From 7f229d5c239a8743212a20577d473fa14a8e1691 Mon Sep 17 00:00:00 2001
From: Sai Shanmukha Narumanchi <nss10@outlook.com>
Date: Wed, 19 Mar 2025 10:52:56 -0500
Subject: [PATCH] fix(DicomWebDataSource) : Fix a missing null check in
 `addRetrieveBulkDataNaturalized` (#4866)

---
 extensions/default/src/DicomWebDataSource/index.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/extensions/default/src/DicomWebDataSource/index.ts b/extensions/default/src/DicomWebDataSource/index.ts
index d9ee04320..77df834fa 100644
--- a/extensions/default/src/DicomWebDataSource/index.ts
+++ b/extensions/default/src/DicomWebDataSource/index.ts
@@ -431,6 +431,9 @@ function createDicomWebApi(dicomWebConfig: DicomWebConfig, servicesManager) {
        * This is done recursively, for sub-sequences.
        */
       const addRetrieveBulkDataNaturalized = (naturalized, instance = naturalized) => {
+        if (!naturalized) {
+          return naturalized;
+        }
         for (const key of Object.keys(naturalized)) {
           const value = naturalized[key];