refs #7124 perf: use find instead findIndex

src/boot/qformMixin.js

@@ -1,11 +1,6 @@
-import { QForm } from 'quasar';
 import { getCurrentInstance } from 'vue';
 
 export default {
-    inject: { QForm },
-    component: { QForm },
-    components: { QForm },
-    extends: { QForm },
     mounted: function () {
         const vm = getCurrentInstance();
         if (vm.type.name === 'QForm')
@@ -14,19 +9,11 @@ export default {
 
                 // AUTOFOCUS
                 const elementsArray = Array.from(this.$el.elements);
-                const index = elementsArray.findIndex(element => element.classList.contains('q-field__native'));
+                const firstInputElement = elementsArray.find(element => element.classList.contains('q-field__native'));
 
-                if (index !== -1) {
+                if (firstInputElement) {
-                    const firstInputElement = elementsArray[index];
                     firstInputElement.focus();
                 }
-
-                // KEYUP Event
-                document.addEventListener('keyup', function (evt) {
-                    if (evt.keyCode === 13) {
-                        that.onSubmit();
-                    }
-                });
             }
     },
 };