Need feedback about improvement of this code

I have found today this little plugin and I checked the code. I think there is a little improvement in one of the filters.
I post it here, just in case someone can give me feedback on the code.
It seems to work for me. I have assigned the same category to post and pages and the pages are listed in the category page.

// error_log($wp_query->get(‘post_type’));
if ( empty($wp_query->get(‘post_type’)) || $wp_query->get(‘post_type’) === ‘post’){

if ($wp_query->get(‘tag’)) $wp_query->set(‘post_type’, [‘post’,’page’]);
// category query
if ($wp_query->get(‘category_name’)) $wp_query->set(‘post_type’, [‘post’,’page’]);
}`

I modified the hook ‘pre_get_posts’ to set post_type only for post type ‘post’ or ’empty’ and sets only two post types. Otherwise it does the same for different post_types as menus and other post types (Contact Forms) that share ‘posts’ database.
Un-comment the error_log line to see how many times the hook is called.