Function shutdown

scripts/dev-server.cjs:280–290

()

    });

    const shutdown = () => {
      if (shuttingDown) return;
      shuttingDown = true;
      if (processKeepAlive) {
        clearInterval(processKeepAlive);
        processKeepAlive = null;
      }
      server.close(() => {
        child.kill('SIGTERM');
      });
    };

    process.on('SIGINT', shutdown);
    process.on('SIGTERM', shutdown);