lazy_routes.ts

export function listLazyRoutes(
    moduleMeta: CompileNgModuleMetadata, reflector: StaticReflector): LazyRoute[] {
  const allLazyRoutes: LazyRoute[] = [];
  for (const {provider, module} of moduleMeta.transitiveModule.providers) {
    if (tokenReference(provider.token) === reflector.ROUTES) {
      const loadChildren = _collectLoadChildren(provider.useValue);
      for (const route of loadChildren) {
        allLazyRoutes.push(parseLazyRoute(route, reflector, module.reference));
      }
    }
  }
  return allLazyRoutes;
}

export function parseLazyRoute(
    route: string, reflector: StaticReflector, module?: StaticSymbol): LazyRoute {
  const [routePath, routeName] = route.split('#');
  const referencedModule = reflector.resolveExternalReference(
      {
        moduleName: routePath,
        name: routeName,
      },
      module ? module.filePath : undefined);
  return {route: route, module: module || referencedModule, referencedModule};
}