function chunkyMonkey(values, size) {
  newArray = []
  let index = 0
  
  while (index < values.length) {
    let end = values[index + size] ? index + size : values.length 
    let slice = values.slice(index, end)
    newArray.push(slice);
    index = end
  }
  
  return newArray
}



/**
* Test Suite 
*/
describe('chunkyMonkey()', () => {
    it('returns largest positive integer possible for digit count', () => {
        // arrange
        const values = ["a", "b", "c", "d"];
        const size = 2;
        
        // act
        const result = chunkyMonkey(values, size);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toEqual([["a", "b"], ["c", "d"]]);
    });
});