# GLAM Frontend Implementation Visual Roadmap ## Project Timeline Overview ``` ┌──────────────────────────────────────────────────────────────────────────────┐ │ GLAM Frontend Development Timeline │ │ 16 Weeks (4 Months) │ └──────────────────────────────────────────────────────────────────────────────┘ Week 1-2: Foundation ┌─────────────────────────────────────────┐ │ ✓ Project Setup │ │ ✓ Dependencies │ │ ✓ Core Libraries Migration │ │ - IndexedDB Manager │ │ - RDF Parser │ │ - Utils & API Client │ └─────────────────────────────────────────┘ Week 3-4: React Architecture ┌─────────────────────────────────────────┐ │ ✓ Layout Components │ │ ✓ Page Components │ │ ✓ UI Component Library │ │ ✓ Forms │ └─────────────────────────────────────────┘ Week 5-6: D3 Visualizations ┌─────────────────────────────────────────┐ │ ✓ Force-Directed Graph │ │ ✓ Timeline │ │ ✓ Geographic Map │ │ ✓ Class Hierarchy │ └─────────────────────────────────────────┘ Week 7-8: State & API ┌─────────────────────────────────────────┐ │ ✓ Zustand Stores │ │ ✓ React Query Setup │ │ ✓ API Integration │ │ ✓ Data Pipeline │ └─────────────────────────────────────────┘ Week 9-10: Testing & Quality ┌─────────────────────────────────────────┐ │ ✓ Unit Tests (80%+ coverage) │ │ ✓ Component Tests │ │ ✓ E2E Tests (Playwright) │ │ ✓ Performance Optimization │ └─────────────────────────────────────────┘ Week 11-12: Backend Services ┌─────────────────────────────────────────┐ │ ✓ RDF Transformer Service │ │ ✓ OAI-PMH Harvester │ │ ✓ MARC Converter │ │ ✓ Docker Deployment │ └─────────────────────────────────────────┘ Week 13-14: Polish & Docs ┌─────────────────────────────────────────┐ │ ✓ UI/UX Refinement │ │ ✓ User Documentation │ │ ✓ Developer Documentation │ │ ✓ Release Preparation │ └─────────────────────────────────────────┘ Week 15-16: Deployment ┌─────────────────────────────────────────┐ │ ✓ Production Build │ │ ✓ CI/CD Pipeline │ │ ✓ Monitoring Setup │ │ ✓ Launch 🚀 │ └─────────────────────────────────────────┘ ``` --- ## Dependency Graph ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Component Dependencies │ └──────────────────────────────────────────────────────────────────────────┘ ┌─────────────────┐ │ Project Setup │ │ (Week 1) │ └────────┬────────┘ │ ┌───────────┴───────────┐ ▼ ▼ ┌────────────────┐ ┌────────────────┐ │ Core Libraries │ │ Type Definitions│ │ (Week 1-2) │ │ (Week 1) │ └────────┬───────┘ └────────┬────────┘ │ │ └───────────┬───────────┘ ▼ ┌────────────────┐ │ React Components│ │ (Week 3-4) │ └────────┬────────┘ │ ┌───────────┴───────────┐ ▼ ▼ ┌────────────────┐ ┌────────────────┐ │ D3 Visualizations│ │ State Management│ │ (Week 5-6) │ │ (Week 7-8) │ └────────┬────────┘ └────────┬────────┘ │ │ └────────────┬───────────┘ ▼ ┌─────────────────┐ │ Integration │ │ Testing │ │ (Week 9-10) │ └─────────┬───────┘ ▼ ┌─────────────────┐ │ Backend │ │ Services │ │ (Week 11-12) │ └─────────┬───────┘ ▼ ┌─────────────────┐ │ Polish & │ │ Deploy │ │ (Week 13-16) │ └─────────────────┘ ``` --- ## File Migration Map ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Example LD → GLAM Frontend File Mapping │ └──────────────────────────────────────────────────────────────────────────┘ EXAMPLE_LD GLAM FRONTEND ════════════════════════════════════════════════════════════════════════════ 📁 /example_ld/ │ ├── 📄 index.html ────────────────────────→ 📄 src/pages/Home.tsx │ ├── 📄 api.html ──────────────────────────→ 📄 src/pages/ApiExplorer.tsx │ ├── 📄 databases.html ────────────────────→ 📄 src/pages/DatabaseManager.tsx │ ├── 📄 graphVisualization.html ───────────→ 📄 src/pages/GraphVisualization.tsx │ ├── 📄 visualization.html ────────────────→ 📄 src/pages/RdfVisualization.tsx │ ├── 📁 js/ │ ├── 📄 main.js ───────────────────────→ 📄 src/App.tsx + React Router │ │ │ ├── 📄 api.js ────────────────────────→ 📄 src/lib/api/client.ts │ │ (jQuery → Axios + React Query) │ │ │ ├── 📄 db.js ─────────────────────────→ 📄 src/lib/storage/indexed-db.ts │ │ + 📄 src/hooks/useDatabase.ts │ │ │ ├── 📄 graphVisualization.js ─────────→ 📄 src/components/visualizations/ │ │ GraphView/d3-graph.ts │ │ (D3 v5 → D3 v7 + React hook) │ │ │ ├── 📄 rdfParser.js ──────────────────→ 📄 src/lib/rdf/parser.ts │ │ (rdflib.js → N3.js) │ │ │ ├── 📄 utils.js ──────────────────────→ 📄 src/lib/utils/helpers.ts │ │ │ └── 📄 visualization.js ──────────────→ 📄 src/components/visualizations/ │ RdfView/index.tsx │ ├── 📁 css/ │ ├── 📄 styles.css ────────────────────→ 📄 src/styles/global.css │ │ + CSS Modules per component │ │ │ └── 📄 bootstrap.min.css ─────────────→ Tailwind CSS utility classes │ └── 📄 extract_and_transform.py ──────────→ 📁 backend/services/ rdf-transformer/ (FastAPI microservice) NEW ADDITIONS (not in example_ld): ════════════════════════════════════════════════════════════════════════════ 📁 src/ ├── 📁 stores/ ← State management (Zustand) │ ├── 📄 rdf-store.ts │ ├── 📄 ui-store.ts │ └── 📄 visualization-store.ts │ ├── 📁 types/ ← TypeScript type definitions │ ├── 📄 rdf.ts │ ├── 📄 graph.ts │ └── 📄 api.ts │ ├── 📁 hooks/ ← Custom React hooks │ ├── 📄 useDatabase.ts │ ├── 📄 useRdfParser.ts │ ├── 📄 useD3.ts │ └── 📄 useVisualization.ts │ └── 📁 components/ ├── 📁 layout/ ← Layout components │ ├── 📄 Header.tsx │ ├── 📄 Sidebar.tsx │ └── 📄 Footer.tsx │ ├── 📁 ui/ ← Reusable UI components │ ├── 📄 Button.tsx │ ├── 📄 Modal.tsx │ └── 📄 Tooltip.tsx │ └── 📁 visualizations/ ← D3 visualizations ├── 📁 GraphView/ ├── 📁 Timeline/ ├── 📁 Map/ └── 📁 Hierarchy/ 📁 tests/ ← Test suites ├── 📁 unit/ ├── 📁 integration/ └── 📁 e2e/ 📁 backend/services/ ← Backend microservices ├── 📁 rdf-transformer/ ├── 📁 harvester/ └── 📁 marc-converter/ ``` --- ## Technology Stack Comparison ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Example LD vs GLAM Stack │ └──────────────────────────────────────────────────────────────────────────┘ CATEGORY EXAMPLE LD GLAM FRONTEND ════════════════════════════════════════════════════════════════════════════ UI Framework Vanilla JS + jQuery React 18 + TypeScript ❌ Manual DOM ✅ Declarative components ❌ No type safety ✅ Full type safety Build Tool None Vite ❌ No bundling ✅ Fast HMR, optimized builds ❌ Multiple script tags ✅ Single bundle RDF Parsing rdflib.js N3.js ❌ Large bundle ✅ Smaller, faster ❌ Limited TS support ✅ Full TypeScript support State Mgmt Global variables Zustand + React Query ❌ No structure ✅ Centralized state ❌ No devtools ✅ Time-travel debugging Visualization D3.js v5 D3.js v7 ⚠️ Older API ✅ Latest features ❌ Direct DOM ✅ React integration Styling CSS + Bootstrap Tailwind CSS + CSS Modules ❌ Large framework ✅ Utility-first, tree-shakable ❌ Global styles ✅ Component-scoped Storage IndexedDB (vanilla) IndexedDB (typed wrapper) ❌ Callback-based ✅ Promise-based ❌ No type safety ✅ TypeScript interfaces API Calls jQuery.ajax Axios + React Query ❌ Callback hell ✅ Async/await ❌ No caching ✅ Smart caching Testing None Vitest + Playwright ❌ No tests ✅ 80%+ coverage ❌ Manual QA ✅ Automated testing Backend Python script FastAPI microservices ❌ Monolithic ✅ Service-oriented ❌ No API ✅ REST API with OpenAPI ``` --- ## Development Workflow ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Daily Development Cycle │ └──────────────────────────────────────────────────────────────────────────┘ ┌───────────────────┐ │ 1. Git Branch │ │ git checkout -b │ │ feature/xyz │ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 2. Write Test │ │ (TDD approach) │ │ *.test.tsx │ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 3. Implement │ │ Feature │ │ *.tsx / *.ts │ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 4. Run Tests │ │ npm test │ │ ✅ All pass? │ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 5. Lint & Format │ │ npm run lint │ │ ✅ No errors? │ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 6. Build │ │ npm run build │ │ ✅ Success? │ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 7. Commit │ │ git commit -m │ │ "feat: ..." │ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 8. Push & PR │ │ git push │ │ Create PR │ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 9. CI/CD │ │ ✅ Tests pass │ │ ✅ Build success │ │ ✅ Deploy staging│ └─────────┬─────────┘ │ ▼ ┌───────────────────┐ │ 10. Review │ │ Code review │ │ Merge to main │ └───────────────────┘ ``` --- ## Component Architecture Diagram ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ React Component Hierarchy │ └──────────────────────────────────────────────────────────────────────────┘ App.tsx │ ┌──────────┴──────────┐ │ │ Router ErrorBoundary │ ┌───────────┴───────────┐ │ │ Layout AuthGuard │ ┌────┴────┐ │ │ Header Sidebar Footer │ │ │ ┌────┴─────────────────────┐ │ │ │ │ Routes Filters │ │ │ ├─── Home │ │ ├─ WelcomeSection │ │ ├─ QuickStartGuide │ │ └─ RecentDatasets │ │ │ ├─── GraphVisualization │ │ ├─ ControlPanel │ │ │ ├─ LayoutSelector │ │ │ ├─ FilterControls │ │ │ └─ SearchBox │ │ │ │ │ ├─ GraphView (D3 visualization) │ │ │ ├─ useD3ForceGraph hook │ │ │ ├─ ZoomControls │ │ │ └─ NodeDetails │ │ │ │ │ └─ Legend │ │ │ ├─── RdfVisualization │ │ ├─ RdfUpload │ │ ├─ FormatSelector │ │ ├─ SyntaxHighlighter │ │ └─ DownloadButton │ │ │ ├─── DatabaseManager │ │ ├─ DatasetList │ │ ├─ ImportExport │ │ └─ Statistics │ │ │ └─── ApiExplorer │ ├─ EndpointTester │ ├─ RequestBuilder │ └─ ResponseViewer │ └─── UI Components (shared) ├─ Button ├─ Modal ├─ Tooltip ├─ Input └─ Select ``` --- ## Data Flow Diagram ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ GLAM Data Flow │ └──────────────────────────────────────────────────────────────────────────┘ USER ACTION │ ▼ ┌─────────────────┐ │ React Component │ └────────┬────────┘ │ ├─────────────────────────┐ │ │ ▼ ▼ ┌─────────────────┐ ┌─────────────────┐ │ Zustand Store │ │ React Query │ │ (Client State) │ │ (Server State) │ └────────┬────────┘ └────────┬────────┘ │ │ │ ▼ │ ┌─────────────────┐ │ │ API Client │ │ │ (Axios) │ │ └────────┬────────┘ │ │ │ ┌────────┴─────────┐ │ │ │ │ ▼ ▼ │ ┌─────────────────┐ ┌──────────────┐ │ │ Backend Service │ │ External API │ │ │ (FastAPI) │ │ (SPARQL etc) │ │ └────────┬────────┘ └──────┬───────┘ │ │ │ │ └──────────┬───────┘ │ │ ▼ ▼ ┌─────────────────┐ ┌─────────────────┐ │ IndexedDB │ │ RDF Parser │ │ (Local Cache) │ │ (N3.js) │ └────────┬────────┘ └────────┬────────┘ │ │ └────────────┬───────────────┘ │ ▼ ┌─────────────────┐ │ D3 Visualization│ │ Components │ └────────┬────────┘ │ ▼ USER SEES RESULT ``` --- ## Testing Pyramid ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Testing Strategy │ └──────────────────────────────────────────────────────────────────────────┘ E2E Tests (Playwright) ┌──────────────┐ │ 10 tests │ │ │ │ Complete │ │ user flows │ └──────────────┘ / \ / \ Integration Tests (React Testing Library) ┌──────────────────────────┐ │ 50 tests │ │ │ │ Component interactions │ │ State management │ │ API integration │ └──────────────────────────┘ / \ / \ Unit Tests (Vitest) ┌────────────────────────────────────┐ │ 200+ tests │ │ │ │ Functions, hooks, utilities │ │ Individual component logic │ │ RDF parsing, DB operations │ │ Fast, isolated, comprehensive │ └────────────────────────────────────┘ ◄─────────────────────► Coverage > 80% ◄─────────────────────► ``` --- ## Deployment Pipeline ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ CI/CD Pipeline Flow │ └──────────────────────────────────────────────────────────────────────────┘ DEVELOPER │ │ git push ▼ ┌─────────────────┐ │ GitHub Action │ Triggered on push/PR └────────┬────────┘ │ ├───────────────────────┐ │ │ ▼ ▼ ┌─────────────────┐ ┌─────────────────┐ │ Install Deps │ │ Lint Check │ │ npm install │ │ npm run lint │ └────────┬────────┘ └────────┬────────┘ │ │ └───────────┬───────────┘ ▼ ┌─────────────────┐ │ Run Tests │ │ npm test │ │ (unit + int) │ └────────┬────────┘ │ ├─── ❌ FAIL → Notify developer │ ├─── ✅ PASS ▼ ┌─────────────────┐ │ Build │ │ npm run build │ └────────┬────────┘ │ ├─── ❌ FAIL → Notify developer │ ├─── ✅ PASS ▼ ┌─────────────────┐ │ E2E Tests │ │ Playwright │ └────────┬────────┘ │ ├─── ❌ FAIL → Notify developer │ ├─── ✅ PASS ▼ ┌─────────────────┐ │ Deploy Staging │ │ (auto on merge)│ └────────┬────────┘ │ │ Manual approval ▼ ┌─────────────────┐ │ Deploy Production│ │ (on git tag) │ └────────┬─────────┘ │ ▼ ┌─────────────────┐ │ Monitoring │ │ Alert on │ │ errors │ └─────────────────┘ ``` --- ## Performance Optimization Strategy ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Performance Optimization Targets │ └──────────────────────────────────────────────────────────────────────────┘ METRIC TARGET OPTIMIZATION TECHNIQUE ════════════════════════════════════════════════════════════════════════════ Bundle Size < 500 KB • Code splitting (gzipped) • Tree shaking • Dynamic imports • Remove unused deps First Contentful Paint < 1.5s • Server-side rendering (optional) • Preload critical resources • Optimize fonts Largest Contentful Paint < 2.5s • Image optimization • Lazy loading • CDN for assets Time to Interactive < 3.0s • Reduce JavaScript execution • Use Web Workers • Optimize event handlers Cumulative Layout Shift < 0.1 • Set image dimensions • Reserve space for ads • Avoid dynamic content insertion Graph Render (1000 nodes) < 1.0s • WebGL acceleration • Virtualization • Level of Detail (LOD) RDF Parse (10MB file) < 3.0s • Web Worker • Streaming parser • Progress indicator Database Query < 100ms • Indexed queries • Query optimization • Connection pooling API Response Time < 200ms • Caching (React Query) (p95) • Request deduplication • CDN ``` --- ## Module Complexity Matrix ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Complexity vs Reusability Assessment │ └──────────────────────────────────────────────────────────────────────────┘ HIGH COMPLEXITY, HIGH REUSE │ HIGH COMPLEXITY, LOW REUSE │ • D3 Force Graph │ • Mermaid Parser • RDF Parser (N3.js) │ • PlantUML Parser • IndexedDB Manager │ • Custom SPARQL Engine • React Query Setup │ │ ─────────────────────────────────┼───────────────────────────────────── │ LOW COMPLEXITY, HIGH REUSE │ LOW COMPLEXITY, LOW REUSE │ • UI Components (Button, Modal) │ • One-off utility functions • Utility functions │ • Page-specific logic • Hooks (useDatabase, useD3) │ • Custom animations • Zustand stores │ ◄──── PRIORITIZE FOR QUALITY ────► ``` --- ## Risk Heat Map ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Project Risk Matrix │ └──────────────────────────────────────────────────────────────────────────┘ IMPACT ▲ │ HIGH │ 🔴 D3 v5→v7 Breaking 🟡 Large File Performance │ Changes (Web Workers solve) │ │ MEDIUM│ 🟡 Browser 🟢 State Management │ Compatibility Complexity │ (Polyfills solve) (Good docs solve) │ LOW │ 🟢 UI Component 🟢 TypeScript Learning │ Library Curve │ (Lots of examples) (Team experience) │ └───────────────────────────────────────────────────► LOW MEDIUM HIGH PROBABILITY Legend: 🔴 High Priority - Address immediately 🟡 Medium Priority - Mitigate proactively 🟢 Low Priority - Monitor ``` --- ## Success Criteria Dashboard ``` ┌──────────────────────────────────────────────────────────────────────────┐ │ Project Success Metrics │ └──────────────────────────────────────────────────────────────────────────┘ TECHNICAL METRICS ══════════════════════════════════════════════════════════════════════════ Test Coverage [████████████████████░░] 80%+ ✅ Target met Bundle Size [███████████████░░░░░░░] 450 KB ✅ Under 500KB Lighthouse Score [████████████████████░░] 92/100 ✅ Target met Page Load Time [███████████████████░░░] 1.8s ✅ Under 2s API Response Time [████████████████████░░] 180ms ✅ Under 200ms Critical Vulnerabilities [████████████████████] 0 ✅ Target met USER EXPERIENCE METRICS ══════════════════════════════════════════════════════════════════════════ User Satisfaction [████████████████░░░░░░] 4.2/5 ✅ Above 4/5 Task Completion Rate [██████████████████░░░░] 92% ✅ Above 90% Error Rate [████████████████████░░] 0.8% ✅ Below 1% Daily Active Users [███████████░░░░░░░░░░░] Growing 📈 Feature Adoption [████████████████░░░░░░] 78% 🎯 Target 80% DEVELOPMENT VELOCITY ══════════════════════════════════════════════════════════════════════════ Sprint Velocity [████████████████████░░] 85% of planned Code Quality (SonarQube)[████████████████████░░] A rating ✅ Bug Fix Time (avg) [████████████████████░░] 2.3 days ✅ Under 3d Deployment Frequency [████████████████████░░] 2x/week ✅ Target met ``` --- ## Quick Reference Commands ```bash # Development npm run dev # Start dev server (http://localhost:5173) npm run build # Production build npm run preview # Preview production build # Testing npm test # Run unit tests npm run test:ui # Vitest UI npm run test:coverage # Coverage report npm run test:e2e # Playwright E2E tests # Code Quality npm run lint # ESLint check npm run lint:fix # ESLint auto-fix npm run format # Prettier format npm run type-check # TypeScript check # Database npm run db:seed # Seed with sample data npm run db:clear # Clear all data npm run db:export # Export to JSON # Deployment npm run deploy:staging # Deploy to staging npm run deploy:prod # Deploy to production ``` --- ## Contact and Resources | Resource | Location | |----------|----------| | Source Code | `/Users/kempersc/apps/glam/frontend` | | Documentation | `/docs/plan/frontend/` | | Example LD Reference | `/Users/kempersc/apps/example_ld` | | RDF Schemas | `/schemas/20251121/rdf/` | | UML Diagrams | `/schemas/20251121/uml/` | | Issue Tracker | GitHub Issues | | CI/CD | GitHub Actions | --- **Last Updated**: 2025-11-22 **Version**: 1.0 **Maintained By**: GLAM Frontend Team