slick slider direction event, slick, currentSlide, nextSlide previousSlide
// On swipe event
$('.your-element').on('swipe', function(event, slick, direction){
console.log(direction);
// left
});
// On edge hit
$('.your-element').on('edge', function(event, slick, direction){
console.log('edge was hit')
});
// On before slide change
$('.your-element').on('beforeChange', function(event, slick, currentSlide, nextSlide){
console.log(nextSlide);
});