Yarn installation and use

1. yarn Installation

// adopt node Package manager for yarn Global installation of 
npm install -g yarn

// Use... After installation 
yarn -version// see yarn edition 

2. yarn Initialize project

yarn init
 Usage and npm init It's the same 

3. Use yarn Install upgrade uninstall dependency

yarn add [package]       // install 
yarn upgrade [package]   // upgrade 
yarn remove [package]    // uninstall 

4. The installation project all depends on

yarn perhaps yarn install Download project dependencies