text: /* global cloneObject */
  
  /* Magic Mirror
   * Module: Calendar
   *
   * By Michael Teeuw https://michaelteeuw.nl
   * MIT Licensed.
   */
  Module.register("calendar", {
  	// Define module defaults
  	defaults: {
  		maximumEntries: 10, // Total Maximum Entries
  		maximumNumberOfDays: 365,
  		limitDays: 0, // Limit the number of days shown, 0 = no limit
  		displaySymbol: true,
  		defaultSymbol: "calendar", // Fontawesome Symbol see https://fontawesome.com/cheatsheet?from=io
  		showLocation: false,
  		displayRepeatingCountTitle: false,
  		defaultRepeatingCountTitle: "",
  		maxTitleLength: 25,
  		maxLocationTitleLength: 25,
  		wrapEvents: false, // wrap events to multiple lines breaking at maxTitleLength
  		wrapLocationEvents: false,
  		maxTitleLines: 3,
  		maxEventTitleLines: 3,
  		fetchInterval: 5 * 60 * 1000, // Update every 5 minutes.
  		animationSpeed: 2000,
  		fade: true,
  		urgency: 7,
  		timeFormat: "relative",
  		dateFormat: "MMM Do",
  		dateEndFormat: "LT",
  		fullDayEventDateFormat: "MMM Do",
  		showEnd: false,
  		getRelative: 6,
  		fadePoint: 0.25, // Start on 1/4th of the list.
  		hidePrivate: false,
  		hideOngoing: false,
  		hideTime: false,
  		colored: false,
  		coloredSymbolOnly: false,
  		customEvents: [], // Array of {keyword: "", symbol: "", color: ""} where Keyword is a regexp and symbol/color are to be applied for matched
  		tableClass: "small",
  		calendars: [
  			{
  				symbol: "University Time Table",
  				url: "https://timetable.uwl.ac.uk/iCal/1gxbpsbbiqs9plp9emgeh76xdaw78oajjcscch07ikxhktftpbz791pheynb0k6s/calendar.ics"
  			}
  		],
  		titleReplace: {
  			"De verjaardag van ": "",
  			"'s birthday": ""
  		},
  		locationTitleReplace: {
  			"street ": ""
  		},
  		broadcastEvents: true,
  		excludedEvents: [],
  		sliceMultiDayEvents: false,
  		broadcastPastEvents: false,
  		nextDaysRelative: false,
  		selfSignedCert: false
  	},
  
  	requiresVersion: "2.1.0",
  
  	// Define required scripts.
  	getStyles: function () {
  		return ["calendar.css", "font-awesome.css"];
  	},
  
  	// Define required scripts.
  	getScripts: function () {
  		return ["moment.js"];
  	},
  
  	// Define required translations.
  	getTranslations: function () {
  		// The translations for the default modules are defined in the core translation files.
  		// Therefore we can just return false. Otherwise we should have returned a dictionary.
  		// If you're trying to build your own module including translations, check out the documentation.
  		return false;
  	},
  
  	// Override start method.
  	start: function () {
  		Log.info("Starting module: " + this.name);
  
  		// 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;
  
  		this.config.calendars.forEach((calendar) => {
  			calendar.url = calendar.url.replace("webcal://", "http://");
  
  			const calendarConfig = {
  				maximumEntries: calendar.maximumEntries,
  				maximumNumberOfDays: calendar.maximumNumberOfDays,
  				broadcastPastEvents: calendar.broadcastPastEvents,
  				selfSignedCert: calendar.selfSignedCert
  			};
  
  			if (calendar.symbolClass === "undefined" || calendar.symbolClass === null) {
  				calendarConfig.symbolClass = "";
  			}
  			if (calendar.titleClass === "undefined" || calendar.titleClass === null) {
  				calendarConfig.titleClass = "";
  			}
  			if (calendar.timeClass === "undefined" || calendar.timeClass === null) {
  				calendarConfig.timeClass = "";
  			}
  
