<?php namespace Automattic\WooCommerce\Blocks; use Automattic\WooCommerce\Blocks\Assets\Api as AssetApi; /** * AssetsController class. * * @since 5.0.0 * @internal */ final class AssetsController { /** * Asset API interface for various asset registration. * * @var AssetApi */ private $api; /** * Constructor. * * @param AssetApi $asset_api Asset API interface for various asset registration. */ public function __construct( AssetApi $asset_api ) { $this->api = $asset_api; $this->init(); } /** * Initialize class features. */ protected function init() { add_action( 'init', array( $this, 'register_assets' ) ); add_action( 'enqueue_block_editor_assets', array( $this, 'register_and_enqueue_site_editor_assets' ) ); add_filter( 'wp_resource_hints', array( $this, 'add_resource_hints' ), 10, 2 ); add_action( 'body_class', array( $this, 'add_theme_body_class' ), 1 ); add_action( 'admin_body_class', array( $this, 'add_theme_body_class' ), 1 ); add_action( 'admin_enqueue_scripts', array( $this, 'update_block_style_dependencies' ), 20 ); add_action( 'wp_enqueue_scripts', array( $this, 'update_block_settings_dependencies' ), 100 ); add_action( 'admin_enqueue_scripts', array( $this, 'update_block_settings_dependencies' ), 100 ); } /** * Register block scripts & styles. */ public function register_assets() { $this->register_style( 'wc-blocks-packages-style', plugins_url( $this->api->get_block_asset_build_path( 'packages-style', 'css' ), dirname( __DIR__ ) ), array(), 'all', true ); $this->register_style( 'wc-blocks-style', plugins_url( $this->api->get_block_asset_build_path( 'wc-blocks', 'css' ), dirname( __DIR__ ) ), array(), 'all', true ); $this->register_style( 'wc-blocks-editor-style', plugins_url( $this->api->get_block_asset_build_path( 'wc-blocks-editor-style', 'css' ), dirname( __DIR__ ) ), array( 'wp-edit-blocks' ), 'all', true ); $this->api->register_script( 'wc-blocks-middleware', 'assets/client/blocks/wc-blocks-middleware.js', array(), false ); $this->api->register_script( 'wc-blocks-data-store', 'assets/client/blocks/wc-blocks-data.js', array( 'wc-blocks-middleware' ) ); $this->api->register_script( 'wc-blocks-vendors', $this->api->get_block_asset_build_path( 'wc-blocks-vendors' ), array(), false ); $this->api->register_script( 'wc-blocks-registry', 'assets/client/blocks/wc-blocks-registry.js', array(), false ); $this->api->register_script( 'wc-blocks', $this->api->get_block_asset_build_path( 'wc-blocks' ), array( 'wc-blocks-vendors' ), false ); $this->api->register_script( 'wc-blocks-shared-context', 'assets/client/blocks/wc-blocks-shared-context.js' ); $this->api->register_script( 'wc-blocks-shared-hocs', 'assets/client/blocks/wc-blocks-shared-hocs.js', array(), false ); // The price package is shared externally so has no blocks prefix. $this->api->register_script( 'wc-price-format', 'assets/client/blocks/price-format.js', array(), false ); $this->api->register_script( 'wc-blocks-checkout', 'assets/client/blocks/blocks-checkout.js', array() ); $this->api->register_script( 'wc-blocks-components', 'assets/client/blocks/blocks-components.js', array() ); // Register the interactivity components here for now. $this->api->register_script( 'wc-interactivity-dropdown', 'assets/client/blocks/wc-interactivity-dropdown.js', array() ); $this->api->register_script( 'wc-interactivity-checkbox-list', 'assets/client/blocks/wc-interactivity-checkbox-list.js', array() ); $this->register_style( 'wc-interactivity-checkbox-list', plugins_url( $this->api->get_block_asset_build_path( 'wc-interactivity-checkbox-list', 'css' ), dirname( __DIR__ ) ), array(), 'all', true ); $this->register_style( 'wc-interactivity-dropdown', plugins_url( $this->api->get_block_asset_build_path( 'wc-interactivity-dropdown', 'css' ), dirname( __DIR__ ) ), array(), 'all', true ); wp_add_inline_script( 'wc-blocks-middleware', " var wcBlocksMiddlewareConfig = { storeApiNonce: '" . esc_js( wp_create_nonce( 'wc_store_api' ) ) . "', wcStoreApiNonceTimestamp: '" . esc_js( time() ) . "' }; ", 'before' ); } /** * Register and enqueue assets for exclusive usage within the Site Editor. */ public function register_and_enqueue_site_editor_assets() { $this->api->register_script( 'wc-blocks-classic-template-revert-button', 'assets/client/blocks/wc-blocks-classic-template-revert-button.js' ); $this->api->register_style( 'wc-blocks-classic-template-revert-button-style', 