index.js

/* eslint-disable  func-names */
/* eslint quote-props: ["error", "consistent"]*/
/**
 **/

'use strict';

const Alexa = require('alexa-sdk');

const APP_ID = undefined;  // TODO replace with your app ID (OPTIONAL).

const languageStrings = {
    'en-US': {
        translation: {
            FACTS: [
                'A year on Mercury is just 88 days long.',
                'Despite being farther from the Sun, Venus experiences higher temperatures than Mercury.'
            ],
            SKILL_NAME: 'American Space Facts',
            GET_FACT_MESSAGE: "Here's your fact: ",
            HELP_MESSAGE: 'You can say tell me a space fact, or, you can say exit... What can I help you with?',
            HELP_REPROMPT: 'What can I help you with?',
            STOP_MESSAGE: 'Goodbye!',
        },
    },
};

const handlers = {
    'LaunchRequest': function () {
        //this.emit('GetFact');
        this.emit('ReadFeed');
    },
    'GetNewFactIntent': function () {
        this.emit('GetFact');
    },
    'ReadFeed': function() {
        this.emit(':tell', 'test');
    },
    'GetFact': function () {
        // Get a random space fact from the space facts list
        // Use this.t() to get corresponding language data
        const factArr = this.t('FACTS');
        const factIndex = Math.floor(Math.random() * factArr.length);
        const randomFact = factArr[factIndex];

        // Create speech output
        const speechOutput = this.t('GET_FACT_MESSAGE') + randomFact;
        this.emit(':tellWithCard', speechOutput, this.t('SKILL_NAME'), randomFact);
        
        this.emit(':tell', this.t('STOP_MESSAGE'));
    },
    'AMAZON.HelpIntent': function () {
        const speechOutput = this.t('HELP_MESSAGE');
        const reprompt = this.t('HELP_MESSAGE');
        this.emit(':ask', speechOutput, reprompt);
    },
    'AMAZON.CancelIntent': function () {
        this.emit(':tell', this.t('STOP_MESSAGE'));
    },
    'AMAZON.StopIntent': function () {
        this.emit(':tell', this.t('STOP_MESSAGE'));
    },
    'SessionEndedRequest': function () {
        this.emit(':tell', this.t('STOP_MESSAGE'));
    },
};

exports.handler = (event, context) => {
    const alexa = Alexa.handler(event, context);
    alexa.APP_ID = APP_ID;
    // To enable string internationalization (i18n) features, set a resources object.
    alexa.resources = languageStrings;
    alexa.registerHandlers(handlers);
    alexa.execute();
};