scope handling fix (wip)

rbri · rbri · commit 03c052c23b5c · 2026-04-16T17:40:33.000+02:00
diff --git a/src/main/java/org/htmlunit/javascript/host/Window.java b/src/main/java/org/htmlunit/javascript/host/Window.java
@@ -1985,7 +1985,7 @@ public static void postMessage(final Context context, final Scriptable scope,
             }
         }
 
-        final Window sender = (Window) scope;
+        final Window sender = (Window) ScriptableObject.getTopLevelScope(scope).getGlobalThis();
         final Window receiver = (Window) thisObj;
         final URL receiverURL = receiver.getWebWindow().getEnclosedPage().getUrl();
 

Original file line number	Diff line number	Diff line change
`@@ -1985,7 +1985,7 @@ public static void postMessage(final Context context, final Scriptable scope,`
`1985`	`1985`	`}`
`1986`	`1986`	`}`
`1987`	`1987`
`1988`		`- final Window sender = (Window) scope;`
	`1988`	`+ final Window sender = (Window) ScriptableObject.getTopLevelScope(scope).getGlobalThis();`
`1989`	`1989`	`final Window receiver = (Window) thisObj;`
`1990`	`1990`	`final URL receiverURL = receiver.getWebWindow().getEnclosedPage().getUrl();`
`1991`	`1991`