const CACHE_NAME = "woordjes-v1";

const FILES = [
    "/learn.php",
    "/assets/css/style.css",
    "/assets/js/app.js"
];

self.addEventListener("install", (event) => {
    event.waitUntil(
        caches.open(CACHE_NAME).then((cache) => {
            return cache.addAll(FILES);
        })
    );
});

self.addEventListener("fetch", (event) => {

    const url = event.request.url;

    // API NIET cachen (anders breekt je SRS)
    if (url.includes("/api/")) {
        return;
    }

    event.respondWith(
        caches.match(event.request).then((cached) => {
            return cached || fetch(event.request);
        })
    );
});