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window.doSubscribe = async function (applicationServerKey) {
const registration = await navigator.serviceWorker.register("./sw.js");
const sub = await registration.pushManager.subscribe({
applicationServerKey,
});
return sub.toJSON();
};
window.doGetSubscription = async function () {
const registration = await navigator.serviceWorker.register("./sw.js");
const sub = await registration.pushManager.getSubscription();
if (sub) {
return sub.toJSON();
}
return null;
};
window.doUnsubscribe = async function () {
const registration = await navigator.serviceWorker.register("./sw.js");
const sub = await registration.pushManager.getSubscription();
sub.unsubscribe();
return {};
};
window.doWaitForPushEvent = function () {
return new Promise(resolve => {
navigator.serviceWorker.addEventListener("message", function (e) {
if (e.data.type === "push") {
resolve(e.data.payload);
}
});
});
};
window.doWaitForSubscriptionChange = function () {
return new Promise(resolve => {
navigator.serviceWorker.addEventListener("message", function (e) {
if (e.data.type === "pushsubscriptionchange") {
resolve(e.data.type);
}
});
});
};
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