
github.com
October 8, 2026
9 min read
51/100
Summary
I wanted to see if LLMs could port the TypeScript compiler, checker and lsp to Rust. Turns out they can. It cost over $420,000 in tokens to do it, but you could probably have done it for ~$20k (see below) - Test model capabilities - Make a fast TypeScript type checker - Make a ts checker that can work in WASM with high performance - Memes This is an early release. It has 100% compatibility in ever...