详解Webpack多环境代码打包的方法

"scripts": {  "dev": "node build/dev-server.js",  "build": "node build/build.js",　　　　　　//正式环境打包命令  "fev": "node build/test.js"       //测试环境打包命令 },

// https://github.com/shelljs/shelljsrequire('./check-versions')()process.env.NODE_ENV = 'fev'var ora = require('ora')var path = require('path')var chalk = require('chalk')var shell = require('shelljs')var webpack = require('webpack')var config = require('../config')var webpackConfig = require('./webpack.test.conf')var spinner = ora('building for fev...')spinner.start()var assetsPath = path.join(config.fev.assetsRoot, config.fev.assetsSubDirectory)shell.rm('-rf', assetsPath)shell.mkdir('-p', assetsPath)shell.config.silent = trueshell.cp('-R', 'static/*', assetsPath)shell.config.silent = falsewebpack(webpackConfig, function (err, stats) { spinner.stop() if (err) throw err process.stdout.write(stats.toString({  colors: true,  modules: false,  children: false,  chunks: false,  chunkModules: false }) + '/n/n') console.log(chalk.cyan(' Build complete./n')) console.log(chalk.yellow(  ' Tip: built files are meant to be served over an HTTP server./n' +  ' Opening index.html over file:// won/'t work./n' ))})

var path = require('path')var utils = require('./utils')var webpack = require('webpack')var config = require('../config')var merge = require('webpack-merge')var baseWebpackConfig = require('./webpack.base.conf')var HtmlWebpackPlugin = require('html-webpack-plugin')var ExtractTextPlugin = require('extract-text-webpack-plugin')var env = config.fev.envvar webpackConfig = merge(baseWebpackConfig, { module: {  rules: utils.styleLoaders({   sourceMap: config.fev.productionSourceMap,   extract: true  }) }, devtool: config.fev.productionSourceMap ? '#source-map' : false, output: {  path: config.fev.assetsRoot,  filename: utils.assetsPath('js/[name].[chunkhash].js'),  chunkFilename: utils.assetsPath('js/[id].[chunkhash].js') }, plugins: [  // http://vuejs.github.io/vue-loader/en/workflow/production.html  new webpack.DefinePlugin({   'process.env': env  }),  new webpack.optimize.UglifyJsPlugin({   compress: {    warnings: false,    drop_console: true   },      sourceMap: true  }),  // extract css into its own file  new ExtractTextPlugin({   filename: utils.assetsPath('css/[name].[contenthash].css')  }),  // generate dist index.html with correct asset hash for caching.  // you can customize output by editing /index.html  // see https://github.com/ampedandwired/html-webpack-plugin  new HtmlWebpackPlugin({   filename: config.fev.index,   template: 'index.html',   inject: true,   minify: {    removeComments: true,    collapseWhitespace: true,    removeAttributeQuotes: true    // more options:    // https://github.com/kangax/html-minifier#options-quick-reference   },   // necessary to consistently work with multiple chunks via CommonsChunkPlugin   chunksSortMode: 'dependency'  }),  // split vendor js into its own file  new webpack.optimize.CommonsChunkPlugin({   name: 'vendor',   minChunks: function (module, count) {    // any required modules inside node_modules are extracted to vendor    return (     module.resource &&     //.js$/.test(module.resource) &&     module.resource.indexOf(      path.join(__dirname, '../node_modules')     ) === 0    )   }  }),  // extract webpack runtime and module manifest to its own file in order to  // prevent vendor hash from being updated whenever app bundle is updated  new webpack.optimize.CommonsChunkPlugin({   name: 'manifest',   chunks: ['vendor']  }) ]})if (config.fev.productionGzip) { var CompressionWebpackPlugin = require('compression-webpack-plugin') webpackConfig.plugins.push(  new CompressionWebpackPlugin({   asset: '[path].gz[query]',   algorithm: 'gzip',   test: new RegExp(    '//.(' +    config.fev.productionGzipExtensions.join('|') +    ')$'   ),   threshold: 10240,   minRatio: 0.8  }) )}if (config.fev.bundleAnalyzerReport) { var BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin webpackConfig.plugins.push(new BundleAnalyzerPlugin())}module.exports = webpackConfig

