service-worker-install.js

var cacheName = 'mockApp-v1.0.0';
var filesToCache = [
  './',
  './index.html',
  './manifest.json',
  './static/js/bundle.js'
];

self.addEventListener('install', function(e) {
  e.waitUntil(caches.open(cacheName)
    .then(function(cache) {
      return cache.addAll(filesToCache)
        .then(function() {
          self.skipWaiting();
        });
      }));
});