Merge pull request #2506 from syeopite/handle-empty-playlist-tabs

Handle YT tabs without content

src/invidious/helpers/extractors.cr

@@ -321,13 +321,15 @@ private module Parsers
         content_container = item_contents["contents"]
       end
 
-      raw_contents = content_container["items"].as_a
+      raw_contents = content_container["items"]?.try &.as_a
+      if !raw_contents.nil?
         raw_contents.each do |item|
           result = extract_item(item)
           if !result.nil?
             contents << result
           end
         end
+      end
 
       Category.new({
         title:            title,
@@ -399,7 +401,7 @@ private module Extractors
           items_container = renderer_container_contents
         end
 
-        items_container["items"].as_a.each do |item|
+        items_container["items"]?.try &.as_a.each do |item|
           raw_items << item
         end
       end