JAVASCRIPT

export module in ES6

let func = (a) => a + a
let obj = {}
let x = 0

export {func, obj, x}

module.exports in js

module.exports = {
    method: function() {},
    otherMethod: function() {},
};


const myModule = require('./myModule.js');
const method = myModule.method;
const otherMethod = myModule.otherMethod;
// OR:
const {method, otherMethod} = require('./myModule.js');

module export javascript

// user.js
const getName = () => {
  return 'Jim';
};

const getLocation = () => {
  return 'Munich';
};

const dateOfBirth = '12.01.1982';

exports.getName = getName;
exports.getLocation = getLocation;
exports.dob = dateOfBirth;

// index.js
const user = require('./user');
console.log(
  `${user.getName()} lives in ${user.getLocation()} and was born on ${user.dob}.`
);

modules.exports javascript

//2 ways of module.exports
// 1
function celsiusToFahrenheit(celsius) {
  return celsius * (9/5) + 32;
}
 
module.exports.celsiusToFahrenheit = celsiusToFahrenheit;
 
//2
module.exports.fahrenheitToCelsius = function(fahrenheit) {
  return (fahrenheit - 32) * (5/9);
};

module.exports with JavaScript

mycoolmodule/index.js
module.exports = "123";


routes/index.js


var mymodule = require('mycoolmodule')

var router = express.Router();

/* GET home page. */
router.get('/', function(req, res, next) {
	console.log(mymodule);
});
 
/*will show 123 in the terminal*/
module.exports = router;

module export javascript

// user.js
exports.getName = () => {
  return 'Jim';
};

exports.getLocation = () => {
  return 'Munich';
};

exports.dob = '12.01.1982';

// index.js
const { getName, dob } = require('./user');
console.log(
  `${getName()} was born on ${dob}.`
);