counter-example

packages/redux-devtools/examples/counter/src/reducers/index.ts

@@ -1,9 +1,14 @@
-import { combineReducers } from 'redux';
+import { combineReducers, Reducer } from 'redux';
 import counter from './counter';
+import { CounterAction } from '../actions/CounterActions';
 
-const rootReducer = combineReducers({
+const rootReducer: Reducer<
+  CounterState,
+  CounterAction,
+  Partial<CounterState>
+> = combineReducers({
   counter,
-});
+}) as any;
 
 export interface CounterState {
   counter: number;

packages/redux-devtools/examples/counter/src/store/configureStore.dev.ts

@@ -2,34 +2,40 @@ import {
   createStore,
   applyMiddleware,
   compose,
-  PreloadedState,
   Reducer,
+  StoreEnhancer,
+  Middleware,
 } from 'redux';
 import { persistState } from '@redux-devtools/core';
 import thunk from 'redux-thunk';
 import rootReducer, { CounterState } from '../reducers';
 import DevTools from '../containers/DevTools';
+import { CounterAction } from '../actions/CounterActions';
 
 function getDebugSessionKey() {
   const matches = /[?&]debug_session=([^&#]+)\b/.exec(window.location.href);
   return matches && matches.length > 0 ? matches[1] : null;
 }
 
-const enhancer = compose(
+const enhancer: StoreEnhancer = compose(
-  applyMiddleware(thunk),
+  applyMiddleware(thunk as unknown as Middleware),
   DevTools.instrument(),
   persistState(getDebugSessionKey()),
 );
 
-export default function configureStore(
+export default function configureStore(initialState?: Partial<CounterState>) {
-  initialState?: PreloadedState<CounterState>,
-) {
   const store = createStore(rootReducer, initialState, enhancer);
 
   if (module.hot) {
     module.hot.accept('../reducers', () =>
       // eslint-disable-next-line @typescript-eslint/no-require-imports
-      store.replaceReducer(require('../reducers').default as Reducer),
+      store.replaceReducer(
+        require('../reducers').default as Reducer<
+          CounterState,
+          CounterAction,
+          Partial<CounterState>
+        >,
+      ),
     );
   }
 

packages/redux-devtools/examples/counter/src/store/configureStore.prod.ts

@@ -1,11 +1,9 @@
-import { createStore, applyMiddleware, PreloadedState } from 'redux';
+import { createStore, applyMiddleware, Middleware } from 'redux';
 import thunk from 'redux-thunk';
 import rootReducer, { CounterState } from '../reducers';
 
-const enhancer = applyMiddleware(thunk);
+const enhancer = applyMiddleware(thunk as unknown as Middleware);
 
-export default function configureStore(
+export default function configureStore(initialState?: Partial<CounterState>) {
-  initialState?: PreloadedState<CounterState>,
-) {
   return createStore(rootReducer, initialState, enhancer);
 }

packages/redux-devtools/examples/counter/src/store/configureStore.ts

@@ -1,9 +1,9 @@
-import { PreloadedState, Store } from 'redux';
+import { Store } from 'redux';
 import { CounterState } from '../reducers';
 import { CounterAction } from '../actions/CounterActions';
 
 const configureStore: (
-  initialState?: PreloadedState<CounterState>,
+  initialState?: Partial<CounterState>,
 ) => Store<CounterState, CounterAction> =
   process.env.NODE_ENV === 'production'
     ? // eslint-disable-next-line @typescript-eslint/no-require-imports