guessinggame.js

var chatskills = require('./lib/chatskills');
var readlineSync = require('readline-sync');

// Allow this module to be reloaded by hotswap when changed
module.change_code = 1;
chatskills.verbose = true;

// Define an alexa-app
var app = chatskills.app('guessinggame'); //new alexa.app('guessinggame');

app.launch(function(req,res) {
    var number = Math.floor(Math.random()*99)+1;
    res.session('number',number);
    res.session('guesses',0);
    var prompt = "Guess a number between 1 and 100!";
    res.say(prompt).reprompt(prompt).shouldEndSession(false);
});

app.intent('run', {
        "slots": {},
        "utterances": ["{to|} {run|start|go|launch}"]
    }, function(req, res) {
        var number = Math.floor(Math.random()*99)+1;
        res.session('number',number);
        res.session('guesses',0);
        var prompt = "Guess a number between 1 and 100!";
        res.say(prompt).reprompt(prompt).shouldEndSession(false);
    }
);

app.intent('guess',{
        "slots":{"guess":"NUMBER"}
        ,"utterances":["{1-100|guess}"]
    },
    function(req,res) {
        var guesses = (+req.session('guesses'))+1;
        var guess = req.slot('guess');
        var number = +req.session('number');
        if (!guess) {
            res.say("Sorry, I didn't hear a number. The number was "+number);
        }
        else if (guess==number) {
            res.say("Congratulations, you guessed the number in " + guesses + (guesses==1?" try":" tries"));
        }
        else {
            if (guess > number) {
                res.say("Guess lower");
            }
            else if (guess < number) {
                res.say("Guess higher");
            }
            res.reprompt("Sorry, I didn't hear a number. Try again.");
            res.session('guesses',guesses);
            res.shouldEndSession(false);
        }
    }
);
module.exports = app;

// Start running our skill. You can also just create a "start" intent and ask, "chatskills, ask guessinggame start".
chatskills.launch(app);

// Console client. 
var text = ' ';
while (text.length > 0 && text != 'quit') {
    text = readlineSync.question('> ');
 
    // Respond to input. 
    chatskills.respond(text, function(response) {
        console.log(response);
    });
}