export async function asyncEmit<T>(
  region: string,
  socket: Server,
  event: string,
  data: {
    id: any;
    [k: string]: any;
  }
): Promise<{ result: T; error: boolean }> {
  return new Promise((resolve, reject) => {
    socket.to(region).emit(event, data);

    const cb = (res: { result: T; error: boolean }, ack: any) => {
      if (res.error) {
        reject(res.result);
        ack('Error');
      }
      console.log('success, ', res.result);
      socket.off(`${data.id}-${event}`, cb);
      resolve(res);

      ack('Success');
    };

    socket.on(`${data.id}-${event}`, cb);

    setTimeout(() => {
      socket.off(`${data.id}-${event}`, cb);
      reject('Timed out.');
    }, 5000);
  });
}