import net, {Socket} from 'net';

export function createServer() {
  const client: Socket = new net.Socket();

  client.setEncoding('utf8');

  client.on('connect', function() {
    console.log('Client: connection established with server');

    client.write('hello from client');
  });

  client.on('data', function(data) {
    console.log('Data from server: ' + data);
  });

  return {
    listen(port?: number) {
      client.connect({
        port: port || 3000,
      });
    },
  };
}

const server = createServer();
const port = 3000;

server.listen(port);