SETUP
pakage.json
yarn init -yparcel 및 react 설치
yarn add -D parcel-bundler
yarn add react react-routerindex.html
mkdir public
touch index.html<!-- public/index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>React, Parcel</title>
</head>
<body>
<div id="root"></div>
<!-- src 폴더에 index.tsx을 만들어 줍니다 -->
<script src="../src/index.tsx" type="text/javascript"></script>
</body>
</html>index.tsc
mkdir src
touch index.tsx// src/index.tsc
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<div>Parcel with React!</div>, document.getElementById('root'));// package.json
...
"scripts": {
"dev": "parcel ./public/index.html"
},실행
yarn dev
정확하게 알고, 제대로 사용하자