Add integer field support to field factory service.

docs/development/module/services.md

@@ -133,6 +133,9 @@ Both methods expect an array of field definition options. These include:
     - `fraction` - High-precision decimal number storage.
     - `geofield` - Geometry on a map.
     - `image` - Image upload.
+    - `integer` - Integer number. Additional options:
+        - `size` (optional) - The integer database column size (`tiny`,
+          `small`, `medium`, `normal`, or `big`). Defaults to `normal`.
     - `list_string` - Select list with allowed values. Additional options:
         - `allowed_values` - An associative array of allowed values.
         - `allowed_values_function` - The name of a function that returns an

modules/core/field/src/FarmFieldFactory.php

@@ -141,6 +141,10 @@ protected function buildFieldDefinition(BaseFieldDefinition &$field, array $opti
         $this->modifyIdTagField($field, $options);
         break;
 
+      case 'integer':
+        $this->modifyIntegerField($field, $options);
+        break;
+
       case 'inventory':
         $this->modifyInventoryField($field, $options);
         break;
@@ -698,6 +702,33 @@ protected function modifyIdTagField(BaseFieldDefinition &$field, array $options
     ]);
   }
 
+  /**
+   * Integer field modifier.
+   *
+   * @param \Drupal\Core\Field\BaseFieldDefinition &$field
+   *   A base field definition object.
+   * @param array $options
+   *   An array of options.
+   */
+  protected function modifyIntegerField(BaseFieldDefinition &$field, array $options = []) {
+
+    // Set the size, if specified.
+    if (!empty($options['size'])) {
+      $field->setSetting('size', $options['size']);
+    }
+
+    // Build form and view display settings.
+    $field->setDisplayOptions('form', [
+      'type' => 'number',
+      'weight' => $options['weight']['form'] ?? 0,
+    ]);
+    $field->setDisplayOptions('view', [
+      'label' => 'inline',
+      'type' => 'number_integer',
+      'weight' => $options['weight']['view'] ?? 0,
+    ]);
+  }
+
   /**
    * Inventory field modifier.
    *