Added ttDownloader

ttDownloader.ts

@@ -0,0 +1,32 @@
+import uu from 'url-unshort';
+
+export class VidDownload {
+    public async UnshortenUrl(string) { 
+        let shorturl = new URL(string);
+        let longurl;
+
+        try {
+            const url = await uu.expand(shorturl);
+            longurl = url;
+        } catch (err) {
+            console.log("URL Unshortening failed");
+            return;
+        }
+
+        return longurl;
+    }
+
+    public CreateDownloadLink(string) { 
+        
+    }
+
+    public isValidUrl(string) {
+        let url;
+        try {
+            url = new URL(string);
+        } catch (_) {
+            return false;
+        }
+        return url.protocol === "https:";
+    }
+}