React-toastify https://fkhadra.github.io/react-toastify/introduction/ 기본적으로 우측 상단에 토스트 메세지가 나오도록 만들어져 있다. Installation With npm: npm install --save react-toastify With yarn: yarn add react-toastify The gist 프로젝트 최상단의 toastify css파일과, 컴포넌트를 사용한다. Remember to render the ToastContainer once in your application tree. If you can't figure out where to put it, rendering it in the application root would..