yarn add code example

Example 1: install yarn

npm install -g yarn

Example 2: add dev dependency yarn

yarn add -D package
//or
yarn add --dev package

Example 3: install dev dependency yarn

yarn add nameOfPackage --dev

Example 4: yarn add to dev

yarn add --dev <PACKAGE_NAME>

Example 5: yarn add --save-exact

yarn add <package...> [--exact/-E]