Using Wiky.js one should document on meta.wikitolearn.org or on the repo project which wikitext tags are going to be supported. It's obivious that some tags like templates can't be expanded because a service like parsoid is needed, but nevertheless there are some markup commands that can be directly parsed into a simple html.

Here there are some references where to look at:
https://en.wikipedia.org/wiki/Help:Wiki_markup

The expected result is the parser with the documentations associated