Is Metro Source Map Safe?
Metro Source Map — Nerq Trust Score 82.8/100 (A- grade). Based on analysis of 2 trust dimensions, it is considered safe to use. Last updated: 2026-07-30.
Yes, Metro Source Map is safe to use. Metro Source Map is a npm package (🚇 Source map generator for Metro) with a Nerq Trust Score of 82.8/100 (A-), based on 3 independent data dimensions. Recommended for production use. Security: 90/100. Popularity: 100/100. Data sourced from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-07-27. Machine-readable data (JSON).
Is Metro Source Map safe?
YES — Metro Source Map has a Nerq Trust Score of 82.8/100 (A-). It meets Nerq's trust threshold with strong signals across security, maintenance, and community adoption. Recommended for production use — review the full report below for specific considerations.
What is Metro Source Map's trust score?
Metro Source Map has a Nerq Trust Score of 82.8/100, earning a A- grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Metro Source Map?
Metro Source Map's strongest signal is popularity at 100/100. No known vulnerabilities have been detected. It meets the Nerq Verified threshold of 70+.
What is Metro Source Map and who maintains it?
| Author | fb |
| Category | npm Packages |
| Source | N/A |
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Safety Guide: Metro Source Map
What is Metro Source Map?
Metro Source Map is a Node.js package — 🚇 Source map generator for Metro..
How to Verify Safety
Run npm audit to check for vulnerabilities. Review the package's GitHub repository for recent commits.
You can also check the trust score via API: GET /v1/preflight?target=metro-source-map
Key Safety Concerns for Node.js package
When evaluating any Node.js package, watch for: dependency vulnerabilities, malicious packages, typosquatting.
Trust Assessment
Metro Source Map has a Nerq Trust Score of 83/100 (A-) and meets Nerq trust threshold. This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- Metro Source Map has a Trust Score of 83/100 (A-).
- Recommended for use — passes trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Maintenance | 90/100 |
| Popularity | 100/100 |
| Quality | 80/100 |
| Community | 45/100 |
Based on 5 dimensions. Data from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard.
What data does Metro Source Map collect?
Metro Source Map is a Node.js package maintained by fb. It receives approximately 12,917,396 weekly downloads. Licensed under MIT.
As a development package, Metro Source Map does not directly collect end-user personal data. However, applications built with it may collect data depending on implementation. Privacy score: 80/100.
Review the package's dependencies for potential supply chain risks. Run your package manager's audit command regularly.
Full analysis: Metro Source Map Privacy Report · Privacy review
Is Metro Source Map secure?
Security score: 90/100. Metro Source Map has 0 known vulnerabilities (CVEs) in the National Vulnerability Database. This is a clean record.
Licensed under MIT, allowing code inspection. Open-source packages allow independent security review of the source code.
Run your package manager's audit command (`npm audit`, `pip audit`, `cargo audit`) to check for known vulnerabilities in your dependency tree.
Full analysis: Metro Source Map Security Report
How we calculated this score
Metro Source Map's trust score of 82.8/100 (A-) is computed from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. The score reflects 5 independent dimensions: security (90/100), maintenance (90/100), popularity (100/100), quality (80/100), community (45/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
This page was last reviewed on July 30, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
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Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.