forked from gitea/gitea
44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
const {UseServiceWorker, AppSubUrl, AppVer} = window.config;
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const cacheName = 'static-cache-v2';
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async function unregister() {
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for (const registration of await navigator.serviceWorker.getRegistrations()) {
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const serviceWorker = registration.active;
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if (!serviceWorker) continue;
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registration.unregister();
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}
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}
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async function invalidateCache() {
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await caches.delete(cacheName);
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}
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async function checkCacheValidity() {
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const cacheKey = AppVer;
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const storedCacheKey = localStorage.getItem('staticCacheKey');
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// invalidate cache if it belongs to a different gitea version
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if (cacheKey && storedCacheKey !== cacheKey) {
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invalidateCache();
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localStorage.setItem('staticCacheKey', cacheKey);
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}
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}
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export default async function initServiceWorker() {
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if (!('serviceWorker' in navigator)) return;
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if (UseServiceWorker) {
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await checkCacheValidity();
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try {
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await navigator.serviceWorker.register(`${AppSubUrl}/serviceworker.js`);
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} catch (err) {
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console.error(err);
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await invalidateCache();
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await unregister();
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}
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} else {
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await invalidateCache();
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await unregister();
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}
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}
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