var slider = $(".intro__slider").slick({ ... })
slider.slickSetOption("autoplay",false,false)
либо
event.preventDefault() в .on('beforechange') ...
$('.your-element').on('beforeChange', function(event, slick, currentSlide, nextSlide){
slickGoTo(nextSlide)
});
$(".your-elementt").on('beforeChange', function (event, slick, currentSlide, nextSlide) {
if (Math.abs(nextSlide - currentSlide) == 1) {
direction = (nextSlide - currentSlide > 0) ? "right" : "left";
}
else {
direction = (nextSlide - currentSlide > 0) ? "left" : "right";
}
});
$('.your-element').on('beforeChange', function(event, slick, currentSlide, nextSlide){
var direction = (currentSlide < nextSlide) ? slickNext : slickPrev
});
$('.your-element').on('swipe', function(event, slick, direction){
console.log(direction);
if direction === 'left' ? slickPrev : slickNext
});