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/*!
 * pickadate.js v3.6.4, 2019/05/25
 * By Amsul, http://amsul.ca
 * Hosted on http://amsul.github.io/pickadate.js
 * Licensed under MIT
 */

(function ( factory ) {

// AMD.
    if ( typeof define == 'function' && define.amd )
        define( 'picker', ['jquery'], factory )

// Node.js/browserify.
    else if ( typeof exports == 'object' )
        module.exports = factory( require('jquery') )

// Browser globals.
    else if ( typeof window == 'object' )
        window.Picker = factory( jQuery )
    
    else this.Picker = factory( jQuery )

}(function( $ ) {

var $window = $( window )
var $document = $( document )
var $html = $( document.documentElement )
var supportsTransitions = document.documentElement.style.transition != null

/**
 * The picker constructor that creates a blank picker.
 */
function PickerConstructor( ELEMENT, NAME, COMPONENT, OPTIONS ) {

// If there’s no element, return the picker constructor.
    if ( !ELEMENT ) return PickerConstructor

var
        IS_DEFAULT_THEME = false,

// The state of the picker.
        STATE = {
            id: ELEMENT.id || 'P' + Math.abs( ~~(Math.random() * new Date()) ),
            handlingOpen: false,
        },

// Merge the defaults and options passed.
        SETTINGS = COMPONENT ? $.extend( true, {}, COMPONENT.defaults, OPTIONS ) : OPTIONS || {},

// Merge the default classes with the settings classes.
        CLASSES = $.extend( {}, PickerConstructor.klasses(), SETTINGS.klass ),

// The element node wrapper into a jQuery object.
        $ELEMENT = $( ELEMENT ),

// Pseudo picker constructor.
        PickerInstance = function() {
            return this.start()
        },

// The picker prototype.
        P = PickerInstance.prototype = {

constructor: PickerInstance,

$node: $ELEMENT,

/**
             * Initialize everything
             */
            start: function() {

// If it’s already started, do nothing.
                if ( STATE && STATE.start ) return P

// Update the picker states.
                STATE.methods = {}
                STATE.start = true
                STATE.open = false
                STATE.type = ELEMENT.type

// Confirm focus state, convert into text input to remove UA stylings,
                // and set as readonly to prevent keyboard popup.
                ELEMENT.autofocus = ELEMENT == getActiveElement()
                ELEMENT.readOnly = !SETTINGS.editable
                SETTINGS.id = ELEMENT.id = ELEMENT.id || STATE.id
                if ( ELEMENT.type != 'text' ) {
                    ELEMENT.type = 'text'
                }

// Create a new picker component with the settings.
                P.component = new COMPONENT(P, SETTINGS)

// Create the picker root and then prepare it.
                P.$root = $( '<div class="' + CLASSES.picker + '" id="' + ELEMENT.id + '_root" />' )
                prepareElementRoot()

// Create the picker holder and then prepare it.
                P.$holder = $( createWrappedComponent() ).appendTo( P.$root )
                prepareElementHolder()

// If there’s a format for the hidden input element, create the element.
                if ( SETTINGS.formatSubmit ) {
                    prepareElementHidden()
                }

// Prepare the input element.
                prepareElement()

// Insert the hidden input as specified in the settings.
                if ( SETTINGS.containerHidden ) $( SETTINGS.containerHidden ).append( P._hidden )
                else $ELEMENT.after( P._hidden )

// Insert the root as specified in the settings.
                if ( SETTINGS.container ) $( SETTINGS.container ).append( P.$root )
                else $ELEMENT.after( P.$root )

// Bind the default component and settings events.
                P.on({
                    start: P.component.onStart,
                    render: P.component.onRender,
                    stop: P.component.onStop,
                    open: P.component.onOpen,
                    close: P.component.onClose,
                    set: P.component.onSet
                }).on({
                    start: SETTINGS.onStart,
                    render: SETTINGS.onRender,
                    stop: SETTINGS.onStop,
                    open: SETTINGS.onOpen,
                    close: SETTINGS.onClose,
                    set: SETTINGS.onSet
                })

