fixed webpack prod, fixed language prefix negociation in vue-router

build/webpack.config.prod.js

@@ -1,21 +1,37 @@
 'use strict'
 
+const webpack = require('webpack')
 const merge = require('webpack-merge')
 const baseConfig = require('./webpack.config.base')
 const MiniCssExtractPlugin  = require('mini-css-extract-plugin')
+const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
 
 module.exports = merge(baseConfig, {
   mode: 'production',
   optimization: {
-    splitChunks: {
-      cacheGroups: {
-        commons: {
-          test: /[\\/]node_modules[\\/]/,
-          name: "vendor",
-          chunks: "all",
-        },
-      },
-    },
+    minimizer: [
+      new UglifyJSPlugin({
+        uglifyOptions: {
+          // Eliminate comments
+          comments: false,
+          compress: {
+            // remove warnings
+            warnings: false,
+            // Drop console statements
+            drop_console: true,
+          }
+        }
+      })
+    ]
+  //   splitChunks: {
+  //     cacheGroups: {
+  //       commons: {
+  //         test: /[\\/]node_modules[\\/]/,
+  //         name: "vendor",
+  //         chunks: "all",
+  //       },
+  //     },
+  //   },
   },
   module: {
     rules: [
@@ -26,7 +42,7 @@ module.exports = merge(baseConfig, {
           'css-loader'
         ]
       }, {
-        test: /\.styl(us)?$/,
+        test: /\.scss?$/,
         use: [
           MiniCssExtractPlugin.loader,
           'css-loader',