Simple Jekyll Search JSON Setup

search.json

---
layout: null
---
[
  {% for post in site.posts %}
    {
    
      "title"    : "{{ post.title | escape }}",
      "url"      : "{{ site.baseurl }}{{ post.url }}",
      "tags"     : "{{ post.tags | join: ', ' }}",
      "date"     : "{{ post.date }}"
      
    } {% unless forloop.last %},{% endunless %}
  {% endfor %}
]

to draw in jekyll (needs raw or won't render correctly)

{% highlight json %}
{% raw %}
{% endraw %}
{% endhighlight %}