leonardomso/33-js-concepts

58.7

Adequate · 25 September 2026

357

lines of production code

JavaScript

primary language

4

measurements over time

What this system is

Features

Added project governance and testing infrastructure

The repository now includes a Contributor Covenant Code of Conduct (CODE\_OF\_CONDUCT.md) to establish community standards and enforcement guidelines. Additionally, a CONTRIBUTING.md file was added to document the process for translations and code contributions, and a Vitest test runner configuration (vitest.config.js) was introduced to support automated testing of code examples.

(repo-wide) · high confidence

Test coverage

Add comprehensive tests for object-oriented factories and classes; Add error handling tests; Added automated tests for memory performance concepts; Added browser storage concept tests; Added comprehensive test coverage for JavaScript fundamentals; Added comprehensive test suites for DOM and HTTP/Fetch concepts; Added comprehensive test suites for async/await, event loop, generators, IIFE/modules, and promises; Added comprehensive tests for event handling concepts; Added functional programming tests for currying and composition; Added test coverage for language mechanics: hoisting, strict mode, and temporal dead zone; Added test coverage for modern syntax operators; Added tests for JavaScript type nuances; Added tests for Modern JavaScript ES6+ syntax concepts; Added tests for algorithms and Big O complexity concepts; Added tests for async JavaScript callbacks and DOM event handling; Added tests for map, reduce, and filter functions; Added tests for object creation and prototype chain concepts; Added tests for object properties and methods; Added tests for object-oriented inheritance and polymorphism concepts; Added tests for observer API concept pages.

Dependencies

Initialize project with Vitest test suite and dependencies

The project now includes a complete package configuration and lockfile, establishing a Node.js environment with Vitest v4.1.8 for running tests, along with jsdom v27.4.0 for DOM simulation. This adds the necessary tooling to execute the new test suite for JavaScript concepts.

(dependencies) · high confidence

Written by watchdog.canine.dev from the codebase's own history, inside the signed delivery this page is composed from.

How this codebase got here

This is the PUBLIC form of this artifact. Findings are listed in full, but the details of SECURITY findings — which rule fired, in which file, on which line, and how to fix it — are deliberately withheld, and any secret-scanner results are excluded entirely. Where detail is absent here it was REMOVED FOR PUBLICATION; it is not missing from the analysis. The complete artifact is available from the repository owner.

Score

CAI 44 → 59 (+15.1)
Rubric changed (rubric-2026.08.15 → rubric-2026.09.15) — scores are not directly comparable.

Lenses

Code Health 61 → 70 (+8.5)
Architecture 69 (new)
Maturity 54 → 54 (+0.0)
Readiness 25 → 53 (+28.0)
Security 89 → 94 (+5.8)

Resolved (12)

Dimension evaluation failed
FileTooLong: algorithms-big-o/algorithms-big-o.test.js (tests/advanced-topics/algorithms-big-o/algorithms-big-o.test.js)
High CVE: [GHSA redacted] (package-lock.json)
High CVE: [GHSA redacted] (package-lock.json)
High: security finding (details withheld)
High: security finding (details withheld)
Medium CVE: [GHSA redacted] (package-lock.json)
Medium CVE: [GHSA redacted] (package-lock.json)
No automated tests
No exposed public API
No tests found
Test reliability not included

New (26)

Coverage not measured — JavaScript/TypeScript suite
Dependency hygiene PARTLY measured — npm pinning read, dependency currency not (the committed lockfile resolved no direct production dependency)
Documentation: no installation or build instructions (README.md)
Documentation: no usage examples (README.md)
High CVE: [GHSA redacted] (package-lock.json)
High CVE: [GHSA redacted] (package-lock.json)
High CVE: [GHSA redacted] (package-lock.json)
High: security finding (details withheld)
High: security finding (details withheld)
Medium CVE: [GHSA redacted] (package-lock.json)
Medium CVE: [GHSA redacted] (package-lock.json)
No dependency advisory monitoring
Skipped (documented): (unnamed test) (tests/beyond/language-mechanics/hoisting/hoisting.test.js)
Skipped (documented): (unnamed test) (tests/beyond/language-mechanics/hoisting/hoisting.test.js)
Skipped (documented): (unnamed test) (tests/beyond/language-mechanics/hoisting/hoisting.test.js)
Skipped (documented): (unnamed test) (tests/beyond/language-mechanics/hoisting/hoisting.test.js)
Skipped (documented): (unnamed test) (tests/beyond/language-mechanics/temporal-dead-zone/temporal-dead-zone.test.js)
Skipped (documented): (unnamed test) (tests/beyond/language-mechanics/temporal-dead-zone/temporal-dead-zone.test.js)
Skipped (documented): (unnamed test) (tests/beyond/language-mechanics/temporal-dead-zone/temporal-dead-zone.test.js)
Skipped (documented): (unnamed test) (tests/functions-execution/async-await/async-await.test.js)
…and 6 more

Written by watchdog.canine.dev from the codebase's own history, inside the signed delivery this page is composed from.

Survey your own repository

leonardomso/33-js-concepts was measured the same way every project in this corpus was: the same rubric, at a pinned commit, with the result published in full. Point a surveyor at a repository you know and see whether you agree with it.

About this page

The score is its most recent published measurement, taken on 25 September 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
Measured at commit 16d0d95c02b19df6a8c841f1a0012d7b7367a340 — the exact code this score is about.
Scored under rubric-2026.09.15 — the same rubric and the same method as every other entry in this index.
Measured by watchdog.canine.dev using codehealth-analyzer preprod-dd72cc24c749.