From 7009ea576cb0ba55bd1494a0b33967bba86e850d Mon Sep 17 00:00:00 2001
From: Ewy~ <ewy0@protonmail.com>
Date: Tue, 23 Dec 2025 15:25:48 +0100
Subject: add user.js to filename

---
 youtube-auto-timestamper.user.js | 47 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 youtube-auto-timestamper.user.js

(limited to 'youtube-auto-timestamper.user.js')

diff --git a/youtube-auto-timestamper.user.js b/youtube-auto-timestamper.user.js
new file mode 100644
index 0000000..105cb08
--- /dev/null
+++ b/youtube-auto-timestamper.user.js
@@ -0,0 +1,47 @@
+// ==UserScript==
+// @name        YouTube auto-timestamper
+// @namespace   Violentmonkey Scripts
+// @match       *://www.youtube.com/*
+// @grant       none
+// @version     1.0
+// @author      -
+// @description 12/17/2025, 5:12:31 PM
+// ==/UserScript==
+
+// interval in seconds
+const interval = 1000;
+const startDelay = 10000;
+const timeRegex = /(([&?])t=[0-9]+)/
+const timeDelay = 0;
+
+const tick = () => {
+  const ytplayer = document.getElementById("movie_player");
+  if (!ytplayer) {
+    return
+  }
+
+  let time = ytplayer.getCurrentTime();
+  time = Math.floor(time)
+
+  time -= timeDelay
+
+  if (time <= 0) {
+    return
+  }
+
+  let currentUrl = window.location.href
+
+  if (currentUrl.includes("t=")) {
+    const match = currentUrl.match(timeRegex, "t=")
+    currentUrl = currentUrl.replace(timeRegex, match[2] + "t=" + time)
+  } else {
+    currentUrl = currentUrl + "&t=" + time
+  }
+  history.replaceState(currentUrl, "", currentUrl)
+}
+
+const script =
+setTimeout(() => {
+  setInterval(tick, interval)
+  console.debug("autotimestamper initialized")
+}, startDelay)
-- 
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