"use strict";
// Establish a cache name
const cacheName = "dandelion_cache_v1";
const contentToCache = [
    '/index.html',
    '/main.css',
    '/main.js',
    'lib//marked.min.js',
    'lib/qrcode.min.js',
    '/db.js',
    '/favicon.ico'
];
self.addEventListener("install", (e) => {
    e.waitUntil((async () => {
        const cache = await caches.open(cacheName);
        console.log("[Service Worker] Caching all: app shell and content", contentToCache);
        await cache.addAll(contentToCache);
    })());
});
async function responder(event) {
    console.log('Fetching', event.request.url);
    let response = await fetch(event.request);
    if (!response) {
        console.log('Fetch failed, falling back to cache', event.request.url);
        let cacheMatch = await caches.match(event.request);
        if (!cacheMatch) {
            // DUnno what to return here!
        }
        return cacheMatch;
    }
    if (response.status === 206) {
        console.log('Not caching partial content');
        return response;
    }
    console.log('Fetch successful, updating cache');
    const cache = await caches.open(cacheName);
    try {
        cache.put(event.request, response.clone()).catch((error) => console.log('failed to cache', event.request, error));
    }
    catch (e) {
        console.log('failed to cache', event.request);
    }
    return response;
}
self.addEventListener('fetch', function (event) {
    event.respondWith(responder(event));
});
addEventListener("message", async (e) => {
    console.log(`Message received:`, e.data);
    switch (e.data.type) {
        case "update_app":
            const cache = await caches.open(cacheName);
            console.log(`[Service Worker] Caching resources`);
            // cache.put("/main.js", new Response());
            for (let item of contentToCache) {
                cache.delete(item);
            }
            await cache.addAll(contentToCache);
            break;
    }
});
//# sourceMappingURL=sw.js.map