tegrate Blocks with the Google Analytics extension, */ class GoogleAnalytics { /** * Instance of the asset API. * * @var AssetApi */ protected $asset_api; /** * Constructor. * * @param AssetApi $asset_api Instance of the asset API. */ public function __construct( AssetApi $asset_api ) { $this->asset_api = $asset_api; } /** * Hook into WP. */ public function init() { // Require Google Analytics Integration to be activated. if ( ! class_exists( 'WC_Google_Analytics_Integration', false ) ) { return; } add_action( 'init', array( $this, 'register_assets' ) ); add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) ); add_filter( 'script_loader_tag', array( $this, 'async_script_loader_tags' ), 10, 3 ); } /** * Register scripts. */ public function register_assets() { $this->asset_api->register_script( 'wc-blocks-google-analytics', 'assets/client/blocks/wc-blocks-google-analytics.js', [ 'google-tag-manager' ] ); } /** * Enqueue the Google Tag Manager script if prerequisites are met. */ public function enqueue_scripts() { $settings = $this->get_google_analytics_settings(); $prefix = strstr( strtoupper( $settings['ga_id'] ), '-', true ); // Require tracking to be enabled with a valid GA ID. if ( ! in_array( $prefix, [ 'G', 'GT' ], true ) ) { return; } /** * Filter to disable Google Analytics tracking. * * @internal Matches filter name in GA extension. * @since 4.9.0 * * @param boolean $disable_tracking If true, tracking will be disabled. */ if ( apply_filters( 'woocommerce_ga_disable_tracking', ! wc_string_to_bool( $settings['ga_event_tracking_enabled'] ) ) ) { return; } if ( ! wp_script_is( 'google-tag-manager', 'registered' ) ) { // Using an array with strategies as the final argument to wp_register_script was introduced in WP 6.3. // WC requires at least 6.3 at the point of adding this, so it's safe to leave in without version checks. // phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion wp_register_script( 'google-tag-manager', 'https://www.googletagmanager.com/gtag/js?id=' . $settings['ga_id'], [], null, [ 'in_footer' => false, 'strategy' => 'async', ] ); wp_add_inline_script( 'google-tag-manager', " window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', '" . esc_js( $settings['ga_id'] ) . "', { 'send_page_view': false });" ); } wp_enqueue_script( 'wc-blocks-google-analytics' ); } /** * Get settings from the GA integration extension. * * @return array */ private function get_google_analytics_settings() { return wp_parse_args( get_option( 'woocommerce_google_analytics_settings' ), [ 'ga_id' => '', 'ga_event_tracking_enabled' => 'no', ] ); } /** * Add async to script tags with defined handles. * * @param string $tag HTML for the script tag. * @param string $handle Handle of script. * @param string $src Src of script. * @return string */ public function async_script_loader_tags( $tag, $handle, $src ) { if ( ! in_array( $handle, array( 'google-tag-manager' ), true ) ) { return $tag; } // If script was output manually in wp_head, abort. if ( did_action( 'woocommerce_gtag_snippet' ) ) { return ''; } return str_replace( '