Cst2989

export const bowlingScore = (inputRolls) => {
  if (inputRolls.length < 20 || inputRolls.length > 21 || inputRolls.some(roll => roll < 0)) {
    return 'Invalid rolls input' 
  }
  const arrayOfRolls = listToMatrix(inputRolls);
  return totalScore(arrayOfRolls);
};

Cst2989

const listToMatrix = (list) => {
  let matrix = [], i, k;
  for (i = 0, k = -1; i < list.length; i++) {
    if (i % 2 === 0) {
      k++;
      matrix[k] = [];
    }
    matrix[k].push(list[i]);
  }
  return matrix;

Cst2989

if (roundScore === 'X') {
  // handle Strike
  const futurePoint = frames[index + 2] ? frames[index + 2][0] : 10;
  const nextPoint = frames[index + 1][1] || frames[index + 1][0] !== 10
      ? frames[index + 1][1]
      : futurePoint;
  if (nextPoint) {
    roundScore = 10 + frames[index + 1][0] + nextPoint;
  } else {
    roundScore = 10 + frames[index + 1][0];

Cst2989

test('it should return total score when we have consecutive strikes', () => {
  const scoreCard = '/2XX2222/2'
  
  const totalScore = totalScore(scoreCard);
  
  expect(totalScore).toBe(67);
});

Cst2989

if (roundScore === 'X') {
  score += 10 + frames[index + 1][0] + frames[index + 1][1];
}

Cst2989

const totalScore = (scoreCard, frames) => {
  let score = 0;
  
  scoreCard.forEach((roundScore, index) => {
    if(roundScore === '/') {
        score += 10 + frames[index + 1][0];
      } else {
        score += parseInt(roundScore)
      }
    })

Cst2989

describe('totalScore function', () => {
  test('it should return total score when no spares/strike', () => {
    const scoreCard = '2222222222'
    const totalScore = totalScore(scoreCard);
    expect(totalScore).toBe(20);
  });
  
  test('it should return total score when we have spares', () => {
    const scoreCard = '/2222222/2'
    const totalScore = totalScore(scoreCard);

Cst2989

export const bowlingScoreCard = (frames) => {
  let scoreCard = '';

  frames.forEach((frameRolls) => {
    const frameResult = calculateFrame(frameRolls[0], frameRolls[1]);
    scoreCard += frameResult;
  });
  return scoreCard;
};

Cst2989

describe('bowlingScoreCard function', () => {
  test('it should correct scorecard when no strikes/spares', () => {
    const frames = [
      [1, 1],
      [1, 1],
      [1, 1],
      [1, 1],
      [1, 1],
      [1, 1],
      [1, 1],

Cst2989

const bowlingScoreCard = (frames) => {
  let scoreCard = '';
  return scoreCard
}