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@wjhsf wjhsf commented Oct 17, 2025

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Overview

As described in #9591, the error message "Unsafe call of a(n) error type typed value". Namely, what is "an error type typed value"? It's unclear to anyone who does not know that TypeScript has a special flavor of any for types that could not be resolved. (Probably just about everyone who doesn't work on TypeScript tooling.)

This PR aims to provide clarity by changing "error typed" to "unresolved due to error", resulting in error messages like "Unsafe call of a(n) unresolved due to error typed value". Not the most natural phrasing, and it would probably be better to use a distinct error message, but my goal was to make a minimal change and not have to go stomping through the code to figure things out. 😅

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@wjhsf wjhsf changed the title replace unclear "error typed" with more helpful description fix(no-unsafe-call): replace unclear "error typed" with more helpful description Oct 17, 2025
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.66%. Comparing base (bb451a1) to head (9f3e331).

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@@           Coverage Diff           @@
##             main   #11704   +/-   ##
=======================================
  Coverage   90.66%   90.66%           
=======================================
  Files         518      518           
  Lines       52415    52415           
  Branches     8678     8678           
=======================================
  Hits        47521    47521           
  Misses       4880     4880           
  Partials       14       14           
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unittest 90.66% <100.00%> (ø)

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Files with missing lines Coverage Δ
packages/eslint-plugin/src/rules/no-unsafe-call.ts 97.02% <100.00%> (ø)
...eslint-plugin/src/rules/no-unsafe-member-access.ts 100.00% <100.00%> (ø)
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@wjhsf wjhsf changed the title fix(no-unsafe-call): replace unclear "error typed" with more helpful description fix(eslint-plugin): replace unclear "error typed" with more helpful description Oct 31, 2025
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🙌 time to bikeshed! 🙌

messageId,
data: {
type: isErrorType ? '`error` type' : '`any`',
type: isErrorType ? 'unresolved due to error' : '`any`',
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Not the most natural phrasing

🤔 yeah, I'm not sure that this specific change is better for users. Looking at the deploy preview playground, the report message is:

Unsafe call of a(n) unresolved due to error typed value.

It took me a few tries to parse out the English grammar in that sentence, and I had to rely on already knowing the rule & this PR.

I'm drawing a blank here (and am a little swamped), but let's bikeshed. What's a more clear phrase we could go with?

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Using an entirely new message would be best. Something along the lines of "Unsafe call of a type that could not be resolved." That's what I originally started doing in this PR, but then I had to touch more files than I wanted to, so I changed to the kludgy phrasing.

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FWIW I like that phrasing more. I can't think of a way to more concisely tell the user "this type could not be resolved" than just saying so.

@JoshuaKGoldberg JoshuaKGoldberg added the awaiting response Issues waiting for a reply from the OP or another party label Nov 3, 2025
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Bug: [no-unsafe-call] Unclear message "Unsafe call of an error type typed value" (especially in JSDoc)

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