export function isPrev(current, index, list) { return (current - 1 + list.length) % list.length === index; } export function isNext(current, index, list) { return (current + 1 + list.length) % list.length === index; } export function getImageClass( prefix, current, index, list, tClassImage, tClassPrevImage, tClassNextImage, ) { const arr = [`${prefix}-swiper__image-host`, `${prefix}-swiper__image`, tClassImage]; if (isPrev(current, index, list)) { arr.push(tClassPrevImage); } if (isNext(current, index, list)) { arr.push(tClassNextImage); } return arr.join(' '); }