  			// we check user and password here for backwards compatibility with old configs
  			if (calendar.user && calendar.pass) {
  				Log.warn("Deprecation warning: Please update your calendar authentication configuration.");
  				Log.warn("https://github.com/MichMich/MagicMirror/tree/v2.1.2/modules/default/calendar#calendar-authentication-options");
  				calendar.auth = {
  					user: calendar.user,
  					pass: calendar.pass
  				};
  			}
  
  			// tell helper to start a fetcher for this calendar
  			// fetcher till cycle
  			this.addCalendar(calendar.url, calendar.auth, calendarConfig);
  		});
  	},
  
  	// Override socket notification handler.
  	socketNotificationReceived: function (notification, payload) {
  		if (this.identifier !== payload.id) {
  			return;
  		}
  
  		if (notification === "CALENDAR_EVENTS") {
  			if (this.hasCalendarURL(payload.url)) {
  				this.calendarData[payload.url] = payload.events;
  				this.error = null;
  				this.loaded = true;
  
  				if (this.config.broadcastEvents) {
  					this.broadcastEvents();
  				}
  			}
  		} else if (notification === "CALENDAR_ERROR") {
  			let error_message = this.translate(payload.error_type);
  			this.error = this.translate("MODULE_CONFIG_ERROR", { MODULE_NAME: this.name, ERROR: error_message });
  			this.loaded = true;
  		}
  
  		this.updateDom(this.config.animationSpeed);
  	},
  
  	// Override dom generator.
  	getDom: function () {
  		// Define second, minute, hour, and day constants
  		const oneSecond = 1000; // 1,000 milliseconds
  		const oneMinute = oneSecond * 60;
  		const oneHour = oneMinute * 60;
  		const oneDay = oneHour * 24;
  
  		const events = this.createEventList();
  		const wrapper = document.createElement("table");
  		wrapper.className = this.config.tableClass;
  
  		if (this.error) {
  			wrapper.innerHTML = this.error;
  			wrapper.className = this.config.tableClass + " dimmed";
  			return wrapper;
  		}
  
  		if (events.length === 0) {
  			wrapper.innerHTML = this.loaded ? this.translate("EMPTY") : this.translate("LOADING");
  			wrapper.className = this.config.tableClass + " dimmed";
  			return wrapper;
  		}
  
  		let currentFadeStep = 0;
  		let startFade;
  		let fadeSteps;
  
  		if (this.config.fade && this.config.fadePoint < 1) {
  			if (this.config.fadePoint < 0) {
  				this.config.fadePoint = 0;
  			}
  			startFade = events.length * this.config.fadePoint;
  			fadeSteps = events.length - startFade;
  		}
  
  		let lastSeenDate = "";
  
  		events.forEach((event, index) => {
  			const dateAsString = moment(event.startDate, "x").format(this.config.dateFormat);
  			if (this.config.timeFormat === "dateheaders") {
  				if (lastSeenDate !== dateAsString) {
  					const dateRow = document.createElement("tr");
  					dateRow.className = "normal";
  
  					const dateCell = document.createElement("td");
  					dateCell.colSpan = "3";
  					dateCell.innerHTML = dateAsString;
  					dateCell.style.paddingTop = "10px";
  					dateRow.appendChild(dateCell);
  					wrapper.appendChild(dateRow);
  
  					if (this.config.fade && index >= startFade) {
  						//fading
  						currentFadeStep = index - startFade;
  						dateRow.style.opacity = 1 - (1 / fadeSteps) * currentFadeStep;
  					}
  
  					lastSeenDate = dateAsString;
  				}
  			}
  
  			const eventWrapper = document.createElement("tr");
  
  			if (this.config.colored && !this.config.coloredSymbolOnly) {
  				eventWrapper.style.cssText = "color:" + this.colorForUrl(event.url);
  			}
  
  			eventWrapper.className = "normal event";
  
  			const symbolWrapper = document.createElement("td");
  
