Controller

controller.js

const wordWizard = require('./wordWizard')

exports.getWordsCountInDesc = function (req, res) {
    let callBack = function (err, response) {
        if (err) {
            res.json({});
        } else {
            res.json(response);
        }
    }
    let sentence = req.body.sentence;
    wordWizard.getWordsCountInDesc(sentence, callBack);
}