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@@ -30,6 +30,27 @@ export function getNotificationPermission(): NotificationPermission | 'unsupport
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let cachedVapidKey: string | null = null
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let cachedRegistration: ServiceWorkerRegistration | null = null
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async function getRegistrationCompat(timeoutMs = 8000): Promise<ServiceWorkerRegistration> {
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if (!('serviceWorker' in navigator)) {
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throw new Error('Service Worker is not supported by your browser')
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}
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try {
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const reg = await navigator.serviceWorker.getRegistration()
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if (reg) return reg
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} catch (e) {
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console.warn('Failed to get service worker registration directly:', e)
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}
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// Fallback to waiting for ready state with a timeout
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const readyPromise = navigator.serviceWorker.ready
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const timeoutPromise = new Promise<never>((_, reject) =>
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setTimeout(() => reject(new Error('Timeout waiting for Service Worker ready state')), timeoutMs)
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)
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return Promise.race([readyPromise, timeoutPromise])
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}
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export async function preloadPushService(): Promise<void> {
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if (!isPushSupported()) return
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try {
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@@ -37,7 +58,7 @@ export async function preloadPushService(): Promise<void> {
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await fetchVapidPublicKey()
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}
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if (!cachedRegistration) {
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cachedRegistration = await navigator.serviceWorker.ready
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cachedRegistration = await getRegistrationCompat()
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}
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} catch (err) {
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console.warn('Failed to preload push service:', err)
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@@ -172,14 +193,10 @@ export async function subscribeToPush(): Promise<void> {
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throw new Error('Push notifications are not supported on this device')
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}
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// Pre-resolve registration with timeout to prevent silent hangs
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// Pre-resolve registration using getRegistrationCompat to prevent ready state hangs
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let registration = cachedRegistration
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if (!registration) {
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const readyPromise = navigator.serviceWorker.ready
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const readyTimeout = new Promise<never>((_, reject) =>
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setTimeout(() => reject(new Error('Timeout waiting for Service Worker ready state')), 8000)
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)
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registration = await Promise.race([readyPromise, readyTimeout])
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registration = await getRegistrationCompat()
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cachedRegistration = registration
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}
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@@ -214,11 +231,7 @@ export async function unsubscribeFromPush(): Promise<void> {
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let registration = cachedRegistration
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if (!registration) {
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const readyPromise = navigator.serviceWorker.ready
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const readyTimeout = new Promise<never>((_, reject) =>
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setTimeout(() => reject(new Error('Timeout waiting for Service Worker ready state')), 8000)
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)
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registration = await Promise.race([readyPromise, readyTimeout])
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registration = await getRegistrationCompat()
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cachedRegistration = registration
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}
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