sky/assets/js/plugins/datetimepicker.js

/* flatpickr v4.5.7, @license MIT */
(function(global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    (global = global || self, global.flatpickr = factory());
}(this, function() {
  'use strict';

  /*! *****************************************************************************
  Copyright (c) Microsoft Corporation. All rights reserved.
  Licensed under the Apache License, Version 2.0 (the "License"); you may not use
  this file except in compliance with the License. You may obtain a copy of the
  License at http://www.apache.org/licenses/LICENSE-2.0

  THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  MERCHANTABLITY OR NON-INFRINGEMENT.

  See the Apache Version 2.0 License for specific language governing permissions
  and limitations under the License.
  ***************************************************************************** */

  var __assign = function() {
    __assign = Object.assign || function __assign(t) {
      for (var s, i = 1, n = arguments.length; i < n; i++) {
        s = arguments[i];
        for (var p in s)
          if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
      }
      return t;
    };
    return __assign.apply(this, arguments);
  };

  var HOOKS = [
    "onChange",
    "onClose",
    "onDayCreate",
    "onDestroy",
    "onKeyDown",
    "onMonthChange",
    "onOpen",
    "onParseConfig",
    "onReady",
    "onValueUpdate",
    "onYearChange",
    "onPreCalendarPosition",
  ];
  var defaults = {
    _disable: [],
    _enable: [],
    allowInput: false,
    altFormat: "F j, Y",
    altInput: false,
    altInputClass: "form-control input",
    animate: typeof window === "object" &&
      window.navigator.userAgent.indexOf("MSIE") === -1,
    ariaDateFormat: "F j, Y",
    clickOpens: true,
    closeOnSelect: true,
    conjunction: ", ",
    dateFormat: "Y-m-d",
    defaultHour: 12,
    defaultMinute: 0,
    defaultSeconds: 0,
    disable: [],
    disableMobile: false,
    enable: [],
    enableSeconds: false,
    enableTime: false,
    errorHandler: function(err) {
      return typeof console !== "undefined" && console.warn(err);
    },
    getWeek: function(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));
    },
    hourIncrement: 1,
    ignoredFocusElements: [],
    inline: false,
    locale: "default",
    minuteIncrement: 5,
    mode: "single",
    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>",
    noCalendar: false,
    now: new Date(),
    onChange: [],
    onClose: [],
    onDayCreate: [],
    onDestroy: [],
    onKeyDown: [],
    onMonthChange: [],
    onOpen: [],
    onParseConfig: [],
    onReady: [],
    onValueUpdate: [],
    onYearChange: [],
    onPreCalendarPosition: [],
    plugins: [],
    position: "auto",
    positionElement: undefined,
    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>",
    shorthandCurrentMonth: false,
    showMonths: 1,
    static: false,
    time_24hr: false,
    weekNumbers: false,
    wrap: false
  };

  var english = {
    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(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",
    amPM: ["AM", "PM"],
    yearAriaLabel: "Year"
  };

  var pad = function(number) {
    return ("0" + number).slice(-2);
  };
  var int = function(bool) {
    return (bool === true ? 1 : 0);
  };
  /* istanbul ignore next */
  function debounce(func, wait, immediate) {
    if (immediate === void 0) {
      immediate = false;
    }
    var timeout;
    return function() {
      var context = this,
        args = arguments;
      timeout !== null && clearTimeout(timeout);
      timeout = window.setTimeout(function() {
        timeout = null;
        if (!immediate)
          func.apply(context, args);
      }, wait);
      if (immediate && !timeout)
        func.apply(context, args);
    };
  }
  var arrayify = function(obj) {
    return obj instanceof Array ? obj : [obj];
  };

  function toggleClass(elem, className, bool) {
    if (bool === true)
      return elem.classList.add(className);
    elem.classList.remove(className);
  }

  function createElement(tag, className, content) {
    var e = window.document.createElement(tag);
    className = className || "";
    content = content || "";
    e.className = className;
    if (content !== undefined)
      e.textContent = content;
    return e;
  }

  function clearNode(node) {
    while (node.firstChild)
      node.removeChild(node.firstChild);
  }

  function findParent(node, condition) {
    if (condition(node))
      return node;
    else if (node.parentNode)
      return findParent(node.parentNode, condition);
    return undefined; // nothing found
  }

  function createNumberInput(inputClassName, opts) {
    var wrapper = createElement("div", "numInputWrapper"),
      numInput = createElement("input", "numInput " + inputClassName),
      arrowUp = createElement("span", "arrowUp"),
      arrowDown = createElement("span", "arrowDown");
    if (navigator.userAgent.indexOf("MSIE 9.0") === -1) {
      numInput.type = "number";
    } else {
      numInput.type = "text";
      numInput.pattern = "\\d*";
    }
    if (opts !== undefined)
      for (var key in opts)
        numInput.setAttribute(key, opts[key]);
    wrapper.appendChild(numInput);
    wrapper.appendChild(arrowUp);
    wrapper.appendChild(arrowDown);
    return wrapper;
  }

  function getEventTarget(event) {
    if (typeof event.composedPath === "function") {
      var path = event.composedPath();
      return path[0];
    }
    return event.target;
  }

  var do_nothing = function() {
    return undefined;
  };
  var monthToStr = function(monthNumber, shorthand, locale) {
    return locale.months[shorthand ? "shorthand" : "longhand"][monthNumber];
  };
  var revFormat = {
    D: do_nothing,
    F: function(dateObj, monthName, locale) {
      dateObj.setMonth(locale.months.longhand.indexOf(monthName));
    },
    G: function(dateObj, hour) {
      dateObj.setHours(parseFloat(hour));
    },
    H: function(dateObj, hour) {
      dateObj.setHours(parseFloat(hour));
    },
    J: function(dateObj, day) {
      dateObj.setDate(parseFloat(day));
    },
    K: function(dateObj, amPM, locale) {
      dateObj.setHours((dateObj.getHours() % 12) +
        12 * int(new RegExp(locale.amPM[1], "i").test(amPM)));
    },
    M: function(dateObj, shortMonth, locale) {
      dateObj.setMonth(locale.months.shorthand.indexOf(shortMonth));
    },
    S: function(dateObj, seconds) {
      dateObj.setSeconds(parseFloat(seconds));
    },
    U: function(_, unixSeconds) {
      return new Date(parseFloat(unixSeconds) * 1000);
    },
    W: function(dateObj, weekNum) {
      var weekNumber = parseInt(weekNum);
      return new Date(dateObj.getFullYear(), 0, 2 + (weekNumber - 1) * 7, 0, 0, 0, 0);
    },
    Y: function(dateObj, year) {
      dateObj.setFullYear(parseFloat(year));
    },
    Z: function(_, ISODate) {
      return new Date(ISODate);
    },
    d: function(dateObj, day) {
      dateObj.setDate(parseFloat(day));
    },
    h: function(dateObj, hour) {
      dateObj.setHours(parseFloat(hour));
    },
    i: function(dateObj, minutes) {
      dateObj.setMinutes(parseFloat(minutes));
    },
    j: function(dateObj, day) {
      dateObj.setDate(parseFloat(day));
    },
    l: do_nothing,
    m: function(dateObj, month) {
      dateObj.setMonth(parseFloat(month) - 1);
    },
    n: function(dateObj, month) {
      dateObj.setMonth(parseFloat(month) - 1);
    },
    s: function(dateObj, seconds) {
      dateObj.setSeconds(parseFloat(seconds));
    },
    u: function(_, unixMillSeconds) {
      return new Date(parseFloat(unixMillSeconds));
    },
    w: do_nothing,
    y: function(dateObj, year) {
      dateObj.setFullYear(2000 + parseFloat(year));
    }
  };
  var tokenRegex = {
    D: "(\\w+)",
    F: "(\\w+)",
    G: "(\\d\\d|\\d)",
    H: "(\\d\\d|\\d)",
    J: "(\\d\\d|\\d)\\w+",
    K: "",
    M: "(\\w+)",
    S: "(\\d\\d|\\d)",
    U: "(.+)",
    W: "(\\d\\d|\\d)",
    Y: "(\\d{4})",
    Z: "(.+)",
    d: "(\\d\\d|\\d)",
    h: "(\\d\\d|\\d)",
    i: "(\\d\\d|\\d)",
    j: "(\\d\\d|\\d)",
    l: "(\\w+)",
    m: "(\\d\\d|\\d)",
    n: "(\\d\\d|\\d)",
    s: "(\\d\\d|\\d)",
    u: "(.+)",
    w: "(\\d\\d|\\d)",
    y: "(\\d{2})"
  };
  var formats = {
    // get the date in UTC
    Z: function(date) {
      return date.toISOString();
    },
    // weekday name, short, e.g. Thu
    D: function(date, locale, options) {
      return locale.weekdays.shorthand[formats.w(date, locale, options)];
    },
    // full month name e.g. January
    F: function(date, locale, options) {
      return monthToStr(formats.n(date, locale, options) - 1, false, locale);
    },
    // padded hour 1-12
    G: function(date, locale, options) {
      return pad(formats.h(date, locale, options));
    },
    // hours with leading zero e.g. 03
    H: function(date) {
      return pad(date.getHours());
    },
    // day (1-30) with ordinal suffix e.g. 1st, 2nd
    J: function(date, locale) {
      return locale.ordinal !== undefined ?
        date.getDate() + locale.ordinal(date.getDate()) :
        date.getDate();
    },
    // AM/PM
    K: function(date, locale) {
      return locale.amPM[int(date.getHours() > 11)];
    },
    // shorthand month e.g. Jan, Sep, Oct, etc
    M: function(date, locale) {
      return monthToStr(date.getMonth(), true, locale);
    },
    // seconds 00-59
    S: function(date) {
      return pad(date.getSeconds());
    },
    // unix timestamp
    U: function(date) {
      return date.getTime() / 1000;
    },
    W: function(date, _, options) {
      return options.getWeek(date);
    },
    // full year e.g. 2016
    Y: function(date) {
      return date.getFullYear();
    },
    // day in month, padded (01-30)
    d: function(date) {
      return pad(date.getDate());
    },
    // hour from 1-12 (am/pm)
    h: function(date) {
      return (date.getHours() % 12 ? date.getHours() % 12 : 12);
    },
    // minutes, padded with leading zero e.g. 09
    i: function(date) {
      return pad(date.getMinutes());
    },
    // day in month (1-30)
    j: function(date) {
      return date.getDate();
    },
    // weekday name, full, e.g. Thursday
    l: function(date, locale) {
      return locale.weekdays.longhand[date.getDay()];
    },
    // padded month number (01-12)
    m: function(date) {
      return pad(date.getMonth() + 1);
    },
    // the month number (1-12)
    n: function(date) {
      return date.getMonth() + 1;
    },
    // seconds 0-59
    s: function(date) {
      return date.getSeconds();
    },
    // Unix Milliseconds
    u: function(date) {
      return date.getTime();
    },
    // number of the day of the week
    w: function(date) {
      return date.getDay();
    },
    // last two digits of year e.g. 16 for 2016
    y: function(date) {
      return String(date.getFullYear()).substring(2);
    }
  };

