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https://queenslibrary.org/libraries/slick/slick/slick.js?tlxmr6

js queenslibrary.org collected 2026-10-01 10:16:17 UTC 84,748 bytes, 2,898 lines download raw bytes

1/*
2     _ _      _       _
3 ___| (_) ___| | __  (_)___
4/ __| | |/ __| |/ /  | / __|
5\__ \ | | (__|   < _ | \__ \
6|___/_|_|\___|_|\_(_)/ |___/
7                   |__/
8
9 Version: 1.6.0
10  Author: Ken Wheeler
11 Website: http://kenwheeler.github.io
12    Docs: http://kenwheeler.github.io/slick
13    Repo: http://github.com/kenwheeler/slick
14  Issues: http://github.com/kenwheeler/slick/issues
15
16 */
17/* global window, document, define, jQuery, setInterval, clearInterval */
18(function(factory) {
19    'use strict';
20    if (typeof define === 'function' && define.amd) {
21        define(['jquery'], factory);
22    } else if (typeof exports !== 'undefined') {
23        module.exports = factory(require('jquery'));
24    } else {
25        factory(jQuery);
26    }
27
28}(function($) {
29    'use strict';
30    var Slick = window.Slick || {};
31
32    Slick = (function() {
33
34        var instanceUid = 0;
35
36        function Slick(element, settings) {
37
38            var _ = this, dataSettings;
39
40            _.defaults = {
41                accessibility: true,
42                adaptiveHeight: false,
43                appendArrows: $(element),
44                appendDots: $(element),
45                arrows: true,
46                asNavFor: null,
47                prevArrow: '<button type="button" data-role="none" class="slick-prev" aria-label="Previous" tabindex="0" role="button">Previous</button>',
48                nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="Next" tabindex="0" role="button">Next</button>',
49                autoplay: false,
50                autoplaySpeed: 3000,
51                centerMode: false,
52                centerPadding: '50px',
53                cssEase: 'ease',
54                customPaging: function(slider, i) {
55                    return $('<button type="button" data-role="none" role="button" tabindex="0" />').text(i + 1);
56                },
57                dots: false,
58                dotsClass: 'slick-dots',
59                draggable: true,
60                easing: 'linear',
61                edgeFriction: 0.35,
62                fade: false,
63                focusOnSelect: false,
64                infinite: true,
65                initialSlide: 0,
66                lazyLoad: 'ondemand',
67                mobileFirst: false,
68                pauseOnHover: true,
69                pauseOnFocus: true,
70                pauseOnDotsHover: false,
71                respondTo: 'window',
72                responsive: null,
73                rows: 1,
74                rtl: false,
75                slide: '',
76                slidesPerRow: 1,
77                slidesToShow: 1,
78                slidesToScroll: 1,
79                speed: 500,
80                swipe: true,
81                swipeToSlide: false,
82                touchMove: true,
83                touchThreshold: 5,
84                useCSS: true,
85                useTransform: true,
86                variableWidth: false,
87                vertical: false,
88                verticalSwiping: false,
89                waitForAnimate: true,
90                zIndex: 1000
91            };
92
93            _.initials = {
94                animating: false,
95                dragging: false,
96                autoPlayTimer: null,
97                currentDirection: 0,
98                currentLeft: null,
99                currentSlide: 0,
100                direction: 1,
101                $dots: null,
102                listWidth: null,
103                listHeight: null,
104                loadIndex: 0,
105                $nextArrow: null,
106                $prevArrow: null,
107                slideCount: null,
108                slideWidth: null,
109                $slideTrack: null,
110                $slides: null,
111                sliding: false,
112                slideOffset: 0,
113                swipeLeft: null,
114                $list: null,
115                touchObject: {},
116                transformsEnabled: false,
117                unslicked: false
118            };
119
120            $.extend(_, _.initials);
121
122            _.activeBreakpoint = null;
123            _.animType = null;
124            _.animProp = null;
125            _.breakpoints = [];
126            _.breakpointSettings = [];
127            _.cssTransitions = false;
vendor: 28,311 bytes, lines 128-1080
128            _.focussed = false;
129            _.interrupted = false;
130            _.hidden = 'hidden';
131            _.paused = true;
132            _.positionProp = null;
133            _.respondTo = null;
134            _.rowCount = 1;
135            _.shouldClick = true;
136            _.$slider = $(element);
137            _.$slidesCache = null;
138            _.transformType = null;
139            _.transitionType = null;
140            _.visibilityChange = 'visibilitychange';
141            _.windowWidth = 0;
142            _.windowTimer = null;
143
144            dataSettings = $(element).data('slick') || {};
145
146            _.options = $.extend({}, _.defaults, settings, dataSettings);
147
148            _.currentSlide = _.options.initialSlide;
149
150            _.originalSettings = _.options;
151
152            if (typeof document.mozHidden !== 'undefined') {
153                _.hidden = 'mozHidden';
154                _.visibilityChange = 'mozvisibilitychange';
155            } else if (typeof document.webkitHidden !== 'undefined') {
156                _.hidden = 'webkitHidden';
157                _.visibilityChange = 'webkitvisibilitychange';
158            }
159
160            _.autoPlay = $.proxy(_.autoPlay, _);
161            _.autoPlayClear = $.proxy(_.autoPlayClear, _);
162            _.autoPlayIterator = $.proxy(_.autoPlayIterator, _);
163            _.changeSlide = $.proxy(_.changeSlide, _);
164            _.clickHandler = $.proxy(_.clickHandler, _);
165            _.selectHandler = $.proxy(_.selectHandler, _);
166            _.setPosition = $.proxy(_.setPosition, _);
167            _.swipeHandler = $.proxy(_.swipeHandler, _);
168            _.dragHandler = $.proxy(_.dragHandler, _);
169            _.keyHandler = $.proxy(_.keyHandler, _);
170
171            _.instanceUid = instanceUid++;
172
173            // A simple way to check for HTML strings
174            // Strict HTML recognition (must start with <)
175            // Extracted from jQuery v1.11 source
176            _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;
177
178
179            _.registerBreakpoints();
180            _.init(true);
181
182        }
183
184        return Slick;
185
186    }());
187
188    Slick.prototype.activateADA = function() {
189        var _ = this;
190
191        _.$slideTrack.find('.slick-active').attr({
192            'aria-hidden': 'false'
193        }).find('a, input, button, select').attr({
194            'tabindex': '0'
195        });
196
197    };
198
199    Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) {
200
201        var _ = this;
202
203        if (typeof(index) === 'boolean') {
204            addBefore = index;
205            index = null;
206        } else if (index < 0 || (index >= _.slideCount)) {
207            return false;
208        }
209
210        _.unload();
211
212        if (typeof(index) === 'number') {
213            if (index === 0 && _.$slides.length === 0) {
214                $(markup).appendTo(_.$slideTrack);
215            } else if (addBefore) {
216                $(markup).insertBefore(_.$slides.eq(index));
217            } else {
218                $(markup).insertAfter(_.$slides.eq(index));
219            }
220        } else {
221            if (addBefore === true) {
222                $(markup).prependTo(_.$slideTrack);
223            } else {
224                $(markup).appendTo(_.$slideTrack);
225            }
226        }
227
228        _.$slides = _.$slideTrack.children(this.options.slide);
229
230        _.$slideTrack.children(this.options.slide).detach();
231
232        _.$slideTrack.append(_.$slides);
233
234        _.$slides.each(function(index, element) {
235            $(element).attr('data-slick-index', index);
236        });
237
238        _.$slidesCache = _.$slides;
239
240        _.reinit();
241
242    };
243
244    Slick.prototype.animateHeight = function() {
245        var _ = this;
246        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
247            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
248            _.$list.animate({
249                height: targetHeight
250            }, _.options.speed);
251        }
252    };
253
254    Slick.prototype.animateSlide = function(targetLeft, callback) {
255
256        var animProps = {},
257            _ = this;
258
259        _.animateHeight();
260
261        if (_.options.rtl === true && _.options.vertical === false) {
262            targetLeft = -targetLeft;
263        }
264        if (_.transformsEnabled === false) {
265            if (_.options.vertical === false) {
266                _.$slideTrack.animate({
267                    left: targetLeft
268                }, _.options.speed, _.options.easing, callback);
269            } else {
270                _.$slideTrack.animate({
271                    top: targetLeft
272                }, _.options.speed, _.options.easing, callback);
273            }
274
275        } else {
276
277            if (_.cssTransitions === false) {
278                if (_.options.rtl === true) {
279                    _.currentLeft = -(_.currentLeft);
280                }
281                $({
282                    animStart: _.currentLeft
283                }).animate({
284                    animStart: targetLeft
285                }, {
286                    duration: _.options.speed,
287                    easing: _.options.easing,
288                    step: function(now) {
289                        now = Math.ceil(now);
290                        if (_.options.vertical === false) {
291                            animProps[_.animType] = 'translate(' +
292                                now + 'px, 0px)';
293                            _.$slideTrack.css(animProps);
294                        } else {
295                            animProps[_.animType] = 'translate(0px,' +
296                                now + 'px)';
297                            _.$slideTrack.css(animProps);
298                        }
299                    },
300                    complete: function() {
301                        if (callback) {
302                            callback.call();
303                        }
304                    }
305                });
306
307            } else {
308
309                _.applyTransition();
310                targetLeft = Math.ceil(targetLeft);
311
312                if (_.options.vertical === false) {
313                    animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)';
314                } else {
315                    animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)';
316                }
317                _.$slideTrack.css(animProps);
318
319                if (callback) {
320                    setTimeout(function() {
321
322                        _.disableTransition();
323
324                        callback.call();
325                    }, _.options.speed);
326                }
327
328            }
329
330        }
331
332    };
333
334    Slick.prototype.getNavTarget = function() {
335
336        var _ = this,
337            asNavFor = _.options.asNavFor;
338
339        if ( asNavFor && asNavFor !== null ) {
340            asNavFor = $(asNavFor).not(_.$slider);
341        }
342
343        return asNavFor;
344
345    };
346
347    Slick.prototype.asNavFor = function(index) {
348
349        var _ = this,
350            asNavFor = _.getNavTarget();
351
352        if ( asNavFor !== null && typeof asNavFor === 'object' ) {
353            asNavFor.each(function() {
354                var target = $(this).slick('getSlick');
355                if(!target.unslicked) {
356                    target.slideHandler(index, true);
357                }
358            });
359        }
360
361    };
362
363    Slick.prototype.applyTransition = function(slide) {
364
365        var _ = this,
366            transition = {};
367
368        if (_.options.fade === false) {
369            transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase;
370        } else {
371            transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase;
372        }
373
374        if (_.options.fade === false) {
375            _.$slideTrack.css(transition);
376        } else {
377            _.$slides.eq(slide).css(transition);
378        }
379
380    };
381
382    Slick.prototype.autoPlay = function() {
383
384        var _ = this;
385
386        _.autoPlayClear();
387
388        if ( _.slideCount > _.options.slidesToShow ) {
389            _.autoPlayTimer = setInterval( _.autoPlayIterator, _.options.autoplaySpeed );
390        }
391
392    };
393
394    Slick.prototype.autoPlayClear = function() {
395
396        var _ = this;
397
398        if (_.autoPlayTimer) {
399            clearInterval(_.autoPlayTimer);
400        }
401
402    };
403
404    Slick.prototype.autoPlayIterator = function() {
405
406        var _ = this,
407            slideTo = _.currentSlide + _.options.slidesToScroll;
408
409        if ( !_.paused && !_.interrupted && !_.focussed ) {
410
411            if ( _.options.infinite === false ) {
412
413                if ( _.direction === 1 && ( _.currentSlide + 1 ) === ( _.slideCount - 1 )) {
414                    _.direction = 0;
415                }
416
417                else if ( _.direction === 0 ) {
418
419                    slideTo = _.currentSlide - _.options.slidesToScroll;
420
421                    if ( _.currentSlide - 1 === 0 ) {
422                        _.direction = 1;
423                    }
424
425                }
426
427            }
428
429            _.slideHandler( slideTo );
430
431        }
432
433    };
434
435    Slick.prototype.buildArrows = function() {
436
437        var _ = this;
438
439        if (_.options.arrows === true ) {
440
441            _.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow');
442            _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow');
443
444            if( _.slideCount > _.options.slidesToShow ) {
445
446                _.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
447                _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
448
449                if (_.htmlExpr.test(_.options.prevArrow)) {
450                    _.$prevArrow.prependTo(_.options.appendArrows);
451                }
452
453                if (_.htmlExpr.test(_.options.nextArrow)) {
454                    _.$nextArrow.appendTo(_.options.appendArrows);
455                }
456
457                if (_.options.infinite !== true) {
458                    _.$prevArrow
459                        .addClass('slick-disabled')
460                        .attr('aria-disabled', 'true');
461                }
462
463            } else {
464
465                _.$prevArrow.add( _.$nextArrow )
466
467                    .addClass('slick-hidden')
468                    .attr({
469                        'aria-disabled': 'true',
470                        'tabindex': '-1'
471                    });
472
473            }
474
475        }
476
477    };
478
479    Slick.prototype.buildDots = function() {
480
481        var _ = this,
482            i, dot;
483
484        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
485
486            _.$slider.addClass('slick-dotted');
487
488            dot = $('<ul />').addClass(_.options.dotsClass);
489
490            for (i = 0; i <= _.getDotCount(); i += 1) {
491                dot.append($('<li />').append(_.options.customPaging.call(this, _, i)));
492            }
493
494            _.$dots = dot.appendTo(_.options.appendDots);
495
496            _.$dots.find('li').first().addClass('slick-active').attr('aria-hidden', 'false');
497
498        }
499
500    };
501
502    Slick.prototype.buildOut = function() {
503
504        var _ = this;
505
506        _.$slides =
507            _.$slider
508                .children( _.options.slide + ':not(.slick-cloned)')
509                .addClass('slick-slide');
510
511        _.slideCount = _.$slides.length;
512
513        _.$slides.each(function(index, element) {
514            $(element)
515                .attr('data-slick-index', index)
516                .data('originalStyling', $(element).attr('style') || '');
517        });
518
519        _.$slider.addClass('slick-slider');
520
521        _.$slideTrack = (_.slideCount === 0) ?
522            $('<div class="slick-track"/>').appendTo(_.$slider) :
523            _.$slides.wrapAll('<div class="slick-track"/>').parent();
524
525        _.$list = _.$slideTrack.wrap(
526            '<div aria-live="polite" class="slick-list"/>').parent();
527        _.$slideTrack.css('opacity', 0);
528
529        if (_.options.centerMode === true || _.options.swipeToSlide === true) {
530            _.options.slidesToScroll = 1;
531        }
532
533        $('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');
534
535        _.setupInfinite();
536
537        _.buildArrows();
538
539        _.buildDots();
540
541        _.updateDots();
542
543
544        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
545
546        if (_.options.draggable === true) {
547            _.$list.addClass('draggable');
548        }
549
550    };
551
552    Slick.prototype.buildRows = function() {
553
554        var _ = this, a, b, c, newSlides, numOfSlides, originalSlides,slidesPerSection;
555
556        newSlides = document.createDocumentFragment();
557        originalSlides = _.$slider.children();
558
559        if(_.options.rows > 1) {
560
561            slidesPerSection = _.options.slidesPerRow * _.options.rows;
562            numOfSlides = Math.ceil(
563                originalSlides.length / slidesPerSection
564            );
565
566            for(a = 0; a < numOfSlides; a++){
567                var slide = document.createElement('div');
568                for(b = 0; b < _.options.rows; b++) {
569                    var row = document.createElement('div');
570                    for(c = 0; c < _.options.slidesPerRow; c++) {
571                        var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c));
572                        if (originalSlides.get(target)) {
573                            row.appendChild(originalSlides.get(target));
574                        }
575                    }
576                    slide.appendChild(row);
577                }
578                newSlides.appendChild(slide);
579            }
580
581            _.$slider.empty().append(newSlides);
582            _.$slider.children().children().children()
583                .css({
584                    'width':(100 / _.options.slidesPerRow) + '%',
585                    'display': 'inline-block'
586                });
587
588        }
589
590    };
591
592    Slick.prototype.checkResponsive = function(initial, forceUpdate) {
593
594        var _ = this,
595            breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false;
596        var sliderWidth = _.$slider.width();
597        var windowWidth = window.innerWidth || $(window).width();
598
599        if (_.respondTo === 'window') {
600            respondToWidth = windowWidth;
601        } else if (_.respondTo === 'slider') {
602            respondToWidth = sliderWidth;
603        } else if (_.respondTo === 'min') {
604            respondToWidth = Math.min(windowWidth, sliderWidth);
605        }
606
607        if ( _.options.responsive &&
608            _.options.responsive.length &&
609            _.options.responsive !== null) {
610
611            targetBreakpoint = null;
612
613            for (breakpoint in _.breakpoints) {
614                if (_.breakpoints.hasOwnProperty(breakpoint)) {
615                    if (_.originalSettings.mobileFirst === false) {
616                        if (respondToWidth < _.breakpoints[breakpoint]) {
617                            targetBreakpoint = _.breakpoints[breakpoint];
618                        }
619                    } else {
620                        if (respondToWidth > _.breakpoints[breakpoint]) {
621                            targetBreakpoint = _.breakpoints[breakpoint];
622                        }
623                    }
624                }
625            }
626
627            if (targetBreakpoint !== null) {
628                if (_.activeBreakpoint !== null) {
629                    if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) {
630                        _.activeBreakpoint =
631                            targetBreakpoint;
632                        if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
633                            _.unslick(targetBreakpoint);
634                        } else {
635                            _.options = $.extend({}, _.originalSettings,
636                                _.breakpointSettings[
637                                    targetBreakpoint]);
638                            if (initial === true) {
639                                _.currentSlide = _.options.initialSlide;
640                            }
641                            _.refresh(initial);
642                        }
643                        triggerBreakpoint = targetBreakpoint;
644                    }
645                } else {
646                    _.activeBreakpoint = targetBreakpoint;
647                    if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
648                        _.unslick(targetBreakpoint);
649                    } else {
650                        _.options = $.extend({}, _.originalSettings,
651                            _.breakpointSettings[
652                                targetBreakpoint]);
653                        if (initial === true) {
654                            _.currentSlide = _.options.initialSlide;
655                        }
656                        _.refresh(initial);
657                    }
658                    triggerBreakpoint = targetBreakpoint;
659                }
660            } else {
661                if (_.activeBreakpoint !== null) {
662                    _.activeBreakpoint = null;
663                    _.options = _.originalSettings;
664                    if (initial === true) {
665                        _.currentSlide = _.options.initialSlide;
666                    }
667                    _.refresh(initial);
668                    triggerBreakpoint = targetBreakpoint;
669                }
670            }
671
672            // only trigger breakpoints during an actual break. not on initialize.
673            if( !initial && triggerBreakpoint !== false ) {
674                _.$slider.trigger('breakpoint', [_, triggerBreakpoint]);
675            }
676        }
677
678    };
679
680    Slick.prototype.changeSlide = function(event, dontAnimate) {
681
682        var _ = this,
683            $target = $(event.currentTarget),
684            indexOffset, slideOffset, unevenOffset;
685
686        // If target is a link, prevent default action.
