commerce-8.x-2.8/modules/price/commerce_price.module

<?php

/**
 * @file
 * Defines the Currency entity and the Price field.
 */

use Drupal\language\Entity\ConfigurableLanguage;

/**
 * Implements hook_theme().
 */
function commerce_price_theme() {
  return [
    'commerce_price_plain' => [
      'variables' => [
        'number' => 0,
        'currency' => NULL,
      ],
      'template' => 'commerce-price-plain',
    ],
  ];
}

/**
 * Implements hook_ENTITY_TYPE_insert() for 'configurable_language'.
 */
function commerce_price_configurable_language_insert(ConfigurableLanguage $language) {
  if (!\Drupal::isConfigSyncing()) {
    // Import currency translations for the new language.
    $importer = \Drupal::service('commerce_price.currency_importer');
    $importer->importTranslations([$language->getId()]);
  }
}