fix: Fix checking for patchTarget in initAdoptedStyleSheetObserver (

#1327)
rrweb-io · Oct 13, 2023 · 57a940a · 57a940a
1 parent 7c0dc9d
commit 57a940a
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/.changeset/calm-oranges-sin.md b/.changeset/calm-oranges-sin.md
@@ -0,0 +1,5 @@
+---
+'rrweb': patch
+---
+
+fix: Fix checking for `patchTarget` in `initAdoptedStyleSheetObserver`
diff --git a/packages/rrweb/src/record/observer.ts b/packages/rrweb/src/record/observer.ts
@@ -900,10 +900,12 @@ export function initAdoptedStyleSheetObserver(
     host.nodeName === '#document'
       ? (host as Document).defaultView?.Document
       : host.ownerDocument?.defaultView?.ShadowRoot;
-  const originalPropertyDescriptor = Object.getOwnPropertyDescriptor(
-    patchTarget?.prototype,
-    'adoptedStyleSheets',
-  );
+  const originalPropertyDescriptor = patchTarget?.prototype
+    ? Object.getOwnPropertyDescriptor(
+        patchTarget?.prototype,
+        'adoptedStyleSheets',
+      )
+    : undefined;
   if (
     hostId === null ||
     hostId === -1 ||