Chuck Norris in Hubot: ES6 + Promise combined

const
    norrisUrl = 'https://api.icndb.com/jokes/random',
    decode = require('decode-html');

//the export is used to init the bot
module.exports = (robot) => {

    //listen to phrases that contain "Norris"
    robot.hear(/Norris/ig, (res) => {

        //wrap the HTTP get call as a Promise
        new Promise((resolve, reject) => 
            robot.http(norrisUrl).get()((err, response, body) =>
                err ? reject(err) : resolve(body)
            )
        )
        
        //parse to js object
        .then(body => JSON.parse(body))

        //get joke - jokes may have stuff like "
        .then(json => decode(json.value.joke))

        //reply joke
        .then(joke => res.reply(joke))

        //problems? Annoy the user with the problem
        .catch(err => res.reply('Not even Chuck Norris can deal with this one: ' + err));
    });
};