The preview of the expandable hovers function, in the meantime, affords “quick info verbosity.” Developers utilizing an editor like Visual Studio Code now will now see + and – buttons on the left of those hover tooltips. Clicking on the + button will increase out varieties extra deeply, whereas clicking on the – button will return to the earlier view, in keeping with Microsoft.
Also in TypeScript 5.9, the language server helps a configurable hover size, which will be configured in VS Code through the js/ts.hover.maximumLength setting. This addresses a state of affairs through which fast data tooltips turn out to be so lengthy that TypeScript will truncate them to make them extra readable.
Other options in TypeScript 5.9:
