function onPersonalityAnswerClick()

in ArticleTemplates/assets/js/modules/quiz.js [391:431]

• 32 lines of code
• 7 McCabe index (conditional complexity)

function onPersonalityAnswerClick(answer, question) {
    initPositionPoller();
    let highlightedAnswer;
    let answerBuckets;
    let highlightedAnswerBuckets;

    // if the question has been answered already
    // and the the new answer selected is not the highlighted answer
    // remove answer from highlighted answer buckets
    if (question.classList.contains('answered') &&
        !(answer.classList.contains('highlight-answer') || questionCount === numAnswered)) {
        highlightedAnswer = question.getElementsByClassName('highlight-answer')[0];
        highlightedAnswer.classList.remove('highlight-answer');
        highlightedAnswerBuckets = highlightedAnswer.dataset.buckets.split(',');
        highlightedAnswerBuckets.forEach(bucketId => {
            bucketId = bucketId.trim();
            if (personalityQuizBuckets[bucketId]) {
                personalityQuizBuckets[bucketId].count--;
            }
        });
        numAnswered--;
    }

    // update answer buckets
    answerBuckets = answer.dataset.buckets.split(',');
    answerBuckets.forEach(bucketId => {
        bucketId = bucketId.trim();
        if (personalityQuizBuckets[bucketId]) {
            personalityQuizBuckets[bucketId].count++;
        }
    });

    // mark question as answered
    question.classList.add('answered');
    answer.classList.add('highlight-answer');
    numAnswered++;
    // If all questions have been answered display the score
    if (questionCount === numAnswered) {
        showResult();
    }
}