NodeJS and NPM are only available in Debian Sid.

Here is a simple Python script for:

• Download and install the latest NodeJS version
• Download and install NPM

That's all folks !

In a console/terminal of you Debian distribution, enter the following commands:

  $ cd /tmp

  $ git clone git:https://github.com/nicolargo/nodeautoinstall.git
  $ cd nodeautoinstall
  or
  $ wget https://raw.github.com/nicolargo/nodeautoinstall/master/nodeautoinstall.py

  $ sudo python ./nodeautoinstall.py