fix(sidebar & comment): hidden comment section if no comment plugin selected & allow empty value for sidebar widgets

_config.yml.example

@@ -22,7 +22,7 @@ customize:
         location: Harbin, China
         follow: https://github.com/ppoffice/
     highlight: monokai
-    sidebar: right # sidebar position, options: left, right
+    sidebar: right # sidebar position, options: left, right or leave it empty
     thumbnail: true # enable posts thumbnail, options: true, false
     favicon: # path to favicon
     social_links:

layout/comment/index.ejs

@@ -1,19 +1,17 @@
 <% if (post.comments) { %>
-    <section id="comments">
     <% if (theme.comment.disqus) { %>
-        <%- partial('comment/disqus') %>
+        <section id="comments"><%- partial('comment/disqus') %></section>
     <% } else if (theme.comment.duoshuo) { %>
-        <%- partial('comment/duoshuo') %>
+        <section id="comments"><%- partial('comment/duoshuo') %></section>
     <% } else if (theme.comment.youyan) { %>
-        <%- partial('comment/youyan') %>
+        <section id="comments"><%- partial('comment/youyan') %></section>
     <% } else if (theme.comment.facebook) { %>
-      <%- partial('comment/facebook') %>
+        <section id="comments"><%- partial('comment/facebook') %></section>
     <% } else if (theme.comment.isso) { %>
-        <%- partial('comment/isso') %>
+        <section id="comments"><%- partial('comment/isso') %></section>
     <% } else if (theme.comment.changyan && theme.comment.changyan.appid && theme.comment.changyan.conf) { %>
-        <%- partial('comment/changyan') %>
+        <section id="comments"><%- partial('comment/changyan') %></section>
 	<% } else if (theme.comment.gitment) { %>
-        <%- partial('comment/gitment') %>
+        <section id="comments"><%- partial('comment/gitment') %></section>
     <% } %>
-    </section>
 <% } %>

layout/common/sidebar.ejs

@@ -1,6 +1,8 @@
+<% if (Array.isArray(theme.widgets) && theme.widgets.length > 0) { %>
 <aside id="sidebar">
    <% theme.widgets.forEach(function(widget) { %>
         <%- partial('widget/' + widget) %>
     <% }) %>
     <div id="toTop" class="fa fa-angle-up"></div>
-</aside>
+</aside>
+<% } %>