feat: add reverse every other word solution

Author: marcode24

codewars/reverse-every-other-word/solution.js

@@ -0,0 +1,9 @@
+const reverse = (str) => {
+  str = str.trim().split(' ');
+  for (let i = 1; i < str.length; i += 2) {
+    str[i] = str[i].split('').reverse().join('');
+  }
+  return str.join(' ');
+};
+
+module.exports = reverse;

codewars/reverse-every-other-word/solution.test.js

@@ -0,0 +1,26 @@
+const reverse = require('./solution');
+
+describe('Reverse every other word in the string', () => {
+  const testCases = [
+    {
+      input: 'Did it work?',
+      output: 'Did ti work?',
+    },
+    {
+      input: 'I really hope it works this time...',
+      output: 'I yllaer hope ti works siht time...',
+    },
+    {
+      input: 'Reverse this string, please!',
+      output: 'Reverse siht string, !esaelp',
+    },
+  ];
+
+  it('should return a string type', () => {
+    expect(typeof reverse('Did it work?')).toBe('string');
+  });
+
+  it.each(testCases)('should return the correct output', ({ input, output }) => {
+    expect(reverse(input)).toBe(output);
+  });
+});