From 4543f1c32a0d959c913ecde42b456ec6371dede9 Mon Sep 17 00:00:00 2001
From: Labhansh Agrawal <labhansh.agrawal@gmail.com>
Date: Tue, 15 Sep 2020 20:24:35 +0530
Subject: [PATCH] fix ts errors

---
 app/extend-electron.d.ts | 2 +-
 app/ui/window.ts         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/extend-electron.d.ts b/app/extend-electron.d.ts
index 081da5e6..6bbb135f 100644
--- a/app/extend-electron.d.ts
+++ b/app/extend-electron.d.ts
@@ -6,7 +6,7 @@ declare module 'electron' {
     plugins: typeof import('./plugins');
     getWindows: () => Set<BrowserWindow>;
     getLastFocusedWindow: () => BrowserWindow | null;
-    windowCallback: (win: BrowserWindow) => void;
+    windowCallback?: (win: BrowserWindow) => void;
     createWindow: (fn?: (win: BrowserWindow) => void, options?: Record<string, any>) => BrowserWindow;
     setVersion: (version: string) => void;
   }
diff --git a/app/ui/window.ts b/app/ui/window.ts
index 69006803..b8f54107 100644
--- a/app/ui/window.ts
+++ b/app/ui/window.ts
@@ -105,7 +105,7 @@ export function newWindow(
     // and createWindow definition. It's executed in place of
     // the callback passed as parameter, and deleted right after.
     (app.windowCallback || fn)(window);
-    delete app.windowCallback;
+    app.windowCallback = undefined;
     fetchNotifications(window);
     // auto updates
     if (!isDev) {