zod
https://github.com/colinhacks/zod
TypeScript
TypeScript-first schema validation with static type inference
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- Issues
- fix: include `format: "time"` in `z.iso.time().toJSONSchema()` output
- fix(ZodDefault): apply default even if inner parse returns undefined
- Add emailUtf8 validation method #3073
- Add lowercase and uppercase validator
- (docs) email() validation disclaimer
- fix: add types exports declaration for ./locales/*
- [Zod 4] RFC: `ZodIssue` formats
- add readonly to BRAND-ed internal type structure
- Input contravariance
- fix record type with branded keys
- Docs
- TypeScript not yet supported