Jekyll JSON RSS Feed

feed.json

---
layout: null
permalink: /feed.json
---
{
    "version": "https://jsonfeed.org/version/1",
    "title": "{{ site.title }}",
    "description": "{{ site.description }}",
    "home_page_url": "{{ '/' | absolute_url }}",
    "feed_url": "{{ page.url | absolute_url }}",
    "icon": "{{ "/apple-touch-icon.png" | absolute_url }}",
    "favicon": "{{ "/favicon-192.png" | absolute_url }}",
    "expired": false,
    "author": {
        "name": "{{ site.author.name }}",
        "url": "{{ site.url }}"
      },
    "items": [
      {% assign posts = site.posts | where_exp: "post", "post.draft != true" %}
      {% for post in posts limit: 50 %}
      {% if post.feed == true %}
        {
          "id": "{{ post.permalink | absolute_url }}",
          "url": "{{ post.permalink | absolute_url }}",
          "external_url": "{{ post.external_url | default: post.permalink | absolute_url }}",
          "title": "{{ post.title | smartify | strip_html | normalize_whitespace }}",
          "content_html": {{ post.content | jsonify }},
          {% assign post_image = post.image %}
          {% if post_image %}
            {% unless post_image contains "://" %}
              {% assign post_image = post_image | absolute_url | xml_escape  %}
            {% endunless %}
            "image": "{{ post_image }}",
          {% endif %}
          "date_published": "{{ post.date | date_to_xmlschema }}",
          "date_modified": "{{ post.update_date | default: post.date | date_to_xmlschema }}",
          "author": {
            "name": "{{ post.author.name }}"
          }
        }
        {% unless forloop.last %},{% endunless %}
      {% endif %}
      {% endfor %}
    ]
  }