update to webpack4.0 (#136)

* dev * update * fix * refine * add ScriptExtHtmlWebpackPlugin * update * format * refine * typo * format * docs * docs
2018-08-16 11:08:53 +08:00
parent 4bc17952ed
commit 222f1c48f6
17 changed files with 330 additions and 263 deletions
--- a/README-zh.md
+++ b/README-zh.md
@@ -1,29 +1,32 @@
 # vueAdmin-template

-> 这是一个 极简的vue admin 管理后台 它只包含了 Element UI & axios & iconfont & permission control & lint，这些搭建后台必要的东西。
+> 这是一个 极简的 vue admin 管理后台 它只包含了 Element UI & axios & iconfont & permission control & lint，这些搭建后台必要的东西。

 [线上地址](http://panjiachen.github.io/vueAdmin-template)

 ## Extra
-如果你想要根据用户角色来动态生成侧边栏和router，你可以使用改分支[permission-control](https://github.com/PanJiaChen/vueAdmin-template/tree/permission-control)
- 
- ## 相关项目
- [vue-element-admin](https://github.com/PanJiaChen/vue-element-admin)

- [electron-vue-admin](https://github.com/PanJiaChen/electron-vue-admin)
+如果你想要根据用户角色来动态生成侧边栏和 router，你可以使用改分支[permission-control](https://github.com/PanJiaChen/vueAdmin-template/tree/permission-control)
+
+本项目基于`webpack4`开发，若还想使用`webpack3`开发，请使用该分支[webpack3](https://github.com/PanJiaChen/vueAdmin-template/tree/webpack3)
+
+## 相关项目
+
+[vue-element-admin](https://github.com/PanJiaChen/vue-element-admin)
+
+[electron-vue-admin](https://github.com/PanJiaChen/electron-vue-admin)

 写了一个系列的教程配套文章，如何从零构建后一个完整的后台项目:
- - [手摸手，带你用 vue 撸后台 系列一(基础篇)](https://juejin.im/post/59097cd7a22b9d0065fb61d2)
- - [手摸手，带你用 vue 撸后台 系列二(登录权限篇)](https://juejin.im/post/591aa14f570c35006961acac)
- - [手摸手，带你用 vue 撸后台 系列三 (实战篇)](https://juejin.im/post/593121aa0ce4630057f70d35)
- - [手摸手，带你用vue撸后台 系列四(vueAdmin 一个极简的后台基础模板,专门针对本项目的文章,算作是一篇文档)](https://juejin.im/post/595b4d776fb9a06bbe7dba56)
- - [手摸手，带你封装一个vue component](https://segmentfault.com/a/1190000009090836)

+- [手摸手，带你用 vue 撸后台 系列一(基础篇)](https://juejin.im/post/59097cd7a22b9d0065fb61d2)
+- [手摸手，带你用 vue 撸后台 系列二(登录权限篇)](https://juejin.im/post/591aa14f570c35006961acac)
+- [手摸手，带你用 vue 撸后台 系列三 (实战篇)](https://juejin.im/post/593121aa0ce4630057f70d35)
+- [手摸手，带你用 vue 撸后台 系列四(vueAdmin 一个极简的后台基础模板,专门针对本项目的文章,算作是一篇文档)](https://juejin.im/post/595b4d776fb9a06bbe7dba56)
+- [手摸手，带你封装一个 vue component](https://segmentfault.com/a/1190000009090836)

 ## Build Setup

-``` bash
-
+```bash
 # Clone project
 git clone https://github.com/PanJiaChen/vueAdmin-template.git

@@ -33,25 +36,28 @@ npm install
 # 建议不要用cnpm  安装有各种诡异的bug 可以通过如下操作解决npm速度慢的问题
 npm install --registry=https://registry.npm.taobao.org

-# serve with hot reload at localhost:9528
+# Serve with hot reload at localhost:9528
 npm run dev

-# build for production with minification
+# Build for production with minification
 npm run build

