From 648262012036ddbbb912e6a75e2216e5d71597ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E6=A0=91=E6=9E=97?= <904079904@qq.com>
Date: Thu, 4 Jul 2019 16:36:32 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .gitignore                                 | 113 +++----
 public/react/config/webpack.config.dev.js  | 309 -----------------
 public/react/config/webpack.config.prod.js | 365 ---------------------
 3 files changed, 57 insertions(+), 730 deletions(-)
 delete mode 100644 public/react/config/webpack.config.dev.js
 delete mode 100644 public/react/config/webpack.config.prod.js

diff --git a/.gitignore b/.gitignore
index ecc3e003a..18e26e891 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,56 +1,57 @@
-# See https://help.github.com/articles/ignoring-files for more about ignoring files.
-#
-# If you find yourself ignoring temporary files generated by your text editor
-# or operating system, you probably want to add a global ignore instead:
-#   git config --global core.excludesfile '~/.gitignore_global'
-
-# Ignore bundler config.
-/.bundle
-
-# mac
-*.DS_Store
-
-# Ignore all logfiles and tempfiles.
-/log/*
-/tmp/*
-!/log/.keep
-!/tmp/.keep
-
-# Ignore uploaded files in development
-/storage/*
-
-/node_modules
-/yarn-error.log
-
-# /public/assets
-.byebug_history
-
-# Ignore master key for decrypting credentials and more.
-/config/master.key
-/config/database.yml
-/.idea/*
-
-# Ignore react node_modules
-/public/react/build
-/public/react/build/
-/public/react/node_modules/
-/public/react/config/stats.json
-/public/react/stats.json
-
-/public/npm-debug.log
-
-# avatars
-/public/images/avatars
-
-/config/secrets.yml
-/files/archiveZip/*
-/files/cache_store/*
-public/upload.html
-/config/configuration.yml
-/config/initializers/gitlab_config.rb
-/db/schema.rb
-.vscode/
-vendor/bundle/
-.ruby-version
-.ruby-gemset
-
+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile '~/.gitignore_global'
+
+# Ignore bundler config.
+/.bundle
+
+# mac
+*.DS_Store
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore uploaded files in development
+/storage/*
+
+/node_modules
+/yarn-error.log
+
+# /public/assets
+.byebug_history
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key
+/config/database.yml
+/.idea/*
+
+# Ignore react node_modules
+/public/react/build
+/public/react/build/
+/public/react/.cache
+/public/react/node_modules/
+/public/react/config/stats.json
+/public/react/stats.json
+
+/public/npm-debug.log
+
+# avatars
+/public/images/avatars
+
+/config/secrets.yml
+/files/archiveZip/*
+/files/cache_store/*
+public/upload.html
+/config/configuration.yml
+/config/initializers/gitlab_config.rb
+/db/schema.rb
+.vscode/
+vendor/bundle/
+.ruby-version
+.ruby-gemset
+
diff --git a/public/react/config/webpack.config.dev.js b/public/react/config/webpack.config.dev.js
deleted file mode 100644
index 48e4f7f52..000000000
--- a/public/react/config/webpack.config.dev.js
+++ /dev/null
@@ -1,309 +0,0 @@
-'use strict';
-
-const autoprefixer = require('autoprefixer');
-const path = require('path');
-const webpack = require('webpack');
-const HtmlWebpackPlugin = require('html-webpack-plugin');
-const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
-const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
-const WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin');
-const eslintFormatter = require('react-dev-utils/eslintFormatter');
-const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
-const ParallelUglifyPlugin = require('webpack-parallel-uglify-plugin');
-// const MonacoWebpackPlugin = require('monaco-editor-webpack-plugin');
-const getClientEnvironment = require('./env');
-const paths = require('./paths');
-
-// Webpack uses `publicPath` to determine where the app is being served from.
-// In development, we always serve from the root. This makes config easier.
-const publicPath = '/';
-// `publicUrl` is just like `publicPath`, but we will provide it to our app
-// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
-// Omit trailing slash as %PUBLIC_PATH%/xyz looks better than %PUBLIC_PATH%xyz.
-const publicUrl = '';
-// Get environment variables to inject into our app.
