require(‘./check-versions‘)() ??//检查node和npm的版本/*获取config/index.js中的默认配置，config后面没有配置项会自动找index.js*/var config = require(‘../config‘)/*如果Node环境无法判断是dev还是product环境则使用config.dev.env.NODE_ENV作为当前执行环境*/if (!process.env.NODE_ENV) { ?process.env.NODE_ENV = JSON.parse(config.dev.env.NODE_ENV)}var opn = require(‘opn‘) ???//一个可以强制打开浏览器并跳转到指定url的插件var path = require(‘path‘) ?//使用Node自带的文件路径工具var express = require(‘express‘) ???//使用expressvar webpack = require(‘webpack‘) ???//使用webpackvar proxyMiddleware = require(‘http-proxy-middleware‘) ?//一个Node的代理中间件var webpackConfig = process.env.NODE_ENV === ‘testing‘ ?? require(‘./webpack.prod.conf‘) ?: require(‘./webpack.dev.conf‘)//根据不同的Node环境加载不同的webpack配置// default port where dev server listens for incoming traffic,如果没有指定端口就是用config.dev.port作为运行端口var port = process.env.PORT || config.dev.port// automatically open browser, if not set will be false根据config.dev.autoOpenBrowser选择是否自动打开浏览器var autoOpenBrowser = !!config.dev.autoOpenBrowser// Define HTTP proxies to your custom API backend// https://github.com/chimurai/http-proxy-middleware//使用 config.dev.proxyTable 的配置作为 proxyTable 的代理配置var proxyTable = config.dev.proxyTablevar app = express()//使用express启动一个服务var compiler = webpack(webpackConfig)//启动webpack进行编译// 启动 webpack-dev-middleware，将 编译后的文件暂存到内存中var devMiddleware = require(‘webpack-dev-middleware‘)(compiler, { ?publicPath: webpackConfig.output.publicPath, ?quiet: true})// 启动 webpack-hot-middleware，也就是我们常说的 Hot-reload,https://www.npmjs.com/package/webpack-hot-middlewarevar hotMiddleware = require(‘webpack-hot-middleware‘)(compiler, { ?log: () => {}, ?heartbeat: 2000})// 当html-webpack-plugin模板更改时，强制页面重新加载compiler.plugin(‘compilation‘, function (compilation) { ?compilation.plugin(‘html-webpack-plugin-after-emit‘, function (data, cb) { ???hotMiddleware.publish({ action: ‘reload‘ }) ???cb() ?})})// proxy api requests//将 proxyTable 中的请求配置挂在到启动的 express 服务上Object.keys(proxyTable).forEach(function (context) { ?var options = proxyTable[context] ?if (typeof options === ‘string‘) { ???options = { target: options } ?} ?app.use(proxyMiddleware(options.filter || context, options))})// handle fallback for HTML5 history API//使用 connect-history-api-fallback 匹配资源，如果不匹配就可以重定向到指定地址// https://www.npmjs.com/package/connect-history-api-fallbackapp.use(require(‘connect-history-api-fallback‘)())// serve webpack bundle output//将暂存到内存中的 webpack 编译后的文件挂在到 express 服务上app.use(devMiddleware)// enable hot-reload and state-preserving// compilation error display//将 Hot-reload 挂在到 express 服务上app.use(hotMiddleware)// serve pure static assets//拼接 static 文件夹的静态资源路径var staticPath = path.posix.join(config.dev.assetsPublicPath, config.dev.assetsSubDirectory)app.use(staticPath, express.static(‘./static‘))// 让我们这个 express 服务监听 port 的请求，并且将此服务作为 dev-server.js 的接口暴露出去var uri = ‘http://localhost:‘ + portvar _resolvevar readyPromise = new Promise(resolve => { ?_resolve = resolve})console.log(‘> Starting dev server...‘)devMiddleware.waitUntilValid(() => { ?console.log(‘> Listening at ‘ + uri + ‘\n‘) ?// when env is testing, don‘t need open it ?// 如果不是测试环境，自动打开浏览器并跳到我们的开发地址 ?if (autoOpenBrowser && process.env.NODE_ENV !== ‘testing‘) { ???opn(uri) ?} ?_resolve()})var server = app.listen(port)module.exports = { ?ready: readyPromise, ?close: () => { ???server.close() ?}}

