typescript
https://github.com/microsoft/typescript
TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
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- Issues
- Using `@satisfies` tag in JSDoc has strange effects on arrow function parameters
- tsc crash with jsdoc typedef and object exported with same name.
- When the initial element of the tuple is a rest element, it is not possible to correctly infer the type of the initial element.
- Make generic arrays indexable by `numericStringType`
- Fixed inferred type widening with contextual types created by binding patterns
- Treat `switch (typeof x)` as exhaustive when all cases are handled for unconstrained type parameter
- Type can't `keyof`
- Generic type inference failed
- Literals in return positions are widened despite being typed using `const` type variables
- Keep returned (and yielded) literal types as const when their types using `const` type variables
- Docs
- TypeScript not yet supported