Sad.ly, I think this article needs updating, Fatty:

PS C:\Users\lanni> npm -v

10.2.4

PS C:\Users\lanni> npm visnup

Unknown command: "visnup"

To see a list of supported npm commands, run:

npm help

PS C:\Users\lanni> npm xmas

Unknown command: "xmas"

To see a list of supported npm commands, run:

npm help

PS C:\Users\lanni>