u/External-Durian1953

Looking for feedback on my new JSON validation package (‎`json_sentinel`)
▲ 9 r/dartlang+1 crossposts

Looking for feedback on my new JSON validation package (‎`json_sentinel`)

Hey everyone,

I’ve been working as a Flutter/Dart dev on projects where the backend API likes to “evolve” without much warning. Things like types changing, fields suddenly becoming nullable, or new keys appearing out of nowhere. I got tired of chasing down weird crashes only to discover the server response shape had changed again.

Out of that pain I started building a small helper to validate JSON responses at runtime before turning them into models. I’ve used and refined it across a few real apps now and finally decided to turn it into a package: json_sentinel.

I’d really love it if some fellow Dart/Flutter developers could try it out and let me know what you think.

Any feedback is welcome: comments, critiques, and bug reports. Thanks in advance to anyone who gives it a spin.

pub.dev
u/External-Durian1953 — 6 days ago