Function connectToDaemon

npm_modules/cli/src/utils/daemonClient.ts:386–417

(port: number = DEFAULT_PORT)

}

export async function connectToDaemon(port: number = DEFAULT_PORT): Promise<DaemonConnection> {
  // Only set up adb forwarding for mobile ports — standalone macOS apps listen
  // directly on localhost and adb forward would shadow them.
  if (port !== STANDALONE_PORT) {
    await tryAdbForward(port);
  }
  return new Promise((resolve, reject) => {
    const socket = net.createConnection({ port, host: '127.0.0.1' });

    const timer = setTimeout(() => {
      socket.destroy();
      reject(new Error(`Timeout connecting to Valdi daemon on port ${port}. Is the hot-reloader running?`));
    }, 5_000);

    socket.once('connect', () => {
      clearTimeout(timer);
      resolve(new DaemonConnection(socket));
    });

    socket.once('error', (err: NodeJS.ErrnoException) => {
      clearTimeout(timer);
      if (err.code === 'ECONNREFUSED') {
        reject(new CliError(
          `Valdi daemon not running on port ${port}.\n` +
          `Start the hot-reloader (valdi hotreload) or pass --port to use a different port.`,
        ));
      } else {
        reject(err);
      }
    });
  });
}

// ─── Device / context selection helpers ──────────────────────────────────────