proto — Greenflagged

A prototype-based inheritance library that makes it easy to create objects and inheritance hierarchies without losing the power of javascript's prototype system.

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

fresheneesz

Keywords

classinheritanceprototypejavascriptsuperclassparentchildinherit

Accepted risks

Findings the reviewer chose to accept rather than block on.

Source	Rule	Reason	Accepted by	When
semgrep	semgrep:new-function-constructor	AI (semgrep): new Function() is used to generate named constructor functions for better stack traces — a well-known, legitimate pattern in prototype/class inheritance libraries. Stable for this package.	ai	2026/04/23

Versions (showing 4 of 4)

Version	Deps	Published
1.0.19	0 / 2	2015-03-03
1.0.14	0 / 2	2015-02-23
1.0.13	0 / 2	2015-02-23
0.1.0	0 / 0	2013-09-11

v1.0.19

2 findings

HIGH Unclaimed maintainer email domain: gmailc.om email-domain

Maintainer email '[email protected]' uses domain 'gmailc.om' which has no DNS records. An attacker could register this domain to hijack the maintainer identity.

LOW No provenance attestation provenance

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

v1.0.14

2 findings

HIGH Unclaimed maintainer email domain: gmailc.om email-domain

Maintainer email '[email protected]' uses domain 'gmailc.om' which has no DNS records. An attacker could register this domain to hijack the maintainer identity.

LOW No provenance attestation provenance

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

v1.0.13

2 findings

HIGH Unclaimed maintainer email domain: gmailc.om email-domain

Maintainer email '[email protected]' uses domain 'gmailc.om' which has no DNS records. An attacker could register this domain to hijack the maintainer identity.

LOW No provenance attestation provenance

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

v0.1.0

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.