typescript
https://github.com/microsoft/typescript
TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
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- Issues
- Update expressions with untyped argument are typed `number`, not `number | bigint`
- Add a flag to specifically disallow the "lazy initialization of an empty object" pattern in checkJs mode
- Document the Iterator, Iterable, IterableIterator types
- Multiple sets of mutually exclusives properties lead to wrong compiler error
- [Feature Request] Allow Class Index Signatures to be mapped
- Return type is `any` of getter in object passed as generic
- Inferring a generic should put the type variable in the inner scope when possible
- [Feature Request] Add strictNonNullAssertion option to avoid redundant non-null assertions
- [refactoring] Refactor private class members to use hash names instead
- Null checks should allow narrowing of union types under strict null checks
- Docs
- TypeScript not yet supported