Initial diagnostic version of channel blocker script

js&css/extension/init.js

@@ -50,7 +50,9 @@ extension.events.on('init', function () {
 	extension.features.comments();
 	extension.features.openNewTab();
 	extension.features.removeListParamOnNewTab();
-	// extension.features.hideSponsoredVideosOnHome?.();	
+	// extension.features.hideSponsoredVideosOnHome?.();
+	extension.features.channelBlocker?.();
+
 	bodyReady();
 });
 

js&css/extension/www.youtube.com/features/channel-blocker.js

@@ -0,0 +1,70 @@
+(function () {
+  console.log("Channel blocker (allowed channels) loaded");
+
+  const allowedChannels = ["/@pantelisstavroulakis5456"];
+
+  function getChannelHref(video) {
+    // Look in multiple possible locations for the channel link
+    const possible = [
+      'ytd-channel-name a',
+      '#channel-name a',
+      'a[href^="/@"]'
+    ];
+    for (const sel of possible) {
+      const el = video.querySelector(sel);
+      if (el) return el.getAttribute("href");
+    }
+    return null;
+  }
+
+  function filterVideos(videos) {
+    videos.forEach(video => {
+      const href = getChannelHref(video);
+      if (!href || !allowedChannels.includes(href)) {
+        video.style.display = "none"; // hide not allowed
+      } else {
+        video.style.display = ""; // show allowed
+      }
+    });
+  }
+
+  function scanFeed() {
+    // Most feed videos
+    const videos = document.querySelectorAll(
+      "ytd-rich-item-renderer, ytd-video-renderer, ytd-grid-video-renderer"
+    );
+    filterVideos(videos);
+  }
+
+  function startObserver() {
+    const root = document.querySelector("ytd-app") || document.body;
+    if (!root) {
+      console.log("Waiting for YouTube root...");
+      setTimeout(startObserver, 1000);
+      return;
+    }
+
+    console.log("Main feed detected — filtering active.");
+    scanFeed(); // initial scan
+
+    // Watch for newly added videos
+    const observer = new MutationObserver(mutations => {
+      mutations.forEach(mutation => {
+        mutation.addedNodes.forEach(node => {
+          if (
+            node.nodeType === 1 && 
+            (node.tagName === "YTD-RICH-ITEM-RENDERER" || 
+             node.tagName === "YTD-VIDEO-RENDERER" || 
+             node.tagName === "YTD-GRID-VIDEO-RENDERER")
+          ) {
+            filterVideos([node]);
+          }
+        });
+      });
+    });
+
+    observer.observe(root, { childList: true, subtree: true });
+  }
+
+  startObserver();
+})();

manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
-  "short_name": "ImprovedTube",
   "name": "'Improve YouTube!' 🎧 (for YouTube & Videos)",
+  "short_name": "ImprovedTube",
   "description": "__MSG_description_ext__",
   "version": "4",
   "default_locale": "en",
@@ -11,14 +11,9 @@
     "32": "menu/icons/32.png",
     "48": "menu/icons/48.png"
   },
-  "browser_specific_settings": {
-    "gecko": {
-      "id": "{3c6bf0cc-3ae2-42fb-9993-0d33104fdcaf}"
-    }
+  "background": {
+    "service_worker": "background.js"
   },
-	"background": 	{	
-		"service_worker": "background.js"
-	},
   "action": {
     "default_popup": "menu/index.html",
     "default_area": "navbar"
@@ -29,7 +24,17 @@
   },
   "content_scripts": [
     {
-      "all_frames": true,
+      "matches": ["https://www.youtube.com/*"],
+      "js": [
+        "js&css/extension/core.js",
+        "js&css/extension/functions.js",
+        "js&css/extension/www.youtube.com/night-mode/night-mode.js",
+        "js&css/extension/www.youtube.com/general/general.js",
+        "js&css/extension/www.youtube.com/appearance/sidebar/sidebar.js",
+        "js&css/extension/www.youtube.com/appearance/comments/comments.js",
+        "js&css/extension/init.js",
+        "js&css/extension/www.youtube.com/features/channel-blocker.js"
+      ],
       "css": [
         "js&css/extension/www.youtube.com/styles.css",
         "js&css/extension/www.youtube.com/night-mode/night-mode.css",
@@ -44,43 +49,10 @@
         "https://www.youtube.com/audiolibrary/*",
         "https://www.youtube.com/tv*"
       ],
-      "js": [
-        "js&css/extension/core.js",
-        "js&css/extension/functions.js",
-        "js&css/extension/www.youtube.com/night-mode/night-mode.js",
-        "js&css/extension/www.youtube.com/general/general.js",
-        "js&css/extension/www.youtube.com/appearance/sidebar/sidebar.js",
-        "js&css/extension/www.youtube.com/appearance/comments/comments.js",
-        "js&css/extension/init.js"
-      ],
-      "matches": ["https://www.youtube.com/*"],
       "run_at": "document_start"
     }
   ],
   "host_permissions": ["https://www.youtube.com/*"],
-  "optional_permissions": ["downloads"],
-  "permissions": ["contextMenus", "storage"],
-  "web_accessible_resources": [
-    {
-      "resources": [
-        "menu/index.html",
-        "js&css/web-accessible/core.js",
-        "js&css/web-accessible/functions.js",
-        "js&css/web-accessible/www.youtube.com/appearance.js",
-        "js&css/web-accessible/www.youtube.com/player.js",
-        "js&css/web-accessible/www.youtube.com/themes.js",
-        "js&css/web-accessible/www.youtube.com/playlist.js",
-        "js&css/web-accessible/www.youtube.com/playlist-complete-playlist.js",
-        "js&css/web-accessible/www.youtube.com/playlist-cleaner.js",
-        "js&css/web-accessible/www.youtube.com/channel.js",
-        "js&css/web-accessible/www.youtube.com/shortcuts.js",
-        "js&css/web-accessible/www.youtube.com/blocklist.js",
-        "js&css/web-accessible/www.youtube.com/settings.js",
-        "js&css/web-accessible/www.youtube.com/last-watched-overlay.js",
-        "js&css/web-accessible/init.js",
-        "menu/icons/48.png"
-      ],
-      "matches": ["https://www.youtube.com/*"]
-    }
-  ]
+  "permissions": ["storage", "contextMenus"],
+  "optional_permissions": ["downloads"]
 }