From ae2ac8675af306d658757df5b46a85d6447fef68 Mon Sep 17 00:00:00 2001
From: Brent Erickson <berickson1@users.noreply.github.com>
Date: Fri, 30 Nov 2018 18:54:43 -0800
Subject: [PATCH] Set VLV Cell tabIndex to -1 if the item is falsy or
 non-navigable (#947)

---
 extensions/virtuallistview/src/VirtualListView.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/virtuallistview/src/VirtualListView.tsx b/extensions/virtuallistview/src/VirtualListView.tsx
index cd582328..9181508e 100644
--- a/extensions/virtuallistview/src/VirtualListView.tsx
+++ b/extensions/virtuallistview/src/VirtualListView.tsx
@@ -1115,7 +1115,7 @@ export class VirtualListView<ItemInfo extends VirtualListViewItemInfo>
         }
 
         _.each(cellList, cell => {
-            let tabIndexValue: number | undefined;
+            let tabIndexValue = -1;
             let isFocused = false;
             if (cell.item) {
                 if (cell.item && cell.item.isNavigable) {