bento amp-iframe: guard effect from running without a win (#36241)

ampproject · Oct 4, 2021 · 5d27a42 · 5d27a42
1 parent f23e77d
commit 5d27a42
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/extensions/amp-iframe/1.0/component.js b/extensions/amp-iframe/1.0/component.js
@@ -72,7 +72,9 @@ export function BentoIframe({
 
   useEffect(() => {
     const iframe = iframeRef.current;
-    if (!iframe) {
+    // TODO(36239): Ensure that effects are properly isolated between test runs.
+    // Guarding for iframe truthiness should be enough.
+    if (!iframe?.ownerDocument.defaultView) {
       return;
     }
     const win = toWin(iframe.ownerDocument.defaultView);