docs(docs-infra): remove unused code (#58925)

Removed unused code from docs infra

PR Close #58925

adev/shared-docs/services/index.ts

@@ -10,4 +10,3 @@ export * from './navigation-state.service';
 export {TOC_SKIP_CONTENT_MARKER, TableOfContentsLoader} from './table-of-contents-loader.service';
 export {TableOfContentsScrollSpy} from './table-of-contents-scroll-spy.service';
 export * from './search.service';
-export * from './inject-async.service';

adev/shared-docs/services/inject-async.service.ts

@@ -1,92 +0,0 @@
-/*!
- * @license
- * Copyright Google LLC All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.dev/license
- */
-
-import {
-  DestroyRef,
-  ENVIRONMENT_INITIALIZER,
-  EnvironmentInjector,
-  Injectable,
-  Injector,
-  Provider,
-  ProviderToken,
-  Type,
-  createEnvironmentInjector,
-  inject,
-} from '@angular/core';
-
-/**
- * Convience method for lazy loading an injection token.
- */
-export async function injectAsync<T>(
-  injector: Injector,
-  providerLoader: () => Promise<ProviderToken<T>>,
-): Promise<T> {
-  const injectImpl = injector.get(InjectAsyncImpl);
-  return injectImpl.get(injector, providerLoader);
-}
-
-@Injectable({providedIn: 'root'})
-class InjectAsyncImpl<T> {
-  private overrides = new WeakMap(); // no need to cleanup
-  override<T>(type: Type<T>, mock: Type<unknown>) {
-    this.overrides.set(type, mock);
-  }
-
-  async get(injector: Injector, providerLoader: () => Promise<ProviderToken<T>>): Promise<T> {
-    const type = await providerLoader();
-
-    // Check if we have overrides, O(1), low overhead
-    if (this.overrides.has(type)) {
-      const override = this.overrides.get(type);
-      return new override();
-    }
-
-    if (!(injector instanceof EnvironmentInjector)) {
-      // this is the DestroyRef of the component
-      const destroyRef = injector.get(DestroyRef);
-
-      // This is the parent injector of the injector we're creating
-      const environmentInjector = injector.get(EnvironmentInjector);
-
-      // Creating an environment injector to destroy it afterwards
-      const newInjector = createEnvironmentInjector([type as Provider], environmentInjector);
-
-      // Destroy the injector to trigger DestroyRef.onDestroy on our service
-      destroyRef.onDestroy(() => {
-        newInjector.destroy();
-      });
-
-      // We want to create the new instance of our service with our new injector
-      injector = newInjector;
-    }
-
-    return injector.get(type)!;
-  }
-}
-
-/**
- * Helper function to mock the lazy loaded module in `injectAsync`
- *
- * @usage
- * TestBed.configureTestingModule({
- *     providers: [
- *     mockAsyncProvider(SandboxService, fakeSandboxService)
- *   ]
- * });
- */
-export function mockAsyncProvider<T>(type: Type<T>, mock: Type<unknown>) {
-  return [
-    {
-      provide: ENVIRONMENT_INITIALIZER,
-      multi: true,
-      useValue: () => {
-        inject(InjectAsyncImpl).override(type, mock);
-      },
-    },
-  ];
-}

adev/shared-docs/services/table-of-contents-scroll-spy.service.ts

@@ -19,11 +19,9 @@ import {RESIZE_EVENT_DELAY} from '../constants/index';
 import {takeUntilDestroyed} from '@angular/core/rxjs-interop';
 import {auditTime, debounceTime, fromEvent, startWith} from 'rxjs';
 import {WINDOW} from '../providers/index';
-import {shouldReduceMotion} from '../utils/index';
 import {TableOfContentsLoader} from './table-of-contents-loader.service';
 
 export const SCROLL_EVENT_DELAY = 20;
-export const SCROLL_FINISH_DELAY = SCROLL_EVENT_DELAY * 2;
 
 @Injectable({providedIn: 'root'})
 // The service is responsible for listening for scrolling and resizing,
@@ -35,6 +33,7 @@ export class TableOfContentsScrollSpy {
   private readonly viewportScroller = inject(ViewportScroller);
   private readonly injector = inject(EnvironmentInjector);
   private contentSourceElement: HTMLElement | null = null;
+
   private lastContentWidth = 0;
 
   activeItemId = signal<string | null>(null);
@@ -65,24 +64,6 @@ export class TableOfContentsScrollSpy {
     this.viewportScroller.scrollToPosition([0, 0]);
   }
 
-  scrollToSection(id: string): void {
-    if (shouldReduceMotion()) {
-      this.offsetToSection(id);
-    } else {
-      const section = this.document.getElementById(id);
-      section?.scrollIntoView({behavior: 'smooth', block: 'start'});
-      // We don't want to set the active item here, it would mess up the animation
-      // The scroll event handler will handle it for us
-    }
-  }
-
-  private offsetToSection(id: string): void {
-    const section = this.document.getElementById(id);
-    section?.scrollIntoView({block: 'start'});
-    // Here we need to set the active item manually because scroll events might not be fired
-    this.activeItemId.set(id);
-  }
-
   // After window resize, we should update top value of each table content item
   private setResizeEventHandlers(destroyRef: DestroyRef) {
     fromEvent(this.window, 'resize')

adev/src/app/core/layout/navigation/navigation.component.ts

@@ -20,7 +20,6 @@ import {takeUntilDestroyed, toObservable} from '@angular/core/rxjs-interop';
 import {
   ClickOutside,
   NavigationState,
-  WINDOW,
   IconComponent,
   getBaseUrlAfterRedirects,
   isApple,
@@ -56,7 +55,6 @@ export class Navigation implements OnInit {
   private readonly location = inject(Location);
   private readonly themeManager = inject(ThemeManager);
   private readonly isSearchDialogOpen = inject(IS_SEARCH_DIALOG_OPEN);
-  private readonly window = inject(WINDOW);
   private readonly versionManager = inject(VersionManager);
 
   readonly DOCS_ROUTE = PagePrefix.DOCS;