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babel-helper-flip-expressions

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## Installation

11
Versions
MIT
License
No
Install Scripts
Missing
Provenance

Supply chain provenance

Status for the latest visible version.

No SLSA provenance npm registry signatures No source commit

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

babeljsboopathihzoologanfsmythvignesh.shanmugam

Keywords

babel-plugin

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance publisher-changed AI (provenance): Legitimate maintainer transition within the Babel org from kangax to boopathi, both well-known Babel contributors. Occurred in 2017. ai
maintainer-change maintainer-added AI (maintainer-change): vignesh.shanmugam (boopathi) is a known Babel contributor; legitimate org transition. ai
maintainer-change maintainer-removed AI (maintainer-change): Removal of amasad and kangax reflects normal Babel project maintainer rotation. ai
provenance no-provenance AI (provenance): Published in 2017, before Sigstore/provenance existed. Expected for this era of packages. ai

Versions (showing 11 of 11)

Version Deps Published
0.4.3 0 / 0
0.4.2 0 / 0
0.4.1 0 / 0
0.4.0 0 / 0
0.3.0 0 / 0
0.2.0 0 / 0
0.1.2 0 / 0
0.1.1 0 / 0
0.1.0 0 / 0
0.0.2 0 / 0
0.0.1 0 / 0

v0.4.3

1 finding
LOW No provenance attestation provenance

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

v0.4.2

1 finding
LOW No provenance attestation provenance

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

v0.4.1

1 finding
LOW No provenance attestation provenance

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

v0.4.0

1 finding
LOW No provenance attestation provenance

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

v0.3.0

1 finding
LOW No provenance attestation provenance

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

v0.2.0

1 finding
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. Consider requesting the maintainer enable provenance via CI/CD.

v0.1.1

2 findings
HIGH Publisher changed: kangax → boopathi (on 2017-05-22) provenance

This version was published by a different npm account than previous versions on 2017-05-22. 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.

v0.1.0

2 findings
HIGH Publisher changed: kangax → boopathi (on 2017-05-22) provenance

This version was published by a different npm account than previous versions on 2017-05-22. 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.

v0.0.2

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.

v0.0.1

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.