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 v2.3.4, @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 && !self.config.weekNumbers && /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 (window.document.createEvent !== undefined) {
            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 () {
            triggerEvent("Change");
        };
        self.debouncedChange = debounce(self.triggerChange, 300);

        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("increment", self.debouncedChange);

            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);

        var customAppend = self.config.appendTo && self.config.appendTo.nodeType;

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

            if (self.config.inline && !customAppend) {
                return self.element.parentNode.insertBefore(self.calendarContainer, (self.altInput || self.input).nextSibling);
            }

            if (self.config.static) {
                var wrapper = createElement("div", "flatpickr-wrapper");
                self.element.parentNode.insertBefore(wrapper, self.element);
                wrapper.appendChild(self.element);
                wrapper.appendChild(self.calendarContainer);
                return;
            }
        }

        (customAppend ? self.config.appendTo : 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.type = instance.input._type;
        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 ||
            // web components
            e.path && e.path.indexOf && (~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
                return bool;else if (typeof d === "string" && self.parseDate(d, true).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) 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,
            calendarWidth = self.calendarContainer.offsetWidth,
            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 + calendarWidth <= 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 = new Date(e.target.dateObj.getTime());

        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 setSelectedDate(inputDate) {
        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;
            }
        }

        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();
        });
    }

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

        setSelectedDate(date);

        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();

        setSelectedDate(self.config.defaultDate || self.input.value);

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

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

        var initialDate = self.selectedDates.length ? self.selectedDates[0] : self.config.minDate && self.config.minDate.getTime() > self.now ? self.config.minDate : self.config.maxDate && self.config.maxDate.getTime() < self.now ? self.config.maxDate : 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 = self.input.type;
        self.input.type = "text";
        self.input.classList.add("flatpickr-input");

        if (self.config.altInput) {
            // replicate self.element
            self.altInput = createElement(self.input.nodeName, self.input.className + " " + 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") {
            if (typeof Event === "function" && Event.constructor) {
                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 }));
            } else {
                if (window.document.createEvent !== undefined) 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 <= 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 nodes = Array.prototype.slice.call(nodeList); // static list
    var instances = [];
    for (var i = 0; i < nodes.length; i++) {
        try {
            nodes[i]._flatpickr = new Flatpickr(nodes[i], config || {});
            instances.push(nodes[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 (!window.document.documentElement.classList && 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;