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sw.js
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sw.js
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/* eslint-env serviceworker */
import localForage from 'localforage'
import { parseNotification } from './services/entity_normalizer/entity_normalizer.service.js'
import { prepareNotificationObject } from './services/notification_utils/notification_utils.js'
import { createI18n } from 'vue-i18n'
import messages from './i18n/service_worker_messages.js'
const i18n = createI18n({
// By default, use the browser locale, we will update it if neccessary
locale: 'en',
fallbackLocale: 'en',
messages
})
const state = {
lastFocused: null,
notificationIds: new Set(),
allowedNotificationTypes: null
}
function getWindowClients () {
return clients.matchAll({ includeUncontrolled: true })
.then((clientList) => clientList.filter(({ type }) => type === 'window'))
}
const setSettings = async () => {
const vuexState = await localForage.getItem('vuex-lz')
const locale = vuexState.config.interfaceLanguage || 'en'
i18n.locale = locale
const notificationsNativeArray = Object.entries(vuexState.config.notificationNative)
state.webPushAlwaysShowNotifications = vuexState.config.webPushAlwaysShowNotifications
state.allowedNotificationTypes = new Set(
notificationsNativeArray
.filter(([k, v]) => v)
.map(([k]) => {
switch (k) {
case 'mentions':
return 'mention'
case 'statuses':
return 'status'
case 'likes':
return 'like'
case 'repeats':
return 'repeat'
case 'emojiReactions':
return 'pleroma:emoji_reaction'
case 'reports':
return 'pleroma:report'
case 'followRequest':
return 'follow_request'
case 'follows':
return 'follow'
case 'polls':
return 'poll'
default:
return k
}
})
)
}
const showPushNotification = async (event) => {
const activeClients = await getWindowClients()
await setSettings()
// Only show push notifications if all tabs/windows are closed
if (state.webPushAlwaysShowNotifications || activeClients.length === 0) {
const data = event.data.json()
const url = `${self.registration.scope}api/v1/notifications/${data.notification_id}`
const notification = await fetch(url, { headers: { Authorization: 'Bearer ' + data.access_token } })
const notificationJson = await notification.json()
const parsedNotification = parseNotification(notificationJson)
const res = prepareNotificationObject(parsedNotification, i18n)
if (state.webPushAlwaysShowNotifications || state.allowedNotificationTypes.has(parsedNotification.type)) {
return self.registration.showNotification(res.title, res)
}
}
return Promise.resolve()
}
self.addEventListener('push', async (event) => {
if (event.data) {
// Supposedly, we HAVE to return a promise inside waitUntil otherwise it will
// show (extra) notification that website is updated in background
event.waitUntil(showPushNotification(event))
}
})
self.addEventListener('message', async (event) => {
await setSettings()
const { type, content } = event.data
if (type === 'desktopNotification') {
const { title, ...rest } = content
const { tag, type } = rest
if (state.notificationIds.has(tag)) return
state.notificationIds.add(tag)
setTimeout(() => state.notificationIds.delete(tag), 10000)
if (state.allowedNotificationTypes.has(type)) {
self.registration.showNotification(title, rest)
}
}
if (type === 'desktopNotificationClose') {
const { id, all } = content
const search = all ? null : { tag: id }
const notifications = await self.registration.getNotifications(search)
notifications.forEach(n => n.close())
}
if (type === 'updateFocus') {
state.lastFocused = event.source.id
const notifications = await self.registration.getNotifications()
notifications.forEach(n => n.close())
}
})
self.addEventListener('notificationclick', (event) => {
event.notification.close()
event.waitUntil(getWindowClients().then((list) => {
for (let i = 0; i < list.length; i++) {
const client = list[i]
client.postMessage({ type: 'notificationClicked', id: event.notification.tag })
}
for (let i = 0; i < list.length; i++) {
const client = list[i]
if (state.lastFocused === null || client.id === state.lastFocused) {
if ('focus' in client) return client.focus()
}
}
if (clients.openWindow) return clients.openWindow('/')
}))
})

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