Fix crash when search results include channels.

Author: goto-bus-stop

src/index.js

@@ -171,9 +171,12 @@ export default function youTubeSource(uw, opts = {}) {
       pageToken: page
     });
 
+    const isVideo = item => item.id && item.id.videoId;
+    const isBroadcast = item => item.snippet && item.snippet.liveBroadcastContent !== 'none';
+
     return get(
       result.items
-        .filter(item => !item.snippet || item.snippet.liveBroadcastContent === 'none')
+        .filter(item => isVideo(item) && !isBroadcast(item))
         .map(item => item.id.videoId));
   }