Similar solutions:

• Artifactory
• Package cloud
• Verdaccio

References:

• NPM registry internals
• CommonJS Package Registry specification
• The JavaScript Package Registry

This is the dependency you need:

<dependency>
  <groupId>com.artipie</groupId>
  <artifactId>npm-adapter</artifactId>
  <version>[...]</version>
</dependency>

How it works?

First, you upload a json file generated by npm publish. Then, you call Npm#publish, which triggers meta.json file update/generation and .tgz source code archives creation.

This gives anything you need to respond on a series of requests generated by npm intall <package_name> command.

An example of meta.json can be found here

How to contribute

Fork repository, make changes, send us a pull request. We will review your changes and apply them to the master branch shortly, provided they don't violate our quality standards. To avoid frustration, before sending us your pull request please run full Maven build:

$ mvn clean install -Pqulice

To avoid build errors use Maven 3.2+.