
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.
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