687        if($target.is('a')) {
688            event.preventDefault();
689        }
690
691        // If target is not the <li> element (ie: a child), find the <li>.
692        if(!$target.is('li')) {
693            $target = $target.closest('li');
694        }
695
696        unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0);
697        indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll;
698
699        switch (event.data.message) {
700
701            case 'previous':
702                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset;
703                if (_.slideCount > _.options.slidesToShow) {
704                    _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate);
705                }
706                break;
707
708            case 'next':
709                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset;
710                if (_.slideCount > _.options.slidesToShow) {
711                    _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate);
712                }
713                break;
714
715            case 'index':
716                var index = event.data.index === 0 ? 0 :
717                    event.data.index || $target.index() * _.options.slidesToScroll;
718
719                _.slideHandler(_.checkNavigable(index), false, dontAnimate);
720                $target.children().trigger('focus');
721                break;
722
723            default:
724                return;
725        }
726
727    };
728
729    Slick.prototype.checkNavigable = function(index) {
730
731        var _ = this,
732            navigables, prevNavigable;
733
734        navigables = _.getNavigableIndexes();
735        prevNavigable = 0;
736        if (index > navigables[navigables.length - 1]) {
737            index = navigables[navigables.length - 1];
738        } else {
739            for (var n in navigables) {
740                if (index < navigables[n]) {
741                    index = prevNavigable;
742                    break;
743                }
744                prevNavigable = navigables[n];
745            }
746        }
747
748        return index;
749    };
750
751    Slick.prototype.cleanUpEvents = function() {
752
753        var _ = this;
754
755        if (_.options.dots && _.$dots !== null) {
756
757            $('li', _.$dots)
758                .off('click.slick', _.changeSlide)
759                .off('mouseenter.slick', $.proxy(_.interrupt, _, true))
760                .off('mouseleave.slick', $.proxy(_.interrupt, _, false));
761
762        }
763
764        _.$slider.off('focus.slick blur.slick');
765
766        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
767            _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide);
768            _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);
769        }
770
771        _.$list.off('touchstart.slick mousedown.slick', _.swipeHandler);
772        _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler);
773        _.$list.off('touchend.slick mouseup.slick', _.swipeHandler);
774        _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler);
775
776        _.$list.off('click.slick', _.clickHandler);
777
778        $(document).off(_.visibilityChange, _.visibility);
779
780        _.cleanUpSlideEvents();
781
782        if (_.options.accessibility === true) {
783            _.$list.off('keydown.slick', _.keyHandler);
784        }
785
786        if (_.options.focusOnSelect === true) {
787            $(_.$slideTrack).children().off('click.slick', _.selectHandler);
788        }
789
790        $(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange);
791
792        $(window).off('resize.slick.slick-' + _.instanceUid, _.resize);
793
794        $('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault);
795
796        $(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);
797        $(document).off('ready.slick.slick-' + _.instanceUid, _.setPosition);
798
799    };
800
801    Slick.prototype.cleanUpSlideEvents = function() {
802
803        var _ = this;
804
805        _.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true));
806        _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false));
807
808    };
809
810    Slick.prototype.cleanUpRows = function() {
811
812        var _ = this, originalSlides;
813
814        if(_.options.rows > 1) {
815            originalSlides = _.$slides.children().children();
816            originalSlides.removeAttr('style');
817            _.$slider.empty().append(originalSlides);
818        }
819
820    };
821
822    Slick.prototype.clickHandler = function(event) {
823
824        var _ = this;
825
826        if (_.shouldClick === false) {
827            event.stopImmediatePropagation();
828            event.stopPropagation();
829            event.preventDefault();
830        }
831
832    };
833
834    Slick.prototype.destroy = function(refresh) {
835
836        var _ = this;
837
838        _.autoPlayClear();
839
840        _.touchObject = {};
841
842        _.cleanUpEvents();
843
844        $('.slick-cloned', _.$slider).detach();
845
846        if (_.$dots) {
847            _.$dots.remove();
848        }
849
850
851        if ( _.$prevArrow && _.$prevArrow.length ) {
852
853            _.$prevArrow
854                .removeClass('slick-disabled slick-arrow slick-hidden')
855                .removeAttr('aria-hidden aria-disabled tabindex')
856                .css('display','');
857
858            if ( _.htmlExpr.test( _.options.prevArrow )) {
859                _.$prevArrow.remove();
860            }
861        }
862
863        if ( _.$nextArrow && _.$nextArrow.length ) {
864
865            _.$nextArrow
866                .removeClass('slick-disabled slick-arrow slick-hidden')
867                .removeAttr('aria-hidden aria-disabled tabindex')
868                .css('display','');
869
870            if ( _.htmlExpr.test( _.options.nextArrow )) {
871                _.$nextArrow.remove();
872            }
873
874        }
875
876
877        if (_.$slides) {
878
879            _.$slides
880                .removeClass('slick-slide slick-active slick-center slick-visible slick-current')
881                .removeAttr('aria-hidden')
882                .removeAttr('data-slick-index')
883                .each(function(){
884                    $(this).attr('style', $(this).data('originalStyling'));
885                });
886
887            _.$slideTrack.children(this.options.slide).detach();
888
889            _.$slideTrack.detach();
890
891            _.$list.detach();
892
893            _.$slider.append(_.$slides);
894        }
895
896        _.cleanUpRows();
897
898        _.$slider.removeClass('slick-slider');
899        _.$slider.removeClass('slick-initialized');
900        _.$slider.removeClass('slick-dotted');
901
902        _.unslicked = true;
903
904        if(!refresh) {
905            _.$slider.trigger('destroy', [_]);
906        }
907
908    };
909
910    Slick.prototype.disableTransition = function(slide) {
911
912        var _ = this,
913            transition = {};
914
915        transition[_.transitionType] = '';
916
917        if (_.options.fade === false) {
918            _.$slideTrack.css(transition);
919        } else {
920            _.$slides.eq(slide).css(transition);
921        }
922
923    };
924
925    Slick.prototype.fadeSlide = function(slideIndex, callback) {
926
927        var _ = this;
928
929        if (_.cssTransitions === false) {
930
931            _.$slides.eq(slideIndex).css({
932                zIndex: _.options.zIndex
933            });
934
935            _.$slides.eq(slideIndex).animate({
936                opacity: 1
937            }, _.options.speed, _.options.easing, callback);
938
939        } else {
940
941            _.applyTransition(slideIndex);
942
943            _.$slides.eq(slideIndex).css({
944                opacity: 1,
945                zIndex: _.options.zIndex
946            });
947
948            if (callback) {
949                setTimeout(function() {
950
951                    _.disableTransition(slideIndex);
952
953                    callback.call();
954                }, _.options.speed);
955            }
956
957        }
958
959    };
960
961    Slick.prototype.fadeSlideOut = function(slideIndex) {
962
963        var _ = this;
964
965        if (_.cssTransitions === false) {
966
967            _.$slides.eq(slideIndex).animate({
968                opacity: 0,
969                zIndex: _.options.zIndex - 2
970            }, _.options.speed, _.options.easing);
971
972        } else {
973
974            _.applyTransition(slideIndex);
975
976            _.$slides.eq(slideIndex).css({
977                opacity: 0,
978                zIndex: _.options.zIndex - 2
979            });
980
981        }
982
983    };
984
985    Slick.prototype.filterSlides = Slick.prototype.slickFilter = function(filter) {
986
987        var _ = this;
988
989        if (filter !== null) {
990
991            _.$slidesCache = _.$slides;
992
993            _.unload();
994
995            _.$slideTrack.children(this.options.slide).detach();
996
997            _.$slidesCache.filter(filter).appendTo(_.$slideTrack);
998
999            _.reinit();
1000
1001        }
1002
1003    };
1004
1005    Slick.prototype.focusHandler = function() {
1006
1007        var _ = this;
1008
1009        _.$slider
1010            .off('focus.slick blur.slick')
1011            .on('focus.slick blur.slick',
1012                '*:not(.slick-arrow)', function(event) {
1013
1014            event.stopImmediatePropagation();
1015            var $sf = $(this);
1016
1017            setTimeout(function() {
1018
1019                if( _.options.pauseOnFocus ) {
1020                    _.focussed = $sf.is(':focus');
1021                    _.autoPlay();
1022                }
1023
1024            }, 0);
1025
1026        });
1027    };
1028
1029    Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {
1030
1031        var _ = this;
1032        return _.currentSlide;
1033
1034    };
1035
1036    Slick.prototype.getDotCount = function() {
1037
1038        var _ = this;
1039
1040        var breakPoint = 0;
1041        var counter = 0;
1042        var pagerQty = 0;
1043
1044        if (_.options.infinite === true) {
1045            while (breakPoint < _.slideCount) {
1046                ++pagerQty;
1047                breakPoint = counter + _.options.slidesToScroll;
1048                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1049            }
1050        } else if (_.options.centerMode === true) {
1051            pagerQty = _.slideCount;
1052        } else if(!_.options.asNavFor) {
1053            pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll);
1054        }else {
1055            while (breakPoint < _.slideCount) {
1056                ++pagerQty;
1057                breakPoint = counter + _.options.slidesToScroll;
1058                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1059            }
1060        }
1061
1062        return pagerQty - 1;
1063
1064    };
1065
1066    Slick.prototype.getLeft = function(slideIndex) {
1067
1068        var _ = this,
1069            targetLeft,
1070            verticalHeight,
1071            verticalOffset = 0,
1072            targetSlide;
1073
1074        _.slideOffset = 0;
1075        verticalHeight = _.$slides.first().outerHeight(true);
1076
1077        if (_.options.infinite === true) {
1078            if (_.slideCount > _.options.slidesToShow) {
1079                _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1;
1080                verticalOffset = (verticalHeight * _.options.slidesToShow) * -1
vendor: 6,628 bytes, lines 1080-1280
1080;
1081            }
1082            if (_.slideCount % _.options.slidesToScroll !== 0) {
1083                if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
1084                    if (slideIndex > _.slideCount) {
1085                        _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1;
1086                        verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1;
1087                    } else {
1088                        _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1;
1089                        verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1;
1090                    }
1091                }
1092            }
1093        } else {
1094            if (slideIndex + _.options.slidesToShow > _.slideCount) {
1095                _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth;
1096                verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight;
1097            }
1098        }
1099
1100        if (_.slideCount <= _.options.slidesToShow) {
1101            _.slideOffset = 0;
1102            verticalOffset = 0;
1103        }
1104
1105        if (_.options.centerMode === true && _.slideCount <= _.options.slidesToShow) {
1106            _.slideOffset = ((_.slideWidth * Math.floor(_.options.slidesToShow)) / 2) - ((_.slideWidth * _.slideCount) / 2);
1107        } else if (_.options.centerMode === true && _.options.infinite === true) {
1108            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
1109        } else if (_.options.centerMode === true) {
1110            _.slideOffset = 0;
1111            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
1112        }
1113
1114        if (_.options.vertical === false) {
1115            targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
1116        } else {
1117            targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
1118        }
1119
1120        if (_.options.variableWidth === true) {
1121
1122            if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
1123                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
1124            } else {
1125                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow);
1126            }
1127
1128            if (_.options.rtl === true) {
1129                if (targetSlide[0]) {
1130                    targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
1131                } else {
1132                    targetLeft =  0;
1133                }
1134            } else {
1135                targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
1136            }
1137
1138            if (_.options.centerMode === true) {
1139                if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
1140                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
1141                } else {
1142                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1);
1143                }
1144
1145                if (_.options.rtl === true) {
1146                    if (targetSlide[0]) {
1147                        targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
1148                    } else {
1149                        targetLeft =  0;
1150                    }
1151                } else {
1152                    targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
1153                }
1154
1155                targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2;
1156            }
1157        }
1158
1159        return targetLeft;
1160
1161    };
1162
1163    Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {
1164
1165        var _ = this;
1166
1167        return _.options[option];
1168
1169    };
1170
1171    Slick.prototype.getNavigableIndexes = function() {
1172
1173        var _ = this,
1174            breakPoint = 0,
1175            counter = 0,
1176            indexes = [],
1177            max;
1178
1179        if (_.options.infinite === false) {
1180            max = _.slideCount;
1181        } else {
1182            breakPoint = _.options.slidesToScroll * -1;
1183            counter = _.options.slidesToScroll * -1;
1184            max = _.slideCount * 2;
1185        }
1186
1187        while (breakPoint < max) {
1188            indexes.push(breakPoint);
1189            breakPoint = counter + _.options.slidesToScroll;
1190            counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
1191        }
1192
1193        return indexes;
1194
1195    };
1196
1197    Slick.prototype.getSlick = function() {
1198
1199        return this;
1200
1201    };
1202
1203    Slick.prototype.getSlideCount = function() {
1204
1205        var _ = this,
1206            slidesTraversed, swipedSlide, centerOffset;
1207
1208        centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0;
1209
1210        if (_.options.swipeToSlide === true) {
1211            _.$slideTrack.find('.slick-slide').each(function(index, slide) {
1212                if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) {
1213                    swipedSlide = slide;
1214                    return false;
1215                }
1216            });
1217
1218            slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1;
1219
1220            return slidesTraversed;
1221
1222        } else {
1223            return _.options.slidesToScroll;
1224        }
1225
1226    };
1227
1228    Slick.prototype.goTo = Slick.prototype.slickGoTo = function(slide, dontAnimate) {
1229
1230        var _ = this;
1231
1232        _.changeSlide({
1233            data: {
1234                message: 'index',
1235                index: parseInt(slide)
1236            }
1237        }, dontAnimate);
1238
1239    };
1240
1241    Slick.prototype.init = function(creation) {
1242
1243        var _ = this;
1244
1245        if (!$(_.$slider).hasClass('slick-initialized')) {
1246
1247            $(_.$slider).addClass('slick-initialized');
1248
1249            _.buildRows();
1250            _.buildOut();
1251            _.setProps();
1252            _.startLoad();
1253            _.loadSlider();
1254            _.initializeEvents();
1255            _.updateArrows();
1256            _.updateDots();
1257            _.checkResponsive(true);
1258            _.focusHandler();
1259
1260        }
1261
1262        if (creation) {
1263            _.$slider.trigger('init', [_]);
1264        }
1265
1266        if (_.options.accessibility === true) {
1267            _.initADA();
1268        }
1269
1270        if ( _.options.autoplay ) {
1271
1272            _.paused = false;
1273            _.autoPlay();
1274
1275        }
1276
1277    };
1278
1279    Slick.prototype.initADA = function() {
1280        var _ = this
1280;
1281        _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({
1282            'aria-hidden': 'true',
1283            'tabindex': '-1'
1284        }).find('a, input, button, select').attr({
1285            'tabindex': '-1'
1286        });
1287
1288        _.$slideTrack.attr('role', 'listbox');
1289
1290        _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) {
1291            $(this).attr('role', 'option');
1292            
1293            //Evenly distribute aria-describedby tags through available dots.
1294            var describedBySlideId = _.options.centerMode ? i : Math.floor(i / _.options.slidesToShow);
1295            
1296            if (_.options.dots === true) {
1297                $(this).attr('aria-describedby', 'slick-slide' + _.instanceUid + describedBySlideId + '');
1298            }
1299        });
1300
1301        if (_.$dots !== null) {
1302            _.$dots.attr('role', 'tablist').find('li').each(function(i) {
1303                $(this).attr({
1304                    'role': 'presentation',
1305                    'aria-selected': 'false',
1306                    'aria-controls': 'navigation' + _.instanceUid + i + '',
1307                    'id': 'slick-slide' + _.instanceUid + i + ''
1308                });
1309            })
1310                .first().attr('aria-selected', 'true').end()
1311                .find('button').attr('role', 'button').end()
1312                .closest('div').attr('role', 'toolbar');
1313        }
1314        _.activateADA();
1315
1316    };
1317
1318    Slick.prototype.initArrowEvents = function() {
1319
1320        var _ = this;
1321
1322        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
1323            _.$prevArrow
1324               .off('click.slick')
1325               .on('click.slick', {
1326                    message: 'previous'
1327               }, _.changeSlide);
1328            _.$nextArrow
1329               .off('click.slick')
1330               .on('click.slick', {
1331                    message: 'next'
1332               }, _.changeSlide);
1333        }
1334
1335    };
1336
1337    Slick.prototype.initDotEvents = function() {
1338
1339        var _ = this;
1340
1341        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
1342            $('li', _.$dots).on('click.slick', {
1343                message: 'index'
1344            }, _.changeSlide);
1345        }
1346
1347        if ( _.options.dots === true && _.options.pauseOnDotsHover === true ) {
1348
1349            $('li', _.$dots)
1350                .on('mouseenter.slick', $.proxy(_.interrupt, _, true))
1351                .on('mouseleave.slick', $.proxy(_.interrupt, _, false));
1352
1353        }
1354
1355    };
1356
1357    Slick.prototype.initSlideEvents = function() {
1358
1359        var _ = this;
1360
1361        if ( _.options.pauseOnHover ) {
1362
1363            _.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true));
1364            _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false));
1365
1366        }
1367
1368    };
1369
1370    Slick.prototype.initializeEvents = function() {
1371
1372        var _ = this;
1373
1374        _.initArrowEvents();
1375
1376        _.initDotEvents();
1377        _.initSlideEvents();
1378
1379        _.$list.on('touchstart.slick mousedown.slick', {
1380            action: 'start'
1381        }, _.swipeHandler);
1382        _.$list.on('touchmove.slick mousemove.slick', {
1383            action: 'move'
1384        }, _.swipeHandler);
1385        _.$list.on('touchend.slick mouseup.slick', {
1386            action: 'end'
1387        }, _.swipeHandler);
vendor: 10,240 bytes, lines 1388-1765
1388        _.$list.on('touchcancel.slick mouseleave.slick', {
1389            action: 'end'
1390        }, _.swipeHandler);
1391
1392        _.$list.on('click.slick', _.clickHandler);
1393
1394        $(document).on(_.visibilityChange, $.proxy(_.visibility, _));
1395
1396        if (_.options.accessibility === true) {
1397            _.$list.on('keydown.slick', _.keyHandler);
1398        }
1399
1400        if (_.options.focusOnSelect === true) {
