progressive-web-app
Build progressive web apps using service workers, web manifest, offline support, and installability. Use when creating app-like web experiences.
SKILL.md
Full skill instructions
Progressive Web App
Table of Contents
Overview
Build progressive web applications with offline support, installability, service workers, and web app manifests to deliver app-like experiences in the browser.
When to Use
- App-like web experiences
- Offline functionality needed
- Mobile installation required
- Push notifications
- Fast loading experiences
Quick Start
Minimal working example:
// public/manifest.json
{
"name": "My Awesome App",
"short_name": "AwesomeApp",
"description": "A progressive web application",
"start_url": "/",
"scope": "/",
"display": "standalone",
"orientation": "portrait-primary",
"background_color": "#ffffff",
"theme_color": "#007bff",
"icons": [
{
"src": "/images/icon-192.png",
"sizes": "192x192",
"type": "image/png",
"purpose": "any"
},
{
"src": "/images/icon-512.png",
"sizes": "512x512",
"type": "image/png",
"purpose": "any"
},
{
// ... (see reference guides for full implementation)
Reference Guides
Detailed implementations in the references/ directory:
| Guide | Contents |
|---|---|
| Web App Manifest | Web App Manifest |
| Service Worker Implementation | Service Worker Implementation |
| Install Prompt and App Installation | Install Prompt and App Installation |
| Offline Support with IndexedDB | Offline Support with IndexedDB |
| Push Notifications | Push Notifications |
Best Practices
✅ DO
- Follow established patterns and conventions
- Write clean, maintainable code
- Add appropriate documentation
- Test thoroughly before deploying
❌ DON'T
- Skip testing or validation
- Ignore error handling
- Hard-code configuration values
