import { configureStore } from '@reduxjs/toolkit'; import appSlice from './app/slice'; const store = configureStore({ reducer: { app: appSlice } }); // Infer the `RootState` and `AppDispatch` types from the store itself export type RootState = ReturnType; // Inferred type: {posts: PostsState, comments: CommentsState, users: UsersState} export type AppDispatch = typeof store.dispatch; export default store;