← Home

is-number

npm Repository Homepage

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

15
Versions
MIT
License
No
Install Scripts
Missing
Provenance

Supply chain provenance

Status for the latest visible version.

No SLSA provenance npm registry signatures gitHead linked

Without SLSA provenance there is no cryptographic link between this tarball and the public source — the axios compromise (March 2026) relied on exactly this gap.

Maintainers

doowbjonschlinkertrealityking

Keywords

castcheckcoercecoercionfiniteintegerisisnanis-nanis-numis-numberisnumberisfiniteistypekindmathnannumnumbernumericparseFloatparseInttesttypetypeofvalue

Versions (showing 15 of 15)

Version Deps Published
7.0.0 0 / 4
6.0.0 0 / 4
5.0.0 0 / 4
4.0.0 0 / 4
3.0.0 1 / 4
2.1.0 1 / 3
2.0.2 1 / 3
2.0.1 1 / 3
2.0.0 0 / 3
1.1.2 0 / 3
1.1.1 0 / 2
1.1.0 0 / 2
1.0.0 0 / 2
0.1.1 0 / 3
0.1.0 0 / 3