var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

/*! flatpickr v2.3.0-2, @license MIT */
function Flatpickr(element, config) {
	var self = this;

	function init() {
		if (element._flatpickr) destroy(element._flatpickr);

		element._flatpickr = self;

		self.element = element;
		self.instanceConfig = config || {};

		setupFormats();

		parseConfig();
		setupLocale();
		setupInputs();
		setupDates();

		setupHelperFunctions();

		self.isOpen = self.config.inline;
		self.changeMonth = changeMonth;
		self.clear = clear;
		self.close = close;
		self.destroy = destroy;
		self.formatDate = formatDate;
		self.jumpToDate = jumpToDate;
		self.open = open;
		self.redraw = redraw;
		self.set = set;
		self.setDate = setDate;
		self.toggle = toggle;

		self.isMobile = !self.config.disableMobile && !self.config.inline && self.config.mode === "single" && !self.config.disable.length && !self.config.enable.length && /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);

		if (!self.isMobile) build();

		bind();

		if (!self.isMobile) {
			Object.defineProperty(self, "dateIsPicked", {
				set: function set(bool) {
					if (bool) return self.calendarContainer.classList.add("dateIsPicked");
					self.calendarContainer.classList.remove("dateIsPicked");
				}
			});
		}

		self.dateIsPicked = self.selectedDates.length > 0 || self.config.noCalendar;

		if (self.selectedDates.length) {
			if (self.config.enableTime) setHoursFromDate();
			updateValue();
		}

		if (self.config.weekNumbers) {
			self.calendarContainer.style.width = self.days.clientWidth + self.weekWrapper.clientWidth + "px";
		}

		triggerEvent("Ready");
	}

	function updateTime(e) {
		if (self.config.noCalendar && !self.selectedDates.length)
			// picking time only
			self.selectedDates = [self.now];

		timeWrapper(e);

		if (!self.selectedDates.length) return;

		if (!self.minDateHasTime || e.type !== "input" || e.target.value.length >= 2) {
			setHoursFromInputs();
			updateValue();
		} else {
			setTimeout(function () {
				setHoursFromInputs();
				updateValue();
			}, 1000);
		}
	}

	function setHoursFromInputs() {
		if (!self.config.enableTime) return;

		var hours = parseInt(self.hourElement.value, 10) || 0,
		    minutes = parseInt(self.minuteElement.value, 10) || 0,
		    seconds = self.config.enableSeconds ? parseInt(self.secondElement.value, 10) || 0 : 0;

		if (self.amPM) hours = hours % 12 + 12 * (self.amPM.textContent === "PM");

		if (self.minDateHasTime && compareDates(self.latestSelectedDateObj, self.config.minDate) === 0) {

			hours = Math.max(hours, self.config.minDate.getHours());
			if (hours === self.config.minDate.getHours()) minutes = Math.max(minutes, self.config.minDate.getMinutes());
		} else if (self.maxDateHasTime && compareDates(self.latestSelectedDateObj, self.config.maxDate) === 0) {
			hours = Math.min(hours, self.config.maxDate.getHours());
			if (hours === self.config.maxDate.getHours()) minutes = Math.min(minutes, self.config.maxDate.getMinutes());
		}

		setHours(hours, minutes, seconds);
	}

	function setHoursFromDate(dateObj) {
		var date = dateObj || self.latestSelectedDateObj;

		if (date) setHours(date.getHours(), date.getMinutes(), date.getSeconds());
	}

	function setHours(hours, minutes, seconds) {
		if (self.selectedDates.length) {
			self.latestSelectedDateObj.setHours(hours % 24, minutes, seconds || 0, 0);
		}

		if (!self.config.enableTime || self.isMobile) return;

		self.hourElement.value = self.pad(!self.config.time_24hr ? (12 + hours) % 12 + 12 * (hours % 12 === 0) : hours);

		self.minuteElement.value = self.pad(minutes);

		if (!self.config.time_24hr && self.selectedDates.length) self.amPM.textContent = self.latestSelectedDateObj.getHours() >= 12 ? "PM" : "AM";

		if (self.config.enableSeconds) self.secondElement.value = self.pad(seconds);
	}

	function onYearInput(event) {
		if (event.target.value.length === 4) {
			self.currentYearElement.blur();
			handleYearChange(event.target.value);
			event.target.value = self.currentYear;
		}
	}

	function bind() {
		if (self.config.wrap) {
			["open", "close", "toggle", "clear"].forEach(function (el) {
				try {
					self.element.querySelector("[data-" + el + "]").addEventListener("click", self[el]);
				} catch (e) {
					//
				}
			});
		}

		if ("createEvent" in window.document) {
			self.changeEvent = window.document.createEvent("HTMLEvents");
			self.changeEvent.initEvent("change", false, true);
		}

		if (self.isMobile) return setupMobile();

		self.debouncedResize = debounce(onResize, 50);
		self.triggerChange = function () {
			return triggerEvent("Change");
		};
		self.debouncedChange = debounce(self.triggerChange, 1000);

		if (self.config.mode === "range" && self.days) self.days.addEventListener("mouseover", onMouseOver);

		window.document.addEventListener("keydown", onKeyDown);

		if (!self.config.inline && !self.config.static) window.addEventListener("resize", self.debouncedResize);

		if (window.ontouchstart) window.document.addEventListener("touchstart", documentClick);

		window.document.addEventListener("click", documentClick);
		window.document.addEventListener("blur", documentClick);

		if (self.config.clickOpens) (self.altInput || self.input).addEventListener("focus", open);

		if (!self.config.noCalendar) {
			self.prevMonthNav.addEventListener("click", function () {
				return changeMonth(-1);
			});
			self.nextMonthNav.addEventListener("click", function () {
				return changeMonth(1);
			});

			self.currentYearElement.addEventListener("wheel", function (e) {
				return debounce(yearScroll(e), 50);
			});
			self.currentYearElement.addEventListener("focus", function () {
				self.currentYearElement.select();
			});

			self.currentYearElement.addEventListener("input", onYearInput);
			self.currentYearElement.addEventListener("increment", onYearInput);

			self.days.addEventListener("click", selectDate);
		}

		if (self.config.enableTime) {
			self.timeContainer.addEventListener("transitionend", positionCalendar);
			self.timeContainer.addEventListener("wheel", function (e) {
				return debounce(updateTime(e), 5);
			});
			self.timeContainer.addEventListener("input", updateTime);
			self.timeContainer.addEventListener("increment", updateTime);

			self.timeContainer.addEventListener("wheel", self.debouncedChange);
			self.timeContainer.addEventListener("input", self.triggerChange);

			self.hourElement.addEventListener("focus", function () {
				self.hourElement.select();
			});
			self.minuteElement.addEventListener("focus", function () {
				self.minuteElement.select();
			});

			if (self.secondElement) {
				self.secondElement.addEventListener("focus", function () {
					self.secondElement.select();
				});
			}

			if (self.amPM) {
				self.amPM.addEventListener("click", function (e) {
					updateTime(e);
					self.triggerChange(e);
				});
			}
		}
	}

	function jumpToDate(jumpDate) {
		jumpDate = jumpDate ? self.parseDate(jumpDate) : self.latestSelectedDateObj || (self.config.minDate > self.now ? self.config.minDate : self.config.maxDate && self.config.maxDate < self.now ? self.config.maxDate : self.now);

