scope handling fix (wip)

Author: rbri

src/main/java/org/htmlunit/javascript/HtmlUnitScriptable.java

@@ -38,6 +38,7 @@
 import org.htmlunit.html.DomNode;
 import org.htmlunit.html.HtmlImage;
 import org.htmlunit.javascript.host.Window;
+import org.htmlunit.javascript.host.WindowOrWorkerGlobalScope;
 import org.htmlunit.javascript.host.html.HTMLElement;
 import org.htmlunit.javascript.host.html.HTMLUnknownElement;
 
@@ -339,6 +340,19 @@ protected static Window getWindow(final Scriptable s) throws RuntimeException {
         throw new RuntimeException("Unable to find window associated with " + s);
     }
 
+    protected static WindowOrWorkerGlobalScope getWindowOrWorkerGlobalScope(
+                        final Scriptable s) throws RuntimeException {
+        if (s instanceof WindowOrWorkerGlobalScope wow) {
+            return wow;
+        }
+
+        final TopLevel topLevel = ScriptableObject.getTopLevelScope(s);
+        if (topLevel.getGlobalThis() instanceof WindowOrWorkerGlobalScope wow) {
+            return wow;
+        }
+        throw new RuntimeException("Unable to find WindowOrWorkerGlobalScope associated with " + s);
+    }
+
     /**
      * <span style="color:red">INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.</span><br>
      *

src/main/java/org/htmlunit/javascript/JavaScriptEngine.java

@@ -75,11 +75,13 @@
 import org.htmlunit.javascript.host.ConsoleCustom;
 import org.htmlunit.javascript.host.URLSearchParams;
 import org.htmlunit.javascript.host.Window;
+import org.htmlunit.javascript.host.WindowOrWorkerGlobalScope;
 import org.htmlunit.javascript.host.dom.DOMException;
 import org.htmlunit.javascript.host.html.HTMLElement;
 import org.htmlunit.javascript.host.html.HTMLImageElement;
 import org.htmlunit.javascript.host.html.HTMLOptionElement;
 import org.htmlunit.javascript.host.intl.Intl;
+import org.htmlunit.javascript.host.worker.WorkerGlobalScope;
 import org.htmlunit.javascript.host.xml.FormData;
 import org.htmlunit.javascript.polyfill.Polyfill;
 import org.htmlunit.util.StringUtils;
@@ -1286,7 +1288,14 @@ public static EcmaError constructError(final String error, final String message)
     public static RhinoException asJavaScriptException(final HtmlUnitScriptable scriptable, final String message, final int type) {
         final DOMException domException = new DOMException(message, type);
         domException.setParentScope(scriptable.getParentScope());
-        domException.setPrototype(scriptable.getWindow().getPrototype(DOMException.class));
+
+        final WindowOrWorkerGlobalScope wow = HtmlUnitScriptable.getWindowOrWorkerGlobalScope(scriptable);
+        if (wow instanceof Window window) {
+            domException.setPrototype(window.getPrototype(DOMException.class));
+        }
+        else if (wow instanceof WorkerGlobalScope w) {
+            domException.setPrototype(w.getPrototype(DOMException.class));
+        }
 
         final EcmaError helper = ScriptRuntime.syntaxError("helper");
         String fileName = helper.sourceName();