Add RSS feed (#109)

Author: frankieroberto

app/posts/feed.njk

@@ -0,0 +1,44 @@
+---
+permalink: feed.xml
+layout: false
+eleventyExcludeFromCollections: true
+metadata:
+  title: X-GOVUK
+  subtitle: "Notes and updates on projects being developed across government teams"
+  language: en
+  url: https://x-govuk.github.io
+---
+<?xml version="1.0" encoding="utf-8"?>
+<feed xmlns="http://www.w3.org/2005/Atom" xml:base="{{ metadata.url }}">
+  <title>{{ metadata.title }}</title>
+  <subtitle>{{ metadata.subtitle }}</subtitle>
+  <link href="{{ permalink | absoluteUrl(metadata.url) }}" rel="self"/>
+  <link href="{{ metadata.url }}"/>
+  <updated>{{ collections.post | getNewestCollectionItemDate | dateToRfc3339 }}</updated>
+  <id>{{ metadata.url }}/</id>
+  {%- for post in collections.post | reverse %}
+  {%- set absolutePostUrl = post.url | absoluteUrl(metadata.url) %}
+  <entry>
+    <title>{{ post.data.title }}</title>
+    <link href="{{ absolutePostUrl }}"/>
+    <updated>{{ post.date | dateToRfc3339 }}</updated>
+    <id>{{ absolutePostUrl }}</id>
+    {% if post.data.authors %}
+      {% for author in post.data.authors %}
+        <author>
+          <name>{{ author.name }}</name>
+          {% if author.url %}<uri>{{ author.url }}</uri>{% endif %}
+        </author>
+      {% endfor %}
+    {% elif post.data.author %}
+      <author>
+        <name>{{ post.data.author.name }}</name>
+        {% if post.data.author.url %}<uri>{{ post.data.author.url }}</uri>{% endif %}
+      </author>
+    {% endif %}
+    <content xml:lang="{{ metadata.language }}" type="html">
+      <![CDATA[ {{ post.templateContent | htmlToAbsoluteUrls(absolutePostUrl) }} ]]>
+    </content>
+  </entry>
+  {%- endfor %}
+</feed>

eleventy.config.js

@@ -1,6 +1,10 @@
 const govukEleventyPlugin = require('@x-govuk/govuk-eleventy-plugin')
+const rssPlugin = require("@11ty/eleventy-plugin-rss");
 
 module.exports = function (eleventyConfig) {
+
+  eleventyConfig.addPlugin(rssPlugin);
+
   eleventyConfig.addPlugin(govukEleventyPlugin, {
     icons: {
       mask: 'https://raw.githubusercontent.com/x-govuk/logo/main/images/x-govuk-mask-icon.svg?raw=true',
@@ -11,12 +15,21 @@ module.exports = function (eleventyConfig) {
     },
     opengraphImageUrl:
       'https://raw.githubusercontent.com/x-govuk/logo/main/images/x-govuk-opengraph-image.png',
+    feedUrl: 'https://x-govuk.github.io/posts.xml',
     homeKey: 'X-GOVUK',
     url: process.env.GITHUB_ACTIONS && 'https://x-govuk.github.io/',
     header: {
       logotype: 'x-govuk'
     },
     footer: {
+      meta: {
+        items: [
+          {
+            href: "/feed.xml",
+            text: "Subscribe to feed"
+          }
+        ]
+      },
       contentLicence: {
         html: 'An unofficial community project. <a class="govuk-footer__link" href="https://github.com/x-govuk/x-govuk.github.io">GitHub source</a>.'
       },

package-lock.json

@@ -23,6 +23,7 @@
   "dependencies": {
     "@11ty/eleventy": "^2.0.0",
     "@11ty/eleventy-fetch": "^4.0.0",
+    "@11ty/eleventy-plugin-rss": "^1.2.0",
     "@x-govuk/govuk-eleventy-plugin": "^6.0.0"
   },
   "devDependencies": {