67 lines
1.9 KiB
TypeScript
67 lines
1.9 KiB
TypeScript
import { getConfig, useMutation } from "blitz";
|
|
import { useEffect, useState } from "react";
|
|
|
|
import setNotificationSubscription from "../mutations/set-notification-subscription";
|
|
|
|
const { publicRuntimeConfig } = getConfig();
|
|
|
|
export default function useNotifications() {
|
|
const isServiceWorkerSupported = "serviceWorker" in navigator;
|
|
const [subscription, setSubscription] = useState<PushSubscription | null>(null);
|
|
const [setNotificationSubscriptionMutation] = useMutation(setNotificationSubscription);
|
|
|
|
useEffect(() => {
|
|
(async () => {
|
|
if (!isServiceWorkerSupported) {
|
|
return;
|
|
}
|
|
|
|
const registration = await navigator.serviceWorker.ready;
|
|
const subscription = await registration.pushManager.getSubscription();
|
|
setSubscription(subscription);
|
|
})();
|
|
}, [isServiceWorkerSupported]);
|
|
|
|
async function subscribe() {
|
|
if (!isServiceWorkerSupported) {
|
|
return;
|
|
}
|
|
|
|
const registration = await navigator.serviceWorker.ready;
|
|
const subscription = await registration.pushManager.subscribe({
|
|
userVisibleOnly: true,
|
|
applicationServerKey: urlBase64ToUint8Array(publicRuntimeConfig.webPush.publicKey),
|
|
});
|
|
setSubscription(subscription);
|
|
await setNotificationSubscriptionMutation({ subscription: subscription.toJSON() as any }); // TODO remove as any
|
|
}
|
|
|
|
async function unsubscribe() {
|
|
if (!isServiceWorkerSupported) {
|
|
return;
|
|
}
|
|
|
|
return subscription?.unsubscribe();
|
|
}
|
|
|
|
return {
|
|
isServiceWorkerSupported,
|
|
subscription,
|
|
subscribe,
|
|
unsubscribe,
|
|
};
|
|
}
|
|
|
|
function urlBase64ToUint8Array(base64String: string) {
|
|
const padding = "=".repeat((4 - (base64String.length % 4)) % 4);
|
|
const base64 = (base64String + padding).replace(/\-/g, "+").replace(/_/g, "/");
|
|
|
|
const rawData = window.atob(base64);
|
|
const outputArray = new Uint8Array(rawData.length);
|
|
|
|
for (let i = 0; i < rawData.length; ++i) {
|
|
outputArray[i] = rawData.charCodeAt(i);
|
|
}
|
|
return outputArray;
|
|
}
|