how to install using yarn code example
Example 1: yarn add install all packages in package,json
yarn install
Example 2: install dev dependency yarn
yarn add nameOfPackage --dev
Example 3: yarn react install
There are two ways where you can initiate a REACT app..
1. Using npm : npm init react-app <app_name>
example : npm init react-app sampleApp
2. Using yarn : yarn create react-app <app_name>
example : yarn create react-app sampleApp