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 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"
- NonNullable isn't narrowing down object values' types for optional properties
- AudioWorkletProcessor type definition is missing
- Add new moduleResolution option: `yarn-pnp`
- TypeScript doesn't allow event : CustomEvent in addEventListener
- Imports in .d.ts files break wildcard modules declarations
- Docs
- TypeScript not yet supported