How to hide products in a catalog without a thumbnail?

Question

WordPress

The bottom line is, you need to hide products in the catalog that do not have a thumbnail, converting them to drafts is not an option (there are too many of them) and as you add an image to the product, it would automatically appear in the catalog ..
I tried to write a check, the stone flower did not come out

Answer 1

Try adding meta_query via the pre_get_posts hook, see if there is a _wp_attached_file entry