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pantry/app/components/OfflineBanner.vue
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feat: configure service worker and offline support (#34)
- Enhance Workbox configuration with comprehensive caching strategies
- Add separate caching for Supabase REST API, Storage, and Auth
- Configure Open Food Facts API caching (30-day cache)
- Add offline fallback page with retry functionality
- Create useOnlineStatus composable for network monitoring
- Add OfflineBanner component for user feedback
- Configure skipWaiting and clientsClaim for instant updates
- Cache Google Fonts and product images

Caching strategies:
- Network-first: Supabase REST API (fresh data priority)
- Network-only: Auth endpoints (never cache sensitive auth)
- Cache-first: Images, fonts, product data (performance)
- Offline fallback: /offline page for failed navigations

Closes #34
2026-02-25 00:07:44 +00:00

59 lines
1.8 KiB
Vue

<template>
<Transition
enter-active-class="transition ease-out duration-300"
enter-from-class="opacity-0 -translate-y-2"
enter-to-class="opacity-100 translate-y-0"
leave-active-class="transition ease-in duration-200"
leave-from-class="opacity-100 translate-y-0"
leave-to-class="opacity-0 -translate-y-2"
>
<div
v-if="!isOnline"
class="fixed top-0 left-0 right-0 z-50 bg-amber-500 text-white px-4 py-2 text-center shadow-lg"
>
<div class="flex items-center justify-center gap-2">
<UIcon name="i-heroicons-wifi-slash" class="w-5 h-5" />
<span class="font-medium">
You're currently offline. Changes will sync when connection is restored.
</span>
</div>
</div>
</Transition>
<Transition
enter-active-class="transition ease-out duration-300"
enter-from-class="opacity-0 -translate-y-2"
enter-to-class="opacity-100 translate-y-0"
leave-active-class="transition ease-in duration-200"
leave-from-class="opacity-100 translate-y-0"
leave-to-class="opacity-0 -translate-y-2"
>
<div
v-if="isOnline && wasOffline && showReconnected"
class="fixed top-0 left-0 right-0 z-50 bg-emerald-500 text-white px-4 py-2 text-center shadow-lg"
>
<div class="flex items-center justify-center gap-2">
<UIcon name="i-heroicons-wifi" class="w-5 h-5" />
<span class="font-medium">
Back online! Syncing your changes...
</span>
</div>
</div>
</Transition>
</template>
<script setup lang="ts">
const { isOnline, wasOffline } = useOnlineStatus()
const showReconnected = ref(false)
// Show "back online" message for 3 seconds
watch(isOnline, (online) => {
if (online && wasOffline.value) {
showReconnected.value = true
setTimeout(() => {
showReconnected.value = false
}, 3000)
}
})
</script>