What ArcSight found
src/server/plugins/configs: fan-in 3, blast radius 24, LOW. 118 modules and 171 dependency edges traced.
← HomepageAll repository proofValidation recordState of TS Architecture 2026
Repository proof
Real arc impact on Docusaurus (packages/docusaurus) — blast radius, break paths, and evidence. Same question as the homepage: what breaks if I change this?
Project: Docusaurus (packages/docusaurus) · Score: 95.6/100 (Excellent architecture) · 118 modules · 171 edges
arc impact src/server/plugins/configsRun the same analysis on your repository in under 3 minutes.
Four questions every public repository page must answer — see validation record.
One row per module. Fan-in is direct dependents. Blast radius is downstream modules reachable from that file.
| Module | Fan-in | Blast | Risk |
|---|---|---|---|
| src/server/plugins/configs | 3 | 24 | LOW |
| src/server/plugins/init | 5 | 16 | LOW |
| src/server/translations/translations | 3 | 16 | CRITICAL |
| src/server/site | 9 | 14 | LOW |
| src/server/siteMessages | 1 | 14 | HIGH |
| src/commands/swizzle/common | 8 | 10 | HIGH |
| src/commands/swizzle/prompts | 4 | 8 | CRITICAL |
| src/commands/swizzle/actions | 3 | 8 | CRITICAL |
| src/commands/swizzle/components | 3 | 8 | CRITICAL |
| src/commands/swizzle/tables | 2 | 8 | CRITICAL |
| src/server/plugins/moduleShorthand | 2 | LOW | |
| src/server/plugins/presets | 1 | LOW |
src/server/plugins/configs: fan-in 3, blast radius 24, LOW. 118 modules and 171 dependency edges traced.
In Docusaurus (packages/docusaurus), Change-risk signal at src/server/plugins/configs (fan-in 3) — merge impact can travel beyond the diff you see. Blast radius on src/server/plugins/configs reaches 24 downstream modules. ArcSight answers “what breaks if I change this?” before you ship; high fan-in is a change-risk signal, not a verdict on design quality.
Where risk accumulates by control surface — drill down Surface → Substrate → Mechanism → Evidence.
See control surfaces →Diagrams are generated from ArcSight analysis data. Dependency graph and risk map show key modules; subsystem view shows high-level structure.
Score: 95.6/100 · Stability: 43/100 · Status: healthy · Confidence: 100%
Impact, then scan, fix, finish, and watch.
arc impact <file>See what a change breaksarc scanFind issuesarc fixApply fixesarc finishResolve remainingarc watchKeep clean| Metric | Value |
|---|---|
| Architecture score | 95.6/100 |
| Modules | 118 |
| Edges | 171 |
| Dependency cycles | 8 |
arc explain <path> before refactoring.Install locally, then run arc impact on the file you plan to change — before merge.
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<iframe src="https://arcsight.ai/embed/docusaurus/" width="320" height="180" frameborder="0"></iframe>Evidence-backed analysis snapshot. Validation record · Install · Homepage demo