{"id":19970,"date":"2025-02-19T12:27:08","date_gmt":"2025-02-19T12:27:08","guid":{"rendered":"https:\/\/shivlab.com\/blog\/\/"},"modified":"2025-02-19T13:41:20","modified_gmt":"2025-02-19T13:41:20","slug":"nodejs-modules-types-uses-exporting","status":"publish","type":"post","link":"http:\/\/167.86.116.248\/shivlab\/blog\/nodejs-modules-types-uses-exporting\/","title":{"rendered":"What Are Node.js Modules? A Complete Guide"},"content":{"rendered":"<p>Node.js has become a cornerstone in modern web development, enabling developers to build efficient and scalable server-side applications using JavaScript. A fundamental aspect of Node.js that contributes to its flexibility and robustness is its module system.<\/p>\n<p>Node.js continues to experience significant growth in adoption. Recent statistics indicate a 40% annual increase in downloads across all versions, underscoring its rising popularity among developers and enterprises alike. This surge is attributed to Node.js&#8217;s efficiency, scalability, and vibrant ecosystem of modules that streamline development processes.<\/p>\n<p>For businesses looking to leverage this technology, the option to <a href=\"http:\/\/167.86.116.248\/shivlab\/hire-dedicated-node-js-developers\/\">hire offshore Node.js developers<\/a> has become increasingly attractive, offering access to a global talent pool skilled in building high-performance applications.<\/p>\n<h2><strong>What Are Modules in Node.js?<\/strong><\/h2>\n<hr \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-19995\" src=\"http:\/\/167.86.116.248\/shivlab\/wp-content\/uploads\/2025\/02\/What-Are-Modules-in-Node.js.webp\" alt=\"What Are Modules in Node.js\" width=\"950\" height=\"564\" srcset=\"http:\/\/167.86.116.248\/shivlab\/wp-content\/uploads\/2025\/02\/What-Are-Modules-in-Node.js.webp 950w, http:\/\/167.86.116.248\/shivlab\/wp-content\/uploads\/2025\/02\/What-Are-Modules-in-Node.js-300x178.webp 300w, http:\/\/167.86.116.248\/shivlab\/wp-content\/uploads\/2025\/02\/What-Are-Modules-in-Node.js-768x456.webp 768w\" sizes=\"auto, (max-width: 950px) 100vw, 950px\" \/><\/p>\n<p>Modules in Node.js are self-contained units of code that encapsulate related functionalities, making them reusable and easier to manage. Each module resides in its own file and can export variables, functions, classes, or objects, which can then be imported and utilized in other parts of the application. This modular approach aligns with the CommonJS specification, which Node.js implements to handle module definitions and dependencies.<\/p>\n<h3><strong><span style=\"color: #ff8625;\">#<\/span> Why Use Node.js Modules?<\/strong><\/h3>\n<ul class=\"orangeList\">\n<li><strong>Code Reusability<\/strong> \u2013 Write once, use anywhere.<\/li>\n<li><strong>Maintainability<\/strong> \u2013 Manage and debug smaller modules instead of a massive codebase.<\/li>\n<li><strong>Encapsulation<\/strong> \u2013 Keeps functions and variables private to a module unless explicitly exported.<\/li>\n<li><strong>Scalability<\/strong> \u2013 Makes it easier to build large applications in a structured manner.<\/li>\n<\/ul>\n<p><strong>Also Read:<\/strong> <a href=\"http:\/\/167.86.116.248\/shivlab\/blog\/node-js-environment-setup-for-windows-mac\/\">Node.js Development Environment Setup for Windows and Mac<\/a><\/p>\n<h2><strong>Types of Node.js Modules<\/strong><\/h2>\n<hr \/>\n<p><a href=\"https:\/\/nodejs.org\/en\" target=\"_blank\" rel=\"nofollow noopener\">Node.js<\/a> categorizes modules into three primary types: Core Modules, Local Modules, and Third-Party Modules. Understanding each type is crucial for effectively structuring applications and leveraging the full potential of the Node.js ecosystem.<\/p>\n<h3><strong><span style=\"color: #ff8625;\">1.<\/span> Core Modules<\/strong><\/h3>\n<p>Core modules are integral components of Node.js, providing essential functionalities required for building various applications. These modules are part of the Node.js binary distribution, eliminating the need for separate installation. Developers can import core modules using the require() function, accessing a wide range of capabilities.