react-app-polyfill MIT 2 versions

react-app-polyfill

npm Repository Homepage

Polyfills for various browsers including commonly used language features

Versions

MIT

License

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

gaearonfbtimeriansuianschmitz

Accepted risks

Findings the reviewer chose to accept rather than block on.

Source	Rule	Reason	Accepted by	When
provenance	no-provenance	AI (provenance): Package predates widespread Sigstore provenance adoption; published by a known CRA maintainer from the official facebook/create-react-app repo.	ai	2026/04/21

Versions (showing 2 of 2)

Version	Deps	Published
3.0.0	6 / 0	2021-12-14
1.0.6	6 / 0	2020-01-31

v1.0.6

1 finding

INFO No provenance attestation provenance

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