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]
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
© 2016–2017 Yarn Contributors
Licensed under the BSD License.
https://yarnpkg.com/en/docs/usage