		try {
			self.currentYear = jumpDate.getFullYear();
			self.currentMonth = jumpDate.getMonth();
		} catch (e) {
			console.error(e.stack);
			console.warn("Invalid date supplied: " + jumpDate);
		}

		self.redraw();
	}

	function incrementNumInput(e, delta) {
		var input = e.target.parentNode.childNodes[0];
		input.value = parseInt(input.value, 10) + delta * (input.step || 1);

		try {
			input.dispatchEvent(new Event("increment", { "bubbles": true }));
		} catch (e) {
			var ev = window.document.createEvent("CustomEvent");
			ev.initCustomEvent("increment", true, true, {});
			input.dispatchEvent(ev);
		}
	}

	function createNumberInput(inputClassName) {
		var wrapper = createElement("div", "numInputWrapper"),
		    numInput = createElement("input", "numInput " + inputClassName),
		    arrowUp = createElement("span", "arrowUp"),
		    arrowDown = createElement("span", "arrowDown");

		numInput.type = "text";
		wrapper.appendChild(numInput);
		wrapper.appendChild(arrowUp);
		wrapper.appendChild(arrowDown);

		arrowUp.addEventListener("click", function (e) {
			return incrementNumInput(e, 1);
		});
		arrowDown.addEventListener("click", function (e) {
			return incrementNumInput(e, -1);
		});
		return wrapper;
	}

	function build() {
		var fragment = window.document.createDocumentFragment();
		self.calendarContainer = createElement("div", "flatpickr-calendar");
		self.numInputType = navigator.userAgent.indexOf("MSIE 9.0") > 0 ? "text" : "number";

		if (!self.config.noCalendar) {
			fragment.appendChild(buildMonthNav());
			self.innerContainer = createElement("div", "flatpickr-innerContainer");

			if (self.config.weekNumbers) self.innerContainer.appendChild(buildWeeks());

			self.rContainer = createElement("div", "flatpickr-rContainer");
			self.rContainer.appendChild(buildWeekdays());
			self.rContainer.appendChild(buildDays());
			self.innerContainer.appendChild(self.rContainer);
			fragment.appendChild(self.innerContainer);
		}

		if (self.config.enableTime) fragment.appendChild(buildTime());

		if (self.config.mode === "range") self.calendarContainer.classList.add("rangeMode");

		self.calendarContainer.appendChild(fragment);

		if (self.config.inline || self.config.static) {
			self.calendarContainer.classList.add(self.config.inline ? "inline" : "static");
			positionCalendar();

			if (self.config.appendTo && self.config.appendTo.nodeType) self.config.appendTo.appendChild(self.calendarContainer);else {
				self.element.parentNode.insertBefore(self.calendarContainer, (self.altInput || self.input).nextSibling);
			}
		} else window.document.body.appendChild(self.calendarContainer);
	}

	function createDay(className, date, dayNumber) {
		var dateIsEnabled = isEnabled(date, true),
		    dayElement = createElement("span", "flatpickr-day " + className, date.getDate());

		dayElement.dateObj = date;

		if (compareDates(date, self.now) === 0) dayElement.classList.add("today");

		if (dateIsEnabled) {
			dayElement.tabIndex = 0;

			if (isDateSelected(date)) {
				dayElement.classList.add("selected");

				if (self.config.mode === "range") {
					dayElement.classList.add(compareDates(date, self.selectedDates[0]) === 0 ? "startRange" : "endRange");
				} else self.selectedDateElem = dayElement;
			}
		} else {
			dayElement.classList.add("disabled");
			if (self.selectedDates[0] && date > self.minRangeDate && date < self.selectedDates[0]) self.minRangeDate = date;else if (self.selectedDates[0] && date < self.maxRangeDate && date > self.selectedDates[0]) self.maxRangeDate = date;
		}

		if (self.config.mode === "range") {
			if (isDateInRange(date) && !isDateSelected(date)) dayElement.classList.add("inRange");

			if (self.selectedDates.length === 1 && (date < self.minRangeDate || date > self.maxRangeDate)) dayElement.classList.add("notAllowed");
		}

		if (self.config.weekNumbers && className !== "prevMonthDay" && dayNumber % 7 === 1) {
			self.weekNumbers.insertAdjacentHTML("beforeend", "<span class='disabled flatpickr-day'>" + self.config.getWeek(date) + "</span>");
		}

		triggerEvent("DayCreate", dayElement);

		return dayElement;
	}

	function buildDays() {
		if (!self.days) {
			self.days = createElement("div", "flatpickr-days");
			self.days.tabIndex = -1;
		}

		self.firstOfMonth = (new Date(self.currentYear, self.currentMonth, 1).getDay() - self.l10n.firstDayOfWeek + 7) % 7;

		self.prevMonthDays = self.utils.getDaysinMonth((self.currentMonth - 1 + 12) % 12);

		var daysInMonth = self.utils.getDaysinMonth(),
		    days = window.document.createDocumentFragment();

		var dayNumber = self.prevMonthDays + 1 - self.firstOfMonth;

		if (self.config.weekNumbers && self.weekNumbers.firstChild) self.weekNumbers.textContent = "";

		if (self.config.mode === "range") {
			// const dateLimits = self.config.enable.length || self.config.disable.length || self.config.mixDate || self.config.maxDate;
			self.minRangeDate = new Date(self.currentYear, self.currentMonth - 1, dayNumber);
			self.maxRangeDate = new Date(self.currentYear, self.currentMonth + 1, (42 - self.firstOfMonth) % daysInMonth);
		}

		if (self.days.firstChild) self.days.textContent = "";

		// prepend days from the ending of previous month
		for (var i = 0; dayNumber <= self.prevMonthDays; i++, dayNumber++) {
			days.appendChild(createDay("prevMonthDay", new Date(self.currentYear, self.currentMonth - 1, dayNumber), dayNumber));
		}

		// Start at 1 since there is no 0th day
		for (dayNumber = 1; dayNumber <= daysInMonth; dayNumber++) {
			days.appendChild(createDay("", new Date(self.currentYear, self.currentMonth, dayNumber), dayNumber));
		}

		// append days from the next month
		for (var dayNum = daysInMonth + 1; dayNum <= 42 - self.firstOfMonth; dayNum++) {
			days.appendChild(createDay("nextMonthDay", new Date(self.currentYear, self.currentMonth + 1, dayNum % daysInMonth), dayNum));
		}

		self.days.appendChild(days);
		return self.days;
	}

	function buildMonthNav() {
		var monthNavFragment = window.document.createDocumentFragment();
		self.monthNav = createElement("div", "flatpickr-month");

		self.prevMonthNav = createElement("span", "flatpickr-prev-month");
		self.prevMonthNav.innerHTML = self.config.prevArrow;

		self.currentMonthElement = createElement("span", "cur-month");

		var yearInput = createNumberInput("cur-year");
		self.currentYearElement = yearInput.childNodes[0];
		self.currentYearElement.title = self.l10n.scrollTitle;

		if (self.config.minDate) self.currentYearElement.min = self.config.minDate.getFullYear();

		if (self.config.maxDate) {
			self.currentYearElement.max = self.config.maxDate.getFullYear();

			self.currentYearElement.disabled = self.config.minDate && self.config.minDate.getFullYear() === self.config.maxDate.getFullYear();
		}

		self.nextMonthNav = createElement("span", "flatpickr-next-month");
		self.nextMonthNav.innerHTML = self.config.nextArrow;

