Announcing TypeScript 4.9
Announcing TypeScript 4.9
devblogs.microsoft.com Announcing TypeScript 4.9 - TypeScript
Today we are excited to announce the availability of TypeScript 4.9! If you’re not familiar with TypeScript, it’s a language that builds on JavaScript by adding types and type-checking. Types can describe things like the shapes of our objects, how functions can be called,
Here’s a quick list of what’s new in TypeScript 4.9!
- The satisfies Operator
- Unlisted Property Narrowing with the in Operator
- Auto-Accessors in Classes
- Checks For Equality on NaN
- File-Watching Now Uses File System Events
- "Remove Unused Imports" and "Sort Imports" Commands for Editors
- Go-to-Definition on return Keywords
- Performance Improvements
- Correctness Fixes and Breaking Changes
0 comments