1>Hello from my Node.js Server!</h1></body>');
  res.write('</html>');
  res.end();
};

exports.handler = requestHandler;
exports.someText = 'Go To https://localhost:3000';
	const fs = require('fs');

	const requestHandler = (req, res) => {
	const url = req.url;
	const method = req.method;
	if (url === '/') {
	res.write('<html>');
	res.write('<head><title>Enter Message</title></head>');
	res.write(
	'<body><form action="/message" method="POST"><input type="text" name="message"><button type="submit">Send</button></form></body>'
	);
	res.write('</html>');
	return res.end();
	}
	if (url === '/message' && method === 'POST') {
	const body = [];
	req.on('data', chunk => {
	console.log(chunk);
	body.push(chunk);
	});
	return req.on('end', () => {
	const parsedBody = Buffer.concat(body).toString();
	const message = parsedBody.split('=')[1];
	fs.writeFile('message.txt', message, err => {
	res.statusCode = 302;
	res.setHeader('Location', '/');
	return res.end();
	});
	});
	}
	res.setHeader('Content-Type', 'text/html');
	res.write('<html>');
	res.write('<head><title>My First Page</title><head>');
	res.write('<body><h1>Hello from my Node.js Server!</h1></body>');
	res.write('</html>');
	res.end();
	};

	exports.handler = requestHandler;
	exports.someText = 'Go To https://localhost:3000';