Function _getInsertDirection

modular/sortable.core.esm.js:2304–2310

* Gets the direction dragEl must be swapped relative to target in order to make it * seem that dragEl has been "inserted" into that element's position * @param {HTMLElement} target The target whose position dragEl is being inserted at * @return {Number} Direction dragEl m

(target)

 * @return {Number}                   Direction dragEl must be swapped
 */
function _getInsertDirection(target) {
  if (index(dragEl) < index(target)) {
    return 1;
  } else {
    return -1;
  }
}

/**
 * Generate id