-# build for production and view the bundle analyzer report
+# Build for production and view the bundle analyzer report
 npm run build --report
 ```

 ## Demo
+
 ![demo](https://github.com/PanJiaChen/PanJiaChen.github.io/blob/master/images/demo.gif)

-### Element-Ui 使用cdn教程
+### Element-Ui 使用 cdn 教程
+
 首先找到 `index.html` ([根目录下](https://github.com/PanJiaChen/vueAdmin-template/blob/element-ui-cdn/index.html))

-引入 Element的css和js ，并且引入 vue 。因为 Element-Ui 是依赖 vue 的，所以必须在它之前引入 vue 。
+引入 Element 的 css 和 js ，并且引入 vue 。因为 Element-Ui 是依赖 vue 的，所以必须在它之前引入 vue 。
+
+之后找到 [webpack.base.conf.js](https://github.com/PanJiaChen/vueAdmin-template/blob/element-ui-cdn/build/webpack.base.conf.js) 加入 `externals` 让 webpack 不打包 vue 和 element

-之后找到 [webpack.base.conf.js](https://github.com/PanJiaChen/vueAdmin-template/blob/element-ui-cdn/build/webpack.base.conf.js) 加入 `externals` 让webpack 不打包 vue 和 element
 ```
 externals: {
  vue: 'Vue',
@@ -59,7 +65,7 @@ externals: {
 }
 ```

-之后还有一个小细节是如果你用了全局对象方式引入vue，就不需要 手动 `Vue.use(Vuex）` ，它会自动挂载，具体见 [issue](https://github.com/vuejs/vuex/issues/731)
+之后还有一个小细节是如果你用了全局对象方式引入 vue，就不需要 手动 `Vue.use(Vuex）` ，它会自动挂载，具体见 [issue](https://github.com/vuejs/vuex/issues/731)

 最终你可以使用 `npm run build --report` 查看效果
 如图：
@@ -70,8 +76,7 @@ externals: {
 **[对应分支](https://github.com/PanJiaChen/vueAdmin-template/tree/element-ui-cdn)**

 ## License
+
 [MIT](https://github.com/PanJiaChen/vueAdmin-template/blob/master/LICENSE) license.

 Copyright (c) 2017-present PanJiaChen
-
-
--- a/README.md
+++ b/README.md
@@ -8,36 +8,43 @@

 ## Build Setup

-``` bash
-
+```bash
 # Clone project
 git clone https://github.com/PanJiaChen/vueAdmin-template.git

 # Install dependencies
 npm install

-# serve with hot reload at localhost:9528
+# Serve with hot reload at localhost:9528
 npm run dev

-# build for production with minification
+# Build for production with minification
 npm run build

-# build for production and view the bundle analyzer report
+# Build for production and view the bundle analyzer report
 npm run build --report
 ```

+https://panjiachen.gitee.io/vue-element-admin-site/zh/guide/
+
 ## Demo
+
 ![demo](https://github.com/PanJiaChen/PanJiaChen.github.io/blob/master/images/demo.gif)

 ## Extra
+
 If you want router permission && generate menu by user roles , you can use this branch [permission-control](https://github.com/PanJiaChen/vueAdmin-template/tree/permission-control)

-## Related Project
- [vue-element-admin](https://github.com/PanJiaChen/vue-element-admin)
+This project is based on `webpack4` development. If you want to use `webpack3` development, please use this branch [webpack3](https://github.com/PanJiaChen/vueAdmin-template/tree/webpack3)

- [electron-vue-admin](https://github.com/PanJiaChen/electron-vue-admin)
+## Related Project
+
+[vue-element-admin](https://github.com/PanJiaChen/vue-element-admin)
+
+[electron-vue-admin](https://github.com/PanJiaChen/electron-vue-admin)

 ### Element-Ui using cdn tutorial
+
 First find `index.html`([root directory](https://github.com/PanJiaChen/vueAdmin-template/blob/element-ui-cdn/index.html))

