WeekDate.php

<?php

namespace Drupal\views\Plugin\views\argument;

use Drupal\views\Attribute\ViewsArgument;

/**
 * Argument handler for a week.
 */
class WeekDate extends Date {
    
    /**
     * {@inheritdoc}
     */
    protected $argFormat = 'W';
    
    /**
     * Provide a link to the next level of the view.
     */
    public function summaryName($data) {
        $created = $data->{$this->name_alias};
        return $this->t('Week @week', [
            '@week' => $created,
        ]);
    }

}