Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / lib / Drupal / Core / Field / FieldInputValueNormalizerTrait.php

diff --git a/web/core/lib/Drupal/Core/Field/FieldInputValueNormalizerTrait.php b/web/core/lib/Drupal/Core/Field/FieldInputValueNormalizerTrait.php
new file mode 100644 (file)
index 0000000..f4a7c5d
--- /dev/null
+++ b/web/core/lib/Drupal/Core/Field/FieldInputValueNormalizerTrait.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Drupal\Core\Field;
+
+/**
+ * A trait used to assist in the normalization of raw input field values.
+ *
+ * @internal
+ *
+ * @see \Drupal\Core\Field\FieldConfigBase
+ * @see \Drupal\Core\Field\BaseFieldDefinition
+ */
+trait FieldInputValueNormalizerTrait {
+
+  /**
+   * Ensure a field value is transformed into a format keyed by delta.
+   *
+   * @param mixed $value
+   *   The raw field value to normalize.
+   * @param string $main_property_name
+   *   The main field property name.
+   *
+   * @return array
+   *   A field value normalized into a format keyed by delta.
+   */
+  protected static function normalizeValue(&$value, $main_property_name) {
+    if (!isset($value) || $value === NULL) {
+      return [];
+    }
+    if (!is_array($value)) {
+      if ($main_property_name === NULL) {
+        throw new \InvalidArgumentException('A main property is required when normalizing scalar field values.');
+      }
+      return [[$main_property_name => $value]];
+    }
+    if (!empty($value) && !is_numeric(array_keys($value)[0])) {
+      return [0 => $value];
+    }
+    return $value;
+  }
+
+}