Sebastian Krüger 5a7bb9a05c feat: implement Phase 3 - Advanced UX features and interactivity
Add comprehensive UX enhancements with innovative features:

🔍 Fuzzy Search Component (SearchUnits.tsx):
- Powered by Fuse.js for intelligent fuzzy matching
- Searches across unit abbreviations, names, and categories
- Real-time dropdown with results
- Keyboard shortcut: Press "/" to focus search
- Press Escape to close
- Click outside to dismiss
- Shows measure category with color dot
- Top 10 results displayed
- Smart weighting: abbr (2x), singular/plural (1.5x), measure (1x)

💾 Conversion History (ConversionHistory.tsx):
- LocalStorage persistence (max 50 entries)
- Auto-saves conversions as user types
- Collapsible history panel
- Click to restore previous conversion
- Clear all with confirmation
- Shows relative time (just now, 5m ago, etc.)
- Live updates across tabs with storage events
- Custom event dispatch for same-window updates

🌓 Dark Mode Support:
- ThemeProvider with light/dark/system modes
- Persistent theme preference in localStorage
- Smooth theme transitions
- ThemeToggle component with animated sun/moon icons
- Gradient text adapts to theme
- System preference detection

 Favorites & Copy Features:
- Star button to favorite units (localStorage)
- Copy to clipboard with visual feedback
- Hover to reveal action buttons
- Check icon confirmation for 2 seconds
- Yellow star fill for favorited units

⌨️ Keyboard Shortcuts:
- "/" - Focus search input
- "Escape" - Close search, blur inputs
- More shortcuts ready to add (Tab, Ctrl+K, etc.)

📦 LocalStorage Utilities (lib/storage.ts):
- saveToHistory() - Add conversion record
- getHistory() - Retrieve history
- clearHistory() - Clear all history
- getFavorites() / addToFavorites() / removeFromFavorites()
- toggleFavorite() - Toggle favorite status
- Type-safe ConversionRecord interface
- Automatic error handling

🎨 Enhanced MainConverter:
- Integrated search at top
- Conversion history at bottom
- Copy & favorite buttons on each result card
- Hover effects with opacity transitions
- Auto-save to history on conversion
- Click history item to restore conversion
- Visual feedback for all interactions

📱 Updated Layout & Page:
- ThemeProvider wraps entire app
- suppressHydrationWarning for SSR
- Top navigation bar with theme toggle
- Keyboard hint for search
- Dark mode gradient text variants

Dependencies Added:
- fuse.js 7.1.0 - Fuzzy search engine
- lucide-react 0.553.0 - Icon library (Search, Copy, Star, Check, etc.)

Features Now Working:
 Intelligent fuzzy search across 187 units
 Conversion history with persistence
 Dark mode with system detection
 Copy any result to clipboard
 Favorite units for quick access
 Keyboard shortcuts (/, Esc)
 Smooth animations and transitions
 Mobile-responsive design

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-08 10:14:03 +01:00

Unit Converter

A spectacular, innovative unit conversion application built with modern web technologies to provide the best user experience for converting between various measurement units.

Tech Stack

  • Next.js 16 - React framework with App Router and static export
  • TypeScript - Type-safe development
  • Tailwind CSS 4 - Modern utility-first CSS framework
  • convert-units - Comprehensive unit conversion library

Features

Supported Units

23 measurement categories with 187 individual units:

  • Angle, Apparent Power, Area, Current, Digital
  • Each, Energy, Frequency, Illuminance, Length
  • Mass, Pace, Parts Per, Power, Pressure
  • Reactive Energy, Reactive Power, Speed, Temperature
  • Time, Voltage, Volume, Volume Flow Rate

Innovative UX Features

  • Real-time bidirectional conversion
  • Smart context-aware interface with fuzzy search
  • Visual comparison with color-coded categories
  • Keyboard shortcuts for power users
  • Mobile-first responsive design
  • Conversion history with localStorage
  • Dark mode support

Getting Started

Prerequisites

  • Node.js 18+ or 20+
  • pnpm (recommended) or npm

Installation

# Install dependencies
pnpm install

# Run development server
pnpm dev

# Build for production
pnpm build

# Start production server
pnpm start

Open http://localhost:3000 to see the app.

Project Structure

units-ui/
├── app/                  # Next.js App Router
│   ├── layout.tsx       # Root layout
│   ├── page.tsx         # Home page
│   └── globals.css      # Global styles
├── components/          # React components (coming soon)
├── lib/                 # Utility functions (coming soon)
├── public/              # Static assets
└── IMPLEMENTATION_PLAN.md  # Detailed implementation plan

Development

See IMPLEMENTATION_PLAN.md for the complete development roadmap.

License

MIT


Built with Next.js 16, Tailwind CSS 4, and convert-units

Description
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