Add some items to your cart and visit the Checkout block, notice there is additional data on the block that this template has added.
### Installing `wp-prettier` (optional)
WooCommerce Blocks uses `wp-prettier` to format the JS files. If you want to use `wp-prettier`, you will need to run the following command:
```sh
nvm use && npm i --D "prettier@npm:wp-prettier@latest"
```
### Installing `wp-env` (optional)
`wp-env` lets you easily set up a local WordPress environment for building and testing your extension. If you want to use `wp-env`, you will need to run the following command:
```sh
nvm use && npm i -D @wordpress/env&& npm set-script wp-env "wp-env"