import dns from 'node:dns';
import net from 'node:net';

// dns.lookup callback style to mirror original behavior
dns.lookup('localhost', (err, address, family) => {
  console.log(err, address, family);

  const server = net.createServer();
  server.listen(3000, 'localhost', () => {
    console.log(JSON.stringify(server.address()));
    server.close(() => {
      // In Node this exits the process; in Deno it just ends the script
      if (typeof process !== 'undefined' && process.exit) {
        process.exit(0);
      }
    });
  });
});