brainblocks.module

<?php

/**
 * @file
 * Hook implementations for brainblocks.
 */

/**
 * Implements hook_page_attachments().
 *
 * @param array $attachments
 */
function brainblocks_page_attachments(array &$attachments) {
  $xrb_address = _brainblocks_config('xrb_address');
  $currency = _brainblocks_config('currency');
  $amount = _brainblocks_config('amount');
  $attachments['#attached']['drupalSettings']['brainblocks'] = ['xrb_address' => $xrb_address, 'currency' => $currency, 'amount' => $amount];
  $attachments['#attached']['library'][] = 'brainblocks/main';
  $attachments['#attached']['library'][] = 'brainblocks/brainblocks.brainblocks';
}

/**
 * Helper function for returning config data from this module.
 *
 * @param $key
 *
 * @return array|mixed|null
 */
function _brainblocks_config($key) {
  return \Drupal::config('brainblocks.settings')->get($key);
}