Usage

Now that you have Yarn installed, you can start using Yarn. Here are some of the most common commands you’ll need.

Starting a new project

yarn init

Adding a dependency

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

Adding a dependency to different categories of dependencies

Add to devDependencies, peerDependencies, and optionalDependencies respectively:

yarn add [package] --dev
yarn add [package] --peer 
yarn add [package] --optional

Upgrading a dependency

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

Removing a dependency

yarn remove [package]

Installing all the dependencies of project

yarn

or

yarn install
← Installation
Additional Reading
The Yarn Workflow

How do I use Yarn? There are basic workflows for both creating and consuming Yarn packages that will help you get productive quickly.

CLI Commands

Yarn is executed through a rich set of commands allowing package installation, administration, publishing, and more.