serviceworker-install.js

serviceworker-install.js

const staticFilesCache = 'static-files-v1';
const staticFiles = [
    '/',
    '/index.js',
    '/style.css',
    'https://fonts.googleapis.com/css?family=Open+Sans'
];

self.addEventListener('install', event => {
    const saveCacheFiles = caches.open(staticFilesCache)
        .then(cache => cache.addAll(staticFiles));
    event.waitUntil(saveCacheFiles);
});