// see http://vuejs-templates.github.io/webpack for documentation.var path = require(‘path‘)//使用Node自带的文件路径插件module.exports = { ?//生产环境配置 ?build: { ????//http://vuejs-templates.github.io/webpack/backend.html ???// 使用 config/prod.env.js 中定义的编译环境 ???env: require(‘./prod.env‘), ???index: path.resolve(__dirname, ‘../dist/index.html‘), ??// 编译注入的 index.html 文件,必须是本地的绝对路径 ???assetsRoot: path.resolve(__dirname, ‘../dist‘), ??// 编译输出的静态资源根路径 ???assetsSubDirectory: ‘static‘, ???// 编译输出的二级目录 ???assetsPublicPath: ‘/‘, ???// 编译发布上线路径的根目录，可配置为资源服务器域名或 CDN 域名 ???productionSourceMap: true, ???//生成用于生产构建的源映射 ???// 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, ???// 是否开启 gzip ???productionGzipExtensions: [‘js‘, ‘css‘], ???// 需要使用 gzip 压缩的文件扩展名 ???// 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 ???//一个实用工具,用于分析项目的依赖关系https://www.npmjs.com/package/webpack-bundle-analyzer ?}, ?//开发环境 ?dev: { ???env: require(‘./dev.env‘), ???// 使用 config/dev.env.js 中定义的编译环境 ???port: 8080, ???// 运行测试页面的端口 ???autoOpenBrowser: true, ???//是否自动打开浏览器 ???assetsSubDirectory: ‘static‘, ???// 编译输出的二级目录 ???assetsPublicPath: ‘/‘, ???// 编译发布上线路径的根目录，可配置为资源服务器域名或 CDN 域名 ???proxyTable: { ???????//https://github.com/chimurai/http-proxy-middleware,配置方式 ???}, ???// 需要 proxyTable 代理的接口（可跨域）http://vuejs-templates.github.io/webpack/proxy.html ???// 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 ??// 是否开启 cssSourceMap ?}}

var path = require(‘path‘) ??// 使用 NodeJS 自带的文件路径插件var utils = require(‘./utils‘) ??//封装了一些方法的工具var config = require(‘../config‘) ??//使用 config/index.jsvar vueLoaderConfig = require(‘./vue-loader.conf‘) ??//使用vue-loader.conf ?// 拼接我们的工作区路径为一个绝对路径function resolve (dir) { ?return path.join(__dirname, ‘..‘, dir)}module.exports = { ?entry: { ???// 编译文件入口 ???app: ‘./src/main.js‘ ?}, ?output: { ???//使用chonfig/index.js中build的assetsRoot作为输出根路径 ???path: config.build.assetsRoot, ???filename: ‘[name].js‘, ???//编译输入的文件名 ???publicPath: process.env.NODE_ENV === ‘production‘ ???// 正式发布环境下编译输出的发布路径 ?????? config.build.assetsPublicPath ?????: config.dev.assetsPublicPath ?}, ?resolve: { ???//https://doc.webpack-china.org/configuration/resolve/ ???// 自动补全的扩展名,能够使用户在引入模块时不带扩展 ???extensions: [‘.js‘, ‘.vue‘, ‘.json‘], ???// 默认路径代理，例如 import Vue from ‘vue$‘，会自动到 ‘vue/dist/vue.esm.js‘中寻找 ???alias: { ?????‘vue$‘: ‘vue/dist/vue.esm.js‘, ?????‘@‘: resolve(‘src‘) ???} ?}, ?module: { ???//https://doc.webpack-china.org/loaders/ loader列表 ???rules: [ ??//https://doc.webpack-china.org/configuration/module/ ?????//模块的规则数组,详情请参考上述链接的loader列表 ?????{ ???????test: /\.(js|vue)$/,// ???????loader: ‘eslint-loader‘, ???????enforce: ‘pre‘, ???????include: [resolve(‘src‘), resolve(‘test‘)], ???????options: { ?????????formatter: require(‘eslint-friendly-formatter‘) ???????} ?????}, ?????{ ???????test: /\.vue$/, ???????loader: ‘vue-loader‘, ???????options: vueLoaderConfig ?????}, ?????{ ???????test: /\.js$/, ???????loader: ‘babel-loader‘, ???????include: [resolve(‘src‘), resolve(‘test‘)] ?????}, ?????{ ???????test: /\.(png|jpe?g|gif|svg)(\?.