import net from 'net';

export function isPortAvailable(port: number | string): Promise<boolean> {
  return new Promise((resolve) => {
    const server = net.createServer();

    server.once('error', () => {
      resolve(false);
    });

    server.once('listening', () => {
      server.close();
      resolve(true);
    });

    server.listen(port);
  });
}