Merge branch 'master' into meg-fix-mutation-observer-leak

packages/rrweb/src/record/index.ts

@@ -562,7 +562,7 @@
             plugins
               ?.filter((p) => p.observer)
               ?.map((p) => ({
                 observer: p.observer!,
                 options: p.options,
                 callback: (payload: object) =>
                   wrappedEmit({
@@ -580,7 +580,7 @@
 
     iframeManager.addLoadListener((iframeEl) => {
       try {
         iframeHandlersMap.set(iframeEl, observe(iframeEl.contentDocument!));
       } catch (error) {
         // TODO: handle internal error
         console.warn(error);
@@ -631,8 +631,26 @@
       );
     }
     return () => {
-      handlers.forEach((h) => h());
       iframeHandlersMap.forEach((h) => h());
+      handlers.forEach((handler) => {
+        try {
+          handler();
+        } catch (error) {
+          const msg = String(error).toLowerCase();
+          /**
+           * https://github.com/rrweb-io/rrweb/pull/1695
+           * This error can occur in a known scenario:
+           * If an iframe is initially same-origin and observed, but later its 
+           location is changed in an opaque way to a cross-origin URL (perhaps within the iframe via its `document.location` or a redirect) 
+           * attempting to execute the handler in the stop record function will 
+           throw a "cannot access cross-origin frame" error.
+           * This error is expected and can be safely ignored.
+           */
+          if (!msg.includes('cross-origin')) {
+            console.warn(error);
+          }
+        }
+      });
       processedNodeManager.destroy();
       recording = false;
       unregisterErrorHandler();