  			if (this.config.displaySymbol) {
  				if (this.config.colored && this.config.coloredSymbolOnly) {
  					symbolWrapper.style.cssText = "color:" + this.colorForUrl(event.url);
  				}
  
  				const symbolClass = this.symbolClassForUrl(event.url);
  				symbolWrapper.className = "symbol align-right " + symbolClass;
  
  				const symbols = this.symbolsForEvent(event);
  				symbols.forEach((s, index) => {
  					const symbol = document.createElement("span");
  					symbol.className = "fa fa-fw fa-" + s;
  					if (index > 0) {
  						symbol.style.paddingLeft = "5px";
  					}
  					symbolWrapper.appendChild(symbol);
  				});
  				eventWrapper.appendChild(symbolWrapper);
  			} else if (this.config.timeFormat === "dateheaders") {
  				const blankCell = document.createElement("td");
  				blankCell.innerHTML = "&nbsp;&nbsp;&nbsp;";
  				eventWrapper.appendChild(blankCell);
  			}
  
  			const titleWrapper = document.createElement("td");
  			let repeatingCountTitle = "";
  
  			if (this.config.displayRepeatingCountTitle && event.firstYear !== undefined) {
  				repeatingCountTitle = this.countTitleForUrl(event.url);
  
  				if (repeatingCountTitle !== "") {
  					const thisYear = new Date(parseInt(event.startDate)).getFullYear(),
  						yearDiff = thisYear - event.firstYear;
  
  					repeatingCountTitle = ", " + yearDiff + ". " + repeatingCountTitle;
  				}
  			}
  
  			// Color events if custom color is specified
  			if (this.config.customEvents.length > 0) {
  				for (let ev in this.config.customEvents) {
  					if (typeof this.config.customEvents[ev].color !== "undefined" && this.config.customEvents[ev].color !== "") {
  						let needle = new RegExp(this.config.customEvents[ev].keyword, "gi");
  						if (needle.test(event.title)) {
  							// Respect parameter ColoredSymbolOnly also for custom events
  							if (!this.config.coloredSymbolOnly) {
  								eventWrapper.style.cssText = "color:" + this.config.customEvents[ev].color;
  								titleWrapper.style.cssText = "color:" + this.config.customEvents[ev].color;
  							}
  							if (this.config.displaySymbol) {
  								symbolWrapper.style.cssText = "color:" + this.config.customEvents[ev].color;
  							}
  							break;
  						}
  					}
  				}
  			}
  
  			titleWrapper.innerHTML = this.titleTransform(event.title, this.config.titleReplace, this.config.wrapEvents, this.config.maxTitleLength, this.config.maxTitleLines) + repeatingCountTitle;
  
  			const titleClass = this.titleClassForUrl(event.url);
  
  			if (!this.config.colored) {
  				titleWrapper.className = "title bright " + titleClass;
  			} else {
  				titleWrapper.className = "title " + titleClass;
  			}
  
  			if (this.config.timeFormat === "dateheaders") {
  				if (event.fullDayEvent) {
  					titleWrapper.colSpan = "2";
  					titleWrapper.classList.add("align-left");
  				} else {
  					const timeWrapper = document.createElement("td");
  					timeWrapper.className = "time light align-left " + this.timeClassForUrl(event.url);
  					timeWrapper.style.paddingLeft = "2px";
  					timeWrapper.innerHTML = moment(event.startDate, "x").format("LT");
  					eventWrapper.appendChild(timeWrapper);
  					titleWrapper.classList.add("align-right");
  				}
  
  				eventWrapper.appendChild(titleWrapper);
  			} else {
  				const timeWrapper = document.createElement("td");
  
  				eventWrapper.appendChild(titleWrapper);
  				const now = new Date();
  
