Initial Drupal 11 with DDEV setup

web/core/modules/options/src/Hook/OptionsHooks.php

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+<?php
+
+namespace Drupal\options\Hook;
+
+use Drupal\Core\Entity\Exception\FieldStorageDefinitionUpdateForbiddenException;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\field\FieldStorageConfigInterface;
+use Drupal\Core\Url;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\Core\Hook\Attribute\Hook;
+
+/**
+ * Hook implementations for options.
+ */
+class OptionsHooks {
+
+  use StringTranslationTrait;
+
+  /**
+   * Implements hook_help().
+   */
+  #[Hook('help')]
+  public function help($route_name, RouteMatchInterface $route_match): ?string {
+    switch ($route_name) {
+      case 'help.page.options':
+        $output = '';
+        $output .= '<h2>' . $this->t('About') . '</h2>';
+        $output .= '<p>' . $this->t('The Options module allows you to create fields where data values are selected from a fixed list of options. Usually these items are entered through a select list, checkboxes, or radio buttons. See the <a href=":field">Field module help</a> and the <a href=":field_ui">Field UI help</a> pages for general information on fields and how to create and manage them. For more information, see the <a href=":options_do">online documentation for the Options module</a>.', [
+          ':field' => Url::fromRoute('help.page', [
+            'name' => 'field',
+          ])->toString(),
+          ':field_ui' => \Drupal::moduleHandler()->moduleExists('field_ui') ? Url::fromRoute('help.page', [
+            'name' => 'field_ui',
+          ])->toString() : '#',
+          ':options_do' => 'https://www.drupal.org/documentation/modules/options',
+        ]) . '</p>';
+        $output .= '<h2>' . $this->t('Uses') . '</h2>';
+        $output .= '<dl>';
+        $output .= '<dt>' . $this->t('Managing and displaying list fields') . '</dt>';
+        $output .= '<dd>' . $this->t('The <em>settings</em> and the <em>display</em> of the list fields can be configured separately. See the <a href=":field_ui">Field UI help</a> for more information on how to manage fields and their display.', [
+          ':field_ui' => \Drupal::moduleHandler()->moduleExists('field_ui') ? Url::fromRoute('help.page', [
+            'name' => 'field_ui',
+          ])->toString() : '#',
+        ]) . '</dd>';
+        $output .= '<dt>' . $this->t('Defining option keys and labels') . '</dt>';
+        $output .= '<dd>' . $this->t('When you define the list options you can define a key and a label for each option in the list. The label will be shown to the users while the key gets stored in the database.') . '</dd>';
+        $output .= '<dt>' . $this->t('Choosing list field type') . '</dt>';
+        $output .= '<dd>' . $this->t('There are three types of list fields, which store different types of data: <em>float</em>, <em>integer</em> or, <em>text</em>. The <em>float</em> type allows storing approximate decimal values. The <em>integer</em> type allows storing whole numbers, such as years (for example, 2012) or values (for example, 1, 2, 5, 305). The <em>text</em> list field type allows storing text values. No matter which type of list field you choose, you can define whatever labels you wish for data entry.') . '</dd>';
+        $output .= '</dl>';
+        return $output;
+    }
+    return NULL;
+  }
+
+  /**
+   * Implements hook_ENTITY_TYPE_update() for 'field_storage_config'.
+   */
+  #[Hook('field_storage_config_update')]
+  public function fieldStorageConfigUpdate(FieldStorageConfigInterface $field_storage): void {
+    drupal_static_reset('options_allowed_values');
+  }
+
+  /**
+   * Implements hook_ENTITY_TYPE_delete() for 'field_storage_config'.
+   */
+  #[Hook('field_storage_config_delete')]
+  public function fieldStorageConfigDelete(FieldStorageConfigInterface $field_storage): void {
+    drupal_static_reset('options_allowed_values');
+  }
+
+  /**
+   * Implements hook_field_storage_config_update_forbid().
+   */
+  #[Hook('field_storage_config_update_forbid')]
+  public function fieldStorageConfigUpdateForbid(FieldStorageConfigInterface $field_storage, FieldStorageConfigInterface $prior_field_storage): void {
+    if ($field_storage->getTypeProvider() == 'options' && $field_storage->hasData()) {
+      // Forbid any update that removes allowed values with actual data.
+      $allowed_values = $field_storage->getSetting('allowed_values');
+      $prior_allowed_values = $prior_field_storage->getSetting('allowed_values');
+      $lost_keys = array_keys(array_diff_key($prior_allowed_values, $allowed_values));
+      if (_options_values_in_use($field_storage->getTargetEntityTypeId(), $field_storage->getName(), $lost_keys)) {
+        throw new FieldStorageDefinitionUpdateForbiddenException("A list field '{$field_storage->getName()}' with existing data cannot have its keys changed.");
+      }
+    }
+  }
+
+}

web/core/modules/options/src/Hook/OptionsViewsHooks.php

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+<?php
+
+namespace Drupal\options\Hook;
+
+use Drupal\field\FieldStorageConfigInterface;
+use Drupal\Core\Hook\Attribute\Hook;
+
+/**
+ * Hook implementations for options.
+ */
+class OptionsViewsHooks {
+
+  /**
+   * Implements hook_field_views_data().
+   *
+   * Views integration for list fields. Have a different filter handler and
+   * argument handlers for list fields. This should allow to select values of
+   * the list.
+   */
+  #[Hook('field_views_data')]
+  public function fieldViewsData(FieldStorageConfigInterface $field): array {
+    $data = \Drupal::service('views.field_data_provider')->defaultFieldImplementation($field);
+    foreach ($data as $table_name => $table_data) {
+      foreach ($table_data as $field_name => $field_data) {
+        if (isset($field_data['filter']) && $field_name != 'delta') {
+          $data[$table_name][$field_name]['filter']['id'] = 'list_field';
+        }
+        if (isset($field_data['argument']) && $field_name != 'delta') {
+          if ($field->getType() == 'list_string') {
+            $data[$table_name][$field_name]['argument']['id'] = 'string_list_field';
+          }
+          else {
+            $data[$table_name][$field_name]['argument']['id'] = 'number_list_field';
+          }
+        }
+      }
+    }
+    return $data;
+  }
+
+}

web/core/modules/options/src/Plugin/Field/FieldFormatter/OptionsDefaultFormatter.php

