microsoft/monaco-editor

Executive summary

microsoft/monaco-editor scores 50 out of 100, but it is rated At risk while a critical security finding is open; the score itself is unchanged. The project hasn't declared a stable release yet, so its lenses are rated against a lower bar than a released product's, while the score itself is worked out as for any repository.

The weakest lens counts most in the score, and here that is Accessibility, which scores 43 and is rated Weak. Its Forms & labels dimension scores 3.7 out of 10, and until that reaches 4, Accessibility can't be rated higher than Adequate. The first actions are to adopt pino (or winston) and log at meaningful points in the services you run and to give every control a programmatic label (a <label for> / wrapping <label> / aria-label) and every button text — a placeholder is not a label, and if Accessibility rose to 70, the score would rise from 50 to about 55.

29 findings are critical: 12 in Dependency Vulnerabilities, seven in Secrets (history), four in Static Analysis (SAST), three in Forms & labels and three in Page structure.

Watchdog couldn't measure 5 dimensions in this code, among them Cyclomatic Complexity, Cognitive Complexity and Navigability, so they are left out of the score. The product code is 51,050 lines, which would take an estimated 0.9 person-years, around €130,000, to rebuild.

Code Health 64 Adequate Architecture 90 Adequate, capped by Project Cohesion Maturity 58 Adequate, capped by Architecture documentation Production Readiness 45 Adequate, capped by Observability, Security & performance tooling and Outbound HTTP resilience Security and Compliance 65 Adequate, capped by Secrets (history), Static Analysis (SAST), Dependency Vulnerabilities and Supply-chain Provenance & Signing Accessibility 43 Weak, capped by Forms & labels and Page structure Performance 100 ★ Exemplary

A lens is capped at Adequate while one of its dimensions scores below 4 out of 10, however well the rest of the lens does. That way a serious problem in one place always shows in the lens's rating.

How the score is built: what each lens counts for The lenses don't count equally. The weakest lens counts most, the next weakest a little less, and so on, so a weak area pulls the score down instead of being averaged away. In the bar below, each part's width shows how much that lens counts and its colour shows its rating. Improving the widest part moves the score most, and as that lens improves, it counts for less, because another lens becomes the weakest.

Accessibility 43 · counts for 46%Production Readiness 45 · counts for 25%Maturity 58 · counts for 14%Code Health 64 · counts for 8%Security and Compliance 65 · counts for 4%Architecture 90 · counts for 2%Performance 100 · counts for 1%

If Accessibility rose from 43 to 70, the lowest score rated Strong, the score would rise from 50 to about 55.

Code composition: what the lines of code are

Product code 41%Tests 59%

New since the last survey: 28 findings

These 28 critical or serious findings weren't in the previous survey, on 10 October 2026.

Dependency Hygiene · Deprecated: glob package.json
Dependency Hygiene · Deprecated: glob webpack-plugin/package.json
Secrets (history) · REDACTED
Secrets (history) · REDACTED
Secrets (history) · REDACTED
Secrets (history) · REDACTED
Secrets (history) · REDACTED
Secrets (history) · REDACTED
Secrets (history) · REDACTED
Static Analysis (SAST) · REDACTED
Static Analysis (SAST) · REDACTED
Static Analysis (SAST) · REDACTED
Dependency Vulnerabilities · REDACTED
Dependency Vulnerabilities · REDACTED
Dependency Vulnerabilities · REDACTED
Dependency Vulnerabilities · REDACTED
Dependency Vulnerabilities · REDACTED
Dependency Vulnerabilities · REDACTED
Dependency Vulnerabilities · REDACTED
Supply-chain Provenance & Signing · REDACTED
Web-Security Posture · Weak hash algorithm build/amd/src/loader.js
Web-Security Posture · Weak hash algorithm build/amd/src/loader.js
Exception handling · Swallowed exception (empty catch) webpack-plugin/src/index.ts
Exception handling · Swallowed exception (empty catch) webpack-plugin/src/index.ts
Incompleteness & stubs · Guard cannot change the result — returns what the code already falls through to monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts
Incompleteness & stubs · Markup wires an event to an empty handler website/src/website/pages/home/Home.tsx
Incompleteness & stubs · Fake-async — async method never awaits website/src/website/pages/playground/getNpmVersionsSync.ts
Visual & motion safety · Animation without a prefers-reduced-motion guard website/src/runner/style.scss

Watchdog compares every finding with the previous survey's. A finding that has only moved to another line in the same file counts as the same finding, so only new findings appear here. Advisory notes from the AI model are left out, because the model words them afresh in every survey.

Fixed since the last survey: 47 findings

These 47 critical or serious findings were in the previous survey, on 10 October 2026, and are gone from this one.

Dependency Vulnerabilities · High CVE: [GHSA redacted] REDACTED
Dependency Vulnerabilities · High CVE: [GHSA redacted] REDACTED
Dependency Vulnerabilities · Medium CVE: [GHSA redacted] REDACTED
Dependency Vulnerabilities · Medium CVE: REDACTED REDACTED
Dependency Vulnerabilities · Medium CVE: REDACTED REDACTED
Supply-chain Provenance & Signing REDACTED
Code Duplication · Duplicated block (14 lines × 2 locations) src/languages/features/typescript/tsWorker.ts
Code Duplication · Duplicated block with local edits (13 matched lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspRenameFeature.ts
Code Duplication · Duplicated block with local edits (13 matched lines × 2 locations) scripts/ci/build-monaco-editor-core-pkg.ts
Code Duplication · Duplicated block (13 lines × 2 locations) src/languages/definitions/bicep/bicep.ts
Code Duplication · Duplicated block (12 lines × 2 locations) monaco-lsp-client/generator/index.ts
Code Duplication · Duplicated block (11 lines × 20 locations) monaco-lsp-client/src/adapters/languageFeatures/LspCodeActionFeature.ts
Code Duplication · Duplicated block with local edits (11 matched lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspDiagnosticsFeature.ts
Code Duplication · Duplicated block (10 lines × 2 locations) src/languages/definitions/mysql/keywords.js
Code Duplication · Duplicated block (10 lines × 2 locations) src/languages/features/common/lspLanguageFeatures.ts
Code Duplication · Duplicated block (10 lines × 3 locations) src/languages/features/css/cssMode.ts
Code Duplication · Duplicated block (10 lines × 4 locations) src/languages/features/typescript/languageFeatures.ts
Code Duplication · Duplicated block (10 lines × 3 locations) src/languages/features/typescript/languageFeatures.ts
Code Duplication · Duplicated block (9 lines × 2 locations) monaco-lsp-client/src/adapters/TextDocumentSynchronizer.ts
Code Duplication · Duplicated block (9 lines × 2 locations) scripts/ci/build-monaco-editor-pkg.ts
Code Duplication · Duplicated block (9 lines × 4 locations) src/languages/features/common/lspLanguageFeatures.ts
Code Duplication · Duplicated block (9 lines × 2 locations) src/languages/features/common/lspLanguageFeatures.ts
Code Duplication · Duplicated block (9 lines × 3 locations) src/languages/features/css/cssWorker.ts
Code Duplication · Duplicated block (9 lines × 3 locations) src/languages/features/typescript/languageFeatures.ts
Code Duplication · Duplicated block (9 lines × 2 locations) src/languages/features/typescript/languageFeatures.ts
Code Duplication · Duplicated block (8 lines × 3 locations) monaco-lsp-client/generator/index.ts
Code Duplication · Duplicated block (8 lines × 4 locations) src/languages/features/html/htmlWorker.ts
Code Duplication · Duplicated block (7 lines × 2 locations) monaco-lsp-client/generator/index.ts
Code Duplication · Duplicated block (7 lines × 2 locations) monaco-lsp-client/generator/index.ts
Code Duplication · Duplicated block (6 lines × 3 locations) monaco-lsp-client/generator/index.ts
Code Duplication · Duplicated block (6 lines × 2 locations) src/languages/features/typescript/languageFeatures.ts
Test Coverage · This test file cannot be loaded test/smoke/package-esbuild.ts
Tooling · The declared test suite includes a file that cannot be loaded test/smoke/package-esbuild.ts
Slice cohesion · Cross-slice coupling: css → json src/languages/features/css/register.ts
Slice cohesion · Cross-slice coupling: html → css src/languages/features/html/htmlWorker.ts
Slice cohesion · Cross-slice coupling: html → css src/languages/features/html/htmlWorker.ts
Slice cohesion · Cross-slice coupling: html → css src/languages/features/html/workerManager.ts
Slice cohesion · Cross-slice coupling: html → css src/languages/features/html/register.ts
Slice cohesion · Cross-slice coupling: html → css src/languages/features/html/register.ts
Slice cohesion · Cross-slice coupling: html → css src/languages/features/html/register.ts
Slice cohesion · Cross-slice coupling: json → css src/languages/features/json/workerManager.ts
Slice cohesion · Cross-slice coupling: json → css src/languages/features/json/register.ts
Slice cohesion · Cross-slice coupling: json → css src/languages/features/json/register.ts
Slice cohesion · Cross-slice coupling: typescript → css src/languages/features/typescript/workerManager.ts
Slice cohesion · Cross-slice coupling: typescript → css src/languages/features/typescript/languageFeatures.ts
Slice cohesion · Cross-slice coupling: typescript → css src/languages/features/typescript/register.ts
Slice cohesion · Cross-slice coupling: typescript → json src/languages/features/typescript/register.ts

Rebuild cost: about €130,000 · Estimate

Cost to rebuild	€42,000 to €210,000, for 700 to 2,220 hours of work, about 0.9 person-years for 1 to 2 engineers
Difficulty of the problem	Standard, judged from the kind of software and how it is built. Code that solves a harder problem, such as payments or medical bookings, costs more per line to write.
Quality factor	×0.7 at a score of 50. Better code takes more work to write, so the factor is ×1.0 at a score of 70, lower below it and higher above it.
Size	Medium: 51,050 lines of product code

How the estimate is made: Watchdog prices the hours a team would need to write this code again, at €60 to €95 an hour. Declarations and boilerplate are priced at a fast rate and logic at a slower one, and the logic is then multiplied by the difficulty of the problem and by the quality factor. The estimate can be about 30% off either way, and it moves most with the hourly rate and the difficulty. For this code, every line is priced as straight logic, which keeps the estimate on the low side.

Top priorities

The three actions that raise the score most for the work they take. The full ranked list is in the Roadmap.

Adopt pino (or winston) and log at meaningful points in the services you run.

Raises the score by about 4 points · Medium effort · Observability

Give every control a programmatic label (a <label for> / wrapping <label> / aria-label) and every button text — a placeholder is not a label.

Raises the score by about 3 points · Medium effort · Forms & labels

Declare <html lang>, a document <title> and a <main> landmark, keep headings in order, leave zoom enabled, title iframes and drop meta-refresh.

Raises the score by about 3 points · Medium effort · Page structure

Diagnosis: what the measurements show together

Each conclusion below combines several dimensions into one point that no single dimension shows, and lists the measurements it rests on.

Where the investment is most exposed · Value at risk

This code would cost about €130,000 to build again, about 0.9 person-years of work. Its weakest lens is Accessibility, at 43 (Weak). Accessibility is about whether the interface is built so that everyone can use it, including people who can't see the screen or can't use a mouse. Because the weakest lens counts most in the score, work on Accessibility also moves the score most.

Based on: the rebuild estimate · the Accessibility grade · how much each lens counts

What to do: Start with the Accessibility actions in Top priorities.

If you do one thing first · First action

Adopt pino (or winston) and log at meaningful points in the services you run. Of all the actions in this report, it raises the score most for the work it takes: about 4 points for medium effort. The next survey will show the change in the score.

Based on: the ranked actions in Top priorities, by score gain and effort

Architecture: which parts of the code depend on which

The code is divided into modules, groups of code that each handle one part of the product, and a module depends on another when it uses code from it. The table lists the modules both down the side and across the top, in an order where each module should only use modules listed above it. A number in a cell means the module on that row uses the module in that column, and it counts the pairs of building blocks (types) that connect them. The one thing to look for is a mark above the diagonal line. It means two or more modules use each other in a loop (a dependency cycle), so none of them can be changed, tested or released on its own.

148 modules, with 173 dependencies between them. Every module uses only modules listed above it, so there are no loops.

The table shows the 40 modules with the most connections; 108 more are left out to keep it readable.

Which modules use which. The module on each row uses the module in each column, and the number counts the pairs of types that connect them. A cell above the diagonal is part of a loop.
uses →	1 monaco-lsp-client.src.types	2 monaco-lsp-client.src.utils	3 website.src.monaco-loader	4 monaco-lsp-client.src.adapters.ITextModelBridge	5 monaco-lsp-client.src.adapters.LspCapabilitiesRegistry	6 src.languages.features.css.register	7 website.src.shared	8 website.src.website.pages.playground.SettingsModel	10 monaco-lsp-client.src.adapters.LspConnection	11 monaco-lsp-client.src.adapters.TextDocumentSynchronizer	12 src.languages.features.css.cssWorker	35 src.languages.features.html.htmlWorker	36 src.languages.features.json.jsonWorker	37 src.languages.features.typescript.tsWorker
1 monaco-lsp-client.src.types
2 monaco-lsp-client.src.utils
3 website.src.monaco-loader
4 monaco-lsp-client.src.adapters.ITextModelBridge	3
5 monaco-lsp-client.src.adapters.LspCapabilitiesRegistry	9	3
6 src.languages.features.css.register	1
7 website.src.shared			1
8 website.src.website.pages.playground.SettingsModel			2
9 website.src.website.utils.ObservableHistory		1
10 monaco-lsp-client.src.adapters.LspConnection				1	1
11 monaco-lsp-client.src.adapters.TextDocumentSynchronizer	3	2		1	1
12 src.languages.features.css.cssWorker	4					3
13 website.src.website.pages.playground.PlaygroundModel			2				2	1
14 monaco-lsp-client.src.adapters.LspClient		1			1				1	1
15 monaco-lsp-client.src.adapters.languageFeatures	19			1					4
16 monaco-lsp-client.src.adapters.languageFeatures.LspCodeActionFeature	4	1							2
17 monaco-lsp-client.src.adapters.languageFeatures.LspCodeLensFeature	3	1							2
18 monaco-lsp-client.src.adapters.languageFeatures.LspCompletionFeature	5	1							2
19 monaco-lsp-client.src.adapters.languageFeatures.LspDeclarationFeature	2	1							2
20 monaco-lsp-client.src.adapters.languageFeatures.LspDefinitionFeature	2	1							2
21 monaco-lsp-client.src.adapters.languageFeatures.LspDiagnosticsFeature	4	3							2
22 monaco-lsp-client.src.adapters.languageFeatures.LspDocumentHighlightFeature	2	1							2
23 monaco-lsp-client.src.adapters.languageFeatures.LspDocumentLinkFeature	1	1							2
24 monaco-lsp-client.src.adapters.languageFeatures.LspDocumentSymbolFeature	1	1							2
25 monaco-lsp-client.src.adapters.languageFeatures.LspFoldingRangeFeature	1	1							2
26 monaco-lsp-client.src.adapters.languageFeatures.LspFormattingFeature	2	1							2
27 monaco-lsp-client.src.adapters.languageFeatures.LspHoverFeature	2	1							2
28 monaco-lsp-client.src.adapters.languageFeatures.LspImplementationFeature	2	1							2
29 monaco-lsp-client.src.adapters.languageFeatures.LspInlayHintsFeature	3	1							2
30 monaco-lsp-client.src.adapters.languageFeatures.LspOnTypeFormattingFeature	3	1							2
31 monaco-lsp-client.src.adapters.languageFeatures.LspRangeFormattingFeature	3	1							2
32 monaco-lsp-client.src.adapters.languageFeatures.LspReferencesFeature	3	1							2
33 monaco-lsp-client.src.adapters.languageFeatures.LspRenameFeature	2	1							2
34 monaco-lsp-client.src.adapters.languageFeatures.LspSelectionRangeFeature	1	1							2
35 src.languages.features.html.htmlWorker	3					2					1
36 src.languages.features.json.jsonWorker	5					2					1
37 src.languages.features.typescript.tsWorker											1
38 src.languages.features.html		1				3					1	1
39 src.languages.features.json		1				1					1		1
40 src.languages.features.typescript		1				1					1			1

Uses a module listed above itPart of a loopThe module itself

At a glance — Code Health · 64% · Adequate ·

The Good

D17 · TypeScript Explicit Debt 9.9 GD1 · Repo Unfinished & placeholder code 10.0 IC1 · Repo Incompleteness & stubs 7.7 R1 · React / TS Type Safety 8.1 R10 · React / TS Code Duplication 9.3 R2 · React / TS Cyclomatic Complexity 9.8 R7 · React / TS Dead Code 8.9 X1 · Repo Async correctness 10.0 X12 · Repo Unreachable branch 10.0 X16 · Repo Unfloored truncation loop 10.0 X18 · Repo Disposal-pattern correctness 10.0 X19 · Repo Unrestored process-global state 10.0 X21 · Repo Side-effecting pattern guard 10.0 X22 · Repo Contradicted release guard 10.0 X23 · Repo Unguarded diagnostic materialisation 10.0 X25 · Repo Inert configuration knob 10.0 X28 · Repo Index access outside its own emptiness guard 10.0 X29 · Repo Per-element action decided by a fixed element 10.0 X30 · Repo Support guard that admits what it rejects 10.0 X5 · Repo Nullable reference types 8.1

The Bad

R3 · React / TS Large Files 6.4 X3 · Repo Exception handling 5.2

The Ugly

X13 · Repo Undrained process stream 4.3 X2 · Repo Cancellation propagation 4.0

At a glance — Architecture · 90% · Adequate · gated by D26 ·

The Good

D5 · TypeScript Coupling 10.0 D6 · TypeScript Cohesion (LCOM4) 10.0 D22 · TypeScript Internal API Consistency 10.0 D35 · TypeScript Change Coupling 10.0 AX10 · Repo Code composition 9.0 AX3 · Repo Project dependency cycles 10.0 AX5 · Repo Architecture & structure 10.0 AX6 · Repo Interface segregation 9.9 AX7 · Repo Slice cohesion 10.0 R9 · React / TS Circular Imports 10.0

The Ugly

D26 · TypeScript Project Cohesion 0.0

At a glance — Maturity · 58% · Adequate · gated by M2 ·

The Good

D15 · TypeScript Churn × Complexity Hotspots 10.0 D16 · TypeScript Bus Factor 9.0 D19 · TypeScript Documentation Quality 9.0 D21 · TypeScript Naming Consistency 10.0 M1 · Repo Documentation (README) 7.0 M3 · Repo Folder & project structure 10.0 M4 · Repo Documentation accuracy 9.2

The Ugly

M2 · Repo Architecture documentation 0.0

At a glance — Readiness · 45% · Adequate · gated by P2, P3, P7 ·

The Good

D8 · TypeScript Code Coverage 10.0 D9 · TypeScript Test Distribution 10.0 D10 · TypeScript Test Quality 10.0 D11 · TypeScript Test Reliability 10.0 D12 · TypeScript Dependency Hygiene 8.9 D13 · TypeScript Secret Scanning 10.0 D14 · TypeScript License Compliance 10.0 P1 · Repo CI/CD gates 10.0 P10 · Repo Library API & versioning 10.0 P4 · Repo Deployment & Rollback 8.0 P6 · Repo Release Hygiene 10.0 R4 · React / TS Test Coverage 9.7 R6 · React / TS Tooling 10.0 R8 · React / TS Dependency Hygiene 10.0

The Bad

R5 · React / TS Dependency Freshness 6.1

The Ugly

P2 · Repo Observability 0.0 P3 · Repo Security & performance tooling 3.0 P7 · Repo Outbound HTTP resilience 3.0

At a glance — Security · 65% · Adequate · gated by D28, D29, D30, D36 ·

The Good

D37 · TypeScript Vulnerability-disclosure Policy 10.0 D43 · TypeScript Malicious Dependencies 10.0 D44 · TypeScript Platform End-of-Life 10.0 S1 · Repo Web-Security Posture 8.0 X14 · Repo Bypassable address classification 10.0 X15 · Repo Unvalidated length from an untrusted reader 10.0 X17 · Repo Uncapped recursion over a caller-supplied document 10.0 X24 · Repo Document value interpolated into markup unescaped 10.0

The Ugly

D28 · TypeScript Secrets (history) 3.0 D29 · TypeScript Static Analysis (SAST) 2.6 D30 · TypeScript Dependency Vulnerabilities 0.0 D36 · TypeScript Supply-chain Provenance & Signing 2.5

At a glance — Accessibility · 43% · Weak · gated by AC2, AC3 ·

The Good

AC6 · Repo Visual & motion safety 7.1

The Ugly

AC2 · Repo Forms & labels 3.7 AC3 · Repo Page structure 3.8 AC7 · Repo A11y enforcement 4.0

At a glance — Performance · 100% · Exemplary ·

The Good

PF3 · Repo Async & latency hygiene 10.0

Security & Compliance — OWASP Top-10 mapping

Findings mapped to OWASP categories; the specific CVEs/secrets are in the Security dimension cards below and findings.md (redacted only on the public version of this report).

OWASP category	Findings	Severity
A03:2025 — Software Supply Chain Failures	29	High / Critical
A05:2025 — Injection	17	High / Critical
A07:2025 — Authentication Failures	8	High / Critical

Roadmap

First, implement structured logging using pino or winston to establish baseline observability across services. Second, resolve immediate accessibility gaps by ensuring all form controls and buttons have proper programmatic labels and correcting page structure elements like language attributes and landmarks. Third, enforce these standards by integrating eslint-plugin-jsx-a11y into the toolchain and gating accessibility checks in CI. Finally, secure the build pipeline by adding static analysis tools to automatically fail on security regressions.

Ranked by impact ÷ effort. "Helps" is the estimated gain on the 0–100 health score.

Do this	Helps	Effort	Dimension
Adopt pino (or winston) and log at meaningful points in the services you run.	+3.6 pts	Medium	Observability
Give every control a programmatic label (a <label for> / wrapping <label> / aria-label) and every button text — a placeholder is not a label.	+3.3 pts	Medium	Forms & labels
Declare <html lang>, a document <title> and a <main> landmark, keep headings in order, leave zoom enabled, title iframes and drop meta-refresh.	+3.2 pts	Medium	Page structure
Enforce accessibility in the toolchain: add eslint-plugin-jsx-a11y, then assert with @axe-core/playwright in tests, then gate axe/pa11y/Lighthouse in CI.	+3.1 pts	Medium	A11y enforcement
Resolve the 3 Outdated (npm) finding(s) in Dependency Hygiene — start with package.json (3).	+1.4 pts	Low	Dependency Hygiene
Add a SAST step to CI running what this repository's stack ships: CodeQL's javascript-typescript pack, `semgrep --config=p/typescript`, or eslint-plugin-security — so a security regression fails the build instead of landing.	+2.0 pts	Medium	Security & performance tooling
Bound every outbound call: pass `signal: AbortSignal.timeout(ms)` to `fetch`, set `timeout` on the axios instance (`axios.create({ timeout })`), and add retries with back-off (`axios-retry`, `p-retry`) and a breaker (`opossum`, `cockatiel`) around dependencies that fail.	+2.0 pts	Medium	Outbound HTTP resilience
Record your significant design decisions. Write one short document per decision, giving its date, the situation, the decision and its consequences, and keep them together with your other design documents. A docs/adr folder with each file named by number and title is the easiest place to find them.	+1.9 pts	Medium	Architecture documentation

File quality

Per-file score 0–10 — a quality signature. Of 36 files carrying findings, judged against the Preview bar: 6% slop · 11% mixed · 83% near-clean.

File	Score	Band	Worst signal
REDACTED	0.0	Slop	Secrets (history): High secret: REDACTED
REDACTED	1.0	Slop	Dependency Vulnerabilities: High CVE: REDACTED
REDACTED	5.8	Mixed	Static Analysis (SAST): High: REDACTED
REDACTED	5.9	Mixed	Static Analysis (SAST): Medium: REDACTED
REDACTED	6.3	Mixed	Static Analysis (SAST): Medium: REDACTED
src/languages/definitions/postiats/postiats.ts	6.4	Mixed	Explicit Debt: TodoComment
REDACTED	7.2	Near-clean	Secrets (history): High secret: REDACTED
REDACTED	7.2	Near-clean	Secrets (history): High secret: REDACTED
REDACTED	7.2	Near-clean	Secrets (history): High secret: REDACTED
REDACTED	7.2	Near-clean	Secrets (history): High secret: REDACTED
REDACTED	7.2	Near-clean	Secrets (history): High secret: REDACTED
REDACTED	7.2	Near-clean	Secrets (history): High secret: REDACTED
REDACTED	7.2	Near-clean	Static Analysis (SAST): High: REDACTED
REDACTED	7.2	Near-clean	Static Analysis (SAST): High: REDACTED
REDACTED	7.2	Near-clean	Dependency Vulnerabilities: High vulnerability: REDACTED
src/languages/definitions/swift/swift.ts	7.3	Near-clean	Explicit Debt: TodoComment
REDACTED	7.9	Near-clean	Static Analysis (SAST): Medium: REDACTED
REDACTED	7.9	Near-clean	Static Analysis (SAST): Medium: REDACTED
REDACTED	7.9	Near-clean	Static Analysis (SAST): Medium: REDACTED
REDACTED	7.9	Near-clean	Static Analysis (SAST): Medium: REDACTED

How the grades work

Every finding carries one of four grades. Three say how serious it is. The fourth says this survey could not settle it — and it is a grade, not a gap.

Critical — 29

A definite problem that already costs you something and drags the score down: a missing authorisation check, a dependency with a known exploit, a build that does not reproduce. Failure here tends to cause failures elsewhere.

Serious — 155

Likely wrong, but not failing yet. It degrades the codebase over a longer horizon and can cause failures elsewhere — not urgent this week, not something to carry for two years either.

Minor — 60

Recorded, with no effect on how the codebase functions. Present so the survey is complete, not because it needs doing.

Could not be resolved — 6

Something this survey could not settle from the outside, and which could be critical or serious. Either a control was required and no positive evidence of it exists in the repository — a backup job that nothing shows was ever restored from proves nothing about restores — or our own analysis could not run over that part of the tree. This is not a clean result. These are excluded from the score rather than awarded a pass, so the number on the cover neither rewards nor penalises them: if you act on this survey without resolving them, you carry that risk yourself. Each one is named under Limitations.

Methodology & how to trust this report

Watchdog is a deep, periodic assessment — run each sprint, monthly, or quarterly, taking the time to go wider and deeper than a quick check and surfacing in one coherent report what you'd otherwise piece together from a dozen separate tools. It scores deterministically: the same commit yields the same score, every run. 74 of 78 evaluated dimensions are computed purely by tools and static analysis (confidence 1.0); 4 documentation/naming judgement(s) are LLM-assisted and labelled advisory. Overall confidence is 1.0 — the weighted average across measured dimensions; it falls as more of the score leans on LLM-assisted judgement and rises when it's fully tool-backed.

Every figure here is one of three kinds, and we label which: ✓ Measured — a deterministic fact (LoC, complexity, coverage); ~ Modeled — an estimate from a stated model (cost, effort, value-at-risk), always a range with its assumptions, never a precise fact; ◐ Advisory — an LLM prose judgement. We never present a modelled estimate as if it were measured. Perfect or absent scores carry their provenance too (ADR-0011): ✓ Tool-verified means the property itself was measured across the surface; ○ Nothing flagged means the probes came back clean — a claim bounded by what a repository can show; ⊘ Not evidenced means a working control (a tested restore, an automated rollback) showed no positive evidence — absence of evidence is not evidence of a control, so it's excluded from the score rather than awarded a spurious 10; ◐ Sampled · advisory marks an LLM verdict over a bounded sample — advisory, never a deterministic measurement.

What we checked — 78 dimensions across the health lenses

D5D6D8D9D10D11D12D13D14D15D16D17D19D21D22D26D28D29D30D35D36D37D43D44AC2AC3AC6AC7AX10AX3AX5AX6AX7GD1IC1M1M2M3M4P1P10P2P3P4P6P7PF3R1R10R2R3R4R5R6R7R8R9S1X1X12X13X14X15X16X17X18X19X2X21X22X23X24X25X28X29X3X30X5

Each chip is a dimension scored from real signals across architecture, testing, dependencies, security & compliance, documentation, git-history and code quality — in one coherent pass. A surface report typically covers a handful.

