Add check for empty chan category in featured chan

src/invidious/views/channel/featured_channels.ecr

@@ -73,43 +73,43 @@
                     </div>
                 </details>
             </div>
+            </div>
         <% end %>
     <% else %>
         <h3 class="pure-u-1">
             <%= translate(locale, "This channel doesn't feature any other channels.")%>
         </h3>
     <% end %>
-
-    <!-- #<div class="channel-section pure-u-1 pure-u-md-1-4 pure-u-lg-1-6"> -->
 </div>
 
-<div class="pure-g h-box">
-    <div class="pure-u-1 pure-u-lg-1-5">
-        <% if previous_continuation %>
-            <a href="/channel/<%=channel.ucid%>/channels/<%=category_param%>?continuation=<%=HTML.escape(previous_continuation)%>&offset=<%=offset.not_nil!-1%>&title=<%=HTML.escape(title.not_nil!)%>">
-                <%= translate(locale, "Previous page") %>
-            </a>
-        <% elsif (offset - 1) == 0 %>
-            <a href="/channel/<%=channel.ucid%>/channels/<%=category_param%>">
-                <%= translate(locale, "Previous page") %>
-            </a>
-        <% end %>
-    </div>
-    <div class="pure-u-1 pure-u-lg-3-5"></div>
-    <div class="pure-u-1 pure-u-lg-1-5" style="text-align:right">
-        <% if (next_cont_token = featured_channel_categories[0].continuation_token) %>
-            <% additional_url_param = ""%>
-            <% if continuation %>
-                <% additional_url_param = "&previous=#{HTML.escape(continuation)}"%>
-            <%end %>
-            <% if !title %>
-                <% title = featured_channel_categories[0].title %>
-            <%end %>
+<% if !featured_channel_categories.empty? %>
+    <div class="pure-g h-box">
+        <div class="pure-u-1 pure-u-lg-1-5">
+            <% if previous_continuation %>
+                <a href="/channel/<%=channel.ucid%>/channels/<%=category_param%>?continuation=<%=HTML.escape(previous_continuation)%>&offset=<%=offset.not_nil!-1%>&title=<%=HTML.escape(title.not_nil!)%>">
+                    <%= translate(locale, "Previous page") %>
+                </a>
+            <% elsif (offset - 1) == 0 %>
+                <a href="/channel/<%=channel.ucid%>/channels/<%=category_param%>">
+                    <%= translate(locale, "Previous page") %>
+                </a>
+            <% end %>
+        </div>
+        <div class="pure-u-1 pure-u-lg-3-5"></div>
+        <div class="pure-u-1 pure-u-lg-1-5" style="text-align:right">
+            <% if (next_cont_token = featured_channel_categories[0].continuation_token) %>
+                <% additional_url_param = ""%>
+                <% if continuation %>
+                    <% additional_url_param = "&previous=#{HTML.escape(continuation)}"%>
+                <% end %> 
+                <% if !title %>
+                    <% title = featured_channel_categories[0].title %>
+                <% end %>
 
-
-            <a href="/channel/<%=channel.ucid%>/channels/<%=category_param%>?continuation=<%=HTML.escape(next_cont_token)%>&offset=<%=offset.not_nil!+1%>&title=<%=HTML.escape(title)%><%=additional_url_param%>">
-                <%= translate(locale, "Next page") %>
-            </a>
-        <% end %>
+                <a href="/channel/<%=channel.ucid%>/channels/<%=category_param%>?continuation=<%=HTML.escape(next_cont_token)%>&offset=<%=offset.not_nil!+1%>&title=<%=HTML.escape(title)%><%=additional_url_param%>">
+                    <%= translate(locale, "Next page") %>
+                </a>
+            <% end %>
+        </div>
     </div>
-</div>
+<% end %>