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+<?php
+
+namespace Drupal\options\Plugin\Field\FieldFormatter;
+
+use Drupal\Core\Field\Attribute\FieldFormatter;
+use Drupal\Core\Field\FieldFilteredMarkup;
+use Drupal\Core\Field\FormatterBase;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Form\OptGroup;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+
+/**
+ * Plugin implementation of the 'list_default' formatter.
+ */
+#[FieldFormatter(
+  id: 'list_default',
+  label: new TranslatableMarkup('Default'),
+  field_types: [
+    'list_integer',
+    'list_float',
+    'list_string',
+  ],
+)]
+class OptionsDefaultFormatter extends FormatterBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function viewElements(FieldItemListInterface $items, $langcode) {
+    $elements = [];
+
+    // Only collect allowed options if there are actually items to display.
+    if ($items->count()) {
+      $provider = $items->getFieldDefinition()
+        ->getFieldStorageDefinition()
+        ->getOptionsProvider('value', $items->getEntity());
+      // Flatten the possible options, to support opt groups.
+      $options = OptGroup::flattenOptions($provider->getPossibleOptions());
+
+      foreach ($items as $delta => $item) {
+        $value = $item->value;
+        // If the stored value is in the current set of allowed values, display
+        // the associated label, otherwise just display the raw value.
+        $output = $options[$value] ?? $value;
+        $elements[$delta] = [
+          '#markup' => $output,
+          '#allowed_tags' => FieldFilteredMarkup::allowedTags(),
+        ];
+      }
+    }
+
+    return $elements;
+  }
+
+}

web/core/modules/options/src/Plugin/Field/FieldFormatter/OptionsKeyFormatter.php

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+<?php
+
+namespace Drupal\options\Plugin\Field\FieldFormatter;
+
+use Drupal\Core\Field\Attribute\FieldFormatter;
+use Drupal\Core\Field\FieldFilteredMarkup;
+use Drupal\Core\Field\FormatterBase;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+
+/**
+ * Plugin implementation of the 'list_key' formatter.
+ */
+#[FieldFormatter(
+  id: 'list_key',
+  label: new TranslatableMarkup('Key'),
+  field_types: [
+    'list_integer',
+    'list_float',
+    'list_string',
+  ],
+)]
+class OptionsKeyFormatter extends FormatterBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function viewElements(FieldItemListInterface $items, $langcode) {
+    $elements = [];
+
+    foreach ($items as $delta => $item) {
+      $elements[$delta] = [
+        '#markup' => $item->value,
+        '#allowed_tags' => FieldFilteredMarkup::allowedTags(),
+      ];
+    }
+
+    return $elements;
+  }
+
+}

web/core/modules/options/src/Plugin/Field/FieldType/ListFloatItem.php

@@ -0,0 +1,138 @@
+<?php
+
+namespace Drupal\options\Plugin\Field\FieldType;
+
+use Drupal\Core\Field\Attribute\FieldType;
+use Drupal\Core\Field\FieldFilteredMarkup;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Render\Element;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\Core\TypedData\DataDefinition;
+
+/**
+ * Plugin implementation of the 'list_float' field type.
+ */
+#[FieldType(
+  id: "list_float",
+  label: new TranslatableMarkup("List (float)"),
+  description: [
+    new TranslatableMarkup("Values stored are floating-point numbers"),
+    new TranslatableMarkup("For example, 'Fraction': 0 => 0, .25 => 1/4, .75 => 3/4, 1 => 1"),
+  ],
+  category: "selection_list",
+  weight: -10,
+  no_ui: TRUE,
+  default_widget: "options_select",
+  default_formatter: "list_default",
+)]
+class ListFloatItem extends ListItemBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
+    $properties['value'] = DataDefinition::create('float')
+      ->setLabel(new TranslatableMarkup('Float value'))
+      ->setRequired(TRUE);
+
+    return $properties;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function schema(FieldStorageDefinitionInterface $field_definition) {
+    return [
+      'columns' => [
+        'value' => [
+          'type' => 'float',
+        ],
+      ],
+      'indexes' => [
+        'value' => ['value'],
+      ],
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function allowedValuesDescription() {
+    $description = '<p>' . $this->t('The name will be used in displayed options and edit forms. The value is the stored value, and must be numeric.') . '</p>';
+    $description .= '<p>' . $this->t('Allowed HTML tags in labels: @tags', ['@tags' => FieldFilteredMarkup::displayAllowedTags()]) . '</p>';
+    return $description;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static function extractAllowedValues($string, $has_data) {
+    $values = parent::extractAllowedValues($string, $has_data);
+    if ($values) {
+      $keys = array_keys($values);
+      $labels = array_values($values);
+      $keys = array_map(function ($key) {
+        // Float keys are represented as strings and need to be disambiguated
+        // ('.5' is '0.5').
+        return is_numeric($key) ? (string) (float) $key : $key;
+      }, $keys);
+
+      return array_combine($keys, $labels);
+    }
+    return $values;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static function validateAllowedValue($option) {
+    if (!is_numeric($option)) {
+      return new TranslatableMarkup('Allowed values list: each key must be a valid integer or decimal.');
+    }
+    return NULL;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function simplifyAllowedValues(array $structured_values) {
+    $values = [];
+    foreach ($structured_values as $item) {
+      // Nested elements are embedded in the label.
+      if (is_array($item['label'])) {
+        $item['label'] = static::simplifyAllowedValues($item['label']);
+      }
+      // Cast the value to a float first so that .5 and 0.5 are the same value
+      // and then cast to a string so that values like 0.5 can be used as array
+      // keys.
+      // @see http://php.net/manual/language.types.array.php
+      $values[(string) (float) $item['value']] = $item['label'];
+    }
+    return $values;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static function castAllowedValue($value) {
+    return (float) $value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function storageSettingsForm(array &$form, FormStateInterface $form_state, $has_data) {
+    $element = parent::storageSettingsForm($form, $form_state, $has_data);
+
+    foreach (Element::children($element['allowed_values']['table']) as $delta => $row) {
+      // @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/number
+      // @see \Drupal\Core\Field\Plugin\Field\FieldWidget\NumberWidget::formElement()
+      $element['allowed_values']['table'][$delta]['item']['key']['#step'] = 'any';
+      $element['allowed_values']['table'][$delta]['item']['key']['#type'] = 'number';
+    }
+
+    return $element;
+  }
+
+}

