PubNub Text Translation with IBM Watson BLOCK

pubnub_watson_translate.js

const console = require('console');
const xhr = require('xhr');
const query = require('codec/query_string');
const base64 = require('codec/base64');
const pubnub = require('pubnub');

export default (request) => {
    const username = '00000000-0000-0000-0000-000000000000';
    const password = '000000000000';

    const apiUrl = 'https://gateway.watsonplatform.net/language-translation/api/v2/translate';
    const lang = 'es';

    const queryParams = {
        source: "en",
        target: lang,
        text: request.message.text_en
    };

    const httpOptions = {
        headers: {
            Authorization: 'Basic ' + 
                base64.btoa(username + ':' + password)
        }
    };

    return xhr.fetch(apiUrl + '?' + query.stringify(queryParams), httpOptions)
        .then(r => {
            request.message['text_' + lang] = r.body;

            return request.ok();
        }, e => {
            console.log(e);
        })
        .catch((e) => {
            console.error(e);
        });
};