io-ts
https://github.com/gcanti/io-ts
TypeScript
Runtime type system for IO decoding/encoding
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- Issues
- Incorrect behaviour when used with browser geolocation coordinates object
- Question: Convert a form to a type with different structure
- Records are stripped when encoding with t.record(NumberFromString, xxx)
- support partially enumerable `record`
- partially enumerable record missing enumerable keys passes `record.is`, contrary to TypeScript types
- Providing a way to replace the failure implementation
- t.Int: use Number.isSafeInteger instead of Number.isInteger
- Intersection of Function with Object doesn't validate correctly
- `t.TypeOf<keyof<o>>` should return a string union type, not a numeric union type.
- How to generate documentation for types generated with `t.TypeOf`
- Docs
- TypeScript not yet supported