-const env = getClientEnvironment(publicUrl);
-
-// This is the development configuration.
-// It is focused on developer experience and fast rebuilds.
-// The production configuration is different and lives in a separate file.
-module.exports = {
-  // You may want 'eval' instead if you prefer to see the compiled output in DevTools.
-  // See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.
-  devtool: 'cheap-module-source-map',
-  // These are the "entry points" to our application.
-  // This means they will be the "root" imports that are included in JS bundle.
-  // The first two entry points enable "hot" CSS and auto-refreshes for JS.
-  entry: [
-    // We ship a few polyfills by default:
-    require.resolve('./polyfills'),
-    // Include an alternative client for WebpackDevServer. A client's job is to
-    // connect to WebpackDevServer by a socket and get notified about changes.
-    // When you save a file, the client will either apply hot updates (in case
-    // of CSS changes), or refresh the page (in case of JS changes). When you
-    // make a syntax error, this client will display a syntax error overlay.
-    // Note: instead of the default WebpackDevServer client, we use a custom one
-    // to bring better experience for Create React App users. You can replace
-    // the line below with these two lines if you prefer the stock client:
-    // require.resolve('webpack-dev-server/client') + '?/',
-    // require.resolve('webpack/hot/dev-server'),
-    require.resolve('react-dev-utils/webpackHotDevClient'),
-    // Finally, this is your app's code:
-    paths.appIndexJs,
-    // We include the app code last so that if there is a runtime error during
-    // initialization, it doesn't blow up the WebpackDevServer client, and
-    // changing JS code would still trigger a refresh.
-  ],
-  output: {
-    // Add /* filename */ comments to generated require()s in the output.
-    pathinfo: true,
-    // This does not produce a real file. It's just the virtual path that is
-    // served by WebpackDevServer in development. This is the JS bundle
-    // containing code from all our entry points, and the Webpack runtime.
-    filename: 'static/js/bundle.js',
-    // There are also additional JS chunk files if you use code splitting.
-    chunkFilename: 'static/js/[name].chunk.js',
-    // This is the URL that app is served from. We use "/" in development.
-    publicPath: publicPath,
-    // Point sourcemap entries to original disk location (format as URL on Windows)
-    devtoolModuleFilenameTemplate: info =>
-      path.resolve(info.absoluteResourcePath).replace(/\\/g, '/'),
-  },
-  resolve: {
-    // This allows you to set a fallback for where Webpack should look for modules.
-    // We placed these paths second because we want `node_modules` to "win"
-    // if there are any conflicts. This matches Node resolution mechanism.
-    // https://github.com/facebookincubator/create-react-app/issues/253
-    modules: ['node_modules', paths.appNodeModules].concat(
-      // It is guaranteed to exist because we tweak it in `env.js`
-      process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
-    ),
-    // These are the reasonable defaults supported by the Node ecosystem.
-    // We also include JSX as a common component filename extension to support
-    // some tools, although we do not recommend using it, see:
-    // https://github.com/facebookincubator/create-react-app/issues/290
-    // `web` extension prefixes have been added for better support
-    // for React Native Web.
-    extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
-    alias: {
-
-      "educoder": __dirname + "/../src/common/educoder.js",
-      // Support React Native Web
-      // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
-      'react-native': 'react-native-web',
-    },
-    plugins: [
-      // Prevents users from importing files from outside of src/ (or node_modules/).
-      // This often causes confusion because we only process files within src/ with babel.
-      // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
-      // please link the files into your node_modules/ and let module-resolution kick in.
-      // Make sure your source files are compiled, as they will not be processed in any way.
-      new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
-      // MonacoEditor
-      // https://github.com/Microsoft/monaco-editor/blob/master/docs/integrate-esm.md
-      // https://github.com/Microsoft/monaco-editor-webpack-plugin/issues/56
-      // new MonacoWebpackPlugin(),
-    ],
-  },
-  module: {
-    strictExportPresence: true,
-    rules: [
-      // TODO: Disable require.ensure as it's not a standard language feature.
-      // We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
-      // { parser: { requireEnsure: false } },
-
-      // First, run the linter.
-      // It's important to do this before Babel processes the JS.
