RSS Plugin

---json
{
  "permalink": "feed.xml",
  "eleventyExcludeFromCollections": true,
  "metadata": {
    "title": "My Blog about Boats",
    "description": "I am writing about my experiences as a naval navel-gazer.",
    "language": "en",
    "base": "https://example.com/",
    "author": {
      "name": "Boaty McBoatFace"
    }
  }
}
---
<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="{{ metadata.language or page.lang }}">
  <title>{{ metadata.title }}</title>
  <subtitle>{{ metadata.description }}</subtitle>
  <link href="{{ permalink | htmlBaseUrl(metadata.base) }}" rel="self" />
  <link href="{{ metadata.base | addPathPrefixToFullUrl }}" />
  <updated>{{ collections.posts | getNewestCollectionItemDate | dateToRfc3339 }}</updated>
  <id>{{ metadata.base | addPathPrefixToFullUrl }}</id>
  <author>
    <name>{{ metadata.author.name }}</name>
  </author>
  {%- for post in collections.posts | reverse %}
  {%- set absolutePostUrl %}{{ post.url | htmlBaseUrl(metadata.base) }}{% endset %}
  <entry>
    <title>{{ post.data.title }}</title>
    <link href="{{ absolutePostUrl }}" />
    <updated>{{ post.date | dateToRfc3339 }}</updated>
    <id>{{ absolutePostUrl }}</id>
    <content type="html">{{ post.content | renderTransforms(post.data.page, metadata.base) }}</content>
  </entry>
  {%- endfor %}
</feed>

---json
{
  "permalink": "feed.xml",
  "eleventyExcludeFromCollections": true,
  "metadata": {
    "title": "My Blog about Boats",
    "description": "I am writing about my experiences as a naval navel-gazer.",
    "language": "en",
    "base": "https://example.com/",
    "author": {
      "name": "Boaty McBoatFace"
    }
  }
}
---
<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xml:base="{{ metadata.base | addPathPrefixToFullUrl }}" xmlns:atom="http://www.w3.org/2005/Atom">
  <channel>
    <title>{{ metadata.title }}</title>
    <link>{{ metadata.base | addPathPrefixToFullUrl }}</link>
    <atom:link href="{{ permalink | htmlBaseUrl(metadata.base) }}" rel="self" type="application/rss+xml" />
    <description>{{ metadata.description }}</description>
    <language>{{ metadata.language or page.lang }}</language>
    {%- for post in collections.posts | reverse %}
    {%- set absolutePostUrl = post.url | htmlBaseUrl(metadata.base) %}
    <item>
      <title>{{ post.data.title }}</title>
      <link>{{ absolutePostUrl }}</link>
      <description>{{ post.content | renderTransforms(post.data.page, metadata.base) }}</description>
      <pubDate>{{ post.date | dateToRfc822 }}</pubDate>
      <dc:creator>{{ metadata.author.name }}</dc:creator>
      <guid>{{ absolutePostUrl }}</guid>
    </item>
    {%- endfor %}
  </channel>
</rss>

---json
{
  "permalink": "feed.json",
  "eleventyExcludeFromCollections": true,
  "metadata": {
    "title": "My Blog about Boats",
    "description": "I am writing about my experiences as a naval navel-gazer.",
    "language": "en",
    "base": "https://example.com/",
    "author": {
      "name": "Boaty McBoatFace"
    }
  }
}
---
{
  "version": "https://jsonfeed.org/version/1.1",
  "title": "{{ metadata.title }}",
  "language": "{{ metadata.language or page.lang }}",
  "home_page_url": "{{ metadata.base | addPathPrefixToFullUrl }}",
  "feed_url": "{{ permalink | htmlBaseUrl(metadata.base) }}",
  "description": "{{ metadata.description }}",
  "authors": [
    {
      "name": "{{ metadata.author.name }}"
    }
  ],
  "items": [
    {%- for post in collections.posts | reverse %}
    {%- set absolutePostUrl %}{{ post.url | htmlBaseUrl(metadata.base) }}{% endset %}
    {
      "id": "{{ absolutePostUrl }}",
      "url": "{{ absolutePostUrl }}",
      "title": "{{ post.data.title }}",
      "content_html": {% if post.content %}{{ post.content | renderTransforms(post.data.page, metadata.base) | dump | safe }}{% else %}""{% endif %},
      "date_published": "{{ post.date | dateToRfc3339 }}"
    }
    {% if not loop.last %},{% endif %}
    {%- endfor %}
  ]
}