refactor(devtools): remove unused imports. (angular#58057)

Thanks to the new extended diagnostic.

PR Close angular#58057

Author: JeanMeche

devtools/projects/demo-standalone/src/app/demo-app/todo/about/about.component.ts

@@ -7,12 +7,12 @@
  */
 
 import {Component} from '@angular/core';
-import {RouterLink, RouterOutlet} from '@angular/router';
+import {RouterLink} from '@angular/router';
 
 @Component({
   selector: 'app-about',
   standalone: true,
-  imports: [RouterOutlet, RouterLink],
+  imports: [RouterLink],
   template: `
     About component
     <a [routerLink]="">Home</a>

devtools/projects/ng-devtools/src/lib/devtools-tabs/directive-explorer/property-tab/component-metadata.component.ts

@@ -10,15 +10,13 @@ import {ChangeDetectionStrategy, Component, computed, inject, input} from '@angu
 import {ComponentType} from 'protocol';
 
 import {ElementPropertyResolver} from '../property-resolver/element-property-resolver';
-import {MatButton} from '@angular/material/button';
 
 @Component({
   selector: 'ng-component-metadata',
   templateUrl: './component-metadata.component.html',
   styleUrls: ['./component-metadata.component.scss'],
   changeDetection: ChangeDetectionStrategy.OnPush,
   standalone: true,
-  imports: [MatButton],
 })
 export class ComponentMetadataComponent {
   readonly currentSelectedComponent = input.required<ComponentType>();

devtools/projects/ng-devtools/src/lib/devtools-tabs/injector-tree/injector-tree.component.ts

@@ -15,9 +15,7 @@ import {
   signal,
   viewChild,
 } from '@angular/core';
-import {MatButton} from '@angular/material/button';
 import {MatCheckbox} from '@angular/material/checkbox';
-import {MatExpansionPanel} from '@angular/material/expansion';
 import {MatIcon} from '@angular/material/icon';
 import {MatTooltip} from '@angular/material/tooltip';
 import {
@@ -34,7 +32,6 @@ import {
   InjectorTreeD3Node,
   InjectorTreeVisualizer,
 } from '../dependency-injection/injector-tree-visualizer';
-import {ResolutionPathComponent} from '../dependency-injection/resolution-path.component';
 
 import {InjectorProvidersComponent} from './injector-providers.component';
 import {
@@ -51,11 +48,8 @@ import {
   standalone: true,
   selector: 'ng-injector-tree',
   imports: [
-    MatButton,
     SplitComponent,
     SplitAreaDirective,
-    ResolutionPathComponent,
-    MatExpansionPanel,
     InjectorProvidersComponent,
     MatIcon,
     MatTooltip,

devtools/projects/ng-devtools/src/lib/devtools-tabs/profiler/timeline/frame-selector.component.ts

@@ -27,7 +27,6 @@ import {TabUpdate} from '../../tab-update/index';
 
 import {GraphNode} from './record-formatter/record-formatter';
 import {MatIcon} from '@angular/material/icon';
-import {MatButton} from '@angular/material/button';
 import {MatTooltip} from '@angular/material/tooltip';
 import {MatCard} from '@angular/material/card';
 import {AsyncPipe, NgStyle} from '@angular/common';
@@ -42,7 +41,6 @@ const ITEM_WIDTH = 30;
   imports: [
     MatCard,
     MatTooltip,
-    MatButton,
     MatIcon,
     CdkVirtualScrollViewport,
     CdkFixedSizeVirtualScroll,

devtools/tsconfig.json

@@ -46,6 +46,7 @@
   },
   "angularCompilerOptions": {
     "strictTemplates": true,
-    "strictInjectionParameters": true
+    "strictInjectionParameters": true,
+    "unusedStandaloneImports": "error"
   }
 }