[REFACTOR] [Hacker Rank] Interview Preparation Kit: Sorting: Comparator.

* Adjusted the interface to match what hackerrank expects.

Author: sir-gon

src/hackerrank/interview_preparation_kit/sort/ctci_comparator_sorting.Player.ts

@@ -1,4 +1,4 @@
-export class Player {
+class Player {
   name = '';
 
   score = 0;
@@ -14,3 +14,4 @@ export class Player {
 }
 
 export default { Player };
+export { Player };

src/hackerrank/interview_preparation_kit/sort/ctci_comparator_sorting.ts

@@ -4,7 +4,7 @@
 
 import { Player } from './ctci_comparator_sorting.Player';
 
-export class SortablePlayer extends Player {
+class SortablePlayer extends Player {
   name = '';
 
   score = 0;
@@ -34,16 +34,23 @@ export class SortablePlayer extends Player {
   }
 }
 
-export function comparatorSorting(players: SortablePlayer[]): string[] {
+function comparatorSorting(players: SortablePlayer[]): string[] {
   const sortedPlayers = [...players].sort(
     (a: SortablePlayer, b: SortablePlayer): number => a.comparator(b)
   );
 
   return sortedPlayers.map((player: SortablePlayer) => player.toString());
 }
 
-export function comparatorSortingPrint(players: SortablePlayer[]): void {
+function comparatorSortingPrint(players: SortablePlayer[]): void {
   console.log(comparatorSorting(players)?.join('\n'));
 }
 
-export default { Player, SortablePlayer, comparatorSorting };
+export default {
+  Player,
+  SortablePlayer,
+  comparatorSorting,
+  comparatorSortingPrint
+};
+
+export { Player, SortablePlayer, comparatorSorting, comparatorSortingPrint };