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Mapagam

17 SECTIONS · 383 TOPICS

High Level Design Roadmap

  1. Frontend Architecture Patterns (Micro-Frontends, Jamstack, SSR)

    1. 1. Micro-Frontend Architecture (Module Federation, Webpack 5)
    2. Example: Module Federation Configuration
    3. 2. Component-Based Architecture (React, Vue, Angular)
    4. React Pattern
    5. Vue Pattern
    6. Angular Pattern
    7. 3. Jamstack Architecture (Static Site Generation, SSG)
    8. Example: Next.js Static Site Generation
    9. Jamstack Architecture Benefits
    10. 4. Island Architecture (Astro, Qwik - Partial Hydration)
    11. Example: Astro Islands Architecture
    12. Astro Directives
    13. Qwik Resumability
    14. 5. Server Components (React Server Components, Next.js 13+)
    15. Example: Server Components with Streaming
    16. 6. Edge-First Architecture (Edge Runtime, Vercel, Cloudflare)
    17. Example: Next.js Edge Middleware
    18. Edge vs Serverless
    19. Edge Use Cases

  2. State Management Architecture (Redux, Zustand, Context API)

    1. 1. Redux Toolkit (RTK Query, createSlice, configureStore)
    2. Example: Redux Toolkit with RTK Query
    3. 2. Zustand (Lightweight State Management, React Hooks)
    4. Example: Zustand Store Implementation
    5. Zustand vs Redux
    6. 3. React Context API (useContext, Provider Pattern)
    7. Example: Optimized Context Pattern
    8. 4. MobX (Observable State Trees, Reactive Programming)
    9. Example: MobX Store with Computed Values
    10. 5. Data Fetching Libraries (SWR, Recoil, Apollo)
    11. SWR Example
    12. Recoil Example
    13. SWR vs Recoil Comparison
    14. 6. TanStack Query (React Query v4, Server State)
    15. Example: TanStack Query Complete Implementation
    16. Query States
    17. Cache Configuration

  3. Data Flow and Communication Patterns

    1. 1. Unidirectional Data Flow (Flux, Redux Architecture)
    2. Example: Flux Pattern with Redux
    3. Flux Principles
    4. 2. Event-Driven Architecture (Pub/Sub, EventEmitter)
    5. Event Emitter Pattern
    6. RxJS Observable Pattern
    7. Example: Custom Events for Web Components
    8. 3. Real-time Communication (WebSocket, Socket.io)
    9. Example: WebSocket and Socket.IO Implementation
    10. WebSocket vs Socket.IO
    11. Best Practices
    12. 4. Server-Sent Events (SSE, Event Stream)
    13. Example: Server-Sent Events Implementation
    14. SSE vs WebSocket
    15. SSE Use Cases
    16. 5. GraphQL Subscriptions (Real-time Updates, Apollo)
    17. Example: GraphQL Subscription Implementation
    18. Example: React Component with Subscription
    19. GraphQL Subscription Benefits
    20. 6. Props Drilling Solutions (Context, Prop Composition)
    21. Problem: Prop Drilling
    22. Solution 1: Composition
    23. Example: Context API Solution
    24. Decision Tree
    25. Anti-Patterns to Avoid

  4. Routing and Navigation Systems

    1. 1. React Router v6 (Nested Routes, useNavigate, Outlet)
    2. Example: React Router v6 Nested Routes
    3. 2. Next.js App Router (File-based Routing, Server Components)
    4. Example: Next.js App Router File Structure
    5. Special Files
    6. Navigation
    7. App Router Benefits
    8. 3. Vue Router (Composition API, useRouter, Navigation Guards)
    9. Example: Vue Router with Composition API
    10. Navigation Methods
    11. Route Object Properties
    12. 4. Route-based Code Splitting (Lazy Loading, React.lazy)
    13. Example: Route-based Code Splitting
    14. Bundle Strategies
    15. Performance Metrics
    16. 5. Dynamic Imports (import(), Webpack Magic Comments)
    17. Example: Dynamic Import Patterns
    18. Import Strategies
    19. Webpack Magic Comments
    20. 6. Navigation Guards (Auth Middleware, Route Protection)
    21. Vue Router Guards
    22. React Router Guards
    23. Example: Next.js Middleware
    24. Guard Best Practices