  var createDateFormatter = function(_a) {
    var _b = _a.config,
      config = _b === void 0 ? defaults : _b,
      _c = _a.l10n,
      l10n = _c === void 0 ? english : _c;
    return function(dateObj, frmt, overrideLocale) {
      var locale = overrideLocale || l10n;
      if (config.formatDate !== undefined) {
        return config.formatDate(dateObj, frmt, locale);
      }
      return frmt
        .split("")
        .map(function(c, i, arr) {
          return formats[c] && arr[i - 1] !== "\\" ?
            formats[c](dateObj, locale, config) :
            c !== "\\" ?
            c :
            "";
        })
        .join("");
    };
  };
  var createDateParser = function(_a) {
    var _b = _a.config,
      config = _b === void 0 ? defaults : _b,
      _c = _a.l10n,
      l10n = _c === void 0 ? english : _c;
    return function(date, givenFormat, timeless, customLocale) {
      if (date !== 0 && !date)
        return undefined;
      var locale = customLocale || l10n;
      var parsedDate;
      var date_orig = date;
      if (date instanceof Date)
        parsedDate = new Date(date.getTime());
      else if (typeof date !== "string" &&
        date.toFixed !== undefined // timestamp
      )
        // create a copy
        parsedDate = new Date(date);
      else if (typeof date === "string") {
        // date string
        var format = givenFormat || (config || defaults).dateFormat;
        var datestr = String(date).trim();
        if (datestr === "today") {
          parsedDate = new Date();
          timeless = true;
        } else if (/Z$/.test(datestr) ||
          /GMT$/.test(datestr) // datestrings w/ timezone
        )
          parsedDate = new Date(date);
        else if (config && config.parseDate)
          parsedDate = config.parseDate(date, format);
        else {
          parsedDate = !config || !config.noCalendar ?
            new Date(new Date().getFullYear(), 0, 1, 0, 0, 0, 0) :
            new Date(new Date().setHours(0, 0, 0, 0));
          var matched = void 0,
            ops = [];
          for (var i = 0, matchIndex = 0, regexStr = ""; i < format.length; i++) {
            var token_1 = format[i];
            var isBackSlash = token_1 === "\\";
            var escaped = format[i - 1] === "\\" || isBackSlash;
            if (tokenRegex[token_1] && !escaped) {
              regexStr += tokenRegex[token_1];
              var match = new RegExp(regexStr).exec(date);
              if (match && (matched = true)) {
                ops[token_1 !== "Y" ? "push" : "unshift"]({
                  fn: revFormat[token_1],
                  val: match[++matchIndex]
                });
              }
            } else if (!isBackSlash)
              regexStr += "."; // don't really care
            ops.forEach(function(_a) {
              var fn = _a.fn,
                val = _a.val;
              return (parsedDate = fn(parsedDate, val, locale) || parsedDate);
            });
          }
          parsedDate = matched ? parsedDate : undefined;
        }
      }
      /* istanbul ignore next */
      if (!(parsedDate instanceof Date && !isNaN(parsedDate.getTime()))) {
        config.errorHandler(new Error("Invalid date provided: " + date_orig));
        return undefined;
      }
      if (timeless === true)
        parsedDate.setHours(0, 0, 0, 0);
      return parsedDate;
    };
  };
  /**
   * Compute the difference in dates, measured in ms
   */
  function compareDates(date1, date2, timeless) {
    if (timeless === void 0) {
      timeless = true;
    }
    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();
  }
  var isBetween = function(ts, ts1, ts2) {
    return ts > Math.min(ts1, ts2) && ts < Math.max(ts1, ts2);
  };
  var duration = {
    DAY: 86400000
  };

  if (typeof Object.assign !== "function") {
    Object.assign = function(target) {
      var args = [];
      for (var _i = 1; _i < arguments.length; _i++) {
        args[_i - 1] = arguments[_i];
      }
      if (!target) {
        throw TypeError("Cannot convert undefined or null to object");
      }
      var _loop_1 = function(source) {
        if (source) {
          Object.keys(source).forEach(function(key) {
            return (target[key] = source[key]);
          });
        }
      };
      for (var _a = 0, args_1 = args; _a < args_1.length; _a++) {
        var source = args_1[_a];
        _loop_1(source);
      }
      return target;
    };
  }

  var DEBOUNCED_CHANGE_MS = 300;

  function FlatpickrInstance(element, instanceConfig) {
    var self = {
      config: __assign({}, flatpickr.defaultConfig),
      l10n: english
    };
    self.parseDate = createDateParser({
      config: self.config,
      l10n: self.l10n
    });
    self._handlers = [];
    self._bind = bind;
    self._setHoursFromDate = setHoursFromDate;
    self._positionCalendar = positionCalendar;
    self.changeMonth = changeMonth;
    self.changeYear = changeYear;
    self.clear = clear;
    self.close = close;
    self._createElement = createElement;
    self.destroy = destroy;
    self.isEnabled = isEnabled;
    self.jumpToDate = jumpToDate;
    self.open = open;
    self.redraw = redraw;
    self.set = set;
    self.setDate = setDate;
    self.toggle = toggle;

    function setupHelperFunctions() {
      self.utils = {
        getDaysInMonth: function(month, yr) {
          if (month === void 0) {
            month = self.currentMonth;
          }
          if (yr === void 0) {
            yr = self.currentYear;
          }
          if (month === 1 && ((yr % 4 === 0 && yr % 100 !== 0) || yr % 400 === 0))
            return 29;
          return self.l10n.daysInMonth[month];
        }
      };
    }

    function init() {
      self.element = self.input = element;
      self.isOpen = false;
      parseConfig();
      setupLocale();
      setupInputs();
      setupDates();
      setupHelperFunctions();
      if (!self.isMobile)
        build();
      bindEvents();
      if (self.selectedDates.length || self.config.noCalendar) {
        if (self.config.enableTime) {
          setHoursFromDate(self.config.noCalendar ?
            self.latestSelectedDateObj || self.config.minDate :
            undefined);
        }
        updateValue(false);
      }
      setCalendarWidth();
      self.showTimeInput =
        self.selectedDates.length > 0 || self.config.noCalendar;
      var isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
      /* TODO: investigate this further

        Currently, there is weird positioning behavior in safari causing pages
        to scroll up. https://github.com/chmln/flatpickr/issues/563

        However, most browsers are not Safari and positioning is expensive when used
        in scale. https://github.com/chmln/flatpickr/issues/1096
      */
      if (!self.isMobile && isSafari) {
        positionCalendar();
      }
      triggerEvent("onReady");
    }

    function bindToInstance(fn) {
      return fn.bind(self);
    }

    function setCalendarWidth() {
      var config = self.config;
      if (config.weekNumbers === false && config.showMonths === 1)
        return;
      else if (config.noCalendar !== true) {
        window.requestAnimationFrame(function() {
          if (self.calendarContainer !== undefined) {
            self.calendarContainer.style.visibility = "hidden";
            self.calendarContainer.style.display = "block";
          }
          if (self.daysContainer !== undefined) {
            var daysWidth = (self.days.offsetWidth + 1) * config.showMonths;
            self.daysContainer.style.width = daysWidth + "px";
            self.calendarContainer.style.width =
              daysWidth +
              (self.weekWrapper !== undefined ?
                self.weekWrapper.offsetWidth :
                0) +
              "px";
            self.calendarContainer.style.removeProperty("visibility");
            self.calendarContainer.style.removeProperty("display");
          }
        });
      }
    }
    /**
     * The handler for all events targeting the time inputs
     */
    function updateTime(e) {
      if (self.selectedDates.length === 0) {
        setDefaultTime();
      }
      if (e !== undefined && e.type !== "blur") {
        timeWrapper(e);
      }
      var prevValue = self._input.value;
      setHoursFromInputs();
      updateValue();
      if (self._input.value !== prevValue) {
        self._debouncedChange();
      }
    }

    function ampm2military(hour, amPM) {
      return (hour % 12) + 12 * int(amPM === self.l10n.amPM[1]);
    }

    function military2ampm(hour) {
      switch (hour % 24) {
        case 0:
        case 12:
          return 12;
        default:
          return hour % 12;
      }
    }
    /**
     * Syncs the selected date object time with user's time input
     */
    function setHoursFromInputs() {
      if (self.hourElement === undefined || self.minuteElement === undefined)
        return;
      var hours = (parseInt(self.hourElement.value.slice(-2), 10) || 0) % 24,
        minutes = (parseInt(self.minuteElement.value, 10) || 0) % 60,
        seconds = self.secondElement !== undefined ?
        (parseInt(self.secondElement.value, 10) || 0) % 60 :
        0;
      if (self.amPM !== undefined) {
        hours = ampm2military(hours, self.amPM.textContent);
      }
      var limitMinHours = self.config.minTime !== undefined ||
        (self.config.minDate &&
          self.minDateHasTime &&
          self.latestSelectedDateObj &&
          compareDates(self.latestSelectedDateObj, self.config.minDate, true) ===
          0);
      var limitMaxHours = self.config.maxTime !== undefined ||
        (self.config.maxDate &&
          self.maxDateHasTime &&
          self.latestSelectedDateObj &&
          compareDates(self.latestSelectedDateObj, self.config.maxDate, true) ===
          0);
      if (limitMaxHours) {
        var maxTime = self.config.maxTime !== undefined ?
          self.config.maxTime :
          self.config.maxDate;
        hours = Math.min(hours, maxTime.getHours());
        if (hours === maxTime.getHours())
          minutes = Math.min(minutes, maxTime.getMinutes());
        if (minutes === maxTime.getMinutes())
          seconds = Math.min(seconds, maxTime.getSeconds());
      }
      if (limitMinHours) {
        var minTime = self.config.minTime !== undefined ?
          self.config.minTime :
          self.config.minDate;
        hours = Math.max(hours, minTime.getHours());
        if (hours === minTime.getHours())
          minutes = Math.max(minutes, minTime.getMinutes());
        if (minutes === minTime.getMinutes())
          seconds = Math.max(seconds, minTime.getSeconds());
      }
      setHours(hours, minutes, seconds);
    }
    /**
     * Syncs time input values with a date
     */
    function setHoursFromDate(dateObj) {
      var date = dateObj || self.latestSelectedDateObj;
      if (date)
        setHours(date.getHours(), date.getMinutes(), date.getSeconds());
    }

