import dgram from 'node:dgram';
import { once } from 'node:events';
const receiver = dgram.createSocket('udp4'),
  sender = dgram.createSocket('udp4');
receiver.bind(0, '127.0.0.1');
await once(receiver, 'listening');
try {
  const received = once(receiver, 'message', { signal: AbortSignal.timeout(2000) });
  await new Promise((resolve, reject) =>
    sender.send(
      Buffer.from('kit:ready'),
      receiver.address().port,
      '127.0.0.1',
      (error) => (error ? reject(error) : resolve()),
    ),
  );
  const [message] = await received;
  console.log(message.toString());
} finally {
  sender.close();
  receiver.close();
}