Hey, I'm ファース (fasu) 👋
Pongsakorn Thipayanate — self-taught full-stack developer from Thailand. I build developer tools and web applications with TypeScript, focused on clean architecture, open source, and good defaults. Currently at SlapInc.
Work
SlapInc.
Backend Developer
– present
SlapInc.
Technical Product Owner
Fastwork.co
Freelance Developer
– present
Recent writing
The LLM Wiki Pattern: A Second Brain That Compounds
Why I Built a New Vite Env Plugin
Stop Fighting localhost: Stable Dev URLs with Cloudflared
View all writings Things I've built
vite-env
The env.ts layer for Vite — define once, validate everywhere, import with types.
Molly Factory
Official website for Molly Factory, the Thai art toy studio behind CRYBABY — built as a client project.
GeoThai
Zero-dependency TypeScript package for Thailand's geographic data — provinces, districts, subdistricts, and postal codes.
View all projects Open source
Contributions — past year
3,321 contributions in 2026Less
More
Merged pull requests
spicetify/cli 22,893
Command-line tool to customize Spotify client. Supports Windows, macOS, and Linux.
antfu-collective/ni 8,176
💡 Use the right package manager
rolldown/tsdown 3,872
The elegant bundler for libraries powered by Rolldown
vitejs/devtools 1,143
DevTools for Vite (Rolldown).
View all on GitHub