Function handleApp

starters/dev-server.ts:61–115

(req: Request, res: Response, next: NextFunction)

// dev server builds ssr's the starter app on-demand (don't do this in production)
const cache = new Map<string, Promise<QwikManifest>>();
async function handleApp(req: Request, res: Response, next: NextFunction) {
  try {
    let url;
    try {
      url = new URL(req.url, address);
    } catch {
      res.status(404).send();
      return;
    }
    if (existsSync(url.pathname)) {
      const relPath = relative(startersAppsDir, url.pathname);
      if (!relPath.startsWith(".")) {
        url.pathname = relPath;
      }
    }
    const paths = url.pathname.split("/");
    const appName = paths[1];
    const appDir = join(startersAppsDir, appName);
    if (!existsSync(appDir)) {
      res.status(404).send(`❌ Invalid dev-server path: ${appDir}`);
      return;
    }

    console.log(req.method, req.url, `[${appName} build/ssr]`);

    const pkgPath = join(appDir, "package.json");
    const pkgJson: PackageJSON = JSON.parse(readFileSync(pkgPath, "utf-8"));
    const enableCityServer = !!pkgJson.__qwik__?.qwikCity;

    let clientManifest = cache.get(appDir);
    if (!clientManifest) {
      clientManifest = buildApp(appDir, appName, enableCityServer);
      cache.set(appDir, clientManifest);
    }

    const resolved = await clientManifest;
    if (url.pathname.endsWith(".js")) {
      res.set("Content-Type", "text/javascript");
    } else {
      res.set("Content-Type", "text/html");
    }
    if (enableCityServer) {
      await cityApp(req, res, next, appDir);
    } else {
      await ssrApp(req, res, appName, appDir, resolved);
      res.end();
    }
  } catch (e: any) {
    console.error(e);
    if (!res.headersSent) {
      res.set("Content-Type", "text/plain; charset=utf-8");
      res.send(`❌ ${e.stack || e}`);
    }
  }
}

async function buildApp(
  appDir: string,