  5. Frontend Scalability Patterns

    1. 1. Code Splitting (Bundle Optimization, Dynamic Chunks)
    2. Example: Webpack Bundle Optimization
    3. Bundle Size Targets
    4. Analysis Tools
    5. 2. Tree Shaking (Dead Code Elimination, ES Modules)
    6. Example: Tree Shaking Configuration
    7. Tree Shaking Checklist
    8. Common Issues
    9. 3. CDN Distribution (CloudFront, Edge Caching, Asset Delivery)
    10. Example: CDN Configuration
    11. Cache Strategy
    12. CDN Features
    13. CDN Best Practices
    14. 4. Service Workers (PWA Caching, Offline-First Strategy)
    15. Example: Service Worker Caching Strategies
    16. Caching Decision Tree
    17. Service Worker Lifecycle
    18. 5. Build Tool Optimization (Webpack 5, Vite, esbuild)
    19. Webpack 5 Optimization
    20. Vite Configuration
    21. Build Speed Comparison
    22. Optimization Checklist
    23. When to Use Each Tool
    24. 6. Micro-Frontend Orchestration (Container App, Module Federation)
    25. Example: Micro-Frontend Architecture
    26. Communication Patterns
    27. Deployment Strategies
    28. Example: Error Handling & Fallbacks
    29. Micro-Frontend Best Practices

  6. Performance Optimization Strategies

    1. 1. Core Web Vitals (LCP, CLS, FID, INP - Google Metrics)
    2. Example: Core Web Vitals Optimization
    3. Scoring Thresholds
    4. Measurement Tools
    5. 2. React Performance (memo, useMemo, useCallback, PureComponent)
    6. Example: React Performance Optimizations
    7. When to Optimize
    8. When NOT to Optimize
    9. 3. Virtual Scrolling (Windowing, react-window, react-virtualized)
    10. Example: Virtual Scrolling Implementation
    11. Performance Impact
    12. Library Comparison
    13. 4. Image Optimization (WebP, AVIF, Next/Image, Lazy Loading)
    14. Example: Image Optimization Techniques
    15. Image Optimization Checklist
    16. Size Comparison (1MB JPEG)
    17. Image Loading Strategy
    18. 5. Font Loading Strategies (font-display, FOIT, FOUT, FOFT)
    19. Example: Font Loading Optimization
    20. font-display Values
    21. Best Practices
    22. 6. Critical CSS (Above-fold, Inline Styles, CSS Extraction)
    23. Example: Critical CSS Implementation
    24. Critical CSS Tools
    25. CSS Loading Patterns
    26. Critical CSS Strategy

  7. Frontend Security Patterns (XSS, CSRF, CSP)

    1. 1. OWASP Frontend Top 10 (XSS, CSRF Prevention)
    2. Example: XSS and CSRF Prevention
    3. XSS Types
    4. Security Headers
    5. 2. Content Security Policy (CSP Headers, Nonce, Hash)
    6. Example: CSP Implementation
    7. CSP Levels
    8. Common CSP Issues
    9. 3. JWT Token Storage (HttpOnly Cookies, localStorage Security)
    10. Example: Secure JWT Token Handling
    11. Cookie Attributes
    12. Token Storage Comparison
    13. 4. Input Validation (Sanitization, DOMPurify, XSS Prevention)
    14. Example: Input Validation and Sanitization
    15. Validation Checklist
    16. Common Validation Rules
    17. 5. HTTPS TLS (SSL Certificates, Certificate Pinning)
    18. Example: HTTPS and TLS Configuration
    19. TLS Best Practices
    20. Certificate Authorities
    21. 6. Subresource Integrity (SRI Hashes, CDN Verification)
    22. Example: SRI Implementation
    23. SRI Benefits
    24. When to Use SRI
    25. Frontend Security Summary

