webpack打包配置（详细教程）

const path = require('path');
//处理共用、通用的js
const webpack = require('webpack');
//css单独打包
const ExtractTextPlugin = require('extract-text-webpack-plugin');
module.exports = {
 //入口文件
 entry: {
  main: './src/main',
  vendors: './src/vendors'
 },
 output: {
  path: path.join(__dirname, './dist')
 },
 module: {
  rules: [
   //vue单文件处理
   {
    test: /\.vue$/,
    use: [{
     loader: 'vue-loader',
     options: {
      loaders: {
       less: ExtractTextPlugin.extract({
        //minimize 启用压缩
        use: ['css-loader?minimize', 'autoprefixer-loader', 'less-loader'],
        fallback: 'vue-style-loader'
       }),
       css: ExtractTextPlugin.extract({
        use: ['css-loader', 'autoprefixer-loader', 'less-loader'],
        fallback: 'vue-style-loader'
       })
      }
     }
    }]
   },
   //iview文件夹下的js编译处理
   {
    test: /iview\/.*?js$/,
    loader: 'babel-loader'
   },
   //js编译处理
   {
    test: /\.js$/,
    loader: 'babel-loader',
    exclude: /node_modules/
   },
   //css处理
   {
    test: /\.css$/,
    use: ExtractTextPlugin.extract({
     //minimize 启用压缩
     use: ['css-loader?minimize', 'autoprefixer-loader'],
     fallback: 'style-loader'
    })
   },
   //less处理
   {
    test: /\.less/,
    use: ExtractTextPlugin.extract({
     use: ['css-loader?minimize', 'autoprefixer-loader', 'less-loader'],
     fallback: 'style-loader'
    })
   },
   //图片处理
   {
    test: /\.(gif|jpg|png|woff|svg|eot|ttf)\??.*$/,
    loader: 'url-loader?limit=1024'
   },
   //实现资源复用
   {
    test: /\.(html|tpl)$/,
    loader: 'html-loader'
   }
  ]
 },
 resolve: {
  //自动扩展文件后缀名，意味着我们require模块可以省略不写后缀名
  extensions: ['.js', '.vue'],
  //模块别名定义，方便后续直接引用别名，无须多写长长的地址
  alias: {
   'vue': 'vue/dist/vue.esm.js'
  }
 }
};

//处理共用、通用的js
const webpack = require('webpack');
//处理html模板
const HtmlWebpackPlugin = require('html-webpack-plugin');
//css单独打包
const ExtractTextPlugin = require('extract-text-webpack-plugin');
//合并配置
const merge = require('webpack-merge');
const webpackBaseConfig = require('./webpack.base.config.js');
//fs模块用于对系统文件及目录进行读写操作
const fs = require('fs');
//编译前用node生成一个env.js的文件，用来标明当前是开发（development）还是生产环境（production）
fs.open('./src/config/env.js', 'w', function(err, fd) {
 const buf = 'export default "development";';
 fs.write(fd, buf, 0, buf.length, 0, function(err, written, buffer) {});
});
module.exports = merge(webpackBaseConfig, {
 //打包代码的同时生成一个sourcemap文件，并在打包文件的末尾添加//# souceURL，注释会告诉JS引擎原始文件位置
 devtool: '#source-map',
 output: {
  //线上环境路径
  publicPath: '/dist/',
  filename: '[name].js',
  chunkFilename: '[name].chunk.js'
 },
 plugins: [
  //css单独打包
  new ExtractTextPlugin({
   filename: '[name].css',
   allChunks: true
  }),
  //通用模块编译
  new webpack.optimize.CommonsChunkPlugin({
   //提取的公共块的块名称（chunk）
   name: 'vendors',
   //生成的通用的文件名
   filename: 'vendors.js'
  }),
  new HtmlWebpackPlugin({
   //输出文件
   filename: '../index.html',
   //模板文件
   template: './src/template/index.ejs',
   //不插入生成的 js 文件，只是单纯的生成一个 html 文件
   inject: false
  })
 ]
});

