type-fest
https://github.com/sindresorhus/type-fest
TypeScript
A collection of essential TypeScript types
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- Issues
- Proposal: `Flat` (equivalent to `Array.prototype.flat()`)
- Remove `Opaque`
- `PartialDeep` breaks generics
- Extend Jsonify type to handle Tagged types
- `Get<Paths<T>>` fails when T has no properties that are known at compile time
- Proposal: DeepPartialDiff
- Use `number` for array indexes in `ToPath`
- Proposal: Predicate inferer
- JsonifiableObject & JsonifiableArray
- IsBivariant
- Docs
- TypeScript not yet supported