[usere9364382]

No, that is a different project. Judging from the github link, that was released in 2016. The reddit link is from 2018. Also see here,

http://eyeandtea.com/

and in particular,

http://eyeandtea.com/crxoop/v2/ch01/03

for the documentation of CrxOop. It is just the OOP part of what you see here

http://eyeandtea.com/crxcmp