1401            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
1402        }
1403
1404        $(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _));
1405
1406        $(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _));
1407
1408        $('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault);
1409
1410        $(window).on('load.slick.slick-' + _.instanceUid, _.setPosition);
1411        $(document).on('ready.slick.slick-' + _.instanceUid, _.setPosition);
1412
1413    };
1414
1415    Slick.prototype.initUI = function() {
1416
1417        var _ = this;
1418
1419        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
1420
1421            _.$prevArrow.show();
1422            _.$nextArrow.show();
1423
1424        }
1425
1426        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
1427
1428            _.$dots.show();
1429
1430        }
1431
1432    };
1433
1434    Slick.prototype.keyHandler = function(event) {
1435
1436        var _ = this;
1437         //Dont slide if the cursor is inside the form fields and arrow keys are pressed
1438        if(!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) {
1439            if (event.keyCode === 37 && _.options.accessibility === true) {
1440                _.changeSlide({
1441                    data: {
1442                        message: _.options.rtl === true ? 'next' :  'previous'
1443                    }
1444                });
1445            } else if (event.keyCode === 39 && _.options.accessibility === true) {
1446                _.changeSlide({
1447                    data: {
1448                        message: _.options.rtl === true ? 'previous' : 'next'
1449                    }
1450                });
1451            }
1452        }
1453
1454    };
1455
1456    Slick.prototype.lazyLoad = function() {
1457
1458        var _ = this,
1459            loadRange, cloneRange, rangeStart, rangeEnd;
1460
1461        function loadImages(imagesScope) {
1462
1463            $('img[data-lazy]', imagesScope).each(function() {
1464
1465                var image = $(this),
1466                    imageSource = $(this).attr('data-lazy'),
1467                    imageToLoad = document.createElement('img');
1468
1469                imageToLoad.onload = function() {
1470
1471                    image
1472                        .animate({ opacity: 0 }, 100, function() {
1473                            image
1474                                .attr('src', imageSource)
1475                                .animate({ opacity: 1 }, 200, function() {
1476                                    image
1477                                        .removeAttr('data-lazy')
1478                                        .removeClass('slick-loading');
1479                                });
1480                            _.$slider.trigger('lazyLoaded', [_, image, imageSource]);
1481                        });
1482
1483                };
1484
1485                imageToLoad.onerror = function() {
1486
1487                    image
1488                        .removeAttr( 'data-lazy' )
1489                        .removeClass( 'slick-loading' )
1490                        .addClass( 'slick-lazyload-error' );
1491
1492                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);
1493
1494                };
1495
1496                imageToLoad.src = imageSource;
1497
1498            });
1499
1500        }
1501
1502        if (_.options.centerMode === true) {
1503            if (_.options.infinite === true) {
1504                rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1);
1505                rangeEnd = rangeStart + _.options.slidesToShow + 2;
1506            } else {
1507                rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1));
1508                rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide;
1509            }
1510        } else {
1511            rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
1512            rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow);
1513            if (_.options.fade === true) {
1514                if (rangeStart > 0) rangeStart--;
1515                if (rangeEnd <= _.slideCount) rangeEnd++;
1516            }
1517        }
1518
1519        loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);
1520        loadImages(loadRange);
1521
1522        if (_.slideCount <= _.options.slidesToShow) {
1523            cloneRange = _.$slider.find('.slick-slide');
1524            loadImages(cloneRange);
1525        } else
1526        if (_.currentSlide >= _.slideCount - _.options.slidesToShow) {
1527            cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow);
1528            loadImages(cloneRange);
1529        } else if (_.currentSlide === 0) {
1530            cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1);
1531            loadImages(cloneRange);
1532        }
1533
1534    };
1535
1536    Slick.prototype.loadSlider = function() {
1537
1538        var _ = this;
1539
1540        _.setPosition();
1541
1542        _.$slideTrack.css({
1543            opacity: 1
1544        });
1545
1546        _.$slider.removeClass('slick-loading');
1547
1548        _.initUI();
1549
1550        if (_.options.lazyLoad === 'progressive') {
1551            _.progressiveLazyLoad();
1552        }
1553
1554    };
1555
1556    Slick.prototype.next = Slick.prototype.slickNext = function() {
1557
1558        var _ = this;
1559
1560        _.changeSlide({
1561            data: {
1562                message: 'next'
1563            }
1564        });
1565
1566    };
1567
1568    Slick.prototype.orientationChange = function() {
1569
1570        var _ = this;
1571
1572        _.checkResponsive();
1573        _.setPosition();
1574
1575    };
1576
1577    Slick.prototype.pause = Slick.prototype.slickPause = function() {
1578
1579        var _ = this;
1580
1581        _.autoPlayClear();
1582        _.paused = true;
1583
1584    };
1585
1586    Slick.prototype.play = Slick.prototype.slickPlay = function() {
1587
1588        var _ = this;
1589
1590        _.autoPlay();
1591        _.options.autoplay = true;
1592        _.paused = false;
1593        _.focussed = false;
1594        _.interrupted = false;
1595
1596    };
1597
1598    Slick.prototype.postSlide = function(index) {
1599
1600        var _ = this;
1601
1602        if( !_.unslicked ) {
1603
1604            _.$slider.trigger('afterChange', [_, index]);
1605
1606            _.animating = false;
1607
1608            _.setPosition();
1609
1610            _.swipeLeft = null;
1611
1612            if ( _.options.autoplay ) {
1613                _.autoPlay();
1614            }
1615
1616            if (_.options.accessibility === true) {
1617                _.initADA();
1618            }
1619
1620        }
1621
1622    };
1623
1624    Slick.prototype.prev = Slick.prototype.slickPrev = function() {
1625
1626        var _ = this;
1627
1628        _.changeSlide({
1629            data: {
1630                message: 'previous'
1631            }
1632        });
1633
1634    };
1635
1636    Slick.prototype.preventDefault = function(event) {
1637
1638        event.preventDefault();
1639
1640    };
1641
1642    Slick.prototype.progressiveLazyLoad = function( tryCount ) {
1643
1644        tryCount = tryCount || 1;
1645
1646        var _ = this,
1647            $imgsToLoad = $( 'img[data-lazy]', _.$slider ),
1648            image,
1649            imageSource,
1650            imageToLoad;
1651
1652        if ( $imgsToLoad.length ) {
1653
1654            image = $imgsToLoad.first();
1655            imageSource = image.attr('data-lazy');
1656            imageToLoad = document.createElement('img');
1657
1658            imageToLoad.onload = function() {
1659
1660                image
1661                    .attr( 'src', imageSource )
1662                    .removeAttr('data-lazy')
1663                    .removeClass('slick-loading');
1664
1665                if ( _.options.adaptiveHeight === true ) {
1666                    _.setPosition();
1667                }
1668
1669                _.$slider.trigger('lazyLoaded', [ _, image, imageSource ]);
1670                _.progressiveLazyLoad();
1671
1672            };
1673
1674            imageToLoad.onerror = function() {
1675
1676                if ( tryCount < 3 ) {
1677
1678                    /**
1679                     * try to load the image 3 times,
1680                     * leave a slight delay so we don't get
1681                     * servers blocking the request.
1682                     */
1683                    setTimeout( function() {
1684                        _.progressiveLazyLoad( tryCount + 1 );
1685                    }, 500 );
1686
1687                } else {
1688
1689                    image
1690                        .removeAttr( 'data-lazy' )
1691                        .removeClass( 'slick-loading' )
1692                        .addClass( 'slick-lazyload-error' );
1693
1694                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);
1695
1696                    _.progressiveLazyLoad();
1697
1698                }
1699
1700            };
1701
1702            imageToLoad.src = imageSource;
1703
1704        } else {
1705
1706            _.$slider.trigger('allImagesLoaded', [ _ ]);
1707
1708        }
1709
1710    };
1711
1712    Slick.prototype.refresh = function( initializing ) {
1713
1714        var _ = this, currentSlide, lastVisibleIndex;
1715
1716        lastVisibleIndex = _.slideCount - _.options.slidesToShow;
1717
1718        // in non-infinite sliders, we don't want to go past the
1719        // last visible index.
1720        if( !_.options.infinite && ( _.currentSlide > lastVisibleIndex )) {
1721            _.currentSlide = lastVisibleIndex;
1722        }
1723
1724        // if less slides than to show, go to start.
1725        if ( _.slideCount <= _.options.slidesToShow ) {
1726            _.currentSlide = 0;
1727
1728        }
1729
1730        currentSlide = _.currentSlide;
1731
1732        _.destroy(true);
1733
1734        $.extend(_, _.initials, { currentSlide: currentSlide });
1735
1736        _.init();
1737
1738        if( !initializing ) {
1739
1740            _.changeSlide({
1741                data: {
1742                    message: 'index',
1743                    index: currentSlide
1744                }
1745            }, false);
1746
1747        }
1748
1749    };
1750
1751    Slick.prototype.registerBreakpoints = function() {
1752
1753        var _ = this, breakpoint, currentBreakpoint, l,
1754            responsiveSettings = _.options.responsive || null;
1755
1756        if ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) {
1757
1758            _.respondTo = _.options.respondTo || 'window';
1759
1760            for ( breakpoint in responsiveSettings ) {
1761
1762                l = _.breakpoints.length-1;
1763                currentBreakpoint = responsiveSettings[breakpoint].breakpoint;
1764
1765                if (responsiveSettings.hasOwnProperty(breakpoint)) {
vendor: 12,466 bytes, lines 1765-2198
1765
1766
1767                    // loop through the breakpoints and cut out any existing
1768                    // ones with the same breakpoint number, we don't want dupes.