web/core/modules/options/src/Plugin/Field/FieldType/ListIntegerItem.php

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+<?php
+
+namespace Drupal\options\Plugin\Field\FieldType;
+
+use Drupal\Core\Field\Attribute\FieldType;
+use Drupal\Core\Field\FieldFilteredMarkup;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Render\Element;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\Core\TypedData\DataDefinition;
+
+/**
+ * Plugin implementation of the 'list_integer' field type.
+ */
+#[FieldType(
+  id: "list_integer",
+  label: new TranslatableMarkup("List (integer)"),
+  description: [
+    new TranslatableMarkup("Values stored are numbers without decimals"),
+    new TranslatableMarkup("For example, 'Lifetime in days': 1 => 1 day, 7 => 1 week, 31 => 1 month"),
+  ],
+  category: "selection_list",
+  weight: -30,
+  default_widget: "options_select",
+  default_formatter: "list_default",
+)]
+class ListIntegerItem extends ListItemBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
+    $properties['value'] = DataDefinition::create('integer')
+      ->setLabel(new TranslatableMarkup('Integer value'))
+      ->setRequired(TRUE);
+
+    return $properties;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function schema(FieldStorageDefinitionInterface $field_definition) {
+    return [
+      'columns' => [
+        'value' => [
+          'type' => 'int',
+        ],
+      ],
+      'indexes' => [
+        'value' => ['value'],
+      ],
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function allowedValuesDescription() {
+    $description = '<p>' . $this->t('The name will be used in displayed options and edit forms. The value is the stored value, and must be numeric.') . '</p>';
+    $description .= '<p>' . $this->t('Allowed HTML tags in labels: @tags', ['@tags' => FieldFilteredMarkup::displayAllowedTags()]) . '</p>';
+    return $description;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static function validateAllowedValue($option) {
+    if (!preg_match('/^-?\d+$/', $option)) {
+      return new TranslatableMarkup('Allowed values list: keys must be integers.');
+    }
+    return NULL;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static function castAllowedValue($value) {
+    return (int) $value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function storageSettingsForm(array &$form, FormStateInterface $form_state, $has_data) {
+    $element = parent::storageSettingsForm($form, $form_state, $has_data);
+
+    foreach (Element::children($element['allowed_values']['table']) as $delta => $row) {
+      // @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/number
+      // @see \Drupal\Core\Field\Plugin\Field\FieldWidget\NumberWidget::formElement()
+      $element['allowed_values']['table'][$delta]['item']['key']['#type'] = 'number';
+    }
+
+    return $element;
+  }
+
+}

