Use Number.isNaN for NaN checks

#Metadata

Rule ID

ts.correctness.use-number-is-nan

Severity

medium

Confidence

0.95

Languages

javascript, typescript

Presets

recommended, strict

Stability

stable

Applies to

file

Tags

correctness, crq-cor-029, language, rules-catalog

#Why it matters

NaN is not equal to itself; identity comparisons are always false.

#Remediation

Use `Number.isNaN(value)` (or `Number.isNaN` after coercion) instead of `value === NaN`.

#Repository path

The generated metadata points to critiq-rules/libs/rules/catalog/rules/typescript/ts.correctness.use-number-is-nan.rule.yaml.