    function setDefaultHours() {
      var hours = self.config.defaultHour;
      var minutes = self.config.defaultMinute;
      var seconds = self.config.defaultSeconds;
      if (self.config.minDate !== undefined) {
        var min_hr = self.config.minDate.getHours();
        var min_minutes = self.config.minDate.getMinutes();
        hours = Math.max(hours, min_hr);
        if (hours === min_hr)
          minutes = Math.max(min_minutes, minutes);
        if (hours === min_hr && minutes === min_minutes)
          seconds = self.config.minDate.getSeconds();
      }
      if (self.config.maxDate !== undefined) {
        var max_hr = self.config.maxDate.getHours();
        var max_minutes = self.config.maxDate.getMinutes();
        hours = Math.min(hours, max_hr);
        if (hours === max_hr)
          minutes = Math.min(max_minutes, minutes);
        if (hours === max_hr && minutes === max_minutes)
          seconds = self.config.maxDate.getSeconds();
      }
      setHours(hours, minutes, seconds);
    }
    /**
     * Sets the hours, minutes, and optionally seconds
     * of the latest selected date object and the
     * corresponding time inputs
     * @param {Number} hours the hour. whether its military
     *                 or am-pm gets inferred from config
     * @param {Number} minutes the minutes
     * @param {Number} seconds the seconds (optional)
     */
    function setHours(hours, minutes, seconds) {
      if (self.latestSelectedDateObj !== undefined) {
        self.latestSelectedDateObj.setHours(hours % 24, minutes, seconds || 0, 0);
      }
      if (!self.hourElement || !self.minuteElement || self.isMobile)
        return;
      self.hourElement.value = pad(!self.config.time_24hr ?
        ((12 + hours) % 12) + 12 * int(hours % 12 === 0) :
        hours);
      self.minuteElement.value = pad(minutes);
      if (self.amPM !== undefined)
        self.amPM.textContent = self.l10n.amPM[int(hours >= 12)];
      if (self.secondElement !== undefined)
        self.secondElement.value = pad(seconds);
    }
    /**
     * Handles the year input and incrementing events
     * @param {Event} event the keyup or increment event
     */
    function onYearInput(event) {
      var year = parseInt(event.target.value) + (event.delta || 0);
      if (year / 1000 > 1 ||
        (event.key === "Enter" && !/[^\d]/.test(year.toString()))) {
        changeYear(year);
      }
    }
    /**
     * Essentially addEventListener + tracking
     * @param {Element} element the element to addEventListener to
     * @param {String} event the event name
     * @param {Function} handler the event handler
     */
    function bind(element, event, handler, options) {
      if (event instanceof Array)
        return event.forEach(function(ev) {
          return bind(element, ev, handler, options);
        });
      if (element instanceof Array)
        return element.forEach(function(el) {
          return bind(el, event, handler, options);
        });
      element.addEventListener(event, handler, options);
      self._handlers.push({
        element: element,
        event: event,
        handler: handler,
        options: options
      });
    }
    /**
     * A mousedown handler which mimics click.
     * Minimizes latency, since we don't need to wait for mouseup in most cases.
     * Also, avoids handling right clicks.
     *
     * @param {Function} handler the event handler
     */
    function onClick(handler) {
      return function(evt) {
        evt.which === 1 && handler(evt);
      };
    }

    function triggerChange() {
      triggerEvent("onChange");
    }
    /**
     * Adds all the necessary event listeners
     */
    function bindEvents() {
      if (self.config.wrap) {
        ["open", "close", "toggle", "clear"].forEach(function(evt) {
          Array.prototype.forEach.call(self.element.querySelectorAll("[data-" + evt + "]"), function(el) {
            return bind(el, "click", self[evt]);
          });
        });
      }
      if (self.isMobile) {
        setupMobile();
        return;
      }
      var debouncedResize = debounce(onResize, 50);
      self._debouncedChange = debounce(triggerChange, DEBOUNCED_CHANGE_MS);
      if (self.daysContainer && !/iPhone|iPad|iPod/i.test(navigator.userAgent))
        bind(self.daysContainer, "mouseover", function(e) {
          if (self.config.mode === "range")
            onMouseOver(e.target);
        });
      bind(window.document.body, "keydown", onKeyDown);
      if (!self.config.static)
        bind(self._input, "keydown", onKeyDown);
      if (!self.config.inline && !self.config.static)
        bind(window, "resize", debouncedResize);
      if (window.ontouchstart !== undefined)
        bind(window.document, "click", documentClick);
      else
        bind(window.document, "mousedown", onClick(documentClick));
      bind(window.document, "focus", documentClick, {
        capture: true
      });
      if (self.config.clickOpens === true) {
        bind(self._input, "focus", self.open);
        bind(self._input, "mousedown", onClick(self.open));
      }
      if (self.daysContainer !== undefined) {
        bind(self.monthNav, "mousedown", onClick(onMonthNavClick));
        bind(self.monthNav, ["keyup", "increment"], onYearInput);
        bind(self.daysContainer, "mousedown", onClick(selectDate));
      }
      if (self.timeContainer !== undefined &&
        self.minuteElement !== undefined &&
        self.hourElement !== undefined) {
        var selText = function(e) {
          return e.target.select();
        };
        bind(self.timeContainer, ["increment"], updateTime);
        bind(self.timeContainer, "blur", updateTime, {
          capture: true
        });
        bind(self.timeContainer, "mousedown", onClick(timeIncrement));
        bind([self.hourElement, self.minuteElement], ["focus", "click"], selText);
        if (self.secondElement !== undefined)
          bind(self.secondElement, "focus", function() {
            return self.secondElement && self.secondElement.select();
          });
        if (self.amPM !== undefined) {
          bind(self.amPM, "mousedown", onClick(function(e) {
            updateTime(e);
            triggerChange();
          }));
        }
      }
    }
    /**
     * Set the calendar view to a particular date.
     * @param {Date} jumpDate the date to set the view to
     */
    function jumpToDate(jumpDate) {
      var jumpTo = jumpDate !== undefined ?
        self.parseDate(jumpDate) :
        self.latestSelectedDateObj ||
        (self.config.minDate && self.config.minDate > self.now ?
          self.config.minDate :
          self.config.maxDate && self.config.maxDate < self.now ?
          self.config.maxDate :
          self.now);
      try {
        if (jumpTo !== undefined) {
          self.currentYear = jumpTo.getFullYear();
          self.currentMonth = jumpTo.getMonth();
        }
      } catch (e) {
        /* istanbul ignore next */
        e.message = "Invalid date supplied: " + jumpTo;
        self.config.errorHandler(e);
      }
      self.redraw();
    }
    /**
     * The up/down arrow handler for time inputs
     * @param {Event} e the click event
     */
    function timeIncrement(e) {
      if (~e.target.className.indexOf("arrow"))
        incrementNumInput(e, e.target.classList.contains("arrowUp") ? 1 : -1);
    }
    /**
     * Increments/decrements the value of input associ-
     * ated with the up/down arrow by dispatching an
     * "increment" event on the input.
     *
     * @param {Event} e the click event
     * @param {Number} delta the diff (usually 1 or -1)
     * @param {Element} inputElem the input element
     */
    function incrementNumInput(e, delta, inputElem) {
      var target = e && e.target;
      var input = inputElem ||
        (target && target.parentNode && target.parentNode.firstChild);
      var event = createEvent("increment");
      event.delta = delta;
      input && input.dispatchEvent(event);
    }

    function build() {
      var fragment = window.document.createDocumentFragment();
      self.calendarContainer = createElement("div", "flatpickr-calendar");
      self.calendarContainer.tabIndex = -1;
      if (!self.config.noCalendar) {
        fragment.appendChild(buildMonthNav());
        self.innerContainer = createElement("div", "flatpickr-innerContainer");
        if (self.config.weekNumbers) {
          var _a = buildWeeks(),
            weekWrapper = _a.weekWrapper,
            weekNumbers = _a.weekNumbers;
          self.innerContainer.appendChild(weekWrapper);
          self.weekNumbers = weekNumbers;
          self.weekWrapper = weekWrapper;
        }
        self.rContainer = createElement("div", "flatpickr-rContainer");
        self.rContainer.appendChild(buildWeekdays());
        if (!self.daysContainer) {
          self.daysContainer = createElement("div", "flatpickr-days");
          self.daysContainer.tabIndex = -1;
        }
        buildDays();
        self.rContainer.appendChild(self.daysContainer);
        self.innerContainer.appendChild(self.rContainer);
        fragment.appendChild(self.innerContainer);
      }
      if (self.config.enableTime) {
        fragment.appendChild(buildTime());
      }
      toggleClass(self.calendarContainer, "rangeMode", self.config.mode === "range");
      toggleClass(self.calendarContainer, "animate", self.config.animate === true);
      toggleClass(self.calendarContainer, "multiMonth", self.config.showMonths > 1);
      self.calendarContainer.appendChild(fragment);
      var customAppend = self.config.appendTo !== undefined &&
        self.config.appendTo.nodeType !== undefined;
      if (self.config.inline || self.config.static) {
        self.calendarContainer.classList.add(self.config.inline ? "inline" : "static");
        if (self.config.inline) {
          if (!customAppend && self.element.parentNode)
            self.element.parentNode.insertBefore(self.calendarContainer, self._input.nextSibling);
          else if (self.config.appendTo !== undefined)
            self.config.appendTo.appendChild(self.calendarContainer);
        }
        if (self.config.static) {
          var wrapper = createElement("div", "flatpickr-wrapper");
          if (self.element.parentNode)
            self.element.parentNode.insertBefore(wrapper, self.element);
          wrapper.appendChild(self.element);
          if (self.altInput)
            wrapper.appendChild(self.altInput);
          wrapper.appendChild(self.calendarContainer);
        }
      }
      if (!self.config.static && !self.config.inline)
        (self.config.appendTo !== undefined ?
          self.config.appendTo :
          window.document.body).appendChild(self.calendarContainer);
    }

    function createDay(className, date, dayNumber, i) {
      var dateIsEnabled = isEnabled(date, true),
        dayElement = createElement("span", "flatpickr-day " + className, date.getDate().toString());
      dayElement.dateObj = date;
      dayElement.$i = i;
      dayElement.setAttribute("aria-label", self.formatDate(date, self.config.ariaDateFormat));
      if (className.indexOf("hidden") === -1 &&
        compareDates(date, self.now) === 0) {
        self.todayDateElem = dayElement;
        dayElement.classList.add("today");
        dayElement.setAttribute("aria-current", "date");
      }
      if (dateIsEnabled) {
        dayElement.tabIndex = -1;
        if (isDateSelected(date)) {
          dayElement.classList.add("selected");
          self.selectedDateElem = dayElement;
          if (self.config.mode === "range") {
            toggleClass(dayElement, "startRange", self.selectedDates[0] &&
              compareDates(date, self.selectedDates[0], true) === 0);
            toggleClass(dayElement, "endRange", self.selectedDates[1] &&
              compareDates(date, self.selectedDates[1], true) === 0);
            if (className === "nextMonthDay")
              dayElement.classList.add("inRange");
          }
        }
      } else {
        dayElement.classList.add("disabled");
      }
      if (self.config.mode === "range") {
        if (isDateInRange(date) && !isDateSelected(date))
          dayElement.classList.add("inRange");
      }
      if (self.weekNumbers &&
        self.config.showMonths === 1 &&
        className !== "prevMonthDay" &&
        dayNumber % 7 === 1) {
        self.weekNumbers.insertAdjacentHTML("beforeend", "<span class='flatpickr-day'>" + self.config.getWeek(date) + "</span>");
      }
      triggerEvent("onDayCreate", dayElement);
      return dayElement;
    }

