// node_modules/jquery-ui/ui/widgets/datepicker.js
(function(factory) {
  "use strict";
  if (typeof define === "function" && define.amd) {
    define([
      "jquery",
      "../version",
      "../keycode"
    ], factory);
  } else {
    factory(jQuery);
  }
})(function($) {
  "use strict";
  $.extend($.ui, { datepicker: { version: "1.14.1" } });
  var datepicker_instActive;
  function datepicker_getZindex(elem) {
    var position, value;
    while (elem.length && elem[0] !== document) {
      position = elem.css("position");
      if (position === "absolute" || position === "relative" || position === "fixed") {
        value = parseInt(elem.css("zIndex"), 10);
        if (!isNaN(value) && value !== 0) {
          return value;
        }
      }
      elem = elem.parent();
    }
    return 0;
  }
  function Datepicker() {
    this._curInst = null;
    this._keyEvent = false;
    this._disabledInputs = [];
    this._datepickerShowing = false;
    this._inDialog = false;
    this._mainDivId = "ui-datepicker-div";
    this._inlineClass = "ui-datepicker-inline";
    this._appendClass = "ui-datepicker-append";
    this._triggerClass = "ui-datepicker-trigger";
    this._dialogClass = "ui-datepicker-dialog";
    this._disableClass = "ui-datepicker-disabled";
    this._unselectableClass = "ui-datepicker-unselectable";
    this._currentClass = "ui-datepicker-current-day";
    this._dayOverClass = "ui-datepicker-days-cell-over";
    this.regional = [];
    this.regional[""] = {
      // Default regional settings
      closeText: "Done",
      // Display text for close link
      prevText: "Prev",
      // Display text for previous month link
      nextText: "Next",
      // Display text for next month link
      currentText: "Today",
      // Display text for current month link
      monthNames: [
        "January",
        "February",
        "March",
        "April",
        "May",
        "June",
        "July",
        "August",
        "September",
        "October",
        "November",
        "December"
      ],
      // Names of months for drop-down and formatting
      monthNamesShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
      // For formatting
      dayNames: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
      // For formatting
      dayNamesShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
      // For formatting
      dayNamesMin: ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"],
      // Column headings for days starting at Sunday
      weekHeader: "Wk",
      // Column header for week of the year
      dateFormat: "mm/dd/yy",
      // See format options on parseDate
      firstDay: 0,
      // The first day of the week, Sun = 0, Mon = 1, ...
      isRTL: false,
      // True if right-to-left language, false if left-to-right
      showMonthAfterYear: false,
      // True if the year select precedes month, false for month then year
      yearSuffix: "",
      // Additional text to append to the year in the month headers,
      selectMonthLabel: "Select month",
      // Invisible label for month selector
      selectYearLabel: "Select year"
      // Invisible label for year selector
    };
    this._defaults = {
      // Global defaults for all the date picker instances
      showOn: "focus",
      // "focus" for popup on focus,
      // "button" for trigger button, or "both" for either
      showAnim: "fadeIn",
      // Name of jQuery animation for popup
      showOptions: {},
      // Options for enhanced animations
      defaultDate: null,
      // Used when field is blank: actual date,
      // +/-number for offset from today, null for today
      appendText: "",
      // Display text following the input box, e.g. showing the format
      buttonText: "...",
      // Text for trigger button
      buttonImage: "",
      // URL for trigger button image
      buttonImageOnly: false,
      // True if the image appears alone, false if it appears on a button
      hideIfNoPrevNext: false,
      // True to hide next/previous month links
      // if not applicable, false to just disable them
      navigationAsDateFormat: false,
      // True if date formatting applied to prev/today/next links
      gotoCurrent: false,
      // True if today link goes back to current selection instead
      changeMonth: false,
      // True if month can be selected directly, false if only prev/next
      changeYear: false,
      // True if year can be selected directly, false if only prev/next
      yearRange: "c-10:c+10",
      // Range of years to display in drop-down,
      // either relative to today's year (-nn:+nn), relative to currently displayed year
      // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
      showOtherMonths: false,
      // True to show dates in other months, false to leave blank
      selectOtherMonths: false,
      // True to allow selection of dates in other months, false for unselectable
      showWeek: false,
      // True to show week of the year, false to not show it
      calculateWeek: this.iso8601Week,
      // How to calculate the week of the year,
      // takes a Date and returns the number of the week for it
      shortYearCutoff: "+10",
      // Short year values < this are in the current century,
      // > this are in the previous century,
      // string value starting with "+" for current year + value
      minDate: null,
      // The earliest selectable date, or null for no limit
      maxDate: null,
      // The latest selectable date, or null for no limit
      duration: "fast",
      // Duration of display/closure
      beforeShowDay: null,
      // Function that takes a date and returns an array with
      // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",
      // [2] = cell title (optional), e.g. $.datepicker.noWeekends
      beforeShow: null,
      // Function that takes an input field and
      // returns a set of custom settings for the date picker
      onSelect: null,
      // Define a callback function when a date is selected
      onChangeMonthYear: null,
      // Define a callback function when the month or year is changed
      onClose: null,
      // Define a callback function when the datepicker is closed
      onUpdateDatepicker: null,
      // Define a callback function when the datepicker is updated
      numberOfMonths: 1,
      // Number of months to show at a time
      showCurrentAtPos: 0,
      // The position in multipe months at which to show the current month (starting at 0)
      stepMonths: 1,
      // Number of months to step back/forward
      stepBigMonths: 12,
      // Number of months to step back/forward for the big links
      altField: "",
      // Selector for an alternate field to store selected dates into
      altFormat: "",
      // The date format to use for the alternate field
      constrainInput: true,
      // The input is constrained by the current date format
      showButtonPanel: false,
      // True to show button panel, false to not show it
      autoSize: false,
      // True to size the input for the date format, false to leave as is
      disabled: false
      // The initial disabled state
    };
    $.extend(this._defaults, this.regional[""]);
    this.regional.en = $.extend(true, {}, this.regional[""]);
    this.regional["en-US"] = $.extend(true, {}, this.regional.en);
    this.dpDiv = datepicker_bindHover($("<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"));
  }
  $.extend(Datepicker.prototype, {
    /* Class name added to elements to indicate already configured with a date picker. */
    markerClassName: "hasDatepicker",
    //Keep track of the maximum number of rows displayed (see #7043)
    maxRows: 4,
    // TODO rename to "widget" when switching to widget factory
    _widgetDatepicker: function() {
      return this.dpDiv;
    },
    /* Override the default settings for all instances of the date picker.
     * @param  settings  object - the new settings to use as defaults (anonymous object)
     * @return the manager object
     */
    setDefaults: function(settings) {
      datepicker_extendRemove(this._defaults, settings || {});
      return this;
    },
    /* Attach the date picker to a jQuery selection.