web/core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php

@@ -0,0 +1,576 @@
+<?php
+
+namespace Drupal\options\Plugin\Field\FieldType;
+
+use Drupal\Component\Utility\Html;
+use Drupal\Component\Utility\NestedArray;
+use Drupal\Core\Ajax\AjaxResponse;
+use Drupal\Core\Ajax\FocusFirstCommand;
+use Drupal\Core\Ajax\InsertCommand;
+use Drupal\Core\Field\FieldDefinitionInterface;
+use Drupal\Core\Field\FieldItemBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Form\OptGroup;
+use Drupal\Core\Render\Element;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\Core\TypedData\OptionsProviderInterface;
+
+/**
+ * Plugin base class inherited by the options field types.
+ */
+abstract class ListItemBase extends FieldItemBase implements OptionsProviderInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function defaultStorageSettings() {
+    return [
+      'allowed_values' => [],
+      'allowed_values_function' => '',
+    ] + parent::defaultStorageSettings();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getPossibleValues(?AccountInterface $account = NULL) {
+    // Flatten options firstly, because Possible Options may contain group
+    // arrays.
+    $flatten_options = OptGroup::flattenOptions($this->getPossibleOptions($account));
+    return array_keys($flatten_options);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getPossibleOptions(?AccountInterface $account = NULL) {
+    return $this->getSettableOptions($account);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSettableValues(?AccountInterface $account = NULL) {
+    // Flatten options firstly, because Settable Options may contain group
+    // arrays.
+    $flatten_options = OptGroup::flattenOptions($this->getSettableOptions($account));
+    return array_keys($flatten_options);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSettableOptions(?AccountInterface $account = NULL) {
+    $allowed_options = options_allowed_values($this->getFieldDefinition()->getFieldStorageDefinition(), $this->getEntity());
+    return $allowed_options;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
+    $allowed_options = options_allowed_values($field_definition->getFieldStorageDefinition());
+    if (empty($allowed_options)) {
+      $values['value'] = NULL;
+      return $values;
+    }
+    $values['value'] = array_rand($allowed_options);
+    return $values;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function isEmpty() {
+    $value = $this->get('value')->getValue();
+
+    return empty($value) && (string) $value !== '0';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function storageSettingsForm(array &$form, FormStateInterface $form_state, $has_data) {
+    if (!array_key_exists('allowed_values', $form_state->getStorage())) {
+      $form_state->set('allowed_values', $this->getFieldDefinition()->getSetting('allowed_values'));
+    }
+    $form['field_storage_submit']['#submit'][] = [static::class, 'submitFieldStorageUpdate'];
+    $form['field_storage_submit']['#limit_validation_errors'] = [];
+
+    $allowed_values = $form_state->getStorage()['allowed_values'];
+    $allowed_values_function = $this->getSetting('allowed_values_function');
+
+    if (!$form_state->get('items_count')) {
+      $form_state->set('items_count', max(count($allowed_values), 0));
+    }
+
+    $wrapper_id = Html::getUniqueId('allowed-values-wrapper');
+    $element['allowed_values'] = [
+      '#element_validate' => [[static::class, 'validateAllowedValues']],
+      '#field_has_data' => $has_data,
+      '#allowed_values' => $allowed_values,
+      '#required' => TRUE,
+      '#prefix' => '<div id="' . $wrapper_id . '">',
+      '#suffix' => '</div>',
+      '#access' => empty($allowed_values_function),
+      'help_text' => ['#markup' => $this->allowedValuesDescription()],
+    ];
+    $element['allowed_values']['table'] = [
+      '#type' => 'table',
+      '#header' => [
+        $this->t('Allowed values'),
+        $this->t('Delete'),
+        $this->t('Weight'),
+      ],
+      '#attributes' => [
+        'id' => 'allowed-values-order',
+        'data-field-list-table' => TRUE,
+        'class' => ['allowed-values-table'],
+      ],
+      '#tabledrag' => [
+        [
+          'action' => 'order',
+          'relationship' => 'sibling',
+          'group' => 'weight',
+        ],
+      ],
+      '#attached' => [
+        'library' => [
+          'core/drupal.fieldListKeyboardNavigation',
+          'field_ui/drupal.field_ui',
+        ],
+      ],
+    ];
+
+    $max = $form_state->get('items_count');
+    $entity_type_id = $this->getFieldDefinition()->getTargetEntityTypeId();
+    $field_name = $this->getFieldDefinition()->getName();
+    $current_keys = array_keys($allowed_values);
+    for ($delta = 0; $delta <= $max; $delta++) {
+      $element['allowed_values']['table'][$delta] = [
+        '#attributes' => [
+          'class' => ['draggable'],
+        ],
+        '#weight' => $delta,
+      ];
+      $element['allowed_values']['table'][$delta]['item'] = [
+        'label' => [
+          '#type' => 'textfield',
+          '#title' => $this->t('Name'),
+          '#weight' => -30,
+          '#default_value' => isset($current_keys[$delta]) ? $allowed_values[$current_keys[$delta]] : '',
+          '#required' => $delta === 0,
+        ],
+        'key' => [
+          '#type' => 'textfield',
+          '#maxlength' => 255,
+          '#title' => $this->t('Value'),
+          '#default_value' => $current_keys[$delta] ?? '',
+          '#weight' => -20,
+          '#required' => $delta === 0,
+        ],
+      ];
+      $element['allowed_values']['table'][$delta]['delete'] = [
+        '#type' => 'submit',
+        '#value' => $this->t('Remove'),
+        '#name' => "remove_row_button__$delta",
+        '#id' => "remove_row_button__$delta",
+        '#delta' => $delta,
+        '#submit' => [[static::class, 'deleteSubmit']],
+        '#limit_validation_errors' => [],
+        '#ajax' => [
+          'callback' => [static::class, 'deleteAjax'],
+          'wrapper' => $wrapper_id,
+          'effect' => 'fade',
+        ],
+      ];
+      $element['allowed_values']['table'][$delta]['weight'] = [
+        '#type' => 'weight',
+        '#title' => $this->t('Weight for row @number', ['@number' => $delta + 1]),
+        '#title_display' => 'invisible',
+        '#delta' => 50,
+        '#default_value' => 0,
+        '#attributes' => ['class' => ['weight']],
+      ];
+      // Disable the remove button if there is only one row in the table.
+      if ($max === 0) {
+        $element['allowed_values']['table'][0]['delete']['#attributes']['disabled'] = 'disabled';