*)?$/, ???????loader: ‘url-loader‘, ???????options: { ?????????limit: 10000, ?????????name: utils.assetsPath(‘img/[name].[hash:7].[ext]‘) ???????} ?????}, ?????{ ???????test: /\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/, ???????loader: ‘url-loader‘, ???????options: { ?????????limit: 10000, ?????????name: utils.assetsPath(‘media/[name].[hash:7].[ext]‘) ???????} ?????}, ?????{ ???????test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/, ???????loader: ‘url-loader‘, ???????options: { ?????????limit: 10000, ?????????name: utils.assetsPath(‘fonts/[name].[hash:7].[ext]‘) ???????} ?????} ???] ?}}

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‘) ??//...//可以将单个文件或整个目录复制到构建目录中var CopyWebpackPlugin = require(‘copy-webpack-plugin‘)// 一个可以插入 html 并且创建新的 .html 文件的插件var HtmlWebpackPlugin = require(‘html-webpack-plugin‘)// 一个 webpack 扩展，可以提取一些代码并且将它们和文件分离开// 如果我们想将 webpack 打包成一个文件 css js 分离开，那我们需要这个插件var ExtractTextPlugin = require(‘extract-text-webpack-plugin‘)//一个个优化/最小化css资源的插件var OptimizeCSSPlugin = require(‘optimize-css-assets-webpack-plugin‘)var env = process.env.NODE_ENV === ‘testing‘ ?? require(‘../config/test.env‘) ?: config.build.env//如果不是测试环境就直接使用生产环境//合并 webpack.base.conf.js中的配置,里面具体的配置参考webpack.base.conf.js里面的注释var webpackConfig = merge(baseWebpackConfig, { ?module: { ???rules: utils.styleLoaders({ ?????sourceMap: config.build.productionSourceMap, ?????extract: true ???}) ?}, ?devtool: config.build.productionSourceMap ? ‘#source-map‘ : false, ?output: { ???path: config.build.assetsRoot, ??//指定生产环境输出路径 ???filename: utils.assetsPath(‘js/[name].[chunkhash].js‘), ???//编译输出带hash的文件名,可以指定hash长度(chunkhash:6) ???chunkFilename: utils.assetsPath(‘js/[id].[chunkhash].js‘) ???// 没有指定输出名的文件输出的文件名 ?}, ?plugins: [ ???// http://vuejs.github.io/vue-loader/en/workflow/production.html ???// definePlugin 接收字符串插入到代码当中, 所以你需要的话可以写上 JS 的字符串 ???new webpack.DefinePlugin({ ?????‘process.env‘: env ???}), ???// 压缩 js (同样可以压缩 css) ???new webpack.optimize.UglifyJsPlugin({ ?????compress: { ???????warnings: false ?????}, ?????sourceMap: true ???}), ???// extract css into its own file ???//将 css 文件分离出来 ???new ExtractTextPlugin({ ?????filename: utils.assetsPath(‘css/[name].[contenthash].css‘) ???}), ???// Compress extracted CSS. We are using this plugin so that possible ???// duplicated CSS from different components can be deduped. ???//压缩css代码 ???new OptimizeCSSPlugin({ ?????cssProcessorOptions: { ???????safe: true ?????} ???}), ???// 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 ???// 输入输出的 .html 文件 ???new HtmlWebpackPlugin({ ?????filename: process.env.NODE_ENV === ‘testing‘ ???????? ‘index.html‘ ???????: config.build.index, ?????template: ‘index.html‘, ?????inject: true, ????// 是否注入 html ?????minify: { ???// 压缩的方式 ???????removeComments: true, ???//移除带html的注释 ???????collapseWhitespace: true, ???//移除空格 ???????removeAttributeQuotes: true ??//移除属性的引号 ???????// more options: ???????// https://github.com/kangax/html-minifier#options-quick-reference ?????}, ?????// necessary to consistently work with multiple chunks via CommonsChunkPlugin ?????//https://doc.webpack-china.org/plugins/commons-chunk-plugin/ ?????chunksSortMode: ‘dependency‘ ???