     * @param  target	element - the target input field or division or span
     * @param  settings  object - the new settings to use for this date picker instance (anonymous)
     */
    _attachDatepicker: function(target, settings) {
      var nodeName, inline, inst;
      nodeName = target.nodeName.toLowerCase();
      inline = nodeName === "div" || nodeName === "span";
      if (!target.id) {
        this.uuid += 1;
        target.id = "dp" + this.uuid;
      }
      inst = this._newInst($(target), inline);
      inst.settings = $.extend({}, settings || {});
      if (nodeName === "input") {
        this._connectDatepicker(target, inst);
      } else if (inline) {
        this._inlineDatepicker(target, inst);
      }
    },
    /* Create a new instance object. */
    _newInst: function(target, inline) {
      var id = target[0].id.replace(/([^A-Za-z0-9_\-])/g, "\\\\$1");
      return {
        id,
        input: target,
        // associated target
        selectedDay: 0,
        selectedMonth: 0,
        selectedYear: 0,
        // current selection
        drawMonth: 0,
        drawYear: 0,
        // month being drawn
        inline,
        // is datepicker inline or not
        dpDiv: !inline ? this.dpDiv : (
          // presentation div
          datepicker_bindHover($("<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"))
        )
      };
    },
    /* Attach the date picker to an input field. */
    _connectDatepicker: function(target, inst) {
      var input = $(target);
      inst.append = $([]);
      inst.trigger = $([]);
      if (input.hasClass(this.markerClassName)) {
        return;
      }
      this._attachments(input, inst);
      input.addClass(this.markerClassName).on("keydown", this._doKeyDown).on("keypress", this._doKeyPress).on("keyup", this._doKeyUp);
      this._autoSize(inst);
      $.data(target, "datepicker", inst);
      if (inst.settings.disabled) {
        this._disableDatepicker(target);
      }
    },
    /* Make attachments based on settings. */
    _attachments: function(input, inst) {
      var showOn, buttonText, buttonImage, appendText = this._get(inst, "appendText"), isRTL = this._get(inst, "isRTL");
      if (inst.append) {
        inst.append.remove();
      }
      if (appendText) {
        inst.append = $("<span>").addClass(this._appendClass).text(appendText);
        input[isRTL ? "before" : "after"](inst.append);
      }
      input.off("focus", this._showDatepicker);
      if (inst.trigger) {
        inst.trigger.remove();
      }
      showOn = this._get(inst, "showOn");
      if (showOn === "focus" || showOn === "both") {
        input.on("focus", this._showDatepicker);
      }
      if (showOn === "button" || showOn === "both") {
        buttonText = this._get(inst, "buttonText");
        buttonImage = this._get(inst, "buttonImage");
        if (this._get(inst, "buttonImageOnly")) {
          inst.trigger = $("<img>").addClass(this._triggerClass).attr({
            src: buttonImage,
            alt: buttonText,
            title: buttonText
          });
        } else {
          inst.trigger = $("<button type='button'>").addClass(this._triggerClass);
          if (buttonImage) {
            inst.trigger.html(
              $("<img>").attr({
                src: buttonImage,
                alt: buttonText,
                title: buttonText
              })
            );
          } else {
            inst.trigger.text(buttonText);
          }
        }
        input[isRTL ? "before" : "after"](inst.trigger);
        inst.trigger.on("click", function() {
          if ($.datepicker._datepickerShowing && $.datepicker._lastInput === input[0]) {
            $.datepicker._hideDatepicker();
          } else if ($.datepicker._datepickerShowing && $.datepicker._lastInput !== input[0]) {
            $.datepicker._hideDatepicker();
            $.datepicker._showDatepicker(input[0]);
          } else {
            $.datepicker._showDatepicker(input[0]);
          }
          return false;
        });
      }
    },
    /* Apply the maximum length for the date format. */
    _autoSize: function(inst) {
      if (this._get(inst, "autoSize") && !inst.inline) {
        var findMax, max, maxI, i, date = new Date(2009, 12 - 1, 20), dateFormat = this._get(inst, "dateFormat");
        if (dateFormat.match(/[DM]/)) {
          findMax = function(names) {
            max = 0;
            maxI = 0;
            for (i = 0; i < names.length; i++) {
              if (names[i].length > max) {
                max = names[i].length;
                maxI = i;
              }
            }
            return maxI;
          };
          date.setMonth(findMax(this._get(inst, dateFormat.match(/MM/) ? "monthNames" : "monthNamesShort")));
          date.setDate(findMax(this._get(inst, dateFormat.match(/DD/) ? "dayNames" : "dayNamesShort")) + 20 - date.getDay());
        }
        inst.input.attr("size", this._formatDate(inst, date).length);
      }
    },
    /* Attach an inline date picker to a div. */
    _inlineDatepicker: function(target, inst) {
      var divSpan = $(target);
      if (divSpan.hasClass(this.markerClassName)) {
        return;
      }
      divSpan.addClass(this.markerClassName).append(inst.dpDiv);
      $.data(target, "datepicker", inst);
      this._setDate(inst, this._getDefaultDate(inst), true);
      this._updateDatepicker(inst);
      this._updateAlternate(inst);
      if (inst.settings.disabled) {
        this._disableDatepicker(target);
      }
      inst.dpDiv.css("display", "block");
    },
    /* Pop-up the date picker in a "dialog" box.
     * @param  input element - ignored
     * @param  date	string or Date - the initial date to display
     * @param  onSelect  function - the function to call when a date is selected
     * @param  settings  object - update the dialog date picker instance's settings (anonymous object)
     * @param  pos int[2] - coordinates for the dialog's position within the screen or
     *					event - with x/y coordinates or
     *					leave empty for default (screen centre)
     * @return the manager object
     */
    _dialogDatepicker: function(input, date, onSelect, settings, pos) {
      var id, browserWidth, browserHeight, scrollX, scrollY, inst = this._dialogInst;
      if (!inst) {
        this.uuid += 1;
        id = "dp" + this.uuid;
        this._dialogInput = $("<input type='text' id='" + id + "' style='position: absolute; top: -100px; width: 0px;'/>");
        this._dialogInput.on("keydown", this._doKeyDown);
        $("body").append(this._dialogInput);
        inst = this._dialogInst = this._newInst(this._dialogInput, false);
        inst.settings = {};
        $.data(this._dialogInput[0], "datepicker", inst);
      }
      datepicker_extendRemove(inst.settings, settings || {});
      date = date && date.constructor === Date ? this._formatDate(inst, date) : date;
      this._dialogInput.val(date);
      this._pos = pos ? pos.length ? pos : [pos.pageX, pos.pageY] : null;
      if (!this._pos) {
        browserWidth = document.documentElement.clientWidth;
        browserHeight = document.documentElement.clientHeight;
        scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
        scrollY = document.documentElement.scrollTop || document.body.scrollTop;
        this._pos = // should use actual width/height below
        [browserWidth / 2 - 100 + scrollX, browserHeight / 2 - 150 + scrollY];
      }
      this._dialogInput.css("left", this._pos[0] + 20 + "px").css("top", this._pos[1] + "px");
      inst.settings.onSelect = onSelect;
      this._inDialog = true;
      this.dpDiv.addClass(this._dialogClass);
      this._showDatepicker(this._dialogInput[0]);
      if ($.blockUI) {
        $.blockUI(this.dpDiv);
      }
      $.data(this._dialogInput[0], "datepicker", inst);
      return this;
    },
    /* Detach a datepicker from its control.
     * @param  target	element - the target input field or division or span
     */
    _destroyDatepicker: function(target) {
      var nodeName, $target = $(target), inst = $.data(target, "datepicker");
      if (!$target.hasClass(this.markerClassName)) {
        return;
      }
      nodeName = target.nodeName.toLowerCase();
      $.removeData(target, "datepicker");
      if (nodeName === "input") {
        inst.append.remove();
        inst.trigger.remove();
        $target.removeClass(this.markerClassName).off("focus", this._showDatepicker).off("keydown", this._doKeyDown).off("keypress", this._doKeyPress).off("keyup", this._doKeyUp);
      } else if (nodeName === "div" || nodeName === "span") {
        $target.removeClass(this.markerClassName).empty();
      }
      $.datepicker._hideDatepicker();
      if (datepicker_instActive === inst) {
        datepicker_instActive = null;
        this._curInst = null;
      }
    },
    /* Enable the date picker to a jQuery selection.
     * @param  target	element - the target input field or division or span
     */
    _enableDatepicker: function(target) {
      var nodeName, inline, $target = $(target), inst = $.data(target, "datepicker");
      if (!$target.hasClass(this.markerClassName)) {
        return;
      }
      nodeName = target.nodeName.toLowerCase();
      if (nodeName === "input") {
        target.disabled = false;
        inst.trigger.filter("button").each(function() {
          this.disabled = false;
        }).end().filter("img").css({ opacity: "1.0", cursor: "" });
      } else if (nodeName === "div" || nodeName === "span") {
        inline = $target.children("." + this._inlineClass);
        inline.children().removeClass("ui-state-disabled");
        inline.find("select.ui-datepicker-month, select.ui-datepicker-year").prop("disabled", false);
      }
      this._disabledInputs = $.map(
        this._disabledInputs,
        // Delete entry
        function(value) {
          return value === target ? null : value;
        }
      );
    },
    /* Disable the date picker to a jQuery selection.
     * @param  target	element - the target input field or division or span
     */
    _disableDatepicker: function(target) {
      var nodeName, inline, $target = $(target), inst = $.data(target, "datepicker");
      if (!$target.hasClass(this.markerClassName)) {
        return;
      }
      nodeName = target.nodeName.toLowerCase();
      if (nodeName === "input") {
        target.disabled = true;
        inst.trigger.filter("button").each(function() {
          this.disabled = true;
        }).end().filter("img").css({ opacity: "0.5", cursor: "default" });
      } else if (nodeName === "div" || nodeName === "span") {
        inline = $target.children("." + this._inlineClass);
        inline.children().addClass("ui-state-disabled");
        inline.find("select.ui-datepicker-month, select.ui-datepicker-year").prop("disabled", true);
      }
      this._disabledInputs = $.map(
        this._disabledInputs,
        // Delete entry
        function(value) {
          return value === target ? null : value;
        }
      );
      this._disabledInputs[this._disabledInputs.length] = target;
    },
    /* Is the first field in a jQuery collection disabled as a datepicker?
     * @param  target	element - the target input field or division or span
     * @return boolean - true if disabled, false if enabled
     */
    _isDisabledDatepicker: function(target) {
      if (!target) {
        return false;
      }
      for (var i = 0; i < this._disabledInputs.length; i++) {
        if (this._disabledInputs[i] === target) {
          return true;
        }
      }
      return false;
    },
    /* Retrieve the instance data for the target control.
     * @param  target  element - the target input field or division or span
     * @return  object - the associated instance data
     * @throws  error if a jQuery problem getting data
     */
    _getInst: function(target) {
      try {
        return $.data(target, "datepicker");
      } catch (err) {
        throw "Missing instance data for this datepicker";
      }
    },
    /* Update or retrieve the settings for a date picker attached to an input field or division.
