Format code style

Author: xinzhe822

Maths/CartesianProduct.js

@@ -8,17 +8,17 @@
 const cartesianProduct = (setA, setB) => {
   // Check if input sets are not empty.
   if (!setA || !setB || !setA.length || !setB.length) {
-    return null;
+    return null
   }
-  const product = [];
+  const product = []
 
   for (let indexA = 0; indexA < setA.length; indexA += 1) {
     for (let indexB = 0; indexB < setB.length; indexB += 1) {
-      product.push([setA[indexA], setB[indexB]]);
+      product.push([setA[indexA], setB[indexB]])
     }
   }
 
   return product
 }
 
-export { cartesianProduct }
+export { cartesianProduct }

Maths/test/CartesianProduct.test.js

@@ -1,4 +1,4 @@
-import {cartesianProduct} from '../CartesianProduct';
+import { cartesianProduct } from '../CartesianProduct'
 
 describe('cartesianProduct', () => {
   it('should return null if not enough info for calculation', () => {
@@ -11,11 +11,11 @@ describe('cartesianProduct', () => {
 
   it('should calculate the product of two sets', () => {
     const product1 = cartesianProduct([1], [1])
-    const product2 = cartesianProduct([1,2], [3])
+    const product2 = cartesianProduct([1, 2], [3])
     const product3 = cartesianProduct([1, 2], [3, 4])
 
     expect(product1).toEqual([[1, 1]])
-    expect(product2).toEqual([[1, 3],[2, 3]])
+    expect(product2).toEqual([[1, 3], [2, 3]])
     expect(product3).toEqual([[1, 3], [1, 4], [2, 3], [2, 4]])
   })
-})
+})