NodeJS QuickSort Descending

Nodejs-quicksort-descending

var existingOrder = [{
    CreatedDate: "2021-07-12T03:49:57.000Z"
  },
  {
    CreatedDate: "2021-07-13T09:25:23.000Z"
  },
  {
    CreatedDate: "2021-07-18T04:52:41.000Z"
  },
  {
    CreatedDate: "2021-07-14T05:27:32.000Z"
  },
  {
    CreatedDate: "2021-07-10T08:18:57.000Z"
  },
  {
    CreatedDate: "2021-07-14T08:19:42.000Z"
  },
  {
    CreatedDate: "2021-07-16T08:37:15.000Z"
  },
]

/**
 * Quicksort Algorithm to sort array in descending order. This was created 
 * because sort() is not stable in NodeJS v12 and returns inconsistant results.
 * 
 * @param {*} array 
 * @returns DESC sorted array
 */
function quickSortDesc(array) {
  if (array.length < 2) {
    return array;
  }

  const pivotItem = array[0];
  let lesserArray = [];
  let greaterArray = [];

  for (let i = 1; i < array.length; i++) {
    if (array[i].CreatedDate < pivotItem.CreatedDate) {
      greaterArray.push(array[i]);
    } else {
      lesserArray.push(array[i]);
    }
  }

  return quickSortDesc(lesserArray).concat(pivotItem, quickSortDesc(greaterArray));
}
console.log(quickSortDesc(existingOrder));


Expected Output:
[{
  CreatedDate: "2021-07-18T04:52:41.000Z"
}, {
  CreatedDate: "2021-07-16T08:37:15.000Z"
}, {
  CreatedDate: "2021-07-14T08:19:42.000Z"
}, {
  CreatedDate: "2021-07-14T05:27:32.000Z"
}, {
  CreatedDate: "2021-07-13T09:25:23.000Z"
}, {
  CreatedDate: "2021-07-12T03:49:57.000Z"
}, {
  CreatedDate: "2021-07-10T08:18:57.000Z"
}]