Autolinking? You should be able to just do a custom renderer for links to do what you need. Unless I'm misunderstanding.

I had to do custom renderers for Links, Code (to integrate highlight.js), spoilers (custom container), and images (to replicate functionality of markdown-it-html5-embed).

https://github.com/asimons04/tesseract/tree/1.4.4/src/lib/components/markdown