PubNub Function for Microsoft's Translate V3 API

index.js

const PubNub = require('pubnub');
const readline = require('readline');
const pubnub = new PubNub({
    publishKey: "pub-c-716a3b86-1770-4e00-985f-f12211d9def9",
    subscribeKey: "sub-c-535a73fe-de7d-11eb-ad9d-a277214e1d91",
});
const channel = "translate";

pubnub.addListener({
    message: function(event) {
        console.dir(event.message, { depth: null });
        console.log('');
    },
})

pubnub.subscribe({
  channels: [channel],
});

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
  terminal: false,
});

rl.on('line', function(line){
    pubnub.publish({
        channel: channel,
        message: {
            phrase   : line,
            language : "es,zh",
        },
    });
});

microsoft-translate-v3.js

// Demo URL https://codepen.io/team/PubNub/pen/rdQMaN

// ALERT!  
// YOU NEED TO ADD YOUR MICROSFOT API KEY 'Ocp-Apim-Subscription-Key'
//
// 1.) Click "My Secrets" button.  
// 2.) Add a new Secret 'Ocp-Apim-Subscription-Key'
// 3.) Paste in your Microsoft Translator V3 API Key
// 4.) Save
// 5.) Restart/Start your Module
//

const xhr   = require('xhr');
const vault = require('vault');

export default request => { 
    // Capture Text and Language to Translate
    let text = request.message.phrase;
    let lang = request.message.language || "es";
    let data = request.message.data     || {};
    
    // ChatEngine Compatibility Data Object
    lang = lang || (data && data.language) || 'zh-HH';
    text = text || (data && data.text)     || 'hello';
    
    // Translate using Microsoft V3 Translator API
    return translate( text, lang ).then( result => {
        request.message.data             = request.message.data || {};
        request.message.data.translation = result;
        request.message.data.text        = result.translations[0]['text'];
        request.message.original         = text;
        request.message.phrase           = request.message.data.text;
        return request.ok();
    } ).catch( error => {
        console.error(error);
        return request.ok();
    } );
};

// ------------------------------------
// Microsoft Translator API V3
// ------------------------------------
// Microsoft Response Format
// { detectedLanguage : { language : "en", score : 1.0 }, 
//   translations     : [{ text : text, to : language }] }
function translate( text='hello', language='zh-HH' ) {
    return new Promise( ( resolve, reject ) => {
        return vault.get('Ocp-Apim-Subscription-Key').then( oask => {
            if (!oask) return reject("Missing 'Ocp-Apim-Subscription-Key'");
            let headers = {};
            let opts    = {
                host    : 'https://dev.microsofttranslator.com'
            ,   method  : 'POST'
            ,   headers : headers
            ,   path    : '/translate?api-version=3.0'
            ,   to      : '&to=' + language
            ,   body    : JSON.stringify([{ Text : text }])
            };

            headers['Content-Type']              = 'application/json';
            headers['Ocp-Apim-Subscription-Key'] = oask;

            let uri = opts.host + opts.path + opts.to;
            return xhr.fetch( uri, opts )
                .then(    res => resolve(JSON.parse(res.body)[0]) )
                .catch( error => reject(error) );
        } ).catch( error => {
            return reject(error);
        } );
    } );
}

package.json

{
  "name": "demo",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "node index.js"
  },
  "author": "",
  "license": "MIT",
  "dependencies": [
    "pubnub"
  ]
}