How to trust any code-health report — three questions

Can you open the finding? Real findings cite a repo-relative file and line you can open at the cited line — never an absolute scratch path. Here, 220 of 244 do; the remainder are repo-wide signals — a dimension-level measurement, not a single line. (Every path in this report is repo-relative by construction: paths are normalized at the producer and the report is rejected if any rooted path leaks through.)
Is there a tool behind the number? Every score below names the method that produced it — Roslyn, git, a scanner, or (for a handful of documentation/naming dimensions) an LLM labelled sampled · advisory — not a narrative.
Does re-running give the same result? Run it again on the same commit and the score — and this report, byte for byte — is identical. A report whose numbers move between runs is describing the run, not the code.

This report answers yes to all three. That's the bar to hold any assessment to.

Tools & methods

The actual versions used this run (captured at analysis time) — re-run on the same commit for the identical score.

Method	Backs	Version	Evaluator
Roslyn static analysis	Complexity, cohesion, coupling, dead code, API surface, layering	5.3.0	✓ deterministic
Native secret scanner	Hardcoded secrets / credentials	1.0.0	✓ deterministic
Watchdog duplication detector (in-process)	Code duplication	1.0.0	✓ deterministic
Coverage (coverlet / dotnet-coverage)	Line & branch coverage	10.0.400	✓ deterministic
NuGet / dotnet	Outdated, vulnerable & deprecated dependencies	10.0.400	✓ deterministic
git / LibGit2Sharp	Churn hotspots, knowledge concentration, history	2.43.0 · 0.31.0	✓ deterministic
gitleaks · semgrep · trivy	Secrets in history, SAST, CVEs, IaC & container, PII / GDPR	1.86.0 · 0.69.3	✓ deterministic
LLM (sampled · advisory)	Documentation quality, ADR conformance, naming — sampled over a bounded sample; advisory, never a deterministic measurement	Local LLM	◐ LLM · sampled · advisory

Every finding is locatable in findings.md. Run 01a16e45-4f19-78a2-a5d4-5a78ac0c0072.

The exact command behind every deep-scan dimension — tool, version, invocation and retained raw output — is in Appendix B — Reproduction & audit trail.

Run transparency — what happened this run

What ran differently this time — a tool absent, degraded, or that fell back to an estimate. Named openly, not folded silently into the scores. A degraded run also records its exact cause in diagnostics.md.

D1 Cyclomatic Complexity — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. Most of this repository's production source (.ts) had no cyclomatic complexity computed for it: no method bodies were exposed for those file kinds by any language model this pass could load.
D2 Cognitive Complexity — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. Most of this repository's production source (.ts) had no cognitive complexity computed for it: no method bodies were exposed for those file kinds by any language model this pass could load.
D27 Navigability — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. Navigability is taken over call sites whose callee resolved. For C# that population includes calls into referenced assemblies; for this language only calls declared inside the repository count, so the abstention threshold reads the repository's use of its standard library as a resolution failure. That is a limit of this analyzer, not a build problem in this repository.
D32 Data Compliance (PII/GDPR) — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. `monaco-lsp-client/src/adapters/LspCapabilitiesRegistry.ts`, `src/languages/definitions/handlebars/handlebars.ts`, `src/languages/definitions/html/html.ts`, `src/languages/definitions/markdown/markdown.ts`, `src/languages/definitions/php/php.ts`, … (+4 more) produced a parse error, so every rule in this engine's `gdpr.yml` was absent there. That absence is NOT a clean result: these rules detect personal data crossing a boundary into a log sink, a URL or browser storage, and a file that was never parsed cannot report any of the three. The rest of the tree analysed normally and its rows above stand; only these files are unaccounted for. You can widen what we reach: fix the syntax error (or exclude the file deliberately) and re-scan to cover it.
D34 Knowledge Freshness — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. File-level freshness contradicts repo activity: 56 commits in the last 90 days, yet 95 of 108 significant files carry no living knowledge. Those two readings cannot both be true, so the per-file recency signal is treated as unreliable here and freshness is not scored for this run.
AXR1 Runtime accessibility — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. Render strategy: boot via Dockerfile (src/languages/definitions/dockerfile/dockerfile.ts). docker build failed (exit 1) — DEPRECATED: The legacy builder is deprecated and will be removed in a future release. Install the buildx component to build images with BuildKit: https://docs.docker.com/go/bui…; runtime evidence skipped.
P5 DR & Backup — not measured this run — This is a true statement about the repository that carries nothing for its owner to act on, so it is reported here rather than as a defect in their code. No backup/snapshot/replication config, RTO/RPO or restore-procedure documentation was found — and no production persistence was detected either (no data-access packages, no data-store services, no database resources), so there is nothing in this repository whose loss a DR control would recover. If this system's data lives in a platform or ops repo we can't see, that's where the DR evidence belongs.
R10 Code Duplication — measured, with a gap in what it reached — Watchdog measured this, but not all of it. What it did not reach is a gap on our side — a collector, parser or image we have not built yet — so the numbers on that dimension cover less than the repository, and the part left out is not evidence that it would have passed. 25 further occurrence(s) are not listed individually; the score already reflects all 65.
X4 Structured logging — not measured this run — Watchdog could not measure this here. That is a gap on our side — a collector, parser or image we have not built yet — and it is neither a defect in this repository nor evidence that the check would have passed. This check reads C# syntax, and JavaScript/TypeScript, Java, Kotlin, Python, PHP, Dart, Ruby, Scala and Rust source only, and no C# was loaded, and this repository's JavaScript/TypeScript, Python and PHP make no call through a named logger, so it had nothing of this repository's product to read. That is a gap in this analyzer's language reach — not a finding that the repository is free of what this check looks for.

Repo exclusion declarations: 24 pattern(s) declared (.gitattributes linguist-generated/vendored, .editorconfig generated_code) excluded 0 source file(s) from code-quality scoring. Declarations are the repo's own visible statement that a tree is machine-written or vendored — auditable in any diff, honored by GitHub the same way.

Limitations & what we did not check

Watchdog assesses the repository exactly as committed, and only the repository. By design it does not reach outside the source tree: the live cloud account, the running CI/CD pipeline, the host's branch-protection and approval rules, the production configuration, or a restore actually exercised against a backup are all out of scope. That boundary is a feature, not a gap — a repo-relative, deterministic scan re-runs identically on any commit and every finding opens at a real file and line, where a live audit can neither be reproduced nor traced. The visible consequence is that controls which leave no in-repo evidence are reported as "not evidenced" and excluded from the score rather than awarded a number a static scan cannot justify.

Per-dimension blind spots

For each dimension that was measured, what a static, repo-only scan structurally cannot see — the honest edge of the measurement, not a failure of it.

D5 Coupling: Coupling is measured between projects/assemblies — runtime coupling through DI, reflection, messaging or shared databases is invisible to a static reference graph.
D6 Cohesion (LCOM4): LCOM4 cohesion is syntactic — it infers connectivity from which methods touch which fields/methods by name, not from real runtime behaviour or intent.
D8 Code Coverage: Coverage is measured by building and running the test suite inside Watchdog's isolated image — the target repo is never modified, and nothing on your systems runs. So coverage exists only when the suite builds and runs within the inline time budget; one that needs external services, can't build, or exceeds the budget yields no coverage (D8 then degrades to not-measured, not a low score). Line coverage also says nothing about assertion quality.
D9 Test Distribution: The test-pyramid shape is inferred from project/folder naming and references, with a single test host bucketed per-file by its path tier and content signals — a suite that names tiers unconventionally and gives no per-file signal can still be mis-bucketed.
D10 Test Quality: Assertion density is structural — it cannot tell a meaningful behavioural assertion from a trivial one, only that an assertion is present.
D11 Test Reliability: Flakiness is inferred from history/markers — Watchdog runs the suite once (for coverage), not the repeated runs under varied conditions that reveal nondeterminism, so a flaky test never recorded as failing is invisible here.
D12 Dependency Hygiene: Dependency health reads manifests and lockfiles — a vulnerability in a vendored/copied dependency, or risk from how a dependency is actually used, is outside this view.
D13 Secret Scanning: Secret detection is signature- and entropy-based on the current tree — a secret that does not match a known pattern, or one already rotated, will not be flagged (a clean scan is "nothing matched", not "no secrets exist").
D14 License Compliance: License compatibility is checked against declared package metadata and a policy — mislabelled or missing license metadata, and obligations that depend on how you distribute, are not resolved here.
D15 Churn × Complexity Hotspots: Churn hotspots come from git history — a freshly imported or squashed repository has no churn signal, and recent rewrites can mask a historically risky file.
D16 Bus Factor: Bus-factor is a time-decayed model of commit attribution (who has recently, repeatedly worked a file), not comprehension — pairing, review and reading-without-committing spread knowledge it can't see; bot commits and shared accounts still distort it.
D17 Explicit Debt: Acknowledged-debt signals (TODO/FIXME, suppressions, dead code) are textual — undocumented debt that nobody marked, and debt that lives in design rather than annotations, is invisible. Committed machine-written code (scaffolded migrations, designer/codegen output, generated stubs) is excluded — it is never the team's dead code to delete.
D19 Documentation Quality: Documentation quality is judged by an LLM over a bounded sample of docs — it reads what is written, not whether the docs match the running system, and it is advisory, not a measurement. Its critique rows are drawn from a closed category vocabulary and each row means the same thing in every run, so two scans can be compared row by row; the SET that fires is still a sample, and does not repeat exactly. Measured on one frozen input, six scans at one engine SHA: 2-5 critique rows per scan, 8 distinct rows across the six, 3 of those 8 seen in only one scan. So a D19 row is evidence about the documentation, but a COUNT of D19 rows is not a quantity — never read a change in it as an improvement or a regression.
D21 Naming Consistency: Naming quality is an LLM judgement over a bounded sample — it assesses clarity/consistency of the names it sees, not domain-correctness, and is advisory.
D22 Internal API Consistency: API-surface coherence is an LLM judgement over a sample of the public surface — consistency of intent across the whole API is approximated, not exhaustively verified.
D26 Project Cohesion: Project focus is sized from members/namespaces per project — a project that is broad by deliberate design reads the same as one that has sprawled.
D28 Secrets (history): Secret-history scanning sweeps the git log for known patterns — a secret that predates the available history, or never matched a signature, is not found (clean means "nothing matched in the history we can see").
D29 Static Analysis (SAST): SAST findings are pattern-based (semgrep) — it finds classes of bug it has rules for; logic flaws, auth/authorization gaps and issues needing runtime context are out of reach (and clean means "no rule matched").
D30 Dependency Vulnerabilities: CVE matching depends on accurate package/version metadata and on the advisory databases — a vulnerability with no published advisory, or in code not declared as a dependency, is not seen. Coverage needs a RESOLVED graph: an unpinned requirements.txt, or a pom without a resolved build, yields partial coverage rather than a clean verdict. An ecosystem the analyzer cannot scan is reported as unmeasured, never as clean.
D35 Change Coupling: Change coupling is co-change in COMMITS — files split across separate commits, or coupled only through a shared config/build step, read as uncoupled, and a sweeping commit (rename/format) is excluded so it doesn't couple everything. It shows that files change together, not WHY: a high coupling can be a healthy cohesive pair as readily as a hidden leak.
D43 Malicious Dependencies: Only packages some vulnerability database has already NAMED as malicious are seen — a compromise published in the last hours, or never reported at all, is invisible here, and this dimension reading 10 is not evidence that a dependency is trustworthy. There is no typosquat or dependency-confusion analysis: a package nobody has reported is simply absent from the feeds. Coverage is the dependency scan's: an ecosystem that could not be scanned is disclosed as unmeasured, never as clean.
D44 Platform End-of-Life: The support table is FROZEN, so it goes out of date by losing RECALL: a release that ended support after the table was written is missed until the table is refreshed, and this dimension reading 10 is not evidence that a platform is current. Only platforms the repository DECLARES in a place this pass reads are seen — a runtime named only in a Dockerfile (D31's subject), in a CI workflow (D29's), or in a file this pass does not parse (go.mod, a Gemfile ruby directive) is invisible here, which is why a repository declaring none of them abstains rather than scoring. Only frameworks with a PUBLISHED support policy are tracked: React, Flask and Express publish none, so their age cannot be judged and their absence from a report is not a statement that they are supported.
AC2 Forms & labels: Label association is read from static markup — a label wired up at runtime (JS-set aria-labelledby, framework-injected ids) reads as missing, a present label says nothing about whether its text is correct. A known UI-library field component (e.g. a JSX <TextField>) is now checked conservatively — flagged only when it carries NO label/aria-label/aria-labelledby/id/name — but wrapper/context-labelled libraries (Chakra/Radix FormControl+FormLabel) aren't statically visible (possible false positive) and non-JSX lowercased components are still skipped. A click handler on a plain element is now asked for a name too (it is a control the author declared), but the subtree test that answers it is deliberately generous: any DYNAMIC text expression in the subtree counts as a name, so an icon chosen by a ternary ({cond ? <IconA/> : <IconB/>}) reads as named, and a glyph component from a library the icon-import list does not know still names its parent. A clean result is "no unlabelled control found", not a labelling proof.
AC3 Page structure: Page structure is read from the static markup tree — landmarks, headings and lang injected at runtime aren't seen, heading ORDER is checked structurally (not against the rendered visual hierarchy), and lang/title/main fire only on full documents, never partials, and the data-table check sees header-cell presence (a <th> exists), not whether each header correctly associates with its cells. Static readiness, not conformance.
AC6 Visual & motion safety: Contrast and motion safety are PARTIAL by construction — literal colours (hex/rgb/hsl/named) in inline styles, in-repo <style> blocks, in-repo .css files, var() tokens, Tailwind neutral utilities and CSS-in-JS top-level declarations are read (same-rule/same-element colour+background pairs only); computed/runtime/theme colour, external-CDN stylesheets, CSS-in-JS dynamic (${…}) and nested-selector colours, cross-element pairs and image contrast stay out of reach, so a clean result is bounded by what the static CSS itself shows.
AC7 A11y enforcement: Enforcement is scored from in-repo config/CI evidence only — an a11y gate enforced in external tooling with no in-repo trace can't be credited, and a configured linter is presence, not proof the rules actually run or block a merge.
AX10 Code composition: Role is inferred from namespace/folder convention, not semantics — a domain concept living in a folder named "Services" reads as application, and the split is lines-of-code, not business value. The business-logic-share score is a SOFT, FLOORED signal: it contributes to the Architecture lens but is floored at the Critical gate, so an infrastructure-heavy design (a gateway, an ETL, a driver) is legitimately low without being nuked to zero.
M4 Documentation accuracy: Onboarding quality is an LLM read of the docs/setup present — it cannot run the onboarding or measure how long a real new joiner takes; the verdict is sampled and advisory.
P4 Deployment & Rollback: Approval/branch-protection rules live in repository settings the scan cannot see — only their in-repo evidence (config files, workflows) is checked, so a control enforced purely in the host's settings reads as "not evidenced".
P6 Release Hygiene: Rollback/observability controls are inferred from repo artefacts (pipelines, dashboards-as-code) — controls configured in external tooling, with no in-repo trace, cannot be credited.

The LLM boundary

LLM-set scores this run (4): D19, D21, D22, M4 (model: Local LLM). For these, a model reads a bounded sample and sets the numeric score; each names its own sample and method on its card. They are sampled and advisory by design: they vary at the margins between runs and are never a deterministic measurement. Every other score in this report is tool-computed at confidence 1.0.

Dimensions

D5 · Coupling10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether volatile projects sit underneath others that depend on them (so their churn ripples upward), and whether project dependencies form cycles. A widely-depended-on but stable shared/kernel project is healthy, not penalised.

Method: Dependency cycles via elementary-DFS over real .csproj references, plus Martin instability (afferent/efferent) per project. Exhaustive over the reference graph, deterministic.

Coverage: Exhaustive · type-level: afferent/efferent coupling + cycles computed over every production type — the population is all types, not a name convention.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Prevented

5 production modules (npm), 0 dependency cycle(s), 0 unstable depended-on module(s). Read from the build's own module declarations; 0 module(s) off the main sequence, with abstractness counted on 4 of the 5 (the rest declare no modelled class or interface, export only macros, declare types in source no model reads, or have no source directory of their own).

✓ On the Gold path — maintain.

Detailed fixes: d5_recommendation.md.

Do you agree with this assessment?

D6 · Cohesion (LCOM4)10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether a class's methods are focused on a single responsibility.

Method: LCOM4 cohesion per production class with at least two methods: connected components of methods sharing state or calls, computed syntactically. Deterministic, not a proxy.

Coverage: Exhaustive · type-level: LCOM4 cohesion computed over every production class — the population is all types, not a name convention.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Verified

0 of 47 classes have LCOM4 above 3.

✓ On the Gold path — maintain.

Detailed fixes: d6_recommendation.md.

Do you agree with this assessment?

D8 · Code Coverage10.0 / 10Stronggated by 1 serious finding✓ Tool-verified

What it measures: How much of the code is actually exercised by tests.

Method: Coverage from coverlet runs or committed reports (Cobertura/OpenCover/lcov), computed per-file with structured exclusions for generated, trivial, and glue code. When the suite can't be built/run in-image AND no report is committed, coverage is reported NOT-MEASURED (excluded from the score) with the precondition to make it measurable — never a LoC-ratio proxy folded in as if measured. Deterministic.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Verified

Line coverage 98.6% — 1 file(s) below 50%. Measured from the JavaScript/TypeScript suite (node:test via `npm ci --ignore-scripts` in the repository root).

Low coverage: src/languages/definitions/xml/register.tssrc/languages/definitions/xml/register.ts:1

What to do

Resolve the 1 Low coverage finding(s) in Code Coverage — start with register.ts. — One of this dimension's main actionable groups (1 warning-level).
Enforce Code Coverage in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Verified — provenance only; does not change the score.

Detailed fixes: d8_recommendation.md · top locations in Appendix A, every location in findings.md.

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D9 · Test Distribution10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether the test suite has a healthy mix of unit / integration / end-to-end tests.

Method: Test projects classified (Unit/Integration/BDD/E2E) from compiled metadata; test methods counted exhaustively across projects with placement-agnostic disk fallback. Deterministic.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

7 test methods: 7 unit, 0 integration, 0 BDD, 0 e2e. The JavaScript/TypeScript suite contributes 7 `it`/`test` case(s) across 2 test file(s) declaring at least one; its tier split is read from package names and paths only.

✓ On the Gold path — maintain.

Detailed fixes: d9_recommendation.md.

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D10 · Test Quality10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether the tests truly assert behaviour rather than just running the code.

Method: Per-test assertions, skips, and mock references analyzed via Roslyn; structured skip-reason tags (BUG:/ENV:) separate documented deferrals from debt. Deterministic.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Prevented

0 skipped, 4 zero-assertion, no mocking-framework packages referenced (hand-written doubles or no mocking) across 7 tests (1 harness-style project(s) excluded from the assertion penalty).

No direct assertions: should be able to create plaintext editor · ×4test/smoke/smoke.test.ts:30

✓ On the Gold path — maintain.

Detailed fixes: d10_recommendation.md · top locations in Appendix A, every location in findings.md.

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D11 · Test Reliability10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether the tests pass reliably, with no flakiness.

Method: Suite re-run N times within tiered wall-clock budgets (unit to e2e); tests failing non-deterministically across runs flagged; guarded tests retried when #if guards detected.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Verified

0 flaky across 1 measured tier(s). JavaScript/TypeScript (node:test via `npm ci --ignore-scripts` in the repository root (87 tests)): measured (0 flaky).

✓ On the Gold path — maintain.

Detailed fixes: d11_recommendation.md.

Do you agree with this assessment?

D12 · Dependency Hygiene8.9 / 10Strong✓ Tool-verified

What it measures: Whether dependencies are current, secure, and not bloated.

Method: Manifest scan via dotnet list package across all projects; worst-signal-per-package deduction (saturating for vulnerabilities, capped-linear for deprecation/outdated) per KLoC. Exhaustive, deterministic.

Maturity: Documented → Verified → Prevented · effective 8.9 / 10 · rule-coverage 100% · ceiling Verified

12 outdated direct production npm dependency(ies) of 24 graded, 0 pinning defect(s), across 9 package.json (3 of them the product) and 9 committed lockfile(s). Development dependencies are deliberately not graded for currency: that grade is about what SHIPS. 1 direct dependency(ies) — production, development or optional — are marked DEPRECATED by their publisher (the registry's per-version mark, or the lockfile's copy of it when the registry could not be asked); deprecated transitive packages are listed but not charged. Whether any is UNMAINTAINED is not graded — the registry publishes no maintenance status, and release age does not stand in for one. Whether any is UNUSED is not graded either: that is a source question, and the frontend dependency lens (R8) answers it in this same run. Known CVEs in this dependency graph are D30's question, read from the manifest there.

Deprecated: glob · ×2package.json:67

Outdated (npm): mobx-react · ×3website/package.json:27

Deprecated: globREDACTED:7119

Outdated (npm): @types/base64-js · ×9

What to do

Resolve the 3 Outdated (npm) finding(s) in Dependency Hygiene — start with package.json (3). — One of this dimension's main actionable groups (3 recommendation-level).
Resolve the 2 Deprecated finding(s) in Dependency Hygiene — start with package.json (2). — One of this dimension's main actionable groups (2 warning-level).
Resolve the 1 Deprecated finding(s) in Dependency Hygiene — start with REDACTED. — One of this dimension's main actionable groups (1 recommendation-level).
Enforce Dependency Hygiene in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Verified — provenance only; does not change the score.

Detailed fixes: d12_recommendation.md · top locations in Appendix A, every location in findings.md.

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D13 · Secret Scanning10.0 / 10Exemplary○ Nothing flagged

What it measures: Whether any secrets (keys, tokens, passwords) have leaked into the code.

Method: In-process native secret scanner (entropy plus signature patterns) across all tracked files; no external tool. A clean result is a measured 10, not no-data zero. Deterministic.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Prevented

Secret scan ran and found no leaked secrets.

✓ On the Gold path — maintain.

Detailed fixes: d13_recommendation.md.

Do you agree with this assessment?

D14 · License Compliance10.0 / 10Exemplary○ Nothing flagged

What it measures: Whether the licenses of third-party packages are compatible with your policy.

Method: Third-party package licenses resolved from declared package metadata and checked against the configured policy (allow/deny/copyleft). Deterministic; clean = no incompatible license found at metadata depth.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Verified

0 of 24 shipped npm package(s) use a banned license. Licences were resolved from registry.npmjs.org over the 24 production dependency(ies) this repository's committed lockfile resolves, across 3 product package.json manifest(s). Its 121 `devDependencies` declaration(s) are excluded: a consumer installs none of them. ★ DEPTH: this is the DIRECT production set the lockfile resolves, NOT the transitive closure — only one of the four lock dialects this pass reads states a full graph, so a banned licence pulled in only by a dependency's OWN dependencies is outside this verdict, exactly as the JVM arm's declaration-site verdict is. ★ Each licence is the one the registry publishes for the package's CURRENT release rather than for the pinned version, which is the same caveat the Hex and RubyGems arms carry. This repository publishes itself under MIT, which is its own choice and is not judged here.

✓ On the Gold path — maintain.

Detailed fixes: d14_recommendation.md.

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D15 · Churn × Complexity Hotspots10.0 / 10Exemplary✓ Tool-verified

What it measures: Files that change often and are also complex — the riskiest hotspots.

Method: Per production file churn times cyclomatic complexity over a rolling window, computed from git and Roslyn/JS/Razor analysis. Exhaustive, deterministic per commit date.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

No churn × complexity hotspots in the window.

✓ On the Gold path — maintain.

Detailed fixes: d15_recommendation.md.

Do you agree with this assessment?

D16 · Bus Factor9.0 / 10Exemplary✓ Tool-verified

What it measures: Whether knowledge is concentrated in too few people (the "bus factor").

Method: Living knowledge per author via time-decayed commit attribution (6-month half-life, focus weighting) across largest source files. Deterministic, avoids blame's mechanical-refactor false positives.

Maturity: Documented → Verified → Prevented · effective 9.0 / 10 · rule-coverage 100% · ceiling Documented

12 source file(s) have their living knowledge concentrated in one author (≥90% of recent, decayed contribution). The largest is monaco-lsp-client/src/adapters/languageFeatures/LspCompletionFeature.ts. Counted over 108 of the 300 production source files in this repository: the rest are under the ~2,400-byte size floor this dimension measures over.

Off-boarding risk: anonymized user #1

✓ On the Gold path — maintain.

Detailed fixes: d16_recommendation.md · top locations in Appendix A, every location in findings.md.

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D17 · Explicit Debt9.9 / 10Stronggated by 17 serious findings✓ Tool-verified

What it measures: Acknowledged debt left in the code — TODOs, dead code, suppressed warnings.

Method: Roslyn syntactic debt markers (suppressions/TODO/FIXME/HACK/empty-catch/commented-code/Obsolete) plus SymbolFinder dead-code analysis; weighted-debt-per-KLoC density deducted 2.0x per unit. Deterministic, exhaustive.

Maturity: Documented → Verified → Prevented · effective 9.9 / 10 · rule-coverage 100% · ceiling Prevented

17 deducted task-comment markers across 45382 LoC (0.0/KLoC) → score 9.9. Task comments only: this repository's language is read without a compiler, so D17's suppression, dead-code and commented-out-code arms did not run and this score counts fewer marker kinds than a .NET repository's would.

TodoComment · ×13monaco-lsp-client/src/adapters/languageFeatures/LspRenameFeature.ts:137

FixmeComment · ×2src/languages/definitions/postiats/postiats.ts:653

HackComment · ×2webpack-plugin/src/loaders/include.ts:15

What to do

Resolve the 13 TodoComment finding(s) in Explicit Debt — start with postiats.ts (5), swift.ts (2), LspRenameFeature.ts. — One of this dimension's main actionable groups (13 warning-level).
Resolve the 2 FixmeComment finding(s) in Explicit Debt — start with postiats.ts (2). — One of this dimension's main actionable groups (2 warning-level).
Resolve the 2 HackComment finding(s) in Explicit Debt — start with include.ts, AddWorkerEntryPointPlugin.ts. — One of this dimension's main actionable groups (2 warning-level).
Enforce Explicit Debt in CI to reach Verified (currently Documented). — Hardens enforcement from Documented toward Prevented — provenance only; does not change the score.

Detailed fixes: d17_recommendation.md · top locations in Appendix A, every location in findings.md.

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D19 · Documentation QualityExemplary◐ Sampled · advisory

What it measures: Whether the project's documentation is clear, complete, and useful.

Method: Judged by language model at low temperature (0.0-0.1) on a deterministic doc sample (READMEs plus first 25 architecture docs), with two-pass stability filtering. Advisory, sampled.

Maturity: Documented → Verified → Prevented · effective Exemplary / 10 · rule-coverage 100% · ceiling Documented

The repository's root README and four subdirectories (monaco-lsp-client/README.md, webpack-plugin/README.md, samples/README.md, samples/legacy/README.md) all document their own directories rather than the overarching project. The root README gives a high-level overview of Monaco Editor as the VS Code editor, links to the VS Code docs, and describes the playground; it also states where to find installation, usage, contribution, and license information (the repository's licence is present in the root). The architecture/design documentation is sparse but present: the monaco-lsp-client README mentions alpha stage and bugs, while the webpack-plugin README has a version matrix. All four subdirectories are well written for their audiences and cover the project's main tiers.

✓ On the Gold path — maintain.

Detailed fixes: d19_recommendation.md.

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D21 · Naming ConsistencyExemplary◐ Sampled · advisory

What it measures: Whether names — types, methods, variables — are clear and consistent.

Method: Judged by language model at low temperature (0.0-0.1) on a deterministic random symbol sample (fixed size, not exhaustive), with disclosed confidence band. Advisory, sampled.

Maturity: Documented → Verified → Prevented · effective Exemplary / 10 · rule-coverage 100% · ceiling Verified

0 naming inconsistencies across 0 sampled symbols.

✓ On the Gold path — maintain.

Detailed fixes: d21_recommendation.md.

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D22 · Internal API ConsistencyExemplary◐ Sampled · advisory

What it measures: Whether the internal API surface is consistent and coherent.

