Generators and Iteration for ES5/ES3 Iterators Generators New —downlevelIteration Async Iteration Async iterators Async Generators The for-await-of Statement Caveats Gener...
Optional catch clause variables Type assertion/cast syntax in checkJs/@ts-check mode Deduplicated and redirected packages The —preserveSymlinks compiler flag Optional catch ...
Support number and symbol named properties with keyof and mapped types Example Example Recommendations Generic type arguments in JSX elements Example Generic type arguments i...
Mapped types on tuples and arrays Properties declarations on functions Version selection with typesVersions Matching behavior Multiple fields Mapped types on tuples and arr...
Improved behavior for calling union types Caveats Incremental file watching for composite projects in —build —watch Improved behavior for calling union types In prior version...
Speed improvements Type-checking speed-ups —incremental improvements The Omit helper type Improved excess property checks in union types The —allowUmdGlobalAccess flag Smarte...