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A JavaScript object inheritance utility.

17
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

kevinconway

Keywords

classclassesinheritinheritsinheritancemixinmix-in

Versions (showing 17 of 17)

Version Deps Published
4.2.3 0 / 14
4.2.0 0 / 13
4.1.2 0 / 13
4.1.1 0 / 13
4.1.0 0 / 11
4.0.2 0 / 10
4.0.1 0 / 10
4.0.0 0 / 10
3.2.0 0 / 0
3.1.0 0 / 0
3.0.0 0 / 0
2.0.0 0 / 0
1.0.4 0 / 0
1.0.2 0 / 0
1.0.1 0 / 0
1.0.0 0 / 0
0.9.0 0 / 0

v4.2.3

1 finding
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Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v4.2.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v4.1.2

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v4.1.1

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v4.1.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v4.0.2

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v4.0.1

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v4.0.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.2.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.1.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v3.0.0

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.