<\/p>\n\t<div class=\"blog-banner-design-one\">\n\t\t<div class=\"blog-banner-design-one-inner\">\n\t\t\t<div class=\"blog-banner-design-one-image\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/shivlab.com\/wp-content\/uploads\/2025\/02\/blog-banner-one-image.webp\" alt=\"Banner Image\">\n\t\t\t<\/div>\n\t\t\t<div class=\"blog-banner-design-one-info-right\">\n\t\t\t\t<h5 class=\"blog-banner-design-one-title h3\">Build Scalable Applications with Node.js Modules<\/h5>\n\t\t\t\t<p class=\"blog-banner-design-one-content\">Simplify development with modular programming in Node.js. Use built-in and custom modules to improve efficiency and code management.<\/p>\n\t\t\t\t<div class=\"btn-wrap text-center\">\n\t\t\t\t\t<!-- <a href=\"\" class=\"btn-white\" title=\"\">\n\t\t\t\t\t\t\t\t\t\t\t<\/a> -->\n\t\t\t\t\t<button type=\"button\" class=\"btn-white\" data-toggle=\"modal\" data-target=\"#selectableModal\">\n\t\t\t\t\t\tGet Started Today\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\n<p><strong>Some of the commonly used core modules include:<\/strong><\/p>\n<ul class=\"orangeList\">\n<li><strong>http<\/strong>: Enables the creation of HTTP servers and clients, facilitating web communication.<\/li>\n<li><strong>fs<\/strong>: Provides an API for interacting with the file system, allowing operations like reading and writing files.<\/li>\n<li><strong>path<\/strong>: Offers utilities for handling and transforming file and directory paths.<\/li>\n<li><strong>url<\/strong>: Utilities for URL resolution and parsing.<\/li>\n<li><strong>querystring<\/strong>: Methods to deal with query string parsing and formatting.<\/li>\n<li><strong>util<\/strong>: Includes utility functions that facilitate debugging and other tasks.<\/li>\n<\/ul>\n<p>For example, to create a simple HTTP server using the http module:<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst http = require(&#039;http&#039;);\r\n\r\nconst server = http.createServer((req, res) =&gt; {\r\n  res.statusCode = 200;\r\n  res.setHeader(&#039;Content-Type&#039;, &#039;text\/plain&#039;);\r\n  res.end(&#039;Hello, World!\\n&#039;);\r\n});\r\n\r\nserver.listen(3000, () =&gt; {\r\n  console.log(&#039;Server running at http:\/\/localhost:3000\/&#039;);\r\n});\r\n<\/pre>\n<p>In this snippet, the http module is imported and used to create a server that responds with &#8220;Hello, World!&#8221; to any incoming requests.<\/p>\n<h3><strong><span style=\"color: #ff8625;\">2.<\/span> Local Modules<\/strong><\/h3>\n<p>Local modules are custom modules created by developers to encapsulate application-specific logic. These modules reside within the project directory and are used to organize code into logical units. By dividing functionality into local modules, developers can enhance code readability and maintainability.<\/p>\n<p>Creating a local module involves defining the desired functionality in a separate JavaScript file and exporting the components that should be accessible to other parts of the application. For instance, consider a module that performs basic mathematical operations:<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\n\/\/ mathOperations.js\r\nfunction add(a, b) {\r\n  return a + b;\r\n}\r\n\r\nfunction subtract(a, b) {\r\n  return a - b;\r\n}\r\n\r\nmodule.exports = {\r\n  add,\r\n  subtract,\r\n};\r\n<\/pre>\n<p>In this example, the add and subtract functions are defined and exported as properties of the module.exports object. To use these functions in another file:<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\n\/\/ app.js\r\nconst math = require(&#039;.\/mathOperations&#039;);\r\n\r\nconsole.log(math.add(5, 3));        \/\/ Output: 8\r\nconsole.log(math.subtract(10, 4));  \/\/ Output: 6\r\n<\/pre>\n<p>Here, the mathOperations module is imported using the require() function, and its methods are invoked to perform calculations.<\/p>\n<h3><strong><span style=\"color: #ff8625;\">3.<\/span> Third-Party Modules<\/strong><\/h3>\n<p>Third-party modules are packages developed by the Node.js community and published to the npm (Node Package Manager) registry. These modules extend the functionality of Node.js applications, offering solutions to common challenges and enabling rapid development. To use a third-party module, developers must first install it using npm and then import it into their application.