1769                    while( l >= 0 ) {
1770                        if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) {
1771                            _.breakpoints.splice(l,1);
1772                        }
1773                        l--;
1774                    }
1775
1776                    _.breakpoints.push(currentBreakpoint);
1777                    _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;
1778
1779                }
1780
1781            }
1782
1783            _.breakpoints.sort(function(a, b) {
1784                return ( _.options.mobileFirst ) ? a-b : b-a;
1785            });
1786
1787        }
1788
1789    };
1790
1791    Slick.prototype.reinit = function() {
1792
1793        var _ = this;
1794
1795        _.$slides =
1796            _.$slideTrack
1797                .children(_.options.slide)
1798                .addClass('slick-slide');
1799
1800        _.slideCount = _.$slides.length;
1801
1802        if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) {
1803            _.currentSlide = _.currentSlide - _.options.slidesToScroll;
1804        }
1805
1806        if (_.slideCount <= _.options.slidesToShow) {
1807            _.currentSlide = 0;
1808        }
1809
1810        _.registerBreakpoints();
1811
1812        _.setProps();
1813        _.setupInfinite();
1814        _.buildArrows();
1815        _.updateArrows();
1816        _.initArrowEvents();
1817        _.buildDots();
1818        _.updateDots();
1819        _.initDotEvents();
1820        _.cleanUpSlideEvents();
1821        _.initSlideEvents();
1822
1823        _.checkResponsive(false, true);
1824
1825        if (_.options.focusOnSelect === true) {
1826            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
1827        }
1828
1829        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
1830
1831        _.setPosition();
1832        _.focusHandler();
1833
1834        _.paused = !_.options.autoplay;
1835        _.autoPlay();
1836
1837        _.$slider.trigger('reInit', [_]);
1838
1839    };
1840
1841    Slick.prototype.resize = function() {
1842
1843        var _ = this;
1844
1845        if ($(window).width() !== _.windowWidth) {
1846            clearTimeout(_.windowDelay);
1847            _.windowDelay = window.setTimeout(function() {
1848                _.windowWidth = $(window).width();
1849                _.checkResponsive();
1850                if( !_.unslicked ) { _.setPosition(); }
1851            }, 50);
1852        }
1853    };
1854
1855    Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) {
1856
1857        var _ = this;
1858
1859        if (typeof(index) === 'boolean') {
1860            removeBefore = index;
1861            index = removeBefore === true ? 0 : _.slideCount - 1;
1862        } else {
1863            index = removeBefore === true ? --index : index;
1864        }
1865
1866        if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) {
1867            return false;
1868        }
1869
1870        _.unload();
1871
1872        if (removeAll === true) {
1873            _.$slideTrack.children().remove();
1874        } else {
1875            _.$slideTrack.children(this.options.slide).eq(index).remove();
1876        }
1877
1878        _.$slides = _.$slideTrack.children(this.options.slide);
1879
1880        _.$slideTrack.children(this.options.slide).detach();
1881
1882        _.$slideTrack.append(_.$slides);
1883
1884        _.$slidesCache = _.$slides;
1885
1886        _.reinit();
1887
1888    };
1889
1890    Slick.prototype.setCSS = function(position) {
1891
1892        var _ = this,
1893            positionProps = {},
1894            x, y;
1895
1896        if (_.options.rtl === true) {
1897            position = -position;
1898        }
1899        x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px';
1900        y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px';
1901
1902        positionProps[_.positionProp] = position;
1903
1904        if (_.transformsEnabled === false) {
1905            _.$slideTrack.css(positionProps);
1906        } else {
1907            positionProps = {};
1908            if (_.cssTransitions === false) {
1909                positionProps[_.animType] = 'translate(' + x + ', ' + y + ')';
1910                _.$slideTrack.css(positionProps);
1911            } else {
1912                positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)';
1913                _.$slideTrack.css(positionProps);
1914            }
1915        }
1916
1917    };
1918
1919    Slick.prototype.setDimensions = function() {
1920
1921        var _ = this;
1922
1923        if (_.options.vertical === false) {
1924            if (_.options.centerMode === true) {
1925                _.$list.css({
1926                    padding: ('0px ' + _.options.centerPadding)
1927                });
1928            }
1929        } else {
1930            _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow);
1931            if (_.options.centerMode === true) {
1932                _.$list.css({
1933                    padding: (_.options.centerPadding + ' 0px')
1934                });
1935            }
1936        }
1937
1938        _.listWidth = _.$list.width();
1939        _.listHeight = _.$list.height();
1940
1941
1942        if (_.options.vertical === false && _.options.variableWidth === false) {
1943            _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow);
1944            _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length)));
1945
1946        } else if (_.options.variableWidth === true) {
1947            _.$slideTrack.width(5000 * _.slideCount);
1948        } else {
1949            _.slideWidth = Math.ceil(_.listWidth);
1950            _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length)));
1951        }
1952
1953        var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width();
1954        if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset);
1955
1956    };
1957
1958    Slick.prototype.setFade = function() {
1959
1960        var _ = this,
1961            targetLeft;
1962
1963        _.$slides.each(function(index, element) {
1964            targetLeft = (_.slideWidth * index) * -1;
1965            if (_.options.rtl === true) {
1966                $(element).css({
1967                    position: 'relative',
1968                    right: targetLeft,
1969                    top: 0,
1970                    zIndex: _.options.zIndex - 2,
1971                    opacity: 0
1972                });
1973            } else {
1974                $(element).css({
1975                    position: 'relative',
1976                    left: targetLeft,
1977                    top: 0,
1978                    zIndex: _.options.zIndex - 2,
1979                    opacity: 0
1980                });
1981            }
1982        });
1983
1984        _.$slides.eq(_.currentSlide).css({
1985            zIndex: _.options.zIndex - 1,
1986            opacity: 1
1987        });
1988
1989    };
1990
1991    Slick.prototype.setHeight = function() {
1992
1993        var _ = this;
1994
1995        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
1996            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
1997            _.$list.css('height', targetHeight);
1998        }
1999
2000    };
2001
2002    Slick.prototype.setOption =
2003    Slick.prototype.slickSetOption = function() {
2004
2005        /**
2006         * accepts arguments in format of:
2007         *
2008         *  - for changing a single option's value:
2009         *     .slick("setOption", option, value, refresh )
2010         *
2011         *  - for changing a set of responsive options:
2012         *     .slick("setOption", 'responsive', [{}, ...], refresh )
2013         *
2014         *  - for updating multiple values at once (not responsive)
2015         *     .slick("setOption", { 'option': value, ... }, refresh )
2016         */
2017
2018        var _ = this, l, item, option, value, refresh = false, type;
2019
2020        if( $.type( arguments[0] ) === 'object' ) {
2021
2022            option =  arguments[0];
2023            refresh = arguments[1];
2024            type = 'multiple';
2025
2026        } else if ( $.type( arguments[0] ) === 'string' ) {
2027
2028            option =  arguments[0];
2029            value = arguments[1];
2030            refresh = arguments[2];
2031
2032            if ( arguments[0] === 'responsive' && $.type( arguments[1] ) === 'array' ) {
2033
2034                type = 'responsive';
2035
2036            } else if ( typeof arguments[1] !== 'undefined' ) {
2037
2038                type = 'single';
2039
2040            }
2041
2042        }
2043
2044        if ( type === 'single' ) {
2045
2046            _.options[option] = value;
2047
2048
2049        } else if ( type === 'multiple' ) {
2050
2051            $.each( option , function( opt, val ) {
2052
2053                _.options[opt] = val;
2054
2055            });
2056
2057
2058        } else if ( type === 'responsive' ) {
2059
2060            for ( item in value ) {
2061
2062                if( $.type( _.options.responsive ) !== 'array' ) {
2063
2064                    _.options.responsive = [ value[item] ];
2065
2066                } else {
2067
2068                    l = _.options.responsive.length-1;
2069
2070                    // loop through the responsive object and splice out duplicates.
2071                    while( l >= 0 ) {
2072
2073                        if( _.options.responsive[l].breakpoint === value[item].breakpoint ) {
2074
2075                            _.options.responsive.splice(l,1);
2076
2077                        }
2078
2079                        l--;
2080
2081                    }
2082
2083                    _.options.responsive.push( value[item] );
2084
2085                }
2086
2087            }
2088
2089        }
2090
2091        if ( refresh ) {
2092
2093            _.unload();
2094            _.reinit();
2095
2096        }
2097
2098    };
2099
2100    Slick.prototype.setPosition = function() {
2101
2102        var _ = this;
2103
2104        _.setDimensions();
2105
2106        _.setHeight();
2107
2108        if (_.options.fade === false) {
2109            _.setCSS(_.getLeft(_.currentSlide));
2110        } else {
2111            _.setFade();
2112        }
2113
2114        _.$slider.trigger('setPosition', [_]);
2115
2116    };
2117
2118    Slick.prototype.setProps = function() {
2119
2120        var _ = this,
2121            bodyStyle = document.body.style;
2122
2123        _.positionProp = _.options.vertical === true ? 'top' : 'left';
2124
2125        if (_.positionProp === 'top') {
2126            _.$slider.addClass('slick-vertical');
2127        } else {
2128            _.$slider.removeClass('slick-vertical');
2129        }
2130
2131        if (bodyStyle.WebkitTransition !== undefined ||
2132            bodyStyle.MozTransition !== undefined ||
2133            bodyStyle.msTransition !== undefined) {
2134            if (_.options.useCSS === true) {
2135                _.cssTransitions = true;
2136            }
2137        }
2138
2139        if ( _.options.fade ) {
2140            if ( typeof _.options.zIndex === 'number' ) {
2141                if( _.options.zIndex < 3 ) {
2142                    _.options.zIndex = 3;
2143                }
2144            } else {
2145                _.options.zIndex = _.defaults.zIndex;
2146            }
2147        }
2148
2149        if (bodyStyle.OTransform !== undefined) {
2150            _.animType = 'OTransform';
2151            _.transformType = '-o-transform';
2152            _.transitionType = 'OTransition';
2153            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
2154        }
2155        if (bodyStyle.MozTransform !== undefined) {
2156            _.animType = 'MozTransform';
2157            _.transformType = '-moz-transform';
2158            _.transitionType = 'MozTransition';
2159            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false;
2160        }
2161        if (bodyStyle.webkitTransform !== undefined) {
2162            _.animType = 'webkitTransform';
2163            _.transformType = '-webkit-transform';
2164            _.transitionType = 'webkitTransition';
2165            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
2166        }
2167        if (bodyStyle.msTransform !== undefined) {
2168            _.animType = 'msTransform';
2169            _.transformType = '-ms-transform';
2170            _.transitionType = 'msTransition';
2171            if (bodyStyle.msTransform === undefined) _.animType = false;
2172        }
2173        if (bodyStyle.transform !== undefined && _.animType !== false) {
2174            _.animType = 'transform';