+      }
+      if ($delta < count($allowed_values)) {
+        $query = \Drupal::entityQuery($entity_type_id)
+          ->accessCheck(FALSE)
+          ->condition($field_name, $current_keys[$delta]);
+        $entity_ids = $query->execute();
+        if (!empty($entity_ids)) {
+          $element['allowed_values']['table'][$delta]['item']['key']['#attributes']['disabled'] = 'disabled';
+          $element['allowed_values']['table'][$delta]['delete']['#attributes']['disabled'] = 'disabled';
+          $element['allowed_values']['table'][$delta]['delete'] += [
+            'message' => [
+              '#type' => 'item',
+              '#markup' => $this->t('Cannot be removed: option in use.'),
+            ],
+          ];
+        }
+      }
+    }
+    $element['allowed_values']['table']['#max_delta'] = $max;
+    $element['allowed_values']['add_more_allowed_values'] = [
+      '#type' => 'submit',
+      '#name' => 'add_more_allowed_values',
+      '#value' => $this->t('Add another item'),
+      '#attributes' => [
+        'class' => ['field-add-more-submit'],
+        'data-field-list-button' => TRUE,
+      ],
+      // Allow users to add another row without requiring existing rows to have
+      // values.
+      '#limit_validation_errors' => [],
+      '#submit' => [[static::class, 'addMoreSubmit']],
+      '#ajax' => [
+        'callback' => [static::class, 'addMoreAjax'],
+        'wrapper' => $wrapper_id,
+        'effect' => 'fade',
+        'progress' => [
+          'type' => 'throbber',
+          'message' => $this->t('Adding a new item...'),
+        ],
+      ],
+    ];
+
+    $element['allowed_values_function'] = [
+      '#type' => 'item',
+      '#title' => $this->t('Allowed values list'),
+      '#markup' => $this->t('The value of this field is being determined by the %function function and may not be changed.', ['%function' => $allowed_values_function]),
+      '#access' => !empty($allowed_values_function),
+      '#value' => $allowed_values_function,
+    ];
+
+    return $element;
+  }
+
+  /**
+   * Adds a new option.
+   *
+   * @param array $form
+   *   The form array to add elements to.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   */
+  public static function addMoreSubmit(array $form, FormStateInterface $form_state) {
+    $form_state->set('items_count', $form_state->get('items_count') + 1);
+    $form_state->setRebuild();
+  }
+
+  /**
+   * Ajax callback for the "Add another item" button.
+   */
+  public static function addMoreAjax(array $form, FormStateInterface $form_state) {
+    $button = $form_state->getTriggeringElement();
+
+    // Go one level up in the form.
+    $element = NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -1));
+    $delta = $element['table']['#max_delta'];
+    $element['table'][$delta]['item']['#prefix'] = '<div class="ajax-new-content" data-drupal-selector="field-list-add-more-focus-target">' . ($element['table'][$delta]['item']['#prefix'] ?? '');
+    $element['table'][$delta]['item']['#suffix'] = ($element['table'][$delta]['item']['#suffix'] ?? '') . '</div>';
+    // Enable the remove button for the first row if there are more rows.
+    if ($delta > 0 && isset($element['table'][0]['delete']['#attributes']['disabled']) && !isset($element['table'][0]['item']['key']['#attributes']['disabled'])) {
+      unset($element['table'][0]['delete']['#attributes']['disabled']);
+    }
+
+    $response = new AjaxResponse();
+    $response->addCommand(new InsertCommand(NULL, $element));
+    $response->addCommand(new FocusFirstCommand('[data-drupal-selector="field-list-add-more-focus-target"]'));
+
+    return $response;
+  }
+
+  /**
+   * Deletes a row/option.
+   *
+   * @param array $form
+   *   The form array to add elements to.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   */
+  public static function deleteSubmit(array $form, FormStateInterface $form_state) {
+    $allowed_values = $form_state->getStorage()['allowed_values'];
+    $button = $form_state->getTriggeringElement();
+    $element = NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -1));
+    $item_to_be_removed = $element['item']['label']['#default_value'];
+    $remaining_allowed_values = array_diff($allowed_values, [$item_to_be_removed]);
+    $form_state->set('allowed_values', $remaining_allowed_values);
+
+    // The user input is directly modified to preserve the rest of the data on
+    // the page as it cannot be rebuilt from a fresh form state.
+    $user_input = $form_state->getUserInput();
+    NestedArray::unsetValue($user_input, $element['#parents']);
+
+    // Reset the keys in the array.
+    $table_parents = $element['#parents'];
+    array_pop($table_parents);
+    $new_values = array_values(NestedArray::getValue($user_input, $table_parents));
+    NestedArray::setValue($user_input, $table_parents, $new_values);
+
+    $form_state->setUserInput($user_input);
+    $form_state->set('items_count', $form_state->get('items_count') - 1);
+
+    $form_state->setRebuild();
+  }
+
+  /**
+   * Ajax callback for per row delete button.
+   */
+  public static function deleteAjax(array $form, FormStateInterface $form_state) {
+    $button = $form_state->getTriggeringElement();
+
+    return NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -3));
+  }
+
+  /**
+   * Provides the field type specific allowed values form element #description.
+   *
+   * @return string
+   *   The field type allowed values form specific description.
+   */
+  abstract protected function allowedValuesDescription();
+
+  /**
+   * Render API callback: Validates the allowed values of an options field.
+   *
+   * This function is assigned as a #element_validate callback.
+   *
+   * @param array $element
+   *   An associative array containing the properties and children of the
+   *   generic form element.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form for the form this element belongs to.
+   *
+   * @see \Drupal\Core\Render\Element\FormElementBase::processPattern()
+   */
+  public static function validateAllowedValues($element, FormStateInterface $form_state) {
+    $items = array_filter(array_map(function ($item) use ($element) {
+      $current_element = $element['table'][$item];
+      $key_has_input = isset($current_element['item']['key']['#value']) && $current_element['item']['key']['#value'] !== '';
+      $label_has_input = isset($current_element['item']['label']['#value']) && $current_element['item']['label']['#value'] !== '';
+      if ($key_has_input) {
+        if ($label_has_input) {
