Disable 'more posts' list in footer of Lens

lens-disabled-more-posts.php

<?php
/**
 * Plugin Name: Lens disable more posts on .
 * Plugin URI: https://prothemedesign.com
 * Description: Disable Lens 'more posts' functionality for logged out users.
 * Author: Ben Gillbanks
 * Version: 1.0
 * Author URI: https://prothemedesign.com
 *
 * @package ptd
 */

/**
 * If a user is logged out then hide the more posts content.
 */
function lens_disable_more_posts_logged_out( $amount ) {

	if ( is_user_logged_in() ) {
		return $amount;
	}

	return 'disable';

}

add_filter( 'lens_more_posts_quantity', 'lens_disable_more_posts_logged_out' );


/**
 * Disable footer 'more posts' if the query is set correctly.
 */
function lens_more_posts_pre_get_posts( $query ) {

	if ( 'disable' === $query->query[ 'posts_per_page' ] ) {
		// Set the category to an unlikely number. Not foolproof but should be fine.
		$query->set( 'cat', 9999999999999 );
	}

}

add_action( 'pre_get_posts', 'lens_more_posts_pre_get_posts' );