95 lines
2.7 KiB
JavaScript
95 lines
2.7 KiB
JavaScript
// Service Worker for WarehouseTrack Pro PWA
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const CACHE_NAME = 'warehousetrack-v1';
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const urlsToCache = [
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'/',
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'/manifest.json',
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'/src/index.css',
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'/src/main.tsx',
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'https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&display=swap'
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];
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// Install event
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME)
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.then((cache) => cache.addAll(urlsToCache))
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.then(() => self.skipWaiting())
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);
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});
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// Activate event
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self.addEventListener('activate', (event) => {
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event.waitUntil(
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caches.keys().then((cacheNames) => {
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return Promise.all(
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cacheNames.map((cacheName) => {
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if (cacheName !== CACHE_NAME) {
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return caches.delete(cacheName);
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}
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})
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);
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}).then(() => self.clients.claim())
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);
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});
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// Fetch event - Network First Strategy for API calls, Cache First for static assets
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self.addEventListener('fetch', (event) => {
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const { request } = event;
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// Handle API requests with network-first strategy
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if (request.url.includes('/api/')) {
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event.respondWith(
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fetch(request)
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.then((response) => {
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// Don't cache POST/PUT/DELETE requests
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if (request.method === 'GET' && response.status === 200) {
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const responseClone = response.clone();
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caches.open(CACHE_NAME)
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.then((cache) => cache.put(request, responseClone));
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}
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return response;
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})
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.catch(() => {
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// Fall back to cache if network fails
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return caches.match(request);
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})
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);
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return;
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}
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// Handle static assets with cache-first strategy
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event.respondWith(
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caches.match(request)
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.then((response) => {
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// Return cached version or fetch from network
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return response || fetch(request)
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.then((response) => {
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// Don't cache non-successful responses
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if (!response || response.status !== 200 || response.type !== 'basic') {
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return response;
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}
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const responseToCache = response.clone();
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caches.open(CACHE_NAME)
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.then((cache) => cache.put(request, responseToCache));
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return response;
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});
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})
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);
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});
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// Handle background sync for offline actions
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self.addEventListener('sync', (event) => {
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if (event.tag === 'stock-update') {
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event.waitUntil(
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// Handle offline stock updates when back online
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handleOfflineStockUpdates()
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);
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}
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});
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// Placeholder function for handling offline updates
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function handleOfflineStockUpdates() {
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return Promise.resolve();
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} |