import { createServer, RequestListener, } from 'http'; const port = 3001; const requestHandler: RequestListener = (req, res): void => { console.log(`GET ${req.url}`); res.end('Hello Node.js Server'); }; const server = createServer(requestHandler); server.listen(port, () => { console.log(`server is listening on ${port}`); }); // process.on('beforeExit', server.close);