		self.navigationCurrentMonth = createElement("span", "flatpickr-current-month");
		self.navigationCurrentMonth.appendChild(self.currentMonthElement);
		self.navigationCurrentMonth.appendChild(yearInput);

		monthNavFragment.appendChild(self.prevMonthNav);
		monthNavFragment.appendChild(self.navigationCurrentMonth);
		monthNavFragment.appendChild(self.nextMonthNav);
		self.monthNav.appendChild(monthNavFragment);

		updateNavigationCurrentMonth();

		return self.monthNav;
	}

	function buildTime() {
		self.calendarContainer.classList.add("hasTime");
		if (self.config.noCalendar) self.calendarContainer.classList.add("noCalendar");
		self.timeContainer = createElement("div", "flatpickr-time");
		self.timeContainer.tabIndex = -1;
		var separator = createElement("span", "flatpickr-time-separator", ":");

		var hourInput = createNumberInput("flatpickr-hour");
		self.hourElement = hourInput.childNodes[0];

		var minuteInput = createNumberInput("flatpickr-minute");
		self.minuteElement = minuteInput.childNodes[0];

		self.hourElement.tabIndex = self.minuteElement.tabIndex = 0;
		self.hourElement.pattern = self.minuteElement.pattern = "\d*";

		self.hourElement.value = self.pad(self.latestSelectedDateObj ? self.latestSelectedDateObj.getHours() : self.config.defaultHour);

		self.minuteElement.value = self.pad(self.latestSelectedDateObj ? self.latestSelectedDateObj.getMinutes() : self.config.defaultMinute);

		self.hourElement.step = self.config.hourIncrement;
		self.minuteElement.step = self.config.minuteIncrement;

		self.hourElement.min = self.config.time_24hr ? 0 : 1;
		self.hourElement.max = self.config.time_24hr ? 23 : 12;

		self.minuteElement.min = 0;
		self.minuteElement.max = 59;

		self.hourElement.title = self.minuteElement.title = self.l10n.scrollTitle;

		self.timeContainer.appendChild(hourInput);
		self.timeContainer.appendChild(separator);
		self.timeContainer.appendChild(minuteInput);

		if (self.config.time_24hr) self.timeContainer.classList.add("time24hr");

		if (self.config.enableSeconds) {
			self.timeContainer.classList.add("hasSeconds");

			var secondInput = createNumberInput("flatpickr-second");
			self.secondElement = secondInput.childNodes[0];

			self.secondElement.pattern = self.hourElement.pattern;
			self.secondElement.value = self.latestSelectedDateObj ? self.pad(self.latestSelectedDateObj.getSeconds()) : "00";

			self.secondElement.step = self.minuteElement.step;
			self.secondElement.min = self.minuteElement.min;
			self.secondElement.max = self.minuteElement.max;

			self.timeContainer.appendChild(createElement("span", "flatpickr-time-separator", ":"));
			self.timeContainer.appendChild(secondInput);
		}

		if (!self.config.time_24hr) {
			// add self.amPM if appropriate
			self.amPM = createElement("span", "flatpickr-am-pm", ["AM", "PM"][self.hourElement.value > 11 | 0]);
			self.amPM.title = self.l10n.toggleTitle;
			self.amPM.tabIndex = 0;
			self.timeContainer.appendChild(self.amPM);
		}

		return self.timeContainer;
	}

	function buildWeekdays() {
		if (!self.weekdayContainer) self.weekdayContainer = createElement("div", "flatpickr-weekdays");

		var firstDayOfWeek = self.l10n.firstDayOfWeek;
		var weekdays = self.l10n.weekdays.shorthand.slice();

		if (firstDayOfWeek > 0 && firstDayOfWeek < weekdays.length) {
			weekdays = [].concat(weekdays.splice(firstDayOfWeek, weekdays.length), weekdays.splice(0, firstDayOfWeek));
		}

		self.weekdayContainer.innerHTML = "\n\t\t<span class=flatpickr-weekday>\n\t\t\t" + weekdays.join("</span><span class=flatpickr-weekday>") + "\n\t\t</span>\n\t\t";

		return self.weekdayContainer;
	}

	/* istanbul ignore next */
	function buildWeeks() {
		self.calendarContainer.classList.add("hasWeeks");
		self.weekWrapper = createElement("div", "flatpickr-weekwrapper");
		self.weekWrapper.appendChild(createElement("span", "flatpickr-weekday", self.l10n.weekAbbreviation));
		self.weekNumbers = createElement("div", "flatpickr-weeks");
		self.weekWrapper.appendChild(self.weekNumbers);

		return self.weekWrapper;
	}

	function changeMonth(value, is_offset) {
		self.currentMonth = typeof is_offset === "undefined" || is_offset ? self.currentMonth + value : value;

		handleYearChange();
		updateNavigationCurrentMonth();
		buildDays();

		if (!self.config.noCalendar) self.days.focus();

		triggerEvent("MonthChange");
	}

	function clear(triggerChangeEvent) {
		self.input.value = "";

		if (self.altInput) self.altInput.value = "";

		if (self.mobileInput) self.mobileInput.value = "";

		self.selectedDates = [];
		self.latestSelectedDateObj = null;
		self.dateIsPicked = false;

		self.redraw();

		if (triggerChangeEvent !== false)
			// triggerChangeEvent is true (default) or an Event
			triggerEvent("Change");
	}

	function close() {
		self.isOpen = false;

		if (!self.isMobile) {
			self.calendarContainer.classList.remove("open");
			(self.altInput || self.input).classList.remove("active");
		}

		triggerEvent("Close");
	}

	function destroy(instance) {
		instance = instance || self;
		instance.clear(false);

		window.document.removeEventListener("keydown", onKeyDown);
		window.removeEventListener("resize", instance.debouncedResize);

		window.document.removeEventListener("click", documentClick);
		window.document.removeEventListener("touchstart", documentClick);
		window.document.removeEventListener("blur", documentClick);

		if (instance.timeContainer) instance.timeContainer.removeEventListener("transitionend", positionCalendar);

		if (instance.mobileInput && instance.mobileInput.parentNode) instance.mobileInput.parentNode.removeChild(instance.mobileInput);else if (instance.calendarContainer && instance.calendarContainer.parentNode) instance.calendarContainer.parentNode.removeChild(instance.calendarContainer);

		if (instance.altInput) {
			instance.input.type = "text";
			if (instance.altInput.parentNode) instance.altInput.parentNode.removeChild(instance.altInput);
		}

		instance.input.classList.remove("flatpickr-input");
		instance.input.removeEventListener("focus", open);
		instance.input.removeAttribute("readonly");

		delete instance.input._flatpickr;
	}

	function isCalendarElem(elem) {
		var e = elem;
		while (e) {
			if (/flatpickr-day|flatpickr-calendar/.test(e.className)) return true;
			e = e.parentNode;
		}

		return false;
	}

	function documentClick(e) {
		var isInput = self.element.contains(e.target) || e.target === self.input || e.target === self.altInput || e.path && (~e.path.indexOf(self.input) || ~e.path.indexOf(self.altInput));

		if (self.isOpen && !self.config.inline && !isCalendarElem(e.target) && !isInput) {
			e.preventDefault();
			self.close();

			if (self.config.mode === "range" && self.selectedDates.length === 1) {
				self.clear();
				self.redraw();
			}
		}
	}

