serviceworker

serviceworker.js

/* in main.js it is successfully registering

if ('serviceWorker' in navigator) {
  navigator.serviceWorker.register('js/serviceWorker.js').then(function(reg) {
    // registration worked
    console.log('Registration succeeded. Scope is ' + reg.scope);
  }).catch(function(error) {
    // registration failed
    console.log('Registration failed with ' + error);
  });
};

*/

this.addEventListener('install', function(event) {
  event.waitUntil(
    caches.open('v1').then(function(cache) {
      console.log(cache);
      return cache.addAll([
        '/json/0.json',
        '/json/1.json',
        '/json/2.json',
        '/json/3.json',
        '/json/4.json',
        '/json/5.json',
        '/json/6.json',
        '/json/7.json',
        '/json/8.json',
        '/json/9.json',
        '/json/states.json',
        '/json/counties.json'
      ]);
    })
  );
});

this.addEventListener('fetch', function(event) {
  console.log(event);
  var response;
  event.respondWith(caches.match(event.request).catch(function() {
    return fetch(event.request);
  }).then(function(r) {
    response = r;
    caches.open('v1').then(function(cache) {
      cache.put(event.request, response);
    });
    return response.clone();
  }).catch(function() {
  }));
});