node import all functions from file
//we are in ./utils/dbHelper.js, here we have some helper functions
function connect() {
// connect do db...
}
function closeConnection() {
// close connection to DB...
}
//let's export this function to show them to the world outside
module.exports = {
connect(),
closeConnection()
};
// now we are in ./main.js and we want use helper functions from dbHelper.js
const DbHelper = require ('./utils/dbHelper'); // import all file and name it DbHelper
DbHelper.connect(); // use function from './utils/dbHelper' using dot(.)
// or we can import only chosen function(s)
const { connect, closeConnection } = require ('./utils/dbHelper');
connect(); // use function from class without dot