add exitUrl script

front/src/Api/Events/ExitUrlEvent.ts

@@ -0,0 +1,11 @@
+import * as tg from "generic-type-guard";
+
+export const isExitUrlEvent =
+    new tg.IsInterface().withProperties({
+        url: tg.isString,
+    }).get();
+
+/**
+ * A message sent from the iFrame to the game to trigger Exit Url
+ */
+export type ExitUrlEvent = tg.GuardedType<typeof isExitUrlEvent>;

front/src/Api/IframeListener.ts

@@ -12,6 +12,7 @@ import {ClosePopupEvent, isClosePopupEvent} from "./Events/ClosePopupEvent";
 import {scriptUtils} from "./ScriptUtils";
 import {GoToPageEvent, isGoToPageEvent} from "./Events/GoToPageEvent";
 import {isOpenCoWebsite, OpenCoWebSiteEvent} from "./Events/OpenCoWebSiteEvent";
+import { isExitUrlEvent } from './Events/ExitUrlEvent';
 
 
 /**
@@ -55,6 +56,9 @@ class IframeListener {
     private readonly _unregisterIFrameStream: Subject<void> = new Subject();
     public readonly unregisterIFrameStream = this._unregisterIFrameStream.asObservable();
 
+    private readonly _exitUrlStream: Subject<string> = new Subject();
+    public readonly exitUrlStream = this._exitUrlStream.asObservable();
+
     private readonly iframes = new Set<HTMLIFrameElement>();
     private readonly scripts = new Map<string, HTMLIFrameElement>();
 
@@ -109,6 +113,9 @@ class IframeListener {
                 }
                 else if (payload.type === 'removeBubble'){
                     this._removeBubbleStream.next();
+                } 
+                else if (payload.type === 'exitUrl' && isExitUrlEvent(payload.data)){
+                    this._exitUrlStream.next(payload.data.url);
                 }
             }