  				if (this.config.timeFormat === "absolute") {
  					// Use dateFormat
  					timeWrapper.innerHTML = this.capFirst(moment(event.startDate, "x").format(this.config.dateFormat));
  					// Add end time if showEnd
  					if (this.config.showEnd) {
  						timeWrapper.innerHTML += "-";
  						timeWrapper.innerHTML += this.capFirst(moment(event.endDate, "x").format(this.config.dateEndFormat));
  					}
  					// For full day events we use the fullDayEventDateFormat
  					if (event.fullDayEvent) {
  						//subtract one second so that fullDayEvents end at 23:59:59, and not at 0:00:00 one the next day
  						event.endDate -= oneSecond;
  						timeWrapper.innerHTML = this.capFirst(moment(event.startDate, "x").format(this.config.fullDayEventDateFormat));
  					}
  					if (this.config.getRelative > 0 && event.startDate < now) {
  						// Ongoing and getRelative is set
  						timeWrapper.innerHTML = this.capFirst(
  							this.translate("RUNNING", {
  								fallback: this.translate("RUNNING") + " {timeUntilEnd}",
  								timeUntilEnd: moment(event.endDate, "x").fromNow(true)
  							})
  						);
  					} else if (this.config.urgency > 0 && event.startDate - now < this.config.urgency * oneDay) {
  						// Within urgency days
  						timeWrapper.innerHTML = this.capFirst(moment(event.startDate, "x").fromNow());
  					}
  					if (event.fullDayEvent && this.config.nextDaysRelative) {
  						// Full days events within the next two days
  						if (event.today) {
  							timeWrapper.innerHTML = this.capFirst(this.translate("TODAY"));
  						} else if (event.startDate - now < oneDay && event.startDate - now > 0) {
  							timeWrapper.innerHTML = this.capFirst(this.translate("TOMORROW"));
  						} else if (event.startDate - now < 2 * oneDay && event.startDate - now > 0) {
  							if (this.translate("DAYAFTERTOMORROW") !== "DAYAFTERTOMORROW") {
  								timeWrapper.innerHTML = this.capFirst(this.translate("DAYAFTERTOMORROW"));
  							}
  						}
  					}
  				} else {
  					// Show relative times
  					if (event.startDate >= now || (event.fullDayEvent && event.today)) {
  						// Use relative  time
  						if (!this.config.hideTime && !event.fullDayEvent) {
  							timeWrapper.innerHTML = this.capFirst(moment(event.startDate, "x").calendar(null, { sameElse: this.config.dateFormat }));
  						} else {
  							timeWrapper.innerHTML = this.capFirst(
  								moment(event.startDate, "x").calendar(null, {
  									sameDay: "[" + this.translate("TODAY") + "]",
  									nextDay: "[" + this.translate("TOMORROW") + "]",
  									nextWeek: "dddd",
  									sameElse: event.fullDayEvent ? this.config.fullDayEventDateFormat : this.config.dateFormat
  								})
  							);
  						}
  						if (event.fullDayEvent) {
  							// Full days events within the next two days
  							if (event.today) {
  								timeWrapper.innerHTML = this.capFirst(this.translate("TODAY"));
  							} else if (event.startDate - now < oneDay && event.startDate - now > 0) {
  								timeWrapper.innerHTML = this.capFirst(this.translate("TOMORROW"));
  							} else if (event.startDate - now < 2 * oneDay && event.startDate - now > 0) {
  								if (this.translate("DAYAFTERTOMORROW") !== "DAYAFTERTOMORROW") {
  									timeWrapper.innerHTML = this.capFirst(this.translate("DAYAFTERTOMORROW"));
  								}
  							}
  						} else if (event.startDate - now < this.config.getRelative * oneHour) {
  							// If event is within getRelative  hours, display 'in xxx' time format or moment.fromNow()
  							timeWrapper.innerHTML = this.capFirst(moment(event.startDate, "x").fromNow());
  						}
  					} else {
  						// Ongoing event
  						timeWrapper.innerHTML = this.capFirst(
  							this.translate("RUNNING", {
  								fallback: this.translate("RUNNING") + " {timeUntilEnd}",
  								timeUntilEnd: moment(event.endDate, "x").fromNow(true)
  							})
  						);
  					}
  				}
  				timeWrapper.className = "time light " + this.timeClassForUrl(event.url);
  				eventWrapper.appendChild(timeWrapper);
  			}
  
  			wrapper.appendChild(eventWrapper);
  
