[

{% assign posts = site.posts | where_exp:"post","post.is_generated != true" %}
{% assign date_format = site.date_format | default: "%m/%d/%Y" %}
{% for post in posts %}
  {
    "title"    : "{{ post.title | escape }}",
    "tags"     : "{{ post.tags | array_to_sentence_string }}",
    "categories" : "{{ post.category }}",
    "url"      : "{{ site.baseurl }}{{ post.url }}",
    "date"     : "{{ post.date | date: date_format }}"
  } {% unless forloop.last %},{% endunless %}
{% endfor %}

]