@serwist/next/dist/sw-entry-worker.js

A module that integrates Serwist into your Next.js application.

self.onmessage = async (ev)=>{
    switch(ev.data.type){
        case "__START_URL_CACHE__":
            {
                const url = ev.data.url;
                const response = await fetch(url);
                if (!response.redirected) {
                    const startUrlCache = await caches.open("start-url");
                    return startUrlCache.put(url, response);
                }
                return Promise.resolve();
            }
        case "__FRONTEND_NAV_CACHE__":
            {
                const url = ev.data.url;
                const pagesCache = await caches.open("pages");
                const isPageCached = !!await pagesCache.match(url, {
                    ignoreSearch: true
                });
                if (isPageCached) {
                    return;
                }
                const page = await fetch(url);
                if (!page.ok) {
                    return;
                }
                pagesCache.put(url, page.clone());
                return Promise.resolve();
            }
        default:
            return Promise.resolve();
    }
};