// Once we’re all set, check the theme in use.
                IS_DEFAULT_THEME = isUsingDefaultTheme( P.$holder[0] )

// If the element has autofocus, open the picker.
                if ( ELEMENT.autofocus ) {
                    P.open()
                }

// Trigger queued the “start” and “render” events.
                return P.trigger( 'start' ).trigger( 'render' )
            }, //start

/**
             * Render a new picker
             */
            render: function( entireComponent ) {

// Insert a new component holder in the root or box.
                if ( entireComponent ) {
                    P.$holder = $( createWrappedComponent() )
                    prepareElementHolder()
                    P.$root.html( P.$holder )
                }
                else P.$root.find( '.' + CLASSES.box ).html( P.component.nodes( STATE.open ) )

// Trigger the queued “render” events.
                return P.trigger( 'render' )
            }, //render

/**
             * Destroy everything
             */
            stop: function() {

// If it’s already stopped, do nothing.
                if ( !STATE.start ) return P

// Then close the picker.
                P.close()

// Remove the hidden field.
                if ( P._hidden ) {
                    P._hidden.parentNode.removeChild( P._hidden )
                }

// Remove the root.
                P.$root.remove()

// Remove the input class, remove the stored data, and unbind
                // the events (after a tick for IE - see `P.close`).
                $ELEMENT.removeClass( CLASSES.input ).removeData( NAME )
                setTimeout( function() {
                    $ELEMENT.off( '.' + STATE.id )
                }, 0)

// Restore the element state
                ELEMENT.type = STATE.type
                ELEMENT.readOnly = false

// Trigger the queued “stop” events.
                P.trigger( 'stop' )

// Reset the picker states.
                STATE.methods = {}
                STATE.start = false

return P
            }, //stop

/**
             * Open up the picker
             */
            open: function( dontGiveFocus ) {

// If it’s already open, do nothing.
                if ( STATE.open ) return P

// Add the “active” class.
                $ELEMENT.addClass( CLASSES.active )

// * A Firefox bug, when `html` has `overflow:hidden`, results in
                //   killing transitions :(. So add the “opened” state on the next tick.
                //   Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=625289
                setTimeout( function() {

// Add the “opened” class to the picker root.
                    P.$root.addClass( CLASSES.opened )
                    aria( P.$root[0], 'hidden', false )

}, 0 )

// If we have to give focus, bind the element and doc events.
                if ( dontGiveFocus !== false ) {

// Set it as open.
                    STATE.open = true

// Prevent the page from scrolling.
                    if ( IS_DEFAULT_THEME ) {
                        $('body').
                            css( 'overflow', 'hidden' ).
                            css( 'padding-right', '+=' + getScrollbarWidth() )
                    }

// Pass focus to the root element’s jQuery object.
                    focusPickerOnceOpened()

// Bind the document events.
                    $document.on( 'click.' + STATE.id + ' focusin.' + STATE.id, function( event ) {
                        // If the picker is currently midway through processing
                        // the opening sequence of events then don't handle clicks
                        // on any part of the DOM. This is caused by a bug in Chrome 73
                        // where a click event is being generated with the incorrect
                        // path in it.
                        // In short, if someone does a click that finishes after the
                        // new element is created then the path contains only the
                        // parent element and not the input element itself.
                        if (STATE.handlingOpen) {
                          return;
                        }

var target = getRealEventTarget( event, ELEMENT )

