31 lines
609 B
JavaScript
31 lines
609 B
JavaScript
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const cacheName = 'v1'
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches
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.open(cacheName)
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.then(cache => cache.addAll([
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'.',
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'./index.html',
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'./index.js',
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'./index.css',
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'./instances.json'
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]))
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)
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})
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self.addEventListener('activate', (_event) => {
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})
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self.addEventListener('fetch', async (event) => {
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const res = await fetch(event.request)
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if (!res.ok) {
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const cachedRes = await caches.match(event.request)
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if (cachedRes) {
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event.respondWith(cachedRes)
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return
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}
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}
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event.respondWith(res)
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})
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