From c602848ad72deed30d77c3f190ea14a984d8434b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BE=9D=E7=91=AA=E8=B2=93?= <imacat@mail.imacat.idv.tw>
Date: Sat, 7 Mar 2026 08:44:42 +0800
Subject: [PATCH] Add null check before tip.hide() on mouseout

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/module/cytoscapeMap.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/module/cytoscapeMap.js b/src/module/cytoscapeMap.js
index e8af4e0..4be85b9 100644
--- a/src/module/cytoscapeMap.js
+++ b/src/module/cytoscapeMap.js
@@ -281,7 +281,7 @@ export default function cytoscapeMap(mapData, dataLayerType, dataLayerOption, cu
     if (node.data("label").length > 10) tip.show();
   });
   cy.on('mouseout', 'node', function (event) {
-    tip.hide();
+    tip?.hide();
   });
 
   // here we remember and recall positions