more build options

package.json

@@ -6,6 +6,7 @@
     "jsdom": "^15.2.1",
     "prerender-spa-plugin": "^3.4.0",
     "tempy": "^0.3.0",
+    "terser-webpack-plugin": "^2.3.0",
     "webpack": "^4.41.2",
     "webpack-cli": "^3.3.10",
     "workbox-webpack-plugin": "^4.3.1"
@@ -19,4 +20,4 @@
   "author": "notgne2",
   "license": "AGPL-3.0",
   "description": ""
-}
+}

webpack.config.js

@@ -1,4 +1,5 @@
 const path = require('path')
+const TerserPlugin = require('terser-webpack-plugin')
 const HtmlWebpackPlugin = require('html-webpack-plugin')
 const PrerenderSPAPlugin = require('prerender-spa-plugin')
 const Renderer = PrerenderSPAPlugin.PuppeteerRenderer
@@ -16,6 +17,16 @@ const magicFile = (text) => {
 
 // const magicAppend = (orig, text, sep = '\n') => magicFile(fs.readFileSync(orig) + sep + text)
 
+const jsMin = {
+  pure_funcs: ["F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9"],
+  pure_getters: true,
+  keep_fargs: false,
+  unsafe_comps: true,
+  unsafe: true,
+  compress: true,
+  mangle: true,
+}
+
 module.exports =
   {
     module: {
@@ -26,15 +37,34 @@ module.exports =
       }],
     },
     plugins: [
-      new HtmlWebpackPlugin(),
+      new TerserPlugin({
+        terserOptions: jsMin,
+      }),
+      new HtmlWebpackPlugin({
+        hash: true,
+        meta: {
+          viewport: 'width=device-width, initial-scale=1, shrink-to-fit=no'
+        }
+      }),
       new CopyPlugin([{ from: 'data', to: 'data' }, { from: 'wand.js', to: 'wand.js' }]),
       new PrerenderSPAPlugin({
         staticDir: path.join(__dirname, 'dist'),
         routes: ROUTES,
         minify: {
-          minifyCSS: true,
+          minifyCSS: {
-          minifyJS: true,
+            compatibility: 'ie9',
+            level: 2
+          },
+          minifyJS: jsMin,
           removeComments: true,
+          collapseBooleanAttributes: true,
+          collapseWhitespace: true,
+          collapseInlineTagWhitespace: true,
+          removeRedundantAttributes: true,
+          removeScriptTypeAttributes: true,
+          removeStyleLinkTypeAttributes: true,
+          sortAttributes: true,
+          sortClassName: true,
         },
         renderer: new Renderer(),
         postProcess(renderedRoute) {