From 43f4ee278516ff0aabc607c810bd352dddaa1f7e Mon Sep 17 00:00:00 2001
From: SondreB <sondre@outlook.com>
Date: Mon, 25 Jul 2022 13:43:25 +0200
Subject: [PATCH] Handle dismissal of extension prompt

- When user dismissed the window without choosing any option, it will now gracefully handle it.
- This has only been tested on Chromium.
- Closes #6
---
 extension/background.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/extension/background.js b/extension/background.js
index a4d4d9f..58f68d7 100644
--- a/extension/background.js
+++ b/extension/background.js
@@ -30,6 +30,12 @@ browser.runtime.onMessageExternal.addListener(
   }
 )
 
+browser.windows.onRemoved.addListener((windowId) => {
+  if (openPrompt) {
+    handlePromptMessage({ condition: 'no' }, null);
+  }
+})
+
 async function handleContentScriptMessage({type, params, host}) {
   let level = await readPermissionLevel(host)
 
@@ -108,7 +114,10 @@ function handlePromptMessage({id, condition, host, level}, sender) {
 
   openPrompt = null
   releasePromptMutex()
-  browser.windows.remove(sender.tab.windowId)
+
+  if (sender) {
+    browser.windows.remove(sender.tab.windowId)
+  }
 }
 
 async function promptPermission(host, level, params) {