     * @param  target  element - the target input field or division or span
     * @param  name	object - the new settings to update or
     *				string - the name of the setting to change or retrieve,
     *				when retrieving also "all" for all instance settings or
     *				"defaults" for all global defaults
     * @param  value   any - the new value for the setting
     *				(omit if above is an object or to retrieve a value)
     */
    _optionDatepicker: function(target, name, value) {
      var settings, date, minDate, maxDate, inst = this._getInst(target);
      if (arguments.length === 2 && typeof name === "string") {
        return name === "defaults" ? $.extend({}, $.datepicker._defaults) : inst ? name === "all" ? $.extend({}, inst.settings) : this._get(inst, name) : null;
      }
      settings = name || {};
      if (typeof name === "string") {
        settings = {};
        settings[name] = value;
      }
      if (inst) {
        if (this._curInst === inst) {
          this._hideDatepicker();
        }
        date = this._getDateDatepicker(target, true);
        minDate = this._getMinMaxDate(inst, "min");
        maxDate = this._getMinMaxDate(inst, "max");
        datepicker_extendRemove(inst.settings, settings);
        if (minDate !== null && settings.dateFormat !== void 0 && settings.minDate === void 0) {
          inst.settings.minDate = this._formatDate(inst, minDate);
        }
        if (maxDate !== null && settings.dateFormat !== void 0 && settings.maxDate === void 0) {
          inst.settings.maxDate = this._formatDate(inst, maxDate);
        }
        if ("disabled" in settings) {
          if (settings.disabled) {
            this._disableDatepicker(target);
          } else {
            this._enableDatepicker(target);
          }
        }
        this._attachments($(target), inst);
        this._autoSize(inst);
        this._setDate(inst, date);
        this._updateAlternate(inst);
        this._updateDatepicker(inst);
      }
    },
    // Change method deprecated
    _changeDatepicker: function(target, name, value) {
      this._optionDatepicker(target, name, value);
    },
    /* Redraw the date picker attached to an input field or division.
     * @param  target  element - the target input field or division or span
     */
    _refreshDatepicker: function(target) {
      var inst = this._getInst(target);
      if (inst) {
        this._updateDatepicker(inst);
      }
    },
    /* Set the dates for a jQuery selection.
     * @param  target element - the target input field or division or span
     * @param  date	Date - the new date
     */
    _setDateDatepicker: function(target, date) {
      var inst = this._getInst(target);
      if (inst) {
        this._setDate(inst, date);
        this._updateDatepicker(inst);
        this._updateAlternate(inst);
      }
    },
    /* Get the date(s) for the first entry in a jQuery selection.
     * @param  target element - the target input field or division or span
     * @param  noDefault boolean - true if no default date is to be used
     * @return Date - the current date
     */
    _getDateDatepicker: function(target, noDefault) {
      var inst = this._getInst(target);
      if (inst && !inst.inline) {
        this._setDateFromField(inst, noDefault);
      }
      return inst ? this._getDate(inst) : null;
    },
    /* Handle keystrokes. */
    _doKeyDown: function(event) {
      var onSelect, dateStr, sel, inst = $.datepicker._getInst(event.target), handled = true, isRTL = inst.dpDiv.is(".ui-datepicker-rtl");
      inst._keyEvent = true;
      if ($.datepicker._datepickerShowing) {
        switch (event.keyCode) {
          case 9:
            $.datepicker._hideDatepicker();
            handled = false;
            break;
          case 13:
            sel = $("td." + $.datepicker._dayOverClass + ":not(." + $.datepicker._currentClass + ")", inst.dpDiv);
            if (sel[0]) {
              $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
            }
            onSelect = $.datepicker._get(inst, "onSelect");
            if (onSelect) {
              dateStr = $.datepicker._formatDate(inst);
              onSelect.apply(inst.input ? inst.input[0] : null, [dateStr, inst]);
            } else {
              $.datepicker._hideDatepicker();
            }
            return false;
          case 27:
            $.datepicker._hideDatepicker();
            break;
          case 33:
            $.datepicker._adjustDate(event.target, event.ctrlKey ? -$.datepicker._get(inst, "stepBigMonths") : -$.datepicker._get(inst, "stepMonths"), "M");
            break;
          case 34:
            $.datepicker._adjustDate(event.target, event.ctrlKey ? +$.datepicker._get(inst, "stepBigMonths") : +$.datepicker._get(inst, "stepMonths"), "M");
            break;
          case 35:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._clearDate(event.target);
            }
            handled = event.ctrlKey || event.metaKey;
            break;
          case 36:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._gotoToday(event.target);
            }
            handled = event.ctrlKey || event.metaKey;
            break;
          case 37:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._adjustDate(event.target, isRTL ? 1 : -1, "D");
            }
            handled = event.ctrlKey || event.metaKey;
            if (event.originalEvent.altKey) {
              $.datepicker._adjustDate(event.target, event.ctrlKey ? -$.datepicker._get(inst, "stepBigMonths") : -$.datepicker._get(inst, "stepMonths"), "M");
            }
            break;
          case 38:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._adjustDate(event.target, -7, "D");
            }
            handled = event.ctrlKey || event.metaKey;
            break;
          case 39:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._adjustDate(event.target, isRTL ? -1 : 1, "D");
            }
            handled = event.ctrlKey || event.metaKey;
            if (event.originalEvent.altKey) {
              $.datepicker._adjustDate(event.target, event.ctrlKey ? +$.datepicker._get(inst, "stepBigMonths") : +$.datepicker._get(inst, "stepMonths"), "M");
            }
            break;
          case 40:
            if (event.ctrlKey || event.metaKey) {
              $.datepicker._adjustDate(event.target, 7, "D");
            }
            handled = event.ctrlKey || event.metaKey;
            break;
          default:
            handled = false;
        }
      } else if (event.keyCode === 36 && event.ctrlKey) {
        $.datepicker._showDatepicker(this);
      } else {
        handled = false;
      }
      if (handled) {
        event.preventDefault();
        event.stopPropagation();
      }
    },
    /* Filter entered characters - based on date format. */
    _doKeyPress: function(event) {
      var chars, chr, inst = $.datepicker._getInst(event.target);
      if ($.datepicker._get(inst, "constrainInput")) {
        chars = $.datepicker._possibleChars($.datepicker._get(inst, "dateFormat"));
        chr = String.fromCharCode(event.charCode == null ? event.keyCode : event.charCode);
        return event.ctrlKey || event.metaKey || (chr < " " || !chars || chars.indexOf(chr) > -1);
      }
    },
    /* Synchronise manual entry and field/alternate field. */
    _doKeyUp: function(event) {
      var date, inst = $.datepicker._getInst(event.target);
      if (inst.input.val() !== inst.lastVal) {
        try {
          date = $.datepicker.parseDate(
            $.datepicker._get(inst, "dateFormat"),
            inst.input ? inst.input.val() : null,
            $.datepicker._getFormatConfig(inst)
          );
          if (date) {
            $.datepicker._setDateFromField(inst);
            $.datepicker._updateAlternate(inst);
            $.datepicker._updateDatepicker(inst);
          }
        } catch (err) {
        }
      }
      return true;
    },
    /* Pop-up the date picker for a given input field.
     * If false returned from beforeShow event handler do not show.
     * @param  input  element - the input field attached to the date picker or
     *					event - if triggered by focus
     */
    _showDatepicker: function(input) {
      input = input.target || input;
      if (input.nodeName.toLowerCase() !== "input") {
        input = $("input", input.parentNode)[0];
      }
      if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput === input) {
        return;
      }
      var inst, beforeShow, beforeShowSettings, isFixed, offset, showAnim, duration;
      inst = $.datepicker._getInst(input);
      if ($.datepicker._curInst && $.datepicker._curInst !== inst) {
        $.datepicker._curInst.dpDiv.stop(true, true);
        if (inst && $.datepicker._datepickerShowing) {
          $.datepicker._hideDatepicker($.datepicker._curInst.input[0]);
        }
      }
      beforeShow = $.datepicker._get(inst, "beforeShow");
      beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
      if (beforeShowSettings === false) {
        return;
      }
      datepicker_extendRemove(inst.settings, beforeShowSettings);
      inst.lastVal = null;
      $.datepicker._lastInput = input;
      $.datepicker._setDateFromField(inst);
      if ($.datepicker._inDialog) {
        input.value = "";
      }
      if (!$.datepicker._pos) {
        $.datepicker._pos = $.datepicker._findPos(input);
        $.datepicker._pos[1] += input.offsetHeight;
      }
      isFixed = false;
      $(input).parents().each(function() {
        isFixed |= $(this).css("position") === "fixed";
        return !isFixed;
      });
      offset = { left: $.datepicker._pos[0], top: $.datepicker._pos[1] };
      $.datepicker._pos = null;
      inst.dpDiv.empty();
      inst.dpDiv.css({ position: "absolute", display: "block", top: "-1000px" });
      $.datepicker._updateDatepicker(inst);
      offset = $.datepicker._checkOffset(inst, offset, isFixed);
      inst.dpDiv.css({
        position: $.datepicker._inDialog && $.blockUI ? "static" : isFixed ? "fixed" : "absolute",
        display: "none",
        left: offset.left + "px",
        top: offset.top + "px"
      });
      if (!inst.inline) {
        showAnim = $.datepicker._get(inst, "showAnim");
        duration = $.datepicker._get(inst, "duration");