+          return $current_element['item']['key']['#value'] . '|' . $current_element['item']['label']['#value'];
+        }
+
+        return $current_element['item']['key']['#value'];
+      }
+
+      if ($label_has_input) {
+        return $current_element['item']['label']['#value'];
+      }
+
+      return NULL;
+    }, Element::children($element['table'])), function ($item) {
+      return $item;
+    });
+    if ($reordered_items = $form_state->getValue([...$element['#parents'], 'table'])) {
+      uksort($items, function ($a, $b) use ($reordered_items) {
+        $a_weight = $reordered_items[$a]['weight'] ?? 0;
+        $b_weight = $reordered_items[$b]['weight'] ?? 0;
+        return $a_weight <=> $b_weight;
+      });
+    }
+    $values = static::extractAllowedValues($items, $element['#field_has_data']);
+
+    if (!is_array($values)) {
+      $form_state->setError($element, new TranslatableMarkup('Allowed values list: invalid input.'));
+    }
+    else {
+      // Check that keys are valid for the field type.
+      foreach ($values as $key => $value) {
+        if ($error = static::validateAllowedValue($key)) {
+          $form_state->setError($element, $error);
+          break;
+        }
+      }
+
+      $form_state->setValueForElement($element, $values);
+    }
+  }
+
+  /**
+   * Extracts the allowed values array from the allowed_values element.
+   *
+   * @param array $list
+   *   The raw string or array to extract values from.
+   * @param bool $has_data
+   *   The current field already has data inserted or not.
+   *
+   * @return array|null
+   *   The array of extracted key/value pairs, or NULL if the string is invalid.
+   *
+   * @see \Drupal\options\Plugin\Field\FieldType\ListItemBase::allowedValuesString()
+   */
+  protected static function extractAllowedValues(array $list, bool $has_data) {
+    $values = [];
+
+    $generated_keys = $explicit_keys = FALSE;
+    foreach ($list as $position => $text) {
+      // Check for an explicit key.
+      $matches = [];
+      if (preg_match('/(.*)\|(.*)/', $text, $matches)) {
+        // Trim key and value to avoid unwanted spaces issues.
+        $key = trim($matches[1]);
+        $value = trim($matches[2]);
+        $explicit_keys = TRUE;
+      }
+      // Otherwise see if we can use the value as the key.
+      elseif (!static::validateAllowedValue($text)) {
+        $key = $value = $text;
+        $explicit_keys = TRUE;
+      }
+      // Otherwise see if we can generate a key from the position.
+      elseif (!$has_data) {
+        $key = (string) $position;
+        $value = $text;
+        $generated_keys = TRUE;
+      }
+      else {
+        return;
+      }
+
+      $values[$key] = $value;
+    }
+
+    // We generate keys only if the list contains no explicit key at all.
+    if ($explicit_keys && $generated_keys) {
+      return;
+    }
+
+    return $values;
+  }
+
+  /**
+   * Checks whether a candidate allowed value is valid.
+   *
+   * @param string $option
+   *   The option value entered by the user.
+   *
+   * @return \Drupal\Core\StringTranslation\TranslatableMarkup|string|null
+   *   The error message if the specified value is invalid, NULL otherwise.
+   */
+  protected static function validateAllowedValue($option) {
+    return NULL;
+  }
+
+  /**
+   * Generates a string representation of an array of 'allowed values'.
+   *
+   * This string format is suitable for edition in a textarea.
+   *
+   * @param array $values
+   *   An array of values, where array keys are values and array values are
+   *   labels.
+   *
+   * @return string
+   *   The string representation of the $values array:
+   *    - Values are separated by a carriage return.
+   *    - Each value is in the format "value|label" or "value".
+   */
+  protected function allowedValuesString($values) {
+    $lines = [];
+    foreach ($values as $key => $value) {
+      $lines[] = "$key|$value";
+    }
+    return implode("\n", $lines);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function storageSettingsToConfigData(array $settings) {
+    if (isset($settings['allowed_values'])) {
+      $settings['allowed_values'] = static::structureAllowedValues($settings['allowed_values']);
+    }
+    return $settings;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function storageSettingsFromConfigData(array $settings) {
+    if (isset($settings['allowed_values'])) {
+      $settings['allowed_values'] = static::simplifyAllowedValues($settings['allowed_values']);
+    }
+    return $settings;
+  }
+
+  /**
+   * Simplifies allowed values to a key-value array from the structured array.
+   *
+   * @param array $structured_values
+   *   Array of items with a 'value' and 'label' key each for the allowed
+   *   values.
+   *
+   * @return array
+   *   Allowed values were the array key is the 'value' value, the value is
+   *   the 'label' value.
+   *
+   * @see \Drupal\options\Plugin\Field\FieldType\ListItemBase::structureAllowedValues()
+   */
+  protected static function simplifyAllowedValues(array $structured_values) {
+    $values = [];
+    foreach ($structured_values as $item) {
+      if (is_array($item['label'])) {
+        // Nested elements are embedded in the label.
+        $item['label'] = static::simplifyAllowedValues($item['label']);
+      }
+      $values[$item['value']] = $item['label'];
+    }
+    return $values;
+  }
+
+  /**
+   * Creates a structured array of allowed values from a key-value array.
+   *
+   * @param array $values
+   *   Allowed values were the array key is the 'value' value, the value is
+   *   the 'label' value.
+   *
+   * @return array
+   *   Array of items with a 'value' and 'label' key each for the allowed
+   *   values.
+   *
+   * @see \Drupal\options\Plugin\Field\FieldType\ListItemBase::simplifyAllowedValues()
+   */
+  protected static function structureAllowedValues(array $values) {
+    $structured_values = [];
+    foreach ($values as $value => $label) {
+      if (is_array($label)) {
+        $label = static::structureAllowedValues($label);
+      }
+      $structured_values[] = [
+        'value' => static::castAllowedValue($value),
+        'label' => $label,
+      ];
+    }
+    return $structured_values;
+  }
+
+  /**
+   * Converts a value to the correct type.
+   *
+   * @param mixed $value
+   *   The value to cast.
+   *
+   * @return mixed
+   *   The casted value.
+   */
+  protected static function castAllowedValue($value) {
+    return $value;
+  }
+
+  /**
+   * Resets the static variable on field storage update.
+   */
+  public static function submitFieldStorageUpdate() {
+    drupal_static_reset('options_allowed_values');
+  }
+
+}

