zod
https://github.com/colinhacks/zod
TypeScript
TypeScript-first schema validation with static type inference
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- Issues
- fix(v4): improve error messages for Infinity, NaN, and Invalid Date
- Add an analogous method to `.required()` for `.nullish()` (Feature request)
- [Feature Request] Typed error codes for i18n support
- Feature Request: splitRefine(): Syntactic sugar for refining template literals which represent delimited strings
- Weird error message when z.coerce.date() fails to coerce
- Generated OpenAPI schemas use "nullable" instead of ["type","null"]
- `z.discriminatedUnion` options built via `Object.keys(...).map(...)` are hard to type
- Add Romanian (ro) locale
- feat: add `z.ipv4Range()` and `z.ipv6Range()` validation
- Feature Request: add `.invert()` method to codecs
- Docs
- TypeScript not yet supported