From 9d5667eb0045f7a0242631dfbd52ba2fdc431290 Mon Sep 17 00:00:00 2001
From: Alexey Kasyanchuk <degitx@gmail.com>
Date: Fri, 3 Aug 2018 15:55:21 +0300
Subject: [PATCH] fix(closing): window can be closing on event

---
 src/background/background.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/background/background.js b/src/background/background.js
index fd0d124..a6c567b 100644
--- a/src/background/background.js
+++ b/src/background/background.js
@@ -266,7 +266,8 @@ app.on("ready", () => {
 					{
 						const id = arg[arg.length - 1].callback
 						arg[arg.length - 1] = (responce) => {
-							mainWindow.webContents.send('callback', id, responce)
+							if(mainWindow)
+								mainWindow.webContents.send('callback', id, responce)
 						}
 					}
 					callback.apply(null, arg)