NPM (Node Package Manager) is a package manager for JavaScript that simplifies the process of using and publishing packages. This document provides an overview of NPM and its features.
Features of NPM
- Dependency Management: NPM allows you to manage the dependencies of your projects efficiently.
- Package Publishing: You can publish your own packages to the NPM registry for others to use.
- Versioning: NPM supports semantic versioning for packages.
- Shrinkwrap: It locks down the exact versions of packages used in your project to ensure consistency.
Getting Started with NPM
To get started with NPM, you first need to install Node.js. Once installed, you can use NPM to manage your projects.
Install Node.js
You can download and install Node.js from the official Node.js website.
Initialize a New Project
Create a new directory for your project and navigate into it. Then, run the following command to initialize a new NPM project:
npm init
This command will guide you through setting up the necessary configuration for your project.
Install Packages
To install packages for your project, use the following command:
npm install <package-name>
For example, to install the Express framework, you would run:
npm install express
Useful NPM Commands
Here are some commonly used NPM commands:
npm install: Install packages.npm list: List installed packages.npm uninstall: Uninstall packages.npm run: Run scripts defined inpackage.json.
Resources
For more information on NPM, you can refer to the following resources:
