1. Export viewMiddleware & adapterMiddleware

2. Fix ViewMiddleware,EffectMiddleware,AdapterMiddleware bug inverter
3. fix connectStores bug by triggle once

example/lib/app.dart

@@ -14,7 +14,13 @@ Page<T, dynamic> connectExtraStore<T extends GlobalBaseState<T>>(
       return pagestate.themeColor == appState.themeColor
           ? pagestate
           : (pagestate.clone()..themeColor = appState.themeColor);
-    });
+    })
+    ..updateMiddleware(
+      view: (List<ViewMiddleware<T>> viewMiddleware) {
+        viewMiddleware.add(safetyView());
+      },
+      // adapter:
+    );
 }
 
 Widget createApp() {

example/lib/todo_edit_page/action.dart

@@ -3,13 +3,12 @@ import 'package:fish_redux/fish_redux.dart';
 enum ToDoEditAction { update, onDone, onChangeTheme }
 
 class ToDoEditActionCreator {
-  static Action update(String name, String desc, String themeidx) {
+  static Action update(String name, String desc) {
     return Action(
       ToDoEditAction.update,
       payload: <String, String>{
         'name': name,
         'desc': desc,
-        'themeidx': themeidx
       },
     );
   }

example/lib/todo_edit_page/effect.dart

@@ -16,13 +16,13 @@ Effect<TodoEditState> buildEffect() {
 
 void _init(Action action, Context<TodoEditState> ctx) {
   ctx.state.nameEditController.addListener(() {
-    ctx.dispatch(ToDoEditActionCreator.update(
-        ctx.state.nameEditController.text, null, null));
+    ctx.dispatch(
+        ToDoEditActionCreator.update(ctx.state.nameEditController.text, null));
   });
 
   ctx.state.descEditController.addListener(() {
-    ctx.dispatch(ToDoEditActionCreator.update(
-        null, ctx.state.descEditController.text, null));
+    ctx.dispatch(
+        ToDoEditActionCreator.update(null, ctx.state.descEditController.text));
   });
 }
 

example/lib/todo_edit_page/state.dart

@@ -21,7 +21,8 @@ class TodoEditState implements GlobalBaseState<TodoEditState> {
       ..descEditController = descEditController
       ..focusNodeName = focusNodeName
       ..focusNodeDesc = focusNodeDesc
-      ..toDo = toDo;
+      ..toDo = toDo
+      ..themeColor = themeColor;
   }
 }
 

lib/src/redux_component/mixed_store.dart

@@ -112,13 +112,25 @@ mixin _EffectEnhance<T> on MixedStore<T> implements EffectEnhancer<T> {
       effectMiddleware?.call(logic, this)?.call(higherEffect) ?? higherEffect;
 }
 
+ViewBuilder<dynamic> _inverterView<K>(ViewBuilder<K> view) {
+  return (dynamic state, Dispatch dispatch, ViewService viewService) {
+    return view(state, dispatch, viewService);
+  };
+}
+
+AdapterBuilder<dynamic> _inverterAdapter<K>(AdapterBuilder<K> adapter) {
+  return (dynamic state, Dispatch dispatch, ViewService viewService) {
+    return adapter(state, dispatch, viewService);
+  };
+}
+
 mixin _ViewEnhance<T> on MixedStore<T> implements ViewEnhancer<T> {
   ViewMiddleware<T> get viewMiddleware;
 
   @override
   ViewBuilder<K> viewEnhance<K>(
           ViewBuilder<K> view, AbstractComponent<K> component) =>
-      viewMiddleware?.call(component, this)?.call(view) ?? view;
+      viewMiddleware?.call(component, this)?.call(_inverterView(view)) ?? view;
 }
 
 mixin _AdapterEnhance<T> on MixedStore<T> implements AdapterEnhancer<T> {
@@ -127,7 +139,9 @@ mixin _AdapterEnhance<T> on MixedStore<T> implements AdapterEnhancer<T> {
   @override
   AdapterBuilder<K> adapterEnhance<K>(
           AdapterBuilder<K> adapterBuilder, AbstractAdapter<K> adapter) =>
-      adapterMiddleware?.call(adapter, this)?.call(adapterBuilder) ??
+      adapterMiddleware
+          ?.call(adapter, this)
+          ?.call(_inverterAdapter(adapterBuilder)) ??
       adapterBuilder;
 }
 
@@ -207,13 +221,18 @@ MixedStore<T> connectStores<T, K>(
   Store<K> extraStore,
   T Function(T, K) update,
 ) {
-  final void Function() unsubscribe = extraStore.subscribe(() {
+  final void Function() subscriber = () {
     final T prevT = mainStore.getState();
     final T nextT = update(prevT, extraStore.getState());
-    if (prevT != nextT && nextT != null) {
+    if (nextT != null && !identical(prevT, nextT)) {
       mainStore.dispatch(Action(_UpdateState.Assign, payload: nextT));
     }
-  });
+  };
+
+  final void Function() unsubscribe = extraStore.subscribe(subscriber);
+
+  /// should triggle once
+  subscriber();
 
   final Future<dynamic> Function() superMainTD = mainStore.teardown;
   mainStore.teardown = () {

lib/src/redux_component/page.dart

@@ -92,16 +92,16 @@ abstract class Page<T, P> extends Component<T> {
           connectStores<T, K>(store, extraStore, update));
 
   /// inject app-middleware
-  void updateProperties({
-    List<Middleware<T>> dispatchMiddleware,
-    List<ViewMiddleware<T>> viewMiddleware,
-    List<EffectMiddleware<T>> effectMiddleware,
-    List<AdapterMiddleware<T>> adapterMiddleware,
+  void updateMiddleware({
+    void Function(List<Middleware<T>>) dispatch,
+    void Function(List<ViewMiddleware<T>>) view,
+    void Function(List<EffectMiddleware<T>>) effect,
+    void Function(List<AdapterMiddleware<T>>) adapter,
   }) {
-    _dispatchMiddleware.addAll(dispatchMiddleware ?? <Middleware<T>>[]);
-    _viewMiddleware.addAll(viewMiddleware ?? <ViewMiddleware<T>>[]);
-    _effectMiddleware.addAll(effectMiddleware ?? <EffectMiddleware<T>>[]);
-    _adapterMiddleware.addAll(adapterMiddleware ?? <AdapterMiddleware<T>>[]);
+    dispatch?.call(_dispatchMiddleware);
+    view?.call(_viewMiddleware);
+    effect?.call(_effectMiddleware);
+    adapter?.call(_adapterMiddleware);
   }
 }
 

lib/src/redux_middleware/adapter_middleware/adapter_middleware.dart

@@ -0,0 +1 @@
+export 'safety_adapter.dart';

lib/src/redux_middleware/redux_middleware.dart

@@ -1 +1,3 @@
+export 'adapter_middleware/adapter_middleware.dart';
 export 'middleware/middleware.dart';
+export 'view_middleware/view_middleware.dart';

lib/src/redux_middleware/view_middleware/view_middleware.dart

@@ -0,0 +1 @@
+export 'safety_view.dart';