Simply include the Highlight.js library in your webpage or Node app, then load this module.
Simply load the module after loading Highlight.js. You'll use the minified version found in the dist directory. This module is just a CDN build of the language, so it will register itself as the Javascript is loaded.
<script type="text/javascript" src="/path/to/highlight.min.js"></script>
<script type="text/javascript" charset="UTF-8"
src="/path/to/highlightjs-alan/dist/alan.min.js"></script>
<script type="text/javascript">
hljs.initHighlightingOnLoad();
</script>https://highlightjs.readthedocs.io/en/latest/language-contribution.html https://github.com/highlightjs/highlight.js/blob/master/extra/3RD_PARTY_QUICK_START.md