language_translator.v3.js

'use strict';
require('dotenv').config();

const LanguageTranslatorV3 = require('ibm-watson/language-translator/v3');

/**
 * Instantiate the Watson Language Translator Service
 */
const languageTranslator = new LanguageTranslatorV3({
  // See: https://github.com/watson-developer-cloud/node-sdk#authentication
  // iam_apikey: 'INSERT YOUR IAM API KEY HERE',
  version: '2020-04-30',
});

const params = {
  text: 'Hello, this is a example of translating language with Watson.',
  source: 'en',
  target: 'es',
};

// return the body - primary use case

languageTranslator
  .translate(params)
  .then(body => {
    console.log(JSON.stringify(body, null, 2));
    console.log('\n');
  })
  .catch(err => {
    console.log(err);
  });

// return the entire response - in the case that more
// information (such as response headers) is required

params.return_response = true;

languageTranslator
  .translate(params)
  .then(res => {
    console.log(JSON.stringify(res, null, 2));
  })
  .catch(err => {
    console.log(err);
  });