--- # Leave it empty to compile --- [ {% assign sorted_pages = site.html_pages | sort: 'title' %} {% for page in sorted_pages %} {% if page.title %} { "title" : {{ page.title | jsonify }}, "url" : "{{ site.baseurl }}{{ page.url }}" } {% unless forloop.last %},{% endunless %} {% endif %} {% endfor %} ]