"use strict";
// Establish a cache name
const cacheName = "dandelion_cache_v1";
const contentToCache = [
    "/index.html",
    "/main.js",
    "/marked.min.js",
    "/db.js",
    "/bookerly.woff2",
    "/virgil.woff2",
    "/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);
    })());
});
self.addEventListener("fetch", (e) => {
    e.respondWith((async () => {
        const r = await caches.match(e.request);
        if (r) {
            console.log(`[Service Worker] Cache hit for resource: ${e.request.url}`);
            return r;
        }
        let response;
        try {
            console.log(`[Service Worker] Cache miss, attempting to fetch resource: ${e.request.url}`);
            response = await fetch(e.request);
        }
        catch (e) {
            console.warn(e);
        }
        const cache = await caches.open(cacheName);
        console.log(`[Service Worker] Adding resource to cache: ${e.request.url}`);
        if (!response) {
            throw new Error(`Failed to fetch resource: ${e.request.url}`);
        }
        cache.put(e.request, response.clone());
        return response;
    })());
});
addEventListener("message", async (e) => {
    console.log(`Message received: ${e.data}`);
    switch (e.data.type) {
        case "updateMain":
            const cache = await caches.open(cacheName);
            console.log(`[Service Worker] Caching new resource: main.js`);
            cache.put("/main.js", new Response());
            break;
    }
});
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