[enhancement]Remove useless files and performance enhancement in dev server.

meta.js

@@ -105,6 +105,7 @@ module.exports = {
     ".eslintrc.js": "lint",
     ".eslintignore": "lint",
     "config/test.env.js": "unit || e2e",
+    "build/webpack.test.conf.js": "e2e || (unit && runner === 'karma')",
     "test/unit/**/*": "unit",
     "test/unit/index.js": "unit && runner === 'karma'",
     "test/unit/karma.conf.js": "unit && runner === 'karma'",

template/.babelrc

@@ -5,12 +5,11 @@
     }],
     "stage-2"
   ],
-  "plugins": ["transform-runtime"],
+  "plugins": ["transform-runtime"]{{#if_or unit e2e}},
   "env": {
     "test": {
       "presets": ["env", "stage-2"]{{#if_eq runner "karma"}},
-      "plugins": ["istanbul"]
-      {{/if_eq}}
+      "plugins": ["istanbul"]{{/if_eq}}
     }
-  }
+  }{{/if_or}}
 }

template/build/webpack.dev.conf.js

@@ -14,12 +14,13 @@ const devWebpackConfig = merge(baseWebpackConfig, {
   },
   // cheap-module-eval-source-map is faster for development
   devtool: config.dev.devtool,
-  
+
   // these devServer options should be customized in /config/index.js
   devServer: {
     clientLogLevel: 'warning',
     historyApiFallback: true,
     hot: true,
+    compress: true,
     host: process.env.HOST || config.dev.host,
     port: process.env.PORT || config.dev.port,
     open: config.dev.autoOpenBrowser,
@@ -37,7 +38,7 @@ const devWebpackConfig = merge(baseWebpackConfig, {
   plugins: [
     new webpack.DefinePlugin({
       'process.env': require('../config/dev.env')
-    }), 
+    }),
     new webpack.HotModuleReplacementPlugin(),
     new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
     new webpack.NoEmitOnErrorsPlugin(),

template/config/index.js

@@ -14,7 +14,7 @@ module.exports = {
 
     // Various Dev Server settings
     host: 'localhost', // can be overwritten by process.env.HOST
-    port: 8080, // can be overwritten by process.env.HOST, if port is in use, a free one will be determined
+    port: 8080, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
     autoOpenBrowser: false,
     errorOverlay: true,
     notifyOnErrors: true,
@@ -47,7 +47,7 @@ module.exports = {
     // just be aware of this issue when enabling this option.
     cssSourceMap: false,
   },
-  
+
   build: {
     // Template for index.html
     index: path.resolve(__dirname, '../dist/index.html'),
@@ -64,14 +64,14 @@ module.exports = {
     productionSourceMap: true,
     // https://webpack.js.org/configuration/devtool/#production
     devtool: '#source-map',
-    
+
     // 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`