-      // {
-      //   test: /\.(js|jsx|mjs)$/,
-      //   enforce: 'pre',
-      //   use: [
-      //     {
-      //       options: {
-      //         formatter: eslintFormatter,
-      //         eslintPath: require.resolve('eslint'),
-			//
-      //       },
-      //       loader: require.resolve('eslint-loader'),
-      //     },
-      //   ],
-      //   include: paths.appSrc,
-      // },
-      {
-        // "oneOf" will traverse all following loaders until one will
-        // match the requirements. When no loader matches it will fall
-        // back to the "file" loader at the end of the loader list.
-        oneOf: [
-          // "url" loader works like "file" loader except that it embeds assets
-          // smaller than specified limit in bytes as data URLs to avoid requests.
-          // A missing `test` is equivalent to a match.
-          {
-            test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
-            loader: require.resolve('url-loader'),
-            options: {
-              limit: 10000,
-              name: 'static/media/[name].[hash:8].[ext]',
-            },
-          },
-          // Process JS with Babel.
-          {
-            test: /\.(js|jsx|mjs)$/,
-            include: paths.appSrc,
-            loader: require.resolve('babel-loader'),
-            options: {
-              
-              // This is a feature of `babel-loader` for webpack (not Babel itself).
-              // It enables caching results in ./node_modules/.cache/babel-loader/
-              // directory for faster rebuilds.
-              cacheDirectory: true,
-            },
-          },
-          // "postcss" loader applies autoprefixer to our CSS.
-          // "css" loader resolves paths in CSS and adds assets as dependencies.
-          // "style" loader turns CSS into JS modules that inject <style> tags.
-          // In production, we use a plugin to extract that CSS to a file, but
-          // in development "style" loader enables hot editing of CSS.
-          {
-            test: /\.css$/,
-            use: [
-              require.resolve('style-loader'),
-              {
-                loader: require.resolve('css-loader'),
-                options: {
-                  importLoaders: 1,
-                },
-              },
-              {
-                loader: require.resolve('postcss-loader'),
-                options: {
-                  // Necessary for external CSS imports to work
-                  // https://github.com/facebookincubator/create-react-app/issues/2677
-                  ident: 'postcss',
-                  plugins: () => [
-                    require('postcss-flexbugs-fixes'),
-                    autoprefixer({
-                      browsers: [
-                        '>1%',
-                        'last 4 versions',
-                        'Firefox ESR',
-                        'not ie < 9', // React doesn't support IE8 anyway
-                      ],
-                      flexbox: 'no-2009',
-                    }),
-                  ],
-                },
-              },
-            ],
-          },
-          // "file" loader makes sure those assets get served by WebpackDevServer.
-          // When you `import` an asset, you get its (virtual) filename.
-          // In production, they would get copied to the `build` folder.
-          // This loader doesn't use a "test" so it will catch all modules
-          // that fall through the other loaders.
-          {
-            // Exclude `js` files to keep "css" loader working as it injects
-            // its runtime that would otherwise processed through "file" loader.
-            // Also exclude `html` and `json` extensions so they get processed
-            // by webpacks internal loaders.
-            exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
-            loader: require.resolve('file-loader'),
-            options: {
-              name: 'static/media/[name].[hash:8].[ext]',
-            },
-          },
-        ],
-      },
-      // ** STOP ** Are you adding a new loader?
-      // Make sure to add the new loader(s) before the "file" loader.
-    ],
-  },
-  plugins: [
-    // Makes some environment variables available in index.html.
-    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
-    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
-    // In development, this will be an empty string.
-    new InterpolateHtmlPlugin(env.raw),
-    // Generates an `index.html` file with the <script> injected.
-    new HtmlWebpackPlugin({
-      inject: true,
-      template: paths.appHtml,
-    }),
-    // Add module names to factory functions so they appear in browser profiler.
-    new webpack.NamedModulesPlugin(),
-    // Makes some environment variables available to the JS code, for example:
-    // if (process.env.NODE_ENV === 'development') { ... }. See `./env.js`.
-    new webpack.DefinePlugin(env.stringified),
-    // This is necessary to emit hot updates (currently CSS only):
-    new webpack.HotModuleReplacementPlugin(),
-    // Watcher doesn't work well if you mistype casing in a path so we use
-    // a plugin that prints an error when you attempt to do this.