    function focusOnDayElem(targetNode) {
      targetNode.focus();
      if (self.config.mode === "range")
        onMouseOver(targetNode);
    }

    function getFirstAvailableDay(delta) {
      var startMonth = delta > 0 ? 0 : self.config.showMonths - 1;
      var endMonth = delta > 0 ? self.config.showMonths : -1;
      for (var m = startMonth; m != endMonth; m += delta) {
        var month = self.daysContainer.children[m];
        var startIndex = delta > 0 ? 0 : month.children.length - 1;
        var endIndex = delta > 0 ? month.children.length : -1;
        for (var i = startIndex; i != endIndex; i += delta) {
          var c = month.children[i];
          if (c.className.indexOf("hidden") === -1 && isEnabled(c.dateObj))
            return c;
        }
      }
      return undefined;
    }

    function getNextAvailableDay(current, delta) {
      var givenMonth = current.className.indexOf("Month") === -1 ?
        current.dateObj.getMonth() :
        self.currentMonth;
      var endMonth = delta > 0 ? self.config.showMonths : -1;
      var loopDelta = delta > 0 ? 1 : -1;
      for (var m = givenMonth - self.currentMonth; m != endMonth; m += loopDelta) {
        var month = self.daysContainer.children[m];
        var startIndex = givenMonth - self.currentMonth === m ?
          current.$i + delta :
          delta < 0 ?
          month.children.length - 1 :
          0;
        var numMonthDays = month.children.length;
        for (var i = startIndex; i >= 0 && i < numMonthDays && i != (delta > 0 ? numMonthDays : -1); i += loopDelta) {
          var c = month.children[i];
          if (c.className.indexOf("hidden") === -1 &&
            isEnabled(c.dateObj) &&
            Math.abs(current.$i - i) >= Math.abs(delta))
            return focusOnDayElem(c);
        }
      }
      self.changeMonth(loopDelta);
      focusOnDay(getFirstAvailableDay(loopDelta), 0);
      return undefined;
    }

    function focusOnDay(current, offset) {
      var dayFocused = isInView(document.activeElement || document.body);
      var startElem = current !== undefined ?
        current :
        dayFocused ?
        document.activeElement :
        self.selectedDateElem !== undefined && isInView(self.selectedDateElem) ?
        self.selectedDateElem :
        self.todayDateElem !== undefined && isInView(self.todayDateElem) ?
        self.todayDateElem :
        getFirstAvailableDay(offset > 0 ? 1 : -1);
      if (startElem === undefined)
        return self._input.focus();
      if (!dayFocused)
        return focusOnDayElem(startElem);
      getNextAvailableDay(startElem, offset);
    }

    function buildMonthDays(year, month) {
      var firstOfMonth = (new Date(year, month, 1).getDay() - self.l10n.firstDayOfWeek + 7) % 7;
      var prevMonthDays = self.utils.getDaysInMonth((month - 1 + 12) % 12);
      var daysInMonth = self.utils.getDaysInMonth(month),
        days = window.document.createDocumentFragment(),
        isMultiMonth = self.config.showMonths > 1,
        prevMonthDayClass = isMultiMonth ? "prevMonthDay hidden" : "prevMonthDay",
        nextMonthDayClass = isMultiMonth ? "nextMonthDay hidden" : "nextMonthDay";
      var dayNumber = prevMonthDays + 1 - firstOfMonth,
        dayIndex = 0;
      // prepend days from the ending of previous month
      for (; dayNumber <= prevMonthDays; dayNumber++, dayIndex++) {
        days.appendChild(createDay(prevMonthDayClass, new Date(year, month - 1, dayNumber), dayNumber, dayIndex));
      }
      // Start at 1 since there is no 0th day
      for (dayNumber = 1; dayNumber <= daysInMonth; dayNumber++, dayIndex++) {
        days.appendChild(createDay("", new Date(year, month, dayNumber), dayNumber, dayIndex));
      }
      // append days from the next month
      for (var dayNum = daysInMonth + 1; dayNum <= 42 - firstOfMonth &&
        (self.config.showMonths === 1 || dayIndex % 7 !== 0); dayNum++, dayIndex++) {
        days.appendChild(createDay(nextMonthDayClass, new Date(year, month + 1, dayNum % daysInMonth), dayNum, dayIndex));
      }
      //updateNavigationCurrentMonth();
      var dayContainer = createElement("div", "dayContainer");
      dayContainer.appendChild(days);
      return dayContainer;
    }

    function buildDays() {
      if (self.daysContainer === undefined) {
        return;
      }
      clearNode(self.daysContainer);
      // TODO: week numbers for each month
      if (self.weekNumbers)
        clearNode(self.weekNumbers);
      var frag = document.createDocumentFragment();
      for (var i = 0; i < self.config.showMonths; i++) {
        var d = new Date(self.currentYear, self.currentMonth, 1);
        d.setMonth(self.currentMonth + i);
        frag.appendChild(buildMonthDays(d.getFullYear(), d.getMonth()));
      }
      self.daysContainer.appendChild(frag);
      self.days = self.daysContainer.firstChild;
      if (self.config.mode === "range" && self.selectedDates.length === 1) {
        onMouseOver();
      }
    }

    function buildMonth() {
      var container = createElement("div", "flatpickr-month");
      var monthNavFragment = window.document.createDocumentFragment();
      var monthElement = createElement("span", "cur-month");
      var yearInput = createNumberInput("cur-year", {
        tabindex: "-1"
      });
      var yearElement = yearInput.getElementsByTagName("input")[0];
      yearElement.setAttribute("aria-label", self.l10n.yearAriaLabel);
      if (self.config.minDate) {
        yearElement.setAttribute("min", self.config.minDate.getFullYear().toString());
      }
      if (self.config.maxDate) {
        yearElement.setAttribute("max", self.config.maxDate.getFullYear().toString());
        yearElement.disabled = !!self.config.minDate &&
          self.config.minDate.getFullYear() === self.config.maxDate.getFullYear();
      }
      var currentMonth = createElement("div", "flatpickr-current-month");
      currentMonth.appendChild(monthElement);
      currentMonth.appendChild(yearInput);
      monthNavFragment.appendChild(currentMonth);
      container.appendChild(monthNavFragment);
      return {
        container: container,
        yearElement: yearElement,
        monthElement: monthElement
      };
    }

    function buildMonths() {
      clearNode(self.monthNav);
      self.monthNav.appendChild(self.prevMonthNav);
      if (self.config.showMonths) {
        self.yearElements = [];
        self.monthElements = [];
      }
      for (var m = self.config.showMonths; m--;) {
        var month = buildMonth();
        self.yearElements.push(month.yearElement);
        self.monthElements.push(month.monthElement);
        self.monthNav.appendChild(month.container);
      }
      self.monthNav.appendChild(self.nextMonthNav);
    }

    function buildMonthNav() {
      self.monthNav = createElement("div", "flatpickr-months");
      self.yearElements = [];
      self.monthElements = [];
      self.prevMonthNav = createElement("span", "flatpickr-prev-month");
      self.prevMonthNav.innerHTML = self.config.prevArrow;
      self.nextMonthNav = createElement("span", "flatpickr-next-month");
      self.nextMonthNav.innerHTML = self.config.nextArrow;
      buildMonths();
      Object.defineProperty(self, "_hidePrevMonthArrow", {
        get: function() {
          return self.__hidePrevMonthArrow;
        },
        set: function(bool) {
          if (self.__hidePrevMonthArrow !== bool) {
            toggleClass(self.prevMonthNav, "disabled", bool);
            self.__hidePrevMonthArrow = bool;
          }
        }
      });
      Object.defineProperty(self, "_hideNextMonthArrow", {
        get: function() {
          return self.__hideNextMonthArrow;
        },
        set: function(bool) {
          if (self.__hideNextMonthArrow !== bool) {
            toggleClass(self.nextMonthNav, "disabled", bool);
            self.__hideNextMonthArrow = bool;
          }
        }
      });
      self.currentYearElement = self.yearElements[0];
      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.getElementsByTagName("input")[0];
      var minuteInput = createNumberInput("flatpickr-minute");
      self.minuteElement = minuteInput.getElementsByTagName("input")[0];
      self.hourElement.tabIndex = self.minuteElement.tabIndex = -1;
      self.hourElement.value = pad(self.latestSelectedDateObj ?
        self.latestSelectedDateObj.getHours() :
        self.config.time_24hr ?
        self.config.defaultHour :
        military2ampm(self.config.defaultHour));
      self.minuteElement.value = pad(self.latestSelectedDateObj ?
        self.latestSelectedDateObj.getMinutes() :
        self.config.defaultMinute);
      self.hourElement.setAttribute("step", self.config.hourIncrement.toString());
      self.minuteElement.setAttribute("step", self.config.minuteIncrement.toString());
      self.hourElement.setAttribute("min", self.config.time_24hr ? "0" : "1");
      self.hourElement.setAttribute("max", self.config.time_24hr ? "23" : "12");
      self.minuteElement.setAttribute("min", "0");
      self.minuteElement.setAttribute("max", "59");
      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.getElementsByTagName("input")[0];
        self.secondElement.value = pad(self.latestSelectedDateObj ?
          self.latestSelectedDateObj.getSeconds() :
          self.config.defaultSeconds);
        self.secondElement.setAttribute("step", self.minuteElement.getAttribute("step"));
        self.secondElement.setAttribute("min", "0");
        self.secondElement.setAttribute("max", "59");
        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", self.l10n.amPM[int((self.latestSelectedDateObj ?
          self.hourElement.value :
          self.config.defaultHour) > 11)]);
        self.amPM.title = self.l10n.toggleTitle;
        self.amPM.tabIndex = -1;
        self.timeContainer.appendChild(self.amPM);
      }
      return self.timeContainer;
    }

    function buildWeekdays() {
      if (!self.weekdayContainer)
        self.weekdayContainer = createElement("div", "flatpickr-weekdays");
      else
        clearNode(self.weekdayContainer);
      for (var i = self.config.showMonths; i--;) {
        var container = createElement("div", "flatpickr-weekdaycontainer");
        self.weekdayContainer.appendChild(container);
      }
      updateWeekdays();
      return self.weekdayContainer;
    }

