Вызов нескольких slick слайдеров при клике на превью

slick-popup.js

let documentsSlider = document.querySelectorAll('.documents-slider');
let documentsPrevItem = document.querySelectorAll('.documents-prev__item');
let close = document.querySelectorAll('.close');
let jsSl = document.querySelectorAll('.js-sl');
var sliderRefresh = false;		

jQuery(document).ready(function() {
		$(documentsSlider).hide();
    $(documentsPrevItem).on('click', function() {
        $(this).children(documentsSlider).css("display", "flex");
        $('body').css("overflow", "hidden");
        $(this).find(jsSl).each(function() {
						let showSlides = 3;
						let countSlides = $(this).find('.sl__slide').length;
						if (countSlides < showSlides) {
							showSlides = 1;
						}
						// if (showSlides = 1) {
						// 	$(this).closest('.documents-slider__content').each(function(item) {
						// 		$(this).css("width", "60%");
						// 	});
						// 	$(this).find('.sl__img>img').each(function() {
						// 		$(this).css({"width": "100%", "max-width": ""});
						// 	});
						// }
            $(this).not('.slick-initialized').slick({
                centerMode: true,
                centerPadding: "0px",
                dots: true,
                dotsClass: 'documents-slider__dots',
                focusOnSelect: true,
                slidesToShow: showSlides,
								slidesToScroll: 1,
								// cssEase: 'ease-out',
                // variableWidth: true,
                prevArrow: $(this).parent('.documents-slider__content').find('.slider-nav--prev'),
								nextArrow: $(this).parent('.documents-slider__content').find('.slider-nav--next'),
								responsive: [
									{
											breakpoint: 769,
											settings: {
													slidesToShow: 1
											}
									},
							]
						});
						
						// refresh slider
						if(!sliderRefresh) {
							$(this).slick('refresh');
							sliderRefresh = true;
						};

				});
        $('body').on('click', '.close', function() {
            $('body').css("overflow", "");
						$(documentsSlider).hide();
						sliderRefresh = false;
        });
    });
});