function countVowelConsonant(str) {
  const vowels = new Set(['a', 'e', 'i','o', 'u']);
  
  let score = 0;
  for (const letter of str) {
      if (vowels.has(letter)) {
          score++;
      } else {
          score += 2;
      }
  }
  
  return score;
}



/**
* Test Suite 
*/
describe('countVowelConsonant()', () => {
    it('returns total of vowels(1) and consonants(2) to be added', () => {
        // arrange
        const value = 'abcde';
        
        // act
        const result = countVowelConsonant(value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe(8);
    });
});