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Developer Cheat Sheets - Implementation TODO

Project: Developer Cheat Sheets Owner: Omer Akben Last Updated: October 11, 2025 Status: In Progress

Table of Contents

  1. Phase 1: Critical Foundation
  2. Phase 2: Essential Content
  3. Phase 3: Core Features
  4. Phase 4: User Experience
  5. Phase 5: Open Source Ready
  6. Phase 6: Advanced Features

Phase 1: Critical Foundation (Week 1-2)

1.1 Legal & Documentation

  • Add LICENSE file

    • Use MIT License (permissive, portfolio-friendly)
    • Include copyright with Omer Akben's name
    • Add license badge to README

  • Create professional README.md

    • Add project logo/banner
    • Clear value proposition
    • Feature list with descriptions
    • Tech stack with badges
    • Screenshots of all cheat sheets
    • Live demo link
    • Installation instructions
    • Usage examples
    • Contribution guidelines summary
    • Credits and acknowledgments
    • Link to omerakben.com portfolio

  • Add SECURITY.md

    • Security policy
    • How to report vulnerabilities
    • Supported versions
    • Contact information

1.2 TypeScript & Build Configuration

  • Fix TypeScript configuration

    • Add "forceConsistentCasingInFileNames": true to tsconfig.json
    • Ensure strict mode is enabled
    • Verify all type definitions

  • Optimize build configuration

    • Configure proper source maps for production
    • Add bundle analyzer
    • Optimize Next.js config for production

1.3 Error Handling

  • Implement Error Boundaries

    • Create ErrorBoundary component
    • Wrap CheatSheetLayout
    • Wrap CodeBlock components
    • Add error logging
    • Add user-friendly error messages

  • Add error states

    • Search error state
    • Copy operation error with user feedback
    • 404 page customization
    • 500 error page
    • Network error handling

1.4 Code Quality

  • Remove emojis from code examples

    • Remove from Python cheat sheet
    • Remove from Django cheat sheet
    • Remove from TypeScript cheat sheet
    • Remove from Next.js cheat sheet
    • Replace with clear text annotations
    • Use comment prefixes instead (SECURITY:, PERFORMANCE:, etc.)

  • Add code documentation

    • Document complex functions
    • Add JSDoc comments to components
    • Document props interfaces
    • Add usage examples in comments

Phase 2: Essential Content (Week 2-3)

2.1 OpenAI Cheat Sheet (HIGHEST PRIORITY)

  • Create OpenAI cheat sheet data structure

    • File: src/lib/cheatsheets/openai.ts
    • Follow existing CheatSheet interface
    • Remove all emojis

  • Section 1: Quick Start & Authentication

    • API key setup (all platforms)
    • SDK installation (Python, JavaScript, .NET, Java, Go)
    • Basic API call examples
    • Environment variable configuration
    • Error handling patterns

  • Section 2: Chat Completions

    • Basic chat completion
    • Streaming responses
    • Function calling
    • Multi-turn conversations
    • System messages
    • Temperature and parameters

  • Section 3: Structured Outputs

    • JSON mode
    • Response format specification
    • Validation patterns
    • Error handling
    • Type safety examples

  • Section 4: Vision & Images

    • Image analysis with GPT-4V
    • DALL-E image generation
    • Image editing
    • Variations
    • Best practices

  • Section 5: Audio & Speech

    • Text-to-speech (TTS)
    • Speech-to-text (Whisper)
    • Audio formats
    • Streaming audio
    • Voice options

  • Section 6: Embeddings

    • Creating embeddings
    • Semantic search
    • Similarity calculations
    • Vector database integration
    • Best practices

  • Section 7: Assistants API

    • Creating assistants
    • Managing threads
    • Tool integration
    • File handling
    • Streaming with assistants

  • Section 8: Function Calling & Tools

    • Function definition schema
    • Parallel function calling
    • Tool choice strategies
    • Error handling
    • Real-world examples

  • Section 9: Realtime API

    • WebSocket setup
    • Event handling
    • Audio streaming
    • Function calls in realtime
    • Best practices

  • Section 10: Best Practices

    • Rate limiting
    • Error handling patterns
    • Cost optimization
    • Security considerations
    • Performance tips
    • Production deployment

