src/App.vue

@@ -7,16 +7,11 @@ import { useQuasar } from 'quasar';
 const quasar = useQuasar();
 
 quasar.iconMapFn = (iconName) => {
-    // iconName is the content of QIcon "name" prop
-
-    // your custom approach, the following
-    // is just an example:
-    if (iconName.startsWith('vn:') === true) {
-        // we strip the "app:" part
+    if (iconName.startsWith('vn:')) {
         const name = iconName.substring(3);
 
         return {
-            cls: 'icon-' + name,
+            cls: `icon-${name}`,
         };
     }
 };