Tips for displaying my libraries' function arguments while hovering in VSCode

As the creator of a JavaScript library, I am intrigued by how some libraries display function parameters and definitions when hovering over them in VSCode. Despite my efforts to add jsdoc style comments around the class definitions, I have not been able to achieve this feature. It seems like a simple task, but I can't seem to figure it out. You can find the project link here: https://github.com/isaacgr/jaysonic

If someone could provide guidance on how to implement this functionality, I would greatly appreciate it.

One example that showcases what I am trying to achieve is the behavior of JSON.parse.

javascriptnpmvisual-studio-codejsdoc

Answer №1

Utilizing IntelliSense, Visual Studio Code offers autocompletions that are primarily based on TypeScript definitions in JavaScript projects. If the project is already utilizing TypeScript, these definitions can be generated and linked in the package.json file through a "typings" or "types" property.

An alternative method, although untested, involves using existing JSDoc comments to generate TypeScript Definitions.

Additionally, the TypeScript Community has manually created separate Typescript-Definitions available as npm packages under @types/name-of-the-package.

In your situation, creating/generating a typings-file and linking it in your package.json is likely the most effective approach to attain the desired outcome.

By the way, if you wish to examine a typescript definitions file, simply press Ctrl (on Windows) and click on the JSON.parse method. This will display the corresponding typescript definitions file named lib.es5.d.ts (which is integrated in vscode as part of the JavaScript language and therefore does not require installation).

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