// Customize product permalink - remove post type slug
add_filter( 'post_type_link', function( $post_link, $post, $leavename ){
if( 'product' != $post->post_type || 'publish' != $post->post_status ) {
return $post_link;
}
$post_link = str_replace( '/'. $post->post_type . '/', '/', $post_link );
return $post_link;
}, 10, 3 );
add_action( 'pre_get_posts', function( $query ){
if ( ! $query->is_main_query() || 2 != count( $query->query ) || ! isset( $query->query['page'] ) ) {
return;
}
if ( ! empty( $query->query['name'] ) ) {
$query->set( 'post_type', array( 'post', 'product', 'page' ) );
}
} , 999);