From 65165701b9497637b65c1bdd0ae3b575d01a960b Mon Sep 17 00:00:00 2001
From: Seung Park <seungpark@users.noreply.github.com>
Date: Fri, 6 Jan 2023 10:52:40 -0500
Subject: [PATCH] DOP-3436 front end (#748)

check for children existence for toc node
---
 src/components/Sidenav/TOCNode.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/Sidenav/TOCNode.js b/src/components/Sidenav/TOCNode.js
index 0cf566f5d..fd07f7210 100644
--- a/src/components/Sidenav/TOCNode.js
+++ b/src/components/Sidenav/TOCNode.js
@@ -54,7 +54,7 @@ const Wrapper = ({ children, hasVersions }) => {
 const TOCNode = ({ activeSection, handleClick, level = BASE_NODE_LEVEL, node }) => {
   const { title, slug, url, children, options = {} } = node;
   const target = slug || url;
-  const hasChildren = !!children.length;
+  const hasChildren = !!children?.length;
   const hasVersions = !!(options?.versions?.length > 1); // in the event there is only one version, do we show version selector?
   const isActive = isActiveTocNode(activeSection, slug, children);
   const isSelected = isSelectedTocNode(activeSection, slug);