{% set disqus = config.extra.disqus %}
{% if page and page.meta and page.meta.disqus is string %}
  {% set disqus = page.meta.disqus %}
{% endif %}
{% if not page.is_homepage and disqus %}
  <h2 id="__comments">{{ lang.t("meta.comments") }}</h2>
  <div id="disqus_thread"></div>
  <script>
    var disqus_config = function () {
      this.page.url = "{{ page.canonical_url }}";
      this.page.identifier =
        "{{ page.canonical_url | replace(config.site_url, "") }}";
    };
    (function() {
      var d = document, s = d.createElement("script");
      s.src = "//{{ disqus }}.disqus.com/embed.js";
      s.setAttribute("data-timestamp", +new Date());
      (d.head || d.body).appendChild(s);
    })();
  </script>
{% endif %}