xref: /expo/packages/expo-notifications/build/getDevicePushTokenAsync.web.js.map (revision 97e1898c)

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This might also happen because your web page does not support HTTPS.'\n    );\n  }\n  if (Notification.permission !== 'granted') {\n    throw new CodedError(\n      'ERR_NOTIFICATIONS_PERMISSION_DENIED',\n      `Cannot use web notifications without permissions granted. Request permissions with \"expo-permissions\".`\n    );\n  }\n}\n\nasync function _subscribeDeviceToPushNotificationsAsync(): Promise<DevicePushToken['data']> {\n  // @ts-expect-error: TODO: not on the schema\n  const vapidPublicKey: string | null = Constants.expoConfig?.notification?.vapidPublicKey;\n  if (!vapidPublicKey) {\n    throw new CodedError(\n      'ERR_NOTIFICATIONS_PUSH_WEB_MISSING_CONFIG',\n      'You must provide `notification.vapidPublicKey` in `app.json` to use push notifications on web. Learn more: https://docs.expo.dev/versions/latest/guides/using-vapid/.'\n    );\n  }\n\n  // @ts-expect-error: TODO: not on the schema\n  const serviceWorkerPath = Constants.expoConfig?.notification?.serviceWorkerPath;\n  if (!serviceWorkerPath) {\n    throw new CodedError(\n      'ERR_NOTIFICATIONS_PUSH_MISSING_CONFIGURATION',\n      'You must specify `notification.serviceWorkerPath` in `app.json` to use push notifications on the web. Please provide the path to the service worker that will handle notifications.'\n    );\n  }\n  guardPermission();\n\n  let registration: ServiceWorkerRegistration | null = null;\n  try {\n    registration = await navigator.serviceWorker.register(serviceWorkerPath);\n  } catch (error) {\n    throw new CodedError(\n      'ERR_NOTIFICATIONS_PUSH_REGISTRATION_FAILED',\n      `Could not register this device for push notifications because the service worker (${serviceWorkerPath}) could not be registered: ${error}`\n    );\n  }\n  await navigator.serviceWorker.ready;\n\n  if (!registration.active) {\n    throw new CodedError(\n      'ERR_NOTIFICATIONS_PUSH_REGISTRATION_FAILED',\n      'Could not register this device for push notifications because the service worker is not active.'\n    );\n  }\n\n  const subscribeOptions = {\n    userVisibleOnly: true,\n    applicationServerKey: _urlBase64ToUint8Array(vapidPublicKey),\n  };\n  let pushSubscription: PushSubscription | null = null;\n  try {\n    pushSubscription = await registration.pushManager.subscribe(subscribeOptions);\n  } catch (error) {\n    throw new CodedError(\n      'ERR_NOTIFICATIONS_PUSH_REGISTRATION_FAILED',\n      'The device was unable to register for remote notifications with the browser endpoint. (' +\n        error +\n        ')'\n    );\n  }\n  const pushSubscriptionJson = pushSubscription.toJSON();\n\n  const subscriptionObject = {\n    endpoint: pushSubscriptionJson.endpoint,\n    keys: {\n      p256dh: pushSubscriptionJson.keys!.p256dh,\n      auth: pushSubscriptionJson.keys!.auth,\n    },\n  };\n\n  // Store notification icon string in service worker.\n  // This message is received by `/expo-service-worker.js`.\n  // We wrap it with `fromExpoWebClient` to make sure other message\n  // will not override content such as `notificationIcon`.\n  // https://stackoverflow.com/a/35729334/2603230\n  const notificationIcon = (Constants.expoConfig?.notification ?? {}).icon;\n  await registration.active.postMessage(\n    JSON.stringify({ fromExpoWebClient: { notificationIcon } })\n  );\n\n  return subscriptionObject;\n}\n\n// https://github.com/web-push-libs/web-push#using-vapid-key-for-applicationserverkey\nfunction _urlBase64ToUint8Array(base64String: string): Uint8Array {\n  const padding = '='.repeat((4 - (base64String.length % 4)) % 4);\n  const base64 = (base64String + padding).replace(/-/g, '+').replace(/_/g, '/');\n\n  const rawData = window.atob(base64);\n  const outputArray = new Uint8Array(rawData.length);\n\n  for (let i = 0; i < rawData.length; ++i) {\n    outputArray[i] = rawData.charCodeAt(i);\n  }\n  return outputArray;\n}\n"]}