From 16fab20d08bf1cc5f83de9e3bdf22d163fc7f543 Mon Sep 17 00:00:00 2001
From: Peter Snyder <snyderp@gmail.com>
Date: Fri, 13 Sep 2024 18:24:21 -0500
Subject: [PATCH] scriptlet to rewite src attributes of youtube-nocookie
 iframes, fixes brave/adblock-resources#212

---
 resources/fix-youtube-nocookie-embeds.js | 34 ++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 resources/fix-youtube-nocookie-embeds.js

diff --git a/resources/fix-youtube-nocookie-embeds.js b/resources/fix-youtube-nocookie-embeds.js
new file mode 100644
index 0000000..a6243b1
--- /dev/null
+++ b/resources/fix-youtube-nocookie-embeds.js
@@ -0,0 +1,34 @@
+(() => {
+  const ytNoCookiePattern = /(https|http)?:\/\/(www\.)?youtube-nocookie/
+  const fixYouTubeSrc = (elm) => {
+    if (!elm.src || !elm.src.match(ytNoCookiePattern)) {
+      return
+    }
+    elm.src.replace('youtube-nocookie.com', 'youtube.com')
+  }
+
+  const mutationHandler = (mutations) => {
+    for (const aMutation of mutations) {
+      const { target, attributeName } = aMutation
+      if (attributeName !== 'src' || target.tagName !== 'iframe') {
+        continue
+      }
+      fixYouTubeSrc(target)
+    }
+  }
+
+  const start = () => {
+    document
+      .querySelectorAll('iframe[src*="youtube-nocookie.com"]')
+      .forEach(fixYouTubeSrc)
+    const observer = new MutationObserver(mutationHandler)
+    observer.observe(document, {
+      attributes: true,
+      attributeFilter: ['src'],
+      childList: true,
+      subtree: true
+    })
+  }
+
+  self.addEventListener('DOMContentLoaded', start, { once: true })
+})()