function chunkyMonkey(values, size) {
    let chunkedArray = []
    let chunkStartIdx = 0
    let chunkEndIdx = size
    // chunk array until end pointer is past end of values
    while (chunkEndIdx <= values.length) {
        chunkedArray.push(values.slice(chunkStartIdx, chunkEndIdx)) // not inclusive end
        chunkStartIdx += size
        chunkEndIdx += size
    }
    // now handle residuals - if any
    // if no residual, end pointer should be exactly 1 chunk past
    if (chunkEndIdx !== values.length + size) {
        chunkedArray.push(values.slice(chunkStartIdx, values.length))
    }
    console.log(chunkedArray)
    return chunkedArray
    
    
}



/**
* Test Suite 
*/
describe('chunkyMonkey()', () => {
    it('returns largest positive integer possible for digit count', () => {
        // arrange
        const values = ["a", "b", "c", "d", "e", "f", "g", "h", "i"];
        const size = 4;
        
        // act
        const result = chunkyMonkey(values, size);

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