From 0dc4fa722ef3e51c3e13cd7ce446759534f42a1c Mon Sep 17 00:00:00 2001
From: Tony Anziano <toanzian@microsoft.com>
Date: Thu, 6 Dec 2018 15:23:48 -0800
Subject: [PATCH] Tab bar npe fix.

---
 packages/app/client/src/ui/shell/mdi/tabBar/tabBar.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/app/client/src/ui/shell/mdi/tabBar/tabBar.tsx b/packages/app/client/src/ui/shell/mdi/tabBar/tabBar.tsx
index 0bbcd5257..c184294f0 100644
--- a/packages/app/client/src/ui/shell/mdi/tabBar/tabBar.tsx
+++ b/packages/app/client/src/ui/shell/mdi/tabBar/tabBar.tsx
@@ -162,7 +162,7 @@ export class TabBar extends React.Component<TabBarProps, TabBarState> {
 
   private get tabs(): JSX.Element[] {
     return this.props.tabOrder.map((documentId, index) => {
-      const document = this.props.documents[documentId];
+      const document = this.props.documents[documentId] || {};
       const isActive = documentId === this.props.activeDocumentId;
 
       return (