	function formatDate(frmt, dateObj) {
		if (self.config.formatDate) return self.config.formatDate(frmt, dateObj);

		var chars = frmt.split("");
		return chars.map(function (c, i) {
			return self.formats[c] && chars[i - 1] !== "\\" ? self.formats[c](dateObj) : c !== "\\" ? c : "";
		}).join("");
	}

	function handleYearChange(newYear) {
		if (self.currentMonth < 0 || self.currentMonth > 11) {
			self.currentYear += self.currentMonth % 11;
			self.currentMonth = (self.currentMonth + 12) % 12;

			triggerEvent("YearChange");
		} else if (newYear && (!self.currentYearElement.min || newYear >= self.currentYearElement.min) && (!self.currentYearElement.max || newYear <= self.currentYearElement.max)) {
			self.currentYear = parseInt(newYear, 10) || self.currentYear;

			if (self.config.maxDate && self.currentYear === self.config.maxDate.getFullYear()) {
				self.currentMonth = Math.min(self.config.maxDate.getMonth(), self.currentMonth);
			} else if (self.config.minDate && self.currentYear === self.config.minDate.getFullYear()) {
				self.currentMonth = Math.max(self.config.minDate.getMonth(), self.currentMonth);
			}

			self.redraw();
			triggerEvent("YearChange");
		}
	}

	function isEnabled(date, timeless) {
		var ltmin = compareDates(date, self.config.minDate, typeof timeless !== "undefined" ? timeless : !self.minDateHasTime) < 0;
		var gtmax = compareDates(date, self.config.maxDate, typeof timeless !== "undefined" ? timeless : !self.maxDateHasTime) > 0;

		if (ltmin || gtmax) return false;

		if (!self.config.enable.length && !self.config.disable.length) return true;

		var dateToCheck = self.parseDate(date, true); // timeless

		var bool = self.config.enable.length > 0,
		    array = bool ? self.config.enable : self.config.disable;

		for (var i = 0, d; i < array.length; i++) {
			d = array[i];

			if (d instanceof Function && d(dateToCheck)) // disabled by function
				return bool;else if (d instanceof Date && d.getTime() === dateToCheck.getTime())
				// disabled by date string
				return bool;else if ( // disabled by range
			(typeof d === "undefined" ? "undefined" : _typeof(d)) === "object" && d.from && d.to && dateToCheck >= d.from && dateToCheck <= d.to) return bool;
		}

		return !bool;
	}

	function onKeyDown(e) {
		if (self.isOpen) {
			switch (e.which) {
				case 13:
					if (self.timeContainer && self.timeContainer.contains(e.target)) updateValue();else selectDate(e);

					break;

				case 27:
					// escape
					self.clear();
					self.redraw();
					self.close();
					break;

				case 37:
					if (e.target !== self.input & e.target !== self.altInput) changeMonth(-1);
					break;

				case 38:
					e.preventDefault();

					if (self.timeContainer && self.timeContainer.contains(e.target)) updateTime(e);else {
						self.currentYear++;
						self.redraw();
					}

					break;

				case 39:
					if (e.target !== self.input & e.target !== self.altInput) changeMonth(1);
					break;

				case 40:
					e.preventDefault();
					if (self.timeContainer && self.timeContainer.contains(e.target)) updateTime(e);else {
						self.currentYear--;
						self.redraw();
					}

					break;

				default:
					break;
			}
		}
	}

	function onMouseOver(e) {
		if (self.selectedDates.length !== 1 || !e.target.classList.contains("flatpickr-day")) return;

		var hoverDate = e.target.dateObj,
		    initialDate = self.parseDate(self.selectedDates[0], true),
		    rangeStartDate = Math.min(hoverDate.getTime(), self.selectedDates[0].getTime()),
		    rangeEndDate = Math.max(hoverDate.getTime(), self.selectedDates[0].getTime()),
		    containsDisabled = false;

		for (var t = rangeStartDate; t < rangeEndDate; t += self.utils.duration.DAY) {
			if (!isEnabled(new Date(t))) {
				containsDisabled = true;
				break;
			}
		}

		for (var timestamp = self.days.childNodes[0].dateObj.getTime(), i = 0; i < 42; i++, timestamp += self.utils.duration.DAY) {
			var outOfRange = timestamp < self.minRangeDate.getTime() || timestamp > self.maxRangeDate.getTime();

			if (outOfRange) {
				self.days.childNodes[i].classList.add("notAllowed");
				self.days.childNodes[i].classList.remove("inRange", "startRange", "endRange");
				continue;
			} else if (containsDisabled && !outOfRange) continue;

			self.days.childNodes[i].classList.remove("startRange", "inRange", "endRange", "notAllowed");

			var minRangeDate = Math.max(self.minRangeDate.getTime(), rangeStartDate),
			    maxRangeDate = Math.min(self.maxRangeDate.getTime(), rangeEndDate);

			e.target.classList.add(hoverDate < self.selectedDates[0] ? "startRange" : "endRange");

			if (initialDate > hoverDate && timestamp === initialDate.getTime()) self.days.childNodes[i].classList.add("endRange");else if (initialDate < hoverDate && timestamp === initialDate.getTime()) self.days.childNodes[i].classList.add("startRange");else if (timestamp > minRangeDate && timestamp < maxRangeDate) self.days.childNodes[i].classList.add("inRange");
		}
	}

	function onResize() {
		if (self.isOpen && !self.config.static && !self.config.inline) positionCalendar();
	}

	function open(e) {
		if (self.isMobile) {
			if (e) {
				e.preventDefault();
				e.target.blur();
			}

			setTimeout(function () {
				self.mobileInput.click();
			}, 0);

			triggerEvent("Open");
			return;
		} else if (self.isOpen || (self.altInput || self.input).disabled || self.config.inline) return;

		self.calendarContainer.classList.add("open");

		if (!self.config.static && !self.config.inline && !self.calendarContainer.style.top) positionCalendar();

		self.isOpen = true;

		if (!self.config.allowInput) {
			(self.altInput || self.input).blur();
			(self.config.noCalendar ? self.timeContainer : self.selectedDateElem ? self.selectedDateElem : self.days).focus();
		}

		(self.altInput || self.input).classList.add("active");
		triggerEvent("Open");
	}

	function minMaxDateSetter(type) {
		return function (date) {
			var dateObj = self.config["_" + type + "Date"] = self.parseDate(date);
			var inverseDateObj = self.config["_" + (type === "min" ? "max" : "min") + "Date"];

			if (self.selectedDates) {
				self.selectedDates = self.selectedDates.filter(isEnabled);
				updateValue();
			}

			if (self.days) redraw();

			if (!self.currentYearElement) return;

			if (date && dateObj instanceof Date) {
				self[type + "DateHasTime"] = dateObj.getHours() || dateObj.getMinutes() || dateObj.getSeconds();

				self.currentYearElement[type] = dateObj.getFullYear();
			} else self.currentYearElement.removeAttribute(type);

			self.currentYearElement.disabled = inverseDateObj && dateObj && inverseDateObj.getFullYear() === dateObj.getFullYear();
		};
	}

	function parseConfig() {
		var boolOpts = ["utc", "wrap", "weekNumbers", "allowInput", "clickOpens", "time_24hr", "enableTime", "noCalendar", "altInput", "shorthandCurrentMonth", "inline", "static", "enableSeconds", "disableMobile"];
		self.config = Object.create(Flatpickr.defaultConfig);