  			// Create fade effect.
  			if (index >= startFade) {
  				currentFadeStep = index - startFade;
  				eventWrapper.style.opacity = 1 - (1 / fadeSteps) * currentFadeStep;
  			}
  
  			if (this.config.showLocation) {
  				if (event.location !== false) {
  					const locationRow = document.createElement("tr");
  					locationRow.className = "normal xsmall light";
  
  					if (this.config.displaySymbol) {
  						const symbolCell = document.createElement("td");
  						locationRow.appendChild(symbolCell);
  					}
  
  					const descCell = document.createElement("td");
  					descCell.className = "location";
  					descCell.colSpan = "2";
  					descCell.innerHTML = this.titleTransform(event.location, this.config.locationTitleReplace, this.config.wrapLocationEvents, this.config.maxLocationTitleLength, this.config.maxEventTitleLines);
  					locationRow.appendChild(descCell);
  
  					wrapper.appendChild(locationRow);
  
  					if (index >= startFade) {
  						currentFadeStep = index - startFade;
  						locationRow.style.opacity = 1 - (1 / fadeSteps) * currentFadeStep;
  					}
  				}
  			}
  		});
  
  		return wrapper;
  	},
  
  	/**
  	 * This function accepts a number (either 12 or 24) and returns a moment.js LocaleSpecification with the
  	 * corresponding timeformat to be used in the calendar display. If no number is given (or otherwise invalid input)
  	 * it will a localeSpecification object with the system locale time format.
  	 *
  	 * @param {number} timeFormat Specifies either 12 or 24 hour time format
  	 * @returns {moment.LocaleSpecification} formatted time
  	 */
  	getLocaleSpecification: function (timeFormat) {
  		switch (timeFormat) {
  			case 12: {
  				return { longDateFormat: { LT: "h:mm A" } };
  			}
  			case 24: {
  				return { longDateFormat: { LT: "HH:mm" } };
  			}
  			default: {
  				return { longDateFormat: { LT: moment.localeData().longDateFormat("LT") } };
  			}
  		}
  	},
  
  	/**
  	 * Checks if this config contains the calendar url.
  	 *
  	 * @param {string} url The calendar url
  	 * @returns {boolean} True if the calendar config contains the url, False otherwise
  	 */
  	hasCalendarURL: function (url) {
  		for (const calendar of this.config.calendars) {
  			if (calendar.url === url) {
  				return true;
  			}
  		}
  
  		return false;
  	},
  
  	/**
  	 * Creates the sorted list of all events.
  	 *
  	 * @returns {object[]} Array with events.
  	 */
  	createEventList: function () {
  		const now = new Date();
  		const today = moment().startOf("day");
  		const future = moment().startOf("day").add(this.config.maximumNumberOfDays, "days").toDate();
  		let events = [];
  
  		for (const calendarUrl in this.calendarData) {
  			const calendar = this.calendarData[calendarUrl];
  			for (const e in calendar) {
  				const event = JSON.parse(JSON.stringify(calendar[e])); // clone object
  
  				if (event.endDate < now) {
  					continue;
  				}
  				if (this.config.hidePrivate) {
  					if (event.class === "PRIVATE") {
  						// do not add the current event, skip it
  						continue;
  					}
  				}
  				if (this.config.hideOngoing) {
  					if (event.startDate < now) {
  						continue;
  					}
  				}
  				if (this.listContainsEvent(events, event)) {
  					continue;
  				}
  				event.url = calendarUrl;
  				event.today = event.startDate >= today && event.startDate < today + 24 * 60 * 60 * 1000;
  