web/core/modules/options/src/Plugin/Field/FieldType/ListStringItem.php

@@ -0,0 +1,144 @@
+<?php
+
+namespace Drupal\options\Plugin\Field\FieldType;
+
+use Drupal\Core\Field\Attribute\FieldType;
+use Drupal\Core\Field\FieldFilteredMarkup;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Render\Element;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\Core\TypedData\DataDefinition;
+
+/**
+ * Plugin implementation of the 'list_string' field type.
+ */
+#[FieldType(
+  id: "list_string",
+  label: new TranslatableMarkup("List (text)"),
+  description: [
+    new TranslatableMarkup("Values stored are text values"),
+    new TranslatableMarkup("For example, 'US States': IL => Illinois, IA => Iowa, IN => Indiana"),
+  ],
+  category: "selection_list",
+  weight: -50,
+  default_widget: "options_select",
+  default_formatter: "list_default",
+)]
+class ListStringItem extends ListItemBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
+    $properties['value'] = DataDefinition::create('string')
+      ->setLabel(new TranslatableMarkup('Text value'))
+      ->addConstraint('Length', ['max' => 255])
+      ->setRequired(TRUE);
+
+    return $properties;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function schema(FieldStorageDefinitionInterface $field_definition) {
+    return [
+      'columns' => [
+        'value' => [
+          'type' => 'varchar',
+          'length' => 255,
+        ],
+      ],
+      'indexes' => [
+        'value' => ['value'],
+      ],
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function allowedValuesDescription() {
+    $description = '<p>' . $this->t('The name will be used in displayed options and edit forms.');
+    $description .= '<br/>' . $this->t('The value is automatically generated machine name of the name provided and will be the stored value.');
+    $description .= '</p>';
+    $description .= '<p>' . $this->t('Allowed HTML tags in labels: @tags', ['@tags' => FieldFilteredMarkup::displayAllowedTags()]) . '</p>';
+    return $description;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static function validateAllowedValue($option) {
+    if (mb_strlen($option) > 255) {
+      return new TranslatableMarkup('Allowed values list: each key must be a string at most 255 characters long.');
+    }
+    return NULL;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static function castAllowedValue($value) {
+    return (string) $value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function storageSettingsForm(array &$form, FormStateInterface $form_state, $has_data) {
+    $element = parent::storageSettingsForm($form, $form_state, $has_data);
+
+    // Improve user experience by using an automatically generated machine name.
+    foreach (Element::children($element['allowed_values']['table']) as $delta => $row) {
+      $element['allowed_values']['table'][$delta]['item']['key']['#type'] = 'machine_name';
+      // ListItemBase::storageSettingsForm() will set the default value to an
+      // integer if the key is a decimal integer string, so cast it back here.
+      $element['allowed_values']['table'][$delta]['item']['key']['#default_value'] = (string) $element['allowed_values']['table'][$delta]['item']['key']['#default_value'];
+      $element['allowed_values']['table'][$delta]['item']['key']['#machine_name'] = [
+        'exists' => [static::class, 'exists'],
+      ];
+      $element['allowed_values']['table'][$delta]['item']['key']['#process'] = array_merge(
+        [[static::class, 'processAllowedValuesKey']],
+        // Workaround for https://drupal.org/i/1300290#comment-12873635.
+        \Drupal::service('plugin.manager.element_info')->getInfoProperty('machine_name', '#process', []),
+      );
+      // Remove #element_validate from the machine name so that any value can be
+      // used as a key, while keeping the widget's behavior for generating
+      // defaults the same.
+      $element['allowed_values']['table'][$delta]['item']['key']['#element_validate'] = [];
+    }
+
+    return $element;
+  }
+
+  /**
+   * Sets the machine name source to be the label.
+   */
+  public static function processAllowedValuesKey(array &$element): array {
+    $parents = $element['#parents'];
+    array_pop($parents);
+    $parents[] = 'label';
+    $element['#machine_name']['source'] = $parents;
+
+    // Override the default description which is not applicable to this use of
+    // the machine name element given that it allows users to manually enter
+    // characters usually not allowed in machine names.
+    if (!isset($element['#description'])) {
+      $element['#description'] = '';
+    }
+
+    return $element;
+  }
+
+  /**
+   * Checks for existing keys for allowed values.
+   */
+  public static function exists(): bool {
+    // Without access to the current form state, we cannot know if a given key
+    // is in use. Return FALSE in all cases.
+    return FALSE;
+  }
+
+}

web/core/modules/options/src/Plugin/migrate/field/d6/OptionWidgetsField.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Drupal\options\Plugin\migrate\field\d6;
+
+use Drupal\migrate_drupal\Attribute\MigrateField;
+use Drupal\migrate_drupal\Plugin\migrate\field\FieldPluginBase;
+
+// cspell:ignore optionwidgets
+/**
+ * MigrateField Plugin for Drupal 6 options fields.
+ */
+#[MigrateField(
+  id: 'optionwidgets',
+  core: [6],
+  source_module: 'optionwidgets',
+  destination_module: 'options',
+)]
+class OptionWidgetsField extends FieldPluginBase {}

web/core/modules/options/src/Plugin/migrate/field/d7/ListField.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Drupal\options\Plugin\migrate\field\d7;
+
+use Drupal\migrate_drupal\Attribute\MigrateField;
+use Drupal\migrate_drupal\Plugin\migrate\field\FieldPluginBase;
+
+/**
+ * Migrate field plugin for Drupal 7 list fields.
+ */
+#[MigrateField(
+  id: 'list',
+  core: [7],
+  type_map: [
+    'list_boolean' => 'boolean',
+    'list_integer' => 'list_integer',
+    'list_text' => 'list_string',
+    'list_float' => 'list_float',
+  ],
+  source_module: 'list',
+  destination_module: 'options',
+)]
+class ListField extends FieldPluginBase {}

