zod
https://github.com/colinhacks/zod
TypeScript
TypeScript-first schema validation with static type inference
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- Issues
- `z.toJSONSchema()` allows overriding `type` via metadata
- discriminatedUnion breaks TS inference for mutually-recursive getter-based schemas; plain union works
- z.never() within union not behaving as it used to since 4.4.0
- Feature request: Pass the currently set locale to error maps (or otherwise expose it)
- Add regression tests for object union inference
- feat(proposal): mask
- fix: preserve date origin when number timestamp passed to .min()/.max()
- Passing a number to ZodDate min() and max() functions causes the issue origin to become "number" ([email protected])
- Add v4 regression test for object union inference
- [Security Advisory] Verified Remediation Path for picomatch (CVE-2026-33671) via lint-staged - OWASP CVE Lite CLI
- Docs
- TypeScript not yet supported