 Import css and js of `Element`, and then import vue. Because `Element` is vue-dependent, vue must be import before it.
@@ -53,7 +60,7 @@ externals: {
 ```

 Finally there is a small detail to pay attention to that if you import vue in global, you don't need to manually `Vue.use(Vuex)`, it will be automatically mounted, see
- [issue](https://github.com/vuejs/vuex/issues/731)
+[issue](https://github.com/vuejs/vuex/issues/731)

 And you can use `npm run build --report` to see the effect

@@ -64,8 +71,8 @@ Pictured:

 **[Branch](https://github.com/PanJiaChen/vueAdmin-template/tree/element-ui-cdn)**

-
 ## License
+
 [MIT](https://github.com/PanJiaChen/vueAdmin-template/blob/master/LICENSE) license.

 Copyright (c) 2017-present PanJiaChen
--- a/build/build.js
+++ b/build/build.js
@@ -19,13 +19,15 @@ rm(path.join(config.build.assetsRoot, config.build.assetsSubDirectory), err => {
  webpack(webpackConfig, (err, stats) => {
    spinner.stop()
    if (err) throw err
-    process.stdout.write(stats.toString({
+    process.stdout.write(
+      stats.toString({
        colors: true,
        modules: false,
        children: false,
        chunks: false,
        chunkModules: false
-    }) + '\n\n')
+      }) + '\n\n'
+    )

    if (stats.hasErrors()) {
      console.log(chalk.red('  Build failed with errors.\n'))
@@ -33,9 +35,11 @@ rm(path.join(config.build.assetsRoot, config.build.assetsSubDirectory), err => {
    }

    console.log(chalk.cyan('  Build complete.\n'))
-    console.log(chalk.yellow(
+    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'
-    ))
+          "  Opening index.html over file:// won't work.\n"
+      )
+    )
  })
 })
--- a/build/check-versions.js
+++ b/build/check-versions.js
@@ -4,8 +4,11 @@ const semver = require('semver')
 const packageConfig = require('../package.json')
 const shell = require('shelljs')

-function exec (cmd) {
-  return require('child_process').execSync(cmd).toString().trim()
+function exec(cmd) {
+  return require('child_process')
+    .execSync(cmd)
+    .toString()
+    .trim()
 }

 const versionRequirements = [
@@ -24,15 +27,18 @@ if (shell.which('npm')) {
  })
 }

-module.exports = function () {
+module.exports = function() {
  const warnings = []

  for (let i = 0; i < versionRequirements.length; i++) {
    const mod = versionRequirements[i]

    if (!semver.satisfies(mod.currentVersion, mod.versionRequirement)) {
-      warnings.push(mod.name + ': ' +
-        chalk.red(mod.currentVersion) + ' should be ' +
+      warnings.push(
+        mod.name +
+          ': ' +
+          chalk.red(mod.currentVersion) +
+          ' should be ' +
          chalk.green(mod.versionRequirement)
      )
    }
@@ -40,7 +46,11 @@ module.exports = function () {

  if (warnings.length) {
    console.log('')
-    console.log(chalk.yellow('To use this template, you must update following to modules:'))
+    console.log(
+      chalk.yellow(
+        'To use this template, you must update following to modules:'
+      )
+    )
    console.log()

    for (let i = 0; i < warnings.length; i++) {
--- a/build/utils.js
+++ b/build/utils.js
@@ -1,18 +1,19 @@
 'use strict'
 const path = require('path')
 const config = require('../config')
-const ExtractTextPlugin = require('extract-text-webpack-plugin')
+const MiniCssExtractPlugin = require('mini-css-extract-plugin')
 const packageConfig = require('../package.json')

-exports.assetsPath = function (_path) {
-  const assetsSubDirectory = process.env.NODE_ENV === 'production'
+exports.assetsPath = function(_path) {
+  const assetsSubDirectory =
+    process.env.NODE_ENV === 'production'
      ? config.build.assetsSubDirectory
      : config.dev.assetsSubDirectory

  return path.posix.join(assetsSubDirectory, _path)
 }

-exports.cssLoaders = function (options) {
+exports.cssLoaders = function(options) {
  options = options || {}

  const cssLoader = {
@@ -30,8 +31,22 @@ exports.cssLoaders = function (options) {
  }

  // generate loader string to be used with extract text plugin
-  function generateLoaders (loader, loaderOptions) {
-    const loaders = options.usePostCSS ? [cssLoader, postcssLoader] : [cssLoader]
+  function generateLoaders(loader, loaderOptions) {
+    const loaders = []
+
+    // Extract CSS when that option is specified
+    // (which is the case during production build)
+    if (options.extract) {
+      loaders.push(MiniCssExtractPlugin.loader)
+    } else {
