Resolve #3306673 "Module configuration"

config/install/layout_builder_ids.settings.yml

+block_id: 1
+section_id: 1

config/schema/layout_builder_ids.schema.yml

+layout_builder_ids.settings:
+  type: config_object
+  label: "Layout Builder IDs settings"
+  mapping:
+    block_id:
+      type: integer
+      label: "Whether to add an ID field to the block configuration form in layout builder"
+    section_id:
+      type: integer
+      label: "Whether to add an ID field to the section configuration form in layout builder"

layout_builder_ids.links.menu.yml

+layout_builder_ids.settings:
+  title: "Layout Builder IDs"
+  description: "Configure the Layout Builder IDs module."
+  route_name: layout_builder_ids.settings
+  parent: system.admin_config_ui

layout_builder_ids.module

@@ -9,9 +9,10 @@
  * Implements template_preprocess_layout.
  */
 function layout_builder_ids_preprocess_layout(&$variables) {
+  $config = \Drupal::config('layout_builder_ids.settings');
 
   // If there is a layout builder id, set it in the attributes.
-  if (isset($variables['content']['#settings']['layout_builder_id']) && $variables['content']['#settings']['layout_builder_id'] !== '') {
+  if ($config->get('section_id') && isset($variables['content']['#settings']['layout_builder_id']) && $variables['content']['#settings']['layout_builder_id'] !== '') {
 
     // Set the id attribute.
     $variables['attributes']['id'] = $variables['content']['#settings']['layout_builder_id'];

layout_builder_ids.routing.yml

+layout_builder_ids.settings:
+  path: "/admin/config/user-interface/layout-builder-ids"
+  defaults:
+    _form: '\Drupal\layout_builder_ids\Form\LayoutBuilderIdsSettingsForm'
+    _title: "Layout Builder IDs settings"
+  requirements:
+    _permission: "administer site configuration"

src/EventSubscriber/LayoutBuilderIdsConfigureBlock.php

@@ -38,6 +38,11 @@ class LayoutBuilderIdsConfigureBlock implements EventSubscriberInterface {
    *   The event.
    */
   public static function alterForm(FormAlterEvent $event): void {
+    // Ignore form alter according to module configuration.
+    $config = \Drupal::config('layout_builder_ids.settings');
+    if (!$config->get('block_id')) {
+      return;
+    }
 
     // Get the form from the event.
     $form = &$event->getForm();

src/EventSubscriber/LayoutBuilderIdsConfigureSection.php

@@ -38,6 +38,11 @@ class LayoutBuilderIdsConfigureSection implements EventSubscriberInterface {
    *   The event.
    */
   public static function alterForm(FormAlterEvent $event): void {
+    // Ignore form alter according to module configuration.
+    $config = \Drupal::config('layout_builder_ids.settings');
+    if (!$config->get('section_id')) {
+      return;
+    }
 
     // Get the form from the event.
     $form = &$event->getForm();

src/EventSubscriber/LayoutBuilderIdsRenderSubscriber.php

@@ -33,6 +33,11 @@ class LayoutBuilderIdsRenderSubscriber implements EventSubscriberInterface {
    *   The section component render event.
    */
   public static function onBuildRender(SectionComponentBuildRenderArrayEvent $event) {
+    // Ignore block alter according to module configuration.
+    $config = \Drupal::config('layout_builder_ids.settings');
+    if (!$config->get('block_id')) {
+      return;
+    }
 
     // The render array.
     $build = $event->getBuild();

src/Form/LayoutBuilderIdsSettingsForm.php

+<?php
+
+namespace Drupal\layout_builder_ids\Form;
+
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Configure Layout Builder IDs settings for this site.
+ */
+class LayoutBuilderIdsSettingsForm extends ConfigFormBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'layout_builder_ids_settings';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEditableConfigNames() {
+    return ['layout_builder_ids.settings'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $config = $this->config('layout_builder_ids.settings');
+
+    $form['block_id'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Block ID field.'),
+      '#description' => $this->t('Add an ID field to <em>block</em> configuration form in Layout Builder.'),
+      '#default_value' => $config->get('block_id'),
+    ];
+
+    $form['section_id'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Section ID field.'),
+      '#description' => $this->t('Add an ID field to <em>section</em> configuration form in Layout Builder.'),
+      '#default_value' => $config->get('section_id'),
+    ];
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $this->config('layout_builder_ids.settings')
+      ->set('block_id', $form_state->getValue('block_id'))
+      ->set('section_id', $form_state->getValue('section_id'))
+      ->save();
+    parent::submitForm($form, $form_state);
+  }
+
+}