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fix: broaden parameter types in @stdlib/assert/is-negative-finite#12450

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fix: broaden parameter types in @stdlib/assert/is-negative-finite#12450
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Description

What is the purpose of this pull request?

This pull request:

  • broadens the over-narrow value parameter type in the @stdlib/assert/is-negative-finite TypeScript declaration from number | Number to any, matching the sibling finite/number predicates (is-positive-finite, is-nonnegative-finite, is-nonpositive-finite, is-negative-number). The narrow type rejected legitimate inputs documented by the package's own examples (e.g. isNegativeFinite( null )).
  • renames the interface isNegativeFinite to IsNegativeFinite (PascalCase), matching all sibling declarations.
  • corrects the top-level summary ("negative number" -> "finite negative number", copy-pasted from is-negative-number) and the isObject summary to include "finite".

Related Issues

Does this pull request have any related issues?

No.

Questions

Any questions for reviewers of this pull request?

No.

Other

Any other information relevant to this pull request?

Identified via a TypeScript-declaration audit of the @stdlib/assert namespace. Documentation-only wording fixes for other packages are submitted separately.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

AI Assistance

When authoring the changes proposed in this PR, did you use any kind of AI assistance?

  • Yes
  • No

If you answered "yes" above, how did you use AI assistance?

  • Code generation (e.g., when writing an implementation or fixing a bug)
  • Test/benchmark generation
  • Documentation (including examples)
  • Research and understanding

Disclosure

This PR was authored primarily by Claude Code (Anthropic's CLI), which audited the @stdlib/assert TypeScript declarations and proposed and applied the fix. I reviewed the changes.


@stdlib-js/reviewers

Type the `value` parameter of the call signature, `isPrimitive`, and
`isObject` as `any` instead of `number | Number`, matching the sibling
finite/number predicates (`is-positive-finite`, `is-nonnegative-finite`,
`is-nonpositive-finite`, `is-negative-number`). The narrow type rejected
legitimate inputs documented by the package's own examples (e.g.
`isNegativeFinite( null )`).

Additionally:

- Rename the interface `isNegativeFinite` -> `IsNegativeFinite`
  (PascalCase) to match all sibling declarations, and update the
  `declare var` annotation.
- Correct the top-level summary "Tests if a value is a negative
  number." -> "Tests if a value is a finite negative number."
  (copy-paste from `is-negative-number`) and the `isObject` summary to
  include "finite".

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
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    status: passed
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  - task: lint_markdown_pkg_readmes
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  - task: lint_typescript_declarations
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---
@Planeshifter Planeshifter requested a review from a team June 2, 2026 16:42
@stdlib-bot stdlib-bot added the Needs Review A pull request which needs code review. label Jun 2, 2026
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Coverage Report

Package Statements Branches Functions Lines
assert/is-negative-finite $\color{green}274/274$
$\color{green}+100.00\%$
$\color{green}12/12$
$\color{green}+100.00\%$
$\color{green}3/3$
$\color{green}+100.00\%$
$\color{green}274/274$
$\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.

@Planeshifter Planeshifter requested a review from kgryte June 2, 2026 16:48
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