Update Composer, update everything

vendor/chi-teck/drupal-code-generator/templates/d8/plugin-manager/annotation/model.services.yml.twig

@@ -0,0 +1,4 @@
+services:
+  plugin.manager.{{ plugin_type }}:
+    class: Drupal\{{ machine_name }}\{{ class_prefix }}PluginManager
+    parent: default_plugin_manager

vendor/chi-teck/drupal-code-generator/templates/d8/plugin-manager/annotation/src/Annotation/Example.php.twig

@@ -0,0 +1,39 @@
+<?php
+
+namespace Drupal\{{ machine_name }}\Annotation;
+
+use Drupal\Component\Annotation\Plugin;
+
+/**
+ * Defines {{ plugin_type }} annotation object.
+ *
+ * @Annotation
+ */
+class {{ class_prefix }} extends Plugin {
+
+  /**
+   * The plugin ID.
+   *
+   * @var string
+   */
+  public $id;
+
+  /**
+   * The human-readable name of the plugin.
+   *
+   * @var \Drupal\Core\Annotation\Translation
+   *
+   * @ingroup plugin_translatable
+   */
+  public $title;
+
+  /**
+   * The description of the plugin.
+   *
+   * @var \Drupal\Core\Annotation\Translation
+   *
+   * @ingroup plugin_translatable
+   */
+  public $description;
+
+}

vendor/chi-teck/drupal-code-generator/templates/d8/plugin-manager/annotation/src/ExampleInterface.php.twig

@@ -0,0 +1,18 @@
+<?php
+
+namespace Drupal\{{ machine_name }};
+
+/**
+ * Interface for {{ plugin_type }} plugins.
+ */
+interface {{ class_prefix }}Interface {
+
+  /**
+   * Returns the translated plugin label.
+   *
+   * @return string
+   *   The translated title.
+   */
+  public function label();
+
+}

vendor/chi-teck/drupal-code-generator/templates/d8/plugin-manager/annotation/src/ExamplePluginBase.php.twig

@@ -0,0 +1,20 @@
+<?php
+
+namespace Drupal\{{ machine_name }};
+
+use Drupal\Component\Plugin\PluginBase;
+
+/**
+ * Base class for {{ plugin_type }} plugins.
+ */
+abstract class {{ class_prefix }}PluginBase extends PluginBase implements {{ class_prefix }}Interface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function label() {
+    // Cast the label to a string since it is a TranslatableMarkup object.
+    return (string) $this->pluginDefinition['label'];
+  }
+
+}

vendor/chi-teck/drupal-code-generator/templates/d8/plugin-manager/annotation/src/ExamplePluginManager.php.twig

@@ -0,0 +1,37 @@
+<?php
+
+namespace Drupal\{{ machine_name }};
+
+use Drupal\Core\Cache\CacheBackendInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Plugin\DefaultPluginManager;
+
+/**
+ * {{ class_prefix }} plugin manager.
+ */
+class {{ class_prefix }}PluginManager extends DefaultPluginManager {
+
+  /**
+   * Constructs {{ class_prefix }}PluginManager object.
+   *
+   * @param \Traversable $namespaces
+   *   An object that implements \Traversable which contains the root paths
+   *   keyed by the corresponding namespace to look for plugin implementations.
+   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
+   *   Cache backend instance to use.
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler to invoke the alter hook with.
+   */
+  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
+    parent::__construct(
+      'Plugin/{{ class_prefix }}',
+      $namespaces,
+      $module_handler,
+      'Drupal\{{ machine_name }}\{{ class_prefix }}Interface',
+      'Drupal\{{ machine_name }}\Annotation\{{ class_prefix }}'
+    );
+    $this->alterInfo('{{ plugin_type }}_info');
+    $this->setCacheBackend($cache_backend, '{{ plugin_type }}_plugins');
+  }
+
+}

vendor/chi-teck/drupal-code-generator/templates/d8/plugin-manager/annotation/src/Plugin/Example/Foo.php.twig

@@ -0,0 +1,18 @@
+<?php
+
+namespace Drupal\{{ machine_name }}\Plugin\{{ class_prefix }};
+
+use Drupal\{{ machine_name }}\{{ class_prefix }}PluginBase;
+
+/**
+ * Plugin implementation of the {{ plugin_type }}.
+ *
+ * @{{ class_prefix }}(
+ *   id = "foo",
+ *   label = @Translation("Foo"),
+ *   description = @Translation("Foo description.")
+ * )
+ */
+class Foo extends {{ class_prefix }}PluginBase {
+
+}