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Feature(frontend): Move service worker to frontend
### Changelog: * Feature(frontend): Move service worker to frontend. * Chore(backend): Remove jsmin. * Chore(backend): Remove JSMinTemplateResponse. * Chore(backend): Bump version. Closes: #651+ See merge request vst/vst-utils!684
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| declare const clients: Clients; | ||
| declare const self: ServiceWorkerGlobalScope; | ||
| interface PushSubscriptionChangeEvent extends ExtendableEvent { | ||
| readonly oldSubscription: PushSubscription | null; | ||
| readonly newSubscription: PushSubscription | null; | ||
| } | ||
|
|
||
| export const handlePush = (defaultNotificationOptions?: NotificationOptions) => { | ||
| return (e: PushEvent) => { | ||
| try { | ||
| if (!e.data) { | ||
| console.warn('Push event has no data'); | ||
| return; | ||
| } | ||
|
|
||
| const { type, data } = e.data.json(); | ||
| if (type === 'notification') { | ||
| self.registration.showNotification(data.title, { | ||
| ...(defaultNotificationOptions ?? {}), | ||
| ...data.options, | ||
| }); | ||
| } | ||
| } catch (err) { | ||
| console.warn('Error handling push event:', err); | ||
| } | ||
| }; | ||
| }; | ||
|
|
||
| export const handleNotificationClick = () => { | ||
| return (e: NotificationEvent) => { | ||
| e.notification.close(); | ||
| if (!e.notification.data || !e.notification.data.url) { | ||
| return; | ||
| } | ||
| e.waitUntil( | ||
| clients.matchAll({ type: 'window' }).then((clientsArr) => { | ||
| const client = clientsArr[0]; | ||
| if (client) { | ||
| return client.navigate(e.notification.data.url).then(() => client.focus()); | ||
| } | ||
|
|
||
| return clients.openWindow(e.notification.data.url).then((client) => { | ||
| if (client) { | ||
| return client.focus(); | ||
| } | ||
| }); | ||
| }), | ||
| ); | ||
| }; | ||
| }; | ||
|
|
||
| export const handlePushSubscriptionChange = (apiUrl?: string | URL) => { | ||
| return (e: Event) => { | ||
| const event = e as PushSubscriptionChangeEvent; | ||
| if (!event.oldSubscription || !event.oldSubscription.endpoint) { | ||
| console.warn('Push subscription change event has no old subscription'); | ||
| return; | ||
| } | ||
| event.waitUntil( | ||
| self.registration.pushManager | ||
| .subscribe(event.oldSubscription.options) | ||
| .then((newSubscription) => { | ||
| const data = { | ||
| old_endpoint: event.oldSubscription!.endpoint, | ||
| subscription_data: newSubscription.toJSON(), | ||
| }; | ||
| const url = new URL('webpush/pushsubscriptionchange/', apiUrl ? apiUrl : '/api/'); | ||
| return fetch(url, { | ||
| method: 'POST', | ||
| headers: { | ||
| 'Content-Type': 'application/json', | ||
| }, | ||
| body: JSON.stringify(data), | ||
| }); | ||
| }) | ||
| .catch((err) => { | ||
| console.warn(err); | ||
| }), | ||
| ); | ||
| }; | ||
| }; | ||
|
|
||
| export const handleNotificationsMessage = (event: ExtendableMessageEvent) => { | ||
| if (event.data === 'authPageOpened') { | ||
| event.waitUntil( | ||
| self.registration.pushManager.getSubscription().then((subscription) => { | ||
| if (subscription) { | ||
| return subscription.unsubscribe(); | ||
| } | ||
| }), | ||
| ); | ||
| } | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| import { | ||
| handlePush, | ||
| handleNotificationClick, | ||
| handlePushSubscriptionChange, | ||
| handleNotificationsMessage, | ||
| } from './notification-handler'; | ||
|
|
||
| declare const self: ServiceWorkerGlobalScope & { | ||
| apiUrl: string | undefined; | ||
| defaultNotificationOptions: NotificationOptions; | ||
| }; | ||
|
|
||
| const OFFLINE_PAGE = '/offline.html'; | ||
