From 84b33d8c47731ce0ceec7bcba33fa1f6912c78d9 Mon Sep 17 00:00:00 2001
From: dkozlovskyi <kozlovskidmytro@gmail.com>
Date: Mon, 9 May 2022 12:43:50 +0300
Subject: [PATCH] Fix for issue #890

---
 packages/rrweb/src/record/mutation.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/rrweb/src/record/mutation.ts b/packages/rrweb/src/record/mutation.ts
index f2e5ed69ba..aaa8900550 100644
--- a/packages/rrweb/src/record/mutation.ts
+++ b/packages/rrweb/src/record/mutation.ts
@@ -270,7 +270,7 @@ export default class MutationBuffer {
       // ensure shadowHost is a Node, or doc.contains will throw an error
       const notInDoc =
         !this.doc.contains(n) &&
-        (rootShadowHost === null || !this.doc.contains(rootShadowHost));
+        (!rootShadowHost || !this.doc.contains(rootShadowHost));
       if (!n.parentNode || notInDoc) {
         return;
       }