<\/p>\n<p>For example, to include the popular express framework in a project:<\/p>\n<p><strong>Install the module:<\/strong><\/p>\n<p><strong>sh<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nnpm install express\r\n<\/pre>\n<p><strong>Use the module in your application:<\/strong><\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\n\/\/ app.js\r\nconst express = require(&#039;express&#039;);\r\nconst app = express();\r\n\r\napp.get(&#039;\/&#039;, (req, res) =&gt; {\r\n  res.send(&#039;Welcome to\r\n<\/pre>\n<h2><strong>Built-in Modules in Node.js<\/strong><\/h2>\n<hr \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-19996\" src=\"http:\/\/167.86.116.248\/shivlab\/wp-content\/uploads\/2025\/02\/Built-in-Modules-in-Node.js.webp\" alt=\"Built-in Modules in Node.js\" width=\"950\" height=\"564\" srcset=\"http:\/\/167.86.116.248\/shivlab\/wp-content\/uploads\/2025\/02\/Built-in-Modules-in-Node.js.webp 950w, http:\/\/167.86.116.248\/shivlab\/wp-content\/uploads\/2025\/02\/Built-in-Modules-in-Node.js-300x178.webp 300w, http:\/\/167.86.116.248\/shivlab\/wp-content\/uploads\/2025\/02\/Built-in-Modules-in-Node.js-768x456.webp 768w\" sizes=\"auto, (max-width: 950px) 100vw, 950px\" \/><\/p>\n<p>Node.js comes with a collection of built-in modules that provide essential functionalities without requiring additional installations. These modules help developers handle file operations, create servers, work with streams, manage cryptography, and much more. Since they are part of the Node.js runtime, they can be imported using the require() function.<\/p>\n<h3><strong><span style=\"color: #ff8625;\">1)<\/span> fs (File System Module)<\/strong><\/h3>\n<p>The fs module allows interaction with the file system, enabling operations such as reading, writing, and deleting files.<\/p>\n<p><strong>Example:<\/strong> Reading a file asynchronously<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst fs = require(&#039;fs&#039;);\r\nfs.readFile(&#039;example.txt&#039;, &#039;utf8&#039;, (err, data) =&gt; {\r\n    if (err) {\r\n        console.error(&#039;Error reading file:&#039;, err);\r\n        return;\r\n    }\r\n    console.log(data);\r\n});\r\n<\/pre>\n<h3><strong><span style=\"color: #ff8625;\">2)<\/span> http (HTTP Module)<\/strong><\/h3>\n<p>The http module is used to create web servers and handle HTTP requests.<\/p>\n<p><strong>Example:<\/strong> Creating a basic HTTP server<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst http = require(&#039;http&#039;);\r\nconst server = http.createServer((req, res) =&gt; {\r\n    res.writeHead(200, { &#039;Content-Type&#039;: &#039;text\/plain&#039; });\r\n    res.end(&#039;Hello, Node.js Server!&#039;);\r\n});\r\nserver.listen(3000, () =&gt; {\r\n    console.log(&#039;Server running on port 3000&#039;);\r\n});\r\n<\/pre>\n<h3><strong><span style=\"color: #ff8625;\">3)<\/span> path (Path Module)<\/strong><\/h3>\n<p>The path module helps in working with file and directory paths.<\/p>\n<p><strong>Example:<\/strong> Working with file paths<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst path = require(&#039;path&#039;);\r\nconst filePath = path.join(__dirname, &#039;folder&#039;, &#039;file.txt&#039;);\r\nconsole.log(&#039;File Path:&#039;, filePath);\r\n<\/pre>\n\t<div class=\"blog-banner-design-three\">\n\t\t<div class=\"blog-banner-design-three-inner\">\n\t\t\t<div class=\"blog-banner-design-three-left-image\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/shivlab.com\/wp-content\/uploads\/2025\/02\/blog-image-three-left.webp\" alt=\"Left Image\">\n\t\t\t<\/div>\n\t\t\t<div class=\"blog-banner-design-three-info-right\">\n\t\t\t\t<h5 class=\"blog-banner-design-three-title h3\">Organize Your Node.js Code with Modular Architecture<\/h5>\n\t\t\t\t<p class=\"blog-banner-design-three-content\">Break down complex applications into structured, reusable modules for better performance and maintainability.<\/p>\n\t\t\t\t<div class=\"btn-wrap text-center\">\n\n\t\t\t\t\t<script src=\"https:\/\/assets.calendly.com\/assets\/external\/widget.js\" type=\"text\/javascript\" async=\"\"><\/script>\n\t\t\t\t\t<button class=\"btn btn-orange\" onclick=\"Calendly.initPopupWidget({url: 'https:\/\/calendly.com\/contact-4cu\/30min'});return false;\">Hire Expert Node.js Developers<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"blog-banner-design-three-right-image\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/shivlab.com\/wp-content\/uploads\/2025\/02\/blog-image-three-right.webp\" alt=\"Right Image\">\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n<h3><strong><span style=\"color: #ff8625;\">4)<\/span> os (Operating System Module)<\/strong><\/h3>\n<p>The os module provides system-related information, such as CPU architecture and memory usage.