SMRTR ProgrammingJan 26, 2026Hacker News

Porting 100k lines from TypeScript to Rust using Claude Code in a month

SMRTR summary

A developer successfully ported Pokemon Showdown's 100k-line JavaScript codebase to Rust in four weeks using Claude AI, working around sandbox limitations and running the AI agent 24/7. The project required extensive prompting strategies, automated workarounds for permissions, and engineering oversight to guide the AI through 5,000 commits while maintaining functional equivalence.

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