typescript
https://github.com/microsoft/typescript
TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
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- Issues
- Fixed more ghost errors after LSP requests caching wrong contextual and parameter types
- Type hinting remains slow after version 5.9.2
- abstract properties are now properly elided from imports
- Compare optional property flag when comparing against discriminant properties under `exactOptionalPropertyTypes`
- Fixed `anyFunctionType` leak
- Change `export =` structurally to allow other exported elements in the same file
- Avoid an attempt to contextually type static property declaration using itself to avoid spurious circularity
- Fix a relationship check for partial generic mapped targets
- [BUG] This JSX tag requires the module path 'react/jsx-runtime' to exist, but none could be found. Make sure you have types for the appropriate package installed.
- Homomorphic mapped types with arrays doesn't work well with recursive arrays
- Docs
- TypeScript not yet supported