javascript-101.github.io/service-worker.js at master · javascript-101/javascript-101.github.io · GitHub

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varCACHE_NAME='index'
varurlsToCache=[
'/',
'index.html',
'styles/styles.css',
'images/icon-72x72.png',
'images/icon-96x96.png',
'images/icon-128x128.png',
'images/icon-144x144.png',
'images/icon-152x152.png',
'images/icon-192x192.png',
'images/icon-256x256.png',
'images/icon-384x384.png',
'images/icon-512x512.png',
'images/background.jpg',
'images/logo.svg',
'images/favicons/apple-touch-icon-57x57.png',
'images/favicons/apple-touch-icon-60x60.png',
'images/favicons/apple-touch-icon-72x72.png',
'images/favicons/apple-touch-icon-76x76.png',
'images/favicons/apple-touch-icon-114x114.png',
'images/favicons/apple-touch-icon-120x120.png',
'images/favicons/apple-touch-icon-144x144.png',
'images/favicons/apple-touch-icon-152x152.png',
'images/favicons/apple-touch-icon-180x180.png',
'images/favicons/apple-touch-icon.png',
'images/favicons/favicon-16x16.png',
'images/favicons/favicon-32x32.png',
'images/favicons/favicon.ico',
'images/favicons/safari-pinned-tab.svg'
]

self.addEventListener('install',event=>{
event.waitUntil(
caches.open(CACHE_NAME)
.then(cache=>{
console.log('Opened cache')
returncache.addAll(urlsToCache)
})
)
})

self.addEventListener('fetch',event=>{
console.log(event.request.url)
event.respondWith(
caches.match(event.request).then(response=>{
returnresponse||fetch(event.request)
})
)
})