//处理共用、通用的js
const webpack = require('webpack');
//处理html模板
const HtmlWebpackPlugin = require('html-webpack-plugin');
//css单独打包
const ExtractTextPlugin = require('extract-text-webpack-plugin');
//合并配置
const merge = require('webpack-merge');
const webpackBaseConfig = require('./webpack.base.config.js');
//fs模块用于对系统文件及目录进行读写操作
const fs = require('fs');
//编译前用node生成一个env.js的文件，用来标明当前是开发（development）还是生产环境（production）
fs.open('./src/config/env.js', 'w', function (err, fd) {
 const buf = 'export default "production";';
 fs.write(fd, buf, 0, buf.length, 0, function (err, written, buffer){});
});
module.exports = merge(webpackBaseConfig, {
 output: {
  //线上环境路径
  publicPath: 'dist/',
  filename: '[name].[hash].js',
  chunkFilename: '[name].[hash].chunk.js'
 },
 plugins: [
  new ExtractTextPlugin({
   //css单独打包
   filename: '[name].[hash].css',
   allChunks: true
  }),
  //通用模块编译
  new webpack.optimize.CommonsChunkPlugin({
   //提取的公共块的块名称（chunk）
   name: 'vendors',
   //生成的通用的文件名
   filename: 'vendors.[hash].js'
  }),
  new webpack.DefinePlugin({
   'process.env': {
    NODE_ENV: '"production"'
   }
  }),
  //js压缩
  new webpack.optimize.UglifyJsPlugin({
   compress: {
    warnings: false
   }
  }),
  new HtmlWebpackPlugin({
   //输出文件
   filename: '../index_prod.html',
   //模板文件
   template: './src/template/index.ejs',
   //不插入生成的 js 文件，只是单纯的生成一个 html 文件
   inject: false
  })
 ]
});

{
 "name": "iview-project",
 "version": "2.1.0",
 "description": "A base project with Vue.js2、Vue-Router、webpack2 and with iView2.",
 "main": "index.js",
 "scripts": {
 "init": "webpack --progress --config webpack.dev.config.js",
 "dev": "webpack-dev-server --content-base ./ --open --inline --hot --compress --history-api-fallback --config webpack.dev.config.js",
 "build": "webpack --progress --hide-modules --config webpack.prod.config.js"
 },
 "repository": {
 "type": "git",
 "url": "git+https://github.com/iview/iview-project.git"
 },
 "author": "Aresn",
 "license": "MIT",
 "dependencies": {
 "vue": "^2.2.6",
 "vue-router": "^2.2.1",
 "iview": "^2.0.0-rc.8"
 },
 "devDependencies": {
 "autoprefixer-loader": "^2.0.0",
 "babel": "^6.23.0",
 "babel-core": "^6.23.1",
 "babel-loader": "^6.2.4",
 "babel-plugin-transform-runtime": "^6.12.0",
 "babel-preset-es2015": "^6.9.0",
 "babel-runtime": "^6.11.6",
 "css-loader": "^0.23.1",
 "extract-text-webpack-plugin": "^2.0.0",
 "file-loader": "^0.8.5",
 "html-loader": "^0.3.0",
 "html-webpack-plugin": "^2.28.0",
 "less": "^2.7.1",
 "less-loader": "^2.2.3",
 "style-loader": "^0.13.1",
 "url-loader": "^0.5.7",
 "vue-hot-reload-api": "^1.3.3",
 "vue-html-loader": "^1.2.3",
 "vue-loader": "^11.0.0",
 "vue-style-loader": "^1.0.0",
 "vue-template-compiler": "^2.2.1",
 "webpack": "^2.2.1",
 "webpack-dev-server": "^2.4.1",
 "webpack-merge": "^3.0.0"
 },
 "bugs": {
 "url": "https://github.com/iview/iview-project/issues"
 },
 "homepage": "https://www.iviewui.com"
}