-    // See https://github.com/facebookincubator/create-react-app/issues/240
-    new CaseSensitivePathsPlugin(),
-    // If you require a missing module and then `npm install` it, you still have
-    // to restart the development server for Webpack to discover it. This plugin
-    // makes the discovery automatic so you don't have to restart.
-    // See https://github.com/facebookincubator/create-react-app/issues/186
-    new WatchMissingNodeModulesPlugin(paths.appNodeModules),
-    // Moment.js is an extremely popular library that bundles large locale files
-    // by default due to how Webpack interprets its code. This is a practical
-    // solution that requires the user to opt into importing specific locales.
-    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
-    // You can remove this if you don't use Moment.js:
-    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
-    new ParallelUglifyPlugin({
-      // 传递给 UglifyJS的参数如下：
-      uglifyJS: {
-        output: {
-          /*
-           是否输出可读性较强的代码，即会保留空格和制表符，默认为输出，为了达到更好的压缩效果，
-           可以设置为false
-          */
-          beautify: false,
-          /*
-           是否保留代码中的注释，默认为保留，为了达到更好的压缩效果，可以设置为false
-          */
-          comments: false
-        },
-        compress: {
-          /*
-           是否在UglifyJS删除没有用到的代码时输出警告信息，默认为输出，可以设置为false关闭这些作用
-           不大的警告
-          */
-          warnings: false,
-
-          /*
-           是否删除代码中所有的console语句，默认为不删除，开启后，会删除所有的console语句
-          */
-          drop_console: true,
-
-          /*
-           是否内嵌虽然已经定义了，但是只用到一次的变量，比如将 var x = 1; y = x, 转换成 y = 5, 默认为不
-           转换，为了达到更好的压缩效果，可以设置为false
-          */
-          collapse_vars: true,
-
-          /*
-           是否提取出现了多次但是没有定义成变量去引用的静态值，比如将 x = 'xxx'; y = 'xxx'  转换成
-           var a = 'xxxx'; x = a; y = a; 默认为不转换，为了达到更好的压缩效果，可以设置为false
-          */
-          reduce_vars: true
-        }
-      }
-    }),
-  ],
-  // Some libraries import Node modules but don't use them in the browser.
-  // Tell Webpack to provide empty mocks for them so importing them works.
-  node: {
-    dgram: 'empty',
-    fs: 'empty',
-    net: 'empty',
-    tls: 'empty',
-    child_process: 'empty',
-  },
-  // Turn off performance hints during development because we don't do any
-  // splitting or minification in interest of speed. These warnings become
-  // cumbersome.
-  performance: {
-    hints: false,
-  },
-};
diff --git a/public/react/config/webpack.config.prod.js b/public/react/config/webpack.config.prod.js
deleted file mode 100644
index e70e04fac..000000000
--- a/public/react/config/webpack.config.prod.js
+++ /dev/null
@@ -1,365 +0,0 @@
-'use strict';
-
-const autoprefixer = require('autoprefixer');
-const path = require('path');
-const webpack = require('webpack');
-const HtmlWebpackPlugin = require('html-webpack-plugin');
-const ExtractTextPlugin = require('extract-text-webpack-plugin');
-const ManifestPlugin = require('webpack-manifest-plugin');
-const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
-const SWPrecacheWebpackPlugin = require('sw-precache-webpack-plugin');
-const eslintFormatter = require('react-dev-utils/eslintFormatter');
-const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
-const ParallelUglifyPlugin = require('webpack-parallel-uglify-plugin');
-
-const paths = require('./paths');
-const getClientEnvironment = require('./env');
-
-// Webpack uses `publicPath` to determine where the app is being served from.
-// It requires a trailing slash, or the file assets will get an incorrect path.
-const publicPath = paths.servedPath;
-// Some apps do not use client-side routing with pushState.
-// For these, "homepage" can be set to "." to enable relative asset paths.
-const shouldUseRelativeAssetPaths = publicPath === './';
-// Source maps are resource heavy and can cause out of memory issue for large source files.
