From 88074b6b085b0b5542759cb41519de719ee61cee Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Tue, 10 Aug 2021 21:34:59 -0400
Subject: fixed error when adding to a collection that does not have a list as
 its data

---
 src/client/views/DocComponent.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/client/views/DocComponent.tsx b/src/client/views/DocComponent.tsx
index 99c695a4a..14d32ef12 100644
--- a/src/client/views/DocComponent.tsx
+++ b/src/client/views/DocComponent.tsx
@@ -219,7 +219,7 @@ export function ViewBoxAnnotatableComponent<P extends ViewBoxAnnotatableProps, T
                             inheritParentAcls(CurrentUserUtils.ActiveDashboard, doc);
                         });
                         const annoDocs = targetDataDoc[annotationKey ?? this.annotationKey] as List<Doc>;
-                        if (annoDocs) annoDocs.push(...added);
+                        if (annoDocs instanceof List) annoDocs.push(...added);
                         else targetDataDoc[annotationKey ?? this.annotationKey] = new List<Doc>(added);
                         targetDataDoc[(annotationKey ?? this.annotationKey) + "-lastModified"] = new DateField(new Date(Date.now()));
                     }
-- 
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