Node.js By Example

Managing and distributing packages

Once we understand the idea of require and exports, we should start thinking about grouping our logic into building blocks. In the Node.js world, these blocks are called modules (or packages). One of the reasons behind the popularity of Node.js is its package management.

Node.js normally comes with two executables—node and npm. NPM is a command-line tool that downloads and uploads Node.js packages. The official site, https://npmjs.org/, acts as a central registry. When we create a package via the npm command, we store it there so that every other developer may use it.

Creating a module

Every module should live in its own directory, which also contains a metadata file called package.json. In this file, we have set ...