sw.js

"use strict";
const swWorker = self;
const APP_NAME = "akari-lrc-maker";
const VERSION = "5.6.6";
const HASH = "26783c9";
const CACHENAME = `${APP_NAME}-${VERSION}-${HASH}`;
swWorker.addEventListener("install", () => {
    swWorker.skipWaiting();
});
swWorker.addEventListener("activate", (event) => {
    event.waitUntil(caches.keys().then((cacheNames) => {
        return Promise.all([
            swWorker.clients.claim(),
            ...cacheNames
                .filter((cacheName) => {
                return cacheName.startsWith(APP_NAME) && cacheName !== CACHENAME;
            })
                .map((cacheName) => {
                return caches.delete(cacheName);
            }),
        ]);
    }));
});
swWorker.addEventListener("fetch", (event) => {
    if (event.request.method !== "GET") {
        return;
    }
    const url = new URL(event.request.url);
    if (!/(?:\.css|\.js|\.svg)$/i.test(url.pathname) && url.origin !== swWorker.location.origin) {
        return;
    }
    event.respondWith(caches.match(event.request).then((match) => match ||
        caches.open(CACHENAME).then((cache) => fetch(event.request).then((response) => {
            if (response.status !== 200) {
                return response;
            }
            cache.put(event.request, response.clone());
            return response;
        }))));
});
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