is-integer WTFPL OR ISC 8 versions

is-integer

npm Repository Homepage

ES2015 (ES6) Number.isInteger polyfill

Versions

WTFPL OR ISC

License

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

parshap

Keywords

es2015es6NumberisIntegerpolyfill

Accepted risks

Findings the reviewer chose to accept rather than block on.

Source	Rule	Reason	Accepted by	When
provenance	no-provenance	AI (provenance): Package predates Sigstore provenance by many years; absence is expected and not a risk signal for this established utility.	ai	2026/04/21
license	uncommon-license:WTFPL	AI (license): WTFPL OR ISC is a permissive dual-license; no legal or security risk. Stable for this package.	ai	2026/04/21

Versions (showing 8 of 8)

Version	Deps	Published
1.0.7	1 / 1	2017-05-05
1.0.6	1 / 1	2015-09-02
1.0.5	1 / 1	2015-08-28
1.0.4	2 / 1	2015-01-31
1.0.3	0 / 1	2014-02-13
1.0.2	0 / 1	2013-08-30
1.0.1	0 / 1	2013-08-30
1.0.0	0 / 1	2013-08-30