A throw nobody catches

1const http = require('node:http');2process.on('unhandledRejection', (err) => console.log('unhandled: ' + err.message));3const server = http.createServer(async (req, res) => {4  console.log('handler starts');5  throw new Error('db down');6});7server.listen(0, async () => {8  const { port } = server.address();9  try {10    await fetch(`http://localhost:${port}`, { signal: AbortSignal.timeout(200) });11  } catch (err) {12    console.log('client: ' + err.name);13  }14  server.closeAllConnections();15  server.close();16});