Refactor #2540

src/components/overlaypanel/OverlayPanel.vue

@@ -22,6 +22,7 @@ import Portal from 'primevue/portal';
 export default {
     name: 'OverlayPanel',
     inheritAttrs: false,
+    emits: ['show', 'hide'],
     props: {
 		dismissable: {
 			type: Boolean,
@@ -52,20 +53,22 @@ export default {
             default: null
         }
     },
-    emits: ['show', 'hide'],
     data() {
         return {
             visible: false
         }
     },
     watch: {
-        dismissable(newValue) {
+        dismissable: {
+            immediate: true,
+            handler(newValue) {
                 if (newValue) {
                     this.bindOutsideClickListener();
                 } else {
                     this.unbindOutsideClickListener();
                 }
             }
+        }
     },
     selfClick: false,
     target: null,