  8. API Integration Patterns (REST, GraphQL, tRPC)

    1. 1. RESTful APIs (Axios, Fetch API, HTTP Methods)
    2. Example: RESTful API Integration
    3. Fetch vs Axios
    4. HTTP Methods
    5. 2. GraphQL (Apollo Client, Relay, Queries, Mutations)
    6. Example: GraphQL Integration
    7. GraphQL vs REST
    8. Apollo Cache Policies
    9. 3. tRPC (Type-safe APIs, End-to-end TypeScript)
    10. Example: tRPC Implementation
    11. tRPC Benefits
    12. When to Use tRPC
    13. 4. Offline-First Strategy (IndexedDB, LocalStorage, Sync)
    14. Example: Offline-First with IndexedDB
    15. Storage Comparison
    16. IndexedDB Libraries
    17. 5. API Mocking (MSW, Mock Service Worker, Jest)
    18. Example: API Mocking with MSW
    19. MSW Benefits
    20. When to Mock APIs
    21. 6. Rate Limiting (Retry Logic, Exponential Backoff, Throttle)
    22. Example: Retry Logic and Rate Limiting
    23. Retry Best Practices
    24. Backoff Comparison
    25. API Integration Summary

  9. Internationalization (i18n) and Localization

    1. 1. i18n Libraries (react-intl, i18next, FormatJS)
    2. Example: Internationalization with react-intl and i18next
    3. Library Comparison
    4. Message File Formats
    5. 2. Dynamic Locale Loading (Lazy i18n, Code Splitting)
    6. Example: Dynamic Locale Loading
    7. Lazy Loading Benefits
    8. Loading Strategies
    9. 3. RTL/LTR Support (CSS Logical Properties, dir Attribute)
    10. Example: RTL Support with Logical Properties
    11. Logical Properties Map
    12. RTL Languages
    13. 4. Date and Time (date-fns, Intl.DateTimeFormat, Timezone)
    14. Example: Date/Time Localization
    15. Library Comparison
    16. Common Date Formats
    17. 5. Pluralization (ICU Message Format, Plural Rules)
    18. Example: ICU Message Format and Pluralization
    19. Plural Categories
    20. ICU Format Types
    21. 6. Locale Detection (navigator.language, Auto-detection)
    22. Example: Locale Detection Strategies
    23. Detection Priority
    24. Best Practices
    25. Internationalization Summary

  10. Theming and Styling Systems

    1. 1. CSS-in-JS (Styled-components, Emotion, styled-jsx)
    2. Example: CSS-in-JS Implementation
    3. CSS-in-JS Comparison
    4. Benefits of CSS-in-JS
    5. 2. CSS Variables (Custom Properties, --var-name, Dynamic Theming)
    6. Example: CSS Variables for Theming
    7. CSS Variables Best Practices
    8. When to Use CSS Variables
    9. 3. Tailwind CSS (Utility-first, JIT Mode, Configuration)
    10. Example: Tailwind CSS Implementation
    11. Tailwind Benefits
    12. Common Patterns
    13. 4. Design Tokens (Theme UI, Style Dictionary, JSON Tokens)
    14. Example: Design Tokens Implementation
    15. Token Categories
    16. Design System Benefits
    17. 5. Dark Mode Implementation (prefers-color-scheme, Toggle, Storage)
    18. Example: Dark Mode Implementation
    19. Dark Mode Checklist
    20. Color Considerations
    21. 6. Component Libraries (Storybook, Styleguidist, Documentation)
    22. Example: Storybook Setup
    23. Storybook Addons
    24. Benefits
    25. Modern Theming & Styling Summary

