Helper plugin that excludes all Google Site Kit assets from SG optimizations

sg-cachepress-google-site-kit-exclude.php

<?php
/**
 * Plugin Name: Speed Optimizer - Google Site Kit Exclude
 * Description: Helper plugin that excludes all Google Site Kit assets from SG optimizations.
 * Author: Evan Mattson
 * Version: 1.0.0
 * Requires PHP: 7.4
 */

// Prevent direct access.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Create a filter callback that excludes Google Site Kit handles.
 *
 * @param string $type Either 'scripts' or 'styles'.
 * @return callable Filter callback function.
 */
function sg_cachepress_create_exclude_callback( $type ) {
	return function ( $excluded_items ) use ( $type ) {
		$wp_deps = 'scripts' === $type ? wp_scripts() : wp_styles();
		$googlesitekit_handles = array_filter(
			array_keys( $wp_deps->registered ),
			fn( $handle ) => 0 === strpos( $handle, 'googlesitekit' )
		);
		return array_merge( (array) $excluded_items, $googlesitekit_handles );
	};
}

// JavaScript exclusions.
add_filter( 'sgo_js_minify_exclude', sg_cachepress_create_exclude_callback( 'scripts' ) );
add_filter( 'sgo_javascript_combine_exclude', sg_cachepress_create_exclude_callback( 'scripts' ) );
add_filter( 'sgo_js_async_exclude', sg_cachepress_create_exclude_callback( 'scripts' ) );

// CSS exclusions.
add_filter( 'sgo_css_minify_exclude', sg_cachepress_create_exclude_callback( 'styles' ) );
add_filter( 'sgo_css_combine_exclude', sg_cachepress_create_exclude_callback( 'styles' ) );