typescript
https://github.com/microsoft/typescript
TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
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- Issues
- Allow tuple labels passed to `satisfies` to participate in type inference
- Implement erasable Enum Annotations
- A flag to replace removed syntax with blank space
- Missing compiler error (or emit bug) in another isolatedModules + emitDecoratorMetadata use case
- `transformTime` performance regression since 5.6.x
- TS Perf degradation since last version upgrade
- Improve narrowing by `in` operator under `noUncheckedIndexedAccess` for variable properties
- require() is generated in JS although there's no runtime code
- 'in' does not remove undefined from indexed value (with noUncheckedIndexedAccess)
- Add initializer property to JSDocParameterTag node
- Docs
- TypeScript not yet supported