+      loaders.push('vue-style-loader')
+    }
+
+    loaders.push(cssLoader)
+
+    if (options.usePostCSS) {
+      loaders.push(postcssLoader)
+    }

    if (loader) {
      loaders.push({
@@ -42,24 +57,16 @@ exports.cssLoaders = function (options) {
      })
    }

-    // Extract CSS when that option is specified
-    // (which is the case during production build)
-    if (options.extract) {
-      return ExtractTextPlugin.extract({
-        use: loaders,
-        fallback: 'vue-style-loader'
-      })
-    } else {
-      return ['vue-style-loader'].concat(loaders)
+    return loaders
  }
-  }
-
  // https://vue-loader.vuejs.org/en/configurations/extract-css.html
  return {
    css: generateLoaders(),
    postcss: generateLoaders(),
    less: generateLoaders('less'),
-    sass: generateLoaders('sass', { indentedSyntax: true }),
+    sass: generateLoaders('sass', {
+      indentedSyntax: true
+    }),
    scss: generateLoaders('sass'),
    stylus: generateLoaders('stylus'),
    styl: generateLoaders('stylus')
@@ -67,7 +74,7 @@ exports.cssLoaders = function (options) {
 }

 // Generate loaders for standalone style files (outside of .vue)
-exports.styleLoaders = function (options) {
+exports.styleLoaders = function(options) {
  const output = []
  const loaders = exports.cssLoaders(options)

--- a/build/vue-loader.conf.js
+++ b/build/vue-loader.conf.js
@@ -1,22 +1,5 @@
 'use strict'
-const utils = require('./utils')
-const config = require('../config')
-const isProduction = process.env.NODE_ENV === 'production'
-const sourceMapEnabled = isProduction
-  ? config.build.productionSourceMap
-  : config.dev.cssSourceMap

 module.exports = {
-  loaders: utils.cssLoaders({
-    sourceMap: sourceMapEnabled,
-    extract: isProduction
-  }),
-  cssSourceMap: sourceMapEnabled,
-  cacheBusting: config.dev.cacheBusting,
-  transformToRequire: {
-    video: ['src', 'poster'],
-    source: 'src',
-    img: 'src',
-    image: 'xlink:href'
-  }
+  //You can set the vue-loader configuration by yourself.
 }
--- a/build/webpack.base.conf.js
+++ b/build/webpack.base.conf.js
@@ -2,9 +2,10 @@
 const path = require('path')
 const utils = require('./utils')
 const config = require('../config')
+const { VueLoaderPlugin } = require('vue-loader')
 const vueLoaderConfig = require('./vue-loader.conf')

-function resolve (dir) {
+function resolve(dir) {
  return path.join(__dirname, '..', dir)
 }

@@ -27,7 +28,8 @@ module.exports = {
  output: {
    path: config.build.assetsRoot,
    filename: '[name].js',
-    publicPath: process.env.NODE_ENV === 'production'
+    publicPath:
+      process.env.NODE_ENV === 'production'
        ? config.build.assetsPublicPath
        : config.dev.assetsPublicPath
  },
@@ -48,7 +50,11 @@ module.exports = {
      {
        test: /\.js$/,
        loader: 'babel-loader',
-        include: [resolve('src'), resolve('test') ,resolve('node_modules/webpack-dev-server/client')]
+        include: [
+          resolve('src'),
+          resolve('test'),
+          resolve('node_modules/webpack-dev-server/client')
+        ]
      },
      {
        test: /\.svg$/,
@@ -85,6 +91,7 @@ module.exports = {
      }
    ]
  },
+  plugins: [new VueLoaderPlugin()],
  node: {
    // prevent webpack from injecting useless setImmediate polyfill because Vue
    // source contains it (although only uses it if it's native).
--- a/build/webpack.dev.conf.js
+++ b/build/webpack.dev.conf.js
@@ -9,7 +9,7 @@ const HtmlWebpackPlugin = require('html-webpack-plugin')
 const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
 const portfinder = require('portfinder')

-function resolve (dir) {
+function resolve(dir) {
  return path.join(__dirname, '..', dir)
 }

@@ -17,8 +17,12 @@ const HOST = process.env.HOST
 const PORT = process.env.PORT && Number(process.env.PORT)

 const devWebpackConfig = merge(baseWebpackConfig, {
+  mode: 'development',
  module: {
-    rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap, usePostCSS: true })
+    rules: utils.styleLoaders({
+      sourceMap: config.dev.cssSourceMap,
+      usePostCSS: true
+    })
  },
  // cheap-module-eval-source-map is faster for development
  devtool: config.dev.devtool,
@@ -39,7 +43,7 @@ const devWebpackConfig = merge(baseWebpackConfig, {
    proxy: config.dev.proxyTable,
    quiet: true, // necessary for FriendlyErrorsPlugin
    watchOptions: {
-      poll: config.dev.poll,
+      poll: config.dev.poll