  • Create OpenAI page

    • File: src/app/openai/page.tsx
    • Import OpenAI cheat sheet
    • Add to navigation
    • Add proper metadata

2.2 FastAPI Cheat Sheet

  • Create FastAPI cheat sheet data structure

    • File: src/lib/cheatsheets/fastapi.ts
    • Follow existing CheatSheet interface
    • No emojis

  • Section 1: Quick Start & Setup

    • Installation
    • Basic app structure
    • Running the server
    • Auto-reload configuration
    • Environment setup

  • Section 2: Path Operations

    • GET, POST, PUT, DELETE examples
    • Path parameters
    • Query parameters
    • Request body
    • Response models

  • Section 3: Request Validation

    • Pydantic models
    • Field validation
    • Custom validators
    • Request body validation
    • Query parameter validation

  • Section 4: Response Models

    • Response model declaration
    • Status codes
    • Response model filtering
    • Multiple response models
    • Response headers

  • Section 5: Dependency Injection

    • Basic dependencies
    • Class dependencies
    • Sub-dependencies
    • Global dependencies
    • Dependency overrides

  • Section 6: Security & Authentication

    • OAuth2 with JWT
    • API key authentication
    • HTTP Basic Auth
    • Security dependencies
    • Password hashing

  • Section 7: Database Integration

    • SQLAlchemy setup
    • CRUD operations
    • Async database operations
    • Relationships
    • Migrations

  • Section 8: Background Tasks

    • Background task declaration
    • Sending emails
    • File processing
    • Cleanup tasks

  • Section 9: File Handling

    • File uploads
    • File downloads
    • Streaming files
    • Form data with files
    • Multiple file uploads

  • Section 10: Advanced Features

    • WebSockets
    • GraphQL integration
    • Middleware
    • CORS configuration
    • Testing with pytest
    • Deployment strategies

  • Create FastAPI page

    • File: src/app/fastapi/page.tsx
    • Import FastAPI cheat sheet
    • Add to navigation
    • Add proper metadata

2.3 Improve Existing Cheat Sheets

  • Add difficulty levels to all examples

    • Add difficulty: 'basic' | 'intermediate' | 'advanced' | 'expert' to CodeExample interface
    • Tag each example in Python cheat sheet
    • Tag each example in Django cheat sheet
    • Tag each example in TypeScript cheat sheet
    • Tag each example in Next.js cheat sheet

  • Add tags/categories

    • Add tags: string[] to CodeExample interface
    • Tag examples (e.g., "security", "performance", "api", "database")
    • Enable tag-based filtering

  • Add use case descriptions

    • Add useCase: string to CodeExample interface
    • Describe when to use each pattern
    • Add real-world scenarios

Phase 3: Core Features (Week 3-4)

3.1 Advanced Search & Filtering

  • Implement difficulty filter

    • Add filter buttons: Basic, Intermediate, Advanced, Expert
    • Update CheatSheet interface to include difficulty
    • Filter examples by difficulty
    • Persist filter in URL params
    • Add "All Levels" option

  • Implement tag/category filter

    • Add tag filter UI
    • Multi-select tag filtering
    • Show tag count per category
    • Clear filters button

  • URL-based search

    • Move search state to URL query params
    • Enable deep linking to search results
    • Preserve search on page refresh
    • Share search URLs

  • Search improvements

    • Add debouncing to search input
    • Highlight matching text
    • Show search result count
    • Add search suggestions
    • Search across all cheat sheets option

3.2 Keyboard Shortcuts

  • Implement global shortcuts

    • / - Focus search
    • Esc - Clear search
    • Ctrl/Cmd + K - Open command palette
    • Ctrl/Cmd + C - Copy focused snippet
    • Arrow keys for navigation
    • ? - Show keyboard shortcuts help

  • Create keyboard shortcuts modal

    • List all shortcuts
    • Categorize shortcuts
    • Show on first visit
    • Toggle with ? key

3.3 Loading States

  • Add loading skeletons

    • Skeleton for CheatSheetLayout
    • Skeleton for CodeBlock
    • Skeleton for Navigation
    • Skeleton for search results

  • Add loading indicators

    • Spinner for async operations
    • Progress bar for page loads
    • Loading state for copy operation

3.4 Performance Optimizations

  • Implement code splitting

    • Dynamic imports for cheat sheet data
    • Lazy load CodeBlock components
    • Split by route

