hexo-theme-icarus/layout/comment/disqus.ejs

<% if (has_config('comment.shortname')) { %>
<script>
    var disqus_config = function () {
        this.page.url = '<%= page.permalink %>';
        this.page.identifier = '<%= page.disqusId || page.path %>';
    };
    (function() {
        var d = document, s = d.createElement('script');  
        s.src = '//' + '<%= get_config('comment.shortname') %>' + '.disqus.com/embed.js';
        s.setAttribute('data-timestamp', +new Date());
        (d.head || d.body).appendChild(s);
    })();
</script>
<% } %>
<div id="disqus_thread">
    <% if (!has_config('comment.shortname')) { %>
    <div class="notification is-danger">
        You forgot to set the <code>shortname</code> for Disqus. Please set it in <code>_config.yml</code>.
    </div>
    <% } %>
    <noscript>Please enable JavaScript to view the <a href="//disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
</div>