jsbi
JSBI is a pure-JavaScript implementation of [the ECMAScript BigInt proposal](https://tc39.es/proposal-bigint/), which officially became a part of the JavaScript language in ES2020.
2
Versions
Apache-2.0
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
mathiasjakob.kummerowgoogle-wombot
Accepted risks
Findings the reviewer chose to accept rather than block on.
| Source | Rule | Reason | Accepted by | When |
|---|---|---|---|---|
| typosquat | typosquat.levenshtein:joi | AI (typosquat): JSBI is a well-known Google Chrome Labs package (JavaScript BigInt implementation); the name similarity to 'joi' is coincidental and not a typosquat. | ai |
v4.3.0
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.