Method: Judged by language model at low temperature over a sample of the public API surface (IsPackable or .Contracts types). Sampled, advisory; confidence discounted by model uncertainty.

Maturity: Documented → Verified → Prevented · effective Exemplary / 10 · rule-coverage 100% · ceiling Verified

0 API inconsistencies across 2 exposed types.

✓ On the Gold path — maintain.

Detailed fixes: d22_recommendation.md.

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D26 · Project Cohesion0.0 / 10Critical✓ Tool-verified

What it measures: Whether each project is a focused, coherent unit rather than an oversized grab-bag.

Method: Project size overshoot penalties (LoC / public-type count / namespace count, 2-of-3 flag) weighted by log magnitude. Exhaustive across projects, deterministic, LLM-independent.

Maturity: Documented → Verified → Prevented · effective 0.0 / 10 · rule-coverage 100% · ceiling Documented

2 of 4 build units (npm) flagged as possibly oversized/incoherent.

Projects may be oversized for their cohesion

What to do

Resolve the 1 Projects may be oversized for their cohesion finding(s) in Project Cohesion. — One of this dimension's main actionable groups (1 recommendation-level).

Detailed fixes: d26_recommendation.md · top locations in Appendix A, every location in findings.md.

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D28 · Secrets (history)3.0 / 10Weak✓ Tool-verified

What it measures: Whether any secrets were ever committed — scanned across the full git history, not just now.

Method: Secret scan via TWO gitleaks detect passes in an isolated checkout — the full git history, then a second --no-git pass over the working tree as it stands — merged and de-duplicated by (rule, file, line); each match flagged High. Both invocations are recorded in the audit trail. Exhaustive; when the tool is absent, or when its output cannot be parsed into the expected shape, the dimension is WITHHELD as an explicit measurement gap on our side — unscored and excluded from the lens, never a hedged middling score.

Maturity: Documented → Verified → Prevented · effective 3.0 / 10 · rule-coverage 100% · ceiling Documented

7 finding(s): 0 critical, 7 high, 0 medium, 0 low. Remediation for historically-committed secrets is credential rotation — they remain in history regardless of later deletion.

REDACTED

What to do

Resolve the 7 High secret finding(s) in Secrets (history) — start with REDACTED (7). — One of this dimension's main actionable groups (7 issue-level).
Resolve the 1 Rotate the exposed credentials finding(s) in Secrets (history). — One of this dimension's main actionable groups (1 recommendation-level).

Detailed fixes: d28_recommendation.md · top locations in Appendix A, every location in findings.md.

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D29 · Static Analysis (SAST)2.6 / 10Weak✓ Tool-verified

What it measures: Real static-analysis (SAST) findings — likely security bugs in the code, any language.

Method: Polyglot static analysis via semgrep across the repo using the pinned, image-baked p/security-audit + p/owasp-top-ten rulesets (no scan-time registry fetch); severity rules (ERROR/WARNING/INFO) map to a full-band severity-weighted score. Exhaustive, deterministic; degrades on parse failure.

Coverage: semgrep pattern rules over all files — exhaustive for the rule set, blind to classes of bug without a rule (clean = no rule matched).

Maturity: Documented → Verified → Prevented · effective 2.6 / 10 · rule-coverage 100% · ceiling Documented

17 finding(s): 0 critical, 4 high, 12 medium, 1 low. semgrep hit a parse error in 17 file(s) — `monaco-lsp-client/src/adapters/LspCapabilitiesRegistry.ts` (line 171, line 176), `samples/browser-esm-esbuild/index.html` (line 12), `REDACTED` (lines 12–13), `samples/browser-esm-webpack-monaco-plugin/index.html` (lines 12–14), `samples/browser-esm-webpack-small/index.html` (lines 18–20), … (+12 more) — so no absence of findings in the named regions is evidence of anything; rows reported elsewhere in those files are real. Fix the syntax error (or exclude the file deliberately) and re-scan to cover them.

REDACTED

+ 3 more group(s) — more in Appendix A; the complete list is findings.md.

What to do

Resolve the 2 REDACTED finding(s) in Static Analysis (SAST) — start with REDACTED (2). — One of this dimension's main actionable groups (2 issue-level).
Resolve the 1 REDACTED finding(s) in Static Analysis (SAST) — start with REDACTED. — One of this dimension's main actionable groups (1 issue-level).
Resolve the 1 REDACTED finding(s) in Static Analysis (SAST) — start with REDACTED. — One of this dimension's main actionable groups (1 issue-level).

Detailed fixes: d29_recommendation.md · top locations in Appendix A, every location in findings.md.

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D30 · Dependency Vulnerabilities0.0 / 10Critical✓ Tool-verified

What it measures: Whether any dependency has a known published vulnerability (CVE), direct or transitive, in ANY ecosystem the repository declares — Dart pub, Elixir and Erlang via Hex, Go modules, Java and Kotlin via Maven/Gradle, JavaScript/npm, .NET/NuGet, PHP/Composer, Python/PyPI, RubyGems, Rust/Cargo and Swift.

Method: Dependency-CVE scan across every ecosystem the repository declares, scored ONCE. Three sources are unioned and deduplicated by advisory identity (rule id + alias closure, CVE<->GHSA) scoped to package+version, keeping the worst severity: `osv-scanner --recursive` over osv.dev for Dart pub, Elixir/Hex (and Erlang, whose `rebar.lock` syft first converts to a CycloneDX SBOM the scanner reads, with rows attributed back to the lock), Go, Java and Kotlin via Maven/Gradle (and Scala, whose sbt build's pinned direct declarations are written into a CycloneDX SBOM the scanner reads, with rows attributed back to the build file), npm, PHP/Composer, Python/PyPI, RubyGems, Rust/Cargo and Swift; `trivy fs --scanners vuln` for npm lockfiles; and `dotnet list package --vulnerable --include-transitive` for NuGet (with per-advisory collapse of the project x target-framework fan-out), plus a DECLARED-dependency arm that resolves a published gem's gemspec against rubygems.org where no Gemfile.lock is committed. `SeverityScore(c,h,m,l, normalizer 8.0)`. NotApplicable only when NO ecosystem is readable; if any applicable ecosystem could not be scanned the findings are REPORTED and the score is withheld. Supersedes the npm and OSV arms, retired 2026-09-05.

Maturity: Documented → Verified → Prevented · effective 0.0 / 10 · rule-coverage 100% · ceiling Documented

25 finding(s): 1 critical, 11 high, 12 medium, 1 low.

REDACTED

What to do

Resolve the 9 High CVE finding(s) in Dependency Vulnerabilities — start with REDACTED (9). — One of this dimension's main actionable groups (9 issue-level).
Resolve the 2 High vulnerability finding(s) in Dependency Vulnerabilities — start with REDACTED (2). — One of this dimension's main actionable groups (2 issue-level).
Resolve the 1 Critical vulnerability finding(s) in Dependency Vulnerabilities — start with REDACTED. — One of this dimension's main actionable groups (1 issue-level).

Detailed fixes: d30_recommendation.md · top locations in Appendix A, every location in findings.md.

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D35 · Change Coupling10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether files that change together actually belong together — pairs that repeatedly co-change in git history despite having no explicit code dependency, surfacing the hidden/logical coupling (and boundaries in the wrong place) a static scan can't see.

Method: Pairwise co-occurrence over the per-commit file sets in git history (production source only — tests and generated dropped): Degree-of-Coupling = shared ÷ min individual revisions, reported above noise floors (each file ≥10 revisions, ≥5 shared commits, ≥50% strength); sweeping commits excluded. Deterministic over fixed history.

Coverage: Population: PRODUCTION source files only — test and generated files are dropped before pairing, so a class co-changing with its own test (trivially ~100%) can't drown the real production↔production coupling. Pairs ranked by Degree-of-Coupling. A non-source file is never a coupling PARTICIPANT either: documentation, schemas, config and data files are dropped with the rest, so a code↔docs pair — a command and the reference page that restates it — is not reported however strongly the two co-change; nor is coupling that runs THROUGH a build step or config file.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

No strong hidden change-coupling between production files.

✓ On the Gold path — maintain.

Detailed fixes: d35_recommendation.md.

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D36 · Supply-chain Provenance & Signing2.5 / 10Weak✓ Tool-verified

What it measures: Whether the build pipeline provides supply-chain integrity — generated provenance/attestation, signed artifacts (cosign/sigstore), an SBOM, and pinned build actions. Presence of the configuration, not a runtime guarantee.

Method: Supply-chain provenance/signing read deterministically from CI/build config (.github/workflows, .gitlab-ci.yml, azure-pipelines, Jenkinsfile, .circleci) + the release surface: four signals — generated provenance/attestation (SLSA/in-toto/actions-attest), artifact signing (cosign/sigstore/gitsign), an SBOM (syft/sbom-action/*.spdx.json/*.cdx.json), and SHA-pinned build actions — scored 10·present/denom. NotApplicable without a build pipeline. Detects configuration presence, not runtime enforcement.

Maturity: Documented → Verified → Prevented · effective 2.5 / 10 · rule-coverage 100% · ceiling Documented

1/4 supply-chain integrity signals present (provenance, signing, SBOM, pinned actions).

REDACTED

What to do

Resolve the 1 REDACTED finding(s) in Supply-chain Provenance & Signing — start with REDACTED. — One of this dimension's main actionable groups (1 warning-level).
Resolve the 1 REDACTED finding(s) in Supply-chain Provenance & Signing. — One of this dimension's main actionable groups (1 recommendation-level).
Resolve the 1 REDACTED finding(s) in Supply-chain Provenance & Signing. — One of this dimension's main actionable groups (1 recommendation-level).

Detailed fixes: d36_recommendation.md · top locations in Appendix A, every location in findings.md.

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D37 · Vulnerability-disclosure Policy10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether the repository publishes a coordinated-vulnerability-disclosure policy (SECURITY.md or security.txt) with a reporting contact, so finders know how to report a vulnerability. Presence of a policy file with a contact, not whether the policy is adequate or honoured.

Method: Vulnerability-disclosure policy read deterministically from the repo: a SECURITY.md (root/.github/docs) or .well-known/security.txt / security.txt, regex-checked for a reporting contact (email / URL / mailto). Present + contact → 10; present without a contact → 4; NotApplicable when no policy file exists (it may live off-repo). Detects the policy file's presence + contact, not its adequacy.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

A vulnerability-disclosure policy (SECURITY.md) is published with a reporting contact.

✓ On the Gold path — maintain.

Detailed fixes: d37_recommendation.md.

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D43 · Malicious Dependencies10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether any dependency the repository declares is published as MALICIOUS rather than merely vulnerable — a package that is an attacker's work, in any ecosystem osv-scanner reads. Scored apart from D30 because the answer is binary: there is no safe version to upgrade to, and the fix is to remove the package and rotate every credential it could have read.

Method: The same dependency scan D30 reads, partitioned on the scanner's own classification rather than rescanned: a row is MALICIOUS when its id is in the `MAL-` space (the ossf/malicious-packages feed) OR its `database_specific.cwe_ids` carries `CWE-506` ("Embedded Malicious Code"). Both channels are structural; the summary text is deliberately NOT read, because a malicious-package record whose summary says only "Critical severity vulnerability" is a real shape ([GHSA redacted]) and a text matcher misses it. Scored BINARY: any surviving row is 0, whatever its severity and however many CVEs sit beside it — a hostile dependency is not a quantity. Applicability and degradation are D30's: NotApplicable only when no ecosystem is readable, and an unscannable ecosystem degrades rather than reading clean. SCORED, not informational.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

No dependency in any ecosystem this repository declares is published as malicious.

✓ On the Gold path — maintain.

Detailed fixes: d43_recommendation.md.

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D44 · Platform End-of-Life10.0 / 10Exemplary✓ Tool-verified

What it measures: Whether anyone still ships security patches for the platform this repository RUNS ON — the runtime it pins and the framework majors its own constraints hold it to. Separate from D12 because the question differs: a current Django on an end-of-life Python is perfectly up to date and completely unsupported, and the fix is a migration rather than a version bump. What the repository says it merely SUPPORTS is never charged.

Method: End-of-life PLATFORM read from the repository's own declarations and graded against a FROZEN, dated table of vendor support dates — no network, no feed, no API, so this dimension answers identically inside a closed scan fence. Two subjects: a RUNTIME the project pins (a single or all-end-of-life TargetFramework, a .nvmrc or .python-version, a requires-python CAP) and a FRAMEWORK major a dependency constraint cannot move off (a caret, tilde or exact version; `vue@^2.7.16` pins Vue 2). A FLOOR is deliberately never charged — `requires-python = ">=3.8"` states what a package SUPPORTS, not what it runs on — and a multi-target project is charged only when EVERY target is out of support. Runtime 4.0/product capped 8.0, framework 1.5 capped 4.5. The table is safe to freeze because a statement about support that ended in the past cannot become false: it loses recall as it ages, never precision, and a test asserts every entry predates the freeze date. Disjoint from D31 (a container image's OS layer) and D29 (the toolchain a CI workflow installs). Abstains when the repository declares no platform this pass reads — never scores it clean.

Maturity: Documented → Verified → Prevented · effective 10.0 / 10 · rule-coverage 100% · ceiling Documented

0 end-of-life runtime(s) and 0 end-of-life framework(s), read from 1 platform declaration(s) and 0 dependency declaration(s). This dimension reads what the repository says about ITSELF — a pinned target framework, a version file, a capped requires-python, a Rust toolchain pin, a framework major a constraint cannot move off. A FLOOR is deliberately never charged: `requires-python = ">=3.8"` states what the package SUPPORTS, not what it runs on, and a well-maintained library declares exactly that while running its own CI on a current release. The end-of-life facts are FROZEN and dated, so this dimension needs no network and answers identically inside a closed scan fence; as the table ages it loses recall and never precision, because a statement about support that ended in the past cannot become false. The OS layer of a container image is D31's question and the toolchain a CI workflow installs is D29's; this row is neither.

✓ On the Gold path — maintain.

Detailed fixes: d44_recommendation.md.

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Frontend & cross-cutting dimensions

R = React/JS · M = Maturity · P = Readiness.

AC2 · Forms & labels3.7 / 10Weak✓ Tool-verified

Other · Accessibility — Whether form controls have a programmatic label (an associated label, aria-label or aria-labelledby), buttons have text, links have an accessible name, a click handler on a plain element names the control it declares, fieldsets have a non-empty legend, known UI-library field components carry a label prop, and a placeholder isn't used as the only label. Static markup readiness, not a WCAG conformance claim.

Method: Static markup-model scan: inputs/selects/textareas checked for an associated label[for]/wrapping label/aria-label/aria-labelledby (per document), buttons for accessible text, fieldsets for a legend; placeholder-only labelling flagged. Deterministic, hard fact per control.

Coverage: Population: form controls, buttons, links, fieldsets and known UI-library field components in the PARSED MARKUP files only (.html/.htm/.cshtml/.razor/.vue/.svelte/.jsx/.tsx); components, hidden subtrees and spread/dynamic-attribute elements are skipped, so a control whose label arrives through a spread or a runtime expression is deliberately not judged. Markup built in script — tagged-template (html`…`) UIs and hyperscript DOM factories — is not read at all.

This <label> has no htmlFor and wraps no form control, so it names nothing: assistive tech never announces it, and clicking the caption focuses no field. Note that an id on the label is not an association — it is the TARGET of one, so a control still has to point at it. Give the label htmlFor="<the control's id>", move the control inside the label, or point the control's aria-labelledby at this label's id. (×3) — website/src/website/pages/home/Home.tsx:188, website/src/website/pages/home/Home.tsx:196, website/src/website/pages/playground/SettingsDialog.tsx:396
This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed. (×9) — website/src/website/pages/home/Home.tsx:189, website/src/website/pages/home/Home.tsx:197, website/src/website/pages/playground/PlaygroundPageContent.tsx:331, …
A fieldset groups related controls but has no <legend> to name the group. Add a <legend> as its first child — or, if the group already has a visible caption beside it (or the fieldset is there only to disable its subtree and carries no group box), point aria-labelledby at that caption's id instead, which names the group without rendering a second one. (×3) — website/src/website/pages/playground/SettingsDialog.tsx:72, website/src/website/pages/playground/SettingsDialog.tsx:115, website/src/website/pages/playground/SettingsDialog.tsx:173

What to do

Give every control a programmatic label (a <label for> / wrapping <label> / aria-label) and every button text — a placeholder is not a label.

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AC3 · Page structure3.8 / 10Weak✓ Tool-verified

Other · Accessibility — Whether pages declare a language (well-formed BCP-47) and a non-empty title, expose exactly one main landmark and a sane heading order with non-empty headings, keep zoom enabled, title their iframes, give data tables header cells, and avoid meta-refresh. Static markup readiness, not a WCAG conformance claim.

Method: Static markup-model scan: html lang, document <title>, a main landmark and heading order on full documents only, plus zoom-disabling viewports, untitled iframes and meta-refresh anywhere. Deterministic, per structural checkpoint.

Coverage: Population: the PARSED MARKUP documents (.html/.htm/.cshtml/.razor/.vue/.svelte/.jsx/.tsx). The page-level checks — lang, title, single main landmark — fire ONCE PER FULL DOCUMENT (an <html> root) and never on a partial or component fragment, so a repo of fragments is assessed only on the per-element checks (heading order, table headers, iframe titles, meta-refresh, zoom). Markup built in script — tagged-template (html`…`) UIs and hyperscript DOM factories — is not read at all.

An iframe with no title (or an empty one) is announced only as "frame". Add a non-empty title describing its content, or an aria-label. (×3) — REDACTED:94, website/src/website/pages/MonarchPage.tsx:8, website/src/website/pages/playground/Preview.tsx:75
Skipping heading levels breaks the document outline assistive tech relies on. Don't jump levels — increase by at most one. — website/src/website/pages/home/Home.tsx:52

What to do

Declare <html lang>, a document <title> and a <main> landmark, keep headings in order, leave zoom enabled, title iframes and drop meta-refresh.

Do you agree with this assessment?

AC6 · Visual & motion safety7.1 / 10Strong✓ Tool-verified

Other · Accessibility — Whether focus outlines aren't removed without a replacement, motion respects prefers-reduced-motion, and literal CSS colour pairs meet contrast — PARTIAL: inline styles, in-repo <style> blocks, in-repo .css files, var() tokens, Tailwind neutral utilities and CSS-in-JS literals are read (hex/rgb/hsl/named), never computed/runtime/external-CDN colour. Static markup readiness, not a WCAG conformance claim.

Method: Static markup/CSS scan: inline outline:none/0, literal inline colour/background contrast against the 4.5:1 AA floor, and <style>-block animation without a prefers-reduced-motion guard. Deterministic but PARTIAL — only inline styles and in-repo CSS literals are visible.

Coverage: Population: styled elements in the PARSED MARKUP files (.html/.htm/.cshtml/.razor/.vue/.svelte/.jsx/.tsx), plus in-repo <style> blocks, in-repo .css files and CSS-in-JS literals. Colour contrast is computed from LITERAL colour pairs only (hex/rgb/hsl/named, including var() tokens and Tailwind neutral utilities) — computed, runtime-themed and external-CDN colour is never resolved, so this is a partial read of contrast by construction. Markup built in script — tagged-template (html`…`) UIs and hyperscript DOM factories — is not read at all.

`.loader` moves (`animation: spin 2s linear infinite`) and nothing reads prefers-reduced-motion for it — no @media (prefers-reduced-motion) rule for this element, no reset this project loads — so a motion-sensitive user cannot turn it off (WCAG 2.3.3). Declare it under @media (prefers-reduced-motion: no-preference), or neutralise it under reduce. — website/src/runner/style.scss:24

What to do

Keep a visible focus style (don't remove the outline without a replacement), guard animation with prefers-reduced-motion, and raise low-contrast colour pairs to at least 4.5:1.

Do you agree with this assessment?

AC7 · A11y enforcement4.0 / 10Weak✓ Tool-verified

Other · Accessibility — Whether accessibility is ENFORCED in the toolchain — an accessibility checker configured over the markup (an a11y lint rule set, e.g. eslint-plugin-jsx-a11y or vuejs-accessibility where the project lints JavaScript) and an automated accessibility assertion wired into tests or CI (axe/pa11y/Lighthouse or an equivalent) — on the Documented→Verified→Prevented ladder.

Method: Repo config/CI scan: an accessibility checker configured over the markup (an a11y lint rule set such as eslint-plugin-jsx-a11y / vuejs-accessibility where JavaScript is linted) and an automated accessibility assertion in tests or CI (axe/pa11y/Lighthouse or equivalent), graded on the Documented→Verified→Prevented rungs. Deterministic, presence/rung detection.

Coverage: Population: the repository's own tooling configuration — lint config, test and CI files — NOT the markup. It is read for a configured accessibility checker and an automated accessibility assertion (axe/pa11y/Lighthouse, or a native-toolkit equivalent), and it credits an INVOCATION, never a mention: a licence filename, an import comment or a doc reference earns no rung. Enforcement configured entirely outside the repository leaves no evidence here and cannot be credited.

No accessibility enforcement found — no a11y linter (eslint-plugin-jsx-a11y) and no axe/pa11y/Lighthouse in tests or CI. Start with the linter to catch issues at author time. What was searched, so you can tell an absence from a miss: the 18 markup file(s) this pass actually assessed, the linter configuration checked in beside them, and this repository's test and CI files — matched by name against the accessibility checkers this dimension carries. An audit run outside the repository, a hosted scanner, or a check whose name is not one of those, is not seen here.

What to do

Enforce accessibility in the toolchain: add eslint-plugin-jsx-a11y, then assert with @axe-core/playwright in tests, then gate axe/pa11y/Lighthouse in CI.

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AX10 · Code composition9.0 / 10Exemplary✓ Tool-verified

Other · Architecture — How the codebase splits by code ROLE — domain, application, infrastructure, test, generated. The significance map behind the knowledge/coupling weighting, and a DDD signal in its own right: a thin domain core under fat infrastructure is the anemic-domain smell, quantified. How each file's role is decided, because the split is only as good as that: a generated name or a build-output tree makes it Generated, a test project makes it Test, and otherwise the file's NAMESPACE and PATH words are matched against fixed vocabularies in a fixed ORDER — domain, then infrastructure, then application — so a file whose words hit two layers is counted under the earlier one. A production file matching none of them counts as application, so that share reads 'application or unclassified' rather than a measured application layer. Roles come from naming convention, never from what the code does. On this repository the split was taken from the source tree on disk rather than from a loaded .NET workspace, so a file's role is decided by its PATH segments alone — no declared namespace was available to add to the evidence — and generated output is excluded from the census entirely rather than counted as a generated share.

Method: Roslyn line-count by code ROLE: every source file classified Domain/Application/Infrastructure/Test/Generated by namespace + path convention (the shared CodeRoleClassifier), then significant lines summed per role. Deterministic; the advisory score is the business-logic (domain+application) share of production code.

Coverage: Population: ALL source files, each bucketed into ONE of five roles (Domain/Application/Infrastructure/Test/Generated) by namespace + path convention — a file whose layer isn't named in the convention falls to Application (the neutral default), and the split is line-count, not semantic depth or business value.

What to do

The domain core is a small share of production code, but most of the rest matched no layer vocabulary at all — so this is not yet an anemic-domain finding. The namespace/path convention could not place that code, which makes the composition above a statement about the naming, not about the design. Name the layers (or check that the repository's conventions differ from the ones this check knows) before reading a thin domain into it.

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AX3 · Project dependency cycles10.0 / 10Exemplary✓ Tool-verified

Other · Architecture — Whether the project-reference graph is acyclic (cycles block independent build/deploy and signal eroding boundaries).

Method: Project reference cycles via elementary-DFS over real .csproj references, using the engine shared with D5/D7; cyclic versus acyclic. Exhaustive, deterministic.

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AX5 · Architecture & structure10.0 / 10Exemplary✓ Tool-verified

Other · Architecture — Whether the codebase has a recognisable, scale-appropriate structure (a named architectural style, or modular enough for its size) rather than being an ad-hoc ball of mud.

Method: Roslyn plus csproj analysis: architecture style detection (DDD, clean, vertical-slice, CQRS) and structure fitness for repo size. Deterministic.

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AX6 · Interface segregation9.9 / 10Exemplary✓ Tool-verified

Other · Architecture — Whether interfaces stay focused rather than fat — the Interface-Segregation principle (SOLID 'I').

Method: Roslyn scan: public interface declared-member counts (accessors fold into their property/event); fat-interface threshold (over 15 declared members) flagged per type. Each finding also reports the distinct-OPERATION count — members counted by name, so an overload group counts once — which decides whether it states the caller-side ISP harm or the implementer-side burden of an overload set. TypeScript: exported interfaces that declare behaviour, counted over their REQUIRED operations (method signatures and function-typed properties with no `?`, once per signature) — data-shape interfaces and ambient .d.ts declarations are outside the population; JavaScript declares no interfaces and is not applicable. Deterministic, type-level.

`TypeScriptWorker` declares 21 required operations: `getSyntacticDiagnostics`, `getSemanticDiagnostics`, `getSuggestionDiagnostics`, `getScriptText`, `getCompilerOptionsDiagnostics`, `getCompletionsAtPosition`, `getCompletionEntryDetails`, `getSignatureHelpItems`, `getQuickInfoAtPosition`, `getDocumentHighlights`, `getDefinitionAtPosition`, `getReferencesAtPosition`, `getNavigationTree`, `getFormattingEditsForDocument`, `getFormattingEditsForRange`, `getFormattingEditsAfterKeystroke`, `findRenameLocations`, `getRenameInfo`, `getEmitOutput`, `getCodeFixesAtPosition`, `provideInlayHints`. Counted over its REQUIRED operations — a method signature or a function-typed property with no `?`, once per signature; optional members and data properties are not counted, because no implementer is forced to write them. A wide interface forces every implementer and caller to depend on methods they don't use (the Interface-Segregation 'I' in SOLID). Split it into focused role-interfaces. — src/languages/features/typescript/register.ts:389

What to do

Split fat interfaces into focused role-interfaces so clients depend only on what they use.

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AX7 · Slice cohesion10.0 / 10Exemplary✓ Tool-verified

Other · Architecture — Whether feature slices stay independent (no direct cross-slice references) — the discipline that makes vertical-slice architecture pay off.

Method: Roslyn scan (vertical-slice gated): feature slices resolved from namespaces (.Features.*, .Slices.*) or project names; cross-slice type references detected. Deterministic, traceable.

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GD1 · Unfinished & placeholder code10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Unreviewed-generation residue in this repository's JavaScript/TypeScript: functions whose whole body still throws a "not implemented" error, and placeholder text (lorem ipsum, changeme/replace_me…) left in strings and JSX of non-test, non-generated code. Scored as a quality signature, never as a claim about authorship.

Method: Roslyn syntax scan: NotImplementedException throws and placeholder string literals in non-test, non-generated shipped code. Deterministic, code-shape signature.

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IC1 · Incompleteness & stubs7.7 / 10Strong✓ Tool-verified

Other · Code Health — Unfinished work detected by code SHAPE, not keywords, in this repository's JavaScript/TypeScript: functions that only throw a "not implemented" error, functions that take inputs and return a constant or do nothing, async functions that never await, dead `if (false)` branches, and skeleton classes most of whose methods are holes.

Method: Roslyn syntax scan: incompleteness by code shape (constant-returning methods, async-never-await, #if false branches, guards that return what the code already falls through to, tests an earlier guard already decided, comparisons against NaN, skeleton types), not keyword-gated. Deterministic, code-shape heuristic.

The guard above `return link;` also returns `link`, so no input can make it matter. Implement the distinction that was intended, or delete the guard. — monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:64
`main` is declared `async` but never awaits anything, so it runs synchronously while pretending to be asynchronous. Drop `async` or do the real async work. — website/src/runner/debug.ts:50
`onDidValueChange` is wired to an arrow whose body is empty — the markup attaches a listener that does nothing. Implement the handler, or remove the attribute that wires it. — website/src/website/pages/home/Home.tsx:210
`getNpmVersions` is declared `async` but never awaits anything, so it runs synchronously while pretending to be asynchronous. Drop `async` or do the real async work. — website/src/website/pages/playground/getNpmVersionsSync.ts:18

What to do

Remove the dead code that still moves this score: delete dead if(false) branches and either do the real async work or drop the async keyword from fake-async functions.