-const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
-// `publicUrl` is just like `publicPath`, but we will provide it to our app
-// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
-// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
-const publicUrl = publicPath.slice(0, -1);
-// Get environment variables to inject into our app.
-const env = getClientEnvironment(publicUrl);
-
-// Assert this just to be safe.
-// Development builds of React are slow and not intended for production.
-if (env.stringified['process.env'].NODE_ENV !== '"production"') {
-  throw new Error('Production builds must have NODE_ENV=production.');
-}
-
-// Note: defined here because it will be used more than once.
-const cssFilename = './static/css/[name].[contenthash:8].css';
-
-// ExtractTextPlugin expects the build output to be flat.
-// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
-// However, our output is structured with css, js and media folders.
-// To have this structure working with relative paths, we have to use custom options.
-const extractTextPluginOptions = shouldUseRelativeAssetPaths
-  ? // Making sure that the publicPath goes back to to build folder.
-    { publicPath: Array(cssFilename.split('/').length).join('../') }
-  : {};
-
-// This is the production configuration.
-// It compiles slowly and is focused on producing a fast and minimal bundle.
-// The development configuration is different and lives in a separate file.
-
-// console.log('publicPath ', publicPath)
-module.exports = {
-  // Don't attempt to continue if there are any errors.
-  bail: true,
-  // We generate sourcemaps in production. This is slow but gives good results.
-  // You can exclude the *.map files from the build during deployment.
-  devtool: shouldUseSourceMap ? 'nosources-source-map' : false,  //正式版
-  // devtool: shouldUseSourceMap ? 'source-map' : false,//测试版
-  // In production, we only want to load the polyfills and the app code.
-  entry: [require.resolve('./polyfills'), paths.appIndexJs],
-  output: {
-    // The build folder.
-    path: paths.appBuild,
-    // Generated JS file names (with nested folders).
-    // There will be one main bundle, and one file per asynchronous chunk.
-    // We don't currently advertise code splitting but Webpack supports it.
-    filename: './static/js/[name].[chunkhash:8].js',
-    chunkFilename: './static/js/[name].[chunkhash:8].chunk.js',
-    // We inferred the "public path" (such as / or /my-project) from homepage.
-    // cdn
-    // publicPath: 'https://shixun.educoder.net/react/build/', //publicPath,   https://cdn.educoder.net
-    // publicPath: 'https://cdn-testeduplus2.educoder.net/react/build/', //publicPath,   https://cdn.educoder.net
-    publicPath: '/react/build/', //publicPath,   https://cdn.educoder.net
-    
-    // Point sourcemap entries to original disk location (format as URL on Windows)
-    devtoolModuleFilenameTemplate: info =>
-      path
-        .relative(paths.appSrc, info.absoluteResourcePath)
-        .replace(/\\/g, '/'),
-  },
-  resolve: {
-    // This allows you to set a fallback for where Webpack should look for modules.
-    // We placed these paths second because we want `node_modules` to "win"
-    // if there are any conflicts. This matches Node resolution mechanism.
-    // https://github.com/facebookincubator/create-react-app/issues/253
-    modules: ['node_modules', paths.appNodeModules].concat(
-      // It is guaranteed to exist because we tweak it in `env.js`
-      process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
-    ),
-    // These are the reasonable defaults supported by the Node ecosystem.
-    // We also include JSX as a common component filename extension to support
-    // some tools, although we do not recommend using it, see:
-    // https://github.com/facebookincubator/create-react-app/issues/290
-    // `web` extension prefixes have been added for better support
-    // for React Native Web.
-    extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
-    alias: {
-      "educoder": __dirname + "/../src/common/educoder.js",
-      // Support React Native Web
-      // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
-      'react-native': 'react-native-web',
-    },
-    plugins: [
-      // Prevents users from importing files from outside of src/ (or node_modules/).
-      // This often causes confusion because we only process files within src/ with babel.
-      // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
-      // please link the files into your node_modules/ and let module-resolution kick in.
-      // Make sure your source files are compiled, as they will not be processed in any way.
-      new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
-    ],
-  },
-  module: {
-    strictExportPresence: true,
-    rules: [
-      // TODO: Disable require.ensure as it's not a standard language feature.
