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Cache index in service worker

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This commit is contained in:
Paulus Schoutsen 2015-12-07 23:06:58 -08:00
parent 4219380146
commit 254dd6243b
1 changed files with 36 additions and 2 deletions
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38
src/service-worker/index.js
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@ -1,3 +1,8 @@
const CACHE = '0.10';
const INDEX_CACHE_URL = '/';
const INDEX_ROUTES = ['/', '/logbook', '/history', '/map', '/devService', '/devState',
'/devEvent', '/devInfo', '/states'];
if (__DEV__) {
console.log('Service Worker initialized.');
}
@ -6,6 +11,10 @@ self.addEventListener('install', event => {
if (__DEV__) {
console.log('Service Worker installed.');
}
event.waitUntil(
caches.open(CACHE).then(cache => cache.add(INDEX_CACHE_URL))
);
});
self.addEventListener('activate', event => {
@ -16,8 +25,33 @@ self.addEventListener('activate', event => {
}
});
self.addEventListener('onmessage', message => {
self.addEventListener('message', event => {
if (__DEV__) {
console.log('Message received', message);
console.log('Message received', event.data);
}
});
self.addEventListener('fetch', event => {
const path = event.request.url.substr(event.request.url.indexOf('/', 7));
if (event.request.mode !== 'same-origin' || !INDEX_ROUTES.includes(path)) {
return fetch(event.request);
}
event.respondWith(
caches.open(CACHE).then(cache => {
return cache.match(INDEX_CACHE_URL).then(cachedResponse => {
const networkFetch = fetch(event.request).then(response => {
cache.put(INDEX_CACHE_URL, response.clone());
return response;
});
if (__DEV__ && cachedResponse) {
console.log('Serving cached response for', path);
}
return cachedResponse || networkFetch;
});
})
);
});