node.js: Exporting custom modules

In my previous post, I explained how to import external modules using require() function (require(): Loadrequired modules).

In this post, I am going to explain how to import custom modules using ‘require()’ function.

I defined file structure like below.

HelloWorld.js

customModules

         ->Employee.js

I would like to import Employee.js module in HelloWorld.js file, you can do that using require("./customModules/Employee").

Employee.js

var Employee = function(firstName, lastName){
 this.firstName = firstName;
 this.lastName = lastName;
}

module.exports = Employee;

HelloWorld.js

var Employee = require("./customModules/Employee");

var emp1 = new Employee('Krishna', 'Ponnam');

console.log(`Employee first name : ${emp1.firstName}`);
console.log(`Employee last name : ${emp1.lastName}`);

Output

Employee first name : Krishna

Employee last name : Ponnam

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