		Object.defineProperty(self.config, "minDate", {
			get: function get() {
				return this._minDate;
			},
			set: minMaxDateSetter("min")
		});

		Object.defineProperty(self.config, "maxDate", {
			get: function get() {
				return this._maxDate;
			},
			set: minMaxDateSetter("max")
		});

		var userConfig = _extends({}, self.instanceConfig, JSON.parse(JSON.stringify(self.element.dataset || {})));

		_extends(self.config, userConfig);

		for (var i = 0; i < boolOpts.length; i++) {
			self.config[boolOpts[i]] = self.config[boolOpts[i]] === true || self.config[boolOpts[i]] === "true";
		}if (!userConfig.dateFormat && userConfig.enableTime) {
			self.config.dateFormat = self.config.noCalendar ? "H:i" + (self.config.enableSeconds ? ":S" : "") : Flatpickr.defaultConfig.dateFormat + " H:i" + (self.config.enableSeconds ? ":S" : "");
		}

		if (userConfig.altInput && userConfig.enableTime && !userConfig.altFormat) {
			self.config.altFormat = self.config.noCalendar ? "h:i" + (self.config.enableSeconds ? ":S K" : " K") : Flatpickr.defaultConfig.altFormat + (" h:i" + (self.config.enableSeconds ? ":S" : "") + " K");
		}
	}

	function setupLocale() {
		if (_typeof(self.config.locale) !== "object" && typeof Flatpickr.l10ns[self.config.locale] === "undefined") console.warn("flatpickr: invalid locale " + self.config.locale);

		self.l10n = _extends(Object.create(Flatpickr.l10ns.default), _typeof(self.config.locale) === "object" ? self.config.locale : self.config.locale !== "default" ? Flatpickr.l10ns[self.config.locale] || {} : {});
	}

	function positionCalendar(e) {
		if (e && e.target !== self.timeContainer) return;

		var calendarHeight = self.calendarContainer.offsetHeight,
		    input = self.altInput || self.input,
		    inputBounds = input.getBoundingClientRect(),
		    distanceFromBottom = window.innerHeight - inputBounds.bottom + input.offsetHeight;

		var top = void 0;

		if (distanceFromBottom < calendarHeight + 60) {
			top = window.pageYOffset - calendarHeight + inputBounds.top - 2;
			self.calendarContainer.classList.remove("arrowTop");
			self.calendarContainer.classList.add("arrowBottom");
		} else {
			top = window.pageYOffset + input.offsetHeight + inputBounds.top + 2;
			self.calendarContainer.classList.remove("arrowBottom");
			self.calendarContainer.classList.add("arrowTop");
		}

		if (!self.config.static && !self.config.inline) {
			self.calendarContainer.style.top = top + "px";

			var left = window.pageXOffset + inputBounds.left;
			var right = window.document.body.offsetWidth - inputBounds.right;

			if (left + self.calendarContainer.offsetWidth <= window.document.body.offsetWidth) {
				self.calendarContainer.style.left = left + "px";
				self.calendarContainer.style.right = "auto";

				self.calendarContainer.classList.remove("rightMost");
			} else {
				self.calendarContainer.style.left = "auto";
				self.calendarContainer.style.right = right + "px";

				self.calendarContainer.classList.add("rightMost");
			}
		}
	}

	function redraw() {
		if (self.config.noCalendar || self.isMobile) return;

		buildWeekdays();
		updateNavigationCurrentMonth();
		buildDays();
	}

	function selectDate(e) {
		e.preventDefault();
		if (self.config.allowInput && e.which === 13 && e.target === (self.altInput || self.input)) return self.setDate((self.altInput || self.input).value), e.target.blur();

		if (!e.target.classList.contains("flatpickr-day") || e.target.classList.contains("disabled") || e.target.classList.contains("notAllowed")) return;

		var selectedDate = self.latestSelectedDateObj = e.target.dateObj;
		self.selectedDateElem = e.target;

		if (self.config.mode === "single") self.selectedDates = [selectedDate];else if (self.config.mode === "multiple") {
			var selectedIndex = isDateSelected(selectedDate);
			if (selectedIndex) self.selectedDates.splice(selectedIndex, 1);else self.selectedDates.push(selectedDate);
		} else if (self.config.mode === "range") {
			if (self.selectedDates.length === 2) self.clear();

			self.selectedDates.push(selectedDate);
			self.selectedDates.sort(function (a, b) {
				return a.getTime() - b.getTime();
			});
		}

		setHoursFromInputs();

		if (selectedDate.getMonth() !== self.currentMonth && self.config.mode !== "range") {
			self.currentYear = selectedDate.getFullYear();
			self.currentMonth = selectedDate.getMonth();
			updateNavigationCurrentMonth();
		}

		buildDays();

		if (self.minDateHasTime && self.config.enableTime && compareDates(selectedDate, self.config.minDate) === 0) setHoursFromDate(self.config.minDate);

		updateValue();

		setTimeout(function () {
			return self.dateIsPicked = true;
		}, 50);

		if (self.config.mode === "range" && self.selectedDates.length === 1) onMouseOver(e);

		if (self.config.mode === "single" && !self.config.enableTime) self.close();

		triggerEvent("Change");
	}

	function set(option, value) {
		self.config[option] = value;
		self.redraw();
		jumpToDate();
	}

	function setDate(date, triggerChange) {
		if (!date) return self.clear();

		self.selectedDates = (Array.isArray(date) ? date.map(self.parseDate) : [self.parseDate(date)]).filter(function (d) {
			return d instanceof Date && isEnabled(d);
		});

		if (self.selectedDates.length > 0) {
			self.dateIsPicked = true;
			self.latestSelectedDateObj = self.selectedDates[0];
		} else self.latestSelectedDateObj = null;

		self.redraw();
		jumpToDate();

		setHoursFromDate();
		updateValue();

		if (triggerChange === true) triggerEvent("Change");
	}

	function setupDates() {
		function parseDateRules(arr) {
			for (var i = arr.length; i--;) {
				if (typeof arr[i] === "string" || +arr[i]) arr[i] = self.parseDate(arr[i], true);else if (arr[i] && arr[i].from && arr[i].to) {
					arr[i].from = self.parseDate(arr[i].from);
					arr[i].to = self.parseDate(arr[i].to);
				}
			}

			return arr.filter(function (x) {
				return x;
			}); // remove falsy values
		}

		self.selectedDates = [];
		self.now = new Date();
		var inputDate = self.config.defaultDate || self.input.value;

		if (Array.isArray(inputDate)) self.selectedDates = inputDate.map(self.parseDate);else if (inputDate) {
			switch (self.config.mode) {
				case "single":
					self.selectedDates = [self.parseDate(inputDate)];
					break;

				case "multiple":
					self.selectedDates = inputDate.split("; ").map(self.parseDate);
					break;

				case "range":
					self.selectedDates = inputDate.split(self.l10n.rangeSeparator).map(self.parseDate);
					break;

				default:
					break;
			}
		}

		if (self.config.disable.length) self.config.disable = parseDateRules(self.config.disable);

		if (self.config.enable.length) self.config.enable = parseDateRules(self.config.enable);

		self.selectedDates = self.selectedDates.filter(function (d) {
			return d instanceof Date && d.getTime() && isEnabled(d, false);
		});

		self.selectedDates.sort(function (a, b) {
			return a.getTime() - b.getTime();
		});

		var initialDate = self.selectedDates.length ? self.selectedDates[0] : self.config.minDate > self.now ? self.config.minDate : self.now;

		self.currentYear = initialDate.getFullYear();
		self.currentMonth = initialDate.getMonth();

		if (self.selectedDates.length) self.latestSelectedDateObj = self.selectedDates[0];

		self.minDateHasTime = self.config.minDate && (self.config.minDate.getHours() || self.config.minDate.getMinutes() || self.config.minDate.getSeconds());

		self.maxDateHasTime = self.config.maxDate && (self.config.maxDate.getHours() || self.config.maxDate.getMinutes() || self.config.maxDate.getSeconds());

