A Complete Guide to Using Yarn Package Manager for Node.js
This guide will show you how to install and use Yarn for Node.js. We will cover the following topics:
- Installing Yarn
- Managing dependencies with Yarn
- Updating and removing packages with Yarn
- Listing installed packages with Yarn
Prerequisites:
To follow this guide, you will need the following:
- A Node.js installation
- A text editor or IDE
Yarn is a package manager that is similar to npm, but it has some advantages, such as faster installation and update times, and better dependency management. To install Yarn, you can use the following steps:
Step 1: Make sure you have Node.js installed. You can check if you have Node.js installed by running the following command in your terminal:
node -v
If you don't have Node.js installed, you can download it from the Node.js website: https://nodejs.org/en/download/.
Step 2: Once you have Node.js installed, you can install Yarn using the following command:
npm install -g yarn
The -g flag tells npm to install Yarn globally, so that you can use it from any directory.
Step 3: The -g flag tells npm to install Yarn globally, so that you can use it from any directory.
yarn --version
You should see the version of Yarn that has been installed.
Once Yarn has been installed, you can use it to install and manage packages for your Node.js projects. To install a package, run the following command:
yarn add <package-name>
For example, to install the express package, you would run the following command:
yarn add express
Yarn will download the latest version of the express package and install it in your project directory.
To update a package, run the following command:
yarn upgrade <package-name>
For example, to update the express package to the latest version, you would run the following command:
yarn upgrade express
Yarn will download the latest version of the express package and install it in your project directory, overwriting the old version.
To list all of the packages that have been installed in your project, run the following command:
yarn list
This will output a list of all of the packages, along with their versions.
To remove a package from your project, run the following command:
yarn remove <package-name>
For example, to remove the express package, you would run the following command:
yarn remove express
Yarn will remove the express package from your project directory.
For more information on how to use Yarn, you can visit the Yarn documentation: https://yarnpkg.com/lang/en/docs/