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wp-content/plugins/jetpack-boost/app/modules/optimizations/minify/class-minify-common.php

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+<?php
+namespace Automattic\Jetpack_Boost\Modules\Optimizations\Minify;
+
+use Automattic\Jetpack\Schema\Schema;
+use Automattic\Jetpack\WP_JS_Data_Sync\Data_Sync;
+use Automattic\Jetpack_Boost\Contracts\Has_Activate;
+use Automattic\Jetpack_Boost\Contracts\Has_Data_Sync;
+use Automattic\Jetpack_Boost\Contracts\Has_Deactivate;
+use Automattic\Jetpack_Boost\Contracts\Is_Always_On;
+use Automattic\Jetpack_Boost\Contracts\Optimization;
+use Automattic\Jetpack_Boost\Contracts\Sub_Feature;
+
+class Minify_Common implements Sub_Feature, Optimization, Is_Always_On, Has_Activate, Has_Deactivate, Has_Data_Sync {
+
+	/**
+	 * Setup the module. This runs on every page load.
+	 */
+	public function setup() {
+		require_once JETPACK_BOOST_DIR_PATH . '/app/lib/minify/functions-helpers.php';
+
+		jetpack_boost_minify_init();
+	}
+
+	public static function get_slug() {
+		return 'minify_common';
+	}
+
+	public function register_data_sync( Data_Sync $instance ) {
+		$instance->register_readonly(
+			'minify_legacy_notice',
+			Schema::as_unsafe_any(),
+			array( self::class, 'show_legacy_notice' )
+		);
+	}
+
+	public static function is_available() {
+		return true;
+	}
+
+	public static function show_legacy_notice() {
+		// If the JETPACK_BOOST_DISABLE_404_TESTER is set and true, we don't need to show the legacy notice.
+		if ( defined( 'JETPACK_BOOST_DISABLE_404_TESTER' ) && JETPACK_BOOST_DISABLE_404_TESTER ) {
+			return false;
+		}
+
+		// If this is a multisite, and the user is not a super admin, don't show the legacy notice, as they won't be able to do anything about it.
+		if ( is_multisite() && ! current_user_can( 'manage_network_options' ) ) {
+			return false;
+		}
+
+		// If the static minfification has not ran yet, don't show the legacy notice.
+		$static_minification_enabled = get_site_option( 'jetpack_boost_static_minification', 'na' );
+		if ( $static_minification_enabled === 'na' ) {
+			return false;
+		}
+
+		// Otherwise show it if the 404 tester determined it can't be used.
+		return ! (bool) $static_minification_enabled;
+	}
+
+	/**
+	 * This is called when either minify module is activated
+	 */
+	public static function activate() {
+		jetpack_boost_minify_activation();
+	}
+
+	/**
+	 * This is called when either minify module is deactivated.
+	 */
+	public static function deactivate() {
+		jetpack_boost_minify_clear_scheduled_events();
+	}
+
+	public static function get_parent_features(): array {
+		return array(
+			Minify_JS::class,
+			Minify_CSS::class,
+		);
+	}
+}

wp-content/plugins/jetpack-boost/app/modules/optimizations/minify/class-minify-css.php

