microsoft / microsoft/TypeScript
JSDoc comment for destructuring param: description text not displayed
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Description
TypeScript Version:
2.9
Search Terms:
JSDoc destructuring param
Code
/**
* @param {Object} arg
* @param {number} arg.id - This param description won't show up
*/
function foo({ id }) {}
Expected behavior:
In VSCode 1.24.0, when typing foo(, IntelliSense should display the full param description, including its type and text.
Actual behavior:
The type is displayed ("number"), but not the text ("This param description won't show up"):
Related Issues:
https://github.com/Microsoft/TypeScript/issues/19645
Additional remark
When omitting the {Object} line, the param text shows up correctly:
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the example with TypeScript 2.9 in VSCode 1.24.0 and compare it with the case that omits the {Object} line. Read the related issue #19645 for context. Done means IntelliSense for foo( displays the destructured parameter's type and description text.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, typescript
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 35/100