Hide the empty trending tags from panel.

_includes/panel.html

@@ -45,18 +45,22 @@
 
   {% endif %} <!-- site.data.updates -->
 
+  {% include trending_tags.html %}
+
+  {% if trending_tags.size > 0 %}
     <div id="access-tags">
       <h3 data-toc-skip>
         {{- site.data.label.panel.trending_tags -}}
       </h3>
       <div class="d-flex flex-wrap mt-3 mb-1 mr-3">
-      {% include trending-tags.html %}
+
       {% for tag in trending_tags %}
         {% capture url %}/tags/{{ tag | downcase | url_encode }}/{% endcapture %}
         <a class="post-tag" href="{{ url | relative_url }}">{{ tag | replace: '-', ' ' }}</a>
        {% endfor %}
       </div>
     </div>
+  {% endif %}
 
   </div> <!-- .access -->
 

_includes/search-results.html

@@ -9,7 +9,7 @@
   <div class="col-12 col-xl-11 post-content">
     <div id="search-hints">
       <h4 class="text-muted mb-4">{{ site.data.label.panel.trending_tags }}</h4>
-      {% include trending-tags.html %}
+      {% include trending_tags.html %}
       {% for tag in trending_tags %}
         {% capture url %}/tags/{{ tag | downcase | url_encode }}/{% endcapture %}
         <a class="post-tag" href="{{ url | relative_url }}">{{ tag | replace: '-', ' ' }}</a>

assets/js/data/cache-list.js

@@ -65,7 +65,7 @@ const include = [
   {% endfor %}
 
   /* Trending tags */
-  {% include trending-tags.html %}
+  {% include trending_tags.html %}
   {% for tag in trending_tags %}
     {% capture tag_url %}/tags/{{ tag | downcase | url_encode }}/{% endcapture %}
     '{{ tag_url | relative_url }}',