React-default-setting

react : 리액트 라이브러리
react-dom : browser, dom, webapp 관리

$ npm install react react-dom

@babel/preset-react : jsx 문법을 javascript로 변환

$ npm install @babel/preset-react

//  package.json

{
  "name": "React",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "prod": "webpack --mode=production",
    "dev": "webpack --mode=development",
    "watch": "webpack-dev-server --mode development --open --hot"
  },
  "keywords": [
    "webpack","React"
  ],
  "author": "",
  "license": "MIT",
  "devDependencies": {
    "@babel/core": "^7.10.5",
    "@babel/preset-env": "^7.10.4",
    "@babel/preset-react": "^7.10.4", // react 프로젝트할때 추가합니다.
    "babel-loader": "^8.1.0",
    "html-webpack-plugin": "^4.3.0",
    "webpack": "^4.41.2",
    "webpack-cli": "^3.3.10",
    "webpack-dev-server": "^3.11.0",
    "webpack-merge": "^5.0.9"
  },
  "dependencies": {
    "@babel/polyfill": "^7.10.4",
    "react": "^16.13.1",  //react 프로젝트할때 추가합니다.
    "react-dom": "^16.13.1"  //react 프로젝트할때 추가합니다.
  }
}

//.babelrc

{
    "presets": [
        "@babel/env",
        "@babel/react" //react 프로젝트할때 추가합니다.
    ]
}

// webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
require("@babel/polyfill");

module.exports = {
    entry: {
        app: [
            '@babel/polyfill',
            path.join(__dirname, './src/index.js')
        ]
    },
    module: {
        rules: [
            { //react 프로젝트할때 추가합니다. ST
                test: /\.(js|jsx)$/,
                exclude: /node_module/,
                use: {
                    loader: 'babel-loader'
                }
            }, //react 프로젝트할때 추가합니다. ED
            {
                test: /\.js$/,
                loader: 'babel-loader'
            },
            {
                test: /\.css$/,
                use: [
                  'css-loader'
                ]
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: './public/index.html',
            filename: 'index.html'
        })
    ],
    output: {
        filename: '[name].js',
        path: path.join(__dirname, 'dist')
    },
}

<!-- public/index.html -->

<!DOCTYPE html>
<html lang="ko">
<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>My React App</title>
</head>
<body>
    <div id="root"></div>
</body>
</html>

// src/App.js

import React from 'react';
import Hello from './component/Hello';

function App() {
    return (
    <>
        <Hello />
    </>
    )
};

export default App;

// src/index.js

import React from 'react';
import ReactDOM from 'react-dom';
import App from './App'

ReactDOM.render(<App />, document.getElementById("root"));

리액트를 수동으로 처음부터 환경설정을 한다고 했을때 기본적인 폴더 구조입니다.

Previouswebpack의 핵심 패키지 NextVue-default-setting

Last updated 4 years ago

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// package.json { "name": "React", "version": "1.0.0", "description": "", "main": "index.js", "scripts": { "prod": "webpack --mode=production", "dev": "webpack --mode=development", "watch": "webpack-dev-server --mode development --open --hot" }, "keywords": [ "webpack","React" ], "author": "", "license": "MIT", "devDependencies": { "@babel/core": "^7.10.5", "@babel/preset-env": "^7.10.4", "@babel/preset-react": "^7.10.4", // react 프로젝트할때 추가합니다. "babel-loader": "^8.1.0", "html-webpack-plugin": "^4.3.0", "webpack": "^4.41.2", "webpack-cli": "^3.3.10", "webpack-dev-server": "^3.11.0", "webpack-merge": "^5.0.9" }, "dependencies": { "@babel/polyfill": "^7.10.4", "react": "^16.13.1", //react 프로젝트할때 추가합니다. "react-dom": "^16.13.1" //react 프로젝트할때 추가합니다. } }

// webpack.config.js const path = require('path'); const HtmlWebpackPlugin = require('html-webpack-plugin'); require("@babel/polyfill"); module.exports = { entry: { app: [ '@babel/polyfill', path.join(__dirname, './src/index.js') ] }, module: { rules: [ { //react 프로젝트할때 추가합니다. ST test: /\.(js|jsx)$/, exclude: /node_module/, use: { loader: 'babel-loader' } }, //react 프로젝트할때 추가합니다. ED { test: /\.js$/, loader: 'babel-loader' }, { test: /\.css$/, use: [ 'css-loader' ] } ] }, plugins: [ new HtmlWebpackPlugin({ template: './public/index.html', filename: 'index.html' }) ], output: { filename: '[name].js', path: path.join(__dirname, 'dist') }, }

 <!DOCTYPE html> <html lang="ko"> <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>My React App</title> </head> <body> <div id="root"></div> </body> </html>