is-empty
Check whether a value is "empty".
Supply chain provenance
Status for the latest visible version.
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
Keywords
Accepted risks
Findings the reviewer chose to accept rather than block on.
| Source | Rule | Reason | Accepted by | When |
|---|---|---|---|---|
| provenance | no-provenance | AI (provenance): Established 12+ year old package from a known publisher; lack of provenance attestation is expected for packages predating Sigstore adoption. | ai |
Versions (showing 5 of 5)
| Version | Deps | Published |
|---|---|---|
| 1.2.0 | 0 / 1 | |
| 1.1.0 | 0 / 1 | |
| 1.0.0 | 0 / 2 | |
| 0.1.0 | 0 / 2 | |
| 0.0.1 | 0 / 2 |
v1.2.0
2 findingsMaintainer email '[email protected]' uses domain 'calv.info' which has no DNS records. An attacker could register this domain to hijack the maintainer identity.
Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.
v1.1.0
1 finding[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.
v1.0.0
1 finding[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.
v0.1.0
1 finding[Accepted risk] Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.
v0.0.1
1 finding[Accepted risk] Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.