  				/* if sliceMultiDayEvents is set to true, multiday events (events exceeding at least one midnight) are sliced into days,
  				 * otherwise, esp. in dateheaders mode it is not clear how long these events are.
  				 */
  				const maxCount = Math.ceil((event.endDate - 1 - moment(event.startDate, "x").endOf("day").format("x")) / (1000 * 60 * 60 * 24)) + 1;
  				if (this.config.sliceMultiDayEvents && maxCount > 1) {
  					const splitEvents = [];
  					let midnight = moment(event.startDate, "x").clone().startOf("day").add(1, "day").format("x");
  					let count = 1;
  					while (event.endDate > midnight) {
  						const thisEvent = JSON.parse(JSON.stringify(event)); // clone object
  						thisEvent.today = thisEvent.startDate >= today && thisEvent.startDate < today + 24 * 60 * 60 * 1000;
  						thisEvent.endDate = midnight;
  						thisEvent.title += " (" + count + "/" + maxCount + ")";
  						splitEvents.push(thisEvent);
  
  						event.startDate = midnight;
  						count += 1;
  						midnight = moment(midnight, "x").add(1, "day").format("x"); // next day
  					}
  					// Last day
  					event.title += " (" + count + "/" + maxCount + ")";
  					splitEvents.push(event);
  
  					for (let splitEvent of splitEvents) {
  						if (splitEvent.endDate > now && splitEvent.endDate <= future) {
  							events.push(splitEvent);
  						}
  					}
  				} else {
  					events.push(event);
  				}
  			}
  		}
  
  		events.sort(function (a, b) {
  			return a.startDate - b.startDate;
  		});
  
  		// Limit the number of days displayed
  		// If limitDays is set > 0, limit display to that number of days
  		if (this.config.limitDays > 0) {
  			let newEvents = [];
  			let lastDate = today.clone().subtract(1, "days").format("YYYYMMDD");
  			let days = 0;
  			for (const ev of events) {
  				let eventDate = moment(ev.startDate, "x").format("YYYYMMDD");
  				// if date of event is later than lastdate
  				// check if we already are showing max unique days
  				if (eventDate > lastDate) {
  					// if the only entry in the first day is a full day event that day is not counted as unique
  					if (newEvents.length === 1 && days === 1 && newEvents[0].fullDayEvent) {
  						days--;
  					}
  					days++;
  					if (days > this.config.limitDays) {
  						continue;
  					} else {
  						lastDate = eventDate;
  					}
  				}
  				newEvents.push(ev);
  			}
  			events = newEvents;
  		}
  
  		return events.slice(0, this.config.maximumEntries);
  	},
  
  	listContainsEvent: function (eventList, event) {
  		for (const evt of eventList) {
  			if (evt.title === event.title && parseInt(evt.startDate) === parseInt(event.startDate)) {
  				return true;
  			}
  		}
  		return false;
  	},
  
  	/**
  	 * Requests node helper to add calendar url.
  	 *
  	 * @param {string} url The calendar url to add
  	 * @param {object} auth The authentication method and credentials
  	 * @param {object} calendarConfig The config of the specific calendar
  	 */
  	addCalendar: function (url, auth, calendarConfig) {
  		this.sendSocketNotification("ADD_CALENDAR", {
  			id: this.identifier,
  			url: url,
  			excludedEvents: calendarConfig.excludedEvents || this.config.excludedEvents,
  			maximumEntries: calendarConfig.maximumEntries || this.config.maximumEntries,
  			maximumNumberOfDays: calendarConfig.maximumNumberOfDays || this.config.maximumNumberOfDays,
  			fetchInterval: this.config.fetchInterval,
  			symbolClass: calendarConfig.symbolClass,
  			titleClass: calendarConfig.titleClass,
  			timeClass: calendarConfig.timeClass,
  			auth: auth,
  			broadcastPastEvents: calendarConfig.broadcastPastEvents || this.config.broadcastPastEvents,
  			selfSignedCert: calendarConfig.selfSignedCert || this.config.selfSignedCert
  		});
  	},
  
