JAVASCRIPT

redux toolkit with redux persist

import {configureStore} from '@reduxjs/toolkit';
import storage from 'redux-persist/lib/storage'
import {combineReducers} from "redux"; 
import { persistReducer } from 'redux-persist'
import thunk from 'redux-thunk'

const reducers = combineReducers({
 //...            
});

const persistConfig = {
    key: 'root',
    storage
};

const persistedReducer = persistReducer(persistConfig, reducers);


const store = configureStore({
    reducer: persistedReducer,
    devTools: process.env.NODE_ENV !== 'production',
    middleware: [thunk]
});

export default store;

redux toolkit store

// store.js

import { configureStore } from '@reduxjs/toolkit'

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


// index.js 

import { store } from './app/store'
import { Provider } from 'react-redux'

ReactDOM.render(
  <Provider store={store}>
    <App />
  </Provider>,
  document.getElementById('root')
)

redux toolkit with redux persist

import store from './app/store';
import { PersistGate } from 'redux-persist/integration/react'
import { persistStore } from 'redux-persist'

let persistor = persistStore(store);

    <Provider store={store}>
        <PersistGate loading={null} persistor={persistor}>
        <App/>
        </PersistGate>
    </Provider>,

redux toolkit reducer

import {createAction, createReducer} from '@reduxjs/toolkit ;
//Action
const add = createAction('add');
//Reducer
const Reducer = createReducer(initialState= 0, (builder)=>{
  builder.addCase(add, (state,action) => state + 1)
})