浅学webpack[0]

浅学webpack[0]

webpack.config.js文件

const path = require('path')   // NODE 自带的API 
module.exports = {
    
    
    mode:"development",  // 当前环境  test production development 
    entry:'./src/main.js',    // 入口文件
    output:{
    
      // 出口文件 
        path: path.join(__dirname,'dist'),  // __dirname 根目录  dist
        filename:'bundle.js'
    },

    devtool:"source-map",  // 打开你的资源图 方便在线调试  (缺点 容易被别人偷代码 上线一定要关闭)

    // 模块定义打包规则
    module:{
    
    
        rules:[
            {
    
    
                test:/\.css$/,
                use:['style-loader','css-loader'], 
            },
            {
    
    
                test:/\.(sass|scss)$/,
                use:['style-loader','css-loader','sass-loader']
            },
            {
    
    
                test:/\.less$/,
                use:['style-loader','css-loader','less-loader']
            },
            {
    
    
                test:/\.js$/,
                // include
                exclude:/node_modules/,
                use:['babel-loader']
            }
        ]
    }
}

package.json文件

{
    
    
  "name": "webpackdemo",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    
    
    "test": "echo \"Error: no test specified\" && exit 1",
    "build": "rimraf dist &&  webpack",
    "start": "webpack-dev-server --hot --open"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "devDependencies": {
    
    
    "babel-core": "^6.26.3",
    "babel-loader": "^7.1.5",
    "babel-preset-env": "^1.7.0",
    "css-loader": "^6.7.2",
    "forever": "^4.0.3",
    "gulp": "^4.0.2",
    "less": "^4.1.3",
    "less-loader": "^11.1.0",
    "nodemon": "^2.0.20",
    "pm2": "^5.2.2",
    "sass": "^1.56.2",
    "sass-loader": "^13.2.0",
    "source-map": "^0.7.4",
    "style-loader": "^3.3.1",
    "webpack": "^5.75.0",
    "webpack-cli": "^5.0.1",
    "webpack-dev-server": "^4.11.1"
  },
  "dependencies": {
    
    
    "moment": "^2.29.4",
    "react": "^18.2.0",
    "vue": "^2.7.14"
  }
}