    function updateWeekdays() {
      var firstDayOfWeek = self.l10n.firstDayOfWeek;
      var weekdays = self.l10n.weekdays.shorthand.slice();
      if (firstDayOfWeek > 0 && firstDayOfWeek < weekdays.length) {
        weekdays = weekdays.splice(firstDayOfWeek, weekdays.length).concat(weekdays.splice(0, firstDayOfWeek));
      }
      for (var i = self.config.showMonths; i--;) {
        self.weekdayContainer.children[i].innerHTML = "\n      <span class='flatpickr-weekday'>\n        " + weekdays.join("</span><span class='flatpickr-weekday'>") + "\n      </span>\n      ";
      }
    }
    /* istanbul ignore next */
    function buildWeeks() {
      self.calendarContainer.classList.add("hasWeeks");
      var weekWrapper = createElement("div", "flatpickr-weekwrapper");
      weekWrapper.appendChild(createElement("span", "flatpickr-weekday", self.l10n.weekAbbreviation));
      var weekNumbers = createElement("div", "flatpickr-weeks");
      weekWrapper.appendChild(weekNumbers);
      return {
        weekWrapper: weekWrapper,
        weekNumbers: weekNumbers
      };
    }

    function changeMonth(value, is_offset) {
      if (is_offset === void 0) {
        is_offset = true;
      }
      var delta = is_offset ? value : value - self.currentMonth;
      if ((delta < 0 && self._hidePrevMonthArrow === true) ||
        (delta > 0 && self._hideNextMonthArrow === true))
        return;
      self.currentMonth += delta;
      if (self.currentMonth < 0 || self.currentMonth > 11) {
        self.currentYear += self.currentMonth > 11 ? 1 : -1;
        self.currentMonth = (self.currentMonth + 12) % 12;
        triggerEvent("onYearChange");
      }
      buildDays();
      triggerEvent("onMonthChange");
      updateNavigationCurrentMonth();
    }

    function clear(triggerChangeEvent, toInitial) {
      if (triggerChangeEvent === void 0) {
        triggerChangeEvent = true;
      }
      if (toInitial === void 0) {
        toInitial = true;
      }
      self.input.value = "";
      if (self.altInput !== undefined)
        self.altInput.value = "";
      if (self.mobileInput !== undefined)
        self.mobileInput.value = "";
      self.selectedDates = [];
      self.latestSelectedDateObj = undefined;
      if (toInitial === true) {
        self.currentYear = self._initialDate.getFullYear();
        self.currentMonth = self._initialDate.getMonth();
      }
      self.showTimeInput = false;
      if (self.config.enableTime === true) {
        setDefaultHours();
      }
      self.redraw();
      if (triggerChangeEvent)
        // triggerChangeEvent is true (default) or an Event
        triggerEvent("onChange");
    }

    function close() {
      self.isOpen = false;
      if (!self.isMobile) {
        if (self.calendarContainer !== undefined) {
          self.calendarContainer.classList.remove("open");
        }
        if (self._input !== undefined) {
          self._input.classList.remove("active");
        }
      }
      triggerEvent("onClose");
    }

    function destroy() {
      if (self.config !== undefined)
        triggerEvent("onDestroy");
      for (var i = self._handlers.length; i--;) {
        var h = self._handlers[i];
        h.element.removeEventListener(h.event, h.handler, h.options);
      }
      self._handlers = [];
      if (self.mobileInput) {
        if (self.mobileInput.parentNode)
          self.mobileInput.parentNode.removeChild(self.mobileInput);
        self.mobileInput = undefined;
      } else if (self.calendarContainer && self.calendarContainer.parentNode) {
        if (self.config.static && self.calendarContainer.parentNode) {
          var wrapper = self.calendarContainer.parentNode;
          wrapper.lastChild && wrapper.removeChild(wrapper.lastChild);
          if (wrapper.parentNode) {
            while (wrapper.firstChild)
              wrapper.parentNode.insertBefore(wrapper.firstChild, wrapper);
            wrapper.parentNode.removeChild(wrapper);
          }
        } else
          self.calendarContainer.parentNode.removeChild(self.calendarContainer);
      }
      if (self.altInput) {
        self.input.type = "text";
        if (self.altInput.parentNode)
          self.altInput.parentNode.removeChild(self.altInput);
        delete self.altInput;
      }
      if (self.input) {
        self.input.type = self.input._type;
        self.input.classList.remove("flatpickr-input");
        self.input.removeAttribute("readonly");
        self.input.value = "";
      }
      [
        "_showTimeInput",
        "latestSelectedDateObj",
        "_hideNextMonthArrow",
        "_hidePrevMonthArrow",
        "__hideNextMonthArrow",
        "__hidePrevMonthArrow",
        "isMobile",
        "isOpen",
        "selectedDateElem",
        "minDateHasTime",
        "maxDateHasTime",
        "days",
        "daysContainer",
        "_input",
        "_positionElement",
        "innerContainer",
        "rContainer",
        "monthNav",
        "todayDateElem",
        "calendarContainer",
        "weekdayContainer",
        "prevMonthNav",
        "nextMonthNav",
        "currentMonthElement",
        "currentYearElement",
        "navigationCurrentMonth",
        "selectedDateElem",
        "config",
      ].forEach(function(k) {
        try {
          delete self[k];
        } catch (_) {}
      });
    }

    function isCalendarElem(elem) {
      if (self.config.appendTo && self.config.appendTo.contains(elem))
        return true;
      return self.calendarContainer.contains(elem);
    }

    function documentClick(e) {
      if (self.isOpen && !self.config.inline) {
        var eventTarget_1 = getEventTarget(e);
        var isCalendarElement = isCalendarElem(eventTarget_1);
        var isInput = eventTarget_1 === self.input ||
          eventTarget_1 === self.altInput ||
          self.element.contains(eventTarget_1) ||
          // web components
          // e.path is not present in all browsers. circumventing typechecks
          (e.path &&
            e.path.indexOf &&
            (~e.path.indexOf(self.input) ||
              ~e.path.indexOf(self.altInput)));
        var lostFocus = e.type === "blur" ?
          isInput &&
          e.relatedTarget &&
          !isCalendarElem(e.relatedTarget) :
          !isInput &&
          !isCalendarElement &&
          !isCalendarElem(e.relatedTarget);
        var isIgnored = !self.config.ignoredFocusElements.some(function(elem) {
          return elem.contains(eventTarget_1);
        });
        if (lostFocus && isIgnored) {
          self.close();
          if (self.config.mode === "range" && self.selectedDates.length === 1) {
            self.clear(false);
            self.redraw();
          }
        }
      }
    }

    function changeYear(newYear) {
      if (!newYear ||
        (self.config.minDate && newYear < self.config.minDate.getFullYear()) ||
        (self.config.maxDate && newYear > self.config.maxDate.getFullYear()))
        return;
      var newYearNum = newYear,
        isNewYear = self.currentYear !== newYearNum;
      self.currentYear = newYearNum || 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);
      }
      if (isNewYear) {
        self.redraw();
        triggerEvent("onYearChange");
      }
    }

    function isEnabled(date, timeless) {
      if (timeless === void 0) {
        timeless = true;
      }
      var dateToCheck = self.parseDate(date, undefined, timeless); // timeless
      if ((self.config.minDate &&
          dateToCheck &&
          compareDates(dateToCheck, self.config.minDate, timeless !== undefined ? timeless : !self.minDateHasTime) < 0) ||
        (self.config.maxDate &&
          dateToCheck &&
          compareDates(dateToCheck, self.config.maxDate, timeless !== undefined ? timeless : !self.maxDateHasTime) > 0))
        return false;
      if (self.config.enable.length === 0 && self.config.disable.length === 0)
        return true;
      if (dateToCheck === undefined)
        return false;
      var bool = self.config.enable.length > 0,
        array = bool ? self.config.enable : self.config.disable;
      for (var i = 0, d = void 0; i < array.length; i++) {
        d = array[i];
        if (typeof d === "function" &&
          d(dateToCheck) // disabled by function
        )
          return bool;
        else if (d instanceof Date &&
          dateToCheck !== undefined &&
          d.getTime() === dateToCheck.getTime())
          // disabled by date
          return bool;
        else if (typeof d === "string" && dateToCheck !== undefined) {
          // disabled by date string
          var parsed = self.parseDate(d, undefined, true);
          return parsed && parsed.getTime() === dateToCheck.getTime() ?
            bool :
            !bool;
        } else if (
          // disabled by range
          typeof d === "object" &&
          dateToCheck !== undefined &&
          d.from &&
          d.to &&
          dateToCheck.getTime() >= d.from.getTime() &&
          dateToCheck.getTime() <= d.to.getTime())
          return bool;
      }
      return !bool;
    }

    function isInView(elem) {
      if (self.daysContainer !== undefined)
        return (elem.className.indexOf("hidden") === -1 &&
          self.daysContainer.contains(elem));
      return false;
    }

