How to Install Yarn on MacOS

Yarn is a new package manager for JavaScript and the primary tool used by Facebook to manage its source code. As of this writing, Yarn has approximately 370 contributors and is used by notable tech companies such as Airbnb, Dropbox, Uber, Google, and Netflix. If you’re reading this article, it means that you’re probably interested in installing Yarn on your Mac so you can use it to manage your personal projects or help teammates collaborate effectively at work.

In this tutorial, we’ll show you how to install Yarn on Mac OS in five simple steps.

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Installing Yarn on macOS

Choose one of the below-given methods to install Yarn on the macOS system. All the methods are secure and easy to follow.

Method 1 – Using Homebrew

You can install Yarn using the Homebrew package manager on the macOS system. Homebrew is a package manager for macOS operating system that provides an easier way to install and manage packages on your system.

To install Yarn on macOS, open a terminal and type:

brew install yarn 

Make sure you have installed Homebrew on your macOS system.

Method 2 – Using Shell Script

Another way to easily install Yarn on macOS. This is a shell script provided officially for installing Yarn on different Unix/Linux operating systems.

You can install Yarn by running the following code in your terminal:

curl -o- -L https://yarnpkg.com/install.sh | bash 

The script will verify the GPG signature first before the installation. So it is also a secure way to install Yarn on macOS systems.

Check Yarn Version

Once the Yarn installation is completed, execute the following command to verify the yarn version.

yarn --version 

1.22.4

Working with Yarn Package Manager

As of now, you have successfully installed Yarn on the macOS system. Let’s explore some basic uses of the Yarn command line.

Create and initialize a new project

Use yarn init under a empty folder to create new project.

yarn init 

The command will go through an interactive session asking a few questions. Input the required values and press Enter. This will generate a package.json file in current directory.

yarn init v1.22.4
question name (new_project): my-package
question version (1.0.0):
question description: Test package
question entry point (index.js):
question repository url: https://github.com/tecadmin/my-yarn-package
question author: Rahul
question license (MIT):
question private:
success Saved package.json
Done in 84.90s.

Adding a new module

Use yarn add command to install new dependency to your existing application. You need to specify the package name to add. It will also make a entry in package.json as dependency.

yarn add [package] 

Also, you can specify the package version or tag to select the correct package version instead of the latest version.

yarn add [package]@[version] 
yarn add [package]@[tag] 

Upgrading a dependency

Use the yarn upgrade command to upgrade already installed packages in your application.

yarn upgrade [package] 

You can also specify a version or tag name to upgrade to specific versions.

yarn upgrade [package]@[version] 
yarn upgrade [package]@[tag] 

Removing a dependency

If any of the packages is not more required, remove it from your application.

yarn remove [package] 

Using yarn install

This will install all the packages dependencies defined in package.json file.

yarn install 

yarn install is the default action of the yarn command without passing any subcommand.

Conclusion

This tutorial explained to you to install yarn on the macOS system. Also explored the details to work with the yarn package manager.