| const FAVICON = '/favicon.ico'; | ||
|
|
||
| self.addEventListener('push', (e: PushEvent) => handlePush(self.defaultNotificationOptions)(e)); | ||
| self.addEventListener('notificationclick', (e: NotificationEvent) => handleNotificationClick()(e)); | ||
| self.addEventListener('pushsubscriptionchange', (e: Event) => handlePushSubscriptionChange(self.apiUrl)(e)); | ||
| self.addEventListener('message', handleNotificationsMessage); | ||
|
|
||
| self.addEventListener('install', () => { | ||
| const url = new URL(self.serviceWorker.scriptURL); | ||
|
|
||
| const encodedOptions = url.searchParams.get('options'); | ||
| if (encodedOptions) { | ||
| try { | ||
| const { apiUrl, defaultOptions } = JSON.parse(decodeURIComponent(encodedOptions)); | ||
| self.defaultNotificationOptions = defaultOptions || {}; | ||
| self.apiUrl = apiUrl || undefined; | ||
| } catch (error) { | ||
| console.error('Error decoding options:', error); | ||
| } | ||
| } else { | ||
| console.warn('No "options" parameter found in scriptURL.'); | ||
| } | ||
| }); | ||
|
|
||
| function updateCache(): Promise<void> { | ||
| return caches.open('offline').then((cache) => { | ||
| return cache.addAll([OFFLINE_PAGE, FAVICON]); | ||
| }); | ||
| } | ||
|
|
||
| self.addEventListener('activate', (event: ExtendableEvent) => { | ||
| event.waitUntil(updateCache().then(() => self.clients.claim())); | ||
| }); | ||
|
|
||
| self.addEventListener('message', (event) => { | ||
| if (event.data === 'OFFLINE_CACHE_UPDATE') { | ||
| updateCache(); | ||
| } | ||
| if (event.data === 'triggerPushSubscriptionChange') { | ||
| self.registration.pushManager.getSubscription().then((subscription) => { | ||
| const pushChangeEvent = new Event('pushsubscriptionchange'); | ||
| Object.assign(pushChangeEvent, { | ||
| oldSubscription: subscription, | ||
| }); | ||
| self.dispatchEvent(pushChangeEvent); | ||
| }); | ||
| } | ||
| }); | ||
|
|
||
| self.addEventListener('fetch', (event: FetchEvent) => { | ||
| const request = event.request; | ||
| try { | ||
| if ( | ||
| request.method === 'GET' && | ||
| (!request.headers || | ||
| !request.headers.get('accept') || | ||
| request.headers.get('accept')?.includes('text/html')) | ||
| ) { | ||
| event.respondWith( | ||
| fetch(request).catch(() => | ||
| caches.match(OFFLINE_PAGE, { ignoreVary: true }).then((cachedResponse) => { | ||
| if (cachedResponse) { | ||
| return cachedResponse; | ||
| } | ||
| return new Response('Offline page not found', { status: 503 }); | ||
| }), | ||
| ), | ||
| ); | ||
| } else if (request.method === 'GET' && request.url.endsWith(FAVICON)) { | ||
| event.respondWith( | ||
| fetch(request).catch(() => | ||
| caches.match(FAVICON, { ignoreVary: true }).then((cachedResponse) => { | ||
| if (cachedResponse) { | ||
| return cachedResponse; | ||
| } | ||
| return new Response('Favicon not found', { status: 404 }); | ||
| }), | ||
| ), | ||
| ); | ||
| } | ||
| } catch (e) { | ||
| console.log('SW error on:', request, e); | ||
| } | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,8 @@ | ||
| { | ||
| "files": [], | ||
| "references": [ | ||
| { "path": "./tsconfig.app.json" }, | ||
| { "path": "./tsconfig.node.json" } | ||
| { "path": "./tsconfig.app.json" }, | ||
| { "path": "./tsconfig.node.json" }, | ||
| { "path": "./tsconfig.sw.json" } | ||
| ] | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| { | ||
| "compilerOptions": { | ||
| "module": "ESNext", | ||
| "moduleResolution": "bundler", | ||
| "outDir": "dist", | ||
| "lib": ["WebWorker", "ES2015"], | ||
| "target": "esnext", | ||
| "strict": true | ||
| }, | ||
| "include": ["service-worker/**/*"] | ||
| } |
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