kopia lustrzana https://github.com/elk-zone/elk
70 wiersze
2.1 KiB
TypeScript
70 wiersze
2.1 KiB
TypeScript
/// <reference lib="WebWorker" />
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/// <reference types="vite/client" />
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import type { PushPayload } from '~/service-worker/types'
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import { ELK_PAGE_LIFECYCLE_FROZEN } from '../constants'
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import {
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closeDatabaseConnections,
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createNotificationOptions,
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findNotification,
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} from './notification'
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declare const self: ServiceWorkerGlobalScope
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self.addEventListener('message', (event) => {
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if (event.data === ELK_PAGE_LIFECYCLE_FROZEN)
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closeDatabaseConnections()
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})
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export function onPush(event: PushEvent) {
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const promise = isClientFocused().then((isFocused) => {
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if (isFocused)
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return Promise.resolve()
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const options: PushPayload = event.data!.json()
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return findNotification(options)
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.catch((e) => {
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console.error('unhandled error finding notification', e)
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return Promise.resolve(undefined)
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})
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.then((notificationInfo) => {
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return self.registration.showNotification(options.title, createNotificationOptions(options, notificationInfo))
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})
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})
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event.waitUntil(promise)
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}
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export function onNotificationClick(event: NotificationEvent) {
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const reactToNotificationClick = new Promise((resolve) => {
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event.notification.close()
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resolve(openUrl(event.notification.data.url))
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})
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event.waitUntil(reactToNotificationClick)
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}
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function findBestClient(clients: WindowClient[]) {
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const focusedClient = clients.find(client => client.focused)
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const visibleClient = clients.find(client => client.visibilityState === 'visible')
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return focusedClient || visibleClient || clients[0]
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}
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async function openUrl(url: string) {
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const clients = await self.clients.matchAll({ type: 'window' })
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// Chrome 42-48 does not support navigate
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if (clients.length !== 0 && 'navigate' in clients[0]) {
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const client = findBestClient(clients as WindowClient[])
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await client.navigate(url).then(client => client?.focus())
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}
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await self.clients.openWindow(url)
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}
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function isClientFocused() {
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return self.clients
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.matchAll({ type: 'window', includeUncontrolled: true })
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.then(windowClients => Promise.resolve(windowClients.some(windowClient => windowClient.focused)))
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}
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