From 823a58f98a23cf24a987aee7745ee34b5e5d4d60 Mon Sep 17 00:00:00 2001
From: Daniel Gasienica <daniel@signal.org>
Date: Tue, 24 Apr 2018 16:12:11 -0400
Subject: [PATCH] Prevent NPE

---
 ts/components/Lightbox.tsx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ts/components/Lightbox.tsx b/ts/components/Lightbox.tsx
index 7f119d79079..a8e33c5670d 100644
--- a/ts/components/Lightbox.tsx
+++ b/ts/components/Lightbox.tsx
@@ -104,7 +104,12 @@ export class Lightbox extends React.Component<Props, {}> {
   };
 
   private onClose = () => {
-    this.props.close();
+    const { close } = this.props;
+    if (!close) {
+      return;
+    }
+
+    close();
   };
 
   private onKeyUp = (event: KeyboardEvent) => {