--- /dev/null
+{% extends "base/class.php.twig" %}
+
+{% block file_path %}
+\Drupal\{{ module }}\Plugin\Field\FieldFormatter\{{ class_name }}.
+{% endblock %}
+
+{% block namespace_class %}
+namespace Drupal\{{ module }}\Plugin\Field\FieldFormatter;
+{% endblock %}
+
+{% block use_class %}
+use Drupal\Component\Utility\Html;
+use Drupal\Core\Field\FieldItemInterface;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Field\FormatterBase;
+use Drupal\Core\Form\FormStateInterface;
+{% endblock %}
+
+{% block class_declaration %}
+/**
+ * Plugin implementation of the '{{ plugin_id }}' formatter.
+ *
+ * @FieldFormatter(
+ * id = "{{ plugin_id }}",
+ * label = @Translation("{{ label }}"){% if field_type %},
+ * field_types = {
+ * "{{ field_type }}"
+ * }
+{% else %}
+
+ * At least one field_types annotation array entry is necessary to display this formatter in the UI.
+ * ex. field_types = { "field_type" }
+{% endif %}
+ * )
+ */
+class {{ class_name }} extends FormatterBase {% endblock %}
+{% block class_methods %}
+ /**
+ * {@inheritdoc}
+ */
+ public static function defaultSettings() {
+ return [
+ // Implement default settings.
+ ] + parent::defaultSettings();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsForm(array $form, FormStateInterface $form_state) {
+ return [
+ // Implement settings form.
+ ] + parent::settingsForm($form, $form_state);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsSummary() {
+ $summary = [];
+ // Implement settings summary.
+
+ return $summary;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function viewElements(FieldItemListInterface $items, $langcode) {
+ $elements = [];
+
+ foreach ($items as $delta => $item) {
+ $elements[$delta] = ['#markup' => $this->viewValue($item)];
+ }
+
+ return $elements;
+ }
+
+ /**
+ * Generate the output appropriate for one field item.
+ *
+ * @param \Drupal\Core\Field\FieldItemInterface $item
+ * One field item.
+ *
+ * @return string
+ * The textual output generated.
+ */
+ protected function viewValue(FieldItemInterface $item) {
+ // The text value has no text format assigned to it, so the user input
+ // should equal the output, including newlines.
+ return nl2br(Html::escape($item->value));
+ }
+{% endblock %}