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M1 · Documentation (README)7.0 / 10Strong✓ Tool-verified

Maturity · Maturity — Whether the repo and its projects have a README, and whether it's substantive and current.

Method: Filesystem scan: README presence, word count, and headings for depth; git history for staleness. Exhaustive across root and project dirs, deterministic.

What to do

Explain in the README how to run the tests. Add a section called Testing to the README in the repository's top folder, saying how to run the test suite.
Add an 'Architecture' / 'How it works' section to the root README — the high-level shape.
Add a README to the 13 of 16 project(s) that lack one — worth up to 1.6 pts.

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M2 · Architecture documentation0.0 / 10Critical✓ Tool-verified

Maturity · Maturity — Whether key decisions (ADRs) and the high-level shape (C4/diagrams) are written down.

Method: Filesystem scan: ADR folder/naming conventions or content, plus Mermaid/PlantUML/C4/architecture.md discovery. Exhaustive, deterministic.

No Architecture Decision Records found — no conventional ADR directory, no numbered `NNNN-title` documents in any markup this check reads, and nothing ADR-shaped by content. Design rationale recorded elsewhere (a design-notes tree, a mailing list, pull-request discussion) is not visible to this check and is not re-findable per decision, so a future maintainer cannot ask why one choice was made and get an answer.
No C4/Structurizr/PlantUML/Mermaid/Graphviz/D2 diagram, no drawn diagram named for the architecture, no file named `architecture` or `design` in any markup this check reads, and nothing in the README, docs or contributor guides that announces the shape — no `## Architecture` heading, no "architecture overview"/"high-level design" phrasing, no "the architecture is …" introduction, no guided code tour. A shape laid out in prose that never names itself as the architecture is not visible to this check, and neither is one kept outside the repository, so this row reports the absence of a re-findable shape document — not evidence that nobody wrote the shape down.

What to do

Record your significant design decisions. Write one short document per decision, giving its date, the situation, the decision and its consequences, and keep them together with your other design documents. A docs/adr folder with each file named by number and title is the easiest place to find them.
Add a C4 context/container diagram (Structurizr, PlantUML or Mermaid) or an architecture.md overview.

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M3 · Folder & project structure10.0 / 10Exemplary✓ Tool-verified

Maturity · Maturity — Whether the repo is organised deliberately — src/test separation and consistent project naming.

Method: Filesystem scan: src/test folder separation and namespace-prefix consistency (majority RootNamespace agreement). Exhaustive across projects, deterministic.

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M4 · Documentation accuracy9.2 / 10Exemplary◐ Sampled · advisory

Maturity · Maturity — Whether the README actually describes the code that exists (LLM-judged, advisory).

Method: Judged by language model at low temperature: README accuracy versus actual projects, within a disclosed tolerance. Advisory, not a measured number.

CONTRIBUTING.md runs `yarn gulp editor-distro`, but no package.json declares a `gulp` script. Checked without a model against the repository: its files and folders, the scripts and dependencies of every package.json, the projects, namespaces, package references and target frameworks of the .NET build, the SDK and Node pins, and the identifiers of every file that is not a document; the documents' own text never counts. A footprint generated at build time, read only by a platform, or living outside this repository is not seen, and this row is then wrong. — CONTRIBUTING.md:51
README.md names `monaco.d.ts`, but no file or folder `monaco.d.ts` exists. Checked without a model against the repository: its files and folders, the scripts and dependencies of every package.json, the projects, namespaces, package references and target frameworks of the .NET build, the SDK and Node pins, and the identifiers of every file that is not a document; the documents' own text never counts. A footprint generated at build time, read only by a platform, or living outside this repository is not seen, and this row is then wrong. — README.md:27
docs/integrate-esm.md runs `sh ./build_workers.sh`, but `build_workers.sh` does not exist. Checked without a model against the repository: its files and folders, the scripts and dependencies of every package.json, the projects, namespaces, package references and target frameworks of the .NET build, the SDK and Node pins, and the identifiers of every file that is not a document; the documents' own text never counts. A footprint generated at build time, read only by a platform, or living outside this repository is not seen, and this row is then wrong. — docs/integrate-esm.md:183

What to do

Reconcile the README with reality: CONTRIBUTING.md runs `yarn gulp editor-distro`, but no package.json declares a `gulp` script; README.md names `monaco.d.ts`, but no file or folder `monaco.d.ts` exists; docs/integrate-esm.md runs `sh ./build_workers.sh`, but `build_workers.sh` does not exist.

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P1 · CI/CD gates10.0 / 10Exemplary○ Nothing flagged

Readiness · Readiness — Whether an automated pipeline builds and tests every change.

Method: Filesystem scan: CI workflow files (.github/workflows, .gitlab-ci.yml, etc.) for build and test stages. Exhaustive, deterministic.

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P10 · Library API & versioning10.0 / 10Exemplary○ Nothing flagged

Readiness · Readiness — For a library: a deliberate (small) public API surface and explicit semantic versioning so consumers can depend on it safely.

Method: Roslyn scan: public API surface area and semantic-versioning markers (SemVer attributes, changelog entries) for libraries; off .NET, a library is the ecosystem's publication act (an npm package that is not private and names an entry point, a PyPI distribution with a build system, a Rust library crate, a Maven/Gradle module that publishes, a Go module with no package main, a gemspec, a Composer library, a SwiftPM library product, a pub.dev or Hex package), its surface is the share of types the language model records as public (Rust, Swift, Java, Kotlin, Go, Dart; not measured where the model records no type visibility or, as in TypeScript, only module-level export), and its version is read from the manifest, a semver CHANGELOG, release tooling or semver git tags. Exhaustive, deterministic.

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P2 · Observability0.0 / 10Critical✓ Tool-verified

Readiness · Readiness — Whether the code is diagnosable in production — structured logging, tracing/metrics, health checks.

Method: Filesystem/Roslyn scan: structured-logging frameworks (Serilog, NLog), OpenTelemetry, and health-check endpoint patterns. Exhaustive, deterministic.

No logging call was found in the 401 JavaScript/TypeScript production file(s) this check read across 4 module(s). Each was searched for its ecosystem's logging libraries (JavaScript/TypeScript: pino, winston, bunyan, log4js, loglevel, consola, the NestJS Logger) and for a call on a receiver named `log`/`logger` (or ending in `Logger`/`_logger`) with a level verb. It cannot see logging through a repo-local wrapper named otherwise, or in source it did not read — this is 'no logging found by this walk', not a verdict that nothing here logs. If it is right, production issues will be hard to diagnose.

What to do

Adopt pino (or winston) and log at meaningful points in the services you run.
Consider OpenTelemetry tracing/metrics (@opentelemetry/sdk-node) and a health-check endpoint (@godaddy/terminus or a /health route) for operability.

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P3 · Security & performance tooling3.0 / 10Weak✓ Tool-verified

Readiness · Readiness — Whether SAST, secret/dependency scanning and performance benchmarking are wired in (presence, not runtime).

Method: Filesystem scan: SAST configuration, dependency-update automation, secret scanning, and a benchmark harness or benchmark step — in this repository's own ecosystem. Exhaustive, deterministic.

No static application security testing detected. For this repository's stack, add CodeQL's javascript-typescript pack, `semgrep --config=p/typescript`, or eslint-plugin-security as a CI step. What was searched, so you can tell an absence from a miss: the 5581 CI workflow file(s) in this repository, and the scanner and linter configuration checked in beside them. A scan that runs outside CI, one configured in your forge's web UI rather than in a committed file, or a tool whose name is none of those this check carries, is not seen — if that is your case the row is wrong, and saying so is more useful than adding a second scanner.

What to do

Add a SAST step to CI running what this repository's stack ships: CodeQL's javascript-typescript pack, `semgrep --config=p/typescript`, or eslint-plugin-security — so a security regression fails the build instead of landing.
Dependabot is configured but does not watch `npm` — add that `package-ecosystem` entry to .github/dependabot.yml so those dependencies get the same automatic update and advisory pressure as the ones it already covers.
Add gitleaks/trufflehog in CI to block PRs that introduce committed secrets.

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P4 · Deployment & Rollback8.0 / 10Strong✓ Tool-verified

Readiness · Readiness — Whether releases are automated and safely reversible (probes, rolling updates, approval gates) — from manifests/pipeline files, not the live environment.

Method: Filesystem scan: deployment manifests/IaC (K8s YAML, Helm, Terraform) for rolling updates, probes, approval gates, migration hooks. Exhaustive, deterministic.

What to do

Make sure a person approves each release. The release job names an environment, but its approval rules live in the code host's settings, where Watchdog can't see them. Check that a reviewer must approve each release, or publish releases as drafts first, so a bad build can be stopped before anyone downloads it.

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P6 · Release Hygiene10.0 / 10Exemplary✓ Tool-verified

Readiness · Readiness — Whether releases are traceable — a maintained changelog and explicit version stamping.

Method: Filesystem scan: changelog file presence and version tags in csproj or git tags. Exhaustive, deterministic.

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P7 · Outbound HTTP resilience3.0 / 10Weak✓ Tool-verified

Readiness · Readiness — Whether outbound HTTP calls are wrapped in resilience (retry/timeout/circuit-breaker) so a failing dependency doesn't cascade.

Method: Source scan: outbound HTTP clients and what bounds them — resilience handlers (Polly, AddStandardResilienceHandler) on .NET; on Go, the JVM, Python, JavaScript/TypeScript, Ruby, PHP, Rust, Elixir, Swift, Dart and Erlang, a timeout, deadline, retry or breaker beside each call, or a process-wide client default (a framework-wide deadline such as Drupal core's, Laravel's or actix's awc counts). Exhaustive, deterministic.

`fetch(` makes an outbound HTTP call, and nothing bounds it: no timeout, deadline, retry or circuit breaker is set for it here, and the client has no process-wide default. A slow or failing dependency will hold this service's request, thread or connection until the call gives up on its own — or never, for a client with no default timeout. (×2) — build/amd/src/loader.js:477, src/languages/features/json/jsonWorker.ts:14

What to do

Bound every outbound call: pass `signal: AbortSignal.timeout(ms)` to `fetch`, set `timeout` on the axios instance (`axios.create({ timeout })`), and add retries with back-off (`axios-retry`, `p-retry`) and a breaker (`opossum`, `cockatiel`) around dependencies that fail.

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PF3 · Async & latency hygiene10.0 / 10Exemplary✓ Tool-verified

Readiness · Performance — Whether asynchronous code stays responsive — it avoids sync-over-async blocking (a .NET .Wait()/.GetAwaiter().GetResult(), a time.sleep or blocking HTTP call inside a Python coroutine, a *Sync call inside an async JavaScript function, block_on inside a Rust async fn, runBlocking inside a Kotlin suspend function, block() inside a Reactor publisher) that stalls a thread or event loop and risks deadlock, and, where the code is a reusable library on .NET, awaits with ConfigureAwait(false) so it never captures and stalls its caller's context.

Method: Production-source scan: sync-over-async blocking counted everywhere — .Wait()/.GetAwaiter().GetResult() in .NET; off .NET, read from the language model, a blocking call inside an async function (Python, TS/JS, Rust, Kotlin, Swift, Dart) or inside a Java method returning a Reactor Mono/Flux or a Scala method returning a Future or effect — and, for a .NET library with ≥5 awaits, the share of awaits using ConfigureAwait(false). Deterministic, syntax/text detection.

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R1 · Type Safety8.1 / 10Strong✓ Tool-verified

React / JS · Code Health — How much of the frontend is typed TypeScript vs untyped JavaScript.

Method: Frontend file inventory: the share of typed TypeScript vs untyped JavaScript across the source tree. Deterministic, exhaustive over frontend files.

What to do

Migrate the remaining .js/.jsx files to TypeScript.

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R10 · Code Duplication9.3 / 10Exemplary✓ Tool-verified

React / JS · Code Health — Near-exact copy-pasted blocks of substantial extent across the frontend (the D4 clone algorithm over JS/TS tokens, D-386): a block is reported only where its copies still agree on most of their own identifiers and literals, or were renamed as they were pasted but kept most of their constants, and where the copies carry enough code to stand on their own or the copied extent reaches 30 lines — so a re-implementation sharing neither names nor values, and a small pasted declaration, are both found and deliberately not reported, and a clean R10 is not a claim that nothing was copied.

Method: Near-exact copy-pasted blocks of substantial extent across the frontend (the D4 clone algorithm run over JS/TS tokens). Masking finds the candidates; a block is reported when its copies still agree on most of their own identifiers and literals, or when a renamed copy still agrees on most of its constants, AND the copies carry enough code to stand on their own — or when the copied extent reaches 30 lines. So a re-implementation sharing neither names nor values, and a small pasted declaration, are deliberately not counted. Deterministic.

69 duplicated blocks under src/languages/definitions/ have copies in at least two of the sibling directories apex, bat, bicep, cameligo, coffee, cpp (+54 more sibling(s) not listed) — 17 of them are reported below, and 52 are counted here but not reported individually: those copies match on shape but no longer clear R10's bar for an individually reported row — either they kept neither their own names nor their values, or what was copied is too small to stand on its own (it reports near-exact duplication only, and only of substantial extent). What this row states is the concentration, which the detector measured over all 69 and which does not depend on how exactly each block's copies still match. That concentration is one structural fact, not 69 local ones: the siblings replicate behaviour none of them owns, which is the shape of a missing shared module — a common library every sibling imports — rather than 69 separate extractions. Check first whether the siblings are deliberately standalone deliverables (scaffold templates, demo apps that must stay copy-pasteable); where they are, the duplication is the design and the per-block rows are the ones to act on. — src/languages/definitions/coffee/coffee.ts:158
18 duplicated blocks under src/languages/features/ have copies in at least two of the sibling directories common, css, html, json, typescript — 12 of them are reported below, and 6 are counted here but not reported individually: those copies match on shape but no longer clear R10's bar for an individually reported row — either they kept neither their own names nor their values, or what was copied is too small to stand on its own (it reports near-exact duplication only, and only of substantial extent). What this row states is the concentration, which the detector measured over all 18 and which does not depend on how exactly each block's copies still match. That concentration is one structural fact, not 18 local ones: the siblings replicate behaviour none of them owns, which is the shape of a missing shared module — a common library every sibling imports — rather than 18 separate extractions. Check first whether the siblings are deliberately standalone deliverables (scaffold templates, demo apps that must stay copy-pasteable); where they are, the duplication is the design and the per-block rows are the ones to act on. — src/languages/features/css/cssWorker.ts:10
src/languages/features/css/cssWorker.ts:10 · src/languages/features/html/htmlWorker.ts:11 — the two spans are one implementation copied and then locally edited — 726 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one. — src/languages/features/css/cssWorker.ts:10
src/languages/definitions/coffee/coffee.ts:158 · src/languages/definitions/mips/mips.ts:122 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/coffee/coffee.ts:158
src/languages/definitions/solidity/solidity.ts:6 · src/languages/definitions/sophia/sophia.ts:6 — these 2 files are line-for-line copies of one another — 73 lines are identical, in the same order, in every one of them — so this is one fact about the file set, not a block to extract. An edit made to one file and not the others changes behaviour silently, which is the failure a wholesale copy guarantees. Pick one file as the single source and derive the others from it (re-export it, spread it into the local overrides each variant genuinely needs, or generate the copies at build time) — the few lines that differ between the files are exactly the part each variant should still own. Check first whether the copies are deliberately standalone deliverables (a translation file seeded from its sibling and waiting to be translated); where they are, the duplication is the design, and the honest move is to mark the seeded file as untranslated rather than to let it pass as done. — src/languages/definitions/solidity/solidity.ts:6
src/languages/features/css/workerManager.ts:11 · src/languages/features/json/workerManager.ts:11 — the 2 copies are spread across 2 directories, so the shared home is a decision rather than an obvious spot: check first whether one of them already owns this behaviour, and otherwise put the extracted module somewhere all of the sites already reach rather than making one of them depend on another. — src/languages/features/css/workerManager.ts:11
src/languages/definitions/mysql/mysql.ts:6 · src/languages/definitions/pgsql/pgsql.ts:6 · src/languages/definitions/redshift/redshift.ts:6 — these 3 files are line-for-line copies of one another — 66 lines are identical, in the same order, in every one of them — so this is one fact about the file set, not a block to extract. An edit made to one file and not the others changes behaviour silently, which is the failure a wholesale copy guarantees. Pick one file as the single source and derive the others from it (re-export it, spread it into the local overrides each variant genuinely needs, or generate the copies at build time) — the few lines that differ between the files are exactly the part each variant should still own. Check first whether the copies are deliberately standalone deliverables (a translation file seeded from its sibling and waiting to be translated); where they are, the duplication is the design, and the honest move is to mark the seeded file as untranslated rather than to let it pass as done. — src/languages/definitions/mysql/mysql.ts:6
src/languages/definitions/cameligo/cameligo.ts:120 · src/languages/definitions/pascaligo/pascaligo.ts:110 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/cameligo/cameligo.ts:120
src/languages/definitions/pgsql/pgsql.ts:788 · src/languages/definitions/sql/sql.ts:771 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/pgsql/pgsql.ts:788
src/languages/features/html/htmlWorker.ts:103 · src/languages/features/json/jsonWorker.ts:119 — the two spans are one implementation copied and then locally edited — 300 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one. — src/languages/features/html/htmlWorker.ts:103
src/languages/definitions/pascal/pascal.ts:188 · src/languages/definitions/pascaligo/pascaligo.ts:100 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/pascal/pascal.ts:188
src/languages/definitions/dart/dart.ts:238 · src/languages/definitions/typescript/typescript.ts:286 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/dart/dart.ts:238
monaco-lsp-client/src/adapters/languageFeatures/LspDeclarationFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspDefinitionFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspImplementationFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspTypeDefinitionFeature.ts:8 — the 4 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it. There is one copy in each of 4 separate files rather than several in one place, so check first whether these are sibling modules that each declare their own version of one shape — one per entity, per provider, per language. Where they are, no single extracted module collapses them: each module still has to be written, and what recurs is the TEMPLATE. The moves that do collapse a template are to generate these modules from the set they enumerate, or to replace the repeated construction with one factory each site calls with its own values — and where the set is the point, each module pinning one distinct thing, the repetition IS the enumeration and there is nothing to delete. — monaco-lsp-client/src/adapters/languageFeatures/LspDeclarationFeature.ts:8
src/languages/features/html/htmlWorker.ts:53 · src/languages/features/json/jsonWorker.ts:104 — the two spans are one implementation copied and then locally edited — 228 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one. — src/languages/features/html/htmlWorker.ts:53
monaco-lsp-client/src/adapters/languageFeatures/LspCodeActionFeature.ts:122 · monaco-lsp-client/src/adapters/languageFeatures/LspRenameFeature.ts:93 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported. — monaco-lsp-client/src/adapters/languageFeatures/LspCodeActionFeature.ts:122
src/languages/definitions/apex/apex.ts:220 · src/languages/definitions/java/java.ts:122 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/apex/apex.ts:220
src/languages/features/html/register.ts:108 · src/languages/features/json/register.ts:258 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported. — src/languages/features/html/register.ts:108
src/languages/definitions/handlebars/handlebars.ts:47 · src/languages/definitions/liquid/liquid.ts:45 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/handlebars/handlebars.ts:47
src/languages/features/css/register.ts:144 · src/languages/features/json/register.ts:264 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported. — src/languages/features/css/register.ts:144
src/languages/features/common/lspLanguageFeatures.ts:52 · src/languages/features/typescript/languageFeatures.ts:237 — the two spans are one implementation copied and then locally edited — 176 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one. — src/languages/features/common/lspLanguageFeatures.ts:52
monaco-lsp-client/src/adapters/languageFeatures/LspDocumentSymbolFeature.ts:23 · monaco-lsp-client/src/adapters/languageFeatures/LspFoldingRangeFeature.ts:21 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported. — monaco-lsp-client/src/adapters/languageFeatures/LspDocumentSymbolFeature.ts:23
src/languages/features/typescript/languageFeatures.ts:773 · src/languages/features/typescript/languageFeatures.ts:826 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited. — src/languages/features/typescript/languageFeatures.ts:773
monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:17 · monaco-lsp-client/src/adapters/languageFeatures/LspDocumentSymbolFeature.ts:24 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported. — monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:17
src/languages/features/css/cssMode.ts:110 · src/languages/features/html/htmlMode.ts:136 — the 2 copies are spread across 2 directories, so the shared home is a decision rather than an obvious spot: check first whether one of them already owns this behaviour, and otherwise put the extracted module somewhere all of the sites already reach rather than making one of them depend on another. — src/languages/features/css/cssMode.ts:110
monaco-lsp-client/src/adapters/languageFeatures/LspFoldingRangeFeature.ts:22 · monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:16 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported. — monaco-lsp-client/src/adapters/languageFeatures/LspFoldingRangeFeature.ts:22
src/languages/features/html/workerManager.ts:17 · src/languages/features/typescript/workerManager.ts:14 — the two spans are one implementation copied and then locally edited — 132 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one. — src/languages/features/html/workerManager.ts:17
monaco-lsp-client/src/adapters/languageFeatures/LspHoverFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspRenameFeature.ts:8 — the 2 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it. — monaco-lsp-client/src/adapters/languageFeatures/LspHoverFeature.ts:8
monaco-lsp-client/src/adapters/languageFeatures/LspCodeLensFeature.ts:10 · monaco-lsp-client/src/adapters/languageFeatures/LspDocumentHighlightFeature.ts:9 · monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspOnTypeFormattingFeature.ts:8 · +3 more site(s) not listed — the 7 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it. There is one copy in each of 7 separate files rather than several in one place, so check first whether these are sibling modules that each declare their own version of one shape — one per entity, per provider, per language. Where they are, no single extracted module collapses them: each module still has to be written, and what recurs is the TEMPLATE. The moves that do collapse a template are to generate these modules from the set they enumerate, or to replace the repeated construction with one factory each site calls with its own values — and where the set is the point, each module pinning one distinct thing, the repetition IS the enumeration and there is nothing to delete. — monaco-lsp-client/src/adapters/languageFeatures/LspCodeLensFeature.ts:10
monaco-lsp-client/src/adapters/languageFeatures/LspRangeFormattingFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspReferencesFeature.ts:8 — the 2 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it. — monaco-lsp-client/src/adapters/languageFeatures/LspRangeFormattingFeature.ts:8
monaco-lsp-client/src/adapters/languageFeatures/LspCodeLensFeature.ts:34 · monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:29 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported. — monaco-lsp-client/src/adapters/languageFeatures/LspCodeLensFeature.ts:34
src/languages/definitions/razor/razor.ts:52 · src/languages/definitions/xml/xml.ts:21 — the two spans are one implementation copied and then locally edited — 67 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one. — src/languages/definitions/razor/razor.ts:52
REDACTED:9 · REDACTED:28 — the two spans are one implementation copied and then locally edited — 98 tokens are still identical, in the same order in both spans, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one. — REDACTED:9
src/languages/definitions/markdown/markdown.ts:21 · src/languages/definitions/restructuredtext/restructuredtext.ts:18 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/markdown/markdown.ts:21
src/languages/features/css/cssMode.ts:30 · src/languages/features/json/jsonMode.ts:84 — the 2 copies are spread across 2 directories, so the shared home is a decision rather than an obvious spot: check first whether one of them already owns this behaviour, and otherwise put the extracted module somewhere all of the sites already reach rather than making one of them depend on another. — src/languages/features/css/cssMode.ts:30
src/languages/definitions/coffee/coffee.ts:29 · src/languages/definitions/powershell/powershell.ts:29 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/coffee/coffee.ts:29
monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:44 · monaco-lsp-client/src/adapters/languageFeatures/LspOnTypeFormattingFeature.ts:55 · monaco-lsp-client/src/adapters/languageFeatures/LspRangeFormattingFeature.ts:46 — the 3 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it. There is one copy in each of 3 separate files rather than several in one place, so check first whether these are sibling modules that each declare their own version of one shape — one per entity, per provider, per language. Where they are, no single extracted module collapses them: each module still has to be written, and what recurs is the TEMPLATE. The moves that do collapse a template are to generate these modules from the set they enumerate, or to replace the repeated construction with one factory each site calls with its own values — and where the set is the point, each module pinning one distinct thing, the repetition IS the enumeration and there is nothing to delete. — monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:44
src/languages/definitions/css/css.ts:31 · src/languages/definitions/less/less.ts:28 · src/languages/definitions/scss/scss.ts:28 — the 3 copies are spread across 3 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/css/css.ts:31
src/languages/definitions/java/java.ts:30 · src/languages/definitions/kotlin/kotlin.ts:30 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/java/java.ts:30
monaco-lsp-client/generator/index.ts:564 · monaco-lsp-client/generator/index.ts:588 — all 2 copies are in the same file, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported. — monaco-lsp-client/generator/index.ts:564
src/languages/definitions/cpp/cpp.ts:27 · src/languages/definitions/rust/rust.ts:26 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases. — src/languages/definitions/cpp/cpp.ts:27

What to do

Act on each finding's own remediation rather than one rule: the move depends on what recurs. Where the copies are executable blocks, give the shared part one home and call it from each site; where they are declarations, a listing, a specialisation already delegating to its base, or one shape repeated per entity, there is no call site and the move is a shared type, a generated set or a factory — sometimes there is nothing to extract.

Do you agree with this assessment?

R2 · Cyclomatic Complexity9.8 / 10Exemplary✓ Tool-verified

React / JS · Code Health — Per-function cyclomatic/cognitive complexity from the token-level function scanner (D-386) — real branching, not a regex heuristic.

Method: Per-function cyclomatic/cognitive complexity from a token-level function scanner (real branching, not a regex heuristic), computed over every frontend function. Deterministic.

tokenize has cyclomatic complexity 24 and cognitive complexity 22; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes. — src/languages/features/json/tokenization.ts:144
createMonarchLanguage has cyclomatic complexity 14 and cognitive complexity 13; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes. — REDACTED:294
registerProviders has cyclomatic complexity 14 and cognitive complexity 13; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes. (×2) — src/languages/features/css/cssMode.ts:25, src/languages/features/typescript/tsMode.ts:59
generateApiContract has cyclomatic complexity 13 and cognitive complexity 16; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive is at or above cyclomatic here, so the branching is nested or entangled rather than laid out side by side — extracting each decision into its own named function is the change that pays. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes. — monaco-lsp-client/generator/index.ts:514
normalizePath has cyclomatic complexity 11 and cognitive complexity 11; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive is at or above cyclomatic here, so the branching is nested or entangled rather than laid out side by side — extracting each decision into its own named function is the change that pays. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes. — src/languages/features/json/jsonWorker.ts:197
registerProviders has cyclomatic complexity 11 and cognitive complexity 10; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes. (×2) — src/languages/features/html/htmlMode.ts:78, src/languages/features/json/jsonMode.ts:63

What to do

Break down the listed branch-heavy functions; aim P95 cyclomatic ≤ 5.

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R3 · Large Files6.4 / 10Adequate✓ Tool-verified

React / JS · Code Health — How many source files exceed the large-file threshold.

