Meanwhile, the preview of the expandable hoses features “quick information eloquence”. Developers using an editor such as the Visual Studio code, now see the + and – to the left of these tools to float. Click the + + button to extend the types deeper, while clicking on the button – according to Microsoft, returns to the previous view.
Also in type 5.9 has a language server supports the configurable hovering length that can be configured in VS code through via js/ts.hover.maximumLength Settled. This solves a situation where the tools of fast information happen so long that Typescript will shorten them to be more readable.
Other features in TypeScript 5.9: