Created
August 2, 2018 20:50
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Service Worker To Cache Response
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const cacheName = 'v2'; | |
// Call Install Event | |
self.addEventListener('install', e => { | |
console.log('Service Worker: Installed'); | |
}); | |
// Call Activate Event | |
self.addEventListener('activate', e => { | |
console.log('Service Worker: Activated'); | |
// Remove unwanted caches | |
e.waitUntil( | |
caches.keys().then(cacheNames => { | |
return Promise.all( | |
cacheNames.map(cache => { | |
if (cache !== cacheName) { | |
console.log('Service Worker: Clearing Old Cache'); | |
return caches.delete(cache); | |
} | |
}) | |
); | |
}) | |
); | |
}); | |
// Call Fetch Event | |
self.addEventListener('fetch', e => { | |
console.log('Service Worker: Fetching'); | |
e.respondWith( | |
fetch(e.request) | |
.then(res => { | |
// Make copy/clone of response | |
const resClone = res.clone(); | |
// Open cahce | |
caches.open(cacheName).then(cache => { | |
// Add response to cache | |
cache.put(e.request, resClone); | |
}); | |
return res; | |
}) | |
.catch(err => caches.match(e.request).then(res => res)) | |
); | |
}); |
Excellent! Thanks!
Thanks for making it so easy !
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Good work Brad