Function indexOfObject

modular/sortable.complete.esm.js:429–437

* Returns the index of the object within the given array * @param {Array} arr Array that may or may not hold the object * @param {Object} obj An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find * @return {Number} The index of th

(arr, obj)

 * @return {Number}      The index of the object in the array, or -1
 */
function indexOfObject(arr, obj) {
  for (var i in arr) {
    if (!arr.hasOwnProperty(i)) continue;
    for (var key in obj) {
      if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
    }
  }
  return -1;
}
function getParentAutoScrollElement(el, includeSelf) {
  // skip to window
  if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();