Method: Components/modules exceeding the large-file threshold, counted exhaustively across the frontend source tree. Deterministic.

src/languages/definitions/solidity/solidity.ts has 1368 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/solidity/solidity.ts:1
src/languages/definitions/abap/abap.ts has 1364 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/abap/abap.ts:1
REDACTED has 1115 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — REDACTED:1
src/languages/features/typescript/languageFeatures.ts has 1107 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/features/typescript/languageFeatures.ts:1
src/languages/definitions/powerquery/powerquery.ts has 892 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/powerquery/powerquery.ts:1
src/languages/features/common/lspLanguageFeatures.ts has 892 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/features/common/lspLanguageFeatures.ts:1
src/languages/definitions/clojure/clojure.ts has 765 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/clojure/clojure.ts:1
src/languages/definitions/postiats/postiats.ts has 711 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/postiats/postiats.ts:1
src/languages/definitions/sql/keywords.js has 706 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/sql/keywords.js:1
src/languages/features/typescript/register.ts has 685 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/features/typescript/register.ts:1
monaco-lsp-client/generator/index.ts has 598 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — monaco-lsp-client/generator/index.ts:1
src/languages/definitions/elixir/elixir.ts has 582 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/elixir/elixir.ts:1
src/languages/definitions/systemverilog/systemverilog.ts has 577 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/systemverilog/systemverilog.ts:1
src/languages/definitions/php/php.ts has 575 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/php/php.ts:1
src/languages/definitions/ruby/ruby.ts has 543 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/ruby/ruby.ts:1
src/languages/definitions/razor/razor.ts has 528 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/razor/razor.ts:1
src/languages/definitions/julia/julia.ts has 512 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/julia/julia.ts:1
src/languages/features/typescript/tsWorker.ts has 468 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/features/typescript/tsWorker.ts:1
src/languages/definitions/wgsl/wgsl.ts has 458 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/wgsl/wgsl.ts:1
src/languages/definitions/ecl/ecl.ts has 457 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/ecl/ecl.ts:1
src/languages/definitions/protobuf/protobuf.ts has 418 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/protobuf/protobuf.ts:1
src/languages/definitions/st/st.ts has 415 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module. — src/languages/definitions/st/st.ts:1

What to do

Split each oversized file along the responsibilities already in it, into smaller focused modules in the same package.

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R4 · Test Coverage9.7 / 10Exemplary✓ Tool-verified

React / JS · Readiness — Static test reachability (D-386): the share of production files reachable from any test via the import graph — measured without running anything.

Method: Static test reachability: the share of production files reachable from any test via the import graph — measured without running anything. Deterministic.

No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one. (×9) — src/languages/definitions/sql/keywords.js:1, monaco-lsp-client/generator/index.ts:1, scripts/ci/build-monaco-editor-core-pkg.ts:1, …

What to do

Add tests that import the unreached modules (directly or through their public entry).

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R5 · Dependency Freshness6.1 / 10Adequate✓ Tool-verified

React / JS · Readiness — How outdated the npm dependencies are (a maturity signal). JS/npm CVEs are scored separately in D30 (JS/npm Dependency Vulnerabilities).

Method: npm dependency staleness from manifest/registry metadata (a maturity signal; JS/npm CVEs are scored separately in D30, which answers dependency vulnerabilities for every ecosystem). Deterministic.

39 outdated package(s); JS/npm CVEs scored in D30

What to do

Bump outdated dependencies to current versions to limit upgrade debt.

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R6 · Tooling10.0 / 10Exemplary✓ Tool-verified

React / JS · Readiness — Whether the project wires up test, lint and typecheck — detected from each package.json script's COMMAND (eslint / tsc / vitest / jest / playwright), not just its name, and corroborated against CI-workflow invocations so a tool run only in CI still counts.

Method: package.json scanned for test/lint/typecheck script wiring. Deterministic presence check.

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R7 · Dead Code8.9 / 10Exemplary✓ Tool-verified

React / JS · Code Health — Files unreachable from every application/tooling/test entry point, and exports nothing imports (module-graph reachability, D-386).

Method: Dead code: files unreachable from every application/tooling/test entry point plus exports nothing imports, via module-graph reachability. Deterministic, exhaustive over the import graph.

445 file(s) (~114583 LoC) were excluded from dead-code analysis. This package's entry point(s) resolved, but the walk stopped one hop in: test/smoke/vite/index.js imports '../../../out/monaco-editor/esm/vs/editor/editor.main', which is not in the scanned tree. That is usually a generated or build-output module, so reachability cannot see past it and no dead-code claim is made about this package. Nothing is necessarily wrong here.
1 file(s) (~41 LoC) were excluded from dead-code analysis. This package's entry point(s) resolved, but the walk stopped one hop in: test/smoke/parcel/index.js imports '../../../out/monaco-editor/esm/vs/editor/editor.main.js', which is not in the scanned tree. That is usually a generated or build-output module, so reachability cannot see past it and no dead-code claim is made about this package. Nothing is necessarily wrong here. — test/smoke/parcel
Nothing imports this binding — it is safe to review for removal. (×3) — src/languages/features/css/cssWorker.ts:237, src/languages/features/html/htmlWorker.ts:162, src/languages/features/json/jsonWorker.ts:233
This private field is assigned but never read: every reference in its class is a plain assignment, no string key or test reads it by name, and the instance never escapes as a whole (so nothing serialises or destructures it). The value it holds is dead state — read it where it was meant to take effect, or remove the field and its assignments. — monaco-lsp-client/src/adapters/LspClient.ts:35
Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect. (×17) — monaco-lsp-client/src/adapters/TextDocumentSynchronizer.ts:124, monaco-lsp-client/src/adapters/languageFeatures/LspCodeActionFeature.ts:51, monaco-lsp-client/src/adapters/languageFeatures/LspDeclarationFeature.ts:35, …
This top-level declaration is not exported and its name occurs nowhere else in its module — not called, read, typed against, re-exported or named by a string. Nothing outside the module can reach a non-exported binding, so this is the whole search: remove it, or use it. — src/languages/features/common/lspLanguageFeatures.ts:328

What to do

Delete the dead files and unused exports — every line is maintenance cost and rebuild-estimate inflation with zero runtime value.

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R8 · Dependency Hygiene10.0 / 10Exemplary✓ Tool-verified

React / JS · Readiness — npm dependency truthfulness (D-386): unused dependencies, imports not declared anywhere, and type-/test-only packages shipped as production deps.

Method: npm dependency truthfulness: unused dependencies, imports declared nowhere, and type-/test-only packages shipped as production deps — from the manifest + import graph. Deterministic.

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R9 · Circular Imports10.0 / 10Exemplary✓ Tool-verified

React / JS · Architecture — Import cycles in the module graph (D-386) — files that can only be understood and changed together.

Method: Import cycles in the module graph, detected exhaustively over JS/TS imports (the same cycle detection as the .NET coupling dimension). Deterministic.

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S1 · Web-Security Posture8.0 / 10Strong✓ Tool-verified

Other · Security — Read from this repository's JavaScript/TypeScript source: cryptographic hygiene (weak hash or cipher, key material fixed in the source) and outbound TLS (certificate validation, protocol version) — facts about code that hold whether or not it serves anything itself. The server controls — HTTPS enforcement, HSTS, cookie flags, input validation — are NOT assessed for JavaScript/TypeScript: each is scored as an absence, an absence is only reportable over the production HTTP server, and in this ecosystem the file that opens the port is build output or a framework launcher rather than a file in the source tree. Their absence here is not a finding about this repository.

Method: Roslyn plus filesystem scan: HSTS/security headers, secure cookies, input validation, middleware order, weak crypto (MD5/SHA1/DES); HTTPS-metadata context-aware. On a repository with no .NET source it reads JavaScript/TypeScript, Dart, Ruby, Scala, Rust or Elixir source itself (test, vendored, generated and minified paths not) for the arms that hold whether or not the code serves HTTP: a weak hash or cipher, key material fixed in the source, a TLS client that accepts any certificate, and (JavaScript/TypeScript, Ruby, Scala, Rust and Elixir) an obsolete TLS version; the server controls are not assessed there, and a Dart, Ruby, Scala, Rust or Elixir repository that serves no HTTP of its own is N/A on them. Deterministic.

MD5/SHA1 is computed here, and both are collision-broken. If this digest protects anything — a signature, an integrity or tamper check, a credential, or any value an attacker can influence — that is a real weakness: use SHA-256+ (`createHash("sha256")`) for content integrity, or a KDF (bcrypt/Argon2/scrypt) for password storage. If it only derives a non-security identifier (a cache key, an avatar URL, an ETag), collision resistance carries no security consequence here; make that intent explicit instead — a non-cryptographic hash such as xxhash or murmurhash says it in code — since the algorithm alone cannot distinguish the two uses. Where a protocol this code does not own fixes the digest (a k-anonymity range query, a legacy signature format), the protocol decides; say so beside the call. (×3) — build/amd/src/loader.js:634, build/amd/src/loader.js:660, build/amd/src/loader.js:701

What to do

Review each MD5/SHA1 use by what it protects: replace it with SHA-256+ (or a KDF for passwords) where the digest is security-relevant, and switch it to a non-cryptographic hash (xxhash, murmurhash) where it only derives an identifier such as a cache key. This repository constructs a collision-broken hash (MD5/SHA1) at 3 sites, not one: `build/amd/src/loader.js:634` (createHash("md5")), `build/amd/src/loader.js:660` (createHash("md5")), `build/amd/src/loader.js:701` (createHash("md5")). Each is a separate decision — fixing only the line this row cites leaves the others in place.

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X1 · Async correctness10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether the code avoids sync-over-async (deadlock-prone blocking on tasks) and async void.

Method: Roslyn syntax scan: async methods scanned for .Wait()/.GetAwaiter().GetResult() and async-void outside event handlers. Deterministic, hard fact per invocation.

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X12 · Unreachable branch10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether any branch is dead by construction — a switch arm whose label can never equal a case-normalised subject, or an `else if` whose predicate the arm above has already swallowed.

Method: Roslyn syntax + semantics: switch labels compared against the subject's own case normaliser, and if/else-if chains checked for a literal an earlier arm's containment test already swallows. Deterministic, provable per finding. Advisory.

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X13 · Undrained process stream4.3 / 10Weak✓ Tool-verified

Other · Code Health — Whether a child process that has BOTH standard streams redirected drains both — reading one to the end while the other is never read deadlocks once the child fills the unread pipe.

Method: Roslyn syntax + semantics: ProcessStartInfo launches with both streams redirected, checked for a drain of each stream across the enclosing type. On a repository with no .NET source it reads JavaScript/TypeScript off the engine’s own token stream (test, vendored and minified paths not) with the same rule: a `spawn` imported from `child_process` whose stdout and stderr are both pipes (no options, no `stdio`, or `stdio` of `'pipe'`), bound to a local that never leaves its scope, where exactly one of the two streams is read, the other never, and the child’s `close`/`exit` (or the read stream’s end) is awaited; a shell redirect in the call’s arguments or a `kill` of the child suppresses it. The same rule reads Python’s `subprocess.Popen`, Dart’s `Process.start`, Ruby’s `Open3.popen3`, and Scala’s JDK process starts (`new ProcessBuilder(…).start()` with no `redirectErrorStream`/`redirectError`/`redirectOutput`/`inheritIO`, `Runtime.getRuntime.exec`) where one of `getInputStream`/`getErrorStream` is read and the other never while `waitFor()` is called or the read stream is read to its end. Deterministic, provable per finding. Advisory.

`spawn` pipes `stderr` here — it is given no `stdio` option, or `'pipe'` — but nothing in this scope ever reads `process.stderr`, while `process.stdout` is read and the child's end is awaited. Node holds an unread pipe's output only up to its buffer: once the child writes more than that to stderr (measured on Linux: about 128 KB — the 64 KB pipe plus Node's 64 KB read-ahead — and less elsewhere), the child blocks on the write, never exits, and the `close`/`exit` this code waits for never fires. Nothing fails loudly: the promise never settles, the request never returns, and the stuck child holds its resources until something kills it. Consume both streams (`process.stderr.on('data', …)`, or `process.stderr.resume()` to discard it), or stop piping the one you do not want — `stdio: ['pipe', 'pipe', 'inherit']` or `'ignore'` in that slot. — REDACTED:31

What to do

Each finding names the span that makes the branch dead and the span it is dead because of. Confirm from the two, then delete the dead arm or fix the predicate that was meant to be reachable.

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X14 · Bypassable address classification10.0 / 10Exemplary○ Nothing flagged

Other · Security — Whether a hand-rolled public/private IP check can be walked past — a method that unwraps IPv4-mapped IPv6 but returns the opposite verdict for the same host written as IPv4-compatible, 6to4 or NAT64.

Method: Roslyn syntax + semantics: methods that unwrap IPv4-mapped IPv6 and hand-roll IPv4 range carve-outs, checked for whether the IPv6 branch also accounts for the IPv4-compatible, 6to4 and NAT64 embeddings. Deterministic, provable per finding. Advisory.

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X15 · Unvalidated length from an untrusted reader10.0 / 10Exemplary○ Nothing flagged

Other · Security — Whether a length read out of the stream being parsed is bounded before it is allocated or read — an unchecked count taken from the input lets the input choose the allocation.

Method: Roslyn syntax + semantics: integer lengths read from a BinaryReader and spent on a bulk read or an array allocation, checked for any comparison or bounding call on the value anywhere in the method. Deterministic, provable per finding. Advisory.

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X16 · Unfloored truncation loop10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a loop that shortens a string until it fits a length budget has a floor — one with none grinds the value down to the empty string, or past it into a negative-length `Substring`.

Method: Roslyn syntax + semantics: while/do loops whose body's only effect on a string is to drop its last character, checked for whether anything — a direct comparison on the length, a body guard, a break — bounds that length below. On a repository with no .NET source it reads JavaScript/TypeScript off the engine’s own token stream (test, vendored and minified paths not) with the same rule: a `while`/`do` loop whose body’s one assignment to a value is `x = x.slice(0, -1)` or `x = x.slice|substring|substr(0, x.length - 1)`, driven by a condition that reads `x.length` only as a term of a larger expression — never compared directly, never tested for truthiness, and with no other read of `x` — and whose body has no `break`, `return`, `throw` or `if` naming `x`. Deterministic, provable per finding. Advisory.

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X17 · Uncapped recursion over a caller-supplied document10.0 / 10Exemplary○ Nothing flagged

Other · Security — Whether a walk that recurses through a JSON/XML tree handed in by its caller bounds how deep it will go — an uncapped walk lets the document's nesting choose the stack depth, and the resulting StackOverflowException cannot be caught.

Method: Roslyn syntax + semantics: methods that take a JSON/XML document node and call themselves with a child of it, reachable from an externally-callable member of the same type that accepts a document, checked for any depth parameter, descent counter or threaded arithmetic anywhere in the walk. On a repository with no .NET source it reads TypeScript off the engine’s own token stream (test, vendored, generated and minified paths and `.d.ts` not) with the same rule: a function or method with a parameter typed as a document value — `unknown`, `any`, `object`, `Record<string, unknown|any>`, a JSON alias (`JsonValue`, `JSONObject`, …) or a DOM node global the file does not rebind — that calls itself (bare, or through `this` for a method, or hands itself to a call over the value as in `value.map(walk)`) with something it took out of that value and never through an ancestor accessor such as `closest()` or `parentElement`, that is exported or reached from an exported function (a public method of the same exported class) taking such a value, and that names no depth, level, nesting, recursion, remaining or budget anywhere and threads no `+`/`-` arithmetic through a self-call. Plain JavaScript is not read: with no annotation nothing tells a parsed document from a tree the code built itself. Deterministic, provable per finding. Advisory.

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X18 · Disposal-pattern correctness10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a type's disposal matches what it OWNS — releasing what it created, leaving alone what it was handed, and not declaring a finalizer for state that has nothing unmanaged to finalize.

Method: Roslyn syntax + semantics: every assignment to a disposable field is read to decide whether the type CREATED the value or was handed it, and the type's disposal is checked against that answer — an injected interface it disposes, a value it constructed and never releases, a finalizer on a type holding nothing unmanaged, and a disposable local whose every reference is a plain member read. A value handed to a container that disposes its contents (a parent control's `Controls` collection, a component `IContainer`) is released by that container and is not reported; generated code is out of population. On a repository with no .NET source the same ownership questions are read in JavaScript/TypeScript off the engine’s own token stream (test, vendored, generated and minified paths not): a class declaring `dispose()`, `[Symbol.dispose]()` or `[Symbol.asyncDispose]()` that disposes a field it was handed through a constructor parameter typed as a repository interface or resolved by a dependency-injection container; that assigns a field only ever from `new X(…)` of a disposable class and neither releases it anywhere in the class nor names it in its disposal member or a method that member calls, nor hands it to anything else; and a `const`/`let` local built from literals only whose every reference opens a statement operating on a non-release member of it. A class is disposable when every repository declaration of its name declares or inherits a disposal member, or when it is a documented library disposable (`vscode` EventEmitter, CancellationTokenSource and Disposable; three.js geometries, materials, textures, render targets, renderers, controls and composers). The finalizer arm has no JavaScript counterpart: a class cannot declare one. Dart is read for the owned-and-never-released arm: a Flutter `State` (or a class declaring `dispose()`/`close()`) whose library-private field is written only with direct creations of a framework controller, `FocusNode`, `StreamController` or periodic `Timer` (or a `.listen(…)` into a field declared `StreamSubscription`), which nothing in the class or its library releases (`dispose`/`close`/`cancel`) and which is never handed on except as a named argument. Ruby is read for the owned-and-never-released arm and the abandoned-local arm: a class declaring an instance `close`, `dispose`, `shutdown`, `stop`, `disconnect` or `terminate` whose instance variable is written only with a blockless core descriptor creation (`File.open`/`new`, `Tempfile`, `Dir.open`, `IO.popen`, the `socket` and `openssl` socket classes) that no method of the class closes and that is never handed on (passed, returned, stored, exposed by `attr_reader`, delegated) — a class whose superclass or mixin lies outside the repository is not judged — and a blockless creation read through and dropped (`File.open(path).read`) or held in a local that is never closed, returned, passed or stored (a `&:read` block-pass, an `autoclose: false` borrow and a `fileno` hand-over are not abandonment). PHP is read for the same two arms: a class (not a trait, and not one using a trait) declaring an instance `close`, `dispose`, `shutdown`, `stop`, `disconnect` or `terminate` whose `private` property (or a `final` class's `protected` one) is written only with a direct core `fopen`, `tmpfile`, `popen`, `proc_open`, `fsockopen`, `stream_socket_client`/`server` or `opendir` that nothing in the class closes (`fclose`, `pclose`, `closedir`, `unset`, a reset to `null`) and that is never handed on, and a handle held in a function's local, or read through as the argument of a reader, that is never closed, returned, passed, captured or stored; a `php://` stream, `curl_init`, `SplFileObject`, `PDO` and a function the repository declares under the core name are not read. Deterministic, provable per finding. Advisory.

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X19 · Unrestored process-global state10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a method that temporarily changes state belonging to the whole process — the working directory, an environment variable — puts it back on EVERY path: a restore reached only when nothing throws leaks the change to the rest of the process.

Method: Roslyn syntax + semantics: method bodies that write the process working directory or an environment variable and write it back in the same body, checked for whether that restore sits in a `finally`/`catch` or only on the straight-line path. On a repository with no .NET source the same rule reads production JavaScript/TypeScript off the engine’s own token stream (test, vendored and minified paths not): `process.chdir`, `process.env.NAME =`/`["NAME"] =` and `delete process.env.NAME`, and Deno’s `Deno.chdir`/`Deno.env.set`/`Deno.env.delete`, paired per function body (a nested function or arrow is its own body, and module top-level code is none), where the last write puts back a local the body captured from the same global or deletes a variable the first write set, with at least one statement between them; a write in a `catch`/`finally` of that body silences it. Deterministic, provable per finding. Advisory.

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X2 · Cancellation propagation4.0 / 10Weak✓ Tool-verified

Other · Code Health — Whether async functions that make a cancellable request accept or pass on an AbortSignal (adoption curve).

Method: Roslyn scan: every async method (excluding framework-fixed overrides/Blazor handlers) checked for CancellationToken parameter presence. Deterministic, adoption percentage. On a repository with no .NET source it reads JavaScript/TypeScript off the engine’s own token stream (test, vendored and minified paths not) with the same question: every named async function that itself makes a request an AbortSignal can cancel (global `fetch`, axios and its file-local instances, ky, ofetch) counts, and it is compliant when its parameters or body name a signal or it hands one of its own parameters to the request as options; signatures a framework fixes (JSX event handlers, route and lifecycle exports, request-first handlers, `override`, `'use server'` modules, TanStack `mutationFn`) are exempt unless they take a signal. Deterministic, adoption percentage.

Only 0/2 async functions that make a cancellable request (fetch, axios, ky, ofetch) accept an AbortSignal or pass one on, so a request keeps running after whatever wanted it has given up — a page navigated away from, an unmounted component, a timed-out job. Take a `signal` (or an options object that carries one) and hand it to the request; where nothing could ever cancel the call, omitting it is a deliberate choice — judge against how the function is used.
`_getNpmVersions` awaits `fetch(…)` but neither accepts an AbortSignal nor passes one on, so its caller cannot stop the request once it has started. Accept `{ signal }` and pass it through: `fetch(url, { signal })`. — website/src/website/pages/playground/getNpmVersionsSync.ts:32
`getVsCodeCommitId` awaits `fetch(…)` but neither accepts an AbortSignal nor passes one on, so its caller cannot stop the request once it has started. Accept `{ signal }` and pass it through: `fetch(url, { signal })`. — website/src/website/pages/playground/getNpmVersionsSync.ts:94

What to do

Thread an AbortSignal through async functions that make requests, so the work stops when its caller gives up.

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X21 · Side-effecting pattern guard10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a `when` guard is free of side effects — a guard that increments a counter or assigns while deciding whether its arm matches applies that change during PATTERN MATCHING, on an arm that may not be selected, and skips it entirely when a short-circuit to its left answers first.

Method: Roslyn syntax: `when` guards on case labels and switch-expression arms, read for a mutation (`++`/`--`/assignment) sitting in a position the guard's own `&&`/`||`/`??`/`?:`/`?.` can skip. Deterministic, provable per finding. Advisory.

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X22 · Contradicted release guard10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a method that TAKES a lock or semaphore and gives it back from a flag-guarded `finally` returns the value that flag implies — reporting success while the guard hands the primitive back admits a second caller the exclusion was there to keep out, and reporting failure while the guard keeps it leaves nothing to ever give it back.

Method: Roslyn syntax: `try` statements whose `finally` releases a synchronisation primitive under a bare local-bool guard, where the method also TOOK that same primitive before the `try`, checked for a `return` of a bool literal whose value disagrees with the flag state the method's own straight-line assignments put it in. Deterministic, provable per finding. Advisory.

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X23 · Unguarded diagnostic materialisation10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether the work a diagnostic log line costs is paid only when that line is wanted — C# evaluates a call's arguments BEFORE the call, so a trace/debug message joined or projected out of a collection is built in full on every pass, and then discarded by a sink the shipped configuration leaves switched off.

Method: Roslyn syntax: log calls at a diagnostic level (a `Log`-prefixed method naming Trace/Debug/Verbose, or a bare `Debug`/`Trace`/`Verbose` on a receiver named for a logger), whose argument list is read for a call whose cost scales with a sequence — a LINQ operator, a materialisation, `string.Join`, a serializer — with no enclosing level check or conditional-compilation region. On a repository with no .NET source it reads JavaScript/TypeScript off the engine’s own token stream (test, vendored and minified paths not) with the same rule: a `debug`/`trace`/`verbose` call on a receiver named for a logger, or a `log`-prefixed method naming the level, whose argument calls an array operator (`map`/`filter`/`reduce`/`sort`/…), `Array.from`, `Object.keys/values/entries`, `JSON.stringify`/`util.inspect` over anything but a literal, or an array `join` — outside any arrow or function passed as an argument, which the logger calls only when the level is on — with no enclosing `if`, `&&` or `?:` whose condition names a level, a level string, or the `NODE_ENV`/`__DEV__`/`DEV` build switch. Deterministic, provable per finding. Advisory.

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X24 · Document value interpolated into markup unescaped10.0 / 10Exemplary○ Nothing flagged

Other · Security — Whether text read out of the document being converted is escaped before it is written into generated markup — a value the document's author chose, interpolated into an attribute the surrounding literal delimits, can close that attribute and open another.

Method: Roslyn semantic model over the whole compilation: a string-typed `Value`/`InnerText`/`InnerXml`/`Text` member declared inside `DocumentFormat.OpenXml` or `System.Xml` is a taint SOURCE, propagated through assignments, returns, arguments, tuple elements and string composition to its transitive closure, then read at interpolated-string holes that sit in a markup position the surrounding literal itself delimits. Escaper/encoder calls and enclosing validator conditions cut the flow. Flow- and container-insensitive by construction. A second arm needs no provenance at all and reports a type that CONTRADICTS ITSELF — the same expression escaped at one delimited markup hole and interpolated raw at another hole in the same markup position of the same type, which the type's own escaping proves is a defect without knowing where the value came from. On a repository with no .NET source it reads JavaScript/TypeScript off the token stream with the same rule: a DOM read of raw document text (`getAttribute`, `textContent`, `innerText`, `nodeValue`) is the source, propagated through local bindings and string composition, and judged at template-literal and concatenation holes in the same two delimited markup positions; escapers and validating conditions cut it, and documentation-site, test, vendored and minified scripts are not read. Deterministic, provable per finding. Advisory.

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X25 · Inert configuration knob10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a value the caller is invited to supply is the value the type actually uses — a constructor parameter stored in a private field that nothing ever reads while the default it was given is spelled out a second time at the site that should have read it, a keyed lookup that falls back to a different setting than the one its key names while the same type falls back to the matching one for that same key, or a culture-sensitive parse given no format provider by a type that feeds its own settable culture to the same kind of parse elsewhere, or a number an entry point writes to standard output under the host's culture while the same entry point formats with the invariant culture elsewhere. Either way, every caller who supplies a value silently gets something else.

Method: Roslyn syntax: private instance fields of a non-partial type assigned in a constructor from one of its own parameters with a `??` fallback, checked for whether anything in the type body reads the field and whether that same fallback expression is spelled out again outside the constructor; and `??` fallbacks onto a member access from a lookup call carrying exactly one string literal, grouped by that key across the type and checked for a fallback member whose folded name disagrees with the key while a sibling site for the same key agrees with it. On a repository with no .NET source the first two arms read JavaScript/TypeScript off the engine’s own token stream (tests included, bundles and vendored paths not): a `#x`, `private` or `private` parameter-property instance field filled in the constructor from a parameter (or one member of one) through `??`/`||` or a parameter default, never read anywhere in the file by name, whose constructed default is spelled again in the class body; and `lookup("key") ?? s.member` grouped by key per class, or per module outside every class. The culture arm has no JavaScript counterpart: its parses take no locale. Deterministic, provable per finding. Advisory.

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X28 · Index access outside its own emptiness guard10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a condition that tests a value for emptiness indexes that same value only where the test holds — an `||` written one parenthesis too far to the left leaves an index access outside the guard beside it, so the empty case the guard exists to anticipate reaches the index and throws.

Method: Roslyn syntax only, no semantic model: the OUTERMOST `&&`/`||` of every boolean condition, read for a symbol the condition tests for emptiness (`string.IsNullOrEmpty`/`IsNullOrWhiteSpace`, a `Length`/`Count` comparison against a literal, `Any()`, a `Length`/`Count` pattern, or a comparison against `""`) and ALSO indexes. Each `symbol[...]` access is placed by a boolean-reachability walk from the access up to the outermost connective: an access is COVERED when some enclosing step has it in the right operand and the left operand, under the truth value that step forces, proves the symbol non-empty — a recursion over `&&`/`||` whose true- and false-directions are asymmetric. A finding needs BOTH an uncovered access and a covered one on the same symbol in the same condition, which is the agreeing twin that separates a misplaced parenthesis from an unrelated length test. Bare index accesses with no emptiness test in the condition are neither counted nor reported; a non-identifier receiver and a lambda nested inside the condition are outside the population. Deterministic, provable per finding. Advisory.

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X29 · Per-element action decided by a fixed element10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a decision taken once per element is taken ABOUT that element — a test inside a counted loop that reads a fixed subscript of the very collection its guarded statement indexes by the loop variable applies element zero's answer to all of them, so the elements that differ from it are all handled wrongly, and in the same direction.

Method: Roslyn syntax only, no semantic model: every `for` statement declaring exactly ONE loop variable, and every `if` inside its body that is not under a nested loop or a lambda. A site enters the population when the `if`’s condition never mentions the loop variable while the statement it guards indexes some collection by that variable ALONE (`c[i]`; `c[i + 1]` and `c[i, j]` are outside it). A finding additionally needs the AGREEING TWIN at the same-collection grain: the condition must read THAT SAME collection at a subscript that does not move — written into the condition, or reached through a local declared BEFORE the loop, so an alias bound inside the body is not followed. Both collection expressions must be simple identifiers. On a repository with no .NET source the same rule reads JavaScript/TypeScript off the engine’s own token stream (tests included, bundles and vendored paths not): a `for (let|var|const x = …; …; …)` with one declarator and a braced body, an alias followed only when it is declared before the loop in a block that encloses it and never assigned inside the loop. Deterministic, provable per finding. Advisory.