'assets/client/blocks/wc-blocks-classic-template-revert-button-style.css' ); $current_screen = get_current_screen(); if ( $current_screen instanceof \WP_Screen && 'site-editor' === $current_screen->base ) { wp_enqueue_script( 'wc-blocks-classic-template-revert-button' ); wp_enqueue_style( 'wc-blocks-classic-template-revert-button-style' ); } } /** * Defines resource hints to help speed up the loading of some critical blocks. * * These will not impact page loading times negatively because they are loaded once the current page is idle. * * @param array $urls URLs to print for resource hints. Each URL is an array of resource attributes, or a URL string. * @param string $relation_type The relation type the URLs are printed. Possible values: preconnect, dns-prefetch, prefetch, prerender. * @return array URLs to print for resource hints. */ public function add_resource_hints( $urls, $relation_type ) { if ( ! in_array( $relation_type, array( 'prefetch', 'prerender' ), true ) || is_admin() ) { return $urls; } // We only need to prefetch when the cart has contents. $cart = wc()->cart; if ( ! $cart instanceof \WC_Cart || 0 === $cart->get_cart_contents_count() ) { return $urls; } if ( 'prefetch' === $relation_type ) { $urls = array_merge( $urls, $this->get_prefetch_resource_hints() ); } if ( 'prerender' === $relation_type ) { $urls = array_merge( $urls, $this->get_prerender_resource_hints() ); } return $urls; } /** * Get resource hints during prefetch requests. * * @return array Array of URLs. */ private function get_prefetch_resource_hints() { $urls = array(); // Core page IDs. $cart_page_id = wc_get_page_id( 'cart' ); $checkout_page_id = wc_get_page_id( 'checkout' ); // Checks a specific page (by ID) to see if it contains the named block. $has_block_cart = $cart_page_id && has_block( 'woocommerce/cart', $cart_page_id ); $has_block_checkout = $checkout_page_id && has_block( 'woocommerce/checkout', $checkout_page_id ); // Checks the current page to see if it contains the named block. $is_block_cart = has_block( 'woocommerce/cart' ); $is_block_checkout = has_block( 'woocommerce/checkout' ); if ( $has_block_cart && ! $is_block_cart ) { $urls = array_merge( $urls, $this->get_block_asset_resource_hints( 'cart-frontend' ) ); } if ( $has_block_checkout && ! $is_block_checkout ) { $urls = array_merge( $urls, $this->get_block_asset_resource_hints( 'checkout-frontend' ) ); } return $urls; } /** * Get resource hints during prerender requests. * * @return array Array of URLs. */ private function get_prerender_resource_hints() { $urls = array(); $is_block_cart = has_block( 'woocommerce/cart' ); if ( ! $is_block_cart ) { return $urls; } $checkout_page_id = wc_get_page_id( 'checkout' ); $checkout_page_url = $checkout_page_id ? get_permalink( $checkout_page_id ) : ''; if ( $checkout_page_url ) { $urls[] = $checkout_page_url; } return $urls; } /** * Get resource hint for a block by name. * * @param string $filename Block filename. * @return array */ private function get_block_asset_resource_hints( $filename = '' ) { if ( ! $filename ) { return array(); } $script_data = $this->api->get_script_data( $this->api->get_block_asset_build_path( $filename ) ); $resources = array_merge( array( esc_url( add_query_arg( 'ver', $script_data['version'], $script_data['src'] ) ) ), $this->get_script_dependency_src_array( $script_data['dependencies'] ) ); return array_map( function( $src ) { return array( 'href' => $src, 'as' => 'script', ); }, array_unique( array_filter( $resources ) ) ); } /** * Get the src of all script dependencies (handles). * * @param array $dependencies Array of dependency handles. * @return string[] Array of src strings. */ private function get_script_dependency_src_array( array $dependencies ) { $wp_scripts = wp_scripts(); return array_reduce( $dependencies, function( $src, $handle ) use ( $wp_scripts ) { if ( isset( $wp_scripts->registered[ $handle ] ) ) { $src[] = esc_url( add_query_arg( 'ver', $wp_scripts->registered[ $handle ]->ver, $this->get_absolute_url( $wp_scripts->registered[ $handle ]->src ) ) ); $src = array_merge( $src, $this->get_script_dependency_src_array( $wp_scripts->registered[ $handle ]->deps ) ); } return $src; }, array() ); } /** * Returns an absolute url to relative links for WordPress core scripts. * * @param string $src Original src that can be relative. * @return string Correct full path string. */ private function get_absolute_url( $src ) { $wp_scripts = wp_scripts(); if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $wp_scripts->content_url && 0 === strpos( $src, $wp_scripts->content_url ) ) ) { $src = $wp_scripts->base_url . $src; } return $src; } /** * Add body classes to the frontend and within admin. * * @param string|array $classes Array or string of CSS classnames. * @return string|array Modified classnames. */ public function add_theme_body_class( $classes ) { $class = 'theme-' . get_template(); if ( is_array( $classes ) ) { $classes[] = $class; } else { $classes .