[fix] Style changes

Author: mrmagic2020

Maths/ParityOutlier.js

@@ -8,22 +8,22 @@
  */
 const parityOutlier = (integers) => {
   // define new containers
-  let odds = []; //store odd number(s)
-  let evens = []; // store even number(s)
+  const odds = [] // store odd number(s)
+  const evens = [] // store even number(s)
 
   for (let i = 0; i < integers.length; i++) {
     if (!Number.isInteger(integers[i])) { // detect non-integer elements
-      return null;
+      return null
     } else if (integers[i] % 2 === 0) { // an even number
-      evens.push(integers[i]);
+      evens.push(integers[i])
     } else { // an odd number
-      odds.push(integers[i]);
+      odds.push(integers[i])
     }
   }
 
-  if (odds.length === 0 || evens.length === 0) return null;
+  if (odds.length === 0 || evens.length === 0) return null
 
-  return odds.length === 1 ? odds[0] : evens[0];
+  return odds.length === 1 ? odds[0] : evens[0]
 }
 
-export { parityOutlier };
+export { parityOutlier }

Maths/test/ParityOutlier.test.js

@@ -1,30 +1,29 @@
-import { parityOutlier } from "../ParityOutlier";
+import { parityOutlier } from '../ParityOutlier'
 
 describe('Testing parityOutlier function', () => {
-
   it('should return the odd number in an array of even numbers', () => {
-    expect(parityOutlier([1, 2, 16, -8848, 5126])).toBe(1);
-  });
+    expect(parityOutlier([1, 2, 16, -8848, 5126])).toBe(1)
+  })
 
   it('should return the even number in an array of odd numbers', () => {
-    expect(parityOutlier([177, 5, 76, 1919])).toBe(76);
-  });
+    expect(parityOutlier([177, 5, 76, 1919])).toBe(76)
+  })
 
   it('should, if the given array has only one integer element, return the integer itself', () => {
-    expect(parityOutlier([83])).toBe(83);
-    expect(parityOutlier([54])).toBe(54);
-  });
+    expect(parityOutlier([83])).toBe(83)
+    expect(parityOutlier([54])).toBe(54)
+  })
 
   it('should, if the given array has only an odd and an even number, return the odd outlier', () => {
-    expect(parityOutlier([1, 2])).toBe(1);
-    expect(parityOutlier([4, 3])).toBe(3);
-  });
+    expect(parityOutlier([1, 2])).toBe(1)
+    expect(parityOutlier([4, 3])).toBe(3)
+  })
 
   it('should return null if the given array is empty, contains only one integer, contains non-interger elements or does not have a parity outlier', () => {
-    expect(parityOutlier([])).toBe(null);
-    expect(parityOutlier([2])).toBe(null);
-    expect(parityOutlier([2, {}, 5, 'GitHub'])).toBe(null);
-    expect(parityOutlier([1, 3, 5, 7, 9])).toBe(null);
-    expect(parityOutlier([0, 2, 4, 6, 8])).toBe(null);
-  });
-});
+    expect(parityOutlier([])).toBe(null)
+    expect(parityOutlier([2])).toBe(null)
+    expect(parityOutlier([2, {}, 5, 'GitHub'])).toBe(null)
+    expect(parityOutlier([1, 3, 5, 7, 9])).toBe(null)
+    expect(parityOutlier([0, 2, 4, 6, 8])).toBe(null)
+  })
+})