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X3 · Exception handling5.2 / 10Adequate✓ Tool-verified

Other · Code Health — Whether exceptions are handled rather than silently swallowed or rethrown with lost stack traces.

Method: Roslyn syntax scan: every catch clause counted; empty catches and bare rethrows flagged. Population is all catch clauses, not estimated. Deterministic, hard fact.

An empty catch block silently discards the error — failures vanish with no log and no rethrow. Log it, handle it, or don't catch it. (×2) — webpack-plugin/src/index.ts:31, webpack-plugin/src/index.ts:35

What to do

Swallowed exception (empty catch)

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X30 · Support guard that admits what it rejects10.0 / 10Exemplary○ Nothing flagged

Other · Code Health — Whether a guard written as a NEGATED `||` says what its author meant — `!(a || b || x != k)` is `!a && !b && x == k` by De Morgan, so a bail-out that mixes capabilities the code needs with a fault it refuses turns inside out: it fires only where the capabilities are ABSENT, and lets every value the fault term names walk straight into the body that cannot handle it.

Method: Roslyn syntax only, no semantic model: every logical-not whose operand is a parenthesised `||` chain of two or more disjuncts, flattened (a left-nested `a || b || c` read once would see `(a || b)` as one disjunct). A site enters the population on that shape alone. A finding additionally needs the disjuncts to DISAGREE in polarity: at least one bare boolean read — an identifier or member access, never an invocation, which is a predicate rather than a capability flag — and at least one `x != <constant>`, the only form that negates into an exact-value pin (`== null` negates into a looser requirement and is outside the fault set). Consistently-polarised disjunctions, all-fault or all-capability, are counted and never reported; a negated `&&` is outside the population entirely. No same-receiver gate: it was measured to cost a real defect and remove no false positive. Deterministic, provable per finding. Advisory.

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X5 · Nullable reference types8.1 / 10Strong✓ Tool-verified

Other · Code Health — Whether strict null checking is enabled and not undermined by heavy `!` assertion — TypeScript's `strictNullChecks` (which `strict` turns on) is what makes `string` exclude `null` and `undefined`, and the postfix `!` is the operator that silences it.

Method: Roslyn compiler-options scan: NullableContextOptions per project; null-forgiving (!) suppression density per 1k syntax nodes. Deterministic, adoption plus suppression penalty.

8/10 of this repository's type-checking configuration(s) turn on strict null checking (`"strict": true`, or `"strictNullChecks": true`). A configuration that states neither is counted as OFF, because off is tsc's own default; a solution-style one whose `"files"` is empty and whose `"references"` point at other projects is in neither number, because it checks no source itself. Where it is off, `string` admits `null` and `undefined`: passing a value that is null compiles silently and throws on the first property access.
~0.8 `!` null assertions per 1k TypeScript source lines — 40 assertion(s) across the 49586 source line(s) of the 299 TypeScript file(s) read, which is the only code the operator asserts anything in (a `!` in a `.js` file is not this operator and was not counted, and one in a file whose null checking is off silences nothing). Densest: src/languages/features/typescript/register.ts (5), REDACTED (3), src/languages/definitions/_.contribution.ts (2). Each one tells the compiler to trust the author about null, suppressing the very diagnostic `strictNullChecks` exists to produce.

What to do

The findings name the configuration each number was taken from and, for the assertions, the files that hold them. Turn null checking on where it is off — `"strict": true` in the base tsconfig that the others extend switches `strictNullChecks` on with the rest of the family — and then resolve the assertions rather than adding to them. A `!` on a value the checker could show to be null is a promise the author cannot check from where they are standing, and each one is a `TypeError: Cannot read properties of null` waiting for the path that makes it true; where the value genuinely cannot be null, say something the checker can see instead (narrow it with a test, make the property required, drop the `?`).

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WCAG coverage — what static analysis assessed

Statically assessed 10 of 55 WCAG 2.2 Level A/AA success criteria (18%; ≈20% of the 50 WCAG 2.1 AA criteria for EN 301 549). The other 45 require runtime or manual evaluation. Partial signal only (a clean result is necessary, not sufficient; static analysis fully verifies none). This is accessibility readiness, not a conformance claim — a WCAG conformance claim requires manual evaluation (WCAG-EM 1.0).

Dimension	WCAG 2.2 A/AA criteria	Coverage
AC2 · Forms & labels	1.3.1, 3.3.2, 4.1.2	Partial signal
AC3 · Page structure	1.4.4, 2.2.1, 2.4.1, 2.4.2, 3.1.1, 4.1.2	Partial signal
AC6 · Visual & motion safety	1.4.3, 2.4.7	Partial — literal CSS only
AC7 · A11y enforcement	enforcement — no page criterion	Enforcement posture (process)

Not statically assessed — these 45 Level A/AA criteria need runtime or manual evaluation (WCAG-EM): 1.1.1, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.4.1, 1.4.2, 1.4.5, 1.4.10, 1.4.11, 1.4.12, 1.4.13, 2.1.1, 2.1.2, 2.1.4, 2.2.2, 2.3.1, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.11, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.7, 2.5.8, 3.1.2, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.6, 3.3.1, 3.3.3, 3.3.4, 3.3.7, 3.3.8, 4.1.3.

Reference — by lens

The score is the rank-weighted fold of these lenses (worst-heaviest), each including its meta-dimensions; a lens with a Critical contributor is capped at Fair (its band reads "gated by …") and is never the strongest area however high its average.

Lens	Score	Rating	Impact
Code Health	64%	Adequate	Acceptable, with room to improve.
Architecture	90%	Adequate — gated by D26	Capped at Fair by a Critical contributor — resolve it before relying on this lens.
Maturity	58%	Adequate — gated by M2	Capped at Fair by a Critical contributor — resolve it before relying on this lens.
Readiness	45%	Adequate — gated by P2, P3, P7	Capped at Fair by a Critical contributor — resolve it before relying on this lens.
Security	65%	Adequate — gated by D28, D29, D30, D36	Capped at Fair by a Critical contributor — resolve it before relying on this lens.
Accessibility	43%	Weak — gated by AC2, AC3	Capped at Fair by a Critical contributor — resolve it before relying on this lens.
Performance	100%	Exemplary	Strongest area.

Unscored — 2 check(s) recorded observations but carry no score

These checks ran and found something, but they do not carry a score — either by design (an advisory check reports evidence rather than grading it) or because they could not be scored here. They are excluded from the score for that reason, not because there was nothing to see.

X10 Duplicated predicate — 1 observation(s) recorded · Advisory — this card reports evidence and never carries a score.
X7 Silent fallback defaults — 2 observation(s) recorded · Advisory — this card reports evidence and never carries a score.

Not evidenced — 1 control(s) we could not find positive evidence for

These checks grade a working control, and the repository shows no evidence of one. That is deliberately not scored as a zero: a repository cannot show an ops runbook, a database TTL or an infrastructure-side audit log, so absence of evidence here is not evidence the control is missing. It is also not a statement that the check is irrelevant to this codebase — the thing it grades applies; we just could not see it. Excluded from the score either way.

P5 DR & Backup — not evidenced — repo shows no backup/RTO/RPO controls; absence of evidence is not evidence of a working control

Not included — 51 check(s) not relevant to this codebase

These checks had nothing to measure here (no tests, no git history, the codebase is small, or the architecture style doesn't apply), so they're omitted above rather than scored low.

AC1 Text alternatives — No image/media element found in the parsed markup — AC1 not applicable here.
AC4 Keyboard semantics — No interactive element found in the parsed markup — AC4 not applicable here.
AC5 ARIA correctness — No ARIA usage found in the parsed markup — AC5 not applicable here.
AX1 Captive dependencies — Not applicable: this repository's JavaScript imports no dependency-injection container and defines no container of its own — nothing that both registers and resolves bindings, and nothing that names two lifetimes — so nothing holds one lifetime's instance while handing out another's; this repository's TypeScript imports no dependency-injection container and defines no container of its own — nothing that both registers and resolves bindings, and nothing that names two lifetimes — so nothing holds one lifetime's instance while handing out another's.
AX2 Stateful singletons — Not applicable: TypeScript/JavaScript runs each process's requests on one event loop, so no two requests write a shared object at the same instant (interleaving across an await is a different defect).
AX4 Dependency direction — not applicable to a vertical-slice architecture (the inward-dependency rule is for layered/clean styles)
AX8 Test isolation — no test/production split to check
AX9 CQS / query purity — no CQRS query handlers detected — query purity is not applicable to this codebase
AXB2 Runtime readiness — Advisory — this card reports evidence and never carries a score, so there is nothing missing here.
AXR1 Runtime accessibility — docker build failed (exit 1) — DEPRECATED: The legacy builder is deprecated and will be removed in a future release. Install the buildx component to build images with BuildKit: https://docs.docker.com/go/bui…; runtime evidence skipped This is a statement about this run, not a statement about your application: nothing here says the surface is inaccessible, only that it was never rendered.
C1 Data Protection — No personal data detected in a persisted data model — no PII-named field (email, firstName, dateOfBirth, phoneNumber, …) or stored credential on a TypeORM/MikroORM/sequelize-typescript/NestJS-Mongoose entity, a Mongoose schema, a Sequelize or Drizzle table, a Knex migration or a Prisma model — and no database or data-store client in the source either, so this repository keeps no data at rest for these controls to protect. If it does persist personal data (through a hosted backend configured outside this repository, for instance), the controls belong to wherever that data is stored.
C2 Access Controls — No access-control surface detected in the analyzed source — this repository stands up no server (no Express, Fastify, Koa, Hono, NestJS or similar app, no Next.js/SvelteKit/Nuxt server route, no edge function), creates no Supabase tables and talks to no hosted backend. Access control is therefore N/A here — a browser application or library is authorized by the server it calls, not by itself; a client-side route guard hides a page and authorizes nothing. If this codebase grows request handlers, the dimension reactivates and a default-deny posture is expected then.
C3 Audit Trail — No personal data detected in a persisted data model — no PII-named field (email, firstName, dateOfBirth, phoneNumber, …) or stored credential on a TypeORM/MikroORM/sequelize-typescript/NestJS-Mongoose entity, a Mongoose schema, a Sequelize or Drizzle table, a Knex migration or a Prisma model — and no database or data-store client in the source either, so this repository keeps no sensitive data whose changes an audit trail would record. If it does (through a hosted backend configured outside this repository, for instance), the trail belongs to wherever that data is stored.
C4 Data Retention — No personal data detected in a persisted data model — no PII-named field (email, firstName, dateOfBirth, phoneNumber, …) or stored credential on a TypeORM/MikroORM/sequelize-typescript/NestJS-Mongoose entity, a Mongoose schema, a Sequelize or Drizzle table, a Knex migration or a Prisma model — and no database or data-store client in the source either, so this repository keeps no personal data whose lifetime a retention limit would bound. If it does (through a hosted backend configured outside this repository, for instance), the limit belongs wherever that data is stored.
C5 Data-Subject Rights — No personal data detected in a persisted data model — no PII-named field (email, firstName, dateOfBirth, phoneNumber, …) or stored credential on a TypeORM/MikroORM/sequelize-typescript/NestJS-Mongoose entity, a Mongoose schema, a Sequelize or Drizzle table, a Knex migration or a Prisma model — and no database or data-store client in the source either, so this repository keeps no personal data for a data subject to erase, export or consent over. If it does (through a hosted backend configured outside this repository, for instance), the rights are served wherever that data is stored.
D1 Cyclomatic Complexity — cyclomatic complexity not measured — .ts exposed no member bodies
D18 Solution Shape — D18 scores the shape of a .NET solution; this repository has no .NET solution or project files, so the dimension does not apply.
D2 Cognitive Complexity — cognitive complexity not measured — .ts exposed no member bodies
D20 ADR Quality — N/A — ADRs are expected on deployable products with a user-facing host, not consumed libraries; no ADR log is required here.
D23 Boundary Type-Coupling — No bounded-context organisation was detected either — neither a context-shaped layout, nor 2+ sibling source directories each declaring an aggregate root, nor 2+ projects each declaring an entity of their own. Declaring this codebase's bounded contexts (≥2) would let cross-boundary type coupling be assessed. Declare them in `.codehealth/config.yaml` at the repository root (create it if absent), mapping each context name to the module-path or namespace prefixes that belong to it — e.g. `architecture:` → `contexts:` → `Billing: ["src/billing", "Acme.Billing"]`, `Catalog: ["src/catalog", "Acme.Catalog"]`.
D24 Comment Value — No inline comments to assess — comment value is not applicable here.
D25 ADR Conformance — no ADRs to check
D27 Navigability — D27 counts a call into the standard library or a dependency as unresolved for this repository's language (.html,.js,.ts,.tsx), so too few call sites counted as resolved to assess navigability. Not scored: this is a gap in the analyzer, not a verdict about this repository.
D3 God Classes — Most of this repository's production source (.ts) was not read by god-class detection, so class size was not assessed for the languages that are the product — whatever else this pass did read is not this repository's class size. Not scored — this is a gap in the analyzer, not a verdict about this repository.
D31 IaC & Container Security — No Infrastructure-as-Code or container manifests found (Dockerfile, Docker Compose, Terraform, Kubernetes/Helm, CloudFormation, ARM, Bicep, Ansible); nothing to scan.
D32 Data Compliance (PII/GDPR) — 9 file(s) were not parsed by semgrep — the PII/GDPR ruleset never ran over them
D34 Knowledge Freshness — knowledge concentrated in recent work — freshness signal contradicted by repo activity
D39 IL Efficiency — D39 measures the IL emitted by a .NET build; this repository has no .NET solution or project files, so the dimension does not apply.
D4 Code Duplication — This repository's production source (.ts, .tsx) is not read by D4's token comparison, which compares .NET source: duplication in it is measured by R10 Code Duplication, the frontend lens's card running the same clone algorithm over the JS/TS token stream. Not scored here — read the R10 card for this repository's duplication.
D40 Network Egress Confinement — No Kubernetes/orchestration workloads found in the repository manifests; network egress policy is a cluster-native control that may live at the platform/firewall layer, so there is nothing to assess here.
D41 Kernel & Syscall Confinement — No Kubernetes/orchestration workloads found in the repository manifests; seccomp/AppArmor/SELinux confinement is a workload-level control, so there is nothing to assess here.
D42 Runtime Threat Enforcement — No Kubernetes/orchestration workloads found in the repository manifests; runtime threat-detection and admission-control policy are cluster-level controls, so there is nothing to assess here.
D7 Architectural Integrity — no checkable ADRs, and no project-reference graph for the cycle pass to read — so this dimension makes no claim about dependency cycles in either direction (where this repository's language has an import-cycle lens, cycles are reported there). Architectural integrity not assessed
DM1 Domain Modelling — not scored — this repository shows none of the 3 signals this lens looks for
ED1 Event-Driven — not scored — this repository shows none of the 3 signals this lens looks for
ED5 Idempotency — no mutating command handlers or message consumers detected — idempotency check not applicable
ES1 Event Sourcing — not scored — this repository shows none of the 3 signals this lens looks for
P12 CI test-gate honesty — Reported, not scored — and nothing was matched here. The coverage check applies to any stack, and the automatic-re-run check to any GitHub-Actions workflow, but the checks for excluded tests, skipped tests and sleep-based synchronisation currently recognise only some ecosystems' test-runner idioms, so on a repository built with another stack the zeros below mean 'not checked', not 'clean'.
P8 Schema migrations — no ORM, schema-migration tool or schema auto-create was found in this repository's dependency manifests or source, so there is no database schema for this check to judge
P9 Domain vs controller coverage — coverage data present for 251 file(s), but no domain-layer files were identified: no covered file's path contains any of the markers this check keys on (/domain/, /aggregates/, /valueobjects/, /domainmodel/, .domain/, /entities/), which are matched case-insensitively anywhere in the path. With no domain partition there is nothing to compare the web/controller layer against — if this repository keeps its business rules under a folder named none of those, that naming is what the check cannot see, not the domain logic.
PF1 Benchmark discipline — Not applicable: no benchmark suite was found. This check searched for tinybench, mitata, benchmark.js, benny or vitest `bench(...)` calls in files that import them (or `*.bench.*` files), or one of those in a package.json, and for a `*benchmark*` script that this repository's CI runs. Benchmarks are credited as a bonus, so their absence is neither scored nor deducted.
PF2 Allocation hygiene — Not applicable: TypeScript/JavaScript runs on a garbage-collected runtime that gives a program no allocation-control idiom to choose on a hot path — no pools, stack allocation or value types — so allocation awareness is not something this code can be rated on.
R11 Import Boundaries — No recognizable feature-sliced/layered src layout — boundary rules not applicable.
SC1 Supply-chain hygiene — Advisory — this card reports evidence and never carries a score, so there is nothing missing here.
X20 Mistyped argument guard — This check asks whether an argument guard reports an EMPTY value as a NULL one, which needs a language that throws a null-specific argument exception — .NET's ArgumentNullException, the JVM's NullPointerException, Dart's ArgumentError.notNull. This repository contains none of those languages: the ones it is written in have a single exception for a bad argument, so there is no pair of exceptions to confuse and nothing here for it to assess. Not a gap in the analyzer and not a finding about your code.
X26 Unsynchronised callback handoff — Not applicable: this check looks for a collection written by a callback on one thread while the body waiting on it touches it on another, and in this repository's languages no collection is reachable from two threads at once. TypeScript/JavaScript runs every callback on the one thread that owns its objects: a callback runs only when the body waiting on it has yielded, never alongside it, and a worker thread receives a COPY of what it is sent. A SharedArrayBuffer carries raw bytes, never an Array, Map or Set, so no collection is reachable from two threads at once. Not a gap in the analyzer and not a finding about your code.
X27 Collection changed while being enumerated — Not applicable: this check looks for a loop whose body adds to or removes from the very collection the loop is walking, invalidating the enumerator it holds, and in this repository's languages that cannot happen. JavaScript and TypeScript have no iterator that a change can invalidate: an `Array` is walked by index against its live length, and a `Map` or `Set` by the ECMAScript specification's live entry list, so a body that adds to, removes from or empties what it walks raises nothing — every loop form (`for…of`, `for…in`, `forEach`, `map`, `filter`, `reduce`, `entries()`) on every built-in collection (`Array`, `Map`, `Set`, plain objects, `URLSearchParams`, `Headers`, `FormData`) runs to completion. Such a loop can still skip an element or never end, which is a different defect and not the one this check asks about. Not a gap in the analyzer and not a finding about your code.
X32 Type resolved by simple name across every loaded assembly — This check is about how a .NET program searches the assemblies loaded into its process for a type, and this repository contains no .NET source, so there is nothing here for it to assess. Not a gap in the analyzer and not a finding about your code.
X4 Structured logging — not analysed — these correctness checks read a source model that was not loaded for this repository, because the repository is written in a language this check does not yet model, or because its projects failed to load. This is a gap in the analyzer, not a finding about this repository
X6 Hand-rolled structured-format parsing — Advisory — this card reports evidence and never carries a score, so there is nothing missing here.
X9 Subsumed condition operand — Advisory — this card reports evidence and never carries a score, so there is nothing missing here.

Appendix A — Findings (grouped)

The findings behind the scores, grouped by severity, then by dimension and kind. The high-severity issues are enumerated in full below; items per group are capped at 25 with any overflow stated explicitly per group, never silently truncated. The complete machine-readable list of every finding (all severities) is the companion findings.md in this report's bundle.

Critical — 29 finding(s)

D30 · Dependency Vulnerabilities · High CVE · ×9

REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED

D28 · Secrets (history) · High secret · ×7

REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED

AC2 · Forms & labels · <label> that labels no control · ×3

<label> that labels no control website/src/website/pages/home/Home.tsx:188 — This <label> has no htmlFor and wraps no form control, so it names nothing: assistive tech never announces it, and clicking the caption focuses no field. Note that an id on the label is not an association — it is the TARGET of one, so a control still has to point at it. Give the label htmlFor="<the control's id>", move the control inside the label, or point the control's aria-labelledby at this label's id.
<label> that labels no control website/src/website/pages/home/Home.tsx:196 — This <label> has no htmlFor and wraps no form control, so it names nothing: assistive tech never announces it, and clicking the caption focuses no field. Note that an id on the label is not an association — it is the TARGET of one, so a control still has to point at it. Give the label htmlFor="<the control's id>", move the control inside the label, or point the control's aria-labelledby at this label's id.
<label> that labels no control website/src/website/pages/playground/SettingsDialog.tsx:396 — This <label> has no htmlFor and wraps no form control, so it names nothing: assistive tech never announces it, and clicking the caption focuses no field. Note that an id on the label is not an association — it is the TARGET of one, so a control still has to point at it. Give the label htmlFor="<the control's id>", move the control inside the label, or point the control's aria-labelledby at this label's id.

AC3 · Page structure · <iframe> without a title · ×3

<iframe> without a title REDACTED:94 — An iframe with no title (or an empty one) is announced only as "frame". Add a non-empty title describing its content, or an aria-label.
<iframe> without a title website/src/website/pages/MonarchPage.tsx:8 — An iframe with no title (or an empty one) is announced only as "frame". Add a non-empty title describing its content, or an aria-label.
<iframe> without a title website/src/website/pages/playground/Preview.tsx:75 — An iframe with no title (or an empty one) is announced only as "frame". Add a non-empty title describing its content, or an aria-label.

D29 · Static Analysis (SAST) · REDACTED

REDACTED
REDACTED

D30 · Dependency Vulnerabilities · High vulnerability · ×2

REDACTED
REDACTED

D29 · Static Analysis (SAST) · REDACTED · ×1

REDACTED

D29 · Static Analysis (SAST) · REDACTED · ×1

REDACTED

D30 · Dependency Vulnerabilities · Critical vulnerability · ×1

REDACTED

Serious — 155 finding(s)

D17 · Explicit Debt · TodoComment · ×13

TodoComment monaco-lsp-client/src/adapters/languageFeatures/LspRenameFeature.ts:137 — // TODO: Handle CreateFile, RenameFile, DeleteFile — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:68 — // TODO: Implement resolve — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment scripts/ci/build-monaco-editor-pkg.ts:99 — // TODO@hediet: await run('npm run prettier-check', { cwd: rootPath }); — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/abap/abap.ts:1281 — // todo: separate from -> and => — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/postiats/postiats.ts:32 — // TODO: staload and dynload are followed by a special kind of string literals — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/postiats/postiats.ts:375 — // TODO: reference for this? — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/postiats/postiats.ts:600 — // TODO: otherwise, try lexing_IDENT_sym — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/postiats/postiats.ts:615 — // TODO: dynload and staload should be specially parsed — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/postiats/postiats.ts:654 — // TODO: lexing_INT_hex — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/scala/scala.test.ts:552 — // TODO — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/swift/swift.ts:39 — // TODO(owensd): Support the full range of unicode valid identifiers. — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment src/languages/definitions/swift/swift.ts:215 — // TODO(owensd): These are borrowed from C#; need to validate correctness for Swift. — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
TodoComment website/src/website/pages/playground/getNpmVersionsSync.ts:97 — // TODO https://cdn.jsdelivr.net/npm/monaco-editor@${monacoEditorVersion}/package.json

D30 · Dependency Vulnerabilities · Medium CVE · ×12

REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED

AC2 · Forms & labels · <Select> field component without a label · ×9

<Select> field component without a label website/src/website/pages/home/Home.tsx:189 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.
<Select> field component without a label website/src/website/pages/home/Home.tsx:197 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.
<Select> field component without a label website/src/website/pages/playground/PlaygroundPageContent.tsx:331 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.
<Select> field component without a label website/src/website/pages/playground/SettingsDialog.tsx:80 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.
<Select> field component without a label website/src/website/pages/playground/SettingsDialog.tsx:123 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.
<Select> field component without a label website/src/website/pages/playground/SettingsDialog.tsx:134 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.
<Select> field component without a label website/src/website/pages/playground/SettingsDialog.tsx:202 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.
<Select> field component without a label website/src/website/pages/playground/SettingsDialog.tsx:276 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.
<Select> field component without a label website/src/website/pages/playground/SettingsDialog.tsx:406 — This UI-library field component has no label / aria-label / aria-labelledby / id — and neither does anything it renders (a name prop is the form-submission key, not a label) — so it likely renders an unlabelled control. Name it whichever way this library supports: a label prop, an aria-label, or an id on the rendered control with a <label htmlFor> pointing at it. For a group of controls, name the group itself (aria-label, or a fieldset with a legend) — labelling each item leaves the set unnamed.

R4 · Test Coverage · No test reaches this file · ×9

No test reaches this file src/languages/definitions/sql/keywords.js:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.
No test reaches this file monaco-lsp-client/generator/index.ts:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.
No test reaches this file scripts/ci/build-monaco-editor-core-pkg.ts:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.
No test reaches this file scripts/ci/build-monaco-editor-pkg.ts:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.
No test reaches this file REDACTED:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.
No test reaches this file src/languages/definitions/mysql/keywords.js:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.
No test reaches this file src/languages/definitions/pgsql/keywords.js:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.
No test reaches this file src/deprecated/editor/editor.worker.ts:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.
No test reaches this file scripts/ci/env.ts:1 — No test imports this module directly or transitively. Import reachability cannot see a test that executes a file by path instead of importing it, nor one that drives it through a running browser by navigating to a URL — if neither does, no test reaches this one.

D29 · Static Analysis (SAST) · REDACTED

REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED
REDACTED

AC2 · Forms & labels · <fieldset> without a <legend> · ×3

<fieldset> without a <legend> website/src/website/pages/playground/SettingsDialog.tsx:72 — A fieldset groups related controls but has no <legend> to name the group. Add a <legend> as its first child — or, if the group already has a visible caption beside it (or the fieldset is there only to disable its subtree and carries no group box), point aria-labelledby at that caption's id instead, which names the group without rendering a second one.
<fieldset> without a <legend> website/src/website/pages/playground/SettingsDialog.tsx:115 — A fieldset groups related controls but has no <legend> to name the group. Add a <legend> as its first child — or, if the group already has a visible caption beside it (or the fieldset is there only to disable its subtree and carries no group box), point aria-labelledby at that caption's id instead, which names the group without rendering a second one.
<fieldset> without a <legend> website/src/website/pages/playground/SettingsDialog.tsx:173 — A fieldset groups related controls but has no <legend> to name the group. Add a <legend> as its first child — or, if the group already has a visible caption beside it (or the fieldset is there only to disable its subtree and carries no group box), point aria-labelledby at that caption's id instead, which names the group without rendering a second one.

D29 · Static Analysis (SAST) · REDACTED

REDACTED
REDACTED
REDACTED

R10 · Code Duplication · Duplicated block (33 lines × 2 locations) · ×3

Duplicated block (33 lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspCodeActionFeature.ts:122 — monaco-lsp-client/src/adapters/languageFeatures/LspCodeActionFeature.ts:122 · monaco-lsp-client/src/adapters/languageFeatures/LspRenameFeature.ts:93 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported.
Duplicated block (33 lines × 2 locations) src/languages/definitions/apex/apex.ts:220 — src/languages/definitions/apex/apex.ts:220 · src/languages/definitions/java/java.ts:122 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.
Duplicated block (33 lines × 2 locations) src/languages/features/html/register.ts:108 — src/languages/features/html/register.ts:108 · src/languages/features/json/register.ts:258 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported.