  • Add memoization

    • React.memo for CodeBlock
    • useMemo for filtered search results
    • useCallback for event handlers

  • Optimize bundle size

    • Analyze bundle with webpack-bundle-analyzer
    • Consider lighter syntax highlighter
    • Remove unused dependencies
    • Optimize images

  • Implement virtual scrolling

    • For long cheat sheets
    • Only render visible code blocks
    • Improve scroll performance

Phase 4: User Experience (Week 4-5)

4.1 Theme Support

  • Implement dark/light mode
    • Add theme toggle button
    • Persist theme preference
    • Respect system preference
    • Update syntax highlighter theme
    • Add theme transition animations

4.2 Mobile Experience

  • Improve mobile navigation

    • Create drawer menu for sidebar
    • Add hamburger menu icon
    • Swipe gestures for navigation
    • Bottom navigation bar option

  • Mobile optimizations

    • Larger touch targets
    • Improved code block scrolling
    • Mobile-friendly search
    • Optimize for smaller screens

4.3 Accessibility

  • Add ARIA labels

    • Label all interactive elements
    • Add aria-live regions for dynamic content
    • Add aria-describedby for form fields
    • Proper ARIA landmarks

  • Keyboard navigation

    • Ensure all features keyboard accessible
    • Proper focus management
    • Visible focus indicators
    • Skip navigation link

  • Screen reader support

    • Test with NVDA/JAWS
    • Add descriptive labels
    • Announce dynamic changes
    • Proper heading hierarchy

  • Accessibility audit

    • Run Lighthouse accessibility audit
    • Use axe DevTools
    • Fix all critical issues
    • Aim for WCAG 2.1 AA compliance

4.4 Enhanced Features

  • Bookmark system

    • Add bookmark button to code blocks
    • Store bookmarks in localStorage
    • Bookmarks page/sidebar
    • Export/import bookmarks

  • Share functionality

    • Share button for individual snippets
    • Generate anchor links
    • Copy link to clipboard
    • Social media share options

  • Copy enhancements

    • Copy entire section option
    • Copy without comments option
    • Copy with formatting option
    • Success toast notification

  • Print support

    • Print-friendly CSS
    • Remove unnecessary elements
    • Page break optimization
    • Print preview option

Phase 5: Open Source Ready (Week 5-6)

5.1 Testing Infrastructure

  • Set up testing framework

    • Install Vitest
    • Install @testing-library/react
    • Install @testing-library/jest-dom
    • Configure test environment

  • Component tests

    • Test Navigation component
    • Test CodeBlock component
    • Test CheatSheetLayout component
    • Test search functionality
    • Test filter functionality
    • Test copy operation

  • Integration tests

    • Test page navigation
    • Test search across pages
    • Test URL parameter handling
    • Test error boundaries

  • E2E tests

    • Install Playwright
    • Test complete user flows
    • Test mobile experience
    • Test accessibility

  • Coverage reporting

    • Set up coverage collection
    • Add coverage thresholds
    • Display coverage in README
    • Add coverage badge

5.2 CI/CD Pipeline

  • GitHub Actions setup

    • Lint on PR
    • Run tests on PR
    • Build check on PR
    • Type check on PR
    • Coverage report on PR

  • Deployment automation

    • Auto-deploy to Vercel on main branch
    • Preview deployments for PRs
    • Environment variable management

5.3 Open Source Documentation

  • Create CONTRIBUTING.md

    • How to set up development environment
    • Code style guidelines
    • How to add new cheat sheets
    • Pull request process
    • Code review guidelines

  • Add CODE_OF_CONDUCT.md

    • Use Contributor Covenant
    • Define community standards
    • Enforcement guidelines

  • Create issue templates

    • Bug report template
    • Feature request template
    • Cheat sheet request template
    • Question template

  • Create PR template

    • Checklist for PRs
    • Required information
    • Testing requirements

  • Add CHANGELOG.md

    • Version history
    • Notable changes
    • Migration guides

5.4 SEO & Meta Tags

  • Add meta tags to all pages

    • Unique titles
    • Descriptive meta descriptions
    • Open Graph tags
    • Twitter Card tags
    • Canonical URLs

