基于 webpack2 实现的多入口项目脚手架详解

├── dist   # 构建后的目录
├── config   # 项目配置文件
│ ├── webpack.config.js # webpack 配置文件
│ └── postcss.config.js # postcss 配置文件
├── src   # 程序源文件
│ └── js   # 入口
│ ├ └── index.js  # 匹配 view/index.html
│ ├ └── user  
│ ├ ├ ├── index.js # 匹配 view/user/index.html
│ ├ ├ ├── list.js # 匹配 view/user/list.html
│ ├ └── lib  # JS 库等，不参与路由匹配
│ ├ ├── jquery.js 
│ └── view   
│ ├ └── index.html # 对应 js/index.js
│ ├ └── user  
│ ├ ├── index.html # 对应 js/user/index.js
│ ├ ├── list.html # 对应 js/user/list.js
│ └── css   # css 文件目录
│ ├ └── base.css  
│ ├ └── iconfont.css 
│ └── font   # iconfont 文件目录
│ ├ └── iconfont.ttf  
│ ├ └── iconfont.css
│ └── img   # 图片文件目录
│ ├ └── pic1.jpg  
│ ├ └── pic2.png 
│ └── template  # html 模板目录
│ └── head.html  
│ └── foot.html  

const ROOT = process.cwd(); // 根目录

let entryJs = getEntry('./src/js/**/*.js');

/**
 * 根据目录获取入口
 * @param {[type]} globPath [description]
 * @return {[type]}  [description]
 */
function getEntry (globPath) {
 let entries = {};
 Glob.sync(globPath).forEach(function (entry) {
 let basename = path.basename(entry, path.extname(entry)),
 pathname = path.dirname(entry);
 // js/lib/*.js 不作为入口
 if (!entry.match(/\/js\/lib\//)) {
 entries[pathname.split('/').splice(3).join('/') + '/' + basename] = pathname + '/' + basename;
 }
 });
 return entries;
}

// webpack 配置
const config = {
 entry: entryJs,
 output: {
 filename: 'js/[name].js?[chunkhash:8]',
 chunkFilename: 'js/[name].js?[chunkhash:8]',
 path: path.resolve(ROOT, 'dist'),
 publicPath: '/'
 }, 
}

module: {
 rules: [
 {
  test: /\.js$/,
  exclude: /(node_modules|bower_components)/,
  use: {
  loader: 'babel-loader?id=js',
  options: {
   presets: ['env']
  }
  }
 },
 {
  test: /\.(less|css)$/,
  use: ExtractTextPlugin.extract({
  fallback: 'style-loader?id=styles',
  use: [{
   loader: 'css-loader?id=styles',
   options: {
    minimize: !IsDev
   }
   }, 
   {
   loader: 'less-loader?id=styles'
   }, 
   {
   loader: 'postcss-loader?id=styles',
   options: {
    config: {
    path: PostcssConfigPath
    }
   }
   }
  ]
  })
 },
 {
  test: /\.(png|jpg|gif)$/,
  use: [
  {
   loader: 'url-loader',
   options: {
   limit: 100,
   publicPath: '',
   name: '/img/[name].[ext]?[hash:8]'
   }
  }
  ]
 },
 {
  test: /\.(eot|svg|ttf|woff)$/,
  use: [
  {
   loader: 'url-loader',
   options: {
   limit: 100,
   publicPath: '',
   name: '/font/[name].[ext]?[hash:8]'
   }
  }
  ]
 },
 // @see https://github.com/wzsxyz/html-withimg-loader
 {
  test: /\.(htm|html)$/i,
  loader: 'html-withimg-loader?min=false'
 }
 ]
},


// postcss.config.js
module.exports = {
 plugins: [
 require('autoprefixer')({
 browsers: ['> 1%', 'last 5 versions', 'not ie <= 9'],
 })
 ]
}

let entryHtml = getEntryHtml('./src/view/**/*.html'),
 configPlugins;

entryHtml.forEach(function (v) {
 configPlugins.push(new HtmlWebpackPlugin(v));
});

// webpack 配置
resolve: {
 alias: {
 views: path.resolve(ROOT, './src/view') 
 }
},

/**
 * 根据目录获取 Html 入口
 * @param {[type]} globPath [description]
 * @return {[type]}  [description]
 */
function getEntryHtml (globPath) {
 let entries = [];
 Glob.sync(globPath).forEach(function (entry) {
 let basename = path.basename(entry, path.extname(entry)),
 pathname = path.dirname(entry),
 // @see https://github.com/kangax/html-minifier#options-quick-reference
 minifyConfig = IsDev ? '' : {
 removeComments: true,
 collapseWhitespace: true,
 minifyCSS: true,
 minifyJS: true 
 };

 entries.push({
 filename: entry.split('/').splice(2).join('/'),
 template: entry,
 chunks: ['common', pathname.split('/').splice(3).join('/') + '/' + basename],
 minify: minifyConfig
 });

 });
 return entries;
}

let configPlugins = [
 new HappyPack({
 id: 'js',
 // @see https://github.com/amireh/happypack
 threadPool: HappyThreadPool,
 loaders: ['babel-loader']
 }),
 new HappyPack({
 id: 'styles',
 threadPool: HappyThreadPool,
 loaders: ['style-loader', 'css-loader', 'less-loader', 'postcss-loader']
 }),
 new webpack.optimize.CommonsChunkPlugin({
 name: 'common'
 }),
 // @see https://github.com/webpack/webpack/tree/master/examples/multiple-entry-points-commons-chunk-css-bundle
 new ExtractTextPlugin({
 filename: 'css/[name].css?[contenthash:8]',
 allChunks: true
 })
];

entryHtml.forEach(function (v) {
 configPlugins.push(new HtmlWebpackPlugin(v));
});

// webpack 配置
plugins: configPlugins,

// webpack 配置
devServer: {
 contentBase: [
 path.join(ROOT, 'src/')
 ],
 hot: false,
 host: '0.0.0.0',
 port: 8080
}

npm start