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<?php
namespace Drupal\Core\Ajax;
/**
* AJAX command for adjusting Drupal's JavaScript settings.
*
* The 'settings' command instructs the client either to use the given array as
* the settings for ajax-loaded content or to extend drupalSettings with the
* given array, depending on the value of the $merge parameter.
*
* This command is implemented by Drupal.AjaxCommands.prototype.settings()
* defined in misc/ajax.js.
*
* @ingroup ajax
*/
class SettingsCommand implements CommandInterface {
/**
* An array of key/value pairs of JavaScript settings.
*
* This will be used for all commands after this if they do not include their
* own settings array.
*
* @var array
*/
protected $settings;
/**
* Whether the settings should be merged into the global drupalSettings.
*
* By default (FALSE), the settings that are passed to Drupal.attachBehaviors
* will not include the global drupalSettings.
*
* @var bool
*/
protected $merge;
/**
* Constructs a SettingsCommand object.
*
* @param array $settings
* An array of key/value pairs of JavaScript settings.
* @param bool $merge
* Whether the settings should be merged into the global drupalSettings.
*/
public function __construct(array $settings, $merge = FALSE) {
$this->settings = $settings;
$this->merge = $merge;
}
/**
* Implements Drupal\Core\Ajax\CommandInterface:render().
*/
public function render() {
return [
'command' => 'settings',
'settings' => $this->settings,
'merge' => $this->merge,
];
}
}