<\/p>\n<p><strong>Example:<\/strong> Fetching system details<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst os = require(&#039;os&#039;);\r\nconsole.log(&#039;OS Type:&#039;, os.type());\r\nconsole.log(&#039;Total Memory:&#039;, os.totalmem());\r\nconsole.log(&#039;Free Memory:&#039;, os.freemem());\r\n<\/pre>\n<h3><strong><span style=\"color: #ff8625;\">5)<\/span> crypto (Cryptography Module)<\/strong><\/h3>\n<p>The crypto module enables cryptographic operations such as hashing and encryption.<\/p>\n<p><strong>Example:<\/strong> Creating a SHA256 hash<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst crypto = require(&#039;crypto&#039;);\r\nconst hash = crypto.createHash(&#039;sha256&#039;).update(&#039;password123&#039;).digest(&#039;hex&#039;);\r\nconsole.log(&#039;SHA256 Hash:&#039;, hash);\r\n<\/pre>\n<h3><strong><span style=\"color: #ff8625;\">6)<\/span> events (Event Emitter Module)<\/strong><\/h3>\n<p>The events module allows handling and triggering custom events.<\/p>\n<p><strong>Example:<\/strong> Creating an event emitter<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst EventEmitter = require(&#039;events&#039;);\r\nconst eventEmitter = new EventEmitter();\r\neventEmitter.on(&#039;greet&#039;, (name) =&gt; {\r\n    console.log(`Hello, ${name}!`);\r\n});\r\neventEmitter.emit(&#039;greet&#039;, &#039;Alice&#039;);\r\n<\/pre>\n<p>These built-in modules provide a solid foundation for building applications in Node.js without the need for additional dependencies. Using them effectively can improve application performance and maintainability.<\/p>\n<h2><strong>Exporting Modules in Node.js<\/strong><\/h2>\n<hr \/>\n<p>Node.js allows developers to break code into smaller, reusable parts using modules. These modules can be shared across different files by exporting their functionality. This process helps maintain a well-structured and organized codebase.<\/p>\n<p>In Node.js, exporting a module means making functions, objects, or variables available for use in other files. The module.exports and exports objects play a key role in this process.<\/p>\n<h3><strong><span style=\"color: #ff8625;\">#<\/span> Methods of Exporting Modules<\/strong><\/h3>\n<p><strong><span style=\"color: #ff8625;\">1)<\/span> Exporting a Single Function<\/strong><br \/>\nWhen a module contains only one function that needs to be used elsewhere, it can be exported as shown below:<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nfunction greet(name) {\r\n    return `Hello, ${name}!`;\r\n}\r\n\r\nmodule.exports = greet;\r\n<\/pre>\n<p>In another file, this function can be imported and used:<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst greet = require(&#039;.\/greet&#039;);\r\nconsole.log(greet(&#039;Alice&#039;)); \/\/ Output: Hello, Alice!\r\n<\/pre>\n<p><strong><span style=\"color: #ff8625;\">2)<\/span> Exporting Multiple Functions or Variables<\/strong><br \/>\nA module can contain multiple functions, constants, or objects. These can be exported together using an object structure.<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nfunction add(a, b) {\r\n    return a + b;\r\n}\r\n\r\nfunction subtract(a, b) {\r\n    return a - b;\r\n}\r\n\r\nmodule.exports = { add, subtract };\r\n<\/pre>\n<p>The functions can then be imported and used like this:<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst math = require(&#039;.\/mathOperations&#039;);\r\n\r\nconsole.log(math.add(5, 3));        \/\/ Output: 8\r\nconsole.log(math.subtract(10, 4));  \/\/ Output: 6\r\n<\/pre>\n<p><strong><span style=\"color: #ff8625;\">3)<\/span> Exporting a Class<\/strong><br \/>\nNode.js also allows exporting classes, which is useful when building applications using object-oriented principles.<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nclass User {\r\n    constructor(name, age) {\r\n        this.name = name;\r\n        this.age = age;\r\n    }\r\n\r\n    getInfo() {\r\n        return `${this.name} is ${this.age} years old.