How to Install Yarn on CentOS 8

Yarn is an open-source JavaScript package manager for Node.Js. It allows to install, update, configure, and remove npm packages with multiple benefits over npm. It 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 CentOS 8 system.

Install Yarn on CentOS#

Before starting yarn installation, Make sure you have Install Node.js on your CentOS system.

Perform the following steps as root or user with sudo privileges to install Yarn on CentOS system:

Step 1 – Enable Yarn Repository#

To enable yarn repository and import the repository’s GPG key , run the following commands:

curl --silent --location https://dl.yarnpkg.com/rpm/yarn.repo | sudo tee /etc/yum.repos.d/yarn.repo

sudo rpm --import https://dl.yarnpkg.com/rpm/pubkey.gpg

Step 2 – Install Yarn#

Once the repository is enabled, install yarn using:

sudo yum install yarn

Step 3 – Verify Installation#

To verify the installation check the version by typing:

yarn --version

1.22.4

Use of Yarn#

Now, yarn is installed on your CentOS system. 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#

To 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#

We have show how to install Yarn and use of common commands on CentOS 8 machine. You can learn more about Yarn at documentation page.

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