paragraphs-8.x-1.11/tests/modules/paragraphs_test/src/Plugin/paragraphs/Conversion/ParagraphsTestTextToTextImage.php

<?php

namespace Drupal\paragraphs_test\Plugin\paragraphs\Conversion;

use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\paragraphs\Attribute\ParagraphsConversion;
use Drupal\paragraphs\ParagraphInterface;
use Drupal\paragraphs\ParagraphsConversionBase;

/**
 * Provides a Paragraphs conversion plugin.
 */
#[ParagraphsConversion(
  id: "paragraphs_test_text_to_text_image",
  label: new TranslatableMarkup("Convert to Text Image (No form)"),
  source_type: "text",
  target_types: ["text_image"],
)]
class ParagraphsTestTextToTextImage extends ParagraphsConversionBase {

  /**
   * {@inheritdoc}
   */
  public function submitConversion(array $settings, ParagraphInterface $original_paragraph, ?array $converted_paragraphs = NULL) {
    $text = $original_paragraph->get('field_text_demo')->value;
    return [
      [
        'type' => 'text_image',
        'field_text_demo' => [
          'value' => $text,
        ],
      ],
    ];
  }

}