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is-online

4
Versions
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

browseronlineofflineis-onlinenetworkconnectedconnectivityinternetishasdetecthostnamehostnamesdnssocketreachablereachabilityaccessiblenodisconnected

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
maintainer-change maintainer-removed AI (maintainer-change): silverwind moved to contributors; sindresorhus remains sole publisher, consistent with package history. ai
provenance no-provenance AI (provenance): sindresorhus publishes many packages without provenance; not a risk signal for this publisher. ai
semgrep semgrep:shady-links-raw-ip AI (semgrep): 1.1.1.1 is Cloudflare's public DNS/connectivity endpoint; using it as a connectivity check is intentional and documented. ai
source-diff source-size-tripled AI (source-diff): Size increase reflects a major version rewrite (got → fetch API); no injected payload. ai

Versions (showing 4 of 4)

Version Deps Published
12.0.2 4 / 2
12.0.1 4 / 2
12.0.0 4 / 2
10.0.0 4 / 3

v12.0.2

1 finding
LOW No provenance attestation provenance

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

v12.0.1

1 finding
LOW No provenance attestation provenance

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

v12.0.0

1 finding
LOW No provenance attestation provenance

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

v10.0.0

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.