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<?php
/**
* Register the scripts, and styles used within WooCommerce Admin.
*/
namespace Automattic\WooCommerce\Internal\Admin;
use _WP_Dependency;
use Automattic\WooCommerce\Admin\Features\Features;
use Automattic\WooCommerce\Admin\PageController;
use Automattic\WooCommerce\Internal\Admin\Loader;
/**
* WCAdminAssets Class.
*/
class WCAdminAssets {
/**
* Class instance.
*
* @var WCAdminAssets instance
*/
protected static $instance = null;
/**
* An array of dependencies that have been preloaded (to avoid duplicates).
*
* @var array
*/
protected $preloaded_dependencies;
/**
* Get class instance.
*/
public static function get_instance() {
if ( ! self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor.
* Hooks added here should be removed in `wc_admin_initialize` via the feature plugin.
*/
public function __construct() {
Features::get_instance();
add_action( 'admin_enqueue_scripts', array( $this, 'register_scripts' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'inject_wc_settings_dependencies' ), 14 );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_assets' ), 15 );
}
/**
* Gets the path for the asset depending on file type.
*
* @param string $ext File extension.
* @return string Folder path of asset.
*/
public static function get_path( $ext ) {
return ( $ext === 'css' ) ? WC_ADMIN_DIST_CSS_FOLDER : WC_ADMIN_DIST_JS_FOLDER;
}
/**
* Determines if a minified JS file should be served.
*
* @param boolean $script_debug Only serve unminified files if script debug is on.
* @return boolean If js asset should use minified version.
*/
public static function should_use_minified_js_file( $script_debug ) {
// minified files are only shipped in non-core versions of wc-admin, return false if minified files are not available.
if ( ! Features::exists( 'minified-js' ) ) {
return false;
}
// Otherwise we will serve un-minified files if SCRIPT_DEBUG is on, or if anything truthy is passed in-lieu of SCRIPT_DEBUG.
return ! $script_debug;
}
/**
* Gets the URL to an asset file.
*
* @param string $file File name (without extension).
* @param string $ext File extension.
* @return string URL to asset.
*/
public static function get_url( $file, $ext ) {
$suffix = '';
// Potentially enqueue minified JavaScript.
if ( $ext === 'js' ) {
$script_debug = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG;
$suffix = self::should_use_minified_js_file( $script_debug ) ? '.min' : '';
}
return plugins_url( self::get_path( $ext ) . $file . $suffix . '.' . $ext, WC_ADMIN_PLUGIN_FILE );
}
/**
* Gets the file modified time as a cache buster if we're in dev mode, or the plugin version otherwise.
*
* @param string $ext File extension.
* @return string The cache buster value to use for the given file.
*/
public static function get_file_version( $ext ) {
if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) {
return filemtime( WC_ADMIN_ABSPATH . self::get_path( $ext ) );
}
return WC_VERSION;
}
/**
* Gets a script asset registry filename. The asset registry lists dependencies for the given script.
*
* @param string $script_path_name Path to where the script asset registry is contained.
* @param string $file File name (without extension).
* @return string complete asset filename.
*
* @throws \Exception Throws an exception when a readable asset registry file cannot be found.
*/
public static function get_script_asset_filename( $script_path_name, $file ) {
$minification_supported = Features::exists( 'minified-js' );
$script_min_filename = $file . '.min.asset.php';
$script_nonmin_filename = $file . '.asset.php';
$script_asset_path = WC_ADMIN_ABSPATH . WC_ADMIN_DIST_JS_FOLDER . $script_path_name . '/';
// Check minification is supported first, to avoid multiple is_readable checks when minification is
// not supported.
if ( $minification_supported && is_readable( $script_asset_path . $script_min_filename ) ) {
return $script_min_filename;
} elseif ( is_readable( $script_asset_path . $script_nonmin_filename ) ) {
return $script_nonmin_filename;
} else {
// could not find an asset file, throw an error.
throw new \Exception( 'Could not find asset registry for ' . $script_path_name );
}
}
/**
* Render a preload link tag for a dependency, optionally
* checked against a provided allowlist.
*
* See: https://macarthur.me/posts/preloading-javascript-in-wordpress
*
* @param WP_Dependency $dependency The WP_Dependency being preloaded.
* @param string $type Dependency type - 'script' or 'style'.
* @param array $allowlist Optional. List of allowed dependency handles.
*/
private function maybe_output_preload_link_tag( $dependency, $type, $allowlist = array() ) {
if (
(
! empty( $allowlist ) &&
! in_array( $dependency->handle, $allowlist, true )
) ||
( ! empty( $this->preloaded_dependencies[ $type ] ) &&
in_array( $dependency->handle, $this->preloaded_dependencies[ $type ], true ) )
) {
return;
}
$this->preloaded_dependencies[ $type ][] = $dependency->handle;
$source = $dependency->ver ? add_query_arg( 'ver', $dependency->ver, $dependency->src ) : $dependency->src;
echo '<link rel="preload" href="', esc_url( $source ), '" as="', esc_attr( $type ), '" />', "\n";
}
/**
* Output a preload link tag for dependencies (and their sub dependencies)
* with an optional allowlist.
