Issue #3314957 by dave reid: Add dependencies on selected entities, view modes, and entity browser

Closes #3314957

src/Plugin/Block/EntityBrowserBlock.php

@@ -312,4 +312,21 @@ class EntityBrowserBlock extends BlockBase implements ContainerFactoryPluginInte
     return $build;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function calculateDependencies(): array {
+    $dependencies = parent::calculateDependencies();
+    if ($entities = static::loadEntitiesByIDs($this->configuration['entity_ids'])) {
+      foreach ($entities as $id => $entity) {
+        $dependencies[$entity->getConfigDependencyKey()][] = $entity->getConfigDependencyName();
+        $view_mode = $this->configuration['view_modes'][$id];
+        $dependencies['config'][] = 'core.entity_view_display.' . $entity->getEntityTypeId() . '.' . $entity->bundle() . $view_mode;
+      }
+    }
+    // This block is dependent on the entity browser itself.
+    $dependencies['config'][] = 'entity_browser.browser.' . $this->getDerivativeId();
+    return $dependencies;
+  }
+
 }