Support YouTube /shorts/ URLs.

app.rb

@@ -283,6 +283,11 @@
     # there is no way to resolve these accurately through the API, the best way is to look for the channelId meta tag in the website HTML
     # note that slug != username, e.g. https://www.youtube.com/c/kawaiiguy and https://www.youtube.com/user/kawaiiguy are two different channels
     user = "#{type}/#{slug}"
+  elsif /(?:youtu\.be|youtube\.com\/(?:embed|v|shorts))\/(?<video_id>[^?#]+)/ =~ params[:q]
+    # https://youtu.be/vVXbgbMp0oY?t=1s
+    # https://www.youtube.com/embed/vVXbgbMp0oY
+    # https://www.youtube.com/v/vVXbgbMp0oY
+    # https://www.youtube.com/shorts/QHEG3OB14GA
   elsif /youtube\.com\/tv#\/watch\/video\/.*[?&]v=(?<video_id>[^&]+)/ =~ params[:q]
     # https://www.youtube.com/tv#/zylon-detail-surface?c=UCK5eBtuoj_HkdXKHNmBLAXg&resume
     # https://www.youtube.com/tv#/watch/video/idle?v=uYMD4elmVIE&resume
@@ -294,10 +299,6 @@
     # https://www.youtube.com/playlist?list=PL0QrZvg7QIgpoLdNFnEePRrU-YJfr9Be7
   elsif /youtube\.com\/(?<user>[^\/?#]+)/ =~ params[:q]
     # https://www.youtube.com/khanacademy
-  elsif /(?:youtu\.be|youtube\.com\/(?:embed|v))\/(?<video_id>[^?#]+)/ =~ params[:q]
-    # https://youtu.be/vVXbgbMp0oY?t=1s
-    # https://www.youtube.com/embed/vVXbgbMp0oY
-    # https://www.youtube.com/v/vVXbgbMp0oY
   elsif /\b(?<channel_id>(?:UC[^\/?#]{22,}|S[^\/?#]{12,}))/ =~ params[:q]
     # it's a channel id
   else

config/initializers/05-string.rb

@@ -143,7 +143,7 @@ def embed_html(request=nil)
         <iframe width="1280" height="720" src="https://www.facebook.com/video/embed?video_id=#{id}" frameborder="0" scrolling="no" allowfullscreen referrerpolicy="no-referrer"></iframe>
         <a href="https://www.facebook.com/video/embed?video_id=#{id}" rel="noreferrer">Open embed</a>
       EOF
-    elsif %r{^https?://(?:www\.|m\.)?youtube\.com/(?:.*?[?&#](v=(?<id>[^&#]+)|list=(?<list>[^&#]+)|(?:t|time_continue)=(?<t>[^&#]+)))+} =~ self || %r{^https?://(?:youtu\.be|(?:www\.|m\.)?youtube\.com/(?:embed|v))/(?<id>[^?&#]+)(?:.*?[?&#](?:list=(?<list>[^&#]+)|(?:t|time_continue)=(?<t>[^&#]+)))*} =~ self
+    elsif %r{^https?://(?:www\.|m\.)?youtube\.com/(?:.*?[?&#](v=(?<id>[^&#]+)|list=(?<list>[^&#]+)|(?:t|time_continue)=(?<t>[^&#]+)))+} =~ self || %r{^https?://(?:youtu\.be|(?:www\.|m\.)?youtube\.com/(?:embed|v|shorts))/(?<id>[^?&#]+)(?:.*?[?&#](?:list=(?<list>[^&#]+)|(?:t|time_continue)=(?<t>[^&#]+)))*} =~ self
       # https://www.youtube.com/watch?v=z5OGD5_9cA0&list=PL0QrZvg7QIgpoLdNFnEePRrU-YJfr9Be7&index=3&t=30s
       url = "https://www.youtube.com/embed/#{id}?rel=0"
       url += "&list=#{list}" if list