DOM 이동 구현 , prev, next

[easylogic]

현재 선택된 dom 의 부모를 기준으로 형제(sibling) Node 전후로 갈 수 있도록 구현

prev

as-is

    const currentImage = e.$dt.closest('image-item');
    const $parent = currentImage.parent(); 

    $parent.el.insertBefore(currentImage.el, currentImage.el.previousSibling)

to-be

$currentImage.movePrev(); 

next

as-is

    const currentImage = e.$dt.closest('image-item');
    const $parent = currentImage.parent(); 

    const next = currentImage.el.nextSibling

    $parent.el.insertBefore(currentImage.el, next ? next.nextSibling : null)

to-be

$currentImage.moveNext();