From 5e048338a9e82bdf3ae5981e36516c8928e71b24 Mon Sep 17 00:00:00 2001
From: Paul D'Ambra <paul.dambra@gmail.com>
Date: Mon, 9 Jun 2025 20:26:41 +0100
Subject: [PATCH] fix: do not throw on empty cdata

---
 packages/rrweb-snapshot/src/rebuild.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/rrweb-snapshot/src/rebuild.ts b/packages/rrweb-snapshot/src/rebuild.ts
index 692da2d281..0b8f74c127 100644
--- a/packages/rrweb-snapshot/src/rebuild.ts
+++ b/packages/rrweb-snapshot/src/rebuild.ts
@@ -432,6 +432,9 @@ function buildNode(
       }
       return doc.createTextNode(n.textContent);
     case NodeType.CDATA:
+      if (n.textContent.trim() === '') {
+        return null;
+      }
       return doc.createCDATASection(n.textContent);
     case NodeType.Comment:
       return doc.createComment(n.textContent);