Function extract

packages/angular/ssr/src/routes/ng-routes.ts:811–851

()

  } = options;

  async function extract(): Promise<{
    appShellRoute: string | undefined;
    routeTree: RouteTree<{}>;
    errors: string[];
  }> {
    const routeTree = new RouteTree();
    const document = await new ServerAssets(manifest).getIndexServerHtml().text();
    const bootstrap = await manifest.bootstrap();
    const { baseHref, appShellRoute, routes, errors } = await getRoutesFromAngularRouterConfig(
      bootstrap,
      document,
      url,
      invokeGetPrerenderParams,
      includePrerenderFallbackRoutes,
      manifest.entryPointToBrowserMapping,
    );

    for (const { route, ...metadata } of routes) {
      if (metadata.redirectTo !== undefined) {
        metadata.redirectTo = joinUrlParts(baseHref, metadata.redirectTo);
      }

      // Remove undefined fields
      // Helps avoid unnecessary test updates
      for (const [key, value] of Object.entries(metadata)) {
        if (value === undefined) {
          // eslint-disable-next-line @typescript-eslint/no-explicit-any
          delete (metadata as any)[key];
        }
      }

      const fullRoute = joinUrlParts(baseHref, route);
      routeTree.insert(fullRoute, metadata);
    }

    return {
      appShellRoute,
      routeTree,
      errors,
    };
  }

  return signal ? promiseWithAbort(extract(), signal, 'Routes extraction') : extract();
}