html: update webpack

html/webpack.prod.js

@@ -4,17 +4,23 @@ const config = require('./webpack.config.js');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const HtmlWebpackInlineSourcePlugin = require('html-webpack-inline-source-plugin');
 const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");
-const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
+const TerserPlugin = require('terser-webpack-plugin');
 
 module.exports = merge(config, {
     mode: 'production',
     optimization: {
         minimizer: [
-            new UglifyJsPlugin({
-                cache: true,
-                parallel: true,
+            new TerserPlugin({
+                sourceMap: true
+            }),
+            new OptimizeCSSAssetsPlugin({
+                cssProcessorOptions: {
+                    map: {
+                        inline: false,
+                        annotation: true
+                    }
+                }
             }),
-            new OptimizeCSSAssetsPlugin({}),
         ]
     },
     plugins: [