migrate_spip-1.0.0/src/Plugin/SpipRichText/Paragraphs.php

<?php

declare(strict_types=1);

namespace Drupal\migrate_spip\Plugin\SpipRichText;

use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\migrate_spip\Attribute\SpipRichText;
use Drupal\migrate_spip\SpipRichTextBase;

/**
 * Open paragraphs.
 */
#[SpipRichText(
  id: 'paragraphs',
  label: new TranslatableMarkup('Paragraph'),
  weight: -10,
)]
final class Paragraphs extends SpipRichTextBase {

  /**
   * {@inheritdoc}
   */
  public function apply(string $text): string {
    return preg_replace(
      [
        "# *\n(?: *\n)+(?:<br ?\/?>)*#S",
        "#(?:<br\b[^>]*>){2,}\s*#S",
        "#(<p\b[^>]*>)\n*(?:<br ?/?>\n*)+#S",
      ],
      [
        '<p>',
        '<p>',
        '$1',
      ],
      $text
    );
  }

}