systemjs
Dynamic ES module loader
100
Versions
MIT
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
joeldenningguybedford
Accepted risks
Findings the reviewer chose to accept rather than block on.
| Source | Rule | Reason | Accepted by | When |
|---|---|---|---|---|
| source-diff | obfuscated-file:dist/system-node.cjs | AI (source-diff): dist/system-node.cjs is a legitimate webpack/ncc bundle of the SystemJS Node.js build. The 'obfuscation' is standard webpack boilerplate, not malicious code. | ai | |
| source-diff | net-exec-file:dist/system-node.cjs | AI (source-diff): SystemJS is a dynamic module loader by design — network fetching and dynamic code execution are its core functionality, not malware indicators. | ai | |
| source-diff | source-size-tripled | AI (source-diff): Size increase is explained by the addition of a ncc-bundled Node.js distribution artifact (system-node.cjs), a legitimate architectural change. | ai | |
| provenance | publisher-changed | AI (provenance): guybedford is the original author of systemjs; the transition from joeldenning back to guybedford is a legitimate maintainer change, not a compromise. | ai |
Versions (showing 100 of 226)
| Version | Deps | Published |
|---|---|---|
| 0.20.5 | 0 / 15 | |
| 0.20.4 | 0 / 15 | |
| 0.20.3 | 0 / 15 | |
| 0.20.2 | 0 / 14 | |
| 0.20.1 | 0 / 14 | |
| 0.20.0 | 0 / 14 | |
| 0.19.47 | 1 / 5 | |
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| 0.12.1 | 1 / 3 | |
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| 0.11.3 | 1 / 2 | |
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| 0.11.1 | 1 / 2 | |
| 0.11.0 | 1 / 2 | |
| 0.10.2 | 1 / 2 | |
| 0.10.1 | 1 / 2 |
Showing 100 of 226
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