fix: add fallback error if window.top returns undefined (#586)

BuilderIO · Apr 27, 2024 · 1afc6e2 · 1afc6e2
1 parent 50afa99
commit 1afc6e2
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/lib/sandbox/main-serialization.ts b/src/lib/sandbox/main-serialization.ts
@@ -127,9 +127,10 @@ const serializeCssRuleForWorker = (cssRule: any) => {
   }
   return obj;
 };
-
+let ErrorObject: any = null;
 const serializedValueIsError = (value: any) => {
-  return value instanceof (window.top as any).Error;
+  ErrorObject = (window.top as any)?.Error || ErrorObject;
+  return value instanceof ErrorObject;
 };
 
 export const deserializeFromWorker = (