Function lastChild

modular/sortable.complete.esm.js:371–377

* Gets the last child in the el, ignoring ghostEl or invisible elements (clones) * @param {HTMLElement} el Parent element * @param {selector} selector Any other elements that should be ignored * @return {HTMLElement} The last child, ignoring ghostEl

(el, selector)

 * @return {HTMLElement}          The last child, ignoring ghostEl
 */
function lastChild(el, selector) {
  var last = el.lastElementChild;
  while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
    last = last.previousElementSibling;
  }
  return last || null;
}

/**
 * Returns the index of an element within its parent for a selected set of