Issue #3360486: inline_entity_form integration

publishcontent.module

@@ -38,3 +38,13 @@ function publishcontent_form_node_form_alter(&$form, FormStateInterface $form_st
     }
   }
 }
+
+/**
+ * Implements hook_inline_entity_form_entity_form_alter().
+ */
+function publishcontent_inline_entity_form_entity_form_alter(array &$entity_form, FormStateInterface &$form_state) {
+  // Publishcontent module logic only applies to nodes at the moment.
+  if ($entity_form['#entity_type'] === 'node') {
+    publishcontent_form_node_form_alter($entity_form, $form_state);
+  }
+}