// If the target of the event is not the element, close the picker picker.
                        // * Don’t worry about clicks or focusins on the root because those don’t bubble up.
                        //   Also, for Firefox, a click on an `option` element bubbles up directly
                        //   to the doc. So make sure the target wasn't the doc.
                        // * In Firefox stopPropagation() doesn’t prevent right-click events from bubbling,
                        //   which causes the picker to unexpectedly close when right-clicking it. So make
                        //   sure the event wasn’t a right-click.
                        // * In Chrome 62 and up, password autofill causes a simulated focusin event which
                        //   closes the picker.
                        if ( ! event.isSimulated && target != ELEMENT && target != document && event.which != 3 ) {

// If the target was the holder that covers the screen,
                            // keep the element focused to maintain tabindex.
                            P.close( target === P.$holder[0] )
                        }

}).on( 'keydown.' + STATE.id, function( event ) {

var
                            // Get the keycode.
                            keycode = event.keyCode,

// Translate that to a selection change.
                            keycodeToMove = P.component.key[ keycode ],

// Grab the target.
                            target = getRealEventTarget( event, ELEMENT )

// On escape, close the picker and give focus.
                        if ( keycode == 27 ) {
                            P.close( true )
                        }

// Check if there is a key movement or “enter” keypress on the element.
                        else if ( target == P.$holder[0] && ( keycodeToMove || keycode == 13 ) ) {

// Prevent the default action to stop page movement.
                            event.preventDefault()

// Trigger the key movement action.
                            if ( keycodeToMove ) {
                                PickerConstructor._.trigger( P.component.key.go, P, [ PickerConstructor._.trigger( keycodeToMove ) ] )
                            }

// On “enter”, if the highlighted item isn’t disabled, set the value and close.
                            else if ( !P.$root.find( '.' + CLASSES.highlighted ).hasClass( CLASSES.disabled ) ) {
                                P.set( 'select', P.component.item.highlight )
                                if ( SETTINGS.closeOnSelect ) {
                                    P.close( true )
                                }
                            }
                        }

// If the target is within the root and “enter” is pressed,
                        // prevent the default action and trigger a click on the target instead.
                        else if ( $.contains( P.$root[0], target ) && keycode == 13 ) {
                            event.preventDefault()
                            target.click()
                        }
                    })
                }

// Trigger the queued “open” events.
                return P.trigger( 'open' )
            }, //open

/**
             * Close the picker
             */
            close: function( giveFocus ) {

// If we need to give focus, do it before changing states.
                if ( giveFocus ) {
                    if ( SETTINGS.editable ) {
                        ELEMENT.focus()
                    }
                    else {
                        // ....ah yes! It would’ve been incomplete without a crazy workaround for IE :|
                        // The focus is triggered *after* the close has completed - causing it
                        // to open again. So unbind and rebind the event at the next tick.
                        P.$holder.off( 'focus.toOpen' ).focus()
                        setTimeout( function() {
                            P.$holder.on( 'focus.toOpen', handleFocusToOpenEvent )
                        }, 0 )
                    }
                }

// Remove the “active” class.
                $ELEMENT.removeClass( CLASSES.active )

// * A Firefox bug, when `html` has `overflow:hidden`, results in
                //   killing transitions :(. So remove the “opened” state on the next tick.
                //   Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=625289
                setTimeout( function() {

// Remove the “opened” and “focused” class from the picker root.
                    P.$root.removeClass( CLASSES.opened + ' ' + CLASSES.focused )
                    aria( P.$root[0], 'hidden', true )

}, 0 )

// If it’s already closed, do nothing more.
                if ( !STATE.open ) return P

// Set it as closed.
                STATE.open = false

// Allow the page to scroll.
                if ( IS_DEFAULT_THEME ) {
                    $('body').
                        css( 'overflow', '' ).
                        css( 'padding-right', '-=' + getScrollbarWidth() )
                }

// Unbind the document events.
                $document.off( '.' + STATE.id )

// Trigger the queued “close” events.
                return P.trigger( 'close' )
            }, //close

/**
             * Clear the values
             */
            clear: function( options ) {
                return P.set( 'clear', null, options )
            }, //clear

