Setup Axios for the WordPress Rest Api https://since1979.dev/snippet-014-setup-axios-for-the-wordpress-rest-api/

enqueue-script-for-rest-api-in-admin.php

<?php
/**
 * Hook: admin_enqueue_scripts.
 *
 * @uses add_action() https://developer.wordpress.org/reference/functions/add_action/
 * @uses admin_enqueue_scripts https://developer.wordpress.org/reference/hooks/admin_enqueue_scripts/
 */
add_action('admin_enqueue_scripts', 'namespace_enqueue_scripts', 100, 0);
?>