AssetsController.php
<?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-types', $this->api->get_block_asset_build_path( 'wc-types' ), array(), false );
$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-vendors-frontend', $this->api->get_block_asset_build_path( 'wc-blocks-vendors-frontend' ), array(), false );
$this->api->register_script( 'wc-blocks-checkout', 'assets/client/blocks/blocks-checkout.js', array( 'wc-blocks-vendors-frontend' ) );
$this->api->register_script( 'wc-blocks-components', 'assets/client/blocks/blocks-components.js', array( 'wc-blocks-vendors-frontend' ) );
// 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 )
);
}
}
}
}