/**
             * Set something
             */
            set: function( thing, value, options ) {

var thingItem, thingValue,
                    thingIsObject = $.isPlainObject( thing ),
                    thingObject = thingIsObject ? thing : {}

// Make sure we have usable options.
                options = thingIsObject && $.isPlainObject( value ) ? value : options || {}

if ( thing ) {

// If the thing isn’t an object, make it one.
                    if ( !thingIsObject ) {
                        thingObject[ thing ] = value
                    }

// Go through the things of items to set.
                    for ( thingItem in thingObject ) {

// Grab the value of the thing.
                        thingValue = thingObject[ thingItem ]

// First, if the item exists and there’s a value, set it.
                        if ( thingItem in P.component.item ) {
                            if ( thingValue === undefined ) thingValue = null
                            P.component.set( thingItem, thingValue, options )
                        }

// Then, check to update the element value and broadcast a change.
                        if ( ( thingItem == 'select' || thingItem == 'clear' ) && SETTINGS.updateInput ) {
                            $ELEMENT.
                                val( thingItem == 'clear' ? '' : P.get( thingItem, SETTINGS.format ) ).
                                trigger( 'change' )
                        }
                    }

// Render a new picker.
                    P.render()
                }

// When the method isn’t muted, trigger queued “set” events and pass the `thingObject`.
                return options.muted ? P : P.trigger( 'set', thingObject )
            }, //set

/**
             * Get something
             */
            get: function( thing, format ) {

// Make sure there’s something to get.
                thing = thing || 'value'

// If a picker state exists, return that.
                if ( STATE[ thing ] != null ) {
                    return STATE[ thing ]
                }

// Return the submission value, if that.
                if ( thing == 'valueSubmit' ) {
                    if ( P._hidden ) {
                        return P._hidden.value
                    }
                    thing = 'value'
                }

// Return the value, if that.
                if ( thing == 'value' ) {
                    return ELEMENT.value
                }

// Check if a component item exists, return that.
                if ( thing in P.component.item ) {
                    if ( typeof format == 'string' ) {
                        var thingValue = P.component.get( thing )
                        return thingValue ?
                            PickerConstructor._.trigger(
                                P.component.formats.toString,
                                P.component,
                                [ format, thingValue ]
                            ) : ''
                    }
                    return P.component.get( thing )
                }
            }, //get

/**
             * Bind events on the things.
             */
            on: function( thing, method, internal ) {

var thingName, thingMethod,
                    thingIsObject = $.isPlainObject( thing ),
                    thingObject = thingIsObject ? thing : {}

if ( thing ) {

// If the thing isn’t an object, make it one.
                    if ( !thingIsObject ) {
                        thingObject[ thing ] = method
                    }

// Go through the things to bind to.
                    for ( thingName in thingObject ) {

// Grab the method of the thing.
                        thingMethod = thingObject[ thingName ]

// If it was an internal binding, prefix it.
                        if ( internal ) {
                            thingName = '_' + thingName
                        }

// Make sure the thing methods collection exists.
                        STATE.methods[ thingName ] = STATE.methods[ thingName ] || []

// Add the method to the relative method collection.
                        STATE.methods[ thingName ].push( thingMethod )
                    }
                }

return P
            }, //on

/**
             * Unbind events on the things.
             */
            off: function() {
                var i, thingName,
                    names = arguments;
                for ( i = 0, namesCount = names.length; i < namesCount; i += 1 ) {
                    thingName = names[i]
                    if ( thingName in STATE.methods ) {
                        delete STATE.methods[thingName]
                    }
                }
                return P
            },

/**
             * Fire off method events.
             */
            trigger: function( name, data ) {
                var _trigger = function( name ) {
                    var methodList = STATE.methods[ name ]
                    if ( methodList ) {
                        methodList.map( function( method ) {
                            PickerConstructor._.trigger( method, P, [ data ] )
                        })
                    }
                }
                _trigger( '_' + name )
                _trigger( name )
                return P
            } //trigger
        } //PickerInstance.prototype