    }
  },
  plugins: [
@@ -47,8 +51,6 @@ const devWebpackConfig = merge(baseWebpackConfig, {
      'process.env': require('../config/dev.env')
    }),
    new webpack.HotModuleReplacementPlugin(),
-    new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
-    new webpack.NoEmitOnErrorsPlugin(),
    // https://github.com/ampedandwired/html-webpack-plugin
    new HtmlWebpackPlugin({
      filename: 'index.html',
@@ -56,7 +58,7 @@ const devWebpackConfig = merge(baseWebpackConfig, {
      inject: true,
      favicon: resolve('favicon.ico'),
      title: 'vue-element-admin'
-    }),
+    })
  ]
 })

@@ -72,14 +74,20 @@ module.exports = new Promise((resolve, reject) => {
      devWebpackConfig.devServer.port = port

      // Add FriendlyErrorsPlugin
-      devWebpackConfig.plugins.push(new FriendlyErrorsPlugin({
+      devWebpackConfig.plugins.push(
+        new FriendlyErrorsPlugin({
          compilationSuccessInfo: {
-          messages: [`Your application is running here: http://${devWebpackConfig.devServer.host}:${port}`],
+            messages: [
+              `Your application is running here: http://${
+                devWebpackConfig.devServer.host
+              }:${port}`
+            ]
          },
          onErrors: config.dev.notifyOnErrors
            ? utils.createNotifierCallback()
            : undefined
-      }))
+        })
+      )

      resolve(devWebpackConfig)
    }
--- a/build/webpack.prod.conf.js
+++ b/build/webpack.prod.conf.js
@@ -7,17 +7,23 @@ const merge = require('webpack-merge')
 const baseWebpackConfig = require('./webpack.base.conf')
 const CopyWebpackPlugin = require('copy-webpack-plugin')
 const HtmlWebpackPlugin = require('html-webpack-plugin')
-const ExtractTextPlugin = require('extract-text-webpack-plugin')
-const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
+const ScriptExtHtmlWebpackPlugin = require('script-ext-html-webpack-plugin')
+const MiniCssExtractPlugin = require('mini-css-extract-plugin')
+const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin')
 const UglifyJsPlugin = require('uglifyjs-webpack-plugin')

-function resolve (dir) {
+function resolve(dir) {
  return path.join(__dirname, '..', dir)
 }

 const env = require('../config/prod.env')

+// For NamedChunksPlugin
+const seen = new Set()
+const nameLength = 4
+
 const webpackConfig = merge(baseWebpackConfig, {
+  mode: 'production',
  module: {
    rules: utils.styleLoaders({
      sourceMap: config.build.productionSourceMap,
@@ -28,37 +34,18 @@ const webpackConfig = merge(baseWebpackConfig, {
  devtool: config.build.productionSourceMap ? config.build.devtool : false,
  output: {
    path: config.build.assetsRoot,
-    filename: utils.assetsPath('js/[name].[chunkhash].js'),
-    chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')
+    filename: utils.assetsPath('js/[name].[chunkhash:8].js'),
+    chunkFilename: utils.assetsPath('js/[name].[chunkhash:8].js')
  },
  plugins: [
    // http://vuejs.github.io/vue-loader/en/workflow/production.html
    new webpack.DefinePlugin({
      'process.env': env
    }),
-    new UglifyJsPlugin({
-      uglifyOptions: {
-        compress: {
-          warnings: false
-        }
-      },
-      sourceMap: config.build.productionSourceMap,
-      parallel: true
-    }),
    // extract css into its own file
-    new ExtractTextPlugin({
-      filename: utils.assetsPath('css/[name].[contenthash].css'),
-      // Setting the following option to `false` will not extract CSS from codesplit chunks.
-      // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
-      // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
-      allChunks: false,
-    }),
-    // Compress extracted CSS. We are using this plugin so that possible
-    // duplicated CSS from different components can be deduped.
-    new OptimizeCSSPlugin({
-      cssProcessorOptions: config.build.productionSourceMap
-        ? { safe: true, map: { inline: false } }
-        : { safe: true }
+    new MiniCssExtractPlugin({
+      filename: utils.assetsPath('css/[name].[contenthash:8].css'),
+      chunkFilename: utils.assetsPath('css/[name].[contenthash:8].css')
    }),
    // generate dist index.html with correct asset hash for caching.
    // you can customize output by editing /index.html
@@ -75,44 +62,34 @@ const webpackConfig = merge(baseWebpackConfig, {
        removeAttributeQuotes: true
        // more options:
        // https://github.com/kangax/html-minifier#options-quick-reference
-      },
-      // necessary to consistently work with multiple chunks via CommonsChunkPlugin
-      chunksSortMode: 'dependency'
+      }
+      // default sort mode uses toposort which cannot handle cyclic deps
+      // in certain cases, and in webpack 4, chunk order in HTML doesn't
+      // matter anyway
+    }),
+    new ScriptExtHtmlWebpackPlugin({
+      //`runtime` must same as runtimeChunk name. default is `runtime`
+      inline: /runtime\..*\.js$/
+    }),
+    // keep chunk.id stable when chunk has no name
+    new webpack.NamedChunksPlugin(chunk => {
+      if (chunk.name) {
+        return chunk.name
+      }
+      const modules = Array.from(chunk.modulesIterable)
+      if (modules.length > 1) {
+        const hash = require('hash-sum')
+        const joinedHash = hash(modules.map(m => m.id).join('_'))
+        let len = nameLength
+        while (seen.has(joinedHash.substr(0, len))) len++
+        seen.add(joinedHash.substr(0, len))
+        return `chunk-${joinedHash.substr(0, len)}`
+      } else {
+        return modules[0].id
+      }
    }),
    // keep module.id stable when vender modules does not change
    new webpack.HashedModuleIdsPlugin(),
-    // enable scope hoisting
-    new webpack.optimize.ModuleConcatenationPlugin(),
-    // split vendor js into its own file
-    new webpack.optimize.CommonsChunkPlugin({
-      name: 'vendor',
-      minChunks (module) {
-        // 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',
-      minChunks: Infinity
-    }),
-    // This instance extracts shared chunks from code splitted chunks and bundles them
-    // in a separate chunk, similar to the vendor chunk
-    // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
-    new webpack.optimize.CommonsChunkPlugin({
-      name: 'app',
-      async: 'vendor-async',
-      children: true,
-      minChunks: 3
-    }),
-
    // copy custom static assets
    new CopyWebpackPlugin([
      {
@@ -121,7 +98,41 @@ const webpackConfig = merge(baseWebpackConfig, {
        ignore: ['.*']
      }
    ])
+  ],
+  optimization: {
+    splitChunks: {
+      chunks: 'all',
+      cacheGroups: {
+        libs: {
+          name: 'chunk-libs',
+          test: /[\\/]node_modules[\\/]/,
+          priority: 10,
+          chunks: 'initial' // 只打包初始时依赖的第三方
+        },
+        elementUI: {
+          name: 'chunk-elementUI', // 单独将 elementUI 拆包
+          priority: 20, // 权重要大于 libs 和 app 不然会被打包进 libs 或者 app
+          test: /[\\/]node_modules[\\/]element-ui[\\/]/
+        }
+      }
+    },
+    runtimeChunk: 'single',
+    minimizer: [
+      new UglifyJsPlugin({
+        uglifyOptions: {
+          mangle: {
+            safari10: true
+          }
+        },
+        sourceMap: config.build.productionSourceMap,
+        cache: true,
+        parallel: true
+      }),
+      // Compress extracted CSS. We are using this plugin so that possible
+      // duplicated CSS from different components can be deduped.
+      new OptimizeCSSAssetsPlugin()
    ]
+  }
 })

 if (config.build.productionGzip) {
@@ -132,9 +143,7 @@ if (config.build.productionGzip) {
      asset: '[path].gz[query]',
      algorithm: 'gzip',
      test: new RegExp(
-        '\\.(' +
-        config.build.productionGzipExtensions.join('|') +
-        ')$'
+        '\\.(' + config.build.productionGzipExtensions.join('|') + ')$'
      ),
      threshold: 10240,
      minRatio: 0.8
@@ -142,9 +151,28 @@ if (config.build.productionGzip) {
  )
 }

-if (config.build.bundleAnalyzerReport) {
-  const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
-  webpackConfig.plugins.push(new BundleAnalyzerPlugin())
+if (config.build.generateAnalyzerReport || config.build.bundleAnalyzerReport) {
+  const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
+    .BundleAnalyzerPlugin
+
+  if (config.build.bundleAnalyzerReport) {
+    webpackConfig.plugins.push(
+      new BundleAnalyzerPlugin({
+        analyzerPort: 8080,
+        generateStatsFile: false
+      })
+    )
+  }
+
+  if (config.build.generateAnalyzerReport) {
+    webpackConfig.plugins.push(
+      new BundleAnalyzerPlugin({
+        analyzerMode: 'static',
+        reportFilename: 'bundle-report.html',
+        openAnalyzer: false
+      })
+    )
+  }
 }

 module.exports = webpackConfig
--- a/config/index.js
+++ b/config/index.js
@@ -6,7 +6,6 @@ const path = require('path')

