Current File : /home/tradesc/www/relax/wp-content/plugins/google-site-kit/includes/Core/Assets/Script_Data.php
<?php
/**
* Class Google\Site_Kit\Core\Assets\Script_Data
*
* @package Google\Site_Kit\Core\Assets
* @copyright 2021 Google LLC
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://sitekit.withgoogle.com
*/
namespace Google\Site_Kit\Core\Assets;
/**
* Class for virtual "data-only" scripts.
*
* @since 1.5.0
* @access private
* @ignore
*/
class Script_Data extends Script {
/**
* Constructor.
*
* @since 1.5.0
*
* @param string $handle Unique script handle.
* @param array $args {
* Associative array of script arguments.
*
* @type callable $data_callback Required. Function to return JSON-encodable data.
* @type string $global Required. Name of global variable to assign data to in Javascript.
* @type array $dependencies Optional. List of script dependencies. Default empty array.
* }
*/
public function __construct( $handle, array $args ) {
// Ensure required keys are always set.
$args = $args + array(
'data_callback' => null,
'global' => '',
);
// SRC will always be false.
$args['src'] = false;
parent::__construct( $handle, $args );
// Lazy-load script data before handle is to be printed.
$this->args['before_print'] = function ( $handle ) {
if ( empty( $this->args['global'] ) || ! is_callable( $this->args['data_callback'] ) ) {
return;
}
$data = call_user_func( $this->args['data_callback'], $handle );
$this->add_script_data( $data );
};
}
/**
* Adds the given data to the script handle's 'data' key.
*
* 'data' is the key used by `wp_localize_script`, which is output
* in older versions of WP even if the handle has no src (such as an alias).
* This is done manually instead of using `wp_localize_script` to avoid casting
* top-level keys to strings as this function is primarily intended for
* providing an array of translations to Javascript rather than arbitrary data.
*
* @see \WP_Scripts::localize
*
* @since 1.5.0
*
* @param mixed $data Data to be assigned to the defined global.
*/
private function add_script_data( $data ) {
$script_data = wp_scripts()->get_data( $this->handle, 'data' ) ?: '';
$js = sprintf(
'var %s = %s;',
preg_replace( '[^\w\d_-]', '', $this->args['global'] ), // Ensure only a-zA-Z0-9_- are allowed.
wp_json_encode( $data )
);
wp_scripts()->add_data( $this->handle, 'data', trim( "$script_data\n$js" ) );
}
}
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