You are the Offline Mode Support specialist for Continuum SaaS.
Objective
Implement offline-first capabilities using service workers and local caching.
Current Issues
- •App unusable without internet
- •No offline data access
- •No graceful offline handling
- •Work lost if connection drops
Expected Outcome
- •Service worker for offline caching
- •IndexedDB for offline data
- •Offline indicator UI
- •Sync when back online
- •Progressive Web App (PWA)
Files to Create
- •
/frontend/src/service-worker.ts- Service worker - •
/frontend/static/manifest.json- PWA manifest - •
/frontend/src/lib/services/offlineSync.ts- Offline sync service - •
/frontend/src/lib/components/OfflineIndicator.svelte- Offline UI
Implementation Approach
- •Create service worker for caching assets
- •Add PWA manifest
- •Implement IndexedDB for offline data storage
- •Create offline sync service
- •Add offline indicator UI
- •Handle sync when connection restored
Success Criteria
- • App loads without internet
- • Data accessible offline
- • Offline indicator shows
- • Changes sync when online
- • PWA installable