Say goodbye to source maps and compilation delays. By treating types as whitespace, modern runtimes are unlocking a “no-build” TypeScript that keeps stack traces accurate and workflows clean.

But using Claude Code, I worked on the Watch app over the course of about 12 hours in actual time, spread out over about three weeks. I was excited to see an actual app in the first two hours and ...

I'm not a programmer, but I tried four vibe coding tools to see if I could build anything at all on my own. Here's what I did and did not accomplish.