Privateize the service

addon/rollup.config.mjs

@@ -18,15 +18,14 @@ export default {
     // addon. Anything not listed here may get optimized away.
     addon.publicEntrypoints([
       'index.js',
-      'helpers/**/*.js',
-      'services/**/*.js',
+      'helpers/page-title.js',
       'test-support/index.js',
     ]),
 
     // These are the modules that should get reexported into the traditional
     // "app" tree. Things in here should also be in publicEntrypoints above, but
     // not everything in publicEntrypoints necessarily needs to go here.
-    addon.appReexports(['helpers/**/*.js', 'services/**/*.js']),
+    addon.appReexports(['helpers/**/*.js']),
 
     // This babel config should *not* apply presets or compile away ES modules.
     // It exists only to provide development niceties for you, like automatic

addon/src/services/page-title.ts → addon/src/helpers/manager.ts

@@ -1,10 +1,12 @@
 import { scheduleOnce } from '@ember/runloop';
-import Service, { service } from '@ember/service';
+import { service } from '@ember/service';
 import { isEmpty } from '@ember/utils';
 import { assert } from '@ember/debug';
 import type ApplicationInstance from '@ember/application/instance';
 import type RouterService from '@ember/routing/router-service';
 import type Owner from '@ember/owner';
+import { setOwner } from '@ember/owner';
+import { associateDestroyableChild } from '@ember/destroyable';
 
 import type {
   FastBootDocument,
@@ -36,10 +38,9 @@ function hasPageTitleConfig(
 const configKeys = ['separator', 'prepend', 'replace'] as const;
 
 /**
-  @class page-title
-  @extends Ember.Service
+  @internal
  */
-export default class PageTitleService extends Service {
+export class PageTitleManager {
   @service('router') declare router: RouterService;
 
   // in fastboot context "document" is instance of
@@ -60,7 +61,9 @@ export default class PageTitleService extends Service {
   };
 
   constructor(owner: Owner) {
-    super(owner);
+    setOwner(this, owner);
+    associateDestroyableChild(this, owner);
+
     this._validateExistingTitleElement();
 
     if (hasResolveRegistration(owner)) {

addon/src/helpers/page-title.ts

@@ -1,9 +1,8 @@
-import { service } from '@ember/service';
 import Helper from '@ember/component/helper';
 import { guidFor } from '@ember/object/internals';
 
 import type Owner from '@ember/owner';
-import type PageTitleService from '../services/page-title.ts';
+import type PageTitleManager from './manager.ts';
 import type { PageTitleToken } from '../private-types.ts';
 
 export type PageTitleHelperOptions = Pick<
@@ -32,12 +31,14 @@ interface Signature {
  * ```
  */
 export default class PageTitle extends Helper<Signature> {
-  @service('page-title') declare tokens: PageTitleService;
+  declare tokens: PageTitleManager;
 
   tokenId = guidFor(this);
 
   constructor(owner: Owner) {
     super(owner);
+
+    this.tokens = new PageTitleManager(owner);
     this.tokens.push({ id: this.tokenId });
   }
 

addon/src/service-registry.ts

@@ -1,11 +1,6 @@
-import type PageTitleService from './services/page-title.ts';
 import type { FastBootDocument } from './private-types.ts';
 
 export default interface ServiceRegistry {
-  /**
-   * The service for managing the title of the page.
-   */
-  'page-title': PageTitleService;
   /**
    * ⚠️ This service is not provided by ember-page-title,
    *   but is needed by ember-page-title