Change SW cache technique

This commit is contained in:
Marcus Noble 2017-10-15 07:24:21 +01:00
parent 09e95c1b65
commit d2213990e1
1 changed files with 8 additions and 8 deletions

View File

@ -6,13 +6,13 @@ self.addEventListener('fetch', function(event) {
function fetchAndCache(event) { function fetchAndCache(event) {
return caches.open(CACHE).then(function (cache) { return caches.open(CACHE).then(function (cache) {
return fetch(event.request) return cache.match(event.request).then(response => {
.then(function(response) { var fetchResponse = fetch(event.request)
cache.put(event.request, response.clone()); .then(function(networkResponse) {
return response; cache.put(event.request, networkResponse.clone());
}) return networkResponse;
.catch(function() { });
return cache.match(event.request); return response || fetchResponse;
}); });
}); });
} }