translate-text.js

const { translate } = require('deepl-translator');

const SOURCE_LAN = 'EN';
const DESTINATION_LAN = 'DE';

const translateTitle = function(txt, cb){
    translate(txt, DESTINATION_LAN, SOURCE_LAN)
    .then(res => {
        /** res will be 
         * {
         *     targetLanguage: 'DE', // in which the text will be translated
         *     resolvedSourceLanguage: 'EN', // DeepL Api's detected languge of the given text
         *     translation: '[TXT]' // Translated text
         *   } 
         * */
        cb(res.translation); 
    })
    .catch((err)=>{
        cb(err);
    });
};

module.exports = {
    translateTitle 
};