import http from 'node:http';
import { once } from 'node:events';
let ready = false;
const server = http.createServer((request, response) => {
  if (request.url !== '/ready') return response.writeHead(404).end();
  response
    .writeHead(ready ? 200 : 503, { 'content-type': 'text/plain' })
    .end(ready ? 'ready' : 'not ready');
});
server.listen(0, '127.0.0.1');
await once(server, 'listening');
const base = 'http://127.0.0.1:' + server.address().port;
try {
  let response = await fetch(base + '/ready');
  await response.text();
  console.log(response.status);
  ready = true;
  response = await fetch(base + '/ready');
  await response.text();
  console.log(response.status);
} finally {
  server.closeAllConnections();
  await new Promise((resolve, reject) =>
    server.close((error) => (error ? reject(error) : resolve())),
  );
}