nerdfisch: DevBits

<?php

use Drupal\Component\Utility\Html;
use Drupal\Core\Form\FormStateInterface;


/**
 * Implements hook_form_FORM_ID_alter() for 'views_exposed_form'.
 */
function hook_form_views_exposed_form_alter(&$form, FormStateInterface $form_state) {
  // Configure the values to your needs.
  $view_name = 'my_view';
  $display_name = 'my_display';
  $entity_type_id = 'taxonomy_term';
  $reference_field = 'field_category';
  // The field on the referenced entity.
  $flag_on_reference_field = 'field_hide_on_exposed_form';

  if ($form['#id'] == Html::getId("views-exposed-form-{$view_name}-{$display_name}")) {
    $entity_storage = \Drupal::entityTypeManager()->getStorage($entity_type_id);
    $options = &$form[$reference_field]['#options'];
    foreach ($entity_storage->loadMultiple(array_keys($options)) as $id => $entity) {
      if ($entity->hasField($flag_on_reference_field) && !$entity->{$flag_on_reference_field}->isEmpty()) {
        unset($options[$id]);
      }
    }
  }
}

langcode: en
status: true
dependencies: {  }
id: rss_feed_date_format
label: RFC822
locked: false
pattern: 'D, d M Y h:i:s O'

drush sql:dump --structure-tables-list=cache,cachetags,'cache_*',history,'search_*',sessions,webprofiler

// Modifies form data on submit.
form.addEventListener("formdata", (e) => {
  const formData = e.formData;
  geoLocationFieldNames.forEach((name) => {
    formData.delete(name);
  });
});

<?php

/**
 * Change my_basefield max_length to 255.
 */
function my_module_update_10001() {
  $entity_type_id = 'my_entity';
  $field_name = 'my_basefield';
  $field_length = 255;

  /** @var \Drupal\Core\Entity\EntityLastInstalledSchemaRepositoryInterface $schema_repository */
  $schema_repository = \Drupal::service('entity.last_installed_schema.repository');
  /** @var \Drupal\Core\Entity\EntityFieldManager $entity_field_manager */
  $entity_field_manager = \Drupal::service('entity_field.manager');
  /** @var Drupal\Core\Field\BaseFieldDefinition[] $base_field_definitions */
  $base_field_definitions = $entity_field_manager->getBaseFieldDefinitions($entity_type_id);
  $schema_repository->setLastInstalledFieldStorageDefinition($base_field_definitions[$field_name]);
  $field_storage_definitions = $schema_repository->getLastInstalledFieldStorageDefinitions($entity_type_id);

  // Update the serialized schema property.
  $rc = new \ReflectionClass($field_storage_definitions[$field_name]);
  $schema_property = $rc->getProperty('schema');
  $schema_property->setAccessible(TRUE);
  $schema = $field_storage_definitions[$field_name]->getSchema();
  $schema['columns']['value']['length'] = $field_length;
  $schema_property->setValue($field_storage_definitions[$field_name], $schema);

  // Update the field definition in the last installed schema repository.
  $schema_repository->setLastInstalledFieldStorageDefinitions($entity_type_id, $field_storage_definitions);

  // Update the storage schema.
  $key_value = \Drupal::keyValue('entity.storage_schema.sql');
  $key_name = $entity_type_id . '.field_schema_data.' . $field_name;
  $storage_schema = $key_value->get($key_name);
  // Update all tables where the field is present.
  foreach ($storage_schema as &$table_schema) {
    $table_schema['fields'][$field_name]['length'] = $field_length;
  }
  $key_value->set($key_name, $storage_schema);

  // Update the database tables where the field is part of.
  $db = Drupal::database();
  foreach ($storage_schema as $table_name => $table_schema) {
    $db->schema()->changeField($table_name, $field_name, $field_name, $table_schema['fields'][$field_name]);
  }

}