search_api-8.x-1.15/src/Plugin/search_api/data_type/DecimalDataType.php

<?php

namespace Drupal\search_api\Plugin\search_api\data_type;

use Drupal\search_api\DataType\DataTypePluginBase;

/**
 * Provides a decimal data type.
 *
 * @SearchApiDataType(
 *   id = "decimal",
 *   label = @Translation("Decimal"),
 *   description = @Translation("Contains numeric, typically non-integer values."),
 *   default = "true"
 * )
 */
class DecimalDataType extends DataTypePluginBase {

  /**
   * {@inheritdoc}
   */
  public function getValue($value) {
    $value = (float) $value;
    if (!strpos((string) $value, '.')) {
      return (int) $value;
    }
    return $value;
  }

}