		Object.defineProperty(self, "latestSelectedDateObj", {
			get: function get() {
				return self._selectedDateObj || self.selectedDates[self.selectedDates.length - 1] || null;
			},
			set: function set(date) {
				self._selectedDateObj = date;
			}
		});
	}

	function setupHelperFunctions() {
		self.utils = {
			duration: {
				DAY: 86400000
			},
			getDaysinMonth: function getDaysinMonth(month, yr) {
				month = typeof month === "undefined" ? self.currentMonth : month;

				yr = typeof yr === "undefined" ? self.currentYear : yr;

				if (month === 1 && (yr % 4 === 0 && yr % 100 !== 0 || yr % 400 === 0)) return 29;

				return self.l10n.daysInMonth[month];
			},
			monthToStr: function monthToStr(monthNumber, shorthand) {
				shorthand = typeof shorthand === "undefined" ? self.config.shorthandCurrentMonth : shorthand;

				return self.l10n.months[(shorthand ? "short" : "long") + "hand"][monthNumber];
			}
		};
	}

	/* istanbul ignore next */
	function setupFormats() {
		self.formats = {
			// weekday name, short, e.g. Thu
			D: function D(date) {
				return self.l10n.weekdays.shorthand[self.formats.w(date)];
			},

			// full month name e.g. January
			F: function F(date) {
				return self.utils.monthToStr(self.formats.n(date) - 1, false);
			},

			// hours with leading zero e.g. 03
			H: function H(date) {
				return Flatpickr.prototype.pad(date.getHours());
			},

			// day (1-30) with ordinal suffix e.g. 1st, 2nd
			J: function J(date) {
				return date.getDate() + self.l10n.ordinal(date.getDate());
			},

			// AM/PM
			K: function K(date) {
				return date.getHours() > 11 ? "PM" : "AM";
			},

			// shorthand month e.g. Jan, Sep, Oct, etc
			M: function M(date) {
				return self.utils.monthToStr(date.getMonth(), true);
			},

			// seconds 00-59
			S: function S(date) {
				return Flatpickr.prototype.pad(date.getSeconds());
			},

			// unix timestamp
			U: function U(date) {
				return date.getTime() / 1000;
			},

			// full year e.g. 2016
			Y: function Y(date) {
				return date.getFullYear();
			},

			// day in month, padded (01-30)
			d: function d(date) {
				return Flatpickr.prototype.pad(self.formats.j(date));
			},

			// hour from 1-12 (am/pm)
			h: function h(date) {
				return date.getHours() % 12 ? date.getHours() % 12 : 12;
			},

			// minutes, padded with leading zero e.g. 09
			i: function i(date) {
				return Flatpickr.prototype.pad(date.getMinutes());
			},

			// day in month (1-30)
			j: function j(date) {
				return date.getDate();
			},

			// weekday name, full, e.g. Thursday
			l: function l(date) {
				return self.l10n.weekdays.longhand[self.formats.w(date)];
			},

			// padded month number (01-12)
			m: function m(date) {
				return Flatpickr.prototype.pad(self.formats.n(date));
			},

			// the month number (1-12)
			n: function n(date) {
				return date.getMonth() + 1;
			},

			// seconds 0-59
			s: function s(date) {
				return date.getSeconds();
			},

			// number of the day of the week
			w: function w(date) {
				return date.getDay();
			},

			// last two digits of year e.g. 16 for 2016
			y: function y(date) {
				return String(self.formats.Y(date)).substring(2);
			}
		};
	}

	function setupInputs() {
		self.input = self.config.wrap ? self.element.querySelector("[data-input]") : self.element;

		if (!self.input) return console.warn("Error: invalid input element specified", self.input);

		self.input.type = "text";
		self.input.classList.add("flatpickr-input");

		if (self.config.altInput) {
			// replicate self.element
			self.altInput = createElement(self.input.nodeName, self.config.altInputClass);
			self.altInput.placeholder = self.input.placeholder;
			self.altInput.type = "text";

			self.input.type = "hidden";
			if (self.input.parentNode) self.input.parentNode.insertBefore(self.altInput, self.input.nextSibling);
		}

		if (!self.config.allowInput) (self.altInput || self.input).setAttribute("readonly", "readonly");
	}

	function setupMobile() {
		var inputType = self.config.enableTime ? self.config.noCalendar ? "time" : "datetime-local" : "date";

		self.mobileInput = createElement("input", self.input.className + " flatpickr-mobile");
		self.mobileInput.step = "any";
		self.mobileInput.tabIndex = 1;
		self.mobileInput.type = inputType;
		self.mobileInput.disabled = self.input.disabled;

		self.mobileFormatStr = inputType === "datetime-local" ? "Y-m-d\\TH:i:S" : inputType === "date" ? "Y-m-d" : "H:i:S";

		if (self.selectedDates.length) {
			self.mobileInput.defaultValue = self.mobileInput.value = formatDate(self.mobileFormatStr, self.selectedDates[0]);
		}

		if (self.config.minDate) self.mobileInput.min = formatDate("Y-m-d", self.config.minDate);

		if (self.config.maxDate) self.mobileInput.max = formatDate("Y-m-d", self.config.maxDate);

		self.input.type = "hidden";
		if (self.config.altInput) self.altInput.type = "hidden";

		try {
			self.input.parentNode.insertBefore(self.mobileInput, self.input.nextSibling);
		} catch (e) {
			//
		}

		self.mobileInput.addEventListener("change", function (e) {
			self.latestSelectedDateObj = self.parseDate(e.target.value);
			self.setDate(self.latestSelectedDateObj);
			triggerEvent("Change");
			triggerEvent("Close");
		});
	}

	function toggle() {
		if (self.isOpen) self.close();else self.open();
	}

	function triggerEvent(event, data) {
		if (self.config["on" + event]) {
			var hooks = Array.isArray(self.config["on" + event]) ? self.config["on" + event] : [self.config["on" + event]];

			for (var i = 0; i < hooks.length; i++) {
				hooks[i](self.selectedDates, self.input.value, self, data);
			}
		}

		if (event === "Change") {
			try {
				self.input.dispatchEvent(new Event("change", { "bubbles": true }));

