TypeScript is an open source language backed by Microsoft that provides optional static typing while remaining a strict syntactical superset of JavaScript. The big new feature in TypeScript 2.8 is the ...

TypeScript 2.8 has been released with several major features and bug fixes. The most significant addition is conditional types, a new construct that allows engineers to choose types based on other typ ...

With checked returns for conditional and accessed types, TypeScript now supports a limited form of checking against conditional types in return statements, to avoid type assertions. There is an ...

By David Ramel 03/04/2025 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 ...