[hombre_fatal]

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.

[hombre_fatal]

Oh, it does work for MediaWiki, you just need the "Add Image" widget open in the editor.