//资源按照依赖关系去插入 ???}), ???// split vendor js into its own file//将引用的库文件拆出来打包到一个[name].js文件中 ???new webpack.optimize.CommonsChunkPlugin({ ?????name: ‘vendor‘, ?????minChunks: function (module, count) { ???????// any required modules inside node_modules are extracted to vendor ???????//任何一个从node_modules中引用的模块都会被打包进来 ???????return ( ?????????module.resource && ?????????/\.js$/.test(module.resource) && ?????????module.resource.indexOf( ???????????path.join(__dirname, ‘../node_modules‘) ?????????) === 0 ???????) ?????} ???}), ???// extract webpack runtime and module manifest to its own file in order to ???// prevent vendor hash from being updated whenever app bundle is updated ???//https://doc.webpack-china.org/concepts/manifest/ ???//把webpack的runtime和manifest这些webpack管理所有模块交互的代码打包到[name].js文件中,防止build之后vendor的hash值被更新 ???new webpack.optimize.CommonsChunkPlugin({ ?????name: ‘manifest‘, ?????chunks: [‘vendor‘] ???}), ???// copy custom static assets ???//复制自定义的静态资源文件到dist/static文件夹中 ???new CopyWebpackPlugin([ ?????{ ???????from: path.resolve(__dirname, ‘../static‘), ???????to: config.build.assetsSubDirectory, ???????ignore: [‘.*‘] ?????} ???]) ?]})// 开启 gzip 的情况下使用下方的配置if (config.build.productionGzip) { ?// Gzip依赖 compression-webpack-plugin 插件 ?var CompressionWebpackPlugin = require(‘compression-webpack-plugin‘)// 向webpackconfig.plugins中加入下方的插件 ?webpackConfig.plugins.push( ???// 使用 compression-webpack-plugin 插件进行压缩,https://doc.webpack-china.org/plugins/compression-webpack-plugin/ ???new CompressionWebpackPlugin({ ?????asset: ‘[path].gz[query]‘,//目标资源名称 ?????algorithm: ‘gzip‘,//压缩方式 ?????test: new RegExp( ???????‘\\.(‘ + ???????config.build.productionGzipExtensions.join(‘|‘) + ???????‘)$‘ ?????),//所有匹配该正则的资源都会被处理。默认值是全部资源。 ?????threshold: 10240,//只有大小大于该值的资源会被处理。单位是 bytes。默认值是 0。 ?????minRatio: 0.8//只有压缩率小于这个值的资源才会被处理。默认值是 0.8。 ???}) ?)}//配置项目分析工具加载下方插件if (config.build.bundleAnalyzerReport) { ?var BundleAnalyzerPlugin = require(‘webpack-bundle-analyzer‘).BundleAnalyzerPlugin ?webpackConfig.plugins.push(new BundleAnalyzerPlugin())}module.exports = webpackConfig

var utils = require(‘./utils‘)//封装了一些方法的工具var webpack = require(‘webpack‘)//使用 webpackvar config = require(‘../config‘)//使用 config/index.jsvar merge = require(‘webpack-merge‘)//使用 webpack 配置合并插件var baseWebpackConfig = require(‘./webpack.base.conf‘)// 加载 webpack.base.confvar HtmlWebpackPlugin = require(‘html-webpack-plugin‘)// 使用 html-webpack-plugin 插件，这个插件可以帮我们自动生成 html 并且注入到 .html 文件中//https://www.npmjs.com/package/friendly-errors-webpack-plugin,可以识别某些类别的Webpack错误并进行清理，聚合和优先排序var FriendlyErrorsPlugin = require(‘friendly-errors-webpack-plugin‘)// add hot-reload related code to entry chunks//将 Hol-reload 相对路径添加到 webpack.base.conf 的 对应 entry 前Object.keys(baseWebpackConfig.entry).forEach(function (name) { ?baseWebpackConfig.entry[name] = [‘./build/dev-client‘].concat(baseWebpackConfig.entry[name])})// 将我们 webpack.dev.conf.js 的配置和 webpack.base.conf.js 的配置合并module.exports = merge(baseWebpackConfig, { ?module: { ???// 使用 styleLoaders ???rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap }) ?}, ?// 使用 #cheap-module-eval-source-map 模式作为开发辅助调试工具 ?