add check to see if the state actually needs to be updatedHEADmaster

1 files changed, 8 insertions, 0 deletions

diff --git a/youtube-auto-timestamper.user.js b/youtube-auto-timestamper.user.js
index ec384cb..b2efcef 100644
--- a/youtube-auto-timestamper.user.js
+++ b/youtube-auto-timestamper.user.js
@@ -17,6 +17,8 @@ const timeDelay = 0;
 
 const timeRegex = /(([&?])t=[0-9]+)/
 
+let lastTime = undefined;
+
 const tick = () => {
   const ytplayer = document.getElementById("movie_player");
   if (!ytplayer) {
@@ -40,6 +42,12 @@ const tick = () => {
   } else {
     currentUrl = currentUrl + "&t=" + time
   }
+
+  if (time == lastTime) {
+    return
+  }
+
+  lastTime = time
   history.replaceState(currentUrl, "", currentUrl)
 }