With the TypeScript 2.0 release candidate, Microsoft’s typed superset of JavaScript mimics a tagged unions type capability featured in languages like Rust and Swift. Through this feature, developers ...

Next TypeScript release, due February 25, will support a limited form of checking against conditional and indexed acces types in return statements. Microsoft has moved TypeScript 5.8 into the beta ...

Microsoft shipped TypeScript 5.8 with improved type checking in some scenarios, but thorny problems caused the dev team to delay related work to the next release. The plan was for TypeScript 5.8 to ...