From 075b626e1eab5d2852d5157c4105e3110e4fe7e4 Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Thu, 10 Sep 2020 10:16:59 -0400
Subject: fixed shift-dragging of tabs

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

(limited to 'src/client/views/collections/CollectionDockingView.tsx')

diff --git a/src/client/views/collections/CollectionDockingView.tsx b/src/client/views/collections/CollectionDockingView.tsx
index c891d2035..bed7e9735 100644
--- a/src/client/views/collections/CollectionDockingView.tsx
+++ b/src/client/views/collections/CollectionDockingView.tsx
@@ -353,7 +353,7 @@ export class CollectionDockingView extends CollectionSubView(doc => doc) {
 
     tabDestroyed = (tab: any) => {
         this.tabMap.delete(tab);
-        Object.values(tab._disposers).forEach((disposer: any) => disposer?.());
+        tab._disposers && Object.values(tab._disposers).forEach((disposer: any) => disposer?.());
         tab.reactComponents?.forEach((ele: any) => ReactDOM.unmountComponentAtNode(ele));
     }
     tabCreated = (tab: any) => {
-- 
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