From 8d56d6ffcb0f02e1edaf4193e182e95bfe7d22c5 Mon Sep 17 00:00:00 2001
From: siikamiika <siikamiika@users.noreply.github.com>
Date: Sun, 2 Feb 2020 14:58:31 +0200
Subject: [PATCH] handle closing already closed popup

---
 ext/bg/js/backend.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 06010a95..a9f2385b 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -628,7 +628,8 @@ class Backend {
                 return;
             case 'popup':
                 if (this.popupWindow !== null) {
-                    chrome.windows.remove(this.popupWindow.id);
+                    const callback = () => this.checkLastError(chrome.runtime.lastError);
+                    chrome.windows.remove(this.popupWindow.id, callback);
                 }
                 this.popupWindow = await new Promise((resolve) => chrome.windows.create(
                     {url, width: popupWidth, height: popupHeight, type: 'popup'},