web/core/modules/options/src/Plugin/migrate/field/d7/OptionsField.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Drupal\options\Plugin\migrate\field\d7;
+
+use Drupal\migrate_drupal\Attribute\MigrateField;
+use Drupal\migrate_drupal\Plugin\migrate\field\FieldPluginBase;
+
+/**
+ * Migrate field plugin for Drupal 7 options fields.
+ */
+#[MigrateField(
+  id: 'options',
+  core: [7],
+  source_module: 'options',
+  destination_module: 'options',
+)]
+class OptionsField extends FieldPluginBase {}

web/core/modules/options/src/Plugin/views/argument/NumberListField.php

@@ -0,0 +1,85 @@
+<?php
+
+namespace Drupal\options\Plugin\views\argument;
+
+use Drupal\Core\Field\FieldFilteredMarkup;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\views\Attribute\ViewsArgument;
+use Drupal\views\FieldAPIHandlerTrait;
+use Drupal\views\ViewExecutable;
+use Drupal\views\Plugin\views\display\DisplayPluginBase;
+use Drupal\views\Plugin\views\argument\NumericArgument;
+
+/**
+ * Argument handler for list field to show human readable name in the summary.
+ *
+ * @ingroup views_argument_handlers
+ */
+#[ViewsArgument(
+  id: 'number_list_field',
+)]
+class NumberListField extends NumericArgument {
+
+  use FieldAPIHandlerTrait;
+
+  /**
+   * Stores the allowed values of this field.
+   *
+   * @var array
+   */
+  protected $allowedValues = NULL;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function init(ViewExecutable $view, DisplayPluginBase $display, ?array &$options = NULL) {
+    parent::init($view, $display, $options);
+
+    $field_storage = $this->getFieldStorageDefinition();
+    $this->allowedValues = options_allowed_values($field_storage);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function defineOptions() {
+    $options = parent::defineOptions();
+    $options['summary']['contains']['human'] = ['default' => FALSE];
+
+    return $options;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
+    parent::buildOptionsForm($form, $form_state);
+
+    $form['summary']['human'] = [
+      '#title' => $this->t('Display list value as human readable'),
+      '#type' => 'checkbox',
+      '#default_value' => $this->options['summary']['human'],
+      '#states' => [
+        'visible' => [
+          ':input[name="options[default_action]"]' => ['value' => 'summary'],
+        ],
+      ],
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function summaryName($data) {
+    $value = $data->{$this->name_alias};
+    // If the list element has a human readable name show it.
+    if (isset($this->allowedValues[$value]) && !empty($this->options['summary']['human'])) {
+      return FieldFilteredMarkup::create($this->allowedValues[$value]);
+    }
+    // Else, fallback to the key.
+    else {
+      return $value;
+    }
+  }
+
+}

web/core/modules/options/src/Plugin/views/argument/StringListField.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace Drupal\options\Plugin\views\argument;
+
+use Drupal\Core\Field\FieldFilteredMarkup;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\views\Attribute\ViewsArgument;
+use Drupal\views\FieldAPIHandlerTrait;
+use Drupal\views\ViewExecutable;
+use Drupal\views\Plugin\views\display\DisplayPluginBase;
+use Drupal\views\Plugin\views\argument\StringArgument;
+
+/**
+ * Argument handler for list field to show the human readable name in summary.
+ *
+ * @ingroup views_argument_handlers
+ */
+#[ViewsArgument(
+  id: 'string_list_field',
+)]
+class StringListField extends StringArgument {
+
+  use FieldAPIHandlerTrait;
+
+  /**
+   * Stores the allowed values of this field.
+   *
+   * @var array
+   */
+  protected $allowedValues = NULL;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function init(ViewExecutable $view, DisplayPluginBase $display, ?array &$options = NULL) {
+    parent::init($view, $display, $options);
+
+    $field_storage = $this->getFieldStorageDefinition();
+    $this->allowedValues = options_allowed_values($field_storage);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function defineOptions() {
+    $options = parent::defineOptions();
+
+    $options['summary']['contains']['human'] = ['default' => FALSE];
+
+    return $options;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
+    parent::buildOptionsForm($form, $form_state);
+
+    $form['summary']['human'] = [
+      '#title' => $this->t('Display list value as human readable'),
+      '#type' => 'checkbox',
+      '#default_value' => $this->options['summary']['human'],
+      '#states' => [
+        'visible' => [
+          ':input[name="options[default_action]"]' => ['value' => 'summary'],
+        ],
+      ],
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function summaryName($data) {
+    $value = $data->{$this->name_alias};
+    // If the list element has a human readable name show it.
+    if (isset($this->allowedValues[$value]) && !empty($this->options['summary']['human'])) {
+      $value = $this->allowedValues[$value];
+    }
+    return FieldFilteredMarkup::create($this->caseTransform($value, $this->options['case']));
+  }
+
+}

web/core/modules/options/src/Plugin/views/filter/ListField.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Drupal\options\Plugin\views\filter;
+
+use Drupal\views\Attribute\ViewsFilter;
+use Drupal\views\FieldAPIHandlerTrait;
+use Drupal\views\Plugin\views\display\DisplayPluginBase;
+use Drupal\views\Plugin\views\filter\ManyToOne;
+use Drupal\views\ViewExecutable;
+
+/**
+ * Filter handler which uses list-fields as options.
+ *
+ * @ingroup views_filter_handlers
+ */
+#[ViewsFilter("list_field")]
+class ListField extends ManyToOne {
+
+  use FieldAPIHandlerTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function init(ViewExecutable $view, DisplayPluginBase $display, ?array &$options = NULL) {
+    parent::init($view, $display, $options);
+
+    $field_storage = $this->getFieldStorageDefinition();
+    // Set valueOptions here so getValueOptions() will just return it.
+    $this->valueOptions = options_allowed_values($field_storage);
+  }
+
+}