Function arrMove

client/components/EasyDragSort/EasyDragSort.js:112–117

(arr, fromIndex, toIndex)

}

function arrMove(arr, fromIndex, toIndex) {
  arr = [].concat(arr);
  let item = arr.splice(fromIndex, 1)[0];
  arr.splice(toIndex, 0, item);
  return arr;
}