microsoft / microsoft/TypeScript

Unclear error message when using undeclared parameter in JSDoc.

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Description

Bug Report

🔎 Search Terms

ts8032

🕗 Version & Regression Information
  • This is the behavior in every version I tried, and I reviewed the FAQ for entries about ts8032
⏯ Playground Link

Playground link with relevant code

💻 Code
/**
 * @param {Object} opts
 * @param {number} [opts.thisWorks]
 * @param {number} [undeclaredParam.thisDoesnt]
 */
function foo(opts) {

}
🙁 Actual behavior

It emits TS8032 with a vague error message: Qualified name 'undeclaredVar.thisDoesnt' is not allowed without a leading '@param {object} undeclaredVar'.

🙂 Expected behavior

A clear error message explaining that undeclaredParam does not exist.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked TypeScript Playground and the TS8032 diagnostic for the provided JSDoc example. Compare the actual message with the expected explanation that the undeclared parameter does not exist, then verify the corrected wording against the same example.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, typescript
Domain
compilers
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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