mirror of
https://github.com/go-gitea/gitea
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- Replace all default exports with named exports, except for Vue SFCs - Remove names from Vue SFCs, they are automatically inferred from the filename - Misc whitespace-related tweaks
57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
import {joinPaths, parseUrl} from '../utils.js';
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const {useServiceWorker, assetUrlPrefix, assetVersionEncoded} = window.config;
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const cachePrefix = 'static-cache-v'; // actual version is set in the service worker script
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const workerUrl = `${joinPaths(assetUrlPrefix, 'serviceworker.js')}?v=${assetVersionEncoded}`;
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async function unregisterAll() {
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for (const registration of await navigator.serviceWorker.getRegistrations()) {
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if (registration.active) await registration.unregister();
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}
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}
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async function unregisterOtherWorkers() {
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for (const registration of await navigator.serviceWorker.getRegistrations()) {
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const scriptPath = parseUrl(registration.active?.scriptURL || '').pathname;
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const workerPath = parseUrl(workerUrl).pathname;
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if (scriptPath !== workerPath) await registration.unregister();
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}
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}
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async function invalidateCache() {
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for (const key of await caches.keys()) {
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if (key.startsWith(cachePrefix)) caches.delete(key);
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}
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}
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async function checkCacheValidity() {
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const cacheKey = assetVersionEncoded;
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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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await invalidateCache();
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localStorage.setItem('staticCacheKey', cacheKey);
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}
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}
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export async function initServiceWorker() {
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if (!('serviceWorker' in navigator)) return;
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if (useServiceWorker) {
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// unregister all service workers where scriptURL does not match the current one
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await unregisterOtherWorkers();
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try {
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// the spec strictly requires it to be same-origin so the AssetUrlPrefix should contain AppSubUrl
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await checkCacheValidity();
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await navigator.serviceWorker.register(workerUrl);
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} catch (err) {
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console.error(err);
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await invalidateCache();
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await unregisterAll();
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}
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} else {
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await invalidateCache();
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await unregisterAll();
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}
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}
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