weabpack 项目模板&配置

weabpack 项目模板&配置

项目目录 https://gitee.com/zhuyunjiandull/webpack_project

1. 初始化
   npm init -y

2. 安装工具包

npm i -D webpack webpack-cli typescript ts-loader
npm i -D html-webpack-plugin  webpack-dev-server  clean-webpack-plugin 
npm i -D @babel/core @babel/preset-env babel-loader core-js
npm i -D less less-loader css-loader style-loader

3. 创建文件6个基本的文件

package.json

{
  "name": "webpack_project",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "build": "webpack",
    "start": "webpack server --open --mode=development"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "@babel/core": "^7.18.9",
    "@babel/preset-env": "^7.18.9",
    "babel-loader": "^8.2.5",
    "clean-webpack-plugin": "^4.0.0",
    "core-js": "^3.23.5",
    "html-webpack-plugin": "^5.5.0",
    "ts-loader": "^9.3.1",
    "typescript": "^4.7.4",
    "webpack": "^5.73.0",
    "webpack-cli": "^4.10.0",
    "webpack-dev-server": "^4.9.3"
  }
}

webpack.config.js

//引入一个包
const path = require('path');

//引入html 插件
const HtmlWebpackPlugin = require("html-webpack-plugin");

//引入clean插件
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

//webpack 配置信息
module.exports = {

    //指定入口文件
    entry: "./src/index.ts",

    //指定打包文件的目录
    output: {
        path:path.resolve(__dirname,'disk'),

        //打包后的文件
        filename:'bundle.js',

        //兼容ie 告诉webpack 不适用箭头函数
        environment:{
            arrowFunction:false
        }
    },

    //使用的模块
    module :{
        rules:[
            {
                //指定规则生效文件
                test:/\.ts$/,

                //要使用的load 从后向前执行
                use:[
                    
                    //配置babel 
                    {
                        loader:"babel-loader",
                        options:{
                            presets:[
                                [
                                    //指定插件环境
                                    "@babel/preset-env",
                                    {
                                        targets:{
                                            "chrome":"88",
                                            "ie":"11"
                                        },

                                        //corejs 版本
                                        "corejs":"3",
                                        //按需加载
                                        "useBuiltIns":"usage"
                                            
                                        
                                    }
                                ]
                            ]
                        }
                    },

                    'ts-loader'
                ],

                //要排除的文件
                exclude:/node_modules/
            },
            
            //设置less 文件的处理
            {
                 test:/\.less$/,
                 use:[
                    "style-loader",
                    "css-loader",
                    "less-loader"
                 ]   
            }

            
        ]
    },

    //配置webpack 插件
    plugins :[
        new CleanWebpackPlugin(),

        new HtmlWebpackPlugin({
            template:'./src/index.html'
        })
    ],

    //设置引用模块
    resolve:{
        extensions:[".ts",".js"]
    }
}

tsconfig.json

{
    "compilerOptions": {
        "module": "ES2015",
        "target": "ES2015",
        "strict": true,
        "noEmitOnError": true
    }
}

src/index.html

    
    
    
    


    
这是一个templatediv

src/index.ts

//引入样式才会生效
import './style/index.less';
console.log('hello');

src/style/index.less

body {
    background-color: red;
}

配置完成测试

npm run build 打包
npm run start 运行到浏览器