Sebastian Krüger 901d9047e2 feat: implement Phase 2 - Core conversion engine and UI
Complete Phase 2 implementation with working unit converter:

Core Conversion Engine (lib/units.ts):
- Type-safe wrapper for convert-units library
- Support for all 23 measures with TypeScript types
- getAllMeasures() - Get all available categories
- getUnitsForMeasure() - Get units for specific measure
- getUnitInfo() - Get detailed unit information
- convertUnit() - Convert between two units
- convertToAll() - Convert to all compatible units
- getCategoryColor() - Get Tailwind color class for measure
- formatMeasureName() - Format measure names for display
- searchUnits() - Fuzzy search across all units

Utility Functions (lib/utils.ts):
- cn() - Merge Tailwind classes with clsx and tailwind-merge
- formatNumber() - Smart number formatting with scientific notation
- debounce() - Debounce helper for inputs
- parseNumberInput() - Parse user input to number
- getRelativeTime() - Format timestamps

UI Components:
- Input - Styled input with focus states
- Button - 6 variants (default, destructive, outline, secondary, ghost, link)
- Card - Card container with header, title, description, content, footer

Main Converter Component (components/converter/MainConverter.tsx):
- Real-time conversion as user types
- Category selection with 23 color-coded buttons
- Input field with unit selector
- Grid display of all conversions in selected measure
- Color-coded result cards with category colors
- Responsive layout (1/2/3 column grid)

Homepage Updates:
- Integrated MainConverter component
- Clean header with gradient text
- Uses design system colors

Dependencies Added:
- clsx - Class name utilities
- tailwind-merge - Merge Tailwind classes intelligently

Features Working:
✓ Select from 23 measurement categories
✓ Real-time conversion to all compatible units
✓ Color-coded categories
✓ Formatted number display
✓ Responsive design

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

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-08 09:34:57 +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

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