How do I create a custom module in node JS?

How do I create a custom module in node JS?

How to create your own Node. js module

1. Download & install Node. js.
2. Create a Node project. Create an empty project using the following commands: mkdir MyCoolModule.
3. Write your module. There should now be a package.
4. Publish the module to NPM (Node Package Manager)
5. Test your module.

How do I publish a node module?

Create a GitHub repo

1. Create a new repo on GitHub and call it “number-formatter” (make sure you check the README box, add a .gitignore file for Node, and a MIT license)
2. Clone it locally.

Which is the NPM command that can be used to create and extend node js modules?

NPM (Node Package Manager) Publish Package By publishing your module to a central location, you are then not burdened with having to install yourself on every machine that requires it. Instead, you can use the install command of npm and install your published npm module.

What is Nodemodule?

In Node. js, Modules are the blocks of encapsulated code that communicates with an external application on the basis of their related functionality. Modules can be a single file or a collection of multiples files/folders.

How to create a module in Node.js?

Modules are popular as they are easy to use and are reusable. To create a module in Node.js, you will need the exports keyword. This keyword tells Node.js that the function can be used outside the module.

How to include a function in Node.js?

A set of functions you want to include in your application. Node.js has a set of built-in modules which you can use without any further installation. Look at our Built-in Modules Reference for a complete list of modules. To include a module, use the require () function with the name of the module: res.end(‘Hello World!’);

How to create a JSON file in Node.js?

To create a package.json file, on the command line, in the root directory of your Node.js module, run npm init: For scoped modules, run npm init –scope=@scope-name For unscoped modules, run npm init Provide responses for the required fields (name and version), as well as the main field:

How is exports keyword used in Node.js?

The exports keyword references a global object available in every Node.js module. All functions and objects stored in a module’s exports object are exposed when other Node.js modules import it. The getRandomColor () function was created directly on the exports object, for example.