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is-object

Checks whether a value is an object

4
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

ljharbraynos

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance publisher-changed AI (provenance): Raynos → ljharb is a documented, legitimate maintainer transfer; repo URL and contributors field both reflect ljharb ownership. Stable for this package. ai
maintainer-change maintainer-added AI (maintainer-change): ljharb and mattesch were added as part of the same legitimate ownership transfer; no compromise indicators. Stable for this package. ai

Versions (showing 4 of 4)

Version Deps Published
1.0.2 0 / 7
1.0.1 0 / 3
1.0.0 0 / 3
0.1.2 0 / 4

v1.0.2

1 finding
LOW No provenance attestation provenance

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

v1.0.1

2 findings
HIGH Publisher changed: raynos → ljharb (on 2014-09-02) provenance

This version was published by a different npm account than previous versions on 2014-09-02. This could indicate a legitimate maintainer transition or an account compromise.

LOW No provenance attestation provenance

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

v1.0.0

2 findings
HIGH Publisher changed: raynos → ljharb (on 2014-08-19) provenance

This version was published by a different npm account than previous versions on 2014-08-19. This could indicate a legitimate maintainer transition or an account compromise.

LOW No provenance attestation provenance

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

v0.1.2

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.