Mini-plugin to force exclude Web Stories from the built-in WordPress search results

web-stories-exclude-from-search.php

<?php
/**
 * Plugin Name: Web Stories Force Exclude From Search
 * Description: Web Stories are by default excluded from the built-in WordPress search results. But some plugins might be interfering with that. This plugin tries to force-exclude stories again.
 * Plugin URI: https://wp.stories.google/
 * Author: Pascal Birchler, Google
 * Author URI: https://opensource.google.com/
 * Version: 0.0.2
 * License: Apache License 2.0
 * License URI: https://www.apache.org/licenses/LICENSE-2.0
 */

add_filter(
	'register_post_type_args',
	static function ( $args, $name ) {
		if ( 'web-story' === $name ) {
			$args['exclude_from_search'] = true;
		}

		return $args;
	},
	10,
	PHP_INT_MAX
);