16 lines
1.4 KiB
JavaScript
16 lines
1.4 KiB
JavaScript
const CACHE = 'gree-controller-__GREE_ASSET_CACHE__';
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const SCOPE = new URL(self.registration.scope).pathname.replace(/\/$/, '');
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const path = value => `${SCOPE}${value.startsWith('/') ? value : `/${value}`}` || '/';
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const ASSETS = [path('__GREE_STYLES_ASSET__'), path('__GREE_APP_ASSET__'), path('__GREE_THEME_INIT_ASSET__'), path('/favicon.svg'), path('/manifest.webmanifest')];
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self.addEventListener('install', event => event.waitUntil(caches.open(CACHE).then(cache => cache.addAll(ASSETS)).then(() => self.skipWaiting())));
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self.addEventListener('activate', event => event.waitUntil(caches.keys().then(keys => Promise.all(keys.filter(key => key !== CACHE).map(key => caches.delete(key)))).then(() => self.clients.claim())));
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self.addEventListener('fetch', event => {
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const url = new URL(event.request.url);
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// API and language packs stay network-owned. Language JSON is deliberately not
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// cache-first so a newly deployed translation can never be masked by an old pack.
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if (event.request.method !== 'GET' || url.pathname.startsWith(path('/api/')) || url.pathname.startsWith(path('/lang/')) || event.request.mode === 'navigate') return;
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event.respondWith(caches.match(event.request).then(cached => cached || fetch(event.request).then(response => {
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const copy = response.clone(); caches.open(CACHE).then(cache => cache.put(event.request, copy)); return response;
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})));
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});
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