Revert "feat(common): add injector input to ngTemplateOutlet (#44761)" (#44807)

This reverts commit ed21f5c.

PR Close #44807

Author: crisbeto

goldens/public-api/common/common.md

@@ -581,9 +581,8 @@ export class NgTemplateOutlet implements OnChanges {
     ngOnChanges(changes: SimpleChanges): void;
     ngTemplateOutlet: TemplateRef<any> | null;
     ngTemplateOutletContext: Object | null;
-    ngTemplateOutletInjector: Injector | null;
     // (undocumented)
-    static ɵdir: i0.ɵɵDirectiveDeclaration<NgTemplateOutlet, "[ngTemplateOutlet]", never, { "ngTemplateOutletContext": "ngTemplateOutletContext"; "ngTemplateOutlet": "ngTemplateOutlet"; "ngTemplateOutletInjector": "ngTemplateOutletInjector"; }, {}, never>;
+    static ɵdir: i0.ɵɵDirectiveDeclaration<NgTemplateOutlet, "[ngTemplateOutlet]", never, { "ngTemplateOutletContext": "ngTemplateOutletContext"; "ngTemplateOutlet": "ngTemplateOutlet"; }, {}, never>;
     // (undocumented)
     static ɵfac: i0.ɵɵFactoryDeclaration<NgTemplateOutlet, never>;
 }

packages/common/src/directives/ng_template_outlet.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {Directive, EmbeddedViewRef, Injector, Input, OnChanges, SimpleChanges, TemplateRef, ViewContainerRef} from '@angular/core';
+import {Directive, EmbeddedViewRef, Input, OnChanges, SimpleChange, SimpleChanges, TemplateRef, ViewContainerRef} from '@angular/core';
 
 /**
  * @ngModule CommonModule
@@ -49,9 +49,6 @@ export class NgTemplateOutlet implements OnChanges {
    */
   @Input() public ngTemplateOutlet: TemplateRef<any>|null = null;
 
-  /** Injector to be used within the embedded view. */
-  @Input() public ngTemplateOutletInjector: Injector|null = null;
-
   constructor(private _viewContainerRef: ViewContainerRef) {}
 
   ngOnChanges(changes: SimpleChanges) {
@@ -62,17 +59,9 @@ export class NgTemplateOutlet implements OnChanges {
         viewContainerRef.remove(viewContainerRef.indexOf(this._viewRef));
       }
 
-      if (this.ngTemplateOutlet) {
-        const {
-          ngTemplateOutlet: template,
-          ngTemplateOutletContext: context,
-          ngTemplateOutletInjector: injector
-        } = this;
-        this._viewRef = viewContainerRef.createEmbeddedView(
-            template, context, injector ? {injector} : undefined);
-      } else {
-        this._viewRef = null;
-      }
+      this._viewRef = this.ngTemplateOutlet ?
+          viewContainerRef.createEmbeddedView(this.ngTemplateOutlet, this.ngTemplateOutletContext) :
+          null;
     } else if (
         this._viewRef && changes['ngTemplateOutletContext'] && this.ngTemplateOutletContext) {
       this._viewRef.context = this.ngTemplateOutletContext;

packages/common/test/directives/ng_template_outlet_spec.ts

@@ -7,7 +7,7 @@
  */
 
 import {CommonModule} from '@angular/common';
-import {Component, ContentChildren, Directive, Inject, Injectable, InjectionToken, Injector, NO_ERRORS_SCHEMA, OnDestroy, QueryList, TemplateRef} from '@angular/core';
+import {Component, ContentChildren, Directive, Injectable, NO_ERRORS_SCHEMA, OnDestroy, QueryList, TemplateRef} from '@angular/core';
 import {ComponentFixture, TestBed, waitForAsync} from '@angular/core/testing';
 import {expect} from '@angular/platform-browser/testing/src/matchers';
 
@@ -29,13 +29,7 @@ describe('NgTemplateOutlet', () => {
 
   beforeEach(() => {
     TestBed.configureTestingModule({
-      declarations: [
-        TestComponent,
-        CaptureTplRefs,
-        DestroyableCmpt,
-        MultiContextComponent,
-        InjectValueComponent,
-      ],
+      declarations: [TestComponent, CaptureTplRefs, DestroyableCmpt, MultiContextComponent],
       imports: [CommonModule],
       providers: [DestroyedSpyService]
     });
@@ -268,19 +262,8 @@ describe('NgTemplateOutlet', () => {
     expect(componentInstance.context1).toEqual({name: 'two'});
     expect(componentInstance.context2).toEqual({name: 'one'});
   });
-
-  it('should be able to specify an injector', waitForAsync(() => {
-       const template = `<ng-template #tpl><inject-value></inject-value></ng-template>` +
-           `<ng-container *ngTemplateOutlet="tpl; injector: injector"></ng-container>`;
-       fixture = createTestComponent(template);
-       fixture.componentInstance.injector =
-           Injector.create({providers: [{provide: templateToken, useValue: 'world'}]});
-       detectChangesAndExpectText('Hello world');
-     }));
 });
 
-const templateToken = new InjectionToken<string>('templateToken');
-
 @Injectable()
 class DestroyedSpyService {
   destroyed = false;
@@ -307,15 +290,6 @@ class TestComponent {
   currentTplRef!: TemplateRef<any>;
   context: any = {foo: 'bar'};
   value = 'bar';
-  injector: Injector|null = null;
-}
-
-@Component({
-  selector: 'inject-value',
-  template: 'Hello {{tokenValue}}',
-})
-class InjectValueComponent {
-  constructor(@Inject(templateToken) public tokenValue: string) {}
 }
 
 @Component({