        inst.dpDiv.css("z-index", datepicker_getZindex($(input)) + 1);
        $.datepicker._datepickerShowing = true;
        if ($.effects && $.effects.effect[showAnim]) {
          inst.dpDiv.show(showAnim, $.datepicker._get(inst, "showOptions"), duration);
        } else {
          inst.dpDiv[showAnim || "show"](showAnim ? duration : null);
        }
        if ($.datepicker._shouldFocusInput(inst)) {
          inst.input.trigger("focus");
        }
        $.datepicker._curInst = inst;
      }
    },
    /* Generate the date picker content. */
    _updateDatepicker: function(inst) {
      this.maxRows = 4;
      datepicker_instActive = inst;
      inst.dpDiv.empty().append(this._generateHTML(inst));
      this._attachHandlers(inst);
      var origyearshtml, numMonths = this._getNumberOfMonths(inst), cols = numMonths[1], width = 17, activeCell = inst.dpDiv.find("." + this._dayOverClass + " a"), onUpdateDatepicker = $.datepicker._get(inst, "onUpdateDatepicker");
      if (activeCell.length > 0) {
        datepicker_handleMouseover.apply(activeCell.get(0));
      }
      inst.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width("");
      if (cols > 1) {
        inst.dpDiv.addClass("ui-datepicker-multi-" + cols).css("width", width * cols + "em");
      }
      inst.dpDiv[(numMonths[0] !== 1 || numMonths[1] !== 1 ? "add" : "remove") + "Class"]("ui-datepicker-multi");
      inst.dpDiv[(this._get(inst, "isRTL") ? "add" : "remove") + "Class"]("ui-datepicker-rtl");
      if (inst === $.datepicker._curInst && $.datepicker._datepickerShowing && $.datepicker._shouldFocusInput(inst)) {
        inst.input.trigger("focus");
      }
      if (inst.yearshtml) {
        origyearshtml = inst.yearshtml;
        setTimeout(function() {
          if (origyearshtml === inst.yearshtml && inst.yearshtml) {
            inst.dpDiv.find("select.ui-datepicker-year").first().replaceWith(inst.yearshtml);
          }
          origyearshtml = inst.yearshtml = null;
        }, 0);
      }
      if (onUpdateDatepicker) {
        onUpdateDatepicker.apply(inst.input ? inst.input[0] : null, [inst]);
      }
    },
    _shouldFocusInput: function(inst) {
      return inst.input && inst.input.is(":visible") && !inst.input.is(":disabled");
    },
    /* Check positioning to remain on screen. */
    _checkOffset: function(inst, offset, isFixed) {
      var dpWidth = inst.dpDiv.outerWidth(), dpHeight = inst.dpDiv.outerHeight(), inputWidth = inst.input ? inst.input.outerWidth() : 0, inputHeight = inst.input ? inst.input.outerHeight() : 0, viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft()), viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());
      offset.left -= this._get(inst, "isRTL") ? dpWidth - inputWidth : 0;
      offset.left -= isFixed && offset.left === inst.input.offset().left ? $(document).scrollLeft() : 0;
      offset.top -= isFixed && offset.top === inst.input.offset().top + inputHeight ? $(document).scrollTop() : 0;
      offset.left -= Math.min(offset.left, offset.left + dpWidth > viewWidth && viewWidth > dpWidth ? Math.abs(offset.left + dpWidth - viewWidth) : 0);
      offset.top -= Math.min(offset.top, offset.top + dpHeight > viewHeight && viewHeight > dpHeight ? Math.abs(dpHeight + inputHeight) : 0);
      return offset;
    },
    /* Find an object's position on the screen. */
    _findPos: function(obj) {
      var position, inst = this._getInst(obj), isRTL = this._get(inst, "isRTL");
      while (obj && (obj.type === "hidden" || obj.nodeType !== 1 || $.expr.pseudos.hidden(obj))) {
        obj = obj[isRTL ? "previousSibling" : "nextSibling"];
      }
      position = $(obj).offset();
      return [position.left, position.top];
    },
    /* Hide the date picker from view.
     * @param  input  element - the input field attached to the date picker
     */
    _hideDatepicker: function(input) {
      var showAnim, duration, postProcess, onClose, inst = this._curInst;
      if (!inst || input && inst !== $.data(input, "datepicker")) {
        return;
      }
      if (this._datepickerShowing) {
        showAnim = this._get(inst, "showAnim");
        duration = this._get(inst, "duration");
        postProcess = function() {
          $.datepicker._tidyDialog(inst);
        };
        if ($.effects && $.effects.effect[showAnim]) {
          inst.dpDiv.hide(showAnim, $.datepicker._get(inst, "showOptions"), duration, postProcess);
        } else {
          inst.dpDiv[showAnim === "slideDown" ? "slideUp" : showAnim === "fadeIn" ? "fadeOut" : "hide"](showAnim ? duration : null, postProcess);
        }
        if (!showAnim) {
          postProcess();
        }
        this._datepickerShowing = false;
        onClose = this._get(inst, "onClose");
        if (onClose) {
          onClose.apply(inst.input ? inst.input[0] : null, [inst.input ? inst.input.val() : "", inst]);
        }
        this._lastInput = null;
        if (this._inDialog) {
          this._dialogInput.css({ position: "absolute", left: "0", top: "-100px" });
          if ($.blockUI) {
            $.unblockUI();
            $("body").append(this.dpDiv);
          }
        }
        this._inDialog = false;
      }
    },
    /* Tidy up after a dialog display. */
    _tidyDialog: function(inst) {
      inst.dpDiv.removeClass(this._dialogClass).off(".ui-datepicker-calendar");
    },
    /* Close date picker if clicked elsewhere. */
    _checkExternalClick: function(event) {
      if (!$.datepicker._curInst) {
        return;
      }
      var $target = $(event.target), inst = $.datepicker._getInst($target[0]);
      if ($target[0].id !== $.datepicker._mainDivId && $target.parents("#" + $.datepicker._mainDivId).length === 0 && !$target.hasClass($.datepicker.markerClassName) && !$target.closest("." + $.datepicker._triggerClass).length && $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) || $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst !== inst) {
        $.datepicker._hideDatepicker();
      }
    },
    /* Adjust one of the date sub-fields. */
    _adjustDate: function(id, offset, period) {
      var target = $(id), inst = this._getInst(target[0]);
      if (this._isDisabledDatepicker(target[0])) {
        return;
      }
      this._adjustInstDate(inst, offset, period);
      this._updateDatepicker(inst);
    },
    /* Action for current link. */
    _gotoToday: function(id) {
      var date, target = $(id), inst = this._getInst(target[0]);
      if (this._get(inst, "gotoCurrent") && inst.currentDay) {
        inst.selectedDay = inst.currentDay;
        inst.drawMonth = inst.selectedMonth = inst.currentMonth;
        inst.drawYear = inst.selectedYear = inst.currentYear;
      } else {
        date = /* @__PURE__ */ new Date();
        inst.selectedDay = date.getDate();
        inst.drawMonth = inst.selectedMonth = date.getMonth();
        inst.drawYear = inst.selectedYear = date.getFullYear();
      }
      this._notifyChange(inst);
      this._adjustDate(target);
    },
    /* Action for selecting a new month/year. */
    _selectMonthYear: function(id, select, period) {
      var target = $(id), inst = this._getInst(target[0]);
      inst["selected" + (period === "M" ? "Month" : "Year")] = inst["draw" + (period === "M" ? "Month" : "Year")] = parseInt(select.options[select.selectedIndex].value, 10);
      this._notifyChange(inst);
      this._adjustDate(target);
    },
    /* Action for selecting a day. */
    _selectDay: function(id, month, year, td) {
      var inst, target = $(id);
      if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
        return;
      }
      inst = this._getInst(target[0]);
      inst.selectedDay = inst.currentDay = parseInt($("a", td).attr("data-date"));
      inst.selectedMonth = inst.currentMonth = month;
      inst.selectedYear = inst.currentYear = year;
      this._selectDate(id, this._formatDate(
        inst,
        inst.currentDay,
        inst.currentMonth,
        inst.currentYear
      ));
    },
    /* Erase the input field and hide the date picker. */
    _clearDate: function(id) {
      var target = $(id);
      this._selectDate(target, "");
    },
    /* Update the input field with the selected date. */
    _selectDate: function(id, dateStr) {
      var onSelect, target = $(id), inst = this._getInst(target[0]);
      dateStr = dateStr != null ? dateStr : this._formatDate(inst);
      if (inst.input) {
        inst.input.val(dateStr);
      }
      this._updateAlternate(inst);
      onSelect = this._get(inst, "onSelect");
      if (onSelect) {
        onSelect.apply(inst.input ? inst.input[0] : null, [dateStr, inst]);
      } else if (inst.input) {
        inst.input.trigger("change");
      }
      if (inst.inline) {
        this._updateDatepicker(inst);
      } else {
        this._hideDatepicker();
        this._lastInput = inst.input[0];
        if (typeof inst.input[0] !== "object") {
          inst.input.trigger("focus");
        }
        this._lastInput = null;
      }
    },
    /* Update any alternate field to synchronise with the main field. */
    _updateAlternate: function(inst) {
      var altFormat, date, dateStr, altField = this._get(inst, "altField");
      if (altField) {
        altFormat = this._get(inst, "altFormat") || this._get(inst, "dateFormat");
        date = this._getDate(inst);
        dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
        $(document).find(altField).val(dateStr);
      }
    },
    /* Set as beforeShowDay function to prevent selection of weekends.
     * @param  date  Date - the date to customise
     * @return [boolean, string] - is this date selectable?, what is its CSS class?
     */
    noWeekends: function(date) {
      var day = date.getDay();
      return [day > 0 && day < 6, ""];
    },
    /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
     * @param  date  Date - the date to get the week for
     * @return  number - the number of the week within the year that contains this date
     */
    iso8601Week: function(date) {
      var time, checkDate = new Date(date.getTime());
      checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
      time = checkDate.getTime();
      checkDate.setMonth(0);
      checkDate.setDate(1);
      return Math.floor(Math.round((time - checkDate) / 864e5) / 7) + 1;
    },
    /* Parse a string value into a date object.