`;\r\n    }\r\n}\r\n\r\nmodule.exports = User;\r\n<\/pre>\n<p>The class can be imported and instantiated in another file:<\/p>\n<p><strong>javascript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nconst User = require(&#039;.\/User&#039;);\r\nconst user1 = new User(&#039;John&#039;, 30);\r\n\r\nconsole.log(user1.getInfo()); \/\/ Output: John is 30 years old.\r\n<\/pre>\n<h2><strong>Node.js Development Services &amp; Hiring Offshore Developers<\/strong><\/h2>\n<hr \/>\n<p>For businesses looking to build scalable applications, working with experienced Node.js developers is essential. Hiring an in-house team can be costly, especially for startups or companies with short-term projects. This is where hiring offshore Node.js developers becomes a practical solution.<\/p>\n<h3><strong><span style=\"color: #ff8625;\">#<\/span> Why Hire Offshore Node.js Developers?<\/strong><\/h3>\n<ul class=\"orangeList\">\n<li><strong>Cost Savings:<\/strong> Offshore developers often provide high-quality services at a lower cost compared to hiring locally.<\/li>\n<li><strong>Access to Skilled Developers:<\/strong> Companies can work with professionals who have extensive experience in building Node.js applications.<\/li>\n<li><strong>Flexibility:<\/strong> Offshore developers can be hired on a project basis, avoiding the need for long-term employment contracts.<\/li>\n<li><strong>Faster Development:<\/strong> With a dedicated team, projects can be completed more efficiently without unnecessary delays.<\/li>\n<\/ul>\n<p>At Shiv Technolabs, we provide <a href=\"http:\/\/167.86.116.248\/shivlab\/node-js-development\/\">Node.js development services<\/a> tailored to business needs. Whether it&#8217;s API development, real-time applications, or microservices architecture, our skilled team ensures high-quality<br \/>\nsolutions.<\/p>\n<p><strong>Bonus Read:<\/strong> <a href=\"http:\/\/167.86.116.248\/shivlab\/blog\/strategies-for-hire-offshore-nodejs-development-team\/\">Ensure Success with Offshore Node.js Development Team<\/a><\/p>\n<h4><strong>Conclusion<\/strong><\/h4>\n<hr \/>\n<p>Node.js modules play a crucial role in making applications maintainable, reusable, and scalable. Understanding how to structure, import, and export modules allows developers to build efficient applications without cluttering the codebase. In the first part of this guide, we discussed what Node.js modules are and their different types, including built-in, local, and third-party modules. This second part focused on exporting modules and how businesses can benefit from hiring skilled Node.js developers.<\/p>\n<p>If you are looking for expert developers to build your next Node.js project, <a href=\"http:\/\/167.86.116.248\/shivlab\/\">Shiv Technolabs<\/a> offers top-notch development services. Get in touch today!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Node.js modules simplify code organization, allowing developers to structure applications efficiently. This guide explains types, built-in features, and exporting methods.<\/p>\n","protected":false},"author":4,"featured_media":19997,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-19970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-development"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Node.js Modules: Types, Usage &amp; Exporting Explained<\/title>\n<meta name=\"description\" content=\"Get insights into Node.js modules, their types, built-in features, and exporting methods to structure applications efficiently using modular programming.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/167.86.116.248\/shivlab\/blog\/nodejs-modules-types-uses-exporting\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Node.js Modules: Types, Usage &amp; Exporting Explained\" \/>\n<meta property=\"og:description\" content=\"Get insights into Node.js modules, their types, built-in features, and exporting methods to structure applications efficiently using modular programming.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/167.86.116.248\/shivlab\/blog\/nodejs-modules-types-uses-exporting\/\" \/>\n<meta property=\"og:site_name\" content=\"Shiv Technolabs Pvt. 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