When you are on the page and post, add head: css js

Litalino

I have the following code in extend.php:

return [

    (new Extend\Frontend('forum'))
        ->content(function (Document $document, Request $request) {
            $document->head[] =
                '<link rel="stylesheet" href="...." />
                <script src="..." crossorigin=""></script>';
        }),
];

When any user is in: page or post page, then add the above code in the "head" tag. How to do it correctly?

Currently I only load the code below when using f5 button press otherwise it doesn't load

if (in_array($request->getAttribute('routeName'), ['discussion', 'discussions.create', 'posts.create'])) {
                $document->head[] =
                '<link rel="stylesheet" href="" />';
                $document->foot[] =
                '<script src=""></script>';
 }

Thank you for your help