Create folder into disk. ( check for existing folder)

create-folder-node-js.js

const fs = require('fs');

// CREATE FOLDER
function createFolder(folderName) {
    if (!fs.existsSync(folderName)) {
        fs.mkdirSync(folderName, 0766, function (err) {
            console.log(err);
        });
    } else {
        console.log("ERROR >> cannot create folder. Folder already exists");
    }
}