@sindresorhus/is
Type check values
5
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
sindresorhus
Keywords
typetypesischeckcheckingvalidatevalidationutilityutiltypeofinstanceofobjectassertassertiontestkindprimitiveverifycomparetypescripttypeguardstypes
Accepted risks
Findings the reviewer chose to accept rather than block on.
| Source | Rule | Reason | Accepted by | When |
|---|---|---|---|---|
| typosquat | typosquat.levenshtein:qs | AI (typosquat): False positive: @sindresorhus/is is a well-known scoped package by Sindre Sorhus. Edit-distance comparison to 'qs' is meaningless for scoped packages. | ai | |
| typosquat | typosquat.levenshtein:pg | AI (typosquat): False positive: @sindresorhus/is is a well-known scoped package by Sindre Sorhus. Edit-distance comparison to 'pg' is meaningless for scoped packages. | ai | |
| provenance | no-provenance | AI (provenance): Sindre Sorhus is a highly trusted publisher with 174 packages; lack of provenance attestation is not a meaningful risk signal here. | ai |
Versions (showing 5 of 5)
| Version | Deps | Published |
|---|---|---|
| 8.1.0 | 0 / 12 | |
| 8.0.0 | 0 / 12 | |
| 7.2.0 | 0 / 14 | |
| 7.1.1 | 0 / 14 | |
| 4.6.0 | 0 / 16 |
v8.1.0
1 finding
INFO
No provenance attestation
provenance
[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.