import 'package:go_router/go_router.dart';

/// Set once in [startApp] so services (e.g. [TokenService.logout]) can navigate
/// when [BuildContext] has no [GoRouter] ancestor (e.g. ApiService from MyApp).
GoRouter? appGoRouter;

void registerAppGoRouter(GoRouter router) {
  appGoRouter = router;
}

void navigateAppTo(String location) {
  final router = appGoRouter;
  if (router == null) {
    throw StateError('GoRouter not registered. Call registerAppGoRouter first.');
  }
  router.go(location);
}