S1 · Web-Security Posture · Weak hash algorithm · ×3

Weak hash algorithm build/amd/src/loader.js:634 — MD5/SHA1 is computed here, and both are collision-broken. If this digest protects anything — a signature, an integrity or tamper check, a credential, or any value an attacker can influence — that is a real weakness: use SHA-256+ (`createHash("sha256")`) for content integrity, or a KDF (bcrypt/Argon2/scrypt) for password storage. If it only derives a non-security identifier (a cache key, an avatar URL, an ETag), collision resistance carries no security consequence here; make that intent explicit instead — a non-cryptographic hash such as xxhash or murmurhash says it in code — since the algorithm alone cannot distinguish the two uses. Where a protocol this code does not own fixes the digest (a k-anonymity range query, a legacy signature format), the protocol decides; say so beside the call.
Weak hash algorithm build/amd/src/loader.js:660 — MD5/SHA1 is computed here, and both are collision-broken. If this digest protects anything — a signature, an integrity or tamper check, a credential, or any value an attacker can influence — that is a real weakness: use SHA-256+ (`createHash("sha256")`) for content integrity, or a KDF (bcrypt/Argon2/scrypt) for password storage. If it only derives a non-security identifier (a cache key, an avatar URL, an ETag), collision resistance carries no security consequence here; make that intent explicit instead — a non-cryptographic hash such as xxhash or murmurhash says it in code — since the algorithm alone cannot distinguish the two uses. Where a protocol this code does not own fixes the digest (a k-anonymity range query, a legacy signature format), the protocol decides; say so beside the call.
Weak hash algorithm build/amd/src/loader.js:701 — MD5/SHA1 is computed here, and both are collision-broken. If this digest protects anything — a signature, an integrity or tamper check, a credential, or any value an attacker can influence — that is a real weakness: use SHA-256+ (`createHash("sha256")`) for content integrity, or a KDF (bcrypt/Argon2/scrypt) for password storage. If it only derives a non-security identifier (a cache key, an avatar URL, an ETag), collision resistance carries no security consequence here; make that intent explicit instead — a non-cryptographic hash such as xxhash or murmurhash says it in code — since the algorithm alone cannot distinguish the two uses. Where a protocol this code does not own fixes the digest (a k-anonymity range query, a legacy signature format), the protocol decides; say so beside the call.

D12 · Dependency Hygiene · Deprecated · ×2

Deprecated: glob package.json:67 — glob 7.2.0, declared in package.json, is marked deprecated by its publisher: "Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me". Replace it with the package or version that message names, or record why this one must stay.
Deprecated: glob webpack-plugin/package.json:35 — glob 7.2.0, declared in webpack-plugin/package.json, is marked deprecated by its publisher: "Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me". Replace it with the package or version that message names, or record why this one must stay.

D17 · Explicit Debt · FixmeComment · ×2

FixmeComment src/languages/definitions/postiats/postiats.ts:653 — // FIXME: this one is quite messy/unfinished yet — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.
FixmeComment src/languages/definitions/postiats/postiats.ts:702 — // FIXME: does it match? docs say 'no' — source code is not a task system: move the work to your tracker and leave a reference instead (e.g. `// REF: #123`), so the task is planned where tasks live and the ticket links back to the code.

D17 · Explicit Debt · HackComment · ×2

HackComment webpack-plugin/src/loaders/include.ts:15 — // HACK: NamedModulesPlugin overwrites existing modules when requesting the same module via — a workaround marked in source: record what it is compensating for and what would allow its removal (the upstream fix, the API it is waiting on, the invariant it restores), so the next reader can judge whether it is still needed rather than rediscovering why it is there.
HackComment webpack-plugin/src/plugins/AddWorkerEntryPointPlugin.ts:25 — // HACK: globalObject is necessary to fix https://github.com/webpack/webpack/issues/6642 — a workaround marked in source: record what it is compensating for and what would allow its removal (the upstream fix, the API it is waiting on, the invariant it restores), so the next reader can judge whether it is still needed rather than rediscovering why it is there.

IC1 · Incompleteness & stubs · Fake-async · ×2

Fake-async — async method never awaits website/src/runner/debug.ts:50 — `main` is declared `async` but never awaits anything, so it runs synchronously while pretending to be asynchronous. Drop `async` or do the real async work.
Fake-async — async method never awaits website/src/website/pages/playground/getNpmVersionsSync.ts:18 — `getNpmVersions` is declared `async` but never awaits anything, so it runs synchronously while pretending to be asynchronous. Drop `async` or do the real async work.

P7 · Outbound HTTP resilience · Outbound HTTP without resilience · ×2

Outbound HTTP without resilience build/amd/src/loader.js:477 — `fetch(` makes an outbound HTTP call, and nothing bounds it: no timeout, deadline, retry or circuit breaker is set for it here, and the client has no process-wide default. A slow or failing dependency will hold this service's request, thread or connection until the call gives up on its own — or never, for a client with no default timeout.
Outbound HTTP without resilience src/languages/features/json/jsonWorker.ts:14 — `fetch(` makes an outbound HTTP call, and nothing bounds it: no timeout, deadline, retry or circuit breaker is set for it here, and the client has no process-wide default. A slow or failing dependency will hold this service's request, thread or connection until the call gives up on its own — or never, for a client with no default timeout.

R10 · Code Duplication · Duplicated block (52 lines × 2 locations) · ×2

Duplicated block (52 lines × 2 locations) src/languages/definitions/cameligo/cameligo.ts:120 — src/languages/definitions/cameligo/cameligo.ts:120 · src/languages/definitions/pascaligo/pascaligo.ts:110 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.
Duplicated block (52 lines × 2 locations) src/languages/definitions/pgsql/pgsql.ts:788 — src/languages/definitions/pgsql/pgsql.ts:788 · src/languages/definitions/sql/sql.ts:771 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.

R10 · Code Duplication · Duplicated block (31 lines × 2 locations) · ×2

Duplicated block (31 lines × 2 locations) src/languages/definitions/handlebars/handlebars.ts:47 — src/languages/definitions/handlebars/handlebars.ts:47 · src/languages/definitions/liquid/liquid.ts:45 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.
Duplicated block (31 lines × 2 locations) src/languages/features/css/register.ts:144 — src/languages/features/css/register.ts:144 · src/languages/features/json/register.ts:264 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported.

R10 · Code Duplication · Duplicated block (29 lines × 2 locations) · ×2

Duplicated block (29 lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspDocumentSymbolFeature.ts:23 — monaco-lsp-client/src/adapters/languageFeatures/LspDocumentSymbolFeature.ts:23 · monaco-lsp-client/src/adapters/languageFeatures/LspFoldingRangeFeature.ts:21 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported.
Duplicated block (29 lines × 2 locations) src/languages/features/typescript/languageFeatures.ts:773 — src/languages/features/typescript/languageFeatures.ts:773 · src/languages/features/typescript/languageFeatures.ts:826 — both copies are in the same file, so extract the block into one function there and call it from each site — the copies drift apart the first time only one of them is edited.

R10 · Code Duplication · Duplicated block (28 lines × 2 locations) · ×2

Duplicated block (28 lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:17 — monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:17 · monaco-lsp-client/src/adapters/languageFeatures/LspDocumentSymbolFeature.ts:24 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported.
Duplicated block (28 lines × 2 locations) src/languages/features/css/cssMode.ts:110 — src/languages/features/css/cssMode.ts:110 · src/languages/features/html/htmlMode.ts:136 — the 2 copies are spread across 2 directories, so the shared home is a decision rather than an obvious spot: check first whether one of them already owns this behaviour, and otherwise put the extracted module somewhere all of the sites already reach rather than making one of them depend on another.

R10 · Code Duplication · Duplicated block (17 lines × 2 locations) · ×2

Duplicated block (17 lines × 2 locations) src/languages/definitions/markdown/markdown.ts:21 — src/languages/definitions/markdown/markdown.ts:21 · src/languages/definitions/restructuredtext/restructuredtext.ts:18 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.
Duplicated block (17 lines × 2 locations) src/languages/features/css/cssMode.ts:30 — src/languages/features/css/cssMode.ts:30 · src/languages/features/json/jsonMode.ts:84 — the 2 copies are spread across 2 directories, so the shared home is a decision rather than an obvious spot: check first whether one of them already owns this behaviour, and otherwise put the extracted module somewhere all of the sites already reach rather than making one of them depend on another.

R10 · Code Duplication · Duplicated block (15 lines × 3 locations) · ×2

Duplicated block (15 lines × 3 locations) monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:44 — monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:44 · monaco-lsp-client/src/adapters/languageFeatures/LspOnTypeFormattingFeature.ts:55 · monaco-lsp-client/src/adapters/languageFeatures/LspRangeFormattingFeature.ts:46 — the 3 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it. There is one copy in each of 3 separate files rather than several in one place, so check first whether these are sibling modules that each declare their own version of one shape — one per entity, per provider, per language. Where they are, no single extracted module collapses them: each module still has to be written, and what recurs is the TEMPLATE. The moves that do collapse a template are to generate these modules from the set they enumerate, or to replace the repeated construction with one factory each site calls with its own values — and where the set is the point, each module pinning one distinct thing, the repetition IS the enumeration and there is nothing to delete.
Duplicated block (15 lines × 3 locations) src/languages/definitions/css/css.ts:31 — src/languages/definitions/css/css.ts:31 · src/languages/definitions/less/less.ts:28 · src/languages/definitions/scss/scss.ts:28 — the 3 copies are spread across 3 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.

R10 · Code Duplication · Duplicated block (14 lines × 2 locations) · ×2

Duplicated block (14 lines × 2 locations) monaco-lsp-client/generator/index.ts:564 — monaco-lsp-client/generator/index.ts:564 · monaco-lsp-client/generator/index.ts:588 — all 2 copies are in the same file, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported.
Duplicated block (14 lines × 2 locations) src/languages/definitions/cpp/cpp.ts:27 — src/languages/definitions/cpp/cpp.ts:27 · src/languages/definitions/rust/rust.ts:26 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.

R2 · Cyclomatic Complexity · Complex function registerProviders (cyclomatic 14, cognitive 13) · ×2

Complex function registerProviders (cyclomatic 14, cognitive 13) src/languages/features/css/cssMode.ts:25 — registerProviders has cyclomatic complexity 14 and cognitive complexity 13; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes.
Complex function registerProviders (cyclomatic 14, cognitive 13) src/languages/features/typescript/tsMode.ts:59 — registerProviders has cyclomatic complexity 14 and cognitive complexity 13; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes.

R2 · Cyclomatic Complexity · Complex function registerProviders (cyclomatic 11, cognitive 10) · ×2

Complex function registerProviders (cyclomatic 11, cognitive 10) src/languages/features/html/htmlMode.ts:78 — registerProviders has cyclomatic complexity 11 and cognitive complexity 10; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes.
Complex function registerProviders (cyclomatic 11, cognitive 10) src/languages/features/json/jsonMode.ts:63 — registerProviders has cyclomatic complexity 11 and cognitive complexity 10; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes.

X2 · Cancellation propagation · Async function without AbortSignal · ×2

Async function without AbortSignal: _getNpmVersions website/src/website/pages/playground/getNpmVersionsSync.ts:32 — `_getNpmVersions` awaits `fetch(…)` but neither accepts an AbortSignal nor passes one on, so its caller cannot stop the request once it has started. Accept `{ signal }` and pass it through: `fetch(url, { signal })`.
Async function without AbortSignal: getVsCodeCommitId website/src/website/pages/playground/getNpmVersionsSync.ts:94 — `getVsCodeCommitId` awaits `fetch(…)` but neither accepts an AbortSignal nor passes one on, so its caller cannot stop the request once it has started. Accept `{ signal }` and pass it through: `fetch(url, { signal })`.

X3 · Exception handling · Swallowed exception (empty catch) · ×2

Swallowed exception (empty catch) webpack-plugin/src/index.ts:31 — An empty catch block silently discards the error — failures vanish with no log and no rethrow. Log it, handle it, or don't catch it.
Swallowed exception (empty catch) webpack-plugin/src/index.ts:35 — An empty catch block silently discards the error — failures vanish with no log and no rethrow. Log it, handle it, or don't catch it.

AC3 · Page structure · Heading level jumps from h1 to h3 · ×1

Heading level jumps from h1 to h3 website/src/website/pages/home/Home.tsx:52 — Skipping heading levels breaks the document outline assistive tech relies on. Don't jump levels — increase by at most one.

AC6 · Visual & motion safety · Animation without a prefers-reduced-motion guard · ×1

Animation without a prefers-reduced-motion guard website/src/runner/style.scss:24 — `.loader` moves (`animation: spin 2s linear infinite`) and nothing reads prefers-reduced-motion for it — no @media (prefers-reduced-motion) rule for this element, no reset this project loads — so a motion-sensitive user cannot turn it off (WCAG 2.3.3). Declare it under @media (prefers-reduced-motion: no-preference), or neutralise it under reduce.

AC7 · A11y enforcement · Accessibility enforcement below the top rung · ×1

Accessibility enforcement below the top rung — No accessibility enforcement found — no a11y linter (eslint-plugin-jsx-a11y) and no axe/pa11y/Lighthouse in tests or CI. Start with the linter to catch issues at author time. What was searched, so you can tell an absence from a miss: the 18 markup file(s) this pass actually assessed, the linter configuration checked in beside them, and this repository's test and CI files — matched by name against the accessibility checkers this dimension carries. An audit run outside the repository, a hosted scanner, or a check whose name is not one of those, is not seen here.

D29 · Static Analysis (SAST) · REDACTED · ×1

REDACTED

D29 · Static Analysis (SAST) · REDACTED · ×1

REDACTED

D36 · Supply-chain Provenance & Signing REDACTED · ×1

REDACTED

D8 · Code Coverage · Low coverage · ×1

Low coverage: src/languages/definitions/xml/register.ts src/languages/definitions/xml/register.ts:1 — 36.4% line coverage (12/33).

IC1 · Incompleteness & stubs · Guard cannot change the result · ×1

Guard cannot change the result — returns what the code already falls through to monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:64 — The guard above `return link;` also returns `link`, so no input can make it matter. Implement the distinction that was intended, or delete the guard.

IC1 · Incompleteness & stubs · Markup wires an event to an empty handler · ×1

Markup wires an event to an empty handler website/src/website/pages/home/Home.tsx:210 — `onDidValueChange` is wired to an arrow whose body is empty — the markup attaches a listener that does nothing. Implement the handler, or remove the attribute that wires it.

P2 · Observability · No structured logging · ×1

No structured logging — No logging call was found in the 401 JavaScript/TypeScript production file(s) this check read across 4 module(s). Each was searched for its ecosystem's logging libraries (JavaScript/TypeScript: pino, winston, bunyan, log4js, loglevel, consola, the NestJS Logger) and for a call on a receiver named `log`/`logger` (or ending in `Logger`/`_logger`) with a level verb. It cannot see logging through a repo-local wrapper named otherwise, or in source it did not read — this is 'no logging found by this walk', not a verdict that nothing here logs. If it is right, production issues will be hard to diagnose.

R10 · Code Duplication · Duplication concentrated across 60 sibling directories (69 clone groups) · ×1

Duplication concentrated across 60 sibling directories (69 clone groups) src/languages/definitions/coffee/coffee.ts:158 — 69 duplicated blocks under src/languages/definitions/ have copies in at least two of the sibling directories apex, bat, bicep, cameligo, coffee, cpp (+54 more sibling(s) not listed) — 17 of them are reported below, and 52 are counted here but not reported individually: those copies match on shape but no longer clear R10's bar for an individually reported row — either they kept neither their own names nor their values, or what was copied is too small to stand on its own (it reports near-exact duplication only, and only of substantial extent). What this row states is the concentration, which the detector measured over all 69 and which does not depend on how exactly each block's copies still match. That concentration is one structural fact, not 69 local ones: the siblings replicate behaviour none of them owns, which is the shape of a missing shared module — a common library every sibling imports — rather than 69 separate extractions. Check first whether the siblings are deliberately standalone deliverables (scaffold templates, demo apps that must stay copy-pasteable); where they are, the duplication is the design and the per-block rows are the ones to act on.

R10 · Code Duplication · Duplication concentrated across 5 sibling directories (18 clone groups) · ×1

Duplication concentrated across 5 sibling directories (18 clone groups) src/languages/features/css/cssWorker.ts:10 — 18 duplicated blocks under src/languages/features/ have copies in at least two of the sibling directories common, css, html, json, typescript — 12 of them are reported below, and 6 are counted here but not reported individually: those copies match on shape but no longer clear R10's bar for an individually reported row — either they kept neither their own names nor their values, or what was copied is too small to stand on its own (it reports near-exact duplication only, and only of substantial extent). What this row states is the concentration, which the detector measured over all 18 and which does not depend on how exactly each block's copies still match. That concentration is one structural fact, not 18 local ones: the siblings replicate behaviour none of them owns, which is the shape of a missing shared module — a common library every sibling imports — rather than 18 separate extractions. Check first whether the siblings are deliberately standalone deliverables (scaffold templates, demo apps that must stay copy-pasteable); where they are, the duplication is the design and the per-block rows are the ones to act on.

R10 · Code Duplication · Duplicated block with local edits (119 matched lines × 2 locations) · ×1

Duplicated block with local edits (119 matched lines × 2 locations) src/languages/features/css/cssWorker.ts:10 — src/languages/features/css/cssWorker.ts:10 · src/languages/features/html/htmlWorker.ts:11 — the two spans are one implementation copied and then locally edited — 726 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one.

R10 · Code Duplication · Duplicated block (87 lines × 2 locations) · ×1

Duplicated block (87 lines × 2 locations) src/languages/definitions/coffee/coffee.ts:158 — src/languages/definitions/coffee/coffee.ts:158 · src/languages/definitions/mips/mips.ts:122 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.

R10 · Code Duplication · Wholesale file copy (73 identical lines × 2 files) · ×1

Wholesale file copy (73 identical lines × 2 files) src/languages/definitions/solidity/solidity.ts:6 — src/languages/definitions/solidity/solidity.ts:6 · src/languages/definitions/sophia/sophia.ts:6 — these 2 files are line-for-line copies of one another — 73 lines are identical, in the same order, in every one of them — so this is one fact about the file set, not a block to extract. An edit made to one file and not the others changes behaviour silently, which is the failure a wholesale copy guarantees. Pick one file as the single source and derive the others from it (re-export it, spread it into the local overrides each variant genuinely needs, or generate the copies at build time) — the few lines that differ between the files are exactly the part each variant should still own. Check first whether the copies are deliberately standalone deliverables (a translation file seeded from its sibling and waiting to be translated); where they are, the duplication is the design, and the honest move is to mark the seeded file as untranslated rather than to let it pass as done.

R10 · Code Duplication · Duplicated block (67 lines × 2 locations) · ×1

Duplicated block (67 lines × 2 locations) src/languages/features/css/workerManager.ts:11 — src/languages/features/css/workerManager.ts:11 · src/languages/features/json/workerManager.ts:11 — the 2 copies are spread across 2 directories, so the shared home is a decision rather than an obvious spot: check first whether one of them already owns this behaviour, and otherwise put the extracted module somewhere all of the sites already reach rather than making one of them depend on another.

R10 · Code Duplication · Wholesale file copy (66 identical lines × 3 files) · ×1

Wholesale file copy (66 identical lines × 3 files) src/languages/definitions/mysql/mysql.ts:6 — src/languages/definitions/mysql/mysql.ts:6 · src/languages/definitions/pgsql/pgsql.ts:6 · src/languages/definitions/redshift/redshift.ts:6 — these 3 files are line-for-line copies of one another — 66 lines are identical, in the same order, in every one of them — so this is one fact about the file set, not a block to extract. An edit made to one file and not the others changes behaviour silently, which is the failure a wholesale copy guarantees. Pick one file as the single source and derive the others from it (re-export it, spread it into the local overrides each variant genuinely needs, or generate the copies at build time) — the few lines that differ between the files are exactly the part each variant should still own. Check first whether the copies are deliberately standalone deliverables (a translation file seeded from its sibling and waiting to be translated); where they are, the duplication is the design, and the honest move is to mark the seeded file as untranslated rather than to let it pass as done.

R10 · Code Duplication · Duplicated block with local edits (52 matched lines × 2 locations) · ×1

Duplicated block with local edits (52 matched lines × 2 locations) src/languages/features/html/htmlWorker.ts:103 — src/languages/features/html/htmlWorker.ts:103 · src/languages/features/json/jsonWorker.ts:119 — the two spans are one implementation copied and then locally edited — 300 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one.

R10 · Code Duplication · Duplicated block (47 lines × 2 locations) · ×1

Duplicated block (47 lines × 2 locations) src/languages/definitions/pascal/pascal.ts:188 — src/languages/definitions/pascal/pascal.ts:188 · src/languages/definitions/pascaligo/pascaligo.ts:100 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.

R10 · Code Duplication · Duplicated block (46 lines × 2 locations) · ×1

Duplicated block (46 lines × 2 locations) src/languages/definitions/dart/dart.ts:238 — src/languages/definitions/dart/dart.ts:238 · src/languages/definitions/typescript/typescript.ts:286 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.

R10 · Code Duplication · Duplicated block (45 lines × 4 locations) · ×1

Duplicated block (45 lines × 4 locations) monaco-lsp-client/src/adapters/languageFeatures/LspDeclarationFeature.ts:8 — monaco-lsp-client/src/adapters/languageFeatures/LspDeclarationFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspDefinitionFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspImplementationFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspTypeDefinitionFeature.ts:8 — the 4 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it. There is one copy in each of 4 separate files rather than several in one place, so check first whether these are sibling modules that each declare their own version of one shape — one per entity, per provider, per language. Where they are, no single extracted module collapses them: each module still has to be written, and what recurs is the TEMPLATE. The moves that do collapse a template are to generate these modules from the set they enumerate, or to replace the repeated construction with one factory each site calls with its own values — and where the set is the point, each module pinning one distinct thing, the repetition IS the enumeration and there is nothing to delete.

R10 · Code Duplication · Duplicated block with local edits (37 matched lines × 2 locations) · ×1

Duplicated block with local edits (37 matched lines × 2 locations) src/languages/features/html/htmlWorker.ts:53 — src/languages/features/html/htmlWorker.ts:53 · src/languages/features/json/jsonWorker.ts:104 — the two spans are one implementation copied and then locally edited — 228 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one.

R10 · Code Duplication · Duplicated block with local edits (30 matched lines × 2 locations) · ×1

Duplicated block with local edits (30 matched lines × 2 locations) src/languages/features/common/lspLanguageFeatures.ts:52 — src/languages/features/common/lspLanguageFeatures.ts:52 · src/languages/features/typescript/languageFeatures.ts:237 — the two spans are one implementation copied and then locally edited — 176 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one.

R10 · Code Duplication · Duplicated block (24 lines × 2 locations) · ×1

Duplicated block (24 lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspFoldingRangeFeature.ts:22 — monaco-lsp-client/src/adapters/languageFeatures/LspFoldingRangeFeature.ts:22 · monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:16 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported.

R10 · Code Duplication · Duplicated block with local edits (24 matched lines × 2 locations) · ×1

Duplicated block with local edits (24 matched lines × 2 locations) src/languages/features/html/workerManager.ts:17 — src/languages/features/html/workerManager.ts:17 · src/languages/features/typescript/workerManager.ts:14 — the two spans are one implementation copied and then locally edited — 132 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one.

R10 · Code Duplication · Duplicated block (21 lines × 2 locations) · ×1

Duplicated block (21 lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspHoverFeature.ts:8 — monaco-lsp-client/src/adapters/languageFeatures/LspHoverFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspRenameFeature.ts:8 — the 2 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it.

R10 · Code Duplication · Duplicated block (20 lines × 7 locations) · ×1

Duplicated block (20 lines × 7 locations) monaco-lsp-client/src/adapters/languageFeatures/LspCodeLensFeature.ts:10 — monaco-lsp-client/src/adapters/languageFeatures/LspCodeLensFeature.ts:10 · monaco-lsp-client/src/adapters/languageFeatures/LspDocumentHighlightFeature.ts:9 · monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspOnTypeFormattingFeature.ts:8 · +3 more site(s) not listed — the 7 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it. There is one copy in each of 7 separate files rather than several in one place, so check first whether these are sibling modules that each declare their own version of one shape — one per entity, per provider, per language. Where they are, no single extracted module collapses them: each module still has to be written, and what recurs is the TEMPLATE. The moves that do collapse a template are to generate these modules from the set they enumerate, or to replace the repeated construction with one factory each site calls with its own values — and where the set is the point, each module pinning one distinct thing, the repetition IS the enumeration and there is nothing to delete.

R10 · Code Duplication · Duplicated block (20 lines × 2 locations) · ×1

Duplicated block (20 lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspRangeFormattingFeature.ts:8 — monaco-lsp-client/src/adapters/languageFeatures/LspRangeFormattingFeature.ts:8 · monaco-lsp-client/src/adapters/languageFeatures/LspReferencesFeature.ts:8 — the 2 copies sit in sibling files in one directory, so check first whether one of them (or an existing module there) already owns this behaviour and the others should call it; otherwise extract it into one module in that directory and have each site call it.

R10 · Code Duplication · Duplicated block (19 lines × 2 locations) · ×1

Duplicated block (19 lines × 2 locations) monaco-lsp-client/src/adapters/languageFeatures/LspCodeLensFeature.ts:34 — monaco-lsp-client/src/adapters/languageFeatures/LspCodeLensFeature.ts:34 · monaco-lsp-client/src/adapters/languageFeatures/LspDocumentLinkFeature.ts:29 — the 2 copies are spread across 2 files, and the CITED SPAN is not a self-contained block — it runs from inside one construct into the next (the tail of a branch plus the head of the following one, a run of switch arms, the end of a declaration plus the list that follows it) rather than covering a whole unit. So do not lift these lines literally: no call can be substituted for a half-open construct. Extract the enclosing repeated UNIT instead — the whole function, component or branch these lines sit in — and where the repetition IS the construct (a run of switch arms, a stack of near-identical declarations) replace it with one table or registry looked up by key rather than a helper each arm calls. The copies still drift apart the first time only one of them is edited, which is why this is reported.

R10 · Code Duplication · Duplicated block with local edits (19 matched lines × 2 locations) · ×1

Duplicated block with local edits (19 matched lines × 2 locations) src/languages/definitions/razor/razor.ts:52 — src/languages/definitions/razor/razor.ts:52 · src/languages/definitions/xml/xml.ts:21 — the two spans are one implementation copied and then locally edited — 67 tokens are still identical, in the same order in both files, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one.

R10 · Code Duplication · Duplicated block with local edits (17 matched lines × 2 locations) · ×1

Duplicated block with local edits (17 matched lines × 2 locations) REDACTED:9 — REDACTED:9 · REDACTED:28 — the two spans are one implementation copied and then locally edited — 98 tokens are still identical, in the same order in both spans, with only local edits between them. The copies have already begun to drift, which is this row's finding: an edit made to one and not the other changes behaviour silently. Diff the two spans first to learn what genuinely differs, then extract the shared core into one module both sites use, passing the differences in as parameters — or, if one copy exists only because the other could not be imported from its context, make one of them the single source the other is generated or re-exported from. If one copy is no longer reachable, delete it rather than letting it shadow the live one.

R10 · Code Duplication · Duplicated block (16 lines × 2 locations) · ×1

Duplicated block (16 lines × 2 locations) src/languages/definitions/coffee/coffee.ts:29 — src/languages/definitions/coffee/coffee.ts:29 · src/languages/definitions/powershell/powershell.ts:29 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.

R10 · Code Duplication · Duplicated block (15 lines × 2 locations) · ×1

Duplicated block (15 lines × 2 locations) src/languages/definitions/java/java.ts:30 — src/languages/definitions/java/java.ts:30 · src/languages/definitions/kotlin/kotlin.ts:30 — the 2 copies are spread across 2 files, and the CITED SPAN is a run of DECLARATIONS inside a construct — the members of a type, or the entries of an object or array literal — with no statement anywhere in it. Do not read this as an extract-a-helper row: nothing here executes, so there is no call site, and a call expression cannot stand where a member declaration or a literal's entry was. What repeats is a SHAPE, and which shape decides the move. Where the copies declare the same members, the repetition is a missing common ancestor: give it a base type, an interface both extend, a generic instantiated twice, or — where the copies are a literal's entries rather than a type's members — one shared constant each site spreads or refers to, so the set is written once. Where they declare DIFFERENT members and only the form is shared — a decorator and its options, an annotation, a registration table's keys — the form is prescribed by a framework or a schema rather than copied, and the only collapse available is to generate the declarations from that schema; where you do not own the generator, this is the cost of the framework and there is nothing to extract. Check which of the two it is before acting: these copies still drift apart the first time only one of them is edited, which is why the repetition is reported, but the sentence to act on is not the same in both cases.

R2 · Cyclomatic Complexity · Complex function tokenize (cyclomatic 24, cognitive 22) · ×1

Complex function tokenize (cyclomatic 24, cognitive 22) src/languages/features/json/tokenization.ts:144 — tokenize has cyclomatic complexity 24 and cognitive complexity 22; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes.

