diff --git a/.gitignore b/.gitignore
index 31e46d1..6817bbb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ yarn-error.log
 GPUCache/
 updux-2.0.0.tgz
 pnpm-lock.yaml
+updux-5.0.0.tgz
diff --git a/.npmignore b/.npmignore
index 09420ec..fd693ab 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,18 +1,28 @@
-*.test.*
-test.*
+dist/**/*.test.js
 docs
+.eslint*
+GPUCache/
 node_modules/
-tsconfig.tsbuildinfo
-**/*.orig
-dist
-package-lock.json
-yarn.lock
 .nyc_output/
+**/*.orig
+out/
+package-lock.json
 pnpm-debug.log
 pnpm-lock.yaml
-yarn-error.log
-GPUCache/
-updux-2.0.0.tgz
-.travis.yml
+.pre-commit*
+.prettier*
 .prettierignore
+src/
+Taskfile.yaml
+*.test.*
+test.*
+TODO
 tools/gen_sidebar.pl
+.travis.yml
+tsconfig.json
+tsconfig.tsbuildinfo
+updux-2.0.0.tgz
+updux-*.tgz
+vitest.config.js
+yarn-error.log
+yarn.lock
diff --git a/package.json b/package.json
index ea2b77c..e323dde 100644
--- a/package.json
+++ b/package.json
@@ -9,13 +9,13 @@
         "updeep": "^1.2.1"
     },
     "license": "MIT",
-    "main": "src/index.js",
+    "module": "dist/index.js",
     "name": "updux",
     "description": "Updeep-friendly Redux helper framework",
     "scripts": {
         "docsify:serve": "docsify serve docs"
     },
-    "version": "4.0.0",
+    "version": "5.0.0",
     "repository": {
         "type": "git",
         "url": "git+https://github.com/yanick/updux.git"
diff --git a/src/Updux.ts b/src/Updux.ts
index 99be92a..1c0f1c5 100644
--- a/src/Updux.ts
+++ b/src/Updux.ts
@@ -45,10 +45,10 @@ type ResolveAction<
     ? ActionArg
     : ActionArg extends (...args: any) => any
     ? ActionCreatorWithPreparedPayload<
-        Parameters<ActionArg>,
-        ReturnType<ActionArg>,
-        ActionType
-    >
+          Parameters<ActionArg>,
+          ReturnType<ActionArg>,
+          ActionType
+      >
     : ActionCreatorWithoutPayload<ActionType>;
 
 type ResolveActions<
@@ -56,10 +56,10 @@ type ResolveActions<
         [key: string]: any;
     },
 > = {
-        [ActionType in keyof A]: ActionType extends string
+    [ActionType in keyof A]: ActionType extends string
         ? ResolveAction<ActionType, A[ActionType]>
         : never;
-    };
+};
 
 type Reaction<S = any, M extends MiddlewareAPI = MiddlewareAPI> = (
     api: M,
@@ -311,31 +311,44 @@ export default class Updux<
         this.#defaultMutation = { mutation, terminal };
     }
 
-    addEffect(actionCreator:
-        AggregateActions<ResolveActions<T_LocalActions>, T_Subduxes>,
-        effect: EffectMiddleware): EffectMiddleware;
-    addEffect(guardFunc: (action:
-        AggregateActions<ResolveActions<T_LocalActions>, T_Subduxes>[keyof AggregateActions<ResolveActions<T_LocalActions>, T_Subduxes>]) => boolean,
-        effect: EffectMiddleware): EffectMiddleware;
+    addEffect(
+        actionCreator: AggregateActions<
+            ResolveActions<T_LocalActions>,
+            T_Subduxes
+        >,
+        effect: EffectMiddleware,
+    ): EffectMiddleware;
+    addEffect(
+        guardFunc: (
+            action: AggregateActions<
+                ResolveActions<T_LocalActions>,
+                T_Subduxes
+            >[keyof AggregateActions<
+                ResolveActions<T_LocalActions>,
+                T_Subduxes
+            >],
+        ) => boolean,
+        effect: EffectMiddleware,
+    ): EffectMiddleware;
     addEffect(effect: EffectMiddleware): EffectMiddleware;
     addEffect(...args) {
         let effect;
         if (args.length === 1) {
             effect = args[0];
-        }
-        else {
+        } else {
             const [actionCreator, originalEffect] = args;
 
-            const test = actionCreator.hasOwnProperty('match') ?
-                actionCreator.match : actionCreator;
+            const test = actionCreator.hasOwnProperty('match')
+                ? actionCreator.match
+                : actionCreator;
 
-            effect = (api) => next => {
+            effect = (api) => (next) => {
                 const e = originalEffect(api)(next);
-                return action => {
+                return (action) => {
                     const func = test(action) ? e : next;
                     return func(action);
-                }
-            }
+                };
+            };
         }
 
         this.#localEffects.push(effect);
diff --git a/src/effects.test.ts b/src/effects.test.ts
index 41e63ae..8dcbf22 100644
--- a/src/effects.test.ts
+++ b/src/effects.test.ts
@@ -122,12 +122,12 @@ test('addEffect with actionCreator', () => {
         (api) => (next) => (action) => next(spy(action)),
     );
 
-    mw({})(next)(dux.actions.bar());
+    mw({} as any)(next)(dux.actions.bar());
     expect(next).toHaveBeenCalled();
     expect(spy).not.toHaveBeenCalled();
 
     next.mockReset();
-    mw({})(next)(dux.actions.foo());
+    mw({} as any)(next)(dux.actions.foo());
     expect(next).toHaveBeenCalled();
     expect(spy).toHaveBeenCalled();
 });
@@ -148,12 +148,12 @@ test('addEffect with function', () => {
         (api) => (next) => (action) => next(spy(action)),
     );
 
-    mw({})(next)(dux.actions.bar());
+    mw({} as any)(next)(dux.actions.bar());
     expect(next).toHaveBeenCalled();
     expect(spy).not.toHaveBeenCalled();
 
     next.mockReset();
-    mw({})(next)(dux.actions.foo());
+    mw({} as any)(next)(dux.actions.foo());
     expect(next).toHaveBeenCalled();
     expect(spy).toHaveBeenCalled();
 });
diff --git a/src/initial.test.ts b/src/initial.test.ts
index 5dc76b2..5b2145d 100644
--- a/src/initial.test.ts
+++ b/src/initial.test.ts
@@ -35,7 +35,7 @@ test('initialState to createStore', () => {
     });
 
     expect(
-        dux.createStore({ initialState: { a: 3, b: 4 } }).getState(),
+        dux.createStore({ preloadedState: { a: 3, b: 4 } }).getState(),
     ).toEqual({
         a: 3,
         b: 4,