$ sudo apt-get update
$ sudo apt-get install node-yajsml 

node-yajsml is installed in your system.

Make ensure the node-yajsml package were installed using the commands given below,

$ sudo dpkg-query -l | grep node-yajsml *

You will get with node-yajsml package name, version, architecture and description in a table

node-yajsml package basic information: