@selemondev/create-react-next/template/react-ts/src/store/appStore.ts

The Next Generation React Scaffolding Tool ✨

import { configureStore } from '@reduxjs/toolkit'
import counterReducer from "../features/counter/counterSlice"

export const store = configureStore({
  reducer: {
    counter: counterReducer,
  },
})

export type RootState = ReturnType<typeof store.getState>
export type AppDispatch = typeof store.dispatch