Since you can write arbitrary JS in extensions, no reason why that couldn't be implemented by a library.
Since I just got into MediaWiki and write my first extension (finally a dark-mode that works), I'll see if this can be implemented. Perhaps with https://www.mediawiki.org/wiki/API:Upload.
Since I just got into MediaWiki and write my first extension (finally a dark-mode that works), I'll see if this can be implemented. Perhaps with https://www.mediawiki.org/wiki/API:Upload.