    function onKeyDown(e) {
      // e.key                      e.keyCode
      // "Backspace"                        8
      // "Tab"                              9
      // "Enter"                           13
      // "Escape"     (IE "Esc")           27
      // "ArrowLeft"  (IE "Left")          37
      // "ArrowUp"    (IE "Up")            38
      // "ArrowRight" (IE "Right")         39
      // "ArrowDown"  (IE "Down")          40
      // "Delete"     (IE "Del")           46
      var isInput = e.target === self._input;
      var allowInput = self.config.allowInput;
      var allowKeydown = self.isOpen && (!allowInput || !isInput);
      var allowInlineKeydown = self.config.inline && isInput && !allowInput;
      if (e.keyCode === 13 && isInput) {
        if (allowInput) {
          self.setDate(self._input.value, true, e.target === self.altInput ?
            self.config.altFormat :
            self.config.dateFormat);
          return e.target.blur();
        } else
          self.open();
      } else if (isCalendarElem(e.target) ||
        allowKeydown ||
        allowInlineKeydown) {
        var isTimeObj = !!self.timeContainer &&
          self.timeContainer.contains(e.target);
        switch (e.keyCode) {
          case 13:
            if (isTimeObj) {
              updateTime();
              focusAndClose();
            } else
              selectDate(e);
            break;
          case 27: // escape
            e.preventDefault();
            focusAndClose();
            break;
          case 8:
          case 46:
            if (isInput && !self.config.allowInput) {
              e.preventDefault();
              self.clear();
            }
            break;
          case 37:
          case 39:
            if (!isTimeObj) {
              e.preventDefault();
              if (self.daysContainer !== undefined &&
                (allowInput === false ||
                  (document.activeElement && isInView(document.activeElement)))) {
                var delta_1 = e.keyCode === 39 ? 1 : -1;
                if (!e.ctrlKey)
                  focusOnDay(undefined, delta_1);
                else {
                  e.stopPropagation();
                  changeMonth(delta_1);
                  focusOnDay(getFirstAvailableDay(1), 0);
                }
              }
            } else if (self.hourElement)
              self.hourElement.focus();
            break;
          case 38:
          case 40:
            e.preventDefault();
            var delta = e.keyCode === 40 ? 1 : -1;
            if ((self.daysContainer && e.target.$i !== undefined) ||
              e.target === self.input) {
              if (e.ctrlKey) {
                e.stopPropagation();
                changeYear(self.currentYear - delta);
                focusOnDay(getFirstAvailableDay(1), 0);
              } else if (!isTimeObj)
                focusOnDay(undefined, delta * 7);
            } else if (self.config.enableTime) {
              if (!isTimeObj && self.hourElement)
                self.hourElement.focus();
              updateTime(e);
              self._debouncedChange();
            }
            break;
          case 9:
            if (isTimeObj) {
              var elems = [
                self.hourElement,
                self.minuteElement,
                self.secondElement,
                self.amPM,
              ].filter(function(x) {
                return x;
              });
              var i = elems.indexOf(e.target);
              if (i !== -1) {
                var target = elems[i + (e.shiftKey ? -1 : 1)];
                if (target !== undefined) {
                  e.preventDefault();
                  target.focus();
                } else if (e.shiftKey) {
                  e.preventDefault();
                  self._input.focus();
                }
              }
            }
            break;
          default:
            break;
        }
      }
      if (self.amPM !== undefined && e.target === self.amPM) {
        switch (e.key) {
          case self.l10n.amPM[0].charAt(0):
          case self.l10n.amPM[0].charAt(0).toLowerCase():
            self.amPM.textContent = self.l10n.amPM[0];
            setHoursFromInputs();
            updateValue();
            break;
          case self.l10n.amPM[1].charAt(0):
          case self.l10n.amPM[1].charAt(0).toLowerCase():
            self.amPM.textContent = self.l10n.amPM[1];
            setHoursFromInputs();
            updateValue();
            break;
        }
      }
      triggerEvent("onKeyDown", e);
    }

    function onMouseOver(elem) {
      if (self.selectedDates.length !== 1 ||
        (elem &&
          (!elem.classList.contains("flatpickr-day") ||
            elem.classList.contains("disabled"))))
        return;
      var hoverDate = elem ?
        elem.dateObj.getTime() :
        self.days.firstElementChild.dateObj.getTime(),
        initialDate = self.parseDate(self.selectedDates[0], undefined, true).getTime(),
        rangeStartDate = Math.min(hoverDate, self.selectedDates[0].getTime()),
        rangeEndDate = Math.max(hoverDate, self.selectedDates[0].getTime()),
        lastDate = self.daysContainer.lastChild
        .lastChild.dateObj.getTime();
      var containsDisabled = false;
      var minRange = 0,
        maxRange = 0;
      for (var t = rangeStartDate; t < lastDate; t += duration.DAY) {
        if (!isEnabled(new Date(t), true)) {
          containsDisabled =
            containsDisabled || (t > rangeStartDate && t < rangeEndDate);
          if (t < initialDate && (!minRange || t > minRange))
            minRange = t;
          else if (t > initialDate && (!maxRange || t < maxRange))
            maxRange = t;
        }
      }
      for (var m = 0; m < self.config.showMonths; m++) {
        var month = self.daysContainer.children[m];
        var prevMonth = self.daysContainer.children[m - 1];
        var _loop_1 = function(i, l) {
          var dayElem = month.children[i],
            date = dayElem.dateObj;
          var timestamp = date.getTime();
          var outOfRange = (minRange > 0 && timestamp < minRange) ||
            (maxRange > 0 && timestamp > maxRange);
          if (outOfRange) {
            dayElem.classList.add("notAllowed");
            ["inRange", "startRange", "endRange"].forEach(function(c) {
              dayElem.classList.remove(c);
            });
            return "continue";
          } else if (containsDisabled && !outOfRange)
            return "continue";
          ["startRange", "inRange", "endRange", "notAllowed"].forEach(function(c) {
            dayElem.classList.remove(c);
          });
          if (elem !== undefined) {
            elem.classList.add(hoverDate < self.selectedDates[0].getTime() ?
              "startRange" :
              "endRange");
            if (month.contains(elem) ||
              !(m > 0 &&
                prevMonth &&
                prevMonth.lastChild.dateObj.getTime() >= timestamp)) {
              if (initialDate < hoverDate && timestamp === initialDate)
                dayElem.classList.add("startRange");
              else if (initialDate > hoverDate && timestamp === initialDate)
                dayElem.classList.add("endRange");
              if (timestamp >= minRange &&
                (maxRange === 0 || timestamp <= maxRange) &&
                isBetween(timestamp, initialDate, hoverDate))
                dayElem.classList.add("inRange");
            }
          }
        };
        for (var i = 0, l = month.children.length; i < l; i++) {
          _loop_1(i, l);
        }
      }
    }

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

    function setDefaultTime() {
      self.setDate(self.config.minDate !== undefined ?
        new Date(self.config.minDate.getTime()) :
        new Date(), false);
      setDefaultHours();
      updateValue();
    }

    function open(e, positionElement) {
      if (positionElement === void 0) {
        positionElement = self._positionElement;
      }
      if (self.isMobile === true) {
        if (e) {
          e.preventDefault();
          e.target && e.target.blur();
        }
        if (self.mobileInput !== undefined) {
          self.mobileInput.focus();
          self.mobileInput.click();
        }
        triggerEvent("onOpen");
        return;
      }
      if (self._input.disabled || self.config.inline)
        return;
      var wasOpen = self.isOpen;
      self.isOpen = true;
      if (!wasOpen) {
        self.calendarContainer.classList.add("open");
        self._input.classList.add("active");
        triggerEvent("onOpen");
        positionCalendar(positionElement);
      }
      if (self.config.enableTime === true && self.config.noCalendar === true) {
        if (self.selectedDates.length === 0) {
          setDefaultTime();
        }
        if (self.config.allowInput === false &&
          (e === undefined ||
            !self.timeContainer.contains(e.relatedTarget))) {
          setTimeout(function() {
            return self.hourElement.select();
          }, 50);
        }
      }
    }

    function minMaxDateSetter(type) {
      return function(date) {
        var dateObj = (self.config["_" + type + "Date"] = self.parseDate(date, self.config.dateFormat));
        var inverseDateObj = self.config["_" + (type === "min" ? "max" : "min") + "Date"];
        if (dateObj !== undefined) {
          self[type === "min" ? "minDateHasTime" : "maxDateHasTime"] =
            dateObj.getHours() > 0 ||
            dateObj.getMinutes() > 0 ||
            dateObj.getSeconds() > 0;
        }
        if (self.selectedDates) {
          self.selectedDates = self.selectedDates.filter(function(d) {
            return isEnabled(d);
          });
          if (!self.selectedDates.length && type === "min")
            setHoursFromDate(dateObj);
          updateValue();
        }
        if (self.daysContainer) {
          redraw();
          if (dateObj !== undefined)
            self.currentYearElement[type] = dateObj.getFullYear().toString();
          else
            self.currentYearElement.removeAttribute(type);
          self.currentYearElement.disabled = !!inverseDateObj &&
            dateObj !== undefined &&
            inverseDateObj.getFullYear() === dateObj.getFullYear();
        }
      };
    }

    function parseConfig() {
      var boolOpts = [
        "wrap",
        "weekNumbers",
        "allowInput",
        "clickOpens",
        "time_24hr",
        "enableTime",
        "noCalendar",
        "altInput",
        "shorthandCurrentMonth",
        "inline",
        "static",
        "enableSeconds",
        "disableMobile",
      ];
      var userConfig = __assign({}, instanceConfig, JSON.parse(JSON.stringify(element.dataset || {})));
      var formats = {};
      self.config.parseDate = userConfig.parseDate;
      self.config.formatDate = userConfig.formatDate;
      Object.defineProperty(self.config, "enable", {
        get: function() {
          return self.config._enable;
        },
        set: function(dates) {
          self.config._enable = parseDateRules(dates);
        }
      });
      Object.defineProperty(self.config, "disable", {
        get: function() {
          return self.config._disable;
        },
        set: function(dates) {
          self.config._disable = parseDateRules(dates);
        }
      });
      var timeMode = userConfig.mode === "time";
      if (!userConfig.dateFormat && (userConfig.enableTime || timeMode)) {
        formats.dateFormat =
          userConfig.noCalendar || timeMode ?
          "H:i" + (userConfig.enableSeconds ? ":S" : "") :
          flatpickr.defaultConfig.dateFormat +
          " H:i" +
          (userConfig.enableSeconds ? ":S" : "");
      }
      if (userConfig.altInput &&
        (userConfig.enableTime || timeMode) &&
        !userConfig.altFormat) {
        formats.altFormat =
          userConfig.noCalendar || timeMode ?
          "h:i" + (userConfig.enableSeconds ? ":S K" : " K") :
          flatpickr.defaultConfig.altFormat +
          (" h:i" + (userConfig.enableSeconds ? ":S" : "") + " K");
      }
      Object.defineProperty(self.config, "minDate", {
        get: function() {
          return self.config._minDate;
        },
        set: minMaxDateSetter("min")
      });
      Object.defineProperty(self.config, "maxDate", {
        get: function() {
          return self.config._maxDate;
        },
        set: minMaxDateSetter("max")
      });
      var minMaxTimeSetter = function(type) {
        return function(val) {
          self.config[type === "min" ? "_minTime" : "_maxTime"] = self.parseDate(val, "H:i");
        };
      };
      Object.defineProperty(self.config, "minTime", {
        get: function() {
          return self.config._minTime;
        },
        set: minMaxTimeSetter("min")
      });
      Object.defineProperty(self.config, "maxTime", {
        get: function() {
          return self.config._maxTime;
        },
        set: minMaxTimeSetter("max")
      });
      if (userConfig.mode === "time") {
        self.config.noCalendar = true;
        self.config.enableTime = true;
      }
      Object.assign(self.config, formats, userConfig);
      for (var i = 0; i < boolOpts.length; i++)
        self.config[boolOpts[i]] =
        self.config[boolOpts[i]] === true ||
        self.config[boolOpts[i]] === "true";
      HOOKS.filter(function(hook) {
        return self.config[hook] !== undefined;
      }).forEach(function(hook) {
        self.config[hook] = arrayify(self.config[hook] || []).map(bindToInstance);
      });
      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);
      for (var i = 0; i < self.config.plugins.length; i++) {
        var pluginConf = self.config.plugins[i](self) || {};
        for (var key in pluginConf) {
          if (HOOKS.indexOf(key) > -1) {
            self.config[key] = arrayify(pluginConf[key])
              .map(bindToInstance)
              .concat(self.config[key]);
          } else if (typeof userConfig[key] === "undefined")
            self.config[key] = pluginConf[key];
        }
      }
      triggerEvent("onParseConfig");
    }

