[polyglotfacto]

I've done this in the parallel post, see https://news.ycombinator.com/item?id=46705625 (and a couple of other replies in that thread)

TLDR; the code is not a valid POC but throw-away level quality that could never support a functioning web engine. It's actually very clear hallucinated AI BS, which is what you get when you don't have a human expert in the loop.

I actually like using AI, but only to save me the typing.