add link preconnect to algolia

Author: e111077

packages/lit-dev-content/.eleventy.js

@@ -451,6 +451,12 @@ ${content}
     return `<script type="module">${script}</script>`;
   });
 
+  eleventyConfig.addShortcode('algoliaid', () => {
+    const varsRaw = fsSync.readFileSync('../../public-vars.json', 'utf8');
+    const vars = JSON.parse(varsRaw);
+    return vars.algolia.appId;
+  });
+
   // Source: https://github.com/11ty/eleventy-base-blog/blob/master/.eleventy.js
   eleventyConfig.addFilter('readableDate', (dateObj) => {
     return luxon.DateTime.fromJSDate(dateObj, {zone: 'utc'}).toFormat(

packages/lit-dev-content/site/_includes/default.html

@@ -41,6 +41,8 @@
       <script type="module" src="{{ site.baseurl }}/js/tslib.js"></script>
     {% endif %}
 
+    <link rel="preconnect" href="https://{% algoliaid %}-dsn.algolia.net/" crossorigin>
+
     <link href="/blog/atom.xml" rel="alternate" type="application/atom+xml" title="Lit Blog feed">
     <noscript><style>body[dsd-pending] {display: block !important;}</style></noscript>
     {% block head %}{% endblock %}