type-fest
https://github.com/sindresorhus/type-fest
TypeScript
A collection of essential TypeScript types
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- Issues
- Add `Truthy` and `Falsy` types
- ValueType
- Add `Set` type
- Add `ArrayAt` type for stricter `Array.prototype.at()` with tuples
- MergeExclusive with more than two types
- Support array for `Writable` type?
- Add an IfElse type as ternary expression alternative
- Proposal | Add an Paths type thats returns all valid paths to JSON like values
- PartialDeep to allow overriding Object prototype properties
- snakeCasedProperties and camelCasedProperties have different behaviours when parsing numbers
- Docs
- TypeScript not yet supported