git ssb

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var CACHE_NAME = '20161003';
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var urlsToCache = [
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  '/',
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  '/favicon.png'
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];
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self.addEventListener('install', function(event) {
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  event.waitUntil(
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    caches.open(CACHE_NAME)
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      .then(function(cache) {
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        return cache.addAll(urlsToCache);
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      })
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  );
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});
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self.addEventListener('fetch', function(event) {
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  event.respondWith(
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    caches.match(event.request)
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      .then(function(response) {
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        if (response) {
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          return response;
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        }
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        var fetchRequest = event.request.clone();
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        return fetch(fetchRequest).then(
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          function(response) {
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            if(!response || response.status !== 200 || response.type !== 'basic') {
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              return response;
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            }
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            var responseToCache = response.clone();
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            caches.open(CACHE_NAME)
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              .then(function(cache) {
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                cache.put(event.request, responseToCache);
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              });
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            return response;
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          }
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        );
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      })
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    );
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});
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