				// many front-end frameworks bind to the input event
				self.input.dispatchEvent(new Event("input", { "bubbles": true }));
			} catch (e) {
				if ("createEvent" in window.document) return self.input.dispatchEvent(self.changeEvent);

				self.input.fireEvent("onchange");
			}
		}
	}

	function isDateSelected(date) {
		for (var i = 0; i < self.selectedDates.length; i++) {
			if (compareDates(self.selectedDates[i], date) === 0) return "" + i;
		}

		return false;
	}

	function isDateInRange(date) {
		if (self.config.mode !== "range" || self.selectedDates.length < 2) return false;
		return compareDates(date, self.selectedDates[0]) >= 0 && compareDates(date, self.selectedDates[1]) <= 0;
	}

	function updateNavigationCurrentMonth() {
		if (self.config.noCalendar || self.isMobile || !self.monthNav) return;

		self.currentMonthElement.textContent = self.utils.monthToStr(self.currentMonth) + " ";
		self.currentYearElement.value = self.currentYear;

		if (self.config.minDate) {
			var hidePrevMonthArrow = self.currentYear === self.config.minDate.getFullYear() ? (self.currentMonth + 11) % 12 < self.config.minDate.getMonth() : self.currentYear < self.config.minDate.getFullYear();

			self.prevMonthNav.style.display = hidePrevMonthArrow ? "none" : "block";
		} else self.prevMonthNav.style.display = "block";

		if (self.config.maxDate) {
			var hideNextMonthArrow = self.currentYear === self.config.maxDate.getFullYear() ? self.currentMonth + 1 > self.config.maxDate.getMonth() : self.currentYear > self.config.maxDate.getFullYear();

			self.nextMonthNav.style.display = hideNextMonthArrow ? "none" : "block";
		} else self.nextMonthNav.style.display = "block";
	}

	function updateValue() {
		if (!self.selectedDates.length) return self.clear();

		if (self.isMobile) {
			self.mobileInput.value = self.selectedDates.length ? formatDate(self.mobileFormatStr, self.latestSelectedDateObj) : "";
		}

		var joinChar = self.config.mode !== "range" ? "; " : self.l10n.rangeSeparator;

		self.input.value = self.selectedDates.map(function (dObj) {
			return formatDate(self.config.dateFormat, dObj);
		}).join(joinChar);

		if (self.config.altInput) {
			self.altInput.value = self.selectedDates.map(function (dObj) {
				return formatDate(self.config.altFormat, dObj);
			}).join(joinChar);
		}

		triggerEvent("ValueUpdate");
	}

	function yearScroll(e) {
		e.preventDefault();

		var delta = Math.max(-1, Math.min(1, e.wheelDelta || -e.deltaY)),
		    newYear = parseInt(e.target.value, 10) + delta;

		handleYearChange(newYear);
		e.target.value = self.currentYear;
	}

	function createElement(tag, className, content) {
		var e = window.document.createElement(tag);
		className = className || "";
		content = content || "";

		e.className = className;

		if (content) e.textContent = content;

		return e;
	}

	/* istanbul ignore next */
	function debounce(func, wait, immediate) {
		var timeout = void 0;
		return function () {
			for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
				args[_key] = arguments[_key];
			}

			var context = this;
			var later = function later() {
				timeout = null;
				if (!immediate) func.apply(context, args);
			};

			clearTimeout(timeout);
			timeout = setTimeout(later, wait);
			if (immediate && !timeout) func.apply(context, args);
		};
	}

	function compareDates(date1, date2, timeless) {
		if (!(date1 instanceof Date) || !(date2 instanceof Date)) return false;

		if (timeless !== false) {
			return new Date(date1.getTime()).setHours(0, 0, 0, 0) - new Date(date2.getTime()).setHours(0, 0, 0, 0);
		}

		return date1.getTime() - date2.getTime();
	}

	function timeWrapper(e) {
		e.preventDefault();
		if (e && ((e.target.value || e.target.textContent).length >= 2 || // typed two digits
		e.type !== "keydown" && e.type !== "input" // scroll event
		)) e.target.blur();

		if (self.amPM && e.target === self.amPM) return e.target.textContent = ["AM", "PM"][e.target.textContent === "AM" | 0];

		var min = Number(e.target.min),
		    max = Number(e.target.max),
		    step = Number(e.target.step),
		    curValue = parseInt(e.target.value, 10),
		    delta = Math.max(-1, Math.min(1, e.wheelDelta || -e.deltaY));

		var newValue = Number(curValue);

		switch (e.type) {
			case "wheel":
				newValue = curValue + step * delta;
				break;

			case "keydown":
				newValue = curValue + step * (e.which === 38 ? 1 : -1);
				break;
		}

		if (e.type !== "input" || e.target.value.length === 2) {
			if (newValue < min) {
				newValue = max + newValue + (e.target !== self.hourElement) + (e.target === self.hourElement && !self.amPM);
			} else if (newValue > max) {
				newValue = e.target === self.hourElement ? newValue - max - !self.amPM : min;
			}

			if (self.amPM && e.target === self.hourElement && (step === 1 ? newValue + curValue === 23 : Math.abs(newValue - curValue) > step)) self.amPM.textContent = self.amPM.textContent === "PM" ? "AM" : "PM";

			e.target.value = self.pad(newValue);
		} else e.target.value = newValue;
	}

	init();
	return self;
}

/* istanbul ignore next */
Flatpickr.defaultConfig = {

	mode: "single",

	/* if true, dates will be parsed, formatted, and displayed in UTC.
 preloading date strings w/ timezones is recommended but not necessary */
	utc: false,

	// wrap: see https://chmln.github.io/flatpickr/#strap
	wrap: false,

	// enables week numbers
	weekNumbers: false,

	// allow manual datetime input
	allowInput: false,

	/*
 	clicking on input opens the date(time)picker.
 	disable if you wish to open the calendar manually with .open()
 */
	clickOpens: true,

	// display time picker in 24 hour mode
	time_24hr: false,

	// enables the time picker functionality
	enableTime: false,

	// noCalendar: true will hide the calendar. use for a time picker along w/ enableTime
	noCalendar: false,

	// more date format chars at https://chmln.github.io/flatpickr/#dateformat
	dateFormat: "Y-m-d",

	// altInput - see https://chmln.github.io/flatpickr/#altinput
	altInput: false,

	// the created altInput element will have this class.
	altInputClass: "flatpickr-input form-control input",

	// same as dateFormat, but for altInput
	altFormat: "F j, Y", // defaults to e.g. June 10, 2016

	// defaultDate - either a datestring or a date object. used for datetimepicker"s initial value
	defaultDate: null,

	// the minimum date that user can pick (inclusive)
	minDate: null,

	// the maximum date that user can pick (inclusive)
	maxDate: null,

	// dateparser that transforms a given string to a date object
	parseDate: null,

	// dateformatter that transforms a given date object to a string, according to passed format
	formatDate: null,

	getWeek: function getWeek(givenDate) {
		var date = new Date(givenDate.getTime());
		date.setHours(0, 0, 0, 0);

		// Thursday in current week decides the year.
		date.setDate(date.getDate() + 3 - (date.getDay() + 6) % 7);
		// January 4 is always in week 1.
		var week1 = new Date(date.getFullYear(), 0, 4);
		// Adjust to Thursday in week 1 and count number of weeks from date to week1.
		return 1 + Math.round(((date.getTime() - week1.getTime()) / 86400000 - 3 + (week1.getDay() + 6) % 7) / 7);
	},

	// see https://chmln.github.io/flatpickr/#disable
	enable: [],

	// see https://chmln.github.io/flatpickr/#disable
	disable: [],

	// display the short version of month names - e.g. Sep instead of September
	shorthandCurrentMonth: false,

