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routes.js
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const fs = require('fs');
const requestHandler = (req, res) => {
const url = req.url;
const method = req.method;
if (url === '/') {
res.write('<html lang="en">');
res.write('<head><title>Enter Message</title></head>');
res.write('<body><form action="/message" method="POST"><input type="text" name="message"><button type="submit">Submit</button></form></body>');
res.write('</html>');
return res.end();
}
if (url === '/message' && method === 'POST') {
let body = [];
// buffer
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 lang="en">');
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();
};
module.exports = {
handler: requestHandler,
};