ckeditor_mentions-8.x-2.x-dev/ckeditor_mentions.install

<?php

/**
 * @file
 * Contains installation and update scripts.
 */

use Drupal\image\Entity\ImageStyle;

/**
 * Implements hook_install().
 */
function ckeditor_mentions_install() {
  // Create tiny icon image style.
  $style = ImageStyle::create(
    [
      'name' => 'mentions_icon',
      'label' => 'CKEditor Mentions Icon',
    ]
  );

  // Create effect.
  $configuration = [
    'uuid' => NULL,
    'id' => 'image_scale_and_crop',
    'weight' => 0,
    'data' => [
      'width' => 40,
      'height' => 40,
    ],
  ];
  $effect = \Drupal::service('plugin.manager.image.effect')->createInstance($configuration['id'], $configuration);

  // Add it to the image style and save.
  $style->addImageEffect($effect->getConfiguration());
  $style->save();
}

/**
 * Implements hook_uninstall().
 */
function ckeditor_mentions_uninstall() {
  // Remove tiny icon image style.
  \Drupal::configFactory()->getEditable('image.style.mentions_icon')->delete();
}

/**
 * New version should not contain upgrade hooks.
 *
 * You can upgrade without any issues if you have skipped upgrade hooks.
 */
function ckeditor_mentions_update_last_removed() {
  return 8003;
}