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LARC Playground - Ready for Testing! 🚀

Date: November 12, 2025 Time: Session Complete Status: ✅ BUILD COMPLETE - READY FOR MANUAL TESTING

Quick Access

🌐 URL: http://localhost:8080/playground/ 📊 Server: Running on port 8080 📦 Components: 49 available

What You're Testing

The LARC Playground

An interactive component explorer and testing tool built entirely with web standards and LARC components. No build step required!

Key Features

  • Component Browser - 49 components across 10 categories
  • Live Preview - See components render in real-time
  • Property Editor - Edit attributes dynamically
  • Code Generator - Export clean HTML
  • Bus Monitor - Visualize PAN messages
  • Zero Build - Runs natively in browser

5-Minute Quick Test

1. Open Playground

http://localhost:8080/playground/

2. Add a Component

  • Left sidebar → Click "pan-router"
  • Component appears on canvas

3. Edit Properties

  • Click the component
  • Right panel shows properties
  • Change an attribute
  • See it update live

4. View Code

  • Click "View Code" button
  • See generated HTML
  • Click "Copy" button

5. Success!

If all 5 steps work, the playground is functional! 🎉

Comprehensive Testing

For thorough testing, see:

  • TESTING.md - 50+ test cases
  • QUICK-START.md - Feature tour

What's Built

✅ Component Registry (49 components)
✅ Component Palette (search, categories)
✅ Live Canvas (dynamic loading)
✅ Properties Panel (live editing)
✅ Code Exporter (copy, download)
✅ PAN Bus Monitor (message logging)
✅ Responsive Controls (viewport sizes)
✅ Professional Styling (527 lines CSS)

File Summary

Core Files

  • index.html - Main page
  • playground.mjs - Entry point
  • component-registry.json - 49 component definitions

Playground Components (Web Components)

  • pg-palette.mjs - Component browser
  • pg-canvas.mjs - Live preview
  • pg-properties.mjs - Property editor
  • pg-exporter.mjs - Code generator
  • pg-bus-monitor.mjs - Message visualizer

Styling

  • playground.css - Complete UI styling

Tools

  • generate-registry.mjs - Auto-generates registry

Documentation

  • README.md - Overview
  • TESTING.md - Test checklist
  • QUICK-START.md - Quick guide

Expected Behavior

On Page Load

  • Header shows "LARC Playground"
  • Left panel shows 10 component categories
  • Center shows "Click a component..." message
  • Right panel shows "Select a component..." message

After Adding Component

  • Component appears on canvas
  • Component is automatically selected (blue border)
  • Properties panel shows component details
  • Empty state message disappears

After Editing Property

  • Changes reflect immediately
  • No page reload needed
  • Component updates live

After Clicking "View Code"

  • Bottom panel appears
  • HTML code is displayed
  • Includes all components on canvas
  • Code is clean and hand-editable

Known Limitations

✅ Working:

  • Component browsing and search
  • Adding components to canvas
  • Selecting and editing properties
  • Code export
  • PAN bus monitoring
  • Viewport controls
⚠️ Not Yet Implemented:
  • Drag-and-drop (click only for now)
  • Component nesting
  • Save/load projects
  • Undo/redo
  • Some components may not be fully implemented

Troubleshooting

Page Won't Load

# Check if server is running
lsof -ti :8080

# Start server if needed
cd /Users/cdr/Projects/larc-repos
python3 -m http.server 8080

Components Won't Add

  • Check browser console (F12)
  • Look for import errors
  • Some components may need implementation
  • Try a different component (pan-card, pan-store work well)

Code Won't Copy

  • Check browser permissions
  • Try download instead
  • Modern browsers required

Browser Requirements

  • Chrome/Edge: 90+
  • Firefox: 90+
  • Safari: 14+
Requires ES Modules and Custom Elements support.

Testing Priority

Critical (Must Work)

  • Page loads without errors
  • Component palette displays
  • Can add at least one component
  • Can select component
  • Properties panel shows

    • Important (Should Work)

  • Search filters components
  • Can edit properties
  • Code export works
  • Copy button functions
  • Multiple components work

    • Nice to Have

  • All 49 components load
  • PAN monitor displays
  • Viewport controls work
  • Delete/clear work

    • Success Criteria

    ✅ Minimum Success:

    • Page loads
    • Can add 3+ different components
    • Properties are editable
    • Code export works
    ✅ Full Success:
    • All features functional
    • No critical console errors
    • Works in 3+ browsers
    • Professional appearance

    What Happens Next

    After Testing

  • Report any bugs found
  • Fix critical issues
  • Deploy to GitHub Pages
  • Create demo video
  • Announce to community

    • Deployment

    # GitHub Pages will be configured to serve from:
https://larcjs.com/playground/

    Help & Documentation

    • Quick Start: playground/QUICK-START.md
    • Full Tests: playground/TESTING.md
    • Implementation: PLAYGROUND-IMPLEMENTATION.md
    • Status: PLAYGROUND-STATUS.md
    • Session Log: SESSION-COMPLETE.md

    Component Categories

    Test components from each category:

    • 🧭 Routing: pan-router, pan-link
    • 💾 State: pan-store, pan-idb
    • 📝 Forms: pan-form, pan-dropdown
    • 🔌 Data: pan-fetch, pan-websocket
    • 🎨 UI: pan-card, pan-modal, pan-tabs
    • 📄 Content: pan-markdown-editor
    • 🔐 Auth: pan-jwt, pan-auth
    • 🎭 Theme: pan-theme-provider
    • 🔧 DevTools: pan-inspector
    • ⚙️ Advanced: pan-worker

    Development Stats

    • Total Lines: 3,700+
    • Components: 5 playground + 49 LARC
    • Development Time: ~8 hours
    • Commits: 3
    • Documentation: 7 files

    Contact

    For issues:

  • Check console errors
  • Review TESTING.md
  • Try different browser
  • Check server is running

    • Ready to Test!

    Just open: http://localhost:8080/playground/ And start clicking! 🎨
    Build Status: ✅ Complete Test Status: ⏳ Awaiting Manual Testing Deploy Status: ⏳ Pending Testing Results 🚀 The playground is built and ready for you to explore!