61 lines
1.7 KiB
TypeScript
61 lines
1.7 KiB
TypeScript
import { DEBUG } from './config';
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import { respondForProgressive } from './serviceWorker/progressive';
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import { respondWithCache, clearAssetCache } from './serviceWorker/assetCache';
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import { handlePush, handleNotificationClick, handleClientMessage } from './serviceWorker/pushNotification';
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import { pause } from './util/schedulers';
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declare const self: ServiceWorkerGlobalScope;
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const ASSET_CACHE_PATTERN = /[\da-f]{20}.*\.(js|css|woff2?|svg|png|jpg|jpeg|tgs|json|wasm)$/;
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const ACTIVATE_TIMEOUT = 3000;
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self.addEventListener('install', (e) => {
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if (DEBUG) {
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// eslint-disable-next-line no-console
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console.log('ServiceWorker installed');
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}
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// Activate worker immediately
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e.waitUntil(self.skipWaiting());
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});
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self.addEventListener('activate', (e) => {
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if (DEBUG) {
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// eslint-disable-next-line no-console
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console.log('ServiceWorker activated');
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}
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e.waitUntil(
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Promise.race([
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// An attempt to fix freezing UI on iOS
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pause(ACTIVATE_TIMEOUT),
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Promise.all([
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clearAssetCache(),
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// Become available to all pages
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self.clients.claim(),
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]),
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]),
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);
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});
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// eslint-disable-next-line no-restricted-globals
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self.addEventListener('fetch', (e: FetchEvent) => {
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const { url } = e.request;
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if (url.includes('/progressive/')) {
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e.respondWith(respondForProgressive(e));
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return true;
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}
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if (url.startsWith('http') && url.match(ASSET_CACHE_PATTERN)) {
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e.respondWith(respondWithCache(e));
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return true;
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}
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return false;
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});
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self.addEventListener('push', handlePush);
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self.addEventListener('notificationclick', handleNotificationClick);
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self.addEventListener('message', handleClientMessage);
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