typescript
https://github.com/microsoft/typescript
TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
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- Issues
- Redo localization for onboarding
- Design Meeting Notes, 2026-08-25
- vscode.provideDocumentSemanticTokens returns null when using native preview with built-in TS extension disabled
- Matching Strada order of operations in recursive signature resolution
- Generic recursive function infers incorrect return type
- Expose Checker.getTypeOfPropertyOfType on the unstable API
- Fix panic in declaration emit for `export default` arrow/function expression with unnameable inferred return type
- Don't ignore all generic self tail calls when collecting the return type of a function
- Re-order Array#reduce and Array#reduceRight overloads in lib.es5.d.ts
- Inconsistent typing of endless generators between functions and lambdas
- Docs
- TypeScript not yet supported