in assets/js/slick.js [505:553]
Slick.prototype.buildOut = function() {
var _ = this;
_.$slides =
_.$slider
.children( _.options.slide + ':not(.slick-cloned)')
.addClass('slick-slide');
_.slideCount = _.$slides.length;
_.$slides.each(function(index, element) {
$(element)
.attr('data-slick-index', index)
.data('originalStyling', $(element).attr('style') || '');
});
_.$slider.addClass('slick-slider');
_.$slideTrack = (_.slideCount === 0) ?
$('<div class="slick-track"/>').appendTo(_.$slider) :
_.$slides.wrapAll('<div class="slick-track"/>').parent();
_.$list = _.$slideTrack.wrap(
'<div class="slick-list"/>').parent();
_.$slideTrack.css('opacity', 0);
if (_.options.centerMode === true || _.options.swipeToSlide === true) {
_.options.slidesToScroll = 1;
}
$('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');
_.setupInfinite();
_.buildArrows();
_.buildDots();
_.updateDots();
_.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);
if (_.options.draggable === true) {
_.$list.addClass('draggable');
}
};