Notifications for Feedbin

feedbin-notifications.user.js

// ==UserScript==
// @name	Feedbin unread notifications
// @match	*://feedbin.me/*
// @grant	none
// @author	Samuel Laurén
// ==/UserScript==

var count = () => {
    var unreadCount = document.querySelector("[data-behavior~=all_unread] .count");
	return parseInt(unreadCount.innerHTML, 10);
};

var createNotifier = () => {
	var lastCount = count();
	return () => {
		var items = count();
		if (lastCount < items) {
			displayNotification(items);
		}
		lastCount = items;
	};
};

var displayNotification = items => {
    console.log("Displaying notification for " + items + " items");
	new Notification("Feedbin", {
		body: items.toString() + " items available",
		icon: document.querySelector("[rel=apple-touch-icon-precomposed]").href
	});
};

var setupNotification = () => {
	window.setInterval(createNotifier(), 30000);
};

if (Notification.permission === "granted") {
	setupNotification();
} else if (Notification.persmission !== "denied") {
	Notification.requestPermission((permission) => {
		if (permission === "granted") {
			setupNotification();
		}
	});
}