Node.js Packages

Anatomy of a package

Technically, a package is a folder containing the following elements:

• A package.json file that describes the application and its dependencies.
• A entry point into the application, defaulting to the index.js file.
• A node_modules/ subfolder, which is the default place where Node looks for modules to be loaded into the application.
• All the other files forming the source code of the application.

The package.json file

This JSON file describes the application and its dependencies, you can think of it as the app’s ID document. It has a well-defined format ...