Finprim: The TypeScript Lifeline Every Fintech Dev's Been Copy-Pasting Around
Midnight sprint. IBAN regex from Stack Overflow fails on German accounts. Again. Enter finprim—the zero-dep TypeScript lib torching fintech drudgery.
⚡ Key Takeaways
- Finprim eliminates copy-paste fintech validators with zero deps and ironclad TypeScript types.
- Branded types and discriminated unions catch bugs before runtime—game-changer for payments apps.
- Saves weeks on IBAN/cards/EMIs; optional integrations for Zod/React/NestJS keep it flexible.
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Originally reported by dev.to
