custom-event-polyfill MIT 1 versions

custom-event-polyfill

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A polyfill for creating CustomEvents on IE9+ if the native implementation is missing.

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

krambuhl

Keywords

polyfillcustom-eventCustomEventWeb API Interface

Versions (showing 1 of 1)

Version	Deps	Published
1.0.7	0 / 13	2019-04-08

v1.0.7

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.