webpack配置-库-es6转es5

• 项目地址:码云
• .babelrc

  {
        
        
    "presets": [
      "@babel/preset-env"
    ],
    "plugins": [
      [
        "@babel/plugin-transform-runtime",
        {
        
        
          "corejs": 3,
          "helpers": true,
          "regenerator": true,
          "useESModules": false
        }
      ]
    ]
  }
  

• .gitignore

  .DS_Store
  node_modules/
  dist/
  npm-debug.log*
  yarn-debug.log*
  yarn-error.log*
  打包好的文件/
  
  # Editor directories and files
  .idea
  .vscode
  *.suo
  *.ntvs*
  *.njsproj
  *.sln
  *.zip
  

• package.json

  {
        
        
    "name": "es6-es5-library",
    "version": "1.0.0",
    "description": "",
    "main": "index.js",
    "scripts": {
        
        
      "build": "webpack"
    },
    "author": "Xavier",
    "license": "ISC",
    "devDependencies": {
        
        
      "@babel/core": "^7.12.10",
      "@babel/plugin-transform-runtime": "^7.12.10",
      "@babel/preset-env": "^7.12.11",
      "babel-loader": "^8.2.2",
      "clean-webpack-plugin": "^3.0.0",
      "webpack": "^4.44.2",
      "webpack-cli": "^3.3.12"
    },
    "dependencies": {
        
        
      "@babel/runtime": "^7.12.5",
      "@babel/runtime-corejs3": "^7.12.5"
    }
  }
  

• webpack.config.js

  const path = require('path');
  const {
        
         CleanWebpackPlugin } = require('clean-webpack-plugin');
  module.exports = {
        
        
    mode: 'development',
    devtool: 'cheap-module-source-map',
    entry: {
        
        
      index: './src/index.js'
    },
    module: {
        
        
      rules: [
        {
        
        
          test: /\.m?js$/,
          exclude: /node_modules/,
          use: {
        
        
            loader: "babel-loader"
          }
        }
      ]
    },
    output: {
        
        
      path: path.resolve(__dirname, 'dist'),
      filename: '[name].js'
    },
    plugins: [
      new CleanWebpackPlugin()
    ]
  }