Player inquirer loop for choose your own adventure.

player.js

"use strict";

var inquirer = require('inquirer');

var game = require('./game.source');

// play(node: Node) -> Promise<Node>
function play(node) {
  if (!node.connections.length) {
    console.log(node.text);
    return Promise.resolve({node});  // Note: `{node}` is ES6 object shorthand syntax. ES5 would be Promise.resolve({node: node})
  }
  return inquirer.prompt({
    name: 'node',
    message: node.text,
    type: 'list',
    choices: node.connections,
  }).then(answer => play(answer.node));  // Note: This is an ES6 Arrow function.
                                         // ES5 would be `.then(function(answer) { return play(answer.node); })`
}

play(game.startingPoint)
  .then(last => console.log('Game over.'));