webpack构建简单的react开发环境


目录结构

webpack构建简单的react开发环境_目录结构

package.json

{
  "name": "react-demo",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "build": "webpack --config webpack.config.js"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "react": "^16.8.6",
    "react-dom": "^16.8.6"
  },
  "devDependencies": {
    "babel-core": "^6.26.3",
    "babel-loader": "^7.1.5",
    "babel-plugin-transform-runtime": "^6.23.0",
    "babel-preset-env": "^1.7.0",
    "babel-preset-es2015": "^6.24.1",
    "babel-preset-react": "^6.24.1",
    "babel-preset-stage-0": "^6.24.1",
    "html-webpack-plugin": "^3.2.0",
    "webpack": "^4.36.1",
    "webpack-cli": "^3.3.6"
  }
}

webpack配置

const path = require('path');
// 导入自动生成HTMl文件的插件
const htmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  mode: 'development',// 设置mode

  plugins: [ // 添加plugins节点配置插件
    new htmlWebpackPlugin({
      template: path.resolve(__dirname, 'src/index.html'),//模板路径
      filename: 'index.html'//自动生成的HTML文件的名称
    })
  ],
  module: { // 用来配置第三方loader模块的
    rules: [ // 文件的匹配规则
      { test: /\.js|jsx$/, use: 'babel-loader', exclude: /node_modules/ }
    ]
  }
};

.babelrc

{
    "presets": ["env", "stage-0", "react"],
    "plugins": ["transform-runtime"]
  }

src

webpack构建简单的react开发环境_html_02

编译

npm run build

效果图

webpack构建简单的react开发环境_自动生成_03