Function getParentOrHost

modular/sortable.complete.esm.js:155–157

(el)

  return false;
}
function getParentOrHost(el) {
  return el.host && el !== document && el.host.nodeType && el.host !== el ? el.host : el.parentNode;
}
function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
  if (el) {
    ctx = ctx || document;