I don’t know if it does or not, but I’m curious to know why this interests you, in the sense that if it works it doesn’t really matter to (potential) end-users such as ourselves how it is implemented. I’m not denouncing the question as illegitimate, I’m just... genuinely curious.
Not the person you’re asking but it’s interesting to see how the sausage gets made.
The sausage is 100% free from gluten and web assembly.