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+<?php
+
+namespace Automattic\Jetpack_Boost\Modules\Optimizations\Minify;
+
+use Automattic\Jetpack\Schema\Schema;
+use Automattic\Jetpack\WP_JS_Data_Sync\Data_Sync;
+use Automattic\Jetpack_Boost\Contracts\Changes_Output_After_Activation;
+use Automattic\Jetpack_Boost\Contracts\Changes_Output_On_Activation;
+use Automattic\Jetpack_Boost\Contracts\Feature;
+use Automattic\Jetpack_Boost\Contracts\Has_Data_Sync;
+use Automattic\Jetpack_Boost\Contracts\Has_Deactivate;
+use Automattic\Jetpack_Boost\Contracts\Optimization;
+use Automattic\Jetpack_Boost\Data_Sync\Minify_Excludes_State_Entry;
+use Automattic\Jetpack_Boost\Lib\Minify\Concatenate_CSS;
+
+class Minify_CSS implements Feature, Changes_Output_On_Activation, Changes_Output_After_Activation, Optimization, Has_Deactivate, Has_Data_Sync {
+
+	public static $default_excludes = array( 'admin-bar', 'dashicons', 'elementor-app' );
+
+	/**
+	 * Setup the module. This runs on every page load.
+	 */
+	public function setup() {
+		if ( jetpack_boost_page_optimize_bail() ) {
+			return;
+		}
+
+		add_action( 'init', array( $this, 'init_minify' ) );
+	}
+
+	public function register_data_sync( Data_Sync $instance ) {
+		$parser = Schema::as_array( Schema::as_string() )->fallback( self::$default_excludes );
+
+		$instance->register( 'minify_css_excludes', $parser, new Minify_Excludes_State_Entry( 'minify_css_excludes' ) );
+
+		$instance->register_readonly(
+			'minify_css_excludes_default',
+			Schema::as_unsafe_any(),
+			function () {
+				return Minify_CSS::$default_excludes;
+			}
+		);
+	}
+
+	public static function get_slug() {
+		return 'minify_css';
+	}
+
+	public static function get_change_output_action_names() {
+		return array( 'update_option_' . JETPACK_BOOST_DATASYNC_NAMESPACE . '_minify_css_excludes' );
+	}
+
+	public static function is_available() {
+		return true;
+	}
+
+	public function init_minify() {
+		global $wp_styles;
+
+		// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
+		$wp_styles                         = new Concatenate_CSS( $wp_styles );
+		$wp_styles->allow_gzip_compression = true; // @todo - used constant ALLOW_GZIP_COMPRESSION = true if not defined.
+	}
+
+	/**
+	 * This is called only when the module is deactivated.
+	 */
+	public static function deactivate() {
+		jetpack_boost_page_optimize_cleanup_cache( 'css' );
+	}
+}

wp-content/plugins/jetpack-boost/app/modules/optimizations/minify/class-minify-js.php

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+<?php
+
+namespace Automattic\Jetpack_Boost\Modules\Optimizations\Minify;
+
+use Automattic\Jetpack\Schema\Schema;
+use Automattic\Jetpack\WP_JS_Data_Sync\Data_Sync;
+use Automattic\Jetpack_Boost\Contracts\Changes_Output_After_Activation;
+use Automattic\Jetpack_Boost\Contracts\Changes_Output_On_Activation;
+use Automattic\Jetpack_Boost\Contracts\Feature;
+use Automattic\Jetpack_Boost\Contracts\Has_Data_Sync;
+use Automattic\Jetpack_Boost\Contracts\Has_Deactivate;
+use Automattic\Jetpack_Boost\Contracts\Optimization;
+use Automattic\Jetpack_Boost\Data_Sync\Minify_Excludes_State_Entry;
+use Automattic\Jetpack_Boost\Lib\Minify\Concatenate_JS;
+
+class Minify_JS implements Feature, Changes_Output_On_Activation, Changes_Output_After_Activation, Optimization, Has_Deactivate, Has_Data_Sync {
+
+	public static $default_excludes = array( 'jquery', 'jquery-core', 'underscore', 'backbone' );
+
+	/**
+	 * Setup the module. This runs on every page load.
+	 */
+	public function setup() {
+		if ( jetpack_boost_page_optimize_bail() ) {
+			return;
+		}
+
+		add_action( 'init', array( $this, 'init_minify' ) );
+	}
+
+	public function register_data_sync( Data_Sync $instance ) {
+		$parser = Schema::as_array( Schema::as_string() )->fallback( self::$default_excludes );
+
+		$instance->register( 'minify_js_excludes', $parser, new Minify_Excludes_State_Entry( 'minify_js_excludes' ) );
+
+		$instance->register_readonly(
+			'minify_js_excludes_default',
+			Schema::as_unsafe_any(),
+			function () {
+				return Minify_JS::$default_excludes;
+			}
+		);
+	}
+
+	public static function get_slug() {
+		return 'minify_js';
+	}
+
+	public static function get_change_output_action_names() {
+		return array( 'update_option_' . JETPACK_BOOST_DATASYNC_NAMESPACE . '_minify_js_excludes' );
+	}
+
+	public static function is_available() {
+		return true;
+	}
+
+	public function init_minify() {
+		global $wp_scripts;
+
+		// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
+		$wp_scripts                         = new Concatenate_JS( $wp_scripts );
+		$wp_scripts->allow_gzip_compression = true; // @todo - used constant ALLOW_GZIP_COMPRESSION = true if not defined.
+	}
+
+	/**
+	 * This is called only when the module is deactivated.
+	 */
+	public static function deactivate() {
+		jetpack_boost_page_optimize_cleanup_cache( 'js' );
+	}
+}