Function runPublicSmokeCheck

scripts/dev-server.cjs:102–131

(host, port)

}

async function runPublicSmokeCheck(host, port) {
  const deadline = Date.now() + PUBLIC_SMOKE_TIMEOUT_MS;
  let lastError = new Error('public runtime did not become healthy');

  while (Date.now() < deadline) {
    try {
      const loginResponse = await requestRuntime(host, port, '/login');
      if (loginResponse.statusCode !== 200) {
        throw new Error(`/login returned ${loginResponse.statusCode}`);
      }

      const assetPath = extractStaticAssetPath(loginResponse.body);
      if (!assetPath) {
        throw new Error('/login did not reference any /_next/static asset');
      }

      const assetResponse = await requestRuntime(host, port, assetPath, 'HEAD');
      if (assetResponse.statusCode !== 200) {
        throw new Error(`${assetPath} returned ${assetResponse.statusCode}`);
      }

      return assetPath;
    } catch (error) {
      lastError = error;
      await delay(PUBLIC_SMOKE_RETRY_MS);
    }
  }

  throw lastError;
}

function stopChild(child, signal = 'SIGTERM') {
  return new Promise((resolve) => {