clean install

web/themes/gin/gin.api.php

@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @file
+ * Hooks for gin theme.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Register routes to apply Gin’s content edit form layout.
+ *
+ * Leverage this hook to achieve a consistent user interface layout on
+ * administrative edit forms, similar to the node edit forms. Any module
+ * providing a custom entity type or form mode may wish to implement this
+ * hook for their form routes. Please note that not every content entity
+ * form route should enable the Gin edit form layout, for example the
+ * delete entity form does not need it.
+ *
+ * @return array
+ *   An array of route names.
+ *
+ * @see GinContentFormHelper->isContentForm()
+ * @see hook_gin_content_form_routes_alter()
+ */
+function hook_gin_content_form_routes() {
+  return [
+    // Layout a custom node form.
+    'entity.node.my_custom_form',
+
+    // Layout a custom entity type edit form.
+    'entity.my_type.edit_form',
+  ];
+}
+
+/**
+ * Alter the registered routes to enable or disable Gin’s edit form layout.
+ *
+ * @param array $routes
+ *   The list of routes.
+ *
+ * @see GinContentFormHelper->isContentForm()
+ * @see hook_gin_content_form_routes()
+ */
+function hook_gin_content_form_routes_alter(array &$routes) {
+  // Example: disable Gin edit form layout customizations for an entity type.
+  $routes = array_diff($routes, ['entity.my_type.edit_form']);
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */