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
- Allow local .js/.ts files to be typed by their corresponding .d.ts file
- Rename a symbol of a named export: Do not create export alias
- Remote declaration file
- HOC returned component props can not differ from HOC generic props
- Pick<T, Exclude<keyof T, K>> & Pick<T, Extract<keyof T, K>> should be assignable to T
- Allow ignoring certain TS suggestion-level diagnostic codes
- Add a --strictNaNChecks option, and a NaN / integer / float type to avoid runtime NaN errors
- instanceof narrowing should preserve generic types from super to child type
- Suggestion: Uniform Type Predicate, or Concrete Types
- Strict type-checking on a per-file basis "@ts-strict"
- Docs
- TypeScript not yet supported