From 3662fc6634cacf201af769938ae76ee5144c3316 Mon Sep 17 00:00:00 2001
From: Ali Yousuf <aly.yousuf7@gmail.com>
Date: Thu, 2 Nov 2023 22:58:51 -0400
Subject: [PATCH] stop sponsorblock on playback preview videos

---
 src/sponsorblock.js | 30 ++++++++++++++++++++++--------
 1 file changed, 22 insertions(+), 8 deletions(-)

diff --git a/src/sponsorblock.js b/src/sponsorblock.js
index 9a1ea348..3ab933d9 100644
--- a/src/sponsorblock.js
+++ b/src/sponsorblock.js
@@ -376,10 +376,31 @@ class SponsorBlockHandler {
 // shows my lack of understanding of javascript. (or both)
 window.sponsorblock = null;
 
+function uninitializeSponsorblock() {
+  if (!window.sponsorblock) {
+    return;
+  }
+  try {
+    window.sponsorblock.destroy();
+  } catch (err) {
+    console.warn('window.sponsorblock.destroy() failed!', err);
+  }
+  window.sponsorblock = null;
+}
+
 window.addEventListener(
   'hashchange',
   () => {
     const newURL = new URL(location.hash.substring(1), location.href);
+    // uninitialize sponsorblock when not on `/watch` path, to prevent
+    // it from attaching to playback preview video element loaded on
+    // home page
+    if (newURL.pathname !== '/watch' && window.sponsorblock) {
+      console.info('uninitializing sponsorblock on a non-video page');
+      uninitializeSponsorblock();
+      return;
+    }
+
     const videoID = newURL.searchParams.get('v');
     const needsReload =
       videoID &&
@@ -394,14 +415,7 @@ window.addEventListener(
     );
 
     if (needsReload) {
-      if (window.sponsorblock) {
-        try {
-          window.sponsorblock.destroy();
-        } catch (err) {
-          console.warn('window.sponsorblock.destroy() failed!', err);
-        }
-        window.sponsorblock = null;
-      }
+      uninitializeSponsorblock();
 
       if (configRead('enableSponsorBlock')) {
         window.sponsorblock = new SponsorBlockHandler(videoID);