Is Expect Safe?

Expect — Nerq Trust Score 87.5/100 (A grade). Based on analysis of 2 trust dimensions, it is considered safe to use. Last updated: 2026-03-31.

Yes, Expect is safe to use. Expect is a Node.js package with a Nerq Trust Score of 87.5/100 (A), based on 3 independent data dimensions. It is 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: 2026-03-31. Machine-readable data (JSON).

Is Expect safe?

YES — Expect has a Nerq Trust Score of 87.5/100 (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.

Security Analysis → {name} Privacy Report →

What is Expect's trust score?

Expect has a Nerq Trust Score of 87.5/100, earning a A grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.

Security
90
Popularity
100

What are the key security findings for Expect?

Expect's strongest signal is popularity at 100/100. No known vulnerabilities have been detected. It meets the Nerq Verified threshold of 70+.

Security score: 90/100 (strong)
Popularity: 100/100 — community adoption

What is Expect and who maintains it?

Authorantfu
Categorynpm
SourceN/A

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Safety Guide: Expect

What is Expect?

Expect is a Node.js package — Jest's expect matchers as a Chai plugin.

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=@vitest/expect

Key Safety Concerns for Node.js packages

When evaluating any Node.js package, watch for: dependency vulnerabilities, malicious packages, typosquatting.

Trust Assessment

Expect has a Nerq Trust Score of 88/100 (A) and meets Nerq trust threshold. This score is based on automated analysis of security, maintenance, community, and quality signals.

Key Takeaways

Detailed Score Analysis

DimensionScore
Security90/100
Privacy80/100
Reliability90/100
Transparency85/100
Maintenance60/100

Based on 5 dimensions. Data from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard.

What data does Expect collect?

Expect is a Node.js package maintained by antfu. It receives approximately 42,272,665 weekly downloads. Licensed under MIT.

As a development package, Expect 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: Expect Privacy Report · Privacy review

Is Expect secure?

Security score: 90/100. Expect 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: Expect Security Report

How we calculated this score

Expect's trust score of 87.5/100 (A) is computed from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. The score reflects 5 independent dimensions: security (90/100), privacy (80/100), reliability (90/100), transparency (85/100), maintenance (60/100). 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 March 31, 2026. Data version: 1.0.

Full methodology documentation · Machine-readable data (JSON API)

Frequently Asked Questions

Is Expect safe to use?
Yes, it is safe to use. @vitest/expect has a Nerq Trust Score of 87.5/100 (A). Strongest signal: popularity (100/100). Score based on security (90/100), popularity (100/100).
What is Expect's trust score?
@vitest/expect: 87.5/100 (A). Score based on: security (90/100), popularity (100/100). Scores update as new data becomes available. API: GET nerq.ai/v1/preflight?target=@vitest/expect
What are safer alternatives to Expect?
In the npm category, more Node.js packages are being analyzed — check back soon. @vitest/expect scores 87.5/100.
Does Expect have known vulnerabilities?
Nerq checks Expect against NVD, OSV.dev, and registry-specific vulnerability databases. Current security score: 90/100. Run your package manager's audit command for the latest findings.
How actively maintained is Expect?
Expect has a trust score of 87.5/100 (A). Meets Nerq Verified threshold.
API: /v1/preflight Trust Badge API Docs

Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.