  	/**
  	 * Retrieves the symbols for a specific event.
  	 *
  	 * @param {object} event Event to look for.
  	 * @returns {string[]} The symbols
  	 */
  	symbolsForEvent: function (event) {
  		let symbols = this.getCalendarPropertyAsArray(event.url, "symbol", this.config.defaultSymbol);
  
  		if (event.recurringEvent === true && this.hasCalendarProperty(event.url, "recurringSymbol")) {
  			symbols = this.mergeUnique(this.getCalendarPropertyAsArray(event.url, "recurringSymbol", this.config.defaultSymbol), symbols);
  		}
  
  		if (event.fullDayEvent === true && this.hasCalendarProperty(event.url, "fullDaySymbol")) {
  			symbols = this.mergeUnique(this.getCalendarPropertyAsArray(event.url, "fullDaySymbol", this.config.defaultSymbol), symbols);
  		}
  
  		// If custom symbol is set, replace event symbol
  		for (let ev of this.config.customEvents) {
  			if (typeof ev.symbol !== "undefined" && ev.symbol !== "") {
  				let needle = new RegExp(ev.keyword, "gi");
  				if (needle.test(event.title)) {
  					symbols[0] = ev.symbol;
  					break;
  				}
  			}
  		}
  
  		return symbols;
  	},
  
  	mergeUnique: function (arr1, arr2) {
  		return arr1.concat(
  			arr2.filter(function (item) {
  				return arr1.indexOf(item) === -1;
  			})
  		);
  	},
  
  	/**
  	 * Retrieves the symbolClass for a specific calendar url.
  	 *
  	 * @param {string} url The calendar url
  	 * @returns {string} The class to be used for the symbols of the calendar
  	 */
  	symbolClassForUrl: function (url) {
  		return this.getCalendarProperty(url, "symbolClass", "");
  	},
  
  	/**
  	 * Retrieves the titleClass for a specific calendar url.
  	 *
  	 * @param {string} url The calendar url
  	 * @returns {string} The class to be used for the title of the calendar
  	 */
  	titleClassForUrl: function (url) {
  		return this.getCalendarProperty(url, "titleClass", "");
  	},
  
  	/**
  	 * Retrieves the timeClass for a specific calendar url.
  	 *
  	 * @param {string} url The calendar url
  	 * @returns {string} The class to be used for the time of the calendar
  	 */
  	timeClassForUrl: function (url) {
  		return this.getCalendarProperty(url, "timeClass", "");
  	},
  
  	/**
  	 * Retrieves the calendar name for a specific calendar url.
  	 *
  	 * @param {string} url The calendar url
  	 * @returns {string} The name of the calendar
  	 */
  	calendarNameForUrl: function (url) {
  		return this.getCalendarProperty(url, "name", "");
  	},
  
  	/**
  	 * Retrieves the color for a specific calendar url.
  	 *
  	 * @param {string} url The calendar url
  	 * @returns {string} The color
  	 */
  	colorForUrl: function (url) {
  		return this.getCalendarProperty(url, "color", "#fff");
  	},
  
  	/**
  	 * Retrieves the count title for a specific calendar url.
  	 *
  	 * @param {string} url The calendar url
  	 * @returns {string} The title
  	 */
  	countTitleForUrl: function (url) {
  		return this.getCalendarProperty(url, "repeatingCountTitle", this.config.defaultRepeatingCountTitle);
  	},
  
  	/**
  	 * Helper method to retrieve the property for a specific calendar url.
  	 *
  	 * @param {string} url The calendar url
  	 * @param {string} property The property to look for
  	 * @param {string} defaultValue The value if the property is not found
  	 * @returns {*} The property
  	 */
  	getCalendarProperty: function (url, property, defaultValue) {
  		for (const calendar of this.config.calendars) {
  			if (calendar.url === url && calendar.hasOwnProperty(property)) {
  				return calendar[property];
  			}
  		}
  
  		return defaultValue;
  	},
  
  	getCalendarPropertyAsArray: function (url, property, defaultValue) {
  		let p = this.getCalendarProperty(url, property, defaultValue);
  		if (!(p instanceof Array)) p = [p];
  		return p;
  	},
  
  	hasCalendarProperty: function (url, property) {
  		return !!this.getCalendarProperty(url, property, undefined);
  	},
  
