redux.js

// reducers setup

import AsyncStorage from '@react-native-async-storage/async-storage';
import { persistCombineReducers } from "redux-persist";

const config = {
  key: STORAGE_PREFIX,
  debug: ENV === "development",
  storage: AsyncStorage,
};

const reducer = persistCombineReducers(config, {
  a, b, c,
});

// create store

import { configureStore } from "@reduxjs/toolkit";
import { persistStore } from "redux-persist";

const store = configureStore({
  reducer,
  middleware: getDefaultMiddleware =>
    getDefaultMiddleware({
      thunk: false,
      serializableCheck: false,
      immutableCheck: false,
    }).concat([...]),
});

const persistor = persistStore(store);