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Service Worker: An attempt to fix freezing UI on iOS

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This commit is contained in:
Alexander Zinchuk 2021-08-27 21:09:00 +03:00
parent 84e1a5b1de
commit f4fad13266
1 changed files with 13 additions and 3 deletions
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16
src/serviceWorker.ts
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@ -2,10 +2,12 @@ import { DEBUG } from './config';
import { respondForProgressive } from './serviceWorker/progressive';
import { respondWithCache, clearAssetCache } from './serviceWorker/assetCache';
import { handlePush, handleNotificationClick, handleClientMessage } from './serviceWorker/pushNotification';
import { pause } from './util/schedulers';
declare const self: ServiceWorkerGlobalScope;
const ASSET_CACHE_PATTERN = /[0-9a-f]{20}.*\.(js|css|woff2?|svg|png|jpg|jpeg|json|wasm)$/;
const ACTIVATE_TIMEOUT = 3000;
self.addEventListener('install', (e) => {
if (DEBUG) {
@ -23,9 +25,17 @@ self.addEventListener('activate', (e) => {
console.log('ServiceWorker activated');
}
e.waitUntil(clearAssetCache());
// Become available to all pages
e.waitUntil(self.clients.claim());
e.waitUntil(
Promise.race([
// An attempt to fix freezing UI on iOS
pause(ACTIVATE_TIMEOUT),
Promise.all([
clearAssetCache(),
// Become available to all pages
self.clients.claim(),
]),
]),
);
});
// eslint-disable-next-line no-restricted-globals