Update Invidious Redirect.user.js

Invidious Redirect.user.js

@@ -12,7 +12,7 @@
 // ==/UserScript==
 
 /* CONFIG */
-const instances = ["https://inv.citw.lgbt", "https://yewtu.be", "https://iv.nboeck.de", "https://invidious.asir.dev", "http://valheim.by"];
+const instances = ["https://yewtu.be","https://inv.citw.lgbt", "https://iv.nboeck.de", "https://invidious.asir.dev", "http://valheim.by"];
 
 /* SCRIPT START */
 let url = new URL(window.location);
@@ -20,16 +20,51 @@ let videoID = url.searchParams.get("v");
 let time = url.searchParams.get("t");
 
 if (!videoID) {
-  let path = url.pathname.substring(1);
-  let parts = path.split('/');
-  videoID = parts[parts.length - 1];
+ let path = url.pathname.substring(1);
+ let parts = path.split('/');
+ videoID = parts[parts.length - 1];
 }
 
-let invidiousInstance = instances[Math.floor(Math.random() * instances.length)];
+let invidiousInstance = instances[0]; // Use the first instance as the default
 let redirectURL = new URL(`${invidiousInstance}/watch?v=${videoID}`);
 
 if (time) {
-  redirectURL.searchParams.set("t", time);
+ redirectURL.searchParams.set("t", time);
 }
 
-window.location = redirectURL.toString();
+// Check if the default instance is available
+fetch(invidiousInstance, { method: 'HEAD', mode: 'no-cors' })
+ .then(response => {
+   if (!response.ok) {
+     // If the default instance is not available, try the next one
+     for (let i = 1; i < instances.length; i++) {
+       invidiousInstance = instances[i];
+       redirectURL = new URL(`${invidiousInstance}/watch?v=${videoID}`);
+
+       if (time) {
+         redirectURL.searchParams.set("t", time);
+       }
+
+       window.location = redirectURL.toString();
+       break;
+     }
+   } else {
+     // If the default instance is available, use it
+     window.location = redirectURL.toString();
+   }
+ })
+ .catch(() => {
+   // If the fetch request fails, try the next instance
+   for (let i = 1; i < instances.length; i++) {
+     invidiousInstance = instances[i];
+     redirectURL = new URL(`${invidiousInstance}/watch?v=${videoID}`);
+
+     if (time) {
+       redirectURL.searchParams.set("t", time);
+     }
+
+     window.location = redirectURL.toString();
+     break;
+   }
+ });
+