How to Install Yarn on Debian 10 Buster

Yarn is a fast and reliable JavaScript package manager. Which allows to install, update, configure, and remove npm packages with multiple benefits over npm. It solves the problems with npm and includes faster rate of package downloads, ability to download offline packages, reduce connectivity issues and auto-generation of lock files. This tutorial explains how to install Yarn on Debian 10 system.

Install Yarn on Debian 10#

Before starting yarn installation, don’t forgot to install Node.js on your system.

Follow the below steps as root or user with sudo privileges to install Yarn on Debian 10:

Step 1 – Import GPG Key#

Yarn repository includes the Yarn package. To import the repository’s GPG key and enable apt repository, run the following commands:

curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -

echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list

Step 2 – Install Yarn#

Once the repository is enabled, update the package index and install Yarn, type:

sudo apt update

sudo apt install yarn

Step 3 – Verify Installation#

To verify the installation check the version by typing:

yarn --version

1.22.4

Use of Yarn#

At this stage, Yarn is installed on your Debian system. Now we will some basic usage of Yarn commands:

Create a new project#

You need to use yarn init command followed by the project name to create a new Yarn project. For example, to create a project with name demo type:

yarn init demo

You will be prompted for few questions. Give answers for it or you can skip by pressing Enter key.

It will create a package.json file which contains all the information which you provided.

For existing project you also can initiate yarn, navigate to directory and run:

yarn init

Adding dependency#

Add a package to your project, use the yarn add command followed by the package name:

yarn add PACKAGE_NAME

The above command will install latest version of the package and update the project’s package.json and yarn.lock files. For a specific version of package specify version as following:

yarn add PACKAGE_NAME@VERSION

Upgrading dependency#

You can update the packages by simple use of following command:

yarn upgrade

It will update all the project dependencies to their latest version. You can specify the package name and version for specific update.

Removing dependency#

To remove a package from the project’s dependencies, use the yarn remove command followed by the package name:

yarn remove PACKAGE_NAME

Installing all project dependencies#

To install all the dependencies of an existing project that are specified in the package.json file run:

yarn install

Conclusion#

You learned how to install Yarn and use of common commands on Debian 10 system. You can learn more about Yarn at documentation page.

If you have any questions or suggestion, leave a comment below.