/**
     * Wrap the picker holder components together.
     */
    function createWrappedComponent() {

// Create a picker wrapper holder
        return PickerConstructor._.node( 'div',

// Create a picker wrapper node
            PickerConstructor._.node( 'div',

// Create a picker frame
                PickerConstructor._.node( 'div',

// Create a picker box node
                    PickerConstructor._.node( 'div',

// Create the components nodes.
                        P.component.nodes( STATE.open ),

// The picker box class
                        CLASSES.box
                    ),

// Picker wrap class
                    CLASSES.wrap
                ),

// Picker frame class
                CLASSES.frame
            ),

// Picker holder class
            CLASSES.holder,

'tabindex="-1"'
        ) //endreturn
    } //createWrappedComponent

/**
     * Prepare the input element with all bindings.
     */
    function prepareElement() {

$ELEMENT.

// Store the picker data by component name.
            data(NAME, P).

// Add the “input” class name.
            addClass(CLASSES.input).

// If there’s a `data-value`, update the value of the element.
            val( $ELEMENT.data('value') ?
                P.get('select', SETTINGS.format) :
                ELEMENT.value
            ).

// On focus/click, open the picker.
            on( 'focus.' + STATE.id + ' click.' + STATE.id,
                function(event) {
                    event.preventDefault()
                    P.open()
                }
            )

// Mousedown handler to capture when the user starts interacting
            // with the picker. This is used in working around a bug in Chrome 73.
            .on('mousedown', function() {
              STATE.handlingOpen = true;
              var handler = function() {
                // By default mouseup events are fired before a click event.
                // By using a timeout we can force the mouseup to be handled
                // after the corresponding click event is handled.
                setTimeout(function() {
                  $(document).off('mouseup', handler);
                  STATE.handlingOpen = false;
                }, 0);
              };
              $(document).on('mouseup', handler);
            });

// Only bind keydown events if the element isn’t editable.
        if ( !SETTINGS.editable ) {

$ELEMENT.

// Handle keyboard event based on the picker being opened or not.
                on( 'keydown.' + STATE.id, handleKeydownEvent )
        }

// Update the aria attributes.
        aria(ELEMENT, {
            haspopup: true,
            readonly: false,
            owns: ELEMENT.id + '_root'
        })
    }

/**
     * Prepare the root picker element with all bindings.
     */
    function prepareElementRoot() {
        aria( P.$root[0], 'hidden', true )
    }

/**
      * Prepare the holder picker element with all bindings.
      */
    function prepareElementHolder() {

P.$holder.

on({

// For iOS8.
                keydown: handleKeydownEvent,

'focus.toOpen': handleFocusToOpenEvent,

blur: function() {
                    // Remove the “target” class.
                    $ELEMENT.removeClass( CLASSES.target )
                },

// When something within the holder is focused, stop from bubbling
                // to the doc and remove the “focused” state from the root.
                focusin: function( event ) {
                    P.$root.removeClass( CLASSES.focused )
                    event.stopPropagation()
                },

// When something within the holder is clicked, stop it
                // from bubbling to the doc.
                'mousedown click': function( event ) {

var target = getRealEventTarget( event, ELEMENT )

// Make sure the target isn’t the root holder so it can bubble up.
                    if ( target != P.$holder[0] ) {

event.stopPropagation()

// * For mousedown events, cancel the default action in order to
                        //   prevent cases where focus is shifted onto external elements
                        //   when using things like jQuery mobile or MagnificPopup (ref: #249 & #120).
                        //   Also, for Firefox, don’t prevent action on the `option` element.
                        if ( event.type == 'mousedown' && !$( target ).is( 'input, select, textarea, button, option' )) {

event.preventDefault()

// Re-focus onto the holder so that users can click away
                            // from elements focused within the picker.
                            P.$holder.eq(0).focus()
                        }
                    }
                }

}).

// If there’s a click on an actionable element, carry out the actions.
            on( 'click', '[data-pick], [data-nav], [data-clear], [data-close]', function() {

var $target = $( this ),
                    targetData = $target.data(),
                    targetDisabled = $target.hasClass( CLASSES.navDisabled ) || $target.hasClass( CLASSES.disabled ),

// * For IE, non-focusable elements can be active elements as well
                    //   (http://stackoverflow.com/a/2684561).
                    activeElement = getActiveElement()
                    activeElement = activeElement && ( (activeElement.type || activeElement.href ) ? activeElement : null);

// If it’s disabled or nothing inside is actively focused, re-focus the element.
                if ( targetDisabled || activeElement && !$.contains( P.$root[0], activeElement ) ) {
                    P.$holder.eq(0).focus()
                }

// If something is superficially changed, update the `highlight` based on the `nav`.
                if ( !targetDisabled && targetData.nav ) {
                    P.set( 'highlight', P.component.item.highlight, { nav: targetData.nav } )
                }

// If something is picked, set `select` then close with focus.
                else if ( !targetDisabled && 'pick' in targetData ) {
                    P.set( 'select', targetData.pick )
                    if ( SETTINGS.closeOnSelect ) {
                        P.close( true )
                    }
                }

// If a “clear” button is pressed, empty the values and close with focus.
                else if ( targetData.clear ) {
                    P.clear()
                    if ( SETTINGS.closeOnClear ) {
                        P.close( true )
                    }
                }

else if ( targetData.close ) {
                    P.close( true )
                }

}) //P.$holder

}

/**
      * Prepare the hidden input element along with all bindings.
      */
    function prepareElementHidden() {

var name

if ( SETTINGS.hiddenName === true ) {
            name = ELEMENT.name
            ELEMENT.name = ''
        }
        else {
            name = [
                typeof SETTINGS.hiddenPrefix == 'string' ? SETTINGS.hiddenPrefix : '',
                typeof SETTINGS.hiddenSuffix == 'string' ? SETTINGS.hiddenSuffix : '_submit'
            ]
            name = name[0] + ELEMENT.name + name[1]
        }

P._hidden = $(
            '<input ' +
            'type=hidden ' +

// Create the name using the original input’s with a prefix and suffix.
            'name="' + name + '"' +

// If the element has a value, set the hidden value as well.
            (
                $ELEMENT.data('value') || ELEMENT.value ?
                    ' value="' + P.get('select', SETTINGS.formatSubmit) + '"' :
                    ''
            ) +
            '>'
        )[0]

$ELEMENT.

// If the value changes, update the hidden input with the correct format.
            on('change.' + STATE.id, function() {
                P._hidden.value = ELEMENT.value ?
                    P.get('select', SETTINGS.formatSubmit) :
                    ''
            })
    }

// Wait for transitions to end before focusing the holder. Otherwise, while
    // using the `container` option, the view jumps to the container.
    function focusPickerOnceOpened() {

if (IS_DEFAULT_THEME && supportsTransitions) {
            P.$holder.find('.' + CLASSES.frame).one('transitionend', function() {
                P.$holder.eq(0).focus()
            })
        }
        else {
            setTimeout(function() {
                P.$holder.eq(0).focus()
            }, 0)
        }
    }

function handleFocusToOpenEvent(event) {

// Stop the event from propagating to the doc.
        event.stopPropagation()

// Add the “target” class.
        $ELEMENT.addClass( CLASSES.target )

// Add the “focused” class to the root.
        P.$root.addClass( CLASSES.focused )

// And then finally open the picker.
        P.open()
    }

// For iOS8.
    function handleKeydownEvent( event ) {

var keycode = event.keyCode,

// Check if one of the delete keys was pressed.
            isKeycodeDelete = /^(8|46)$/.test(keycode)

// For some reason IE clears the input value on “escape”.
        if ( keycode == 27 ) {
            P.close( true )
            return false
        }

// Check if `space` or `delete` was pressed or the picker is closed with a key movement.
        if ( keycode == 32 || isKeycodeDelete || !STATE.open && P.component.key[keycode] ) {

// Prevent it from moving the page and bubbling to doc.
            event.preventDefault()
            event.stopPropagation()

// If `delete` was pressed, clear the values and close the picker.
            // Otherwise open the picker.
            if ( isKeycodeDelete ) { P.clear().close() }
            else { P.open() }
        }
    }

// Return a new picker instance.
    return new PickerInstance()
} //PickerConstructor

/**
 * The default classes and prefix to use for the HTML classes.
 */
PickerConstructor.klasses = function( prefix ) {
    prefix = prefix || 'picker'
    return {

picker: prefix,
        opened: prefix + '--opened',
        focused: prefix + '--focused',

input: prefix + '__input',
        active: prefix + '__input--active',
        target: prefix + '__input--target',

holder: prefix + '__holder',

frame: prefix + '__frame',
        wrap: prefix + '__wrap',

box: prefix + '__box'
    }
} //PickerConstructor.klasses

/**
 * Check if the default theme is being used.
 */
function isUsingDefaultTheme( element ) {

var theme,
        prop = 'position'

// For IE.
    if ( element.currentStyle ) {
        theme = element.currentStyle[prop]
    }

// For normal browsers.
    else if ( window.getComputedStyle ) {
        theme = getComputedStyle( element )[prop]
    }

return theme == 'fixed'
}

/**
 * Get the width of the browser’s scrollbar.
 * Taken from: https://github.com/VodkaBears/Remodal/blob/master/src/jquery.remodal.js
 */
function getScrollbarWidth() {

if ( $html.height() <= $window.height() ) {
        return 0
    }

var $outer = $( '<div style="visibility:hidden;width:100px" />' ).
        appendTo( 'body' )

// Get the width without scrollbars.
    var widthWithoutScroll = $outer[0].offsetWidth

// Force adding scrollbars.
    $outer.css( 'overflow', 'scroll' )

// Add the inner div.
    var $inner = $( '<div style="width:100%" />' ).appendTo( $outer )

// Get the width with scrollbars.
    var widthWithScroll = $inner[0].offsetWidth

// Remove the divs.
    $outer.remove()

// Return the difference between the widths.
    return widthWithoutScroll - widthWithScroll
}

/**
 * Get the target element from the event.
 * If ELEMENT is supplied and present in the event path (ELEMENT is ancestor of the target),
 * returns ELEMENT instead
 */
function getRealEventTarget( event, ELEMENT ) {

var path = []

if ( event.path ) {
        path = event.path
    }

if ( event.originalEvent && event.originalEvent.path ) {
        path = event.originalEvent.path
    }

if ( path && path.length > 0 ) {
        if ( ELEMENT && path.indexOf( ELEMENT ) >= 0 ) {
            return ELEMENT
        } else {
            return path[0]
        }
    }

return event.target
}

/**
 * PickerConstructor helper methods.
 */
PickerConstructor._ = {

/**
     * Create a group of nodes. Expects:
     * `
        {
            min:    {Integer},
            max:    {Integer},
            i:      {Integer},
            node:   {String},
            item:   {Function}
        }
     * `
     */
    group: function( groupObject ) {

var
            // Scope for the looped object
            loopObjectScope,

// Create the nodes list
            nodesList = '',

// The counter starts from the `min`
            counter = PickerConstructor._.trigger( groupObject.min, groupObject )

// Loop from the `min` to `max`, incrementing by `i`
        for ( ; counter <= PickerConstructor._.trigger( groupObject.max, groupObject, [ counter ] ); counter += groupObject.i ) {

// Trigger the `item` function within scope of the object
            loopObjectScope = PickerConstructor._.trigger( groupObject.item, groupObject, [ counter ] )

