Function _ghostIsFirst

src/Sortable.js:1812–1820

(evt, vertical, sortable)

}

function _ghostIsFirst(evt, vertical, sortable) {
	let firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
	const childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
	const spacer = 10;

	return vertical ?
		(evt.clientX < childContainingRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right) :
		(evt.clientY < childContainingRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left)
}

function _ghostIsLast(evt, vertical, sortable) {
	const lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));