npm package
Homeis-what
is-what is a JavaScript library providing simple and small type checking functions, fully supported by TypeScript. It allows developers to easily determine the type of various JavaScript values, including primitives and complex objects, making it useful for type validation in applications.
- lurq health score
- 56/100
- Confidence
- proven
- Weekly downloads
- 21,020,120
- Latest version
- 5.5.0
- Last release
- Sep 22, 2025
- License
- MIT
Should you depend on is-what?
lurq's verdict: low
- No known advisories
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Scored from public signals (npm registry, GitHub, deps.dev and advisory databases). Data as of Sep 2, 2026; this page refreshes every 24 hours. Source repository.