*
* See: https://macarthur.me/posts/preloading-javascript-in-wordpress
*
* @param string $type Dependency type - 'script' or 'style'.
* @param array $allowlist Optional. List of allowed dependency handles.
*/
private function output_header_preload_tags_for_type( $type, $allowlist = array() ) {
if ( $type === 'script' ) {
$dependencies_of_type = wp_scripts();
} elseif ( $type === 'style' ) {
$dependencies_of_type = wp_styles();
} else {
return;
}
foreach ( $dependencies_of_type->queue as $dependency_handle ) {
$dependency = $dependencies_of_type->query( $dependency_handle, 'registered' );
if ( $dependency === false ) {
continue;
}
// Preload the subdependencies first.
foreach ( $dependency->deps as $sub_dependency_handle ) {
$sub_dependency = $dependencies_of_type->query( $sub_dependency_handle, 'registered' );
if ( $sub_dependency ) {
$this->maybe_output_preload_link_tag( $sub_dependency, $type, $allowlist );
}
}
$this->maybe_output_preload_link_tag( $dependency, $type, $allowlist );
}
}
/**
* Output preload link tags for all enqueued stylesheets and scripts.
*
* See: https://macarthur.me/posts/preloading-javascript-in-wordpress
*/
private function output_header_preload_tags() {
$wc_admin_scripts = array(
WC_ADMIN_APP,
'wc-components',
);
$wc_admin_styles = array(
WC_ADMIN_APP,
'wc-components',
'wc-material-icons',
);
// Preload styles.
$this->output_header_preload_tags_for_type( 'style', $wc_admin_styles );
// Preload scripts.
$this->output_header_preload_tags_for_type( 'script', $wc_admin_scripts );
}
/**
* Loads the required scripts on the correct pages.
*/
public function enqueue_assets() {
if ( ! PageController::is_admin_or_embed_page() ) {
return;
}
wp_enqueue_script( WC_ADMIN_APP );
wp_enqueue_style( WC_ADMIN_APP );
wp_enqueue_style( 'wc-material-icons' );
wp_enqueue_style( 'wc-onboarding' );
// Preload our assets.
$this->output_header_preload_tags();
}
/**
* Registers all the necessary scripts and styles to show the admin experience.
*/
public function register_scripts() {
if ( ! function_exists( 'wp_set_script_translations' ) ) {
return;
}
$js_file_version = self::get_file_version( 'js' );
$css_file_version = self::get_file_version( 'css' );
$scripts = array(
'wc-admin-layout',
'wc-explat',
'wc-experimental',
'wc-customer-effort-score',
// NOTE: This should be removed when Gutenberg is updated and the notices package is removed from WooCommerce Admin.
'wc-notices',
'wc-number',
'wc-tracks',
'wc-date',
'wc-components',
WC_ADMIN_APP,
'wc-csv',
'wc-store-data',
'wc-currency',
'wc-navigation',
'wc-block-templates',
'wc-product-editor',
);
$scripts_map = array(
WC_ADMIN_APP => 'app',
'wc-csv' => 'csv-export',
'wc-store-data' => 'data',
);
$translated_scripts = array(
'wc-currency',
'wc-date',
'wc-components',
'wc-customer-effort-score',
'wc-experimental',
WC_ADMIN_APP,
);
foreach ( $scripts as $script ) {
$script_path_name = isset( $scripts_map[ $script ] ) ? $scripts_map[ $script ] : str_replace( 'wc-', '', $script );
try {
$script_assets_filename = self::get_script_asset_filename( $script_path_name, 'index' );
$script_assets = require WC_ADMIN_ABSPATH . WC_ADMIN_DIST_JS_FOLDER . $script_path_name . '/' . $script_assets_filename;
global $wp_version;
if ( 'app' === $script_path_name && version_compare( $wp_version, '6.3', '<' ) ) {
// Remove wp-router dependency for WordPress versions < 6.3 because wp-router is not included in those versions. We only use wp-router in customize store pages and the feature is only available in WordPress 6.3+.
// We can remove this once our minimum support is WP 6.3.
$script_assets['dependencies'] = array_diff( $script_assets['dependencies'], array( 'wp-router' ) );
}
// Remove wp-editor dependency if we're not on a customize store page since we don't use wp-editor in other pages.
