execution of sorting algorithms is printed with dashed separators

Author: paolocarrasco

algorithms/hanoi-towers.js

@@ -1,6 +1,8 @@
 export default class Hanoi {
 
   constructor(discs) {
+    console.log('Running Hanoi Towers');
+
     this.towerA = discs;
     this.towerB = [];
     this.towerC = [];

sorting/index.js

@@ -4,20 +4,18 @@ import SelectionSort from './selection-sort';
 import MergeSort from './merge-sort';
 
 const theArray = [72, 14, 34, 5, 24, 14, 53, 61, 38, 110, 39];
-let sortedArray;
 
-console.log(`original array: ${theArray}`);
-sortedArray = new BubbleSort().sort(theArray);
-console.log(`sorted array: ${sortedArray}`);
+const sortingAlgorithms = [
+  BubbleSort,
+  InsertionSort,
+  SelectionSort,
+  MergeSort
+];
 
-console.log(`original array: ${theArray}`);
-sortedArray = new InsertionSort().sort(theArray);
-console.log(`sorted array: ${sortedArray}`);
-
-console.log(`original array: ${theArray}`);
-sortedArray = new SelectionSort().sort(theArray);
-console.log(`sorted array: ${sortedArray}`);
-
-console.log(`original array: ${theArray}`);
-sortedArray = new MergeSort().sort(theArray);
-console.log(`sorted array: ${sortedArray}`);
+sortingAlgorithms.forEach(algorithm => {
+  console.log('-----------------------------------------');
+  console.log(`original array: ${theArray}`);
+  let sortedArray = new algorithm().sort(theArray);
+  console.log(`sorted array: ${sortedArray}`);
+  console.log('-----------------------------------------');
+});