Vitux published a tutorial about installing Yarn JS (Node) package manager on Debian 11.

How to Install Yarn JS (Node) Package Manager on Debian 11

Yarn is a package manager for Javascript. It is meant to replace npm (node package manager). Yarn uses a different way to install packages. Instead of installing from the registry, it installs packages from other nodes in your network that 

How to Install Yarn JS (Node) Package Manager on Debian 11 – VITUX