implemented toasts

src/core/utils/timer.ts

@@ -0,0 +1,20 @@
+const Timer = function (callback, delay, ...args) {
+	var timerId,
+		start,
+		remaining = delay;
+
+	this.pause = function () {
+		window.clearTimeout(timerId);
+		remaining -= Date.now() - start;
+	};
+
+	this.resume = function () {
+		start = Date.now();
+		window.clearTimeout(timerId);
+		timerId = window.setTimeout(callback, remaining, ...args);
+	};
+
+	this.resume();
+};
+
+export default Timer;