first commit

app_vue/node_modules/enquirer/lib/prompts/quiz.js

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+'use strict';
+
+const SelectPrompt = require('./select');
+
+class Quiz extends SelectPrompt {
+  constructor(options) {
+    super(options);
+    if (typeof this.options.correctChoice !== 'number' || this.options.correctChoice < 0) {
+      throw new Error('Please specify the index of the correct answer from the list of choices');
+    }
+  }
+
+  async toChoices(value, parent) {
+    let choices = await super.toChoices(value, parent);
+    if (choices.length < 2) {
+      throw new Error('Please give at least two choices to the user');
+    }
+    if (this.options.correctChoice > choices.length) {
+      throw new Error('Please specify the index of the correct answer from the list of choices');
+    }
+    return choices;
+  }
+
+  check(state) {
+    return state.index === this.options.correctChoice;
+  }
+
+  async result(selected) {
+    return {
+      selectedAnswer: selected,
+      correctAnswer: this.options.choices[this.options.correctChoice].value,
+      correct: await this.check(this.state)
+    };
+  }
+}
+
+module.exports = Quiz;