fix(linter): merge sort JavaScript (#272)

algorithms/JavaScript/src/sorting/merge-sort.js

@@ -1,32 +1,28 @@
 function merge(left, right) {
-    let arr = []
+  const arr = [];
   // Break out of loop if any one of the array gets empty
   while (left.length && right.length) {
     // Pick the smaller among the smallest element of left and right sub arrays
     if (left[0] < right[0]) {
-            arr.push(left.shift())  
+      arr.push(left.shift());
     } else {
-            arr.push(right.shift()) 
+      arr.push(right.shift());
     }
   }
 
   // Concatenating the leftover elements
   // (in case we didn't go through the entire left or right array)
-    return [ ...arr, ...left, ...right ]
+  return [...arr, ...left, ...right];
 }
-
 function mergeSort(array) {
-  const half = array.length / 2
+  const half = array.length / 2;
 
   // Base case or terminating case
-  if(array.length < 2){
-    return array 
+  if (array.length < 2) {
+    return array;
   }
-  
-  const left = array.splice(0, half)
-  return merge(mergeSort(left),mergeSort(array))
+  const left = array.splice(0, half);
+  return merge(mergeSort(left), mergeSort(array));
 }
-
-//testing
-array = [4, 8, 7, 2, 11, 1, 3];
-console.log(mergeSort(array));
+// testing
+console.log(mergeSort([4, 8, 7, 2, 11, 1, 3]));