typescript
https://github.com/microsoft/typescript
TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
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Help out
- Issues
- Probe links without creating them on read-only paths
- Create decl emit accessibility diagnostic closures lazily
- Reuse scratch node lists in the parser
- Speed up keyword lookup, identifier scanning, and whitespace skipping in the scanner
- Inline the common fast-fail of isSimpleTypeRelatedTo
- Avoid closure and slice allocations in core helpers and type filtering
- Cache type classification answers on types
- Speed up property and index signature lookups
- Speed up union construction with sorted-run merging and cheaper membership check
- Avoid allocations and no-op work during type inference
- Docs
- TypeScript not yet supported