A collaborative development effort is ongoing to create web components that can be used to implement the BYU theme. This effort is ongoing. Updates can be found on Slack #engineering-group.
One of the primary purposes of choosing this method is to enable everyone to use the same code base to some extent, regardless of platform. Websites using Drupal, WordPress, .Net, a custom CMS, HTML, or virtually anything else could use the same code. This will help websites on campus be consistently well designed, accessible, and adoptive of the BYU Brand.