From e3d855f466cd6cff9089ef1fbbb3cbb0e4dcadda Mon Sep 17 00:00:00 2001
From: awaisisane <awaisisane@gmail.com>
Date: Tue, 14 Nov 2023 00:54:24 +0530
Subject: [PATCH] fix return empty array instead of undefined when no
 annotation object

---
 .../annotation/FrameOfReferenceSpecificAnnotationManager.ts   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/tools/src/stateManagement/annotation/FrameOfReferenceSpecificAnnotationManager.ts b/packages/tools/src/stateManagement/annotation/FrameOfReferenceSpecificAnnotationManager.ts
index 4dd8d99750..27ebda338e 100644
--- a/packages/tools/src/stateManagement/annotation/FrameOfReferenceSpecificAnnotationManager.ts
+++ b/packages/tools/src/stateManagement/annotation/FrameOfReferenceSpecificAnnotationManager.ts
@@ -139,7 +139,9 @@ class FrameOfReferenceSpecificAnnotationManager implements IAnnotationManager {
     }
 
     if (toolName) {
-      return annotations[groupKey][toolName];
+      return annotations[groupKey][toolName]
+        ? annotations[groupKey][toolName]
+        : [];
     }
 
     return annotations[groupKey];