使用 Webpack 4 和 Babel 7 创建 React 应用程序

 
 

  mkdir react_project
  cd react_project
  
  npm init -y

  npm i webpack@4 webpack-cli@3 -D //i:install -D:- save-dev
  npm i react@16 react-dom@16 -S
  npm i babel-loader@8 @babel/core @babel/preset-env @babel/preset-react -D
  npm i html-webpack-plugin -D
  npm i webpack-dev-server -D
  npm i css-loader style-loader -D

  webpack.config.js

const HtmlWebPackPlugin = require('html-webpack-plugin');
module.exports = {
    module: {
        rules: [
            {
                test: /\.js|\.jsx$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader'
                }
            },
            {
                test: /\.css$/,
                use: [
                    {
                        loader: 'style-loader'
                    },
                    {
                        loader: 'css-loader',
                        options: {
                            modules: true,
                            importLoaders: 1,
                            localIdentName: '[name]_[local]_[hash:base64]',
                            sourceMap: true,
                            minimize: true
                        }
                    }
                ]
            }
        ]
    },
    plugins: [
        new HtmlWebPackPlugin({
            template: './src/index.html',
            filename: './index.html'
        })
    ]
};

  .babelrc

{
    "presets": [
        "@babel/preset-env",
        "@babel/preset-react"
    ]
}

  src/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、Webpack4 and Babel 7</title>
</head>
<body>
  <section id="index"></section>
</body>
</html>

  src/index.js  

import React from 'react';
import ReactDOM from 'react-dom';

const Index = () => {
  return <div>Hello World React!</div>;
};

ReactDOM.render(<Index />, document.getElementById('index'));
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  npm run start  //启动项目

  //部分内容来自网络,仅记录方便自己参考



 

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转载自www.cnblogs.com/yongfengnice/p/11086715.html