New source found from dndbeyond.com

ddb_main/tools/js/Shared/stores/StateStoreUtils.ts

@@ -1,11 +1,17 @@
-import { applyMiddleware, createStore, Reducer, Store } from "redux";
-import { composeWithDevTools } from "redux-devtools-extension";
+import {
+  applyMiddleware,
+  Reducer,
+  Store,
+  PreloadedState,
+  AnyAction,
+  legacy_createStore,
+  compose,
+} from "redux";
 import createSagaMiddleware from "redux-saga";
 
 import {
   defaultSaga,
   ApiAdapterException,
-  OverrideApiException,
 } from "@dndbeyond/character-rules-engine/es";
 
 import { rollResultSaga } from "../sagas";
@@ -17,12 +23,13 @@ export function getAppStore(): Store | null {
   return store;
 }
 
-export function configureStore(
-  initialState: any,
-  rootReducer: Reducer,
+// Generic store configurator with improved typing; defaults preserve previous 'any' behavior
+export function configureStore<S = any, A extends AnyAction = AnyAction>(
+  initialState: PreloadedState<S>,
+  rootReducer: Reducer<S, A>,
   sagaMiddleware: Array<any> = [],
   middleware: Array<any> = []
-): Store {
+): Store<S, A> {
   const storeSagaMiddleware = createSagaMiddleware({
     onError: (error, errorInfo) => {
       // ApiAdapterException errors are handled by the AppApiAdapter
@@ -36,10 +43,19 @@ export function configureStore(
   storeMiddleware.push(...middleware);
   storeMiddleware.push(storeSagaMiddleware);
 
-  store = createStore(
-    rootReducer,
-    initialState,
-    composeWithDevTools(applyMiddleware(...storeMiddleware))
+  // Use conditional DevTools setup for better compatibility
+  const composeEnhancers =
+    (typeof window !== "undefined" &&
+      (window as any).__REDUX_DEVTOOLS_EXTENSION_COMPOSE__) ||
+    compose;
+
+  const appliedMiddleware = applyMiddleware(...storeMiddleware);
+  const enhancer = composeEnhancers(appliedMiddleware);
+
+  store = legacy_createStore<S, A, {}, {}>(
+    rootReducer as Reducer<S, A>,
+    initialState as PreloadedState<S>,
+    enhancer
   );
 
   storeSagaMiddleware.run(defaultSaga);
@@ -48,5 +64,5 @@ export function configureStore(
     storeSagaMiddleware.run(sagaMiddleware[i]);
   }
 
-  return store;
+  return store as Store<S, A>;
 }