  	/**
  	 * Shortens a string if it's longer than maxLength and add a ellipsis to the end
  	 *
  	 * @param {string} string Text string to shorten
  	 * @param {number} maxLength The max length of the string
  	 * @param {boolean} wrapEvents Wrap the text after the line has reached maxLength
  	 * @param {number} maxTitleLines The max number of vertical lines before cutting event title
  	 * @returns {string} The shortened string
  	 */
  	shorten: function (string, maxLength, wrapEvents, maxTitleLines) {
  		if (typeof string !== "string") {
  			return "";
  		}
  
  		if (wrapEvents === true) {
  			const words = string.split(" ");
  			let temp = "";
  			let currentLine = "";
  			let line = 0;
  
  			for (let i = 0; i < words.length; i++) {
  				const word = words[i];
  				if (currentLine.length + word.length < (typeof maxLength === "number" ? maxLength : 25) - 1) {
  					// max - 1 to account for a space
  					currentLine += word + " ";
  				} else {
  					line++;
  					if (line > maxTitleLines - 1) {
  						if (i < words.length) {
  							currentLine += "&hellip;";
  						}
  						break;
  					}
  
  					if (currentLine.length > 0) {
  						temp += currentLine + "<br>" + word + " ";
  					} else {
  						temp += word + "<br>";
  					}
  					currentLine = "";
  				}
  			}
  
  			return (temp + currentLine).trim();
  		} else {
  			if (maxLength && typeof maxLength === "number" && string.length > maxLength) {
  				return string.trim().slice(0, maxLength) + "&hellip;";
  			} else {
  				return string.trim();
  			}
  		}
  	},
  
  	/**
  	 * Capitalize the first letter of a string
  	 *
  	 * @param {string} string The string to capitalize
  	 * @returns {string} The capitalized string
  	 */
  	capFirst: function (string) {
  		return string.charAt(0).toUpperCase() + string.slice(1);
  	},
  
  	/**
  	 * Transforms the title of an event for usage.
  	 * Replaces parts of the text as defined in config.titleReplace.
  	 * Shortens title based on config.maxTitleLength and config.wrapEvents
  	 *
  	 * @param {string} title The title to transform.
  	 * @param {object} titleReplace Pairs of strings to be replaced in the title
  	 * @param {boolean} wrapEvents Wrap the text after the line has reached maxLength
  	 * @param {number} maxTitleLength The max length of the string
  	 * @param {number} maxTitleLines The max number of vertical lines before cutting event title
  	 * @returns {string} The transformed title.
  	 */
  	titleTransform: function (title, titleReplace, wrapEvents, maxTitleLength, maxTitleLines) {
  		for (let needle in titleReplace) {
  			const replacement = titleReplace[needle];
  
  			const regParts = needle.match(/^\/(.+)\/([gim]*)$/);
  			if (regParts) {
  				// the parsed pattern is a regexp.
  				needle = new RegExp(regParts[1], regParts[2]);
  			}
  
  			title = title.replace(needle, replacement);
  		}
  
  		title = this.shorten(title, maxTitleLength, wrapEvents, maxTitleLines);
  		return title;
  	},
  
  	/**
  	 * Broadcasts the events to all other modules for reuse.
  	 * The all events available in one array, sorted on startdate.
  	 */
  	broadcastEvents: function () {
  		const eventList = [];
  		for (const url in this.calendarData) {
  			for (const ev of this.calendarData[url]) {
  				const event = cloneObject(ev);
  				event.symbol = this.symbolsForEvent(event);
  				event.calendarName = this.calendarNameForUrl(url);
  				event.color = this.colorForUrl(url);
  				delete event.url;
  				eventList.push(event);
  			}
  		}
  
  		eventList.sort(function (a, b) {
  			return a.startDate - b.startDate;
  		});
  
  		this.sendNotification("CALENDAR_EVENTS", eventList);
  	}
  });
  