  11. Frontend Testing Strategies

    1. 1. Unit Testing (Jest, Vitest, describe, it, expect)
    2. Example: Jest & Vitest Unit Tests
    3. Jest vs Vitest
    4. Testing Best Practices
    5. 2. Component Testing (React Testing Library, Vue Test Utils)
    6. Example: Component Testing
    7. RTL Query Methods
    8. Testing Checklist
    9. 3. E2E Testing (Cypress, Playwright, Selenium)
    10. Example: E2E Testing
    11. Cypress vs Playwright
    12. E2E Testing Best Practices
    13. 4. Visual Regression Testing (Storybook, Chromatic, Percy)
    14. Example: Visual Regression Testing
    15. Visual Testing Benefits
    16. Visual Testing Checklist
    17. 5. API Mocking (MSW, Mock Service Worker, Integration Tests)
    18. Example: MSW API Mocking
    19. MSW Benefits
    20. API Mocking Use Cases
    21. 6. Code Coverage (Istanbul, c8, Coverage Reports)
    22. Example: Test Coverage Configuration
    23. Coverage Metrics
    24. Coverage Best Practices
    25. Frontend Testing Stack Summary

  12. Accessibility (a11y) Implementation

    1. 1. WCAG 2.1 Compliance (AA Level, Success Criteria)
    2. Example: WCAG 2.1 AA Implementation
    3. WCAG 2.1 AA Checklist
    4. Legal Requirements
    5. 2. Screen Reader Testing (NVDA, JAWS, VoiceOver)
    6. Example: Screen Reader Testing
    7. Screen Reader Testing Checklist
    8. Common Screen Reader Issues
    9. 3. Automated Testing (axe-core, Lighthouse, pa11y)
    10. Example: Automated Accessibility Testing
    11. Automated Testing Benefits
    12. Axe-core Rule Categories
    13. 4. Focus Management (Roving Tabindex, Focus Trap, Skip Links)
    14. Example: Focus Management Patterns
    15. Focus Management Patterns
    16. Focus Management Checklist
    17. 5. Color Contrast (WCAG AAA, Contrast Ratio, WebAIM)
    18. Example: Color Contrast Implementation
    19. Contrast Quick Reference
    20. Contrast Testing Tools
    21. 6. ARIA (Live Regions, Roles, aria-label, Dynamic Content)
    22. Example: ARIA Live Regions
    23. Live Region Best Practices
    24. Common Use Cases
    25. Accessibility Implementation Summary

  13. Error Handling and Resilience

    1. 1. React Error Boundaries (componentDidCatch, Fallback UI)
    2. Example: Error Boundaries Implementation
    3. Error Boundary Placement
    4. Error Boundary Checklist
    5. 2. Error Monitoring (Sentry, LogRocket, Error Tracking)
    6. Example: Error Monitoring Setup
    7. Sentry Benefits
    8. LogRocket Benefits
    9. 3. Try-Catch (Async/Await, Promise.catch, Error Handling)
    10. Example: Async Error Handling Patterns
    11. Error Handling Best Practices
    12. Common Error Types
    13. 4. User Feedback (Toast Notifications, Alert, Snackbar)
    14. Example: Toast Notifications Implementation
    15. Toast Best Practices
    16. When to Use Toasts
    17. 5. Retry Logic (Exponential Backoff, Retry Strategies)
    18. Example: Retry Logic Implementation
    19. Retry Strategy Comparison
    20. When to Retry
    21. 6. Circuit Breaker Pattern (Failure Detection, Fallback)
    22. Example: Circuit Breaker Implementation
    23. Circuit Breaker States
    24. Circuit Breaker Benefits
    25. Error Handling & Resilience Summary

