make args passed to youtube-dl actually optional

przemyslawpluta · Dec 23, 2014 · 413d0ab · 413d0ab
1 parent 8d548eb
commit 413d0ab
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/youtube-dl.js b/lib/youtube-dl.js
@@ -92,7 +92,10 @@ ytdl.exec = function (url, args, options, callback) {
  * @param {Function(!Error, String)} callback
  */
 function call(video, args1, args2, options, callback) {
-  var args = args1.concat(util.parseOpts(args2));
+  var args = args1;
+  if (args2) {
+    args = args.concat(util.parseOpts(args2));
+  }
   options = options || {};
 
   if (isYouTubeRegex.test(video)) {