isStableClass function ✓ 100.0%

Last updated: 2026-03-05T12:26:14.062Z

Location

src/lib/e2e-export/smart-selector.ts:123-134

Metrics

LOC: 12 Complexity: 7 Params: 1 Coverage: 100.0% (8/8 lines, 0x executed)

Signature

isStableClass(cls: string): : boolean

Summary

Returns true if a CSS class name looks like a stable, semantic class (not generated by CSS Modules, styled-components, emotion, etc.).

Source Code

function isStableClass(cls: string): boolean {
  if (cls.length < 2 || cls.length > 50) return false;
  // Skip CSS-in-JS and module-generated prefixes
  if (/^(_|css-|sc-|emotion-|jss-|makeStyles)/i.test(cls)) return false;
  // Skip all-digit strings
  if (/^\d+$/.test(cls)) return false;
  // Skip hex-like hashes (e.g. a3b2c1f0)
  if (/^[a-f0-9]{6,}$/i.test(cls)) return false;
  // Skip long alphanumeric blobs without separators (likely generated)
  if (/^[a-z0-9]{20,}$/i.test(cls)) return false;
  return true;
}

Dependencies (Outgoing)

graph LR isStableClass["isStableClass"] style isStableClass fill:#dbeafe,stroke:#2563eb,stroke-width:2px click isStableClass "a930f2127e698cdc.html"
TargetType
cls dynamic_call

No incoming dependencies.