  14. Deployment and Continuous Delivery

    1. 1. Jamstack Platforms (Vercel, Netlify, Automatic Deployments)
    2. Example: Vercel deployment configuration
    3. Example: Netlify configuration
    4. 2. CI/CD Pipelines (GitHub Actions, GitLab CI, Jenkins)
    5. Example: Complete CI/CD pipeline
    6. 3. Docker Containers (Dockerfile, Multi-stage Builds, nginx)
    7. Example: Production Dockerfile with multi-stage build
    8. Example: Nginx configuration for SPA
    9. 4. Static Hosting (CloudFront + S3, CDN, Edge Caching)
    10. Example: Deploy script for S3 + CloudFront
    11. Example: CloudFront Functions for security headers
    12. 5. Deployment Strategies (Blue-Green, Canary, Rolling Updates)
    13. Example: Kubernetes canary deployment with Flagger
    14. Example: Feature flag implementation
    15. 6. Environment Config (dotenv, Environment Variables, Secrets)
    16. Example: Environment validation with Zod
    17. Example: Runtime config injection for Docker
    18. Deployment & Delivery Summary

  15. Code Quality and Maintainability

    1. 1. Linting and Formatting (ESLint, Prettier, .eslintrc)
    2. Example: ESLint + Prettier configuration
    3. Example: Package.json scripts
    4. 2. Git Hooks (Husky, lint-staged, Pre-commit Checks)
    5. Example: Complete Husky + lint-staged setup
    6. 3. Code Analysis (SonarQube, Quality Gates, Code Smells)
    7. Example: SonarQube CI integration
    8. 4. TypeScript (Strict Mode, tsconfig, Type Safety)
    9. Example: Strict TypeScript configuration
    10. Example: Advanced type safety patterns
    11. 5. Documentation (JSDoc, TSDoc, Typedoc Generation)
    12. Example: Comprehensive JSDoc documentation
    13. Example: TypeDoc configuration
    14. 6. Dependency Management (Renovate, Dependabot, npm audit)
    15. Example: Renovate configuration
    16. Example: Dependabot configuration
    17. Code Quality & Maintainability Summary

  16. Progressive Web Apps (PWA)

    1. 1. Service Workers (Workbox, Caching Strategies, sw.js)
    2. Example: Workbox service worker with caching strategies
    3. Example: Register service worker in React
    4. 2. Web App Manifest (manifest.json, Installation, Icons)
    5. Example: Complete manifest.json
    6. Example: Install prompt handler
    7. 3. Push Notifications (Web Push API, Notification Permission)
    8. Example: Client-side push subscription
    9. Example: Service worker push handler and server
    10. 4. Background Sync (Offline Queue, Sync API)
    11. Example: Background sync with Workbox
    12. Example: Client-side offline queue manager
    13. 5. Cache API (Cache Storage, CacheStorage, Cache First)
    14. Example: Cache management in service worker
    15. Example: Storage quota monitoring
    16. 6. App Shell Architecture (Performance, Offline UX)
    17. Example: App shell HTML structure
    18. Example: React app shell with code splitting
    19. Progressive Web App Summary

  17. Browser Compatibility and Polyfills

    1. 1. Babel Transpilation (Polyfills, core-js, ES6+ Support)
    2. Example: Babel configuration with optimal polyfilling
    3. Example: Feature detection and polyfill loading
    4. 2. PostCSS (Autoprefixer, Vendor Prefixes, -webkit-, -moz-)
    5. Example: Complete PostCSS configuration
    6. 3. Feature Detection (Can I Use, Modernizr, @supports)
    7. Example: Feature detection patterns
    8. 4. Progressive Enhancement (Feature Support, Graceful Degradation)
    9. Example: Progressive enhancement patterns
    10. 5. Cross-browser Testing (BrowserStack, Sauce Labs, Selenium)
    11. Example: Playwright cross-browser tests
    12. 6. Differential Loading (ES Modules, Legacy Bundle, nomodule)
    13. Example: Differential loading setup
    14. Browser Compatibility Summary