TypeScript 5.9 includes an expandable hovers feature allowing developers to see more detailed information in tooltips within Visual Studio Code. The new + and - buttons enable the expansion of types for deeper insight or a return to the previous view. Furthermore, a configurable hover length is supported via the js/ts.hover.maximumLength setting, which prevents lengthy tooltips from being truncated for better readability. These enhancements significantly improve the user experience for developers working with TypeScript.
Developers using an editor like Visual Studio Code will see + and - buttons on the left of these hover tooltips, allowing for deeper expansion and return to the previous view.
The language server in TypeScript 5.9 supports a configurable hover length, which can be set in VS Code via the js/ts.hover.maximumLength setting to prevent tooltip truncation.
In TypeScript 5.9, the expandable hovers feature offers 'quick info verbosity', enhancing the information provided in tooltips for developers.
TypeScript 5.9 addresses readability by improving tooltip management, enabling developers to customize the length of hover information.
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