Move chat to a submodule

src/Chat.php → modules/websocket_chat/src/Chat.php

 <?php
 
-namespace Drupal\websocket;
+namespace Drupal\websocket_chat;
 
 use Ratchet\MessageComponentInterface;
 use Ratchet\ConnectionInterface;

src/Form/ChatForm.php → modules/websocket_chat/src/Form/ChatForm.php

 <?php
 
-namespace Drupal\websocket\Form;
+namespace Drupal\websocket_chat\Form;
 
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;

src/Plugin/Block/ChatBlock.php → modules/websocket_chat/src/Plugin/Block/ChatBlock.php

 <?php
 
-namespace Drupal\websocket\Plugin\Block;
+namespace Drupal\websocket_chat\Plugin\Block;
 
 use Drupal\Core\Block\BlockBase;
 
@@ -21,10 +21,10 @@ class ChatBlock extends BlockBase {
     return [
       '#title' => 'Chat block',
       '#theme' => 'chat_block',
-      '#form' => \Drupal::formBuilder()->getForm('\Drupal\websocket\Form\ChatForm'),
+      '#form' => \Drupal::formBuilder()->getForm('\Drupal\websocket_chat\Form\ChatForm'),
       '#attached' => [
         'library' => [
-          'websocket/chat',
+          'websocket_chat/chat',
         ],
       ],
     ];

modules/websocket_chat/websocket_chat.info.yml

+name: Web socket chat
+type: module
+description: Real-time Drupal chat with web socket
+core: 8.x
+package: Web socket
+dependencies:
+  - websocket:websocket

modules/websocket_chat/websocket_chat.libraries.yml

+chat:
+  js:
+    js/chat.js: {}
+  dependencies:
+    - websocket/core

modules/websocket_chat/websocket_chat.module

+<?php
+
+/**
+ * @file
+ * Websocket chat hooks.
+ */
+
+/**
+* Implements hook_theme().
+*/
+function websocket_chat_theme($existing, $type, $theme, $path) {
+  return [
+    'chat_block' => [
+      'variables' => [
+        'form' => '',
+      ],
+      'template' => 'block--chat-block',
+    ],
+  ];
+}

websocket.websocket.yml → modules/websocket_chat/websocket_chat.websocket.yml

 # Websocket service plugin definitions.
 chat:
-  class: Drupal\websocket\Chat
+  class: Drupal\websocket_chat\Chat
   enabled: true
\ No newline at end of file

websocket.libraries.yml

@@ -6,9 +6,3 @@ core:
     - core/drupal
     - core/drupal.ajax
     - core/drupalSettings
-
-chat:
-  js:
-    js/chat.js: {}
-  dependencies:
-    - websocket/core

websocket.module

@@ -4,17 +4,3 @@
  * @file
  * Websocket hooks.
  */
-
-/**
- * Implements hook_theme().
- */
-function websocket_theme($existing, $type, $theme, $path) {
-  return [
-    'chat_block' => [
-      'variables' => [
-        'form' => '',
-      ],
-      'template' => 'block--chat-block',
-    ],
-  ];
-}