yarn add to dev code example
Example 1: add dev dependency yarn
yarn add -D package
//or
yarn add --dev package
Example 2: yarn add specific version
// for specific versions
yarn add [email protected]
Example 3: install dev dependency yarn
yarn add nameOfPackage --dev
Example 4: yarn add to dev
yarn add --dev
Example 5: yarn add --save-exact
yarn add [--exact/-E]