Install ruby-sprockets by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-sprockets
Description:
Rack-based asset packaging system
Sprockets is a Rack-based asset packaging system that concatenates and serves JavaScript, CoffeeScript, CSS, LESS, Sass, and SCSS.
Homepage: http://getsprockets.org/
Version: 3.7.0-1
Section: universe/ruby