// Splice the subgroup and create nodes out of the sub nodes
            nodesList += PickerConstructor._.node(
                groupObject.node,
                loopObjectScope[ 0 ],   // the node
                loopObjectScope[ 1 ],   // the classes
                loopObjectScope[ 2 ]    // the attributes
            )
        }

// Return the list of nodes
        return nodesList
    }, //group

/**
     * Create a dom node string
     */
    node: function( wrapper, item, klass, attribute ) {

// If the item is false-y, just return an empty string
        if ( !item ) return ''

// If the item is an array, do a join
        item = $.isArray( item ) ? item.join( '' ) : item

// Check for the class
        klass = klass ? ' class="' + klass + '"' : ''

// Check for any attributes
        attribute = attribute ? ' ' + attribute : ''

// Return the wrapped item
        return '<' + wrapper + klass + attribute + '>' + item + '</' + wrapper + '>'
    }, //node

/**
     * Lead numbers below 10 with a zero.
     */
    lead: function( number ) {
        return ( number < 10 ? '0': '' ) + number
    },

/**
     * Trigger a function otherwise return the value.
     */
    trigger: function( callback, scope, args ) {
        return typeof callback == 'function' ? callback.apply( scope, args || [] ) : callback
    },

/**
     * If the second character is a digit, length is 2 otherwise 1.
     */
    digits: function( string ) {
        return ( /\d/ ).test( string[ 1 ] ) ? 2 : 1
    },

/**
     * Tell if something is a date object.
     */
    isDate: function( value ) {
        return {}.toString.call( value ).indexOf( 'Date' ) > -1 && this.isInteger( value.getDate() )
    },

/**
     * Tell if something is an integer.
     */
    isInteger: function( value ) {
        return {}.toString.call( value ).indexOf( 'Number' ) > -1 && value % 1 === 0
    },

/**
     * Create ARIA attribute strings.
     */
    ariaAttr: ariaAttr
} //PickerConstructor._

/**
 * Extend the picker with a component and defaults.
 */
PickerConstructor.extend = function( name, Component ) {

// Extend jQuery.
    $.fn[ name ] = function( options, action ) {

// Grab the component data.
        var componentData = this.data( name )

// If the picker is requested, return the data object.
        if ( options == 'picker' ) {
            return componentData
        }

// If the component data exists and `options` is a string, carry out the action.
        if ( componentData && typeof options == 'string' ) {
            return PickerConstructor._.trigger( componentData[ options ], componentData, [ action ] )
        }

// Otherwise go through each matched element and if the component
        // doesn’t exist, create a new picker using `this` element
        // and merging the defaults and options with a deep copy.
        return this.each( function() {
            var $this = $( this )
            if ( !$this.data( name ) ) {
                new PickerConstructor( this, name, Component, options )
            }
        })
    }

// Set the defaults.
    $.fn[ name ].defaults = Component.defaults
} //PickerConstructor.extend

function aria(element, attribute, value) {
    if ( $.isPlainObject(attribute) ) {
        for ( var key in attribute ) {
            ariaSet(element, key, attribute[key])
        }
    }
    else {
        ariaSet(element, attribute, value)
    }
}
function ariaSet(element, attribute, value) {
    element.setAttribute(
        (attribute == 'role' ? '' : 'aria-') + attribute,
        value
    )
}
function ariaAttr(attribute, data) {
    if ( !$.isPlainObject(attribute) ) {
        attribute = { attribute: data }
    }
    data = ''
    for ( var key in attribute ) {
        var attr = (key == 'role' ? '' : 'aria-') + key,
            attrVal = attribute[key]
        data += attrVal == null ? '' : attr + '="' + attribute[key] + '"'
    }
    return data
}

// IE8 bug throws an error for activeElements within iframes.
function getActiveElement() {
    try {
        return document.activeElement
    } catch ( err ) { }
}

// Expose the picker constructor.
return PickerConstructor

}));

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