     * See formatDate below for the possible formats.
     *
     * @param  format string - the expected format of the date
     * @param  value string - the date in the above format
     * @param  settings Object - attributes include:
     *					shortYearCutoff  number - the cutoff year for determining the century (optional)
     *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
     *					dayNames		string[7] - names of the days from Sunday (optional)
     *					monthNamesShort string[12] - abbreviated names of the months (optional)
     *					monthNames		string[12] - names of the months (optional)
     * @return  Date - the extracted date value or null if value is blank
     */
    parseDate: function(format, value, settings) {
      if (format == null || value == null) {
        throw "Invalid arguments";
      }
      value = typeof value === "object" ? value.toString() : value + "";
      if (value === "") {
        return null;
      }
      var iFormat, dim, extra, iValue = 0, shortYearCutoffTemp = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff, shortYearCutoff = typeof shortYearCutoffTemp !== "string" ? shortYearCutoffTemp : (/* @__PURE__ */ new Date()).getFullYear() % 100 + parseInt(shortYearCutoffTemp, 10), dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort, dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames, monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort, monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames, year = -1, month = -1, day = -1, doy = -1, literal = false, date, lookAhead = function(match) {
        var matches = iFormat + 1 < format.length && format.charAt(iFormat + 1) === match;
        if (matches) {
          iFormat++;
        }
        return matches;
      }, getNumber = function(match) {
        var isDoubled = lookAhead(match), size = match === "@" ? 14 : match === "!" ? 20 : match === "y" && isDoubled ? 4 : match === "o" ? 3 : 2, minSize = match === "y" ? size : 1, digits = new RegExp("^\\d{" + minSize + "," + size + "}"), num = value.substring(iValue).match(digits);
        if (!num) {
          throw "Missing number at position " + iValue;
        }
        iValue += num[0].length;
        return parseInt(num[0], 10);
      }, getName = function(match, shortNames, longNames) {
        var index = -1, names = $.map(lookAhead(match) ? longNames : shortNames, function(v, k) {
          return [[k, v]];
        }).sort(function(a, b) {
          return -(a[1].length - b[1].length);
        });
        $.each(names, function(i, pair) {
          var name = pair[1];
          if (value.substr(iValue, name.length).toLowerCase() === name.toLowerCase()) {
            index = pair[0];
            iValue += name.length;
            return false;
          }
        });
        if (index !== -1) {
          return index + 1;
        } else {
          throw "Unknown name at position " + iValue;
        }
      }, checkLiteral = function() {
        if (value.charAt(iValue) !== format.charAt(iFormat)) {
          throw "Unexpected literal at position " + iValue;
        }
        iValue++;
      };
      for (iFormat = 0; iFormat < format.length; iFormat++) {
        if (literal) {
          if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
            literal = false;
          } else {
            checkLiteral();
          }
        } else {
          switch (format.charAt(iFormat)) {
            case "d":
              day = getNumber("d");
              break;
            case "D":
              getName("D", dayNamesShort, dayNames);
              break;
            case "o":
              doy = getNumber("o");
              break;
            case "m":
              month = getNumber("m");
              break;
            case "M":
              month = getName("M", monthNamesShort, monthNames);
              break;
            case "y":
              year = getNumber("y");
              break;
            case "@":
              date = new Date(getNumber("@"));
              year = date.getFullYear();
              month = date.getMonth() + 1;
              day = date.getDate();
              break;
            case "!":
              date = new Date((getNumber("!") - this._ticksTo1970) / 1e4);
              year = date.getFullYear();
              month = date.getMonth() + 1;
              day = date.getDate();
              break;
            case "'":
              if (lookAhead("'")) {
                checkLiteral();
              } else {
                literal = true;
              }
              break;
            default:
              checkLiteral();
          }
        }
      }
      if (iValue < value.length) {
        extra = value.substr(iValue);
        if (!/^\s+/.test(extra)) {
          throw "Extra/unparsed characters found in date: " + extra;
        }
      }
      if (year === -1) {
        year = (/* @__PURE__ */ new Date()).getFullYear();
      } else if (year < 100) {
        year += (/* @__PURE__ */ new Date()).getFullYear() - (/* @__PURE__ */ new Date()).getFullYear() % 100 + (year <= shortYearCutoff ? 0 : -100);
      }
      if (doy > -1) {
        month = 1;
        day = doy;
        do {
          dim = this._getDaysInMonth(year, month - 1);
          if (day <= dim) {
            break;
          }
          month++;
          day -= dim;
        } while (true);
      }
      date = this._daylightSavingAdjust(new Date(year, month - 1, day));
      if (date.getFullYear() !== year || date.getMonth() + 1 !== month || date.getDate() !== day) {
        throw "Invalid date";
      }
      return date;
    },
    /* Standard date formats. */
    ATOM: "yy-mm-dd",
    // RFC 3339 (ISO 8601)
    COOKIE: "D, dd M yy",
    ISO_8601: "yy-mm-dd",
    RFC_822: "D, d M y",
    RFC_850: "DD, dd-M-y",
    RFC_1036: "D, d M y",
    RFC_1123: "D, d M yy",
    RFC_2822: "D, d M yy",
    RSS: "D, d M y",
    // RFC 822
    TICKS: "!",
    TIMESTAMP: "@",
    W3C: "yy-mm-dd",
    // ISO 8601
    _ticksTo1970: ((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) + Math.floor(1970 / 400)) * 24 * 60 * 60 * 1e7,
    /* Format a date object into a string value.
     * The format can be combinations of the following:
     * d  - day of month (no leading zero)
     * dd - day of month (two digit)
     * o  - day of year (no leading zeros)
     * oo - day of year (three digit)
     * D  - day name short
     * DD - day name long
     * m  - month of year (no leading zero)
     * mm - month of year (two digit)
     * M  - month name short
     * MM - month name long
     * y  - year (two digit)
     * yy - year (four digit)
     * @ - Unix timestamp (ms since 01/01/1970)
     * ! - Windows ticks (100ns since 01/01/0001)
     * "..." - literal text
     * '' - single quote
     *
     * @param  format string - the desired format of the date
     * @param  date Date - the date value to format
     * @param  settings Object - attributes include:
     *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
     *					dayNames		string[7] - names of the days from Sunday (optional)
     *					monthNamesShort string[12] - abbreviated names of the months (optional)
     *					monthNames		string[12] - names of the months (optional)
     * @return  string - the date in the above format
     */
    formatDate: function(format, date, settings) {
      if (!date) {
        return "";
      }
      var iFormat, dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort, dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames, monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort, monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames, lookAhead = function(match) {
        var matches = iFormat + 1 < format.length && format.charAt(iFormat + 1) === match;
        if (matches) {
          iFormat++;
        }
        return matches;
      }, formatNumber = function(match, value, len) {
        var num = "" + value;
        if (lookAhead(match)) {
          while (num.length < len) {
            num = "0" + num;
          }
        }
        return num;
      }, formatName = function(match, value, shortNames, longNames) {
        return lookAhead(match) ? longNames[value] : shortNames[value];
      }, output = "", literal = false;
      if (date) {
        for (iFormat = 0; iFormat < format.length; iFormat++) {
          if (literal) {
            if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
              literal = false;
            } else {
              output += format.charAt(iFormat);
            }
          } else {
            switch (format.charAt(iFormat)) {
              case "d":
                output += formatNumber("d", date.getDate(), 2);
                break;
              case "D":
                output += formatName("D", date.getDay(), dayNamesShort, dayNames);
                break;
              case "o":
                output += formatNumber(
                  "o",
                  Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 864e5),
                  3
                );
                break;
              case "m":
                output += formatNumber("m", date.getMonth() + 1, 2);
                break;
              case "M":
                output += formatName("M", date.getMonth(), monthNamesShort, monthNames);
                break;
              case "y":
                output += lookAhead("y") ? date.getFullYear() : (date.getFullYear() % 100 < 10 ? "0" : "") + date.getFullYear() % 100;
                break;
              case "@":
                output += date.getTime();
                break;
              case "!":
                output += date.getTime() * 1e4 + this._ticksTo1970;
                break;
              case "'":
                if (lookAhead("'")) {
                  output += "'";
                } else {
                  literal = true;
                }
                break;
              default:
                output += format.charAt(iFormat);
            }
          }
        }
      }
