mocking pop event handler (#7961)

* mocking pop event handler

* fix

* Update ComponentScreen.tsx

Author: tommy2804

lib/Mock/Stores/EventsStore.ts

@@ -2,6 +2,7 @@ import {
   ComponentDidDisappearEvent,
   ComponentWillAppearEvent,
   ModalDismissedEvent,
+  ScreenPoppedEvent,
 } from '../../src/interfaces/ComponentEvents';
 import { ComponentDidAppearEvent, NavigationButtonPressedEvent } from '../../src/index';
 import { BottomTabPressedEvent, CommandCompletedEvent } from '../../src/interfaces/Events';
@@ -14,6 +15,8 @@ export const events = {
   modalDismissed: [(_event: ModalDismissedEvent) => {}],
   bottomTabPressed: [(_event: BottomTabPressedEvent) => {}],
   commandCompleted: [(_event: CommandCompletedEvent) => {}],
+  screenPopped: [(_event: ScreenPoppedEvent) => {}],
+
   invokeComponentWillAppear: (event: ComponentWillAppearEvent) => {
     events.componentWillAppear &&
       events.componentWillAppear.forEach((listener) => {
@@ -56,4 +59,10 @@ export const events = {
         listener(event);
       });
   },
+  invokeScreenPopped: (event: ScreenPoppedEvent) => {
+    events.screenPopped &&
+      events.screenPopped.forEach((listener) => {
+        listener(event);
+      });
+  },
 };

lib/Mock/mocks/NativeCommandsSender.tsx

@@ -55,6 +55,9 @@ export class NativeCommandsSender {
         LayoutStore.getLayoutById(componentId).getStack().children
       ) as ComponentNode;
       LayoutStore.pop(componentId);
+      events.invokeScreenPopped({
+        componentId,
+      });
       resolve(poppedChild.nodeId);
       this.reportCommandCompletion(CommandName.Pop, commandId);
     });

lib/Mock/mocks/NativeEventsReceiver.ts

@@ -152,8 +152,9 @@ export class NativeEventsReceiver {
   }
 
   public registerScreenPoppedListener(
-    _callback: (event: ScreenPoppedEvent) => void
+    callback: (event: ScreenPoppedEvent) => void
   ): EmitterSubscription {
+    events.screenPopped.push(callback);
     return {
       remove: () => {},
     } as EmitterSubscription;