evaluate method

Implementation

Future<RouteBase?> evaluate(BuildContext context) async {
  if (_initializedInstance != null) {
    return _initializedInstance;
  }

  final value = (await condition?.execute(context)) ?? defaultCase;
  final caseItem =
      (cases ?? <CaseRouteItem>[]).firstWhereOrNull((x) => x.value == value);

  final ref = caseItem?.item;
  RouteBase? leafRoute;

  if (ref != null) {
    final route = await VyuhBinding.instance.content.provider
        .fetchRoute(routeId: ref.ref);
    if (!context.mounted) {
      return null;
    }

    leafRoute = await route?.init(context);
  }

  _initializedInstance = leafRoute;
  return _initializedInstance;
}