      return output;
    },
    /* Extract all possible characters from the date format. */
    _possibleChars: function(format) {
      var iFormat, chars = "", literal = false, lookAhead = function(match) {
        var matches = iFormat + 1 < format.length && format.charAt(iFormat + 1) === match;
        if (matches) {
          iFormat++;
        }
        return matches;
      };
      for (iFormat = 0; iFormat < format.length; iFormat++) {
        if (literal) {
          if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
            literal = false;
          } else {
            chars += format.charAt(iFormat);
          }
        } else {
          switch (format.charAt(iFormat)) {
            case "d":
            case "m":
            case "y":
            case "@":
              chars += "0123456789";
              break;
            case "D":
            case "M":
              return null;
            case "'":
              if (lookAhead("'")) {
                chars += "'";
              } else {
                literal = true;
              }
              break;
            default:
              chars += format.charAt(iFormat);
          }
        }
      }
      return chars;
    },
    /* Get a setting value, defaulting if necessary. */
    _get: function(inst, name) {
      return inst.settings[name] !== void 0 ? inst.settings[name] : this._defaults[name];
    },
    /* Parse existing date and initialise date picker. */
    _setDateFromField: function(inst, noDefault) {
      if (inst.input.val() === inst.lastVal) {
        return;
      }
      var dateFormat = this._get(inst, "dateFormat"), dates = inst.lastVal = inst.input ? inst.input.val() : null, defaultDate = this._getDefaultDate(inst), date = defaultDate, settings = this._getFormatConfig(inst);
      try {
        date = this.parseDate(dateFormat, dates, settings) || defaultDate;
      } catch (event) {
        dates = noDefault ? "" : dates;
      }
      inst.selectedDay = date.getDate();
      inst.drawMonth = inst.selectedMonth = date.getMonth();
      inst.drawYear = inst.selectedYear = date.getFullYear();
      inst.currentDay = dates ? date.getDate() : 0;
      inst.currentMonth = dates ? date.getMonth() : 0;
      inst.currentYear = dates ? date.getFullYear() : 0;
      this._adjustInstDate(inst);
    },
    /* Retrieve the default date shown on opening. */
    _getDefaultDate: function(inst) {
      return this._restrictMinMax(
        inst,
        this._determineDate(inst, this._get(inst, "defaultDate"), /* @__PURE__ */ new Date())
      );
    },
    /* A date may be specified as an exact value or a relative one. */
    _determineDate: function(inst, date, defaultDate) {
      var offsetNumeric = function(offset) {
        var date2 = /* @__PURE__ */ new Date();
        date2.setDate(date2.getDate() + offset);
        return date2;
      }, offsetString = function(offset) {
        try {
          return $.datepicker.parseDate(
            $.datepicker._get(inst, "dateFormat"),
            offset,
            $.datepicker._getFormatConfig(inst)
          );
        } catch (e) {
        }
        var date2 = (offset.toLowerCase().match(/^c/) ? $.datepicker._getDate(inst) : null) || /* @__PURE__ */ new Date(), year = date2.getFullYear(), month = date2.getMonth(), day = date2.getDate(), pattern = /([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g, matches = pattern.exec(offset);
        while (matches) {
          switch (matches[2] || "d") {
            case "d":
            case "D":
              day += parseInt(matches[1], 10);
              break;
            case "w":
            case "W":
              day += parseInt(matches[1], 10) * 7;
              break;
            case "m":
            case "M":
              month += parseInt(matches[1], 10);
              day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
              break;
            case "y":
            case "Y":
              year += parseInt(matches[1], 10);
              day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
              break;
          }
          matches = pattern.exec(offset);
        }
        return new Date(year, month, day);
      }, newDate = date == null || date === "" ? defaultDate : typeof date === "string" ? offsetString(date) : typeof date === "number" ? isNaN(date) ? defaultDate : offsetNumeric(date) : new Date(date.getTime());
      newDate = newDate && newDate.toString() === "Invalid Date" ? defaultDate : newDate;
      if (newDate) {
        newDate.setHours(0);
        newDate.setMinutes(0);
        newDate.setSeconds(0);
        newDate.setMilliseconds(0);
      }
      return this._daylightSavingAdjust(newDate);
    },
    /* Handle switch to/from daylight saving.
     * Hours may be non-zero on daylight saving cut-over:
     * > 12 when midnight changeover, but then cannot generate
     * midnight datetime, so jump to 1AM, otherwise reset.
     * @param  date  (Date) the date to check
     * @return  (Date) the corrected date
     */
    _daylightSavingAdjust: function(date) {
      if (!date) {
        return null;
      }
      date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
      return date;
    },
    /* Set the date(s) directly. */
    _setDate: function(inst, date, noChange) {
      var clear = !date, origMonth = inst.selectedMonth, origYear = inst.selectedYear, newDate = this._restrictMinMax(inst, this._determineDate(inst, date, /* @__PURE__ */ new Date()));
      inst.selectedDay = inst.currentDay = newDate.getDate();
      inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
      inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
      if ((origMonth !== inst.selectedMonth || origYear !== inst.selectedYear) && !noChange) {
        this._notifyChange(inst);
      }
      this._adjustInstDate(inst);
      if (inst.input) {
        inst.input.val(clear ? "" : this._formatDate(inst));
      }
    },
    /* Retrieve the date(s) directly. */
    _getDate: function(inst) {
      var startDate = !inst.currentYear || inst.input && inst.input.val() === "" ? null : this._daylightSavingAdjust(new Date(
        inst.currentYear,
        inst.currentMonth,
        inst.currentDay
      ));
      return startDate;
    },
    /* Attach the onxxx handlers.  These are declared statically so
     * they work with static code transformers like Caja.
     */
    _attachHandlers: function(inst) {
      var stepMonths = this._get(inst, "stepMonths"), id = "#" + inst.id.replace(/\\\\/g, "\\");
      inst.dpDiv.find("[data-handler]").map(function() {
        var handler = {
          prev: function() {
            $.datepicker._adjustDate(id, -stepMonths, "M");
          },
          next: function() {
            $.datepicker._adjustDate(id, +stepMonths, "M");
          },
          hide: function() {
            $.datepicker._hideDatepicker();
          },
          today: function() {
            $.datepicker._gotoToday(id);
          },
          selectDay: function() {
            $.datepicker._selectDay(id, +this.getAttribute("data-month"), +this.getAttribute("data-year"), this);
            return false;
          },
          selectMonth: function() {
            $.datepicker._selectMonthYear(id, this, "M");
            return false;
          },
          selectYear: function() {
            $.datepicker._selectMonthYear(id, this, "Y");
            return false;
          }
        };
        $(this).on(this.getAttribute("data-event"), handler[this.getAttribute("data-handler")]);
      });
    },
    /* Generate the HTML for the current state of the date picker. */
    _generateHTML: function(inst) {
      var maxDraw, prevText, prev, nextText, next, currentText, gotoDate, controls, buttonPanel, firstDay, showWeek, dayNames, dayNamesMin, monthNames, monthNamesShort, beforeShowDay, showOtherMonths, selectOtherMonths, defaultDate, html, dow, row, group, col, selectedDate, cornerClass, calender, thead, day, daysInMonth, leadDays, curRows, numRows, printDate, dRow, tbody, daySettings, otherMonth, unselectable, tempDate = /* @__PURE__ */ new Date(), today = this._daylightSavingAdjust(
        new Date(tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate())
      ), isRTL = this._get(inst, "isRTL"), showButtonPanel = this._get(inst, "showButtonPanel"), hideIfNoPrevNext = this._get(inst, "hideIfNoPrevNext"), navigationAsDateFormat = this._get(inst, "navigationAsDateFormat"), numMonths = this._getNumberOfMonths(inst), showCurrentAtPos = this._get(inst, "showCurrentAtPos"), stepMonths = this._get(inst, "stepMonths"), isMultiMonth = numMonths[0] !== 1 || numMonths[1] !== 1, currentDate = this._daylightSavingAdjust(!inst.currentDay ? new Date(9999, 9, 9) : new Date(inst.currentYear, inst.currentMonth, inst.currentDay)), minDate = this._getMinMaxDate(inst, "min"), maxDate = this._getMinMaxDate(inst, "max"), drawMonth = inst.drawMonth - showCurrentAtPos, drawYear = inst.drawYear;
      if (drawMonth < 0) {
        drawMonth += 12;
        drawYear--;
      }
      if (maxDate) {
        maxDraw = this._daylightSavingAdjust(new Date(
          maxDate.getFullYear(),
          maxDate.getMonth() - numMonths[0] * numMonths[1] + 1,
          maxDate.getDate()
        ));
        maxDraw = minDate && maxDraw < minDate ? minDate : maxDraw;
        while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
          drawMonth--;
          if (drawMonth < 0) {
            drawMonth = 11;
            drawYear--;
          }
        }
      }
      inst.drawMonth = drawMonth;
      inst.drawYear = drawYear;
      prevText = this._get(inst, "prevText");
      prevText = !navigationAsDateFormat ? prevText : this.formatDate(
        prevText,
        this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
        this._getFormatConfig(inst)
      );
      if (this._canAdjustMonth(inst, -1, drawYear, drawMonth)) {
        prev = $("<a>").attr({
          "class": "ui-datepicker-prev ui-corner-all",
          "data-handler": "prev",
