Planned update to Microsoft’s JavaScript variant, now in beta, also brings expandable hovers that make it easier to view ...

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 ...

The TypeScript team announced the release of TypeScript 4.1, which includes powerful template literal types, key remapping of mapped types, and recursive conditional types.

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 ...

Dependent types are an interesting feature in TypeScript: Not only do they show what is happening in a program. They also prepare the code for things to come.

To TypeScript, a conditional type of a union is a union of conditional types. This means that a call like. type Dolls = GetKind<Toy, "doll"> which is replaced with.

The TypeScript compiler also had to be modified to handle the project's extreme scale, as its type tracker alone consumed over 90GB of RAM during execution. Mitropoulos described the effort as a ...