// 具体配置请参考https://doc.webpack-china.org/configuration/devtool/ ?devtool: ‘#cheap-module-eval-source-map‘, ?plugins: [ ???// definePlugin 接收字符串插入到代码当中, 需要的话可以写上 JS 的字符串 ???new webpack.DefinePlugin({ ?????‘process.env‘: config.dev.env ???}), ???// https://github.com/glenjamin/webpack-hot-middleware#installation--usage ???// HotModule 插件在页面进行变更的时候只会重回对应的页面模块，不会重绘整个 html 文件 ???new webpack.HotModuleReplacementPlugin(), ???//https://doc.webpack-china.org/plugins/no-emit-on-errors-plugin/ ???//在编译出现错误时，使用 NoEmitOnErrorsPlugin 来跳过输出阶段。这样可以确保输出资源不会包含错误。 ???new webpack.NoEmitOnErrorsPlugin(), ???// https://github.com/ampedandwired/html-webpack-plugin ???// 将 index.html 作为入口，注入 html 代码后生成 index.html文件 ???//https://doc.webpack-china.org/plugins/html-webpack-plugin/ webpack插件列表(中文) ???new HtmlWebpackPlugin({ ?????filename: ‘index.html‘, ?????template: ‘index.html‘, ?????inject: true ???}), ???//看上面 ???new FriendlyErrorsPlugin() ?]})

require(‘./check-versions‘)()// 检查 Node 和 npm 版本process.env.NODE_ENV = ‘production‘//指定生产环境var ora = require(‘ora‘)// 一个很好看的 loading 插件var rm = require(‘rimraf‘)//提供node版本的UNIX的rm -rf命令var path = require(‘path‘)//使用Node自带的文件路径插件var chalk = require(‘chalk‘)//控制台高亮显示的插件var webpack = require(‘webpack‘)//使用 webpackvar config = require(‘../config‘)//使用 config/index.jsvar webpackConfig = require(‘./webpack.prod.conf‘)// 加载 webpack.prod.conf// 使用 ora 打印出 loading + logvar spinner = ora(‘building for production...‘)spinner.start()//https://www.npmjs.com/package/rimrafrm(path.join(config.build.assetsRoot, config.build.assetsSubDirectory), err => { ?if (err) throw err//如果回调函数出现错误就抛出异常 ?// ?开始 webpack 的编译 ?webpack(webpackConfig, function (err, stats) {//编译回调函数 ???spinner.stop() ???if (err) throw err//编译失败就抛出异常 ???process.stdout.write(stats.toString({//标准输出流 ?????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 chalk = require(‘chalk‘)// 用于在控制台输出高亮字体的插件var semver = require(‘semver‘)// 语义化版本检查插件var packageConfig = require(‘../package.json‘)// 引入package.jsonvar shell = require(‘shelljs‘)//引入shelljs// 开辟子进程执行指令cmd并返回结果function exec (cmd) { ?return require(‘child_process‘).execSync(cmd).toString().trim()}// node和npm版本需求var versionRequirements = [ ?{ ???name: ‘node‘, ???currentVersion: semver.clean(process.version), ???versionRequirement: packageConfig.engines.node ?},]if (shell.which(‘npm‘)) { ?versionRequirements.push({ ???name: ‘npm‘, ???currentVersion: exec(‘npm --version‘), ???versionRequirement: packageConfig.engines.npm ?})}module.exports = function () { ?var warnings = [] ?// 依次判断版本是否符合要求 ?for (var i = 0; i < versionRequirements.length; i++) { ???var mod = versionRequirements[i] ???if (!semver.satisfies(mod.currentVersion, mod.versionRequirement)) { ?????warnings.push(mod.name + ‘: ‘ + ???????chalk.red(mod.currentVersion) + ‘ should be ‘ + ???????chalk.green(mod.versionRequirement) ?????) ???} ?} ?if (warnings.length) { ???console.log(‘‘) ???// 如果有警告则将其输出到控制台 ???console.log(chalk.yellow(‘To use this template, you must update following to modules:‘)) ???console.log() ???for (var i = 0; i < warnings.length; i++) { ?????var warning = warnings[i] ?????console.log(‘ ?‘ + warning) ???} ???console.log() ???process.exit(1) ?}}