  • Create sitemap.xml

    • List all pages
    • Priority and frequency
    • Submit to search engines

  • Add robots.txt

    • Allow search engine crawling
    • Disallow sensitive paths

  • Structured data

    • JSON-LD schema
    • BreadcrumbList
    • WebSite schema
    • Article schema for cheat sheets

Phase 6: Advanced Features (Future)

6.1 Interactive Features

  • Code playground

    • Embedded code editor
    • Run code in browser
    • Show output
    • Support multiple languages

  • User accounts (optional)

    • GitHub OAuth
    • Save preferences
    • Sync bookmarks
    • Track progress

  • Comments system

    • GitHub Discussions integration
    • Comment on code examples
    • Rate examples
    • Report issues

6.2 Content Management

  • CMS integration (optional)

    • Move cheat sheets to CMS
    • Enable non-dev content updates
    • Version control for content
    • Preview content changes

  • Community contributions

    • "Suggest edit" button
    • Opens PR in GitHub
    • Review process
    • Contributor recognition

6.3 Analytics & Monitoring

  • Add analytics

    • Page views
    • Popular cheat sheets
    • Search queries
    • User behavior

  • Performance monitoring

    • Real User Monitoring (RUM)
    • Error tracking (Sentry)
    • Performance budgets
    • Core Web Vitals tracking

  • User feedback

    • Feedback widget
    • "Was this helpful?" buttons
    • Feature request voting
    • Bug report integration

6.4 Additional Cheat Sheets

  • React cheat sheet
  • Node.js/Express cheat sheet
  • Docker cheat sheet
  • Git cheat sheet
  • SQL/PostgreSQL cheat sheet
  • MongoDB cheat sheet
  • AWS/Cloud cheat sheet
  • Jest/Testing cheat sheet
  • GraphQL cheat sheet
  • Vue.js cheat sheet
  • Angular cheat sheet
  • Flutter/Dart cheat sheet

6.5 Advanced UX

  • PWA features

    • Service worker
    • Offline support
    • Install prompt
    • Push notifications (optional)

  • Internationalization

    • Multi-language support
    • Translation infrastructure
    • Language switcher

  • Download features

    • Export as PDF
    • Export as Markdown
    • Export as HTML
    • Bulk download

Implementation Guidelines

Code Standards

  1. TypeScript: Strict mode, no any types
  2. Components: Functional components with hooks
  3. Styling: Tailwind CSS utility classes
  4. Testing: Test all new features
  5. Accessibility: WCAG 2.1 AA compliance
  6. Performance: Lighthouse score 90+
  7. Documentation: Document complex logic

Git Workflow

  1. Branch naming: feature/feature-name, fix/bug-name
  2. Commits: Conventional commits format
  3. PRs: Include description, screenshots, tests
  4. Review: At least one approval required
  5. Merge: Squash and merge to main

Testing Requirements

  1. Unit tests: All utility functions
  2. Component tests: All React components
  3. Integration tests: User flows
  4. E2E tests: Critical paths
  5. Coverage: Maintain 80%+ coverage

Performance Budgets

  1. Bundle size: < 200KB gzipped
  2. FCP: < 1.8s
  3. LCP: < 2.5s
  4. TTI: < 3.8s
  5. CLS: < 0.1

Success Criteria

Phase 1

  • ✅ LICENSE added
  • ✅ Professional README
  • ✅ Error boundaries working
  • ✅ No emojis in code
  • ✅ TypeScript config fixed

Phase 2

  • ✅ OpenAI cheat sheet complete
  • ✅ FastAPI cheat sheet complete
  • ✅ Difficulty levels added
  • ✅ Navigation updated

Phase 3

  • ✅ Filtering works perfectly
  • ✅ Keyboard shortcuts functional
  • ✅ Loading states implemented
  • ✅ Performance improved

Phase 4

  • ✅ Dark/light mode working
  • ✅ Mobile experience excellent
  • ✅ Accessibility audit passed
  • ✅ Share features working

Phase 5

  • ✅ 80%+ test coverage
  • ✅ CI/CD pipeline running
  • ✅ All documentation complete
  • ✅ SEO optimized

Notes

  • Prioritize features that add value for developers
  • Keep design clean and professional
  • Focus on performance and accessibility
  • Document everything for open source
  • Get feedback early and often
  • Iterate based on usage data

Next Step: Begin Phase 1 implementation with LICENSE and README.md updates.