module.exports = { NODE_ENV: '"fev"'}

// see http://vuejs-templates.github.io/webpack for documentation.var path = require('path')module.exports = {  build: {    env: require('./prod.env'),    index: path.resolve(__dirname, '../dist/index.html'),    assetsRoot: path.resolve(__dirname, '../dist'),    assetsSubDirectory: 'static',    // assetsPublicPath: './',    assetsPublicPath: '',    //公共资源路径    productionSourceMap: false,    // Gzip off by default as many popular static hosts such as    // Surge or Netlify already gzip all static assets for you.    // Before setting to `true`, make sure to:    // npm install --save-dev compression-webpack-plugin    productionGzip: false,    productionGzipExtensions: ['js', 'css'],    // Run the build command with an extra argument to    // View the bundle analyzer report after build finishes:    // `npm run build --report`    // Set to `true` or `false` to always turn it on or off    bundleAnalyzerReport: process.env.npm_config_report  },  fev: {    env: require('./test.env'),    index: path.resolve(__dirname, '../dist/index.html'),    assetsRoot: path.resolve(__dirname, '../dist'),    assetsSubDirectory: 'static',    assetsPublicPath: './',  //公共资源路径    productionSourceMap: false,    // Gzip off by default as many popular static hosts such as    // Surge or Netlify already gzip all static assets for you.    // Before setting to `true`, make sure to:    // npm install --save-dev compression-webpack-plugin    productionGzip: false,    productionGzipExtensions: ['js', 'css'],    // Run the build command with an extra argument to    // View the bundle analyzer report after build finishes:    // `npm run build --report`    // Set to `true` or `false` to always turn it on or off    bundleAnalyzerReport: process.env.npm_config_report  },  test: {    env: require('./test.env'),    index: path.resolve(__dirname, '../dist/index.html'),    assetsRoot: path.resolve(__dirname, '../dist'),    assetsSubDirectory: 'static',    assetsPublicPath: './',    productionSourceMap: false,    // Gzip off by default as many popular static hosts such as    // Surge or Netlify already gzip all static assets for you.    // Before setting to `true`, make sure to:    // npm install --save-dev compression-webpack-plugin    productionGzip: false,    productionGzipExtensions: ['js', 'css'],    // Run the build command with an extra argument to    // View the bundle analyzer report after build finishes:    // `npm run build --report`    // Set to `true` or `false` to always turn it on or off    bundleAnalyzerReport: process.env.npm_config_report  },  dev: {    env: require('./dev.env'),    port: 8081,    autoOpenBrowser: true,    assetsSubDirectory: 'static',    assetsPublicPath: '/',    proxyTable: {      // '/api':{      //   target:'http://jsonplaceholder.typicode.com',      //   changeOrigin:true,      //   pathRewrite:{      //     '/api':''      //   }      // }    },    // CSS Sourcemaps off by default because relative paths are "buggy"    // with this option, according to the CSS-Loader README    // (https://github.com/webpack/css-loader#sourcemaps)    // In our experience, they generally work as expected,    // just be aware of this issue when enabling this option.    cssSourceMap: false  }}

if(process.env.NODE_ENV == 'production'){  defines.html_url = '正式环境URL';}if(process.env.NODE_ENV == 'development'){　　defines.html_url = '开发环境URL';} if(process.env.NODE_ENV == 'fev'){ 　　defines.html_url = '测试环境URL'; }

var path = require('path')var utils = require('./utils')var config = require('../config')var vueLoaderConfig = require('./vue-loader.conf')//增加文件路径判断var webpack_public_path = ''; if(process.env.NODE_ENV === 'production'){  webpack_public_path = config.build.assetsPublicPath; }else if(process.env.NODE_ENV === 'fev'){  webpack_public_path = config.fev.assetsPublicPath; }else if(process.env.NODE_ENV === 'dev'){  webpack_public_path = config.dev.assetsPublicPath; }function resolve (dir) { return path.join(__dirname, '..', dir)}module.exports = { //测试使用 entry: {  app: ["promise-polyfill", "./src/main.js"] }, // entry: { //  app: './src/main.js' // }, output: {  path: config.build.assetsRoot,  filename: '[name].js',  publicPath: webpack_public_path  // publicPath: process.env.NODE_ENV === 'production' || process.env.NODE_ENV === 'fev' ? config.build.assetsPublicPath  //  : config.dev.assetsPublicPath }, resolve: {  extensions: ['.js', '.vue', '.json'],  modules: [   resolve('src'),   resolve('node_modules'),  ],  alias: {   'vue$': 'vue/dist/vue.common.js',   'src': resolve('src'),   'assets': resolve('src/assets'),   'components': resolve('src/components'),   'vendor': path.resolve(__dirname, '../src/api'),   // 'vendor': path.resolve(__dirname, '../src/vendor'),  } }, module: {  rules: [   {    test: //.vue$/,    loader: 'vue-loader'   },   {    test: //.js$/,    loader: 'babel-loader',    include: [resolve('src'), resolve('test')]   },   {    test: //.(png|jpe?g|gif|svg)(/?.*)?$/,    loader: 'url-loader',    query: {     limit: 10000,     name: utils.assetsPath('img/[name].[hash:7].[ext]')    }   },   {    test: //.(woff2?|eot|ttf|otf)(/?.*)?$/,    loader: 'url-loader',    query: {     limit: 10000,     name: utils.assetsPath('fonts/[name].[hash:7].[ext]')    }   }  ] }}