 module.exports = {
  dev: {
-
    // Paths
    assetsSubDirectory: 'static',
    assetsPublicPath: '/',
@@ -35,17 +34,12 @@ module.exports = {
    // https://webpack.js.org/configuration/devtool/#development
    devtool: 'cheap-source-map',

-    // If you have problems debugging vue-files in devtools,
-    // set this to false - it *may* help
-    // https://vue-loader.vuejs.org/en/options.html#cachebusting
-    cacheBusting: true,
-
    // 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,
+    cssSourceMap: false
  },

  build: {
@@ -71,7 +65,7 @@ module.exports = {

    productionSourceMap: false,
    // https://webpack.js.org/configuration/devtool/#production
-    devtool: '#source-map',
+    devtool: 'source-map',

    // Gzip off by default as many popular static hosts such as
    // Surge or Netlify already gzip all static assets for you.
@@ -84,6 +78,9 @@ module.exports = {
    // 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
+    bundleAnalyzerReport: process.env.npm_config_report || false,
+
+    // `npm run build:prod --generate_report`
+    generateAnalyzerReport: process.env.npm_config_generate_report || false
  }
 }
--- a/package.json
+++ b/package.json
@@ -13,63 +13,65 @@
    "test": "npm run lint"
  },
  "dependencies": {
-    "axios": "0.17.1",
-    "element-ui": "2.3.4",
+    "axios": "0.18.0",
+    "element-ui": "2.4.6",
    "js-cookie": "2.2.0",
    "normalize.css": "7.0.0",
    "nprogress": "0.2.0",
-    "vue": "2.5.10",
+    "vue": "2.5.17",
    "vue-router": "3.0.1",
    "vuex": "3.0.1"
  },
  "devDependencies": {
-    "autoprefixer": "7.2.3",
+    "autoprefixer": "8.5.0",
    "babel-core": "6.26.0",
-    "babel-eslint": "8.0.3",
+    "babel-eslint": "8.2.6",
    "babel-helper-vue-jsx-merge-props": "2.0.3",
-    "babel-loader": "7.1.2",
+    "babel-loader": "7.1.5",
    "babel-plugin-syntax-jsx": "6.18.0",
    "babel-plugin-transform-runtime": "6.23.0",
-    "babel-plugin-transform-vue-jsx": "3.5.0",
-    "babel-preset-env": "1.6.1",
+    "babel-plugin-transform-vue-jsx": "3.7.0",
+    "babel-preset-env": "1.7.0",
    "babel-preset-stage-2": "6.24.1",
-    "chalk": "2.3.0",
-    "copy-webpack-plugin": "4.2.3",
-    "css-loader": "0.28.7",
-    "eslint": "4.13.1",
-    "eslint-friendly-formatter": "3.0.0",
-    "eslint-loader": "1.9.0",
-    "eslint-plugin-html": "4.0.1",
+    "chalk": "2.4.1",
+    "copy-webpack-plugin": "4.5.2",
+    "css-loader": "1.0.0",
+    "eslint": "4.19.1",
+    "eslint-friendly-formatter": "4.0.1",
+    "eslint-loader": "2.0.0",
+    "eslint-plugin-html": "4.0.5",
    "eventsource-polyfill": "0.9.6",
-    "extract-text-webpack-plugin": "3.0.2",
-    "file-loader": "1.1.5",
-    "friendly-errors-webpack-plugin": "1.6.1",
-    "html-webpack-plugin": "2.30.1",
-    "node-notifier": "5.1.2",
+    "file-loader": "1.1.11",
+    "friendly-errors-webpack-plugin": "1.7.0",
+    "html-webpack-plugin": "^4.0.0-alpha",
+    "mini-css-extract-plugin": "0.4.1",
+    "node-notifier": "5.2.1",
    "node-sass": "^4.7.2",
-    "optimize-css-assets-webpack-plugin": "3.2.0",
-    "ora": "1.3.0",
-    "portfinder": "1.0.13",
-    "postcss-import": "11.0.0",
-    "postcss-loader": "2.0.9",
-    "postcss-url": "7.3.0",
+    "optimize-css-assets-webpack-plugin": "5.0.0",
+    "ora": "3.0.0",
+    "portfinder": "1.0.16",
+    "postcss-import": "12.0.0",
+    "postcss-loader": "2.1.6",
+    "postcss-url": "7.3.2",
    "rimraf": "2.6.2",
-    "sass-loader": "6.0.6",
-    "semver": "5.4.1",
-    "shelljs": "0.7.8",
-    "svg-sprite-loader": "3.5.2",
-    "uglifyjs-webpack-plugin": "1.1.3",
-    "url-loader": "0.6.2",
-    "vue-loader": "13.7.2",
-    "vue-style-loader": "3.0.3",
-    "vue-template-compiler": "2.5.10",
-    "webpack": "3.10.0",
-    "webpack-bundle-analyzer": "2.9.1",
-    "webpack-dev-server": "2.9.7",
-    "webpack-merge": "4.1.1"
+    "sass-loader": "7.0.3",
+    "script-ext-html-webpack-plugin": "2.0.1",
+    "semver": "5.5.0",
+    "shelljs": "0.8.2",
+    "svg-sprite-loader": "3.8.0",
+    "uglifyjs-webpack-plugin": "1.2.7",
+    "url-loader": "1.0.1",
+    "vue-loader": "15.3.0",
+    "vue-style-loader": "4.1.2",
+    "vue-template-compiler": "2.5.17",
+    "webpack": "4.16.5",
+    "webpack-bundle-analyzer": "2.13.1",
+    "webpack-cli": "3.1.0",
+    "webpack-dev-server": "3.1.5",
+    "webpack-merge": "4.1.4"
  },
  "engines": {
-    "node": ">= 4.0.0",
+    "node": ">= 6.0.0",
