questionMap

Installation.

npm install --save questionMap

or

yarn add questionMap

Construct question trees:
    Question A?
        Option 1
            -   Leads to Question B.
        Option 2
            -   Leads to Question C.
        Option 3
            -   Leads to Question D.

    Question B
        Option 1
            -   Leads to question D.
        Option 2
            ...

    Question C
            ...

Usage.

Specifying questions.

Method one.

const question = new Question('Question1', 'What do you want?',
    {
        'Question2' : 'A rock.',
        'Question3' : 'Some papers.',
        'Question4' : 'Thirty thousand scissors.'
    }
)

const q2 = new Question(
    ...
)

...

Method two.

const q1 = new Question(
  {
    'name' : 'Question1',
    'message' : 'What do you want?',
    'options' : {
          'Question2' : 'A rock.',
          'Question3' : 'Some papers.',
          'Question4' : 'Thirty thousand scissors.'
      }
  }
)

const q2 = new Question(
    ...
)

...

Specifying a question map.

const QUESTIONS = new QuestionMap(
  q1, q2, ...
)

Going between questions.

const QUESTIONS = ...

while (QUESTIONS.hasValidAnswer()) {
    const question = QUESTIONS.getCurrentQuestion()
    console.log(question.fullMessage())

    let opt = getUserInput()
    while (!QUESTIONS.isValidAnswer(opt)) {
        console.log('Invalid option.')
        opt = getUserInput()
    }
    QUESTIONS.answerQuestion(opt)

    console.log(`You have answered ${QUESTIONS.getAnswers()} so far.`)
}