oneconsole-plugin-starter/src/app/store.ts

import rootReducer, { RootState } from './rootReducer';

import { configureStore } from '@reduxjs/toolkit';

const store = (initialState? : RootState) => configureStore({
  reducer: rootReducer,
  preloadedState: initialState
});

export type AppDispatch = ReturnType<typeof store>["dispatch"];
export default store;