Bootcamp II is a wordpress theme (as well as an inside joke) designed to suit the needs of foothillschurch.com. It makes use of webpack, Babel, Sass, Tailwind, Browsersync, PostCSS, ESLint, Stylelint, Prettier and more. It is meant for that site, but if you can use it by all means go for it.
https://github.com/Myzwer/foothillschurch/blob/d75494784caf988edbcdb95afebe7becdca009e7/includes/shortcodes.php#L27-L38
This can be optimized a bit. You can remove the two
else
s that just assign an empty string in favor of starting with an empty string.