fix: Check null value for channelMatch within getAuthor from utils (#350

)

lib/util.js

@@ -371,7 +371,7 @@ exports.getVideoDescription = (html) => {
 
 /**
  * Get video media (extra information) from html
- * 
+ *
  * @param {String} body
  * @return {Object}
  */
@@ -416,13 +416,13 @@ exports.getAuthor = (body) => {
   const userMatch = ownerinfo.match(aliasRegexp);
   const verifiedMatch = ownerinfo.match(verifiedRegexp);
   return {
-    id: channelMatch[1],
-    name: channelMatch[2],
+    id: channelMatch ? channelMatch[1] : null,
+    name: channelMatch ? channelMatch[2] : null,
     avatar: url.resolve(VIDEO_URL, exports.between(ownerinfo,
       'data-thumb="', '"')),
     verified: !!verifiedMatch && !!verifiedMatch[1],
     user: userMatch ? userMatch[1] : null,
-    channel_url: 'https://www.youtube.com/channel/' + channelMatch[1],
+    channel_url: channelMatch ? 'https://www.youtube.com/channel/' + channelMatch[1] : null,
     user_url: userMatch ? 'https://www.youtube.com/user/' + userMatch[1] : null,
   };
 };