feat: allow custom injector in dialogs and handle deprecations (#140)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: edusperoni

packages/angular/src/lib/cdk/dialog/dialog-config.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import { ViewContainerRef, ComponentFactoryResolver } from '@angular/core';
+import { ViewContainerRef, ComponentFactoryResolver, Injector } from '@angular/core';
 import { ShowModalOptions, View } from '@nativescript/core';
 
 export type NativeShowModalOptions = Partial<Omit<ShowModalOptions, 'cancelable' | 'closeCallback'>>;
@@ -22,6 +22,12 @@ export class NativeDialogConfig<D = any> {
    */
   viewContainerRef?: ViewContainerRef;
 
+  /**
+   * Injector used for the instantiation of the component to be attached. If provided,
+   * takes precedence over the injector indirectly provided by `ViewContainerRef`.
+   */
+  injector?: Injector;
+
   /** Where to render the actual dialog in. By default it renders using the native view of the ViewContainerRef */
   renderIn?: 'root' | 'viewContainerRef' | View = 'viewContainerRef';
 
@@ -44,7 +50,9 @@ export class NativeDialogConfig<D = any> {
    */
   closeOnNavigation?: boolean = true;
 
-  /** Alternate `ComponentFactoryResolver` to use when resolving the associated component. */
+  /** Alternate `ComponentFactoryResolver` to use when resolving the associated component.
+   * @deprecated
+   */
   componentFactoryResolver?: ComponentFactoryResolver;
 
   nativeOptions?: NativeShowModalOptions = {};

packages/angular/src/lib/cdk/dialog/dialog-services.ts

@@ -193,7 +193,7 @@ export class NativeDialog implements OnDestroy {
    * @returns The custom injector that can be used inside the dialog.
    */
   private _createInjector<T>(config: NativeDialogConfig, dialogRef: NativeDialogRef<T>): Injector {
-    const userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
+    const userInjector = config && (config.injector || (config.viewContainerRef && config.viewContainerRef.injector));
 
     // The dialog container should be provided as the dialog container and the dialog's
     // content are created out of the same `ViewContainerRef` and as such, are siblings

packages/angular/src/lib/cdk/dialog/native-modal-ref.ts

@@ -1,13 +1,4 @@
-import {
-  ApplicationRef,
-  ComponentFactoryResolver,
-  ComponentRef,
-  createComponent,
-  EmbeddedViewRef,
-  Injector,
-  Optional,
-  ViewContainerRef,
-} from '@angular/core';
+import { ApplicationRef, ComponentFactoryResolver, ComponentRef, createComponent, EmbeddedViewRef, Injector, Optional, ViewContainerRef } from '@angular/core';
 import { Application, ContentView, Frame, View } from '@nativescript/core';
 import { fromEvent, Subject } from 'rxjs';
 import { take } from 'rxjs/operators';
@@ -79,11 +70,12 @@ export class NativeModalRef {
     if (vcRef) {
       this.detachedLoaderRef = vcRef.createComponent(DetachedLoader);
     } else {
+      const appRef = this._injector.get(ApplicationRef);
       this.detachedLoaderRef = createComponent(DetachedLoader, {
-        environmentInjector: this._injector.get(ApplicationRef).injector,
-        elementInjector: this._config.viewContainerRef?.injector || this._injector,
+        environmentInjector: appRef.injector,
+        elementInjector: this._config.injector || this._config.viewContainerRef?.injector || this._injector,
       });
-      this._injector.get(ApplicationRef).attachView(this.detachedLoaderRef.hostView);
+      appRef.attachView(this.detachedLoaderRef.hostView);
     }
     this.detachedLoaderRef.changeDetectorRef.detectChanges();
   }

packages/angular/src/lib/cdk/portal/nsdom-portal-outlet.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import { ComponentFactoryResolver, ComponentRef, EmbeddedViewRef, ApplicationRef, Injector, Renderer2, Optional } from '@angular/core';
+import { ComponentFactoryResolver, ComponentRef, EmbeddedViewRef, ApplicationRef, Injector, Renderer2, Optional, createComponent } from '@angular/core';
 import { View } from '@nativescript/core';
 import { CommentNode } from '../../views/invisible-nodes';
 import { ViewUtil } from '../../view-util';
@@ -36,20 +36,24 @@ export class NativeScriptDomPortalOutlet extends BasePortalOutlet {
    * @returns Reference to the created component.
    */
   attachComponentPortal<T>(portal: ComponentPortal<T>): ComponentRef<T> {
-    const resolver = portal.componentFactoryResolver || this._componentFactoryResolver;
-    const componentFactory = resolver.resolveComponentFactory(portal.component);
     let componentRef: ComponentRef<T>;
 
     // If the portal specifies a ViewContainerRef, we will use that as the attachment point
     // for the component (in terms of Angular's component tree, not rendering).
     // When the ViewContainerRef is missing, we use the factory to create the component directly
     // and then manually attach the view to the application.
     if (portal.viewContainerRef) {
-      componentRef = portal.viewContainerRef.createComponent(componentFactory, portal.viewContainerRef.length, portal.injector || portal.viewContainerRef.injector);
+      componentRef = portal.viewContainerRef.createComponent(portal.component, {
+        index: portal.viewContainerRef.length,
+        injector: portal.injector || portal.viewContainerRef.injector,
+      });
 
       this.setDisposeFn(() => componentRef.destroy());
     } else {
-      componentRef = componentFactory.create(portal.injector || this._defaultInjector);
+      componentRef = createComponent(portal.component, {
+        elementInjector: portal.injector || this._defaultInjector || Injector.NULL,
+        environmentInjector: this._appRef.injector,
+      });
       this._appRef.attachView(componentRef.hostView);
       this.setDisposeFn(() => {
         this._appRef.detachView(componentRef.hostView);