At its core, npm is a command-line tool that allows developers to easily install, manage, and share reusable code modules, also known as packages or libraries. These packages can range from small utility functions to complex frameworks, making it easier for developers to build applications by leveraging existing code.
One of the key features of npm is its vast and ever-growing registry of packages. With over a million packages available, developers can find solutions to almost any problem they encounter during their development process. This extensive collection of packages saves developers time and effort by providing them with ready-made solutions that they can integrate into their projects.
npm also offers a powerful dependency management system. When a developer installs a package, npm automatically resolves and installs any dependencies required by that package. This ensures that all the necessary dependencies are correctly installed and compatible with each other, reducing the chances of conflicts or compatibility issues.
Another notable feature of npm is its versioning system. Each package in the registry has a version number associated with it, allowing developers to specify which version of a package they want to use. This versioning system enables developers to manage and control the dependencies of their projects effectively.