json_field-8.x-1.x-dev/modules/json_field_widget/json_field_widget.install

<?php

/**
 * @file
 * Installation, requirements hooks for the JSON Field Widget module.
 */

/**
 * Implements hook_requirements().
 */
function json_field_widget_requirements(string $phase): array {
  $requirements = [];
  if ($phase !== 'runtime') {
    return [];
  }

  $requirements['json_field_widget'] = [
    'title' => t('JSON Field Widget'),
    'value' => t('JSON Editor library found'),
    'severity' => REQUIREMENT_OK,
  ];

  if (\Drupal::service('library.libraries_directory_file_finder')->find('json_field_widget')) {
    return $requirements;
  }
  $library = \Drupal::service('library.discovery')->getLibraryByName('json_field_widget', 'jsoneditor');
  if (file_exists($library['js'][0]['data'])) {
    $requirements['json_field_widget']['description'] = $library['version'];
    return $requirements;
  }

  return [
    'json_field_widget' => [
      'title' => t('JSON Field Widget'),
      'value' => t("JSON Editor library doesn't exists"),
      'description' => t('Make sure that the jsoneditor library <strong>(max version 6.0.0)</strong> is placed in the <code>libraries</code> directory at the website root. Download a <a href=":link" target="_blank">jsoneditor release</a> and make sure that the JS file is available at <code>/libraries/jsoneditor/dist/jsoneditor.min.js</code>.', [':link' => 'https://github.com/josdejong/jsoneditor']),
      'severity' => REQUIREMENT_ERROR,
    ],
  ];
}