YARN #yarn

yarn-commands

// upgrade yarn version
brew upgrade yarn

// create a package.json file asking for
// - name (node)
// - version (1.0.0)
// - description ()
// - author ()
yarn init

// version of yarn installed
yarn --version

// look for package.json and install modules
yarn install

//install module and save it to the package.json dependencies
yarn add <module>

//install module globally
yarn global add <module>

//install module and save it to the package.json devDependencies
yarn add <module> --dev
yarn add <module> -D

//remove module from dependencies
yarn remove <module>