-      // We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
-      // { parser: { requireEnsure: false } },
-
-      // First, run the linter.
-      // It's important to do this before Babel processes the JS.
-      // {
-      //   test: /\.(js|jsx|mjs)$/,
-      //   enforce: 'pre',
-      //   use: [
-      //     {
-      //       options: {
-      //         formatter: eslintFormatter,
-      //         eslintPath: require.resolve('eslint'),
-      //
-      //       },
-      //       loader: require.resolve('eslint-loader'),
-      //     },
-      //   ],
-      //   include: paths.appSrc,
-      // },
-      {
-        // "oneOf" will traverse all following loaders until one will
-        // match the requirements. When no loader matches it will fall
-        // back to the "file" loader at the end of the loader list.
-        oneOf: [
-          // "url" loader works just like "file" loader but it also embeds
-          // assets smaller than specified size as data URLs to avoid requests.
-          {
-            test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
-            loader: require.resolve('url-loader'),
-            options: {
-              limit: 10000,
-              name: 'static/media/[name].[hash:8].[ext]',
-            },
-          },
-          // Process JS with Babel.
-          {
-            test: /\.(js|jsx|mjs)$/,
-            include: paths.appSrc,
-            loader: require.resolve('babel-loader'),
-            options: {
-              
-              compact: true,
-            },
-          },
-          // The notation here is somewhat confusing.
-          // "postcss" loader applies autoprefixer to our CSS.
-          // "css" loader resolves paths in CSS and adds assets as dependencies.
-          // "style" loader normally turns CSS into JS modules injecting <style>,
-          // but unlike in development configuration, we do something different.
-          // `ExtractTextPlugin` first applies the "postcss" and "css" loaders
-          // (second argument), then grabs the result CSS and puts it into a
-          // separate file in our build process. This way we actually ship
-          // a single CSS file in production instead of JS code injecting <style>
-          // tags. If you use code splitting, however, any async bundles will still
-          // use the "style" loader inside the async code so CSS from them won't be
-          // in the main CSS file.
-          {
-            test: /\.css$/,
-            loader: ExtractTextPlugin.extract(
-              Object.assign(
-                {
-                  fallback: {
-                    loader: require.resolve('style-loader'),
-                    options: {
-                      hmr: false,
-                    },
-                  },
-                  use: [
-                    {
-                      loader: require.resolve('css-loader'),
-                      options: {
-                        importLoaders: 1,
-                        minimize: true,
-                        sourceMap: shouldUseSourceMap,
-                      },
-                    },
-                    {
-                      loader: require.resolve('postcss-loader'),
-                      options: {
-                        // Necessary for external CSS imports to work
-                        // https://github.com/facebookincubator/create-react-app/issues/2677
-                        ident: 'postcss',
-                        plugins: () => [
-                          require('postcss-flexbugs-fixes'),
-                          autoprefixer({
-                            browsers: [
-                              '>1%',
-                              'last 4 versions',
-                              'Firefox ESR',
-                              'not ie < 9', // React doesn't support IE8 anyway
-                            ],
-                            flexbox: 'no-2009',
-                          }),
-                        ],
-                      },
-                    },
-                  ],
-                },
-                extractTextPluginOptions
-              )
-            ),
-            // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
-          },
-          // "file" loader makes sure assets end up in the `build` folder.
-          // When you `import` an asset, you get its filename.
-          // This loader doesn't use a "test" so it will catch all modules
-          // that fall through the other loaders.
-          {
-            loader: require.resolve('file-loader'),
-            // Exclude `js` files to keep "css" loader working as it injects
-            // it's runtime that would otherwise processed through "file" loader.
-            // Also exclude `html` and `json` extensions so they get processed
-            // by webpacks internal loaders.
-            exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
-            options: {
-              name: 'static/media/[name].[hash:8].[ext]',
-            },
-          },
-          // ** STOP ** Are you adding a new loader?
-          // Make sure to add the new loader(s) before the "file" loader.
-        ],
-      },
-    ],
-  },
-  plugins: [
-    // Makes some environment variables available in index.html.
-    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
-    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
-    // In production, it will be an empty string unless you specify "homepage"
-    // in `package.json`, in which case it will be the pathname of that URL.
