Function portAvailable

packages/simdeck-test/src/index.ts:870–878

(port: number)

}

function portAvailable(port: number): Promise<boolean> {
  return new Promise((resolve) => {
    const server = net.createServer();
    server.once("error", () => resolve(false));
    server.listen(port, "127.0.0.1", () => {
      server.close(() => resolve(true));
    });
  });
}

function runJson<T>(
  command: string,