RemoveNodeAction.php

См. документацию.

<?php
 
namespace Bitrix\Landing\History\Action;
 
class RemoveNodeAction extends BaseAction
{
    protected const JS_COMMAND = 'removeNode';
 
    public function execute(bool $undo = true): bool
    {
        return true;
    }
 
    public static function enrichParams(array $params): array
    {
        return $params;
    }

    public function getJsCommand(bool $undo = true): array
    {
        $params = parent::getJsCommand($undo);
 
        $params['params']['value'] =
            $undo
                ? $params['params']['valueBefore']
                : $params['params']['valueAfter']
        ;
 
        unset(
            $params['params']['valueAfter'],
            $params['params']['valueBefore'],
        );
 
        return $params;
    }
}