Since we are now only building Babel on Node.js 14 (even if we still test it on Node.js 6), we can use native ECMAScript modules for the build scripts:

• Top-level scripts
  There are a bunch of scripts/tests in the scripts folder: they can probably all be rewritten to ES modules.
  We can probably add "type": "module" to the top

Steps to reproduce

1. Create a free site you wish to delete
2. Head over to Settings -> Delete site at https://wordpress.com/settings/delete-site/{your_new_site}
3. Delete the site and enter the site address
4. Cancel site deletion and close the modal
5. Open the delete site modal again

What I expected

The site address field to be empty. This is a safe guard to prevent acciden

Expected Behavior

We should have some extra basic accessors for the heatmap:

• locale
• loadingState
• isAnimated
• numberFormat?

Difference from Current Behavior

The curr