2175            _.transformType = 'transform';
2176            _.transitionType = 'transition';
2177        }
2178        _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false);
2179    };
2180
2181
2182    Slick.prototype.setSlideClasses = function(index) {
2183
2184        var _ = this,
2185            centerOffset, allSlides, indexOffset, remainder;
2186
2187        allSlides = _.$slider
2188            .find('.slick-slide')
2189            .removeClass('slick-active slick-center slick-current')
2190            .attr('aria-hidden', 'true');
2191
2192        _.$slides
2193            .eq(index)
2194            .addClass('slick-current');
2195
2196        if (_.options.centerMode === true) {
2197
2198            
vendor: 19,730 bytes, lines 2198-2898
2198centerOffset = Math.floor(_.options.slidesToShow / 2);
2199
2200            if (_.options.infinite === true) {
2201
2202                if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) {
2203
2204                    _.$slides
2205                        .slice(index - centerOffset, index + centerOffset + 1)
2206                        .addClass('slick-active')
2207                        .attr('aria-hidden', 'false');
2208
2209                } else {
2210
2211                    indexOffset = _.options.slidesToShow + index;
2212                    allSlides
2213                        .slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2)
2214                        .addClass('slick-active')
2215                        .attr('aria-hidden', 'false');
2216
2217                }
2218
2219                if (index === 0) {
2220
2221                    allSlides
2222                        .eq(allSlides.length - 1 - _.options.slidesToShow)
2223                        .addClass('slick-center');
2224
2225                } else if (index === _.slideCount - 1) {
2226
2227                    allSlides
2228                        .eq(_.options.slidesToShow)
2229                        .addClass('slick-center');
2230
2231                }
2232
2233            }
2234
2235            _.$slides
2236                .eq(index)
2237                .addClass('slick-center');
2238
2239        } else {
2240
2241            if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {
2242
2243                _.$slides
2244                    .slice(index, index + _.options.slidesToShow)
2245                    .addClass('slick-active')
2246                    .attr('aria-hidden', 'false');
2247
2248            } else if (allSlides.length <= _.options.slidesToShow) {
2249
2250                allSlides
2251                    .addClass('slick-active')
2252                    .attr('aria-hidden', 'false');
2253
2254            } else {
2255
2256                remainder = _.slideCount % _.options.slidesToShow;
2257                indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;
2258
2259                if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) {
2260
2261                    allSlides
2262                        .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder)
2263                        .addClass('slick-active')
2264                        .attr('aria-hidden', 'false');
2265
2266                } else {
2267
2268                    allSlides
2269                        .slice(indexOffset, indexOffset + _.options.slidesToShow)
2270                        .addClass('slick-active')
2271                        .attr('aria-hidden', 'false');
2272
2273                }
2274
2275            }
2276
2277        }
2278
2279        if (_.options.lazyLoad === 'ondemand') {
2280            _.lazyLoad();
2281        }
2282
2283    };
2284
2285    Slick.prototype.setupInfinite = function() {
2286
2287        var _ = this,
2288            i, slideIndex, infiniteCount;
2289
2290        if (_.options.fade === true) {
2291            _.options.centerMode = false;
2292        }
2293
2294        if (_.options.infinite === true && _.options.fade === false) {
2295
2296            slideIndex = null;
2297
2298            if (_.slideCount > _.options.slidesToShow) {
2299
2300                if (_.options.centerMode === true) {
2301                    infiniteCount = _.options.slidesToShow + 1;
2302                } else {
2303                    infiniteCount = _.options.slidesToShow;
2304                }
2305
2306                for (i = _.slideCount; i > (_.slideCount -
2307                        infiniteCount); i -= 1) {
2308                    slideIndex = i - 1;
2309                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
2310                        .attr('data-slick-index', slideIndex - _.slideCount)
2311                        .prependTo(_.$slideTrack).addClass('slick-cloned');
2312                }
2313                for (i = 0; i < infiniteCount; i += 1) {
2314                    slideIndex = i;
2315                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
2316                        .attr('data-slick-index', slideIndex + _.slideCount)
2317                        .appendTo(_.$slideTrack).addClass('slick-cloned');
2318                }
2319                _.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
2320                    $(this).attr('id', '');
2321                });
2322
2323            }
2324
2325        }
2326
2327    };
2328
2329    Slick.prototype.interrupt = function( toggle ) {
2330
2331        var _ = this;
2332
2333        if( !toggle ) {
2334            _.autoPlay();
2335        }
2336        _.interrupted = toggle;
2337
2338    };
2339
2340    Slick.prototype.selectHandler = function(event) {
2341
2342        var _ = this;
2343
2344        var targetElement =
2345            $(event.target).is('.slick-slide') ?
2346                $(event.target) :
2347                $(event.target).parents('.slick-slide');
2348
2349        var index = parseInt(targetElement.attr('data-slick-index'));
2350
2351        if (!index) index = 0;
2352
2353        if (_.slideCount <= _.options.slidesToShow) {
2354
2355            _.setSlideClasses(index);
2356            _.asNavFor(index);
2357            return;
2358
2359        }
2360
2361        _.slideHandler(index);
2362
2363    };
2364
2365    Slick.prototype.slideHandler = function(index, sync, dontAnimate) {
2366
2367        var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null,
2368            _ = this, navTarget;
2369
2370        sync = sync || false;
2371
2372        if (_.animating === true && _.options.waitForAnimate === true) {
2373            return;
2374        }
2375
2376        if (_.options.fade === true && _.currentSlide === index) {
2377            return;
2378        }
2379
2380        if (_.slideCount <= _.options.slidesToShow) {
2381            return;
2382        }
2383
2384        if (sync === false) {
2385            _.asNavFor(index);
2386        }
2387
2388        targetSlide = index;
2389        targetLeft = _.getLeft(targetSlide);
2390        slideLeft = _.getLeft(_.currentSlide);
2391
2392        _.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;
2393
2394        if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) {
2395            if (_.options.fade === false) {
2396                targetSlide = _.currentSlide;
2397                if (dontAnimate !== true) {
2398                    _.animateSlide(slideLeft, function() {
2399                        _.postSlide(targetSlide);
2400                    });
2401                } else {
2402                    _.postSlide(targetSlide);
2403                }
2404            }
2405            return;
2406        } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
2407            if (_.options.fade === false) {
2408                targetSlide = _.currentSlide;
2409                if (dontAnimate !== true) {
2410                    _.animateSlide(slideLeft, function() {
2411                        _.postSlide(targetSlide);
2412                    });
2413                } else {
2414                    _.postSlide(targetSlide);
2415                }
2416            }
2417            return;
2418        }
2419
2420        if ( _.options.autoplay ) {
2421            clearInterval(_.autoPlayTimer);
2422        }
2423
2424        if (targetSlide < 0) {
2425            if (_.slideCount % _.options.slidesToScroll !== 0) {
2426                animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
2427            } else {
2428                animSlide = _.slideCount + targetSlide;
2429            }
2430        } else if (targetSlide >= _.slideCount) {
2431            if (_.slideCount % _.options.slidesToScroll !== 0) {
2432                animSlide = 0;
2433            } else {
2434                animSlide = targetSlide - _.slideCount;
2435            }
2436        } else {
2437            animSlide = targetSlide;
2438        }
2439
2440        _.animating = true;
2441
2442        _.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]);
2443
2444        oldSlide = _.currentSlide;
2445        _.currentSlide = animSlide;
2446
2447        _.setSlideClasses(_.currentSlide);
2448
2449        if ( _.options.asNavFor ) {
2450
2451            navTarget = _.getNavTarget();
2452            navTarget = navTarget.slick('getSlick');
2453
2454            if ( navTarget.slideCount <= navTarget.options.slidesToShow ) {
2455                navTarget.setSlideClasses(_.currentSlide);
2456            }
2457
2458        }
2459
2460        _.updateDots();
2461        _.updateArrows();
2462
2463        if (_.options.fade === true) {
2464            if (dontAnimate !== true) {
2465
2466                _.fadeSlideOut(oldSlide);
2467
2468                _.fadeSlide(animSlide, function() {
2469                    _.postSlide(animSlide);
2470                });
2471
2472            } else {
2473                _.postSlide(animSlide);
2474            }
2475            _.animateHeight();
2476            return;
2477        }
2478
2479        if (dontAnimate !== true) {
2480            _.animateSlide(targetLeft, function() {
2481                _.postSlide(animSlide);
2482            });
2483        } else {
2484            _.postSlide(animSlide);
2485        }
2486
2487    };
2488
2489    Slick.prototype.startLoad = function() {
2490
2491        var _ = this;
2492
2493        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
2494
2495            _.$prevArrow.hide();
2496            _.$nextArrow.hide();
2497
2498        }
2499
2500        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
2501
2502            _.$dots.hide();
2503
2504        }
2505
2506        _.$slider.addClass('slick-loading');
2507
2508    };
2509
2510    Slick.prototype.swipeDirection = function() {
2511
2512        var xDist, yDist, r, swipeAngle, _ = this;
2513
2514        xDist = _.touchObject.startX - _.touchObject.curX;
2515        yDist = _.touchObject.startY - _.touchObject.curY;
2516        r = Math.atan2(yDist, xDist);
2517
2518        swipeAngle = Math.round(r * 180 / Math.PI);
2519        if (swipeAngle < 0) {
2520            swipeAngle = 360 - Math.abs(swipeAngle);
2521        }
2522
2523        if ((swipeAngle <= 45) && (swipeAngle >= 0)) {
2524            return (_.options.rtl === false ? 'left' : 'right');
2525        }
2526        if ((swipeAngle <= 360) && (swipeAngle >= 315)) {
2527            return (_.options.rtl === false ? 'left' : 'right');
2528        }
2529        if ((swipeAngle >= 135) && (swipeAngle <= 225)) {
2530            return (_.options.rtl === false ? 'right' : 'left');
2531        }
2532        if (_.options.verticalSwiping === true) {
2533            if ((swipeAngle >= 35) && (swipeAngle <= 135)) {
2534                return 'down';
2535            } else {
2536                return 'up';
2537            }
2538        }
2539
2540        return 'vertical';
2541
2542    };
2543
2544    Slick.prototype.swipeEnd = function(event) {
2545
2546        var _ = this,
2547            slideCount,
2548            direction;
2549
2550        _.dragging = false;
2551        _.interrupted = false;
2552        _.shouldClick = ( _.touchObject.swipeLength > 10 ) ? false : true;
2553
2554        if ( _.touchObject.curX === undefined ) {
2555            return false;
2556        }
2557
2558        if ( _.touchObject.edgeHit === true ) {
2559            _.$slider.trigger('edge', [_, _.swipeDirection() ]);
2560        }
2561
2562        if ( _.touchObject.swipeLength >= _.touchObject.minSwipe ) {
2563
2564            direction = _.swipeDirection();
2565
2566            switch ( direction ) {
2567
2568                case 'left':
2569                case 'down':
2570
2571                    slideCount =
2572                        _.options.swipeToSlide ?