          "data-event": "click",
          title: prevText
        }).append(
          $("<span>").addClass("ui-icon ui-icon-circle-triangle-" + (isRTL ? "e" : "w")).text(prevText)
        )[0].outerHTML;
      } else if (hideIfNoPrevNext) {
        prev = "";
      } else {
        prev = $("<a>").attr({
          "class": "ui-datepicker-prev ui-corner-all ui-state-disabled",
          title: prevText
        }).append(
          $("<span>").addClass("ui-icon ui-icon-circle-triangle-" + (isRTL ? "e" : "w")).text(prevText)
        )[0].outerHTML;
      }
      nextText = this._get(inst, "nextText");
      nextText = !navigationAsDateFormat ? nextText : this.formatDate(
        nextText,
        this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
        this._getFormatConfig(inst)
      );
      if (this._canAdjustMonth(inst, 1, drawYear, drawMonth)) {
        next = $("<a>").attr({
          "class": "ui-datepicker-next ui-corner-all",
          "data-handler": "next",
          "data-event": "click",
          title: nextText
        }).append(
          $("<span>").addClass("ui-icon ui-icon-circle-triangle-" + (isRTL ? "w" : "e")).text(nextText)
        )[0].outerHTML;
      } else if (hideIfNoPrevNext) {
        next = "";
      } else {
        next = $("<a>").attr({
          "class": "ui-datepicker-next ui-corner-all ui-state-disabled",
          title: nextText
        }).append(
          $("<span>").attr("class", "ui-icon ui-icon-circle-triangle-" + (isRTL ? "w" : "e")).text(nextText)
        )[0].outerHTML;
      }
      currentText = this._get(inst, "currentText");
      gotoDate = this._get(inst, "gotoCurrent") && inst.currentDay ? currentDate : today;
      currentText = !navigationAsDateFormat ? currentText : this.formatDate(currentText, gotoDate, this._getFormatConfig(inst));
      controls = "";
      if (!inst.inline) {
        controls = $("<button>").attr({
          type: "button",
          "class": "ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all",
          "data-handler": "hide",
          "data-event": "click"
        }).text(this._get(inst, "closeText"))[0].outerHTML;
      }
      buttonPanel = "";
      if (showButtonPanel) {
        buttonPanel = $("<div class='ui-datepicker-buttonpane ui-widget-content'>").append(isRTL ? controls : "").append(this._isInRange(inst, gotoDate) ? $("<button>").attr({
          type: "button",
          "class": "ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all",
          "data-handler": "today",
          "data-event": "click"
        }).text(currentText) : "").append(isRTL ? "" : controls)[0].outerHTML;
      }
      firstDay = parseInt(this._get(inst, "firstDay"), 10);
      firstDay = isNaN(firstDay) ? 0 : firstDay;
      showWeek = this._get(inst, "showWeek");
      dayNames = this._get(inst, "dayNames");
      dayNamesMin = this._get(inst, "dayNamesMin");
      monthNames = this._get(inst, "monthNames");
      monthNamesShort = this._get(inst, "monthNamesShort");
      beforeShowDay = this._get(inst, "beforeShowDay");
      showOtherMonths = this._get(inst, "showOtherMonths");
      selectOtherMonths = this._get(inst, "selectOtherMonths");
      defaultDate = this._getDefaultDate(inst);
      html = "";
      for (row = 0; row < numMonths[0]; row++) {
        group = "";
        this.maxRows = 4;
        for (col = 0; col < numMonths[1]; col++) {
          selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
          cornerClass = " ui-corner-all";
          calender = "";
          if (isMultiMonth) {
            calender += "<div class='ui-datepicker-group";
            if (numMonths[1] > 1) {
              switch (col) {
                case 0:
                  calender += " ui-datepicker-group-first";
                  cornerClass = " ui-corner-" + (isRTL ? "right" : "left");
                  break;
                case numMonths[1] - 1:
                  calender += " ui-datepicker-group-last";
                  cornerClass = " ui-corner-" + (isRTL ? "left" : "right");
                  break;
                default:
                  calender += " ui-datepicker-group-middle";
                  cornerClass = "";
                  break;
              }
            }
            calender += "'>";
          }
          calender += "<div class='ui-datepicker-header ui-widget-header ui-helper-clearfix" + cornerClass + "'>" + (/all|left/.test(cornerClass) && row === 0 ? isRTL ? next : prev : "") + (/all|right/.test(cornerClass) && row === 0 ? isRTL ? prev : next : "") + this._generateMonthYearHeader(
            inst,
            drawMonth,
            drawYear,
            minDate,
            maxDate,
            row > 0 || col > 0,
            monthNames,
            monthNamesShort
          ) + // draw month headers
          "</div><table class='ui-datepicker-calendar'><thead><tr>";
          thead = showWeek ? "<th class='ui-datepicker-week-col'>" + this._get(inst, "weekHeader") + "</th>" : "";
          for (dow = 0; dow < 7; dow++) {
            day = (dow + firstDay) % 7;
            thead += "<th scope='col'" + ((dow + firstDay + 6) % 7 >= 5 ? " class='ui-datepicker-week-end'" : "") + "><span title='" + dayNames[day] + "'>" + dayNamesMin[day] + "</span></th>";
          }
          calender += thead + "</tr></thead><tbody>";
          daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
          if (drawYear === inst.selectedYear && drawMonth === inst.selectedMonth) {
            inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
          }
          leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
          curRows = Math.ceil((leadDays + daysInMonth) / 7);
          numRows = isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows;
          this.maxRows = numRows;
          printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
          for (dRow = 0; dRow < numRows; dRow++) {
            calender += "<tr>";
            tbody = !showWeek ? "" : "<td class='ui-datepicker-week-col'>" + this._get(inst, "calculateWeek")(printDate) + "</td>";
            for (dow = 0; dow < 7; dow++) {
              daySettings = beforeShowDay ? beforeShowDay.apply(inst.input ? inst.input[0] : null, [printDate]) : [true, ""];
              otherMonth = printDate.getMonth() !== drawMonth;
              unselectable = otherMonth && !selectOtherMonths || !daySettings[0] || minDate && printDate < minDate || maxDate && printDate > maxDate;
              tbody += "<td class='" + ((dow + firstDay + 6) % 7 >= 5 ? " ui-datepicker-week-end" : "") + // highlight weekends
              (otherMonth ? " ui-datepicker-other-month" : "") + // highlight days from other months
              (printDate.getTime() === selectedDate.getTime() && drawMonth === inst.selectedMonth && inst._keyEvent || // user pressed key
              defaultDate.getTime() === printDate.getTime() && defaultDate.getTime() === selectedDate.getTime() ? (
                // or defaultDate is current printedDate and defaultDate is selectedDate
                " " + this._dayOverClass
              ) : "") + // highlight selected day
              (unselectable ? " " + this._unselectableClass + " ui-state-disabled" : "") + // highlight unselectable days
              (otherMonth && !showOtherMonths ? "" : " " + daySettings[1] + // highlight custom dates
              (printDate.getTime() === currentDate.getTime() ? " " + this._currentClass : "") + // highlight selected day
              (printDate.getTime() === today.getTime() ? " ui-datepicker-today" : "")) + "'" + // highlight today (if different)
              ((!otherMonth || showOtherMonths) && daySettings[2] ? " title='" + daySettings[2].replace(/'/g, "&#39;") + "'" : "") + // cell title
              (unselectable ? "" : " data-handler='selectDay' data-event='click' data-month='" + printDate.getMonth() + "' data-year='" + printDate.getFullYear() + "'") + ">" + // actions
              (otherMonth && !showOtherMonths ? "&#xa0;" : (
                // display for other months
                unselectable ? "<span class='ui-state-default'>" + printDate.getDate() + "</span>" : "<a class='ui-state-default" + (printDate.getTime() === today.getTime() ? " ui-state-highlight" : "") + (printDate.getTime() === currentDate.getTime() ? " ui-state-active" : "") + // highlight selected day
                (otherMonth ? " ui-priority-secondary" : "") + // distinguish dates from other months
                "' href='#' aria-current='" + (printDate.getTime() === currentDate.getTime() ? "true" : "false") + // mark date as selected for screen reader
                "' data-date='" + printDate.getDate() + // store date as data
                "'>" + printDate.getDate() + "</a>"
              )) + "</td>";
              printDate.setDate(printDate.getDate() + 1);
              printDate = this._daylightSavingAdjust(printDate);
            }
            calender += tbody + "</tr>";
          }
          drawMonth++;
          if (drawMonth > 11) {
            drawMonth = 0;
            drawYear++;
          }
          calender += "</tbody></table>" + (isMultiMonth ? "</div>" + (numMonths[0] > 0 && col === numMonths[1] - 1 ? "<div class='ui-datepicker-row-break'></div>" : "") : "");
          group += calender;
        }
        html += group;
      }
      html += buttonPanel;
      inst._keyEvent = false;
      return html;
    },
    /* Generate the month and year header. */
    _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate, secondary, monthNames, monthNamesShort) {
      var inMinYear, inMaxYear, month, years, thisYear, determineYear, year, endYear, changeMonth = this._get(inst, "changeMonth"), changeYear = this._get(inst, "changeYear"), showMonthAfterYear = this._get(inst, "showMonthAfterYear"), selectMonthLabel = this._get(inst, "selectMonthLabel"), selectYearLabel = this._get(inst, "selectYearLabel"), html = "<div class='ui-datepicker-title'>", monthHtml = "";
      if (secondary || !changeMonth) {
        monthHtml += "<span class='ui-datepicker-month'>" + monthNames[drawMonth] + "</span>";