    "npm": ">= 3.0.0"
  },
  "browserslist": [
--- a/src/icons/index.js
+++ b/src/icons/index.js
@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import SvgIcon from '@/components/SvgIcon'// svg组件
+import SvgIcon from '@/components/SvgIcon' // svg组件

 // register globally
 Vue.component('svg-icon', SvgIcon)
--- a/src/main.js
+++ b/src/main.js
@@ -1,6 +1,6 @@
 import Vue from 'vue'

-import 'normalize.css/normalize.css'// A modern alternative to CSS resets
+import 'normalize.css/normalize.css' // A modern alternative to CSS resets

 import ElementUI from 'element-ui'
 import 'element-ui/lib/theme-chalk/index.css'
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -25,7 +25,7 @@ export function parseTime(time, cFormat) {
  }
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
-    if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
+    if (key === 'a') { return ['一', '二', '三', '四', '五', '六', '日'][value - 1] }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
@@ -43,7 +43,8 @@ export function formatTime(time, option) {

  if (diff < 30) {
    return '刚刚'
-  } else if (diff < 3600) { // less 1 hour
+  } else if (diff < 3600) {
+    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
@@ -53,6 +54,16 @@ export function formatTime(time, option) {
  if (option) {
    return parseTime(time, option)
  } else {
-    return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
+    return (
+      d.getMonth() +
+      1 +
+      '月' +
+      d.getDate() +
+      '日' +
+      d.getHours() +
+      '时' +
+      d.getMinutes() +
+      '分'
+    )
  }
 }
--- a/src/utils/request.js
+++ b/src/utils/request.js
@@ -10,16 +10,19 @@ const service = axios.create({
 })

 // request拦截器
-service.interceptors.request.use(config => {
+service.interceptors.request.use(
+  config => {
    if (store.getters.token) {
      config.headers['X-Token'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    return config
-}, error => {
+  },
+  error => {
    // Do something with request error
    console.log(error) // for debug
    Promise.reject(error)
-})
+  }
+)

 // respone拦截器
 service.interceptors.response.use(
@@ -37,13 +40,17 @@ service.interceptors.response.use(

      // 50008:非法的token; 50012:其他客户端登录了;  50014:Token 过期了;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
-        MessageBox.confirm('你已被登出，可以取消继续留在该页面，或者重新登录', '确定登出', {
+        MessageBox.confirm(
+          '你已被登出，可以取消继续留在该页面，或者重新登录',
+          '确定登出',
+          {
            confirmButtonText: '重新登录',
            cancelButtonText: '取消',
            type: 'warning'
-        }).then(() => {
+          }
+        ).then(() => {
          store.dispatch('FedLogOut').then(() => {
-            location.reload()// 为了重新实例化vue-router对象 避免bug
+            location.reload() // 为了重新实例化vue-router对象 避免bug
          })
        })
      }
@@ -53,7 +60,7 @@ service.interceptors.response.use(
    }
  },
  error => {
-    console.log('err' + error)// for debug
+    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
--- a/src/utils/validate.js
+++ b/src/utils/validate.js
@@ -30,4 +30,3 @@ export function validatAlphabets(str) {
  const reg = /^[A-Za-z]+$/
  return reg.test(str)
 }
-
--- a/src/views/404.vue
+++ b/src/views/404.vue
@@ -2,10 +2,10 @@
  <div class="wscn-http404-container">
    <div class="wscn-http404">
      <div class="pic-404">
-        <img class="pic-404__parent" :src="img_404" alt="404">
-        <img class="pic-404__child left" :src="img_404_cloud" alt="404">
-        <img class="pic-404__child mid" :src="img_404_cloud" alt="404">
-        <img class="pic-404__child right" :src="img_404_cloud" alt="404">
+        <img class="pic-404__parent" src="@/assets/404_images/404.png" alt="404">
+        <img class="pic-404__child left" src="@/assets/404_images/404_cloud.png" alt="404">
+        <img class="pic-404__child mid" src="@/assets/404_images/404_cloud.png" alt="404">
+        <img class="pic-404__child right" src="@/assets/404_images/404_cloud.png" alt="404">
      </div>
      <div class="bullshit">
        <div class="bullshit__oops">OOPS!</div>
@@ -21,17 +21,9 @@
 </template>

 <script>
-import img_404 from '@/assets/404_images/404.png'
-import img_404_cloud from '@/assets/404_images/404_cloud.png'

 export default {
  name: 'page404',
-  data() {
-    return {
-      img_404,
-      img_404_cloud
-    }
-  },
  computed: {
    message() {
      return '网管说这个页面你不能进......'