R2 · Cyclomatic Complexity · Complex function createMonarchLanguage (cyclomatic 14, cognitive 13) · ×1

Complex function createMonarchLanguage (cyclomatic 14, cognitive 13) REDACTED:294 — createMonarchLanguage has cyclomatic complexity 14 and cognitive complexity 13; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive sits below cyclomatic here, so much of the count is breadth — arms side by side rather than stacked — and splitting per arm would leave a function per arm; group the work between the checks into named steps instead. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes.

R2 · Cyclomatic Complexity · Complex function generateApiContract (cyclomatic 13, cognitive 16) · ×1

Complex function generateApiContract (cyclomatic 13, cognitive 16) monaco-lsp-client/generator/index.ts:514 — generateApiContract has cyclomatic complexity 13 and cognitive complexity 16; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive is at or above cyclomatic here, so the branching is nested or entangled rather than laid out side by side — extracting each decision into its own named function is the change that pays. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes.

R2 · Cyclomatic Complexity · Complex function normalizePath (cyclomatic 11, cognitive 11) · ×1

Complex function normalizePath (cyclomatic 11, cognitive 11) src/languages/features/json/jsonWorker.ts:197 — normalizePath has cyclomatic complexity 11 and cognitive complexity 11; this row is raised above a cyclomatic bar of 10. The two numbers answer different questions and the gap between them is what decides whether to act: cyclomatic counts the independent arms through the body, cognitive counts what it costs to hold them in your head, so nesting and mixed boolean chains raise it while a flat run of independent arms does not. Cognitive is at or above cyclomatic here, so the branching is nested or entangled rather than laid out side by side — extracting each decision into its own named function is the change that pays. Measured by this repository's own parse of the file, so a body assembled at runtime, or generated, is counted as written rather than as it executes.

R3 · Large Files · src/languages/definitions/solidity/solidity.ts · ×1

src/languages/definitions/solidity/solidity.ts: 1368 lines of code src/languages/definitions/solidity/solidity.ts:1 — src/languages/definitions/solidity/solidity.ts has 1368 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/abap/abap.ts · ×1

src/languages/definitions/abap/abap.ts: 1364 lines of code src/languages/definitions/abap/abap.ts:1 — src/languages/definitions/abap/abap.ts has 1364 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · REDACTED · ×1

REDACTED: 1115 lines of code REDACTED:1 — REDACTED has 1115 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/features/typescript/languageFeatures.ts · ×1

src/languages/features/typescript/languageFeatures.ts: 1107 lines of code src/languages/features/typescript/languageFeatures.ts:1 — src/languages/features/typescript/languageFeatures.ts has 1107 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/powerquery/powerquery.ts · ×1

src/languages/definitions/powerquery/powerquery.ts: 892 lines of code src/languages/definitions/powerquery/powerquery.ts:1 — src/languages/definitions/powerquery/powerquery.ts has 892 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/features/common/lspLanguageFeatures.ts · ×1

src/languages/features/common/lspLanguageFeatures.ts: 892 lines of code src/languages/features/common/lspLanguageFeatures.ts:1 — src/languages/features/common/lspLanguageFeatures.ts has 892 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/clojure/clojure.ts · ×1

src/languages/definitions/clojure/clojure.ts: 765 lines of code src/languages/definitions/clojure/clojure.ts:1 — src/languages/definitions/clojure/clojure.ts has 765 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/postiats/postiats.ts · ×1

src/languages/definitions/postiats/postiats.ts: 711 lines of code src/languages/definitions/postiats/postiats.ts:1 — src/languages/definitions/postiats/postiats.ts has 711 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/sql/keywords.js · ×1

src/languages/definitions/sql/keywords.js: 706 lines of code src/languages/definitions/sql/keywords.js:1 — src/languages/definitions/sql/keywords.js has 706 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/features/typescript/register.ts · ×1

src/languages/features/typescript/register.ts: 685 lines of code src/languages/features/typescript/register.ts:1 — src/languages/features/typescript/register.ts has 685 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · monaco-lsp-client/generator/index.ts · ×1

monaco-lsp-client/generator/index.ts: 598 lines of code monaco-lsp-client/generator/index.ts:1 — monaco-lsp-client/generator/index.ts has 598 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/elixir/elixir.ts · ×1

src/languages/definitions/elixir/elixir.ts: 582 lines of code src/languages/definitions/elixir/elixir.ts:1 — src/languages/definitions/elixir/elixir.ts has 582 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/systemverilog/systemverilog.ts · ×1

src/languages/definitions/systemverilog/systemverilog.ts: 577 lines of code src/languages/definitions/systemverilog/systemverilog.ts:1 — src/languages/definitions/systemverilog/systemverilog.ts has 577 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/php/php.ts · ×1

src/languages/definitions/php/php.ts: 575 lines of code src/languages/definitions/php/php.ts:1 — src/languages/definitions/php/php.ts has 575 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/ruby/ruby.ts · ×1

src/languages/definitions/ruby/ruby.ts: 543 lines of code src/languages/definitions/ruby/ruby.ts:1 — src/languages/definitions/ruby/ruby.ts has 543 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/razor/razor.ts · ×1

src/languages/definitions/razor/razor.ts: 528 lines of code src/languages/definitions/razor/razor.ts:1 — src/languages/definitions/razor/razor.ts has 528 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/julia/julia.ts · ×1

src/languages/definitions/julia/julia.ts: 512 lines of code src/languages/definitions/julia/julia.ts:1 — src/languages/definitions/julia/julia.ts has 512 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/features/typescript/tsWorker.ts · ×1

src/languages/features/typescript/tsWorker.ts: 468 lines of code src/languages/features/typescript/tsWorker.ts:1 — src/languages/features/typescript/tsWorker.ts has 468 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/wgsl/wgsl.ts · ×1

src/languages/definitions/wgsl/wgsl.ts: 458 lines of code src/languages/definitions/wgsl/wgsl.ts:1 — src/languages/definitions/wgsl/wgsl.ts has 458 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/ecl/ecl.ts · ×1

src/languages/definitions/ecl/ecl.ts: 457 lines of code src/languages/definitions/ecl/ecl.ts:1 — src/languages/definitions/ecl/ecl.ts has 457 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/protobuf/protobuf.ts · ×1

src/languages/definitions/protobuf/protobuf.ts: 418 lines of code src/languages/definitions/protobuf/protobuf.ts:1 — src/languages/definitions/protobuf/protobuf.ts has 418 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R3 · Large Files · src/languages/definitions/st/st.ts · ×1

src/languages/definitions/st/st.ts: 415 lines of code src/languages/definitions/st/st.ts:1 — src/languages/definitions/st/st.ts has 415 significant lines (blank lines excluded), over the 400-line bar, and contains logic — a file this long is usually several responsibilities in one module.

R5 · Dependency Freshness · Dependency Freshness · ×1

Dependency Freshness — 39 outdated package(s); JS/npm CVEs scored in D30

X13 · Undrained process stream · Redirected process stream is never drained (deadlock) · ×1

Redirected process stream is never drained (deadlock) REDACTED:31 — `spawn` pipes `stderr` here — it is given no `stdio` option, or `'pipe'` — but nothing in this scope ever reads `process.stderr`, while `process.stdout` is read and the child's end is awaited. Node holds an unread pipe's output only up to its buffer: once the child writes more than that to stderr (measured on Linux: about 128 KB — the 64 KB pipe plus Node's 64 KB read-ahead — and less elsewhere), the child blocks on the write, never exits, and the `close`/`exit` this code waits for never fires. Nothing fails loudly: the promise never settles, the request never returns, and the stuck child holds its resources until something kills it. Consume both streams (`process.stderr.on('data', …)`, or `process.stderr.resume()` to discard it), or stop piping the one you do not want — `stdio: ['pipe', 'pipe', 'inherit']` or `'ignore'` in that slot.

Minor — 51 finding(s)

R7 · Dead Code · Unused private field '_capabilities' · ×16

Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspCodeActionFeature.ts:51 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspDeclarationFeature.ts:35 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspDefinitionFeature.ts:35 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspDocumentHighlightFeature.ts:34 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspDocumentSymbolFeature.ts:41 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspFoldingRangeFeature.ts:39 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspFormattingFeature.ts:33 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspHoverFeature.ts:34 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspImplementationFeature.ts:35 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspInlayHintsFeature.ts:73 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspOnTypeFormattingFeature.ts:35 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspRangeFormattingFeature.ts:33 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspReferencesFeature.ts:33 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspSelectionRangeFeature.ts:33 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspSignatureHelpFeature.ts:45 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.
Unused private field '_capabilities' monaco-lsp-client/src/adapters/languageFeatures/LspTypeDefinitionFeature.ts:35 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.

D10 · Test Quality · No direct assertions · ×4

No direct assertions: should be able to create plaintext editor test/smoke/smoke.test.ts:30 — No conventional assertion call was detected, and 4 of 7 tests in `the repository root` read the same way — so this is treated as that project's convention rather than a broken test, and it does not drag the score. Two things look like this: verification that happens indirectly (an approval/verifier harness or BDD step methods), or a project of runnable samples compiled as tests, where a run that does not throw is the only check. If it is the latter, these methods genuinely verify nothing.
No direct assertions: css smoke test test/smoke/smoke.test.ts:41 — No conventional assertion call was detected, and 4 of 7 tests in `the repository root` read the same way — so this is treated as that project's convention rather than a broken test, and it does not drag the score. Two things look like this: verification that happens indirectly (an approval/verifier harness or BDD step methods), or a project of runnable samples compiled as tests, where a run that does not throw is the only check. If it is the latter, these methods genuinely verify nothing.
No direct assertions: html smoke test test/smoke/smoke.test.ts:48 — No conventional assertion call was detected, and 4 of 7 tests in `the repository root` read the same way — so this is treated as that project's convention rather than a broken test, and it does not drag the score. Two things look like this: verification that happens indirectly (an approval/verifier harness or BDD step methods), or a project of runnable samples compiled as tests, where a run that does not throw is the only check. If it is the latter, these methods genuinely verify nothing.
No direct assertions: json smoke test test/smoke/smoke.test.ts:73 — No conventional assertion call was detected, and 4 of 7 tests in `the repository root` read the same way — so this is treated as that project's convention rather than a broken test, and it does not drag the score. Two things look like this: verification that happens indirectly (an approval/verifier harness or BDD step methods), or a project of runnable samples compiled as tests, where a run that does not throw is the only check. If it is the latter, these methods genuinely verify nothing.

D12 · Dependency Hygiene · Outdated (npm) · ×3

Outdated (npm): mobx-react website/package.json:27 — mobx-react is pinned at 5.4.4; registry.npmjs.org publishes 10.0.2 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): react samples/browser-esm-vite-react/package.json:12 — react is pinned at 16.14.0; registry.npmjs.org publishes 19.3.1 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): react-dom samples/browser-esm-vite-react/package.json:13 — react-dom is pinned at 16.14.0; registry.npmjs.org publishes 19.3.1 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.

M4 · Documentation accuracy · README/code drift · ×3

README/code drift CONTRIBUTING.md:51 — CONTRIBUTING.md runs `yarn gulp editor-distro`, but no package.json declares a `gulp` script. Checked without a model against the repository: its files and folders, the scripts and dependencies of every package.json, the projects, namespaces, package references and target frameworks of the .NET build, the SDK and Node pins, and the identifiers of every file that is not a document; the documents' own text never counts. A footprint generated at build time, read only by a platform, or living outside this repository is not seen, and this row is then wrong.
README/code drift README.md:27 — README.md names `monaco.d.ts`, but no file or folder `monaco.d.ts` exists. Checked without a model against the repository: its files and folders, the scripts and dependencies of every package.json, the projects, namespaces, package references and target frameworks of the .NET build, the SDK and Node pins, and the identifiers of every file that is not a document; the documents' own text never counts. A footprint generated at build time, read only by a platform, or living outside this repository is not seen, and this row is then wrong.
README/code drift docs/integrate-esm.md:183 — docs/integrate-esm.md runs `sh ./build_workers.sh`, but `build_workers.sh` does not exist. Checked without a model against the repository: its files and folders, the scripts and dependencies of every package.json, the projects, namespaces, package references and target frameworks of the .NET build, the SDK and Node pins, and the identifiers of every file that is not a document; the documents' own text never counts. A footprint generated at build time, read only by a platform, or living outside this repository is not seen, and this row is then wrong.

R7 · Dead Code · Unused export 'create' · ×3

Unused export 'create' src/languages/features/css/cssWorker.ts:237 — Nothing imports this binding — it is safe to review for removal.
Unused export 'create' src/languages/features/html/htmlWorker.ts:162 — Nothing imports this binding — it is safe to review for removal.
Unused export 'create' src/languages/features/json/jsonWorker.ts:233 — Nothing imports this binding — it is safe to review for removal.

X7 · Silent fallback defaults · Silent fallback default in catch · ×2

Silent fallback default in catch src/languages/features/typescript/tsWorker.ts:447 — `getCodeFixesAtPosition` swallows every exception into `return []` — a data error becomes a silent behavior change with no trail. Log the failure or let it raise. If that constant is the correct answer rather than a stand-in for a value that could not be read, say so in a comment on the handler or in the docstring, and the row stops firing.
Silent fallback default in catch src/languages/features/typescript/tsWorker.ts:472 — `provideInlayHints` swallows every exception into `return []` — a data error becomes a silent behavior change with no trail. Log the failure or let it raise. If that constant is the correct answer rather than a stand-in for a value that could not be read, say so in a comment on the handler or in the docstring, and the row stops firing.

AX6 · Interface segregation · Fat interface · ×1

Fat interface: TypeScriptWorker (21 required operations) src/languages/features/typescript/register.ts:389 — `TypeScriptWorker` declares 21 required operations: `getSyntacticDiagnostics`, `getSemanticDiagnostics`, `getSuggestionDiagnostics`, `getScriptText`, `getCompilerOptionsDiagnostics`, `getCompletionsAtPosition`, `getCompletionEntryDetails`, `getSignatureHelpItems`, `getQuickInfoAtPosition`, `getDocumentHighlights`, `getDefinitionAtPosition`, `getReferencesAtPosition`, `getNavigationTree`, `getFormattingEditsForDocument`, `getFormattingEditsForRange`, `getFormattingEditsAfterKeystroke`, `findRenameLocations`, `getRenameInfo`, `getEmitOutput`, `getCodeFixesAtPosition`, `provideInlayHints`. Counted over its REQUIRED operations — a method signature or a function-typed property with no `?`, once per signature; optional members and data properties are not counted, because no implementer is forced to write them. A wide interface forces every implementer and caller to depend on methods they don't use (the Interface-Segregation 'I' in SOLID). Split it into focused role-interfaces.

D12 · Dependency Hygiene · Deprecated · ×1

Deprecated: glob REDACTED:7119 — glob 10.5.0 is resolved in REDACTED and is marked deprecated by its publisher: "Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me". This repository does not declare it — a direct dependency pulls it in, so the move is to upgrade or replace that dependency.

D16 · Bus Factor · Off-boarding risk · ×1

Off-boarding risk: anonymized user #1 — If anonymized user #1 becomes unavailable, 12 significant file(s) lose their only recent owner: monaco-lsp-client/src/adapters/languageFeatures/LspCompletionFeature.ts, monaco-lsp-client/src/adapters/languageFeatures/LspInlayHintsFeature.ts, monaco-lsp-client/src/adapters/languageFeatures/LspDiagnosticsFeature.ts, scripts/ci/build-monaco-editor-core-pkg.ts, scripts/ci/build-monaco-editor-pkg.ts, monaco-lsp-client/src/adapters/languageFeatures/LspSignatureHelpFeature.ts, src/languages/features/typescript/workerManager.ts, REDACTED (+4 more). Pair on, review, or document these before any departure.

D26 · Project Cohesion · Projects may be oversized for their cohesion · ×1

Projects may be oversized for their cohesion — 2 of 4 project(s) overshoot their size bounds, lowering Project Cohesion to 0.0/10. The most over is `(repository root)` (39386 LoC, 161 module-visible types across 19 directories). Review these for cohesion — draw the boundary inside the module first (group each responsibility into its own package or directory and keep the cross-boundary members non-public), since splitting a published package moves types between packages and breaks consumers.

D28 · Secrets (history) · Rotate the exposed credentials · ×1

REDACTED

D29 · Static Analysis (SAST) · REDACTED · ×1

REDACTED

D30 · Dependency Vulnerabilities · Low CVE · ×1

REDACTED

D36 · Supply-chain Provenance & Signing · REDACTED · ×1

REDACTED

D36 · Supply-chain Provenance & Signing · REDACTED · ×1

REDACTED

D36 · Supply-chain Provenance & Signing · REDACTED · ×1

REDACTED

M2 · Architecture documentation · No ADRs · ×1

No ADRs — No Architecture Decision Records found — no conventional ADR directory, no numbered `NNNN-title` documents in any markup this check reads, and nothing ADR-shaped by content. Design rationale recorded elsewhere (a design-notes tree, a mailing list, pull-request discussion) is not visible to this check and is not re-findable per decision, so a future maintainer cannot ask why one choice was made and get an answer.

M2 · Architecture documentation · No architecture diagram/doc · ×1

No architecture diagram/doc — No C4/Structurizr/PlantUML/Mermaid/Graphviz/D2 diagram, no drawn diagram named for the architecture, no file named `architecture` or `design` in any markup this check reads, and nothing in the README, docs or contributor guides that announces the shape — no `## Architecture` heading, no "architecture overview"/"high-level design" phrasing, no "the architecture is …" introduction, no guided code tour. A shape laid out in prose that never names itself as the architecture is not visible to this check, and neither is one kept outside the repository, so this row reports the absence of a re-findable shape document — not evidence that nobody wrote the shape down.

P3 · Security & performance tooling · No SAST · ×1

No SAST — No static application security testing detected. For this repository's stack, add CodeQL's javascript-typescript pack, `semgrep --config=p/typescript`, or eslint-plugin-security as a CI step. What was searched, so you can tell an absence from a miss: the 5581 CI workflow file(s) in this repository, and the scanner and linter configuration checked in beside them. A scan that runs outside CI, one configured in your forge's web UI rather than in a committed file, or a tool whose name is none of those this check carries, is not seen — if that is your case the row is wrong, and saying so is more useful than adding a second scanner.

R7 · Dead Code · Write-only private field '_initPromise' · ×1

Write-only private field '_initPromise' monaco-lsp-client/src/adapters/LspClient.ts:35 — This private field is assigned but never read: every reference in its class is a plain assignment, no string key or test reads it by name, and the instance never escapes as a whole (so nothing serialises or destructures it). The value it holds is dead state — read it where it was meant to take effect, or remove the field and its assignments.

R7 · Dead Code · Unused private field '_textModel' · ×1

Unused private field '_textModel' monaco-lsp-client/src/adapters/TextDocumentSynchronizer.ts:124 — Nothing in its class reads or assigns this private field (for a constructor parameter property: it is stored and never read), and no string key or test reaches it by name. Remove it, or use it where it was meant to take effect.

R7 · Dead Code · Unused module-local declaration 'fromCompletionItemKind' · ×1

Unused module-local declaration 'fromCompletionItemKind' src/languages/features/common/lspLanguageFeatures.ts:328 — This top-level declaration is not exported and its name occurs nowhere else in its module — not called, read, typed against, re-exported or named by a string. Nothing outside the module can reach a non-exported binding, so this is the whole search: remove it, or use it.

X10 · Duplicated predicate · Duplicated predicate · ×1

Duplicated predicate src/languages/features/css/register.ts:186 — `modeConfiguration || Object.create(null)` appears character-identically in 4 files — src/languages/features/css/register.ts, src/languages/features/html/register.ts, src/languages/features/json/register.ts, src/languages/features/typescript/register.ts. It is one line, so the duplication detector's token window never sees it; the copies drift when only one is corrected. Give the condition a name and one home.

X2 · Cancellation propagation · Not all async functions that make a request accept an AbortSignal · ×1

Not all async functions that make a request accept an AbortSignal — Only 0/2 async functions that make a cancellable request (fetch, axios, ky, ofetch) accept an AbortSignal or pass one on, so a request keeps running after whatever wanted it has given up — a page navigated away from, an unmounted component, a timed-out job. Take a `signal` (or an options object that carries one) and hand it to the request; where nothing could ever cancel the call, omitting it is a deliberate choice — judge against how the function is used.

X5 · Nullable reference types · Strict null checking is not enabled everywhere the repository type-checks · ×1

Strict null checking is not enabled everywhere the repository type-checks — 8/10 of this repository's type-checking configuration(s) turn on strict null checking (`"strict": true`, or `"strictNullChecks": true`). A configuration that states neither is counted as OFF, because off is tsc's own default; a solution-style one whose `"files"` is empty and whose `"references"` point at other projects is in neither number, because it checks no source itself. Where it is off, `string` admits `null` and `undefined`: passing a value that is null compiles silently and throws on the first property access.

X5 · Nullable reference types · Null assertions (`!`) reduce the strict null checking score · ×1

Null assertions (`!`) reduce the strict null checking score — ~0.8 `!` null assertions per 1k TypeScript source lines — 40 assertion(s) across the 49586 source line(s) of the 299 TypeScript file(s) read, which is the only code the operator asserts anything in (a `!` in a `.js` file is not this operator and was not counted, and one in a file whose null checking is off silences nothing). Densest: src/languages/features/typescript/register.ts (5), REDACTED (3), src/languages/definitions/_.contribution.ts (2). Each one tells the compiler to trust the author about null, suppressing the very diagnostic `strictNullChecks` exists to produce.

Minor — 9 finding(s)

D12 · Dependency Hygiene · Outdated (npm) · ×9

Outdated (npm): @types/base64-js — @types/base64-js is pinned at 1.3.2; registry.npmjs.org publishes 1.5.0 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): @types/bootstrap — @types/bootstrap is pinned at 5.2.10; registry.npmjs.org publishes 5.2.11 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): @types/node — @types/node is pinned at 24.10.0; registry.npmjs.org publishes 26.6.5 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): bootstrap-icons — bootstrap-icons is pinned at 1.13.1; registry.npmjs.org publishes 1.13.2 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): loader-utils — loader-utils is pinned at 2.0.4; registry.npmjs.org publishes 3.3.1 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): mini-css-extract-plugin — mini-css-extract-plugin is pinned at 2.9.4; registry.npmjs.org publishes 2.10.2 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): mobx — mobx is pinned at 5.15.7; registry.npmjs.org publishes 7.1.1 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): monaco-editor — monaco-editor is pinned at 0.55.0-dev-20251107; registry.npmjs.org publishes 0.57.0 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.
Outdated (npm): typedoc — typedoc is pinned at 0.25.13; registry.npmjs.org publishes 0.28.20 as the latest release. Upgrading is a judgement call — read that package's changelog for what changed between the two — but a direct production dependency several releases behind is where security and compatibility debt accumulates silently.

Appendix B — Reproduction & audit trail

Every external tool invocation behind a deep-scan dimension — the tool, its captured version, the exact command, how many findings it yielded, and a link to the retained raw output. To reproduce any finding: check out the same commit and run the command shown (repo-relative — never an absolute scratch path). The complete raw scanner output is retained verbatim under artifacts/raw/ (indexed in artifacts/raw/index.json); per-invocation exit codes and wall-clock durations are in sidecar.json — kept out of this table so the rendered report stays byte-identical across runs of the same commit.

Dimension	Tool	Version	Command	Findings	Raw output
D28 · Secrets (history)	gitleaks	—	gitleaks detect --no-banner --config /opt/gitleaks-rules/watchdog-gitleaks.toml --report-format json --report-path /tmp/watchdog-gitleaks-99d1ab27d1fb44289e18b09d6063dc74/history.json --exit-code 0 --source .	0	artifacts/raw/gitleaks-history.json
D28 · Secrets (history)	gitleaks	—	gitleaks detect --no-git --no-banner --config /opt/gitleaks-rules/watchdog-gitleaks.toml --report-format json --report-path /tmp/watchdog-gitleaks-99d1ab27d1fb44289e18b09d6063dc74/tree.json --exit-code 0 --source .	0	artifacts/raw/gitleaks-tree.json
D29 · Static Analysis (SAST)	semgrep	—	semgrep --config /opt/semgrep-rules/security-audit.yml --config /opt/semgrep-rules/owasp-top-ten.yml --config /opt/semgrep-rules/watchdog-sast.yml --json --quiet --timeout 10 --timeout-threshold 3 --metrics off .	17	artifacts/raw/semgrep.json
D30 · Dependency Vulnerabilities	trivy	—	trivy fs --scanners vuln --format json --quiet --severity CRITICAL,HIGH,MEDIUM,LOW --skip-dirs /bin/ --skip-dirs /obj/ . --skip-db-update	25	artifacts/raw/trivy-fs.json
D31 · IaC & Container Security	trivy	—	trivy: not applicable — No Infrastructure-as-Code or container manifests found (Dockerfile, Docker Compose, Terraform, Kubernetes/Helm, CloudFormation, ARM, Bicep, Ansible); nothing to scan.	0	—
D32 · Data Compliance (PII/GDPR)	semgrep	—	semgrep: not applicable — No personal data was found crossing a boundary the PII/GDPR ruleset checks — nothing written to a log or console sink, placed in a URL or query string, or persisted to browser storage. That is a clean result for the LEAK surface only: this ruleset detects personal data escaping, it does not inventory the personal data a repository holds, so it is not evidence that this repository has no personal-data surface. The personal-data map (Appendix C) and the C1-C5 compliance cards are what speak to that. semgrep could not parse 9 file(s) — `monaco-lsp-client/src/adapters/LspCapabilitiesRegistry.ts`, `src/languages/definitions/handlebars/handlebars.ts`, `src/languages/definitions/html/html.ts`, `src/languages/definitions/markdown/markdown.ts`, `src/languages/definitions/php/php.ts`, … (+4 more) — so the PII/GDPR sweep did not cover the unparsed regions of them; rows reported elsewhere in those files are real.	0	—
D40 · Network Egress Confinement	runtime-hardening	—	runtime-hardening: not applicable — No Kubernetes/orchestration workloads found in the repository manifests; network egress policy is a cluster-native control that may live at the platform/firewall layer, so there is nothing to assess here.	0	—
D41 · Kernel & Syscall Confinement	runtime-hardening	—	runtime-hardening: not applicable — No Kubernetes/orchestration workloads found in the repository manifests; seccomp/AppArmor/SELinux confinement is a workload-level control, so there is nothing to assess here.	0	—
D42 · Runtime Threat Enforcement	runtime-hardening	—	runtime-hardening: not applicable — No Kubernetes/orchestration workloads found in the repository manifests; runtime threat-detection and admission-control policy are cluster-level controls, so there is nothing to assess here.	0	—
D43 · Malicious Dependencies	trivy	—	trivy fs --scanners vuln --format json --quiet --severity CRITICAL,HIGH,MEDIUM,LOW --skip-dirs /bin/ --skip-dirs /obj/ . --skip-db-update	0	artifacts/raw/trivy-fs.json

Run 01a16e45-4f19-78a2-a5d4-5a78ac0c0072 · every finding is also locatable in findings.md, and the complete scoring record (with exit codes + durations) in sidecar.json.

Findings by how serious they are

This survey was produced by

Executive summary

Top priorities

Diagnosis: what the measurements show together

Architecture: which parts of the code depend on which

At a glance — Code Health · 64% · Adequate ·

At a glance — Architecture · 90% · Adequate · gated by D26 ·

At a glance — Maturity · 58% · Adequate · gated by M2 ·

At a glance — Readiness · 45% · Adequate · gated by P2, P3, P7 ·

At a glance — Security · 65% · Adequate · gated by D28, D29, D30, D36 ·

At a glance — Accessibility · 43% · Weak · gated by AC2, AC3 ·

At a glance — Performance · 100% · Exemplary ·

Security & Compliance — OWASP Top-10 mapping

Roadmap

File quality

How the grades work

Methodology & how to trust this report

Tools & methods

Run transparency — what happened this run

Limitations & what we did not check

Per-dimension blind spots

The LLM boundary

Dimensions

Frontend & cross-cutting dimensions

WCAG coverage — what static analysis assessed

Reference — by lens

Appendix A — Findings (grouped)

Appendix B — Reproduction & audit trail

Downloadable artifacts