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<?php
namespace Yoast\WP\SEO\Helpers;
/**
* A helper object for author archives.
*/
class Asset_Helper {
/**
* Recursively retrieves all dependency urls of a given handle.
*
* @param string $handle The handle.
*
* @return string[] All dependency urls of the given handle.
*/
public function get_dependency_urls_by_handle( $handle ) {
$urls = [];
foreach ( $this->get_dependency_handles( $handle ) as $other_handle ) {
$urls[ $other_handle ] = $this->get_asset_url( $other_handle );
}
return $urls;
}
/**
* Recursively retrieves all dependencies of a given handle.
*
* @param string $handle The handle.
*
* @return string[] All dependencies of the given handle.
*/
public function get_dependency_handles( $handle ) {
$scripts = \wp_scripts();
if ( ! isset( $scripts->registered[ $handle ] ) ) {
return [];
}
$obj = $scripts->registered[ $handle ];
$deps = $obj->deps;
foreach ( $obj->deps as $other_handle ) {
$nested_deps = $this->get_dependency_handles( $other_handle );
if ( ! $nested_deps ) {
continue;
}
// Place nested dependencies before primary dependencies, they need to be loaded first.
$deps = \array_merge( $nested_deps, $deps );
}
// Array unique keeps the first of each element so dependencies will be as early as they're required.
return \array_values( \array_unique( $deps ) );
}
/**
* Gets the URL of a given asset.
*
* This logic is copied from WP_Scripts::do_item as unfortunately that logic is not properly isolated.
*
* @param string $handle The handle of the asset.
*
* @return string|false The URL of the asset or false if the asset does not exist.
*/
public function get_asset_url( $handle ) {
$scripts = \wp_scripts();
if ( ! isset( $scripts->registered[ $handle ] ) ) {
return false;
}
$obj = $scripts->registered[ $handle ];
if ( $obj->ver === null ) {
$ver = '';
}
else {
$ver = ( $obj->ver ) ? $obj->ver : $scripts->default_version;
}
if ( isset( $scripts->args[ $handle ] ) ) {
$ver = ( $ver ) ? $ver . '&' . $scripts->args[ $handle ] : $scripts->args[ $handle ];
}
$src = $obj->src;
if ( ! \preg_match( '|^(https?:)?//|', $src ) && ! ( $scripts->content_url && \strpos( $src, $scripts->content_url ) === 0 ) ) {
$src = $scripts->base_url . $src;
}
if ( ! empty( $ver ) ) {
$src = \add_query_arg( 'ver', $ver, $src );
}
/** This filter is documented in wp-includes/class.wp-scripts.php */
return \esc_url( \apply_filters( 'script_loader_src', $src, $handle ) );
}
}