typo, remove dead code, comments, fix recurring refresh, let fetcher handle it

modules/default/calendar/calendar.js

@@ -29,7 +29,7 @@ Module.register("calendar", {
 		timeFormat: "relative",
 		dateFormat: "MMM Do",
 		dateEndFormat: "LT",
-		fullDayEventDateFormat: "MMM Do HH:mm",
+		fullDayEventDateFormat: "MMM Do",
 		showEnd: false,
 		getRelative: 6,
 		fadePoint: 0.25, // Start on 1/4th of the list.
@@ -41,7 +41,7 @@ Module.register("calendar", {
 		calendars: [
 			{
 				symbol: "calendar",
-				url: "https://www.calendarlabs.com/templates/ical/US-Holidays.ics1"
+				url: "https://www.calendarlabs.com/templates/ical/US-Holidays.ics"
 			}
 		],
 		titleReplace: {
@@ -85,6 +85,12 @@ Module.register("calendar", {
 		// Set locale.
 		moment.updateLocale(config.language, this.getLocaleSpecification(config.timeFormat));
 
+		// clear data holder before start
+		this.calendarData = {};
+
+		// indicate no data available yet
+		this.loaded = false;
+
 		for (var c in this.config.calendars) {
 			var calendar = this.config.calendars[c];
 			calendar.url = calendar.url.replace("webcal://", "http://");
@@ -114,18 +120,10 @@ Module.register("calendar", {
 				};
 			}
 
+			// tell helper to start a fetcher for this calendar
+			// fetcher till cycle
 			this.addCalendar(calendar.url, calendar.auth, calendarConfig);
-
-			/*			// Trigger ADD_CALENDAR every fetchInterval to make sure there is always a calendar
-			// fetcher running on the server side.
-			var self = this;
-			setInterval(function () {
-				self.addCalendar(calendar.url, calendar.auth, calendarConfig);
-			}, self.config.fetchInterval); */
 		}
-
-		this.calendarData = {};
-		this.loaded = false;
 	},
 
 	// Override socket notification handler.
@@ -558,9 +556,6 @@ Module.register("calendar", {
 			auth: auth,
 			broadcastPastEvents: calendarConfig.broadcastPastEvents || this.config.broadcastPastEvents
 		});
-		setTimeout(() => {
-			self.addCalendar(url, auth, calendarConfig);
-		}, self.config.fetchInterval);
 	},
 
 	/**