hackerRank cut the sticks

// https://www.hackerrank.com/challenges/cut-the-sticks/problem

// declarative, recursive, immutable
const handleSticks = ({
  mutableSticksArr,
  sticksLeftPerTurn,
  shortestStick
}) => {
  const shortestStickReturned = shortestStick(mutableSticksArr);
  return mutableSticksArr.length > 0
    ?   handleSticks({
            mutableSticksArr: mutableSticksArr
                .map(stick => stick - shortestStickReturned)
                .filter(stick => stick > 0),
            sticksLeftPerTurn: [
                ...sticksLeftPerTurn, mutableSticksArr.length
            ],
            shortestStick
        })
    :   sticksLeftPerTurn
}

const cutTheSticks = arr => (
    handleSticks({
        mutableSticksArr: [...arr],
        sticksLeftPerTurn: [],
        shortestStick: (stickArr) => (
          stickArr.slice(0).sort((a, b) => a - b)[0]
        )
    })
)

// imperative/immutable
const cutTheSticks = arr =>  {
    let mutableSticksArr = [...arr];
    let sticksLeftPerTurn = [];
    const shortestStick = (stickArr) => (
      stickArr.slice(0).sort((a, b) => a - b)[0]
    );

    do {
        sticksLeftPerTurn = [
          ...sticksLeftPerTurn,
          mutableSticksArr.length
        ];
        shortestStickReturned = shortestStick(mutableSticksArr);
        mutableSticksArr = mutableSticksArr
            .map(stick => stick - shortestStickReturned)
            .filter(stick => stick > 0)
    }
    while(mutableSticksArr.length > 0)

    return sticksLeftPerTurn;
}