$is_customize_store_page = (
PageController::is_admin_page() &&
isset( $_GET['path'] ) &&
str_starts_with( wc_clean( wp_unslash( $_GET['path'] ) ), '/customize-store' )
);
if ( ! $is_customize_store_page && WC_ADMIN_APP === $script ) {
$script_assets['dependencies'] = array_diff( $script_assets['dependencies'], array( 'wp-editor' ) );
}
wp_register_script(
$script,
self::get_url( $script_path_name . '/index', 'js' ),
$script_assets ['dependencies'],
$js_file_version,
true
);
if ( in_array( $script, $translated_scripts, true ) ) {
wp_set_script_translations( $script, 'woocommerce' );
}
} catch ( \Exception $e ) {
// Avoid crashing WordPress if an asset file could not be loaded.
wc_caught_exception( $e, __CLASS__ . '::' . __FUNCTION__, $script_path_name );
}
}
wp_register_style(
'wc-admin-layout',
self::get_url( 'admin-layout/style', 'css' ),
array(),
$css_file_version
);
wp_style_add_data( 'wc-admin-layout', 'rtl', 'replace' );
wp_register_style(
'wc-components',
self::get_url( 'components/style', 'css' ),
array(),
$css_file_version
);
wp_style_add_data( 'wc-components', 'rtl', 'replace' );
wp_register_style(
'wc-block-templates',
self::get_url( 'block-templates/style', 'css' ),
array(),
$css_file_version
);
wp_style_add_data( 'wc-block-templates', 'rtl', 'replace' );
wp_register_style(
'wc-product-editor',
self::get_url( 'product-editor/style', 'css' ),
array(),
$css_file_version
);
wp_style_add_data( 'wc-product-editor', 'rtl', 'replace' );
wp_register_style(
'wc-customer-effort-score',
self::get_url( 'customer-effort-score/style', 'css' ),
array(),
$css_file_version
);
wp_style_add_data( 'wc-customer-effort-score', 'rtl', 'replace' );
wp_register_style(
'wc-experimental',
self::get_url( 'experimental/style', 'css' ),
array(),
$css_file_version
);
wp_style_add_data( 'wc-experimental', 'rtl', 'replace' );
wp_localize_script(
WC_ADMIN_APP,
'wcAdminAssets',
array(
'path' => plugins_url( self::get_path( 'js' ), WC_ADMIN_PLUGIN_FILE ),
'version' => $js_file_version,
)
);
wp_register_style(
WC_ADMIN_APP,
self::get_url( 'app/style', 'css' ),
array( 'wc-components', 'wc-admin-layout', 'wc-customer-effort-score', 'wc-product-editor', 'wp-components', 'wc-experimental' ),
$css_file_version
);
wp_style_add_data( WC_ADMIN_APP, 'rtl', 'replace' );
wp_register_style(
'wc-onboarding',
self::get_url( 'onboarding/style', 'css' ),
array(),
$css_file_version
);
wp_style_add_data( 'wc-onboarding', 'rtl', 'replace' );
}
/**
* Injects wp-shared-settings as a dependency if it's present.
*/
public function inject_wc_settings_dependencies() {
$wp_scripts = wp_scripts();
if ( wp_script_is( 'wc-settings', 'registered' ) ) {
$handles_for_injection = array(
'wc-admin-layout',
'wc-csv',
'wc-currency',
'wc-customer-effort-score',
'wc-navigation',
// NOTE: This should be removed when Gutenberg is updated and
// the notices package is removed from WooCommerce Admin.
'wc-notices',
'wc-number',
'wc-date',
'wc-components',
'wc-tracks',
'wc-block-templates',
'wc-product-editor',
);
foreach ( $handles_for_injection as $handle ) {
$script = $wp_scripts->query( $handle, 'registered' );
if ( $script instanceof _WP_Dependency ) {
$script->deps[] = 'wc-settings';
$wp_scripts->add_data( $handle, 'group', 1 );
}
}
foreach ( $wp_scripts->registered as $handle => $script ) {
// scripts that are loaded in the footer has extra->group = 1.
if ( array_intersect( $handles_for_injection, $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( $handles_for_injection, $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 )
);
}
}
}
}
/**
* Loads a script
*
* @param string $script_path_name The script path name.
* @param string $script_name Filename of the script to load.
* @param bool $need_translation Whether the script need translations.
* @param array $dependencies Array of any extra dependencies. Note wc-admin and any application JS dependencies are automatically added by Dependency Extraction Webpack Plugin. Use this parameter to designate any extra dependencies.
*/
public static function register_script( $script_path_name, $script_name, $need_translation = false, $dependencies = array() ) {
$script_assets_filename = self::get_script_asset_filename( $script_path_name, $script_name );
$script_assets = require WC_ADMIN_ABSPATH . WC_ADMIN_DIST_JS_FOLDER . $script_path_name . '/' . $script_assets_filename;
wp_enqueue_script(
'wc-admin-' . $script_name,
self::get_url( $script_path_name . '/' . $script_name, 'js' ),
array_merge( array( WC_ADMIN_APP ), $script_assets ['dependencies'], $dependencies ),
self::get_file_version( 'js' ),
true
);
if ( $need_translation ) {
wp_set_script_translations( 'wc-admin-' . $script_name, 'woocommerce' );
}
}
}