	// displays calendar inline. see https://chmln.github.io/flatpickr/#inline-calendar
	inline: false,

	// position calendar inside wrapper and next to the input element
	// leave at false unless you know what you"re doing
	static: false,

	// DOM node to append the calendar to in *static* mode
	appendTo: null,

	// code for previous/next icons. this is where you put your custom icon code e.g. fontawesome
	prevArrow: "<svg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' viewBox='0 0 17 17'><g></g><path d='M5.207 8.471l7.146 7.147-0.707 0.707-7.853-7.854 7.854-7.853 0.707 0.707-7.147 7.146z' /></svg>",
	nextArrow: "<svg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' viewBox='0 0 17 17'><g></g><path d='M13.207 8.472l-7.854 7.854-0.707-0.707 7.146-7.146-7.146-7.148 0.707-0.707 7.854 7.854z' /></svg>",

	// enables seconds in the time picker
	enableSeconds: false,

	// step size used when scrolling/incrementing the hour element
	hourIncrement: 1,

	// step size used when scrolling/incrementing the minute element
	minuteIncrement: 5,

	// initial value in the hour element
	defaultHour: 12,

	// initial value in the minute element
	defaultMinute: 0,

	// disable native mobile datetime input support
	disableMobile: false,

	// default locale
	locale: "default",

	// onChange callback when user selects a date or time
	onChange: null, // function (dateObj, dateStr) {}

	// called every time calendar is opened
	onOpen: null, // function (dateObj, dateStr) {}

	// called every time calendar is closed
	onClose: null, // function (dateObj, dateStr) {}

	// called after calendar is ready
	onReady: null, // function (dateObj, dateStr) {}

	onValueUpdate: null,

	onDayCreate: null
};

/* istanbul ignore next */
Flatpickr.l10ns = {
	en: {
		weekdays: {
			shorthand: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
			longhand: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
		},
		months: {
			shorthand: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
			longhand: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]
		},
		daysInMonth: [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],
		firstDayOfWeek: 0,
		ordinal: function ordinal(nth) {
			var s = nth % 100;
			if (s > 3 && s < 21) return "th";
			switch (s % 10) {
				case 1:
					return "st";
				case 2:
					return "nd";
				case 3:
					return "rd";
				default:
					return "th";
			}
		},
		rangeSeparator: " to ",
		weekAbbreviation: "Wk",
		scrollTitle: "Scroll to increment",
		toggleTitle: "Click to toggle"
	}
};

Flatpickr.l10ns.default = Object.create(Flatpickr.l10ns.en);
Flatpickr.localize = function (l10n) {
	return _extends(Flatpickr.l10ns.default, l10n || {});
};
Flatpickr.setDefaults = function (config) {
	return _extends(Flatpickr.defaultConfig, config || {});
};

Flatpickr.prototype = {
	pad: function pad(number) {
		return ("0" + number).slice(-2);
	},
	parseDate: function parseDate(date, timeless) {
		if (!date) return null;

		var dateTimeRegex = /(\d+)/g,
		    timeRegex = /^(\d{1,2})[:\s](\d\d)?[:\s]?(\d\d)?\s?(a|p)?/i,
		    timestamp = /^(\d+)$/g,
		    date_orig = date;

		if (date.toFixed || timestamp.test(date)) // timestamp
			date = new Date(date);else if (typeof date === "string") {
			date = date.trim();

			if (date === "today") {
				date = new Date();
				timeless = true;
			} else if (this.config && this.config.parseDate) date = this.config.parseDate(date);else if (timeRegex.test(date)) {
				// time picker
				var m = date.match(timeRegex),
				    hours = !m[4] ? m[1] // military time, no conversion needed
				: m[1] % 12 + (m[4].toLowerCase() === "p" ? 12 : 0); // am/pm

				date = new Date();
				date.setHours(hours, m[2] || 0, m[3] || 0);
			} else if (/Z$/.test(date) || /GMT$/.test(date)) // datestrings w/ timezone
				date = new Date(date);else if (dateTimeRegex.test(date) && /^[0-9]/.test(date)) {
				var d = date.match(dateTimeRegex);
				date = new Date(d[0] + "/" + (d[1] || 1) + "/" + (d[2] || 1) + " " + (d[3] || 0) + ":" + (d[4] || 0) + ":" + (d[5] || 0));
			} else // fallback
				date = new Date(date);
		} else if (date instanceof Date) date = new Date(date.getTime()); // create a copy

		if (!(date instanceof Date)) {
			console.warn("flatpickr: invalid date " + date_orig);
			console.info(this.element);
			return null;
		}

		if (this.config && this.config.utc && !date.fp_isUTC) date = date.fp_toUTC();

		if (timeless === true) date.setHours(0, 0, 0, 0);

		return date;
	}
};

function _flatpickr(nodeList, config) {
	var instances = [];
	for (var i = 0; i < nodeList.length; i++) {
		try {
			nodeList[i]._flatpickr = new Flatpickr(nodeList[i], config || {});
			instances.push(nodeList[i]._flatpickr);
		} catch (e) {
			console.warn(e, e.stack);
		}
	}

	return instances.length === 1 ? instances[0] : instances;
}
if (typeof HTMLElement !== "undefined") {
	// browser env
	HTMLCollection.prototype.flatpickr = NodeList.prototype.flatpickr = function (config) {
		return _flatpickr(this, config);
	};

	HTMLElement.prototype.flatpickr = function (config) {
		return _flatpickr([this], config);
	};
}

function flatpickr(selector, config) {
	return _flatpickr(window.document.querySelectorAll(selector), config);
}

if (typeof jQuery !== "undefined") {
	jQuery.fn.flatpickr = function (config) {
		return _flatpickr(this, config);
	};
}

Date.prototype.fp_incr = function (days) {
	return new Date(this.getFullYear(), this.getMonth(), this.getDate() + parseInt(days, 10));
};

Date.prototype.fp_isUTC = false;
Date.prototype.fp_toUTC = function () {
	var newDate = new Date(this.getUTCFullYear(), this.getUTCMonth(), this.getUTCDate(), this.getUTCHours(), this.getUTCMinutes(), this.getUTCSeconds());

	newDate.fp_isUTC = true;
	return newDate;
};

// IE9 classList polyfill
/* istanbul ignore next */
if (!("classList" in window.document.documentElement) && Object.defineProperty && typeof HTMLElement !== "undefined") {
	Object.defineProperty(HTMLElement.prototype, "classList", {
		get: function get() {
			var self = this;
			function update(fn) {
				return function (value) {
					var classes = self.className.split(/\s+/),
					    index = classes.indexOf(value);

					fn(classes, index, value);
					self.className = classes.join(" ");
				};
			}

			var ret = {
				add: update(function (classes, index, value) {
					if (!~index) classes.push(value);
				}),

				remove: update(function (classes, index) {
					if (~index) classes.splice(index, 1);
				}),

				toggle: update(function (classes, index, value) {
					if (~index) classes.splice(index, 1);else classes.push(value);
				}),

				contains: function contains(value) {
					return !!~self.className.split(/\s+/).indexOf(value);
				},

				item: function item(i) {
					return self.className.split(/\s+/)[i] || null;
				}
			};

			Object.defineProperty(ret, "length", {
				get: function get() {
					return self.className.split(/\s+/).length;
				}
			});

			return ret;
		}
	});
}

if (typeof module !== "undefined") module.exports = Flatpickr;