    function setupLocale() {
      if (typeof self.config.locale !== "object" &&
        typeof flatpickr.l10ns[self.config.locale] === "undefined")
        self.config.errorHandler(new Error("flatpickr: invalid locale " + self.config.locale));
      self.l10n = __assign({}, flatpickr.l10ns["default"], (typeof self.config.locale === "object" ?
        self.config.locale :
        self.config.locale !== "default" ?
        flatpickr.l10ns[self.config.locale] :
        undefined));
      tokenRegex.K = "(" + self.l10n.amPM[0] + "|" + self.l10n.amPM[1] + "|" + self.l10n.amPM[0].toLowerCase() + "|" + self.l10n.amPM[1].toLowerCase() + ")";
      self.formatDate = createDateFormatter(self);
      self.parseDate = createDateParser({
        config: self.config,
        l10n: self.l10n
      });
    }

    function positionCalendar(customPositionElement) {
      if (self.calendarContainer === undefined)
        return;
      triggerEvent("onPreCalendarPosition");
      var positionElement = customPositionElement || self._positionElement;
      var calendarHeight = Array.prototype.reduce.call(self.calendarContainer.children, (function(acc, child) {
          return acc + child.offsetHeight;
        }), 0),
        calendarWidth = self.calendarContainer.offsetWidth,
        configPos = self.config.position.split(" "),
        configPosVertical = configPos[0],
        configPosHorizontal = configPos.length > 1 ? configPos[1] : null,
        inputBounds = positionElement.getBoundingClientRect(),
        distanceFromBottom = window.innerHeight - inputBounds.bottom,
        showOnTop = configPosVertical === "above" ||
        (configPosVertical !== "below" &&
          distanceFromBottom < calendarHeight &&
          inputBounds.top > calendarHeight);
      var top = window.pageYOffset +
        inputBounds.top +
        (!showOnTop ? positionElement.offsetHeight + 2 : -calendarHeight - 2);
      toggleClass(self.calendarContainer, "arrowTop", !showOnTop);
      toggleClass(self.calendarContainer, "arrowBottom", showOnTop);
      if (self.config.inline)
        return;
      var left = window.pageXOffset +
        inputBounds.left -
        (configPosHorizontal != null && configPosHorizontal === "center" ?
          (calendarWidth - inputBounds.width) / 2 :
          0);
      var right = window.document.body.offsetWidth - inputBounds.right;
      var rightMost = left + calendarWidth > window.document.body.offsetWidth;
      var centerMost = right + calendarWidth > window.document.body.offsetWidth;
      toggleClass(self.calendarContainer, "rightMost", rightMost);
      if (self.config.static)
        return;
      self.calendarContainer.style.top = top + "px";
      if (!rightMost) {
        self.calendarContainer.style.left = left + "px";
        self.calendarContainer.style.right = "auto";
      } else if (!centerMost) {
        self.calendarContainer.style.left = "auto";
        self.calendarContainer.style.right = right + "px";
      } else {
        var doc = document.styleSheets[0];
        // some testing environments don't have css support
        if (doc === undefined)
          return;
        var bodyWidth = window.document.body.offsetWidth;
        var centerLeft = Math.max(0, bodyWidth / 2 - calendarWidth / 2);
        var centerBefore = ".flatpickr-calendar.centerMost:before";
        var centerAfter = ".flatpickr-calendar.centerMost:after";
        var centerIndex = doc.cssRules.length;
        var centerStyle = "{left:" + inputBounds.left + "px;right:auto;}";
        toggleClass(self.calendarContainer, "rightMost", false);
        toggleClass(self.calendarContainer, "centerMost", true);
        doc.insertRule(centerBefore + "," + centerAfter + centerStyle, centerIndex);
        self.calendarContainer.style.left = centerLeft + "px";
        self.calendarContainer.style.right = "auto";
      }
    }

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

    function focusAndClose() {
      self._input.focus();
      if (window.navigator.userAgent.indexOf("MSIE") !== -1 ||
        navigator.msMaxTouchPoints !== undefined) {
        // hack - bugs in the way IE handles focus keeps the calendar open
        setTimeout(self.close, 0);
      } else {
        self.close();
      }
    }

    function selectDate(e) {
      e.preventDefault();
      e.stopPropagation();
      var isSelectable = function(day) {
        return day.classList &&
          day.classList.contains("flatpickr-day") &&
          !day.classList.contains("disabled") &&
          !day.classList.contains("notAllowed");
      };
      var t = findParent(e.target, isSelectable);
      if (t === undefined)
        return;
      var target = t;
      var selectedDate = (self.latestSelectedDateObj = new Date(target.dateObj.getTime()));
      var shouldChangeMonth = (selectedDate.getMonth() < self.currentMonth ||
          selectedDate.getMonth() >
          self.currentMonth + self.config.showMonths - 1) &&
        self.config.mode !== "range";
      self.selectedDateElem = target;
      if (self.config.mode === "single")
        self.selectedDates = [selectedDate];
      else if (self.config.mode === "multiple") {
        var selectedIndex = isDateSelected(selectedDate);
        if (selectedIndex)
          self.selectedDates.splice(parseInt(selectedIndex), 1);
        else
          self.selectedDates.push(selectedDate);
      } else if (self.config.mode === "range") {
        if (self.selectedDates.length === 2) {
          self.clear(false, false);
        }
        self.latestSelectedDateObj = selectedDate;
        self.selectedDates.push(selectedDate);
        // unless selecting same date twice, sort ascendingly
        if (compareDates(selectedDate, self.selectedDates[0], true) !== 0)
          self.selectedDates.sort(function(a, b) {
            return a.getTime() - b.getTime();
          });
      }
      setHoursFromInputs();
      if (shouldChangeMonth) {
        var isNewYear = self.currentYear !== selectedDate.getFullYear();
        self.currentYear = selectedDate.getFullYear();
        self.currentMonth = selectedDate.getMonth();
        if (isNewYear)
          triggerEvent("onYearChange");
        triggerEvent("onMonthChange");
      }
      updateNavigationCurrentMonth();
      buildDays();
      updateValue();
      if (self.config.enableTime)
        setTimeout(function() {
          return (self.showTimeInput = true);
        }, 50);
      // maintain focus
      if (!shouldChangeMonth &&
        self.config.mode !== "range" &&
        self.config.showMonths === 1)
        focusOnDayElem(target);
      else if (self.selectedDateElem !== undefined &&
        self.hourElement === undefined) {
        self.selectedDateElem && self.selectedDateElem.focus();
      }
      if (self.hourElement !== undefined)
        self.hourElement !== undefined && self.hourElement.focus();
      if (self.config.closeOnSelect) {
        var single = self.config.mode === "single" && !self.config.enableTime;
        var range = self.config.mode === "range" &&
          self.selectedDates.length === 2 &&
          !self.config.enableTime;
        if (single || range) {
          focusAndClose();
        }
      }
      triggerChange();
    }
    var CALLBACKS = {
      locale: [setupLocale, updateWeekdays],
      showMonths: [buildMonths, setCalendarWidth, buildWeekdays]
    };

    function set(option, value) {
      if (option !== null && typeof option === "object")
        Object.assign(self.config, option);
      else {
        self.config[option] = value;
        if (CALLBACKS[option] !== undefined)
          CALLBACKS[option].forEach(function(x) {
            return x();
          });
        else if (HOOKS.indexOf(option) > -1)
          self.config[option] = arrayify(value);
      }
      self.redraw();
      updateValue(false);
    }

    function setSelectedDate(inputDate, format) {
      var dates = [];
      if (inputDate instanceof Array)
        dates = inputDate.map(function(d) {
          return self.parseDate(d, format);
        });
      else if (inputDate instanceof Date || typeof inputDate === "number")
        dates = [self.parseDate(inputDate, format)];
      else if (typeof inputDate === "string") {
        switch (self.config.mode) {
          case "single":
          case "time":
            dates = [self.parseDate(inputDate, format)];
            break;
          case "multiple":
            dates = inputDate
              .split(self.config.conjunction)
              .map(function(date) {
                return self.parseDate(date, format);
              });
            break;
          case "range":
            dates = inputDate
              .split(self.l10n.rangeSeparator)
              .map(function(date) {
                return self.parseDate(date, format);
              });
            break;
          default:
            break;
        }
      } else
        self.config.errorHandler(new Error("Invalid date supplied: " + JSON.stringify(inputDate)));
      self.selectedDates = dates.filter(function(d) {
        return d instanceof Date && isEnabled(d, false);
      });
      if (self.config.mode === "range")
        self.selectedDates.sort(function(a, b) {
          return a.getTime() - b.getTime();
        });
    }

    function setDate(date, triggerChange, format) {
      if (triggerChange === void 0) {
        triggerChange = false;
      }
      if (format === void 0) {
        format = self.config.dateFormat;
      }
      if ((date !== 0 && !date) || (date instanceof Array && date.length === 0))
        return self.clear(triggerChange);
      setSelectedDate(date, format);
      self.showTimeInput = self.selectedDates.length > 0;
      self.latestSelectedDateObj = self.selectedDates[0];
      self.redraw();
      jumpToDate();
      setHoursFromDate();
      updateValue(triggerChange);
      if (triggerChange)
        triggerEvent("onChange");
    }

    function parseDateRules(arr) {
      return arr
        .slice()
        .map(function(rule) {
          if (typeof rule === "string" ||
            typeof rule === "number" ||
            rule instanceof Date) {
            return self.parseDate(rule, undefined, true);
          } else if (rule &&
            typeof rule === "object" &&
            rule.from &&
            rule.to)
            return {
              from: self.parseDate(rule.from, undefined),
              to: self.parseDate(rule.to, undefined)
            };
          return rule;
        })
        .filter(function(x) {
          return x;
        }); // remove falsy values
    }

