Jquery is not defined

Hello!

When I am logged in on my site and the plugin’s toolbar is displayed at the top, an error occurs:
Uncaught ReferenceError: jQuery is not defined
at toolbar.js?ver=1555418416:2

Couldn’t this be easily fixed if jquery is added as $deps in the admin-toolbar.php when the toolbar.js is loaded?

public function load_toolbar_js(){
wp_enqueue_script(“wpfc-toolbar”, plugins_url(“wp-fastest-cache/js/toolbar.js”), array(“jquery”), time(), true);
}

If I am wrong or this is not really considered an issue, my apologies…