2573                            _.checkNavigable( _.currentSlide + _.getSlideCount() ) :
2574                            _.currentSlide + _.getSlideCount();
2575
2576                    _.currentDirection = 0;
2577
2578                    break;
2579
2580                case 'right':
2581                case 'up':
2582
2583                    slideCount =
2584                        _.options.swipeToSlide ?
2585                            _.checkNavigable( _.currentSlide - _.getSlideCount() ) :
2586                            _.currentSlide - _.getSlideCount();
2587
2588                    _.currentDirection = 1;
2589
2590                    break;
2591
2592                default:
2593
2594
2595            }
2596
2597            if( direction != 'vertical' ) {
2598
2599                _.slideHandler( slideCount );
2600                _.touchObject = {};
2601                _.$slider.trigger('swipe', [_, direction ]);
2602
2603            }
2604
2605        } else {
2606
2607            if ( _.touchObject.startX !== _.touchObject.curX ) {
2608
2609                _.slideHandler( _.currentSlide );
2610                _.touchObject = {};
2611
2612            }
2613
2614        }
2615
2616    };
2617
2618    Slick.prototype.swipeHandler = function(event) {
2619
2620        var _ = this;
2621
2622        if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) {
2623            return;
2624        } else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) {
2625            return;
2626        }
2627
2628        _.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ?
2629            event.originalEvent.touches.length : 1;
2630
2631        _.touchObject.minSwipe = _.listWidth / _.options
2632            .touchThreshold;
2633
2634        if (_.options.verticalSwiping === true) {
2635            _.touchObject.minSwipe = _.listHeight / _.options
2636                .touchThreshold;
2637        }
2638
2639        switch (event.data.action) {
2640
2641            case 'start':
2642                _.swipeStart(event);
2643                break;
2644
2645            case 'move':
2646                _.swipeMove(event);
2647                break;
2648
2649            case 'end':
2650                _.swipeEnd(event);
2651                break;
2652
2653        }
2654
2655    };
2656
2657    Slick.prototype.swipeMove = function(event) {
2658
2659        var _ = this,
2660            edgeWasHit = false,
2661            curLeft, swipeDirection, swipeLength, positionOffset, touches;
2662
2663        touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;
2664
2665        if (!_.dragging || touches && touches.length !== 1) {
2666            return false;
2667        }
2668
2669        curLeft = _.getLeft(_.currentSlide);
2670
2671        _.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX;
2672        _.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY;
2673
2674        _.touchObject.swipeLength = Math.round(Math.sqrt(
2675            Math.pow(_.touchObject.curX - _.touchObject.startX, 2)));
2676
2677        if (_.options.verticalSwiping === true) {
2678            _.touchObject.swipeLength = Math.round(Math.sqrt(
2679                Math.pow(_.touchObject.curY - _.touchObject.startY, 2)));
2680        }
2681
2682        swipeDirection = _.swipeDirection();
2683
2684        if (swipeDirection === 'vertical') {
2685            return;
2686        }
2687
2688        if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) {
2689            event.preventDefault();
2690        }
2691
2692        positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1);
2693        if (_.options.verticalSwiping === true) {
2694            positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1;
2695        }
2696
2697
2698        swipeLength = _.touchObject.swipeLength;
2699
2700        _.touchObject.edgeHit = false;
2701
2702        if (_.options.infinite === false) {
2703            if ((_.currentSlide === 0 && swipeDirection === 'right') || (_.currentSlide >= _.getDotCount() && swipeDirection === 'left')) {
2704                swipeLength = _.touchObject.swipeLength * _.options.edgeFriction;
2705                _.touchObject.edgeHit = true;
2706            }
2707        }
2708
2709        if (_.options.vertical === false) {
2710            _.swipeLeft = curLeft + swipeLength * positionOffset;
2711        } else {
2712            _.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset;
2713        }
2714        if (_.options.verticalSwiping === true) {
2715            _.swipeLeft = curLeft + swipeLength * positionOffset;
2716        }
2717
2718        if (_.options.fade === true || _.options.touchMove === false) {
2719            return false;
2720        }
2721
2722        if (_.animating === true) {
2723            _.swipeLeft = null;
2724            return false;
2725        }
2726
2727        _.setCSS(_.swipeLeft);
2728
2729    };
2730
2731    Slick.prototype.swipeStart = function(event) {
2732
2733        var _ = this,
2734            touches;
2735
2736        _.interrupted = true;
2737
2738        if (_.touchObject.fingerCount !== 1 || _.slideCount <= _.options.slidesToShow) {
2739            _.touchObject = {};
2740            return false;
2741        }
2742
2743        if (event.originalEvent !== undefined && event.originalEvent.touches !== undefined) {
2744            touches = event.originalEvent.touches[0];
2745        }
2746
2747        _.touchObject.startX = _.touchObject.curX = touches !== undefined ? touches.pageX : event.clientX;
2748        _.touchObject.startY = _.touchObject.curY = touches !== undefined ? touches.pageY : event.clientY;
2749
2750        _.dragging = true;
2751
2752    };
2753
2754    Slick.prototype.unfilterSlides = Slick.prototype.slickUnfilter = function() {
2755
2756        var _ = this;
2757
2758        if (_.$slidesCache !== null) {
2759
2760            _.unload();
2761
2762            _.$slideTrack.children(this.options.slide).detach();
2763
2764            _.$slidesCache.appendTo(_.$slideTrack);
2765
2766            _.reinit();
2767
2768        }
2769
2770    };
2771
2772    Slick.prototype.unload = function() {
2773
2774        var _ = this;
2775
2776        $('.slick-cloned', _.$slider).remove();
2777
2778        if (_.$dots) {
2779            _.$dots.remove();
2780        }
2781
2782        if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) {
2783            _.$prevArrow.remove();
2784        }
2785
2786        if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) {
2787            _.$nextArrow.remove();
2788        }
2789
2790        _.$slides
2791            .removeClass('slick-slide slick-active slick-visible slick-current')
2792            .attr('aria-hidden', 'true')
2793            .css('width', '');
2794
2795    };
2796
2797    Slick.prototype.unslick = function(fromBreakpoint) {
2798
2799        var _ = this;
2800        _.$slider.trigger('unslick', [_, fromBreakpoint]);
2801        _.destroy();
2802
2803    };
2804
2805    Slick.prototype.updateArrows = function() {
2806
2807        var _ = this,
2808            centerOffset;
2809
2810        centerOffset = Math.floor(_.options.slidesToShow / 2);
2811
2812        if ( _.options.arrows === true &&
2813            _.slideCount > _.options.slidesToShow &&
2814            !_.options.infinite ) {
2815
2816            _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2817            _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2818
2819            if (_.currentSlide === 0) {
2820
2821                _.$prevArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2822                _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2823
2824            } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) {
2825
2826                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2827                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2828
2829            } else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) {
2830
2831                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
2832                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
2833
2834            }
2835
2836        }
2837
2838    };
2839
2840    Slick.prototype.updateDots = function() {
2841
2842        var _ = this;
2843
2844        if (_.$dots !== null) {
2845
2846            _.$dots
2847                .find('li')
2848                .removeClass('slick-active')
2849                .attr('aria-hidden', 'true');
2850
2851            _.$dots
2852                .find('li')
2853                .eq(Math.floor(_.currentSlide / _.options.slidesToScroll))
2854                .addClass('slick-active')
2855                .attr('aria-hidden', 'false');
2856
2857        }
2858
2859    };
2860
2861    Slick.prototype.visibility = function() {
2862
2863        var _ = this;
2864
2865        if ( _.options.autoplay ) {
2866
2867            if ( document[_.hidden] ) {
2868
2869                _.interrupted = true;
2870
2871            } else {
2872
2873                _.interrupted = false;
2874
2875            }
2876
2877        }
2878
2879    };
2880
2881    $.fn.slick = function() {
2882        var _ = this,
2883            opt = arguments[0],
2884            args = Array.prototype.slice.call(arguments, 1),
2885            l = _.length,
2886            i,
2887            ret;
2888        for (i = 0; i < l; i++) {
2889            if (typeof opt == 'object' || typeof opt == 'undefined')
2890                _[i].slick = new Slick(_[i], opt);
2891            else
2892                ret = _[i].slick[opt].apply(_[i].slick, args);
2893            if (typeof ret != 'undefined') return ret;
2894        }
2895        return _;
2896    };
2897
2898}));

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