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Vue Academy · Lesson

Offline Support and Background Sync

Caching API responses, IndexedDB for offline data, background sync for deferred actions.

Offline-First Thinking

True offline support means the app keeps working without a network: reads come from a local store and writes are queued, then synced when connectivity returns.

IndexedDB for Local Storage

IndexedDB is the browser's large, structured, async storage. Its raw API is verbose, so most apps use the small idb wrapper library.

npm install idb

All lessons in this course

  1. vite-plugin-pwa Setup
  2. Service Worker Strategies
  3. Offline Support and Background Sync
  4. Push Notifications in Vue PWA
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