<?php
namespace Automattic\WooCommerce\Blocks\Assets;
use Automattic\WooCommerce\Blocks\Domain\Package;
use Exception;
/**
* The Api class provides an interface to various asset registration helpers.
*
* Contains asset api methods
*
* @since 2.5.0
*/
class Api {
/**
* Stores inline scripts already enqueued.
*
* @var array
*/
private $inline_scripts = [];
/**
* Reference to the Package instance
*
* @var Package
*/
private $package;
/**
* Constructor for class
*
* @param Package $package An instance of Package.
*/
public function __construct( Package $package ) {
$this->package = $package;
}
/**
* Get the file modified time as a cache buster if we're in dev mode.
*
* @param string $file Local path to the file (relative to the plugin
* directory).
* @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( $this->package->get_path() . $file ) ) {
return filemtime( $this->package->get_path( trim( $file, '/' ) ) );
}
return $this->package->get_version();
}
/**
* Retrieve the url to an asset for this plugin.
*
* @param string $relative_path An optional relative path appended to the
* returned url.
*
* @return string
*/
protected function get_asset_url( $relative_path = '' ) {
return $this->package->get_url( $relative_path );
}
/**
* Registers a script according to `wp_register_script`, additionally
* loading the translations for the file.
*
* @since 2.5.0
*
* @param string $handle Name of the script. Should be unique.
* @param string $relative_src Relative url for the script to the path
* from plugin root.
* @param array $dependencies Optional. An array of registered script
* handles this script depends on. Default
* empty array.
* @param bool $has_i18n Optional. Whether to add a script
* translation call to this file. Default:
* true.
*
* @throws Exception If the registered script has a dependency on itself.
*/
public function register_script( $handle, $relative_src, $dependencies = [], $has_i18n = true ) {
$src = '';
$version = '1';
if ( $relative_src ) {
$src = $this->get_asset_url( $relative_src );
$asset_path = $this->package->get_path(
str_replace( '.js', '.asset.php', $relative_src )
);
if ( file_exists( $asset_path ) ) {
$asset = require $asset_path;
$dependencies = isset( $asset['dependencies'] ) ? array_merge( $asset['dependencies'], $dependencies ) : $dependencies;
$version = ! empty( $asset['version'] ) ? $asset['version'] : $this->get_file_version( $relative_src );
} else {
$version = $this->get_file_version( $relative_src );
}
}
if ( in_array( $handle, $dependencies, true ) ) {
if ( $this->package->feature()->is_development_environment() ) {
$dependencies = array_diff( $dependencies, [ $handle ] );
add_action(
'admin_notices',
function() use ( $handle ) {
echo '<div class="error"><p>';
/* translators: %s file handle name. */
printf( esc_html__( 'Script with handle %s had a dependency on itself which has been removed. This is an indicator that your JS code has a circular dependency that can cause bugs.', 'woocommerce' ), esc_html( $handle ) );
echo '</p></div>';
}
);
} else {
throw new Exception( sprintf( 'Script with handle %s had a dependency on itself. This is an indicator that your JS code has a circular dependency that can cause bugs.', $handle ) );
}
}
wp_register_script( $handle, $src, apply_filters( 'woocommerce_blocks_register_script_dependencies', $dependencies, $handle ), $version, true );
if ( $has_i18n && function_exists( 'wp_set_script_translations' ) ) {
wp_set_script_translations( $handle, 'woocommerce', $this->package->get_path( 'languages' ) );
}
}
/**
* Registers a style according to `wp_register_style`.
*
* @since 2.5.0
* @since 2.6.0 Change src to be relative source.
*
* @param string $handle Name of the stylesheet. Should be unique.
* @param string $relative_src Relative source of the stylesheet to the plugin path.
* @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)'.
*/
public function register_style( $handle, $relative_src, $deps = [], $media = 'all' ) {
$filename = str_replace( plugins_url( '/', __DIR__ ), '', $relative_src );
$src = $this->get_asset_url( $relative_src );
$ver = $this->get_file_version( $filename );
wp_register_style( $handle, $src, $deps, $ver, $media );
}
/**
* Returns the appropriate asset path for loading either legacy builds or
* current builds.
*
* @param string $filename Filename for asset path (without extension).
* @param string $type File type (.css or .js).
*
* @return string The generated path.
*/
public function get_block_asset_build_path( $filename, $type = 'js' ) {
global $wp_version;
$suffix = version_compare( $wp_version, '5.3', '>=' )
? ''
: '-legacy';
return "build/$filename$suffix.$type";
}
/**
* Adds an inline script, once.
*
* @param string $handle Script handle.
* @param string $script Script contents.
*/
public function add_inline_script( $handle, $script ) {
if ( ! empty( $this->inline_scripts[ $handle ] ) && in_array( $script, $this->inline_scripts[ $handle ], true ) ) {
return;
}
wp_add_inline_script( $handle, $script );
if ( isset( $this->inline_scripts[ $handle ] ) ) {
$this->inline_scripts[ $handle ][] = $script;
} else {
$this->inline_scripts[ $handle ] = array( $script );
}
}
}