      } else {
        inMinYear = minDate && minDate.getFullYear() === drawYear;
        inMaxYear = maxDate && maxDate.getFullYear() === drawYear;
        monthHtml += "<select class='ui-datepicker-month' aria-label='" + selectMonthLabel + "' data-handler='selectMonth' data-event='change'>";
        for (month = 0; month < 12; month++) {
          if ((!inMinYear || month >= minDate.getMonth()) && (!inMaxYear || month <= maxDate.getMonth())) {
            monthHtml += "<option value='" + month + "'" + (month === drawMonth ? " selected='selected'" : "") + ">" + monthNamesShort[month] + "</option>";
          }
        }
        monthHtml += "</select>";
      }
      if (!showMonthAfterYear) {
        html += monthHtml + (secondary || !(changeMonth && changeYear) ? "&#xa0;" : "");
      }
      if (!inst.yearshtml) {
        inst.yearshtml = "";
        if (secondary || !changeYear) {
          html += "<span class='ui-datepicker-year'>" + drawYear + "</span>";
        } else {
          years = this._get(inst, "yearRange").split(":");
          thisYear = (/* @__PURE__ */ new Date()).getFullYear();
          determineYear = function(value) {
            var year2 = value.match(/c[+\-].*/) ? drawYear + parseInt(value.substring(1), 10) : value.match(/[+\-].*/) ? thisYear + parseInt(value, 10) : parseInt(value, 10);
            return isNaN(year2) ? thisYear : year2;
          };
          year = determineYear(years[0]);
          endYear = Math.max(year, determineYear(years[1] || ""));
          year = minDate ? Math.max(year, minDate.getFullYear()) : year;
          endYear = maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear;
          inst.yearshtml += "<select class='ui-datepicker-year' aria-label='" + selectYearLabel + "' data-handler='selectYear' data-event='change'>";
          for (; year <= endYear; year++) {
            inst.yearshtml += "<option value='" + year + "'" + (year === drawYear ? " selected='selected'" : "") + ">" + year + "</option>";
          }
          inst.yearshtml += "</select>";
          html += inst.yearshtml;
          inst.yearshtml = null;
        }
      }
      html += this._get(inst, "yearSuffix");
      if (showMonthAfterYear) {
        html += (secondary || !(changeMonth && changeYear) ? "&#xa0;" : "") + monthHtml;
      }
      html += "</div>";
      return html;
    },
    /* Adjust one of the date sub-fields. */
    _adjustInstDate: function(inst, offset, period) {
      var year = inst.selectedYear + (period === "Y" ? offset : 0), month = inst.selectedMonth + (period === "M" ? offset : 0), day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) + (period === "D" ? offset : 0), date = this._restrictMinMax(inst, this._daylightSavingAdjust(new Date(year, month, day)));
      inst.selectedDay = date.getDate();
      inst.drawMonth = inst.selectedMonth = date.getMonth();
      inst.drawYear = inst.selectedYear = date.getFullYear();
      if (period === "M" || period === "Y") {
        this._notifyChange(inst);
      }
    },
    /* Ensure a date is within any min/max bounds. */
    _restrictMinMax: function(inst, date) {
      var minDate = this._getMinMaxDate(inst, "min"), maxDate = this._getMinMaxDate(inst, "max"), newDate = minDate && date < minDate ? minDate : date;
      return maxDate && newDate > maxDate ? maxDate : newDate;
    },
    /* Notify change of month/year. */
    _notifyChange: function(inst) {
      var onChange = this._get(inst, "onChangeMonthYear");
      if (onChange) {
        onChange.apply(
          inst.input ? inst.input[0] : null,
          [inst.selectedYear, inst.selectedMonth + 1, inst]
        );
      }
    },
    /* Determine the number of months to show. */
    _getNumberOfMonths: function(inst) {
      var numMonths = this._get(inst, "numberOfMonths");
      return numMonths == null ? [1, 1] : typeof numMonths === "number" ? [1, numMonths] : numMonths;
    },
    /* Determine the current maximum date - ensure no time components are set. */
    _getMinMaxDate: function(inst, minMax) {
      return this._determineDate(inst, this._get(inst, minMax + "Date"), null);
    },
    /* Find the number of days in a given month. */
    _getDaysInMonth: function(year, month) {
      return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
    },
    /* Find the day of the week of the first of a month. */
    _getFirstDayOfMonth: function(year, month) {
      return new Date(year, month, 1).getDay();
    },
    /* Determines if we should allow a "next/prev" month display change. */
    _canAdjustMonth: function(inst, offset, curYear, curMonth) {
      var numMonths = this._getNumberOfMonths(inst), date = this._daylightSavingAdjust(new Date(
        curYear,
        curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]),
        1
      ));
      if (offset < 0) {
        date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
      }
      return this._isInRange(inst, date);
    },
    /* Is the given date in the accepted range? */
    _isInRange: function(inst, date) {
      var yearSplit, currentYear, minDate = this._getMinMaxDate(inst, "min"), maxDate = this._getMinMaxDate(inst, "max"), minYear = null, maxYear = null, years = this._get(inst, "yearRange");
      if (years) {
        yearSplit = years.split(":");
        currentYear = (/* @__PURE__ */ new Date()).getFullYear();
        minYear = parseInt(yearSplit[0], 10);
        maxYear = parseInt(yearSplit[1], 10);
        if (yearSplit[0].match(/[+\-].*/)) {
          minYear += currentYear;
        }
        if (yearSplit[1].match(/[+\-].*/)) {
          maxYear += currentYear;
        }
      }
      return (!minDate || date.getTime() >= minDate.getTime()) && (!maxDate || date.getTime() <= maxDate.getTime()) && (!minYear || date.getFullYear() >= minYear) && (!maxYear || date.getFullYear() <= maxYear);
    },
    /* Provide the configuration settings for formatting/parsing. */
    _getFormatConfig: function(inst) {
      var shortYearCutoff = this._get(inst, "shortYearCutoff");
      shortYearCutoff = typeof shortYearCutoff !== "string" ? shortYearCutoff : (/* @__PURE__ */ new Date()).getFullYear() % 100 + parseInt(shortYearCutoff, 10);
      return {
        shortYearCutoff,
        dayNamesShort: this._get(inst, "dayNamesShort"),
        dayNames: this._get(inst, "dayNames"),
        monthNamesShort: this._get(inst, "monthNamesShort"),
        monthNames: this._get(inst, "monthNames")
      };
    },
    /* Format the given date for display. */
    _formatDate: function(inst, day, month, year) {
      if (!day) {
        inst.currentDay = inst.selectedDay;
        inst.currentMonth = inst.selectedMonth;
        inst.currentYear = inst.selectedYear;
      }
      var date = day ? typeof day === "object" ? day : this._daylightSavingAdjust(new Date(year, month, day)) : this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay));
      return this.formatDate(this._get(inst, "dateFormat"), date, this._getFormatConfig(inst));
    }
  });
  function datepicker_bindHover(dpDiv) {
    var selector = "button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a";
    return dpDiv.on("mouseout", selector, function() {
      $(this).removeClass("ui-state-hover");
      if (this.className.indexOf("ui-datepicker-prev") !== -1) {
        $(this).removeClass("ui-datepicker-prev-hover");
      }
      if (this.className.indexOf("ui-datepicker-next") !== -1) {
        $(this).removeClass("ui-datepicker-next-hover");
      }
    }).on("mouseover", selector, datepicker_handleMouseover);
  }
  function datepicker_handleMouseover() {
    if (!$.datepicker._isDisabledDatepicker(datepicker_instActive.inline ? datepicker_instActive.dpDiv.parent()[0] : datepicker_instActive.input[0])) {
      $(this).parents(".ui-datepicker-calendar").find("a").removeClass("ui-state-hover");
      $(this).addClass("ui-state-hover");
      if (this.className.indexOf("ui-datepicker-prev") !== -1) {
        $(this).addClass("ui-datepicker-prev-hover");
      }
      if (this.className.indexOf("ui-datepicker-next") !== -1) {
        $(this).addClass("ui-datepicker-next-hover");
      }
    }
  }
  function datepicker_extendRemove(target, props) {
    $.extend(target, props);
    for (var name in props) {
      if (props[name] == null) {
        target[name] = props[name];
      }
    }
    return target;
  }
  $.fn.datepicker = function(options) {
    if (!this.length) {
      return this;
    }
    if (!$.datepicker.initialized) {
      $(document).on("mousedown", $.datepicker._checkExternalClick);
      $.datepicker.initialized = true;
    }
    if ($("#" + $.datepicker._mainDivId).length === 0) {
      $("body").append($.datepicker.dpDiv);
    }
    var otherArgs = Array.prototype.slice.call(arguments, 1);
    if (typeof options === "string" && (options === "isDisabled" || options === "getDate" || options === "widget")) {
      return $.datepicker["_" + options + "Datepicker"].apply($.datepicker, [this[0]].concat(otherArgs));
    }
    if (options === "option" && arguments.length === 2 && typeof arguments[1] === "string") {
      return $.datepicker["_" + options + "Datepicker"].apply($.datepicker, [this[0]].concat(otherArgs));
    }
    return this.each(function() {
      if (typeof options === "string") {
        $.datepicker["_" + options + "Datepicker"].apply($.datepicker, [this].concat(otherArgs));
      } else {
        $.datepicker._attachDatepicker(this, options);
      }
    });
  };
  $.datepicker = new Datepicker();
  $.datepicker.initialized = false;
  $.datepicker.uuid = (/* @__PURE__ */ new Date()).getTime();
  $.datepicker.version = "1.14.1";
  return $.datepicker;
});
/*! Bundled license information:

jquery-ui/ui/widgets/datepicker.js:
  (*!
   * jQuery UI Datepicker 1.14.1
   * https://jqueryui.com
   *
   * Copyright OpenJS Foundation and other contributors
   * Released under the MIT license.
   * https://jquery.org/license
   *)
*/
//# sourceMappingURL=jquery-ui_ui_widgets_datepicker__js.js.map