fixed element names

src/index.html

@@ -16,6 +16,6 @@
 				color: #ffffff;
 			}
 		</style>
-		<app-shadow></app-shadow>
+		<div id="app"></div>
 	</body>
 </html>

src/index.ts

@@ -1,3 +1,7 @@
 import 'layouts';
 import 'components';
 import 'pages';
+
+const app = document.getElementById('app');
+const _appShadow = document.createElement('app-shadow');
+app.appendChild(_appShadow);

webpack.config.js

@@ -55,8 +55,14 @@ module.exports = (env, args) => {
                     },
                 }
             },    
-            minimize: true,
-            minimizer: [new TerserPlugin(), new UglifyJsPlugin()],
+            minimizer: [
+                new UglifyJsPlugin({
+                    uglifyOptions: {
+                        keep_classnames: true,
+                        keep_fnames: true,
+                    }
+                })
+            ]
         },
         output: {
             path: path.join(__dirname, 'public'),