    function setupDates() {
      self.selectedDates = [];
      self.now = self.parseDate(self.config.now) || new Date();
      // Workaround IE11 setting placeholder as the input's value
      var preloadedDate = self.config.defaultDate ||
        ((self.input.nodeName === "INPUT" ||
            self.input.nodeName === "TEXTAREA") &&
          self.input.placeholder &&
          self.input.value === self.input.placeholder ?
          null :
          self.input.value);
      if (preloadedDate)
        setSelectedDate(preloadedDate, self.config.dateFormat);
      self._initialDate =
        self.selectedDates.length > 0 ?
        self.selectedDates[0] :
        self.config.minDate &&
        self.config.minDate.getTime() > self.now.getTime() ?
        self.config.minDate :
        self.config.maxDate &&
        self.config.maxDate.getTime() < self.now.getTime() ?
        self.config.maxDate :
        self.now;
      self.currentYear = self._initialDate.getFullYear();
      self.currentMonth = self._initialDate.getMonth();
      if (self.selectedDates.length > 0)
        self.latestSelectedDateObj = self.selectedDates[0];
      if (self.config.minTime !== undefined)
        self.config.minTime = self.parseDate(self.config.minTime, "H:i");
      if (self.config.maxTime !== undefined)
        self.config.maxTime = self.parseDate(self.config.maxTime, "H:i");
      self.minDateHasTime = !!self.config.minDate &&
        (self.config.minDate.getHours() > 0 ||
          self.config.minDate.getMinutes() > 0 ||
          self.config.minDate.getSeconds() > 0);
      self.maxDateHasTime = !!self.config.maxDate &&
        (self.config.maxDate.getHours() > 0 ||
          self.config.maxDate.getMinutes() > 0 ||
          self.config.maxDate.getSeconds() > 0);
      Object.defineProperty(self, "showTimeInput", {
        get: function() {
          return self._showTimeInput;
        },
        set: function(bool) {
          self._showTimeInput = bool;
          if (self.calendarContainer)
            toggleClass(self.calendarContainer, "showTimeInput", bool);
          self.isOpen && positionCalendar();
        }
      });
    }

    function setupInputs() {
      self.input = self.config.wrap ?
        element.querySelector("[data-input]") :
        element;
      /* istanbul ignore next */
      if (!self.input) {
        self.config.errorHandler(new Error("Invalid input element specified"));
        return;
      }
      // hack: store previous type to restore it after destroy()
      self.input._type = self.input.type;
      self.input.type = "text";
      self.input.classList.add("flatpickr-input");
      self._input = self.input;
      if (self.config.altInput) {
        // replicate self.element
        self.altInput = createElement(self.input.nodeName, self.input.className + " " + self.config.altInputClass);
        self._input = self.altInput;
        self.altInput.placeholder = self.input.placeholder;
        self.altInput.disabled = self.input.disabled;
        self.altInput.required = self.input.required;
        self.altInput.tabIndex = self.input.tabIndex;
        self.altInput.type = "text";
        self.input.setAttribute("type", "hidden");
        if (!self.config.static && self.input.parentNode)
          self.input.parentNode.insertBefore(self.altInput, self.input.nextSibling);
      }
      if (!self.config.allowInput)
        self._input.setAttribute("readonly", "readonly");
      self._positionElement = self.config.positionElement || self._input;
    }

    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 = self.input.getAttribute("step") || "any";
      self.mobileInput.tabIndex = 1;
      self.mobileInput.type = inputType;
      self.mobileInput.disabled = self.input.disabled;
      self.mobileInput.required = self.input.required;
      self.mobileInput.placeholder = self.input.placeholder;
      self.mobileFormatStr =
        inputType === "datetime-local" ?
        "Y-m-d\\TH:i:S" :
        inputType === "date" ?
        "Y-m-d" :
        "H:i:S";
      if (self.selectedDates.length > 0) {
        self.mobileInput.defaultValue = self.mobileInput.value = self.formatDate(self.selectedDates[0], self.mobileFormatStr);
      }
      if (self.config.minDate)
        self.mobileInput.min = self.formatDate(self.config.minDate, "Y-m-d");
      if (self.config.maxDate)
        self.mobileInput.max = self.formatDate(self.config.maxDate, "Y-m-d");
      self.input.type = "hidden";
      if (self.altInput !== undefined)
        self.altInput.type = "hidden";
      try {
        if (self.input.parentNode)
          self.input.parentNode.insertBefore(self.mobileInput, self.input.nextSibling);
      } catch (_a) {}
      bind(self.mobileInput, "change", function(e) {
        self.setDate(e.target.value, false, self.mobileFormatStr);
        triggerEvent("onChange");
        triggerEvent("onClose");
      });
    }

    function toggle(e) {
      if (self.isOpen === true)
        return self.close();
      self.open(e);
    }

    function triggerEvent(event, data) {
      // If the instance has been destroyed already, all hooks have been removed
      if (self.config === undefined)
        return;
      var hooks = self.config[event];
      if (hooks !== undefined && hooks.length > 0) {
        for (var i = 0; hooks[i] && i < hooks.length; i++)
          hooks[i](self.selectedDates, self.input.value, self, data);
      }
      if (event === "onChange") {
        self.input.dispatchEvent(createEvent("change"));
        // many front-end frameworks bind to the input event
        self.input.dispatchEvent(createEvent("input"));
      }
    }

    function createEvent(name) {
      var e = document.createEvent("Event");
      e.initEvent(name, true, true);
      return e;
    }

    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.yearElements.forEach(function(yearElement, i) {
        var d = new Date(self.currentYear, self.currentMonth, 1);
        d.setMonth(self.currentMonth + i);
        self.monthElements[i].textContent =
          monthToStr(d.getMonth(), self.config.shorthandCurrentMonth, self.l10n) +
          " ";
        yearElement.value = d.getFullYear().toString();
      });
      self._hidePrevMonthArrow =
        self.config.minDate !== undefined &&
        (self.currentYear === self.config.minDate.getFullYear() ?
          self.currentMonth <= self.config.minDate.getMonth() :
          self.currentYear < self.config.minDate.getFullYear());
      self._hideNextMonthArrow =
        self.config.maxDate !== undefined &&
        (self.currentYear === self.config.maxDate.getFullYear() ?
          self.currentMonth + 1 > self.config.maxDate.getMonth() :
          self.currentYear > self.config.maxDate.getFullYear());
    }

    function getDateStr(format) {
      return self.selectedDates
        .map(function(dObj) {
          return self.formatDate(dObj, format);
        })
        .filter(function(d, i, arr) {
          return self.config.mode !== "range" ||
            self.config.enableTime ||
            arr.indexOf(d) === i;
        })
        .join(self.config.mode !== "range" ?
          self.config.conjunction :
          self.l10n.rangeSeparator);
    }
    /**
     * Updates the values of inputs associated with the calendar
     */
    function updateValue(triggerChange) {
      if (triggerChange === void 0) {
        triggerChange = true;
      }
      if (self.selectedDates.length === 0)
        return self.clear(triggerChange);
      if (self.mobileInput !== undefined && self.mobileFormatStr) {
        self.mobileInput.value =
          self.latestSelectedDateObj !== undefined ?
          self.formatDate(self.latestSelectedDateObj, self.mobileFormatStr) :
          "";
      }
      self.input.value = getDateStr(self.config.dateFormat);
      if (self.altInput !== undefined) {
        self.altInput.value = getDateStr(self.config.altFormat);
      }
      if (triggerChange !== false)
        triggerEvent("onValueUpdate");
    }

    function onMonthNavClick(e) {
      e.preventDefault();
      var isPrevMonth = self.prevMonthNav.contains(e.target);
      var isNextMonth = self.nextMonthNav.contains(e.target);
      if (isPrevMonth || isNextMonth) {
        changeMonth(isPrevMonth ? -1 : 1);
      } else if (self.yearElements.indexOf(e.target) >= 0) {
        e.target.select();
      } else if (e.target.classList.contains("arrowUp")) {
        self.changeYear(self.currentYear + 1);
      } else if (e.target.classList.contains("arrowDown")) {
        self.changeYear(self.currentYear - 1);
      }
    }

    function timeWrapper(e) {
      e.preventDefault();
      var isKeyDown = e.type === "keydown",
        input = e.target;
      if (self.amPM !== undefined && e.target === self.amPM) {
        self.amPM.textContent =
          self.l10n.amPM[int(self.amPM.textContent === self.l10n.amPM[0])];
      }
      var min = parseFloat(input.getAttribute("min")),
        max = parseFloat(input.getAttribute("max")),
        step = parseFloat(input.getAttribute("step")),
        curValue = parseInt(input.value, 10),
        delta = e.delta ||
        (isKeyDown ? (e.which === 38 ? 1 : -1) : 0);
      var newValue = curValue + step * delta;
      if (typeof input.value !== "undefined" && input.value.length === 2) {
        var isHourElem = input === self.hourElement,
          isMinuteElem = input === self.minuteElement;
        if (newValue < min) {
          newValue =
            max +
            newValue +
            int(!isHourElem) +
            (int(isHourElem) && int(!self.amPM));
          if (isMinuteElem)
            incrementNumInput(undefined, -1, self.hourElement);
        } else if (newValue > max) {
          newValue =
            input === self.hourElement ? newValue - max - int(!self.amPM) : min;
          if (isMinuteElem)
            incrementNumInput(undefined, 1, self.hourElement);
        }
        if (self.amPM &&
          isHourElem &&
          (step === 1 ?
            newValue + curValue === 23 :
            Math.abs(newValue - curValue) > step)) {
          self.amPM.textContent =
            self.l10n.amPM[int(self.amPM.textContent === self.l10n.amPM[0])];
        }
        input.value = pad(newValue);
      }
    }
    init();
    return self;
  }
  /* istanbul ignore next */
  function _flatpickr(nodeList, config) {
    // static list
    var nodes = Array.prototype.slice
      .call(nodeList)
      .filter(function(x) {
        return x instanceof HTMLElement;
      });
    var instances = [];
    for (var i = 0; i < nodes.length; i++) {
      var node = nodes[i];
      try {
        if (node.getAttribute("data-fp-omit") !== null)
          continue;
        if (node._flatpickr !== undefined) {
          node._flatpickr.destroy();
          node._flatpickr = undefined;
        }
        node._flatpickr = FlatpickrInstance(node, config || {});
        instances.push(node._flatpickr);
      } catch (e) {
        console.error(e);
      }
    }
    return instances.length === 1 ? instances[0] : instances;
  }
  /* istanbul ignore next */
  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);
    };
  }
  /* istanbul ignore next */
  var flatpickr = function(selector, config) {
    if (typeof selector === "string") {
      return _flatpickr(window.document.querySelectorAll(selector), config);
    } else if (selector instanceof Node) {
      return _flatpickr([selector], config);
    } else {
      return _flatpickr(selector, config);
    }
  };
  /* istanbul ignore next */
  flatpickr.defaultConfig = defaults;
  flatpickr.l10ns = {
    en: __assign({}, english),
    "default": __assign({}, english)
  };
  flatpickr.localize = function(l10n) {
    flatpickr.l10ns["default"] = __assign({}, flatpickr.l10ns["default"], l10n);
  };
  flatpickr.setDefaults = function(config) {
    flatpickr.defaultConfig = __assign({}, flatpickr.defaultConfig, config);
  };
  flatpickr.parseDate = createDateParser({});
  flatpickr.formatDate = createDateFormatter({});
  flatpickr.compareDates = compareDates;
  /* istanbul ignore next */
  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() + (typeof days === "string" ? parseInt(days, 10) : days));
  };
  if (typeof window !== "undefined") {
    window.flatpickr = flatpickr;
  }

  return flatpickr;

}));