46 lines
1007 B
JavaScript
46 lines
1007 B
JavaScript
const CACHE_NAME = 'notes2-{{ .VERSION }}'
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const CACHED_ASSETS = [
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'/',
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'/js/{{ .VERSION }}/app.mjs',
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]
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async function precache() {
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const cache = await caches.open(CACHE_NAME)
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return cache.addAll(CACHED_ASSETS)
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}
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async function fetchAsset(event) {
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try {
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return await fetch(event.request)
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} catch (e) {
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const cache = await caches.open(CACHE_NAME)
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return cache.match(event.request)
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}
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}
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async function cleanupCache() {
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const keys = await caches.keys()
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const keysToDelete = keys.map(key => {
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if (key !== CACHE_NAME)
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return caches.delete(key)
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})
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return Promise.all(keysToDelete)
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}
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self.addEventListener('install', event => {
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console.log('SERVICE WORKER: install')
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self.skipWaiting()
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event.waitUntil(precache())
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})
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self.addEventListener('activate', event => {
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console.log('SERVICE WORKER: activate')
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self.clients.claim()
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event.waitUntil(cleanupCache())
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})
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self.addEventListener('fetch', event => {
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//console.log('SERVICE WORKER: fetch')
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event.respondWith(fetchAsset(event))
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})
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