redux-devtools

설치

npm i redux-devtools-extension -D

composeWithDevTools 사용

import { applyMiddleware, createStore } from 'redux'
import todoApp from './reducers/reducer'
import {composeWithDevTools}  from 'redux-devtools-extension';
import thunk from 'redux-thunk';

//applyMiddleware는 함수를 리턴할떄만 반응하고 객체를 리턴할때는
const store = createStore(todoApp, composeWithDevTools(applyMiddleware(thunk)));
export default store;