XHP-JS: Building efficient user interface components with Hack, React, and XHP Posted by jamesgpearce on Thursday July 09, 2015 @05:01PM from the code.facebook.com dept. https://code.facebook.com/posts/858739974205250/announcing-xhp-js-building-efficient-user-interface-components-with-hack-react-and-xhp/ ( 3 comments | 15 points | on HN )
https://news.ycombinator.com/item?id=9859511
https://github.com/hhvm/xhp-js/blob/master/src/XHPReact.php
https://github.com/hhvm/xhp-js/blob/master/xhpjs.js#L94-100