updated core to 8.6.3

core/modules/datetime_range/datetime_range.module

@@ -53,9 +53,13 @@ function datetime_range_view_presave(ViewEntityInterface $view) {
     if (isset($display['display_options']['filters'])) {
       foreach ($display['display_options']['filters'] as $field_name => &$filter) {
         if ($filter['plugin_id'] === 'string') {
+          $table_data = Views::viewsData()->get($filter['table']);
+          if (!$table_data) {
+            continue;
+          }
 
           // Get field config.
-          $filter_views_data = Views::viewsData()->get($filter['table'])[$filter['field']]['filter'];
+          $filter_views_data = $table_data[$filter['field']]['filter'];
           if (!isset($filter_views_data['entity_type']) || !isset($filter_views_data['field_name'])) {
             continue;
           }
@@ -128,9 +132,13 @@ function datetime_range_view_presave(ViewEntityInterface $view) {
     if (isset($display['display_options']['sorts'])) {
       foreach ($display['display_options']['sorts'] as $field_name => &$sort) {
         if ($sort['plugin_id'] === 'standard') {
+          $table_data = Views::viewsData()->get($sort['table']);
+          if (!$table_data) {
+            continue;
+          }
 
           // Get field config.
-          $sort_views_data = Views::viewsData()->get($sort['table'])[$sort['field']]['sort'];
+          $sort_views_data = $table_data[$sort['field']]['sort'];
           if (!isset($sort_views_data['entity_type']) || !isset($sort_views_data['field_name'])) {
             continue;
           }

core/modules/datetime_range/tests/modules/datetime_range_test/datetime_range_test.info.yml

@@ -0,0 +1,8 @@
+name: 'Datetime range test'
+type: module
+description: 'Provides a testing module for datetime_range.'
+package: Testing
+version: VERSION
+core: 8.x
+dependencies:
+  - drupal:taxonomy

core/modules/datetime_range/tests/modules/datetime_range_test/datetime_range_test.module

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * @file
+ * Contains datetime_range_test.module
+ */
+
+/**
+ * Implements hook_entity_type_alter().
+ */
+function datetime_range_test_entity_type_alter(array &$entity_types) {
+  // Inhibit views data for the 'taxonomy_term' entity type in order to cover
+  // the case when an entity type provides no views data.
+  // @see https://www.drupal.org/project/drupal/issues/2995578
+  // @see \Drupal\Tests\datetime_range\Kernel\Views\EntityTypeWithoutViewsDataTest
+  $entity_types['taxonomy_term']->setHandlerClass('views_data', NULL);
+}

core/modules/datetime_range/tests/src/Kernel/Views/EntityTypeWithoutViewsDataTest.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Drupal\Tests\datetime_range\Kernel\Views;
+
+use Drupal\Core\Config\InstallStorage;
+use Drupal\Core\Serialization\Yaml;
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\views\Entity\View;
+
+/**
+ * Tests datetime_range.module when an entity type provides no views data.
+ *
+ * @group datetime
+ */
+class EntityTypeWithoutViewsDataTest extends KernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'datetime_range',
+    'datetime_range_test',
+    'node',
+    'system',
+    'taxonomy',
+    'text',
+    'user',
+    'views',
+  ];
+
+  /**
+   * Tests the case when an entity type provides no views data.
+   *
+   * @see datetime_test_entity_type_alter()
+   * @see datetime_range_view_presave()
+   */
+  public function testEntityTypeWithoutViewsData() {
+    $view_yaml = drupal_get_path('module', 'taxonomy') . '/' . InstallStorage::CONFIG_OPTIONAL_DIRECTORY . '/views.view.taxonomy_term.yml';
+    $values = Yaml::decode(file_get_contents($view_yaml));
+    $this->assertEquals(SAVED_NEW, View::create($values)->save());
+  }
+
+}