-    new InterpolateHtmlPlugin(env.raw),
-    // Generates an `index.html` file with the <script> injected.
-    new HtmlWebpackPlugin({
-      inject: true,
-      template: paths.appHtml,
-      minify: {
-        removeComments: true,
-        collapseWhitespace: true,
-        removeRedundantAttributes: true,
-        useShortDoctype: true,
-        removeEmptyAttributes: true,
-        removeStyleLinkTypeAttributes: true,
-        keepClosingSlash: true,
-        minifyJS: true,
-        minifyCSS: true,
-        minifyURLs: true,
-      },
-    }),
-    // Makes some environment variables available to the JS code, for example:
-    // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
-    // It is absolutely essential that NODE_ENV was set to production here.
-    // Otherwise React will be compiled in the very slow development mode.
-    new webpack.DefinePlugin(env.stringified),
-    // Minify the code.
-    // new webpack.optimize.UglifyJsPlugin({
-    //   compress: {
-    //     warnings: false,
-    //     // Disabled because of an issue with Uglify breaking seemingly valid code:
-    //     // https://github.com/facebookincubator/create-react-app/issues/2376
-    //     // Pending further investigation:
-    //     // https://github.com/mishoo/UglifyJS2/issues/2011
-    //     comparisons: false,
-    //   },
-    //   mangle: {
-    //     safari10: true,
-    //   },
-    //   output: {
-    //     comments: false,
-    //     // Turned on because emoji and regex is not minified properly using default
-    //     // https://github.com/facebookincubator/create-react-app/issues/2488
-    //     ascii_only: true,
-    //   },
-    //   sourceMap: shouldUseSourceMap,
-    // }),
-
-    new ParallelUglifyPlugin({
-      cacheDir: '.cache/',
-      uglifyJS:{
-        output: {
-          comments: false
-        },
-        warnings: false,
-        compress: {
-          drop_debugger: true,
-          drop_console: true
-        }
-      }
-    }),
-    // Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
-    new ExtractTextPlugin({
-      filename: cssFilename,
-    }),
-    // Generate a manifest file which contains a mapping of all asset filenames
-    // to their corresponding output file so that tools can pick it up without
-    // having to parse `index.html`.
-    new ManifestPlugin({
-      fileName: 'asset-manifest.json',
-    }),
-    // Generate a service worker script that will precache, and keep up to date,
-    // the HTML & assets that are part of the Webpack build.
-    new SWPrecacheWebpackPlugin({
-      // By default, a cache-busting query parameter is appended to requests
-      // used to populate the caches, to ensure the responses are fresh.
-      // If a URL is already hashed by Webpack, then there is no concern
-      // about it being stale, and the cache-busting can be skipped.
-      dontCacheBustUrlsMatching: /\.\w{8}\./,
-      filename: 'service-worker.js',
-      logger(message) {
-        if (message.indexOf('Total precache size is') === 0) {
-          // This message occurs for every build and is a bit too noisy.
-          return;
-        }
-        if (message.indexOf('Skipping static resource') === 0) {
-          // This message obscures real errors so we ignore it.
-          // https://github.com/facebookincubator/create-react-app/issues/2612
-          return;
-        }
-        // console.log(message);
-      },
-      minify: true,
-      // For unknown URLs, fallback to the index page
-      navigateFallback: publicUrl + '/index.html',
-      // Ignores URLs starting from /__ (useful for Firebase):
-      // https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
-      navigateFallbackWhitelist: [/^(?!\/__).*/],
-      // Don't precache sourcemaps (they're large) and build asset manifest:
-      staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
-    }),
-    // Moment.js is an extremely popular library that bundles large locale files
-    // by default due to how Webpack interprets its code. This is a practical
-    // solution that requires the user to opt into importing specific locales.
-    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
-    // You can remove this if you don't use Moment.js:
-    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
-  ],
-  // Some libraries import Node modules but don't use them in the browser.
-  // Tell Webpack to provide empty mocks for them so importing them works.
-  node: {
-    dgram: 'empty',
-    fs: 'empty',
-    net: 'empty',
-    tls: 'empty',
-    child_process: 'empty',
-  },
-};