= ' ' . $class . ' '; } return $classes; } /** * Get the file modified time as a cache buster if we're in dev mode. * * @param string $file Local path to the file. * @return string The cache buster value to use for the given file. */ protected function get_file_version( $file ) { if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG && file_exists( \Automattic\WooCommerce\Blocks\Package::get_path() . $file ) ) { return filemtime( \Automattic\WooCommerce\Blocks\Package::get_path() . $file ); } return $this->api->wc_version; } /** * Registers a style according to `wp_register_style`. * * @param string $handle Name of the stylesheet. Should be unique. * @param string $src Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory. * @param array $deps Optional. An array of registered stylesheet handles this stylesheet depends on. Default empty array. * @param string $media Optional. The media for which this stylesheet has been defined. Default 'all'. Accepts media types like * 'all', 'print' and 'screen', or media queries like '(orientation: portrait)' and '(max-width: 640px)'. * @param boolean $rtl Optional. Whether or not to register RTL styles. */ protected function register_style( $handle, $src, $deps = array(), $media = 'all', $rtl = false ) { $filename = str_replace( plugins_url( '/', dirname( __DIR__ ) ), '', $src ); $ver = self::get_file_version( $filename ); wp_register_style( $handle, $src, $deps, $ver, $media ); if ( $rtl ) { wp_style_add_data( $handle, 'rtl', 'replace' ); } } /** * Update block style dependencies after they have been registered. */ public function update_block_style_dependencies() { $wp_styles = wp_styles(); $style = $wp_styles->query( 'wc-blocks-style', 'registered' ); if ( ! $style ) { return; } // In WC < 5.5, `woocommerce-general` is not registered in block editor // screens, so we don't add it as a dependency if it's not registered. // In WC >= 5.5, `woocommerce-general` is registered on `admin_enqueue_scripts`, // so we need to check if it's registered here instead of on `init`. if ( wp_style_is( 'woocommerce-general', 'registered' ) && ! in_array( 'woocommerce-general', $style->deps, true ) ) { $style->deps[] = 'woocommerce-general'; } } /** * Fix scripts with wc-settings dependency. * * The wc-settings script only works correctly when enqueued in the footer. This is to give blocks etc time to * register their settings data before it's printed. * * This code will look at registered scripts, and if they have a wc-settings dependency, force them to print in the * footer instead of the header. * * This only supports packages known to require wc-settings! * * @see https://github.com/woocommerce/woocommerce-gutenberg-products-block/issues/5052 */ public function update_block_settings_dependencies() { $wp_scripts = wp_scripts(); $known_packages = array( 'wc-settings', 'wc-blocks-checkout', 'wc-price-format' ); foreach ( $wp_scripts->registered as $handle => $script ) { // scripts that are loaded in the footer has extra->group = 1. if ( array_intersect( $known_packages, $script->deps ) && ! isset( $script->extra['group'] ) ) { // Append the script to footer. $wp_scripts->add_data( $handle, 'group', 1 ); // Show a warning. $error_handle = 'wc-settings-dep-in-header'; $used_deps = implode( ', ', array_intersect( $known_packages, $script->deps ) ); $error_message = "Scripts that have a dependency on [$used_deps] must be loaded in the footer, {$handle} was registered to load in the header, but has been switched to load in the footer instead. See https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/5059"; // phpcs:ignore WordPress.WP.EnqueuedResourceParameters.NotInFooter,WordPress.WP.EnqueuedResourceParameters.MissingVersion wp_register_script( $error_handle, '' ); wp_enqueue_script( $error_handle ); wp_add_inline_script( $error_handle, sprintf( 'console.warn( "%s" );', $error_message ) ); } } } }