0aab115 fix(@angular/build): enhance Vitest config merging and validation

Author: Angular Builds

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@angular/build",
-  "version": "21.1.0-next.0+sha-53bdbf1",
+  "version": "21.1.0-next.0+sha-0aab115",
   "description": "Official build system for Angular",
   "keywords": [
     "Angular CLI",
@@ -23,7 +23,7 @@
   "builders": "builders.json",
   "dependencies": {
     "@ampproject/remapping": "2.3.0",
-    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds#53bdbf1",
+    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds#0aab115",
     "@babel/core": "7.28.5",
     "@babel/helper-annotate-as-pure": "7.27.3",
     "@babel/helper-split-export-declaration": "7.24.7",
@@ -61,7 +61,7 @@
     "@angular/platform-browser": "^21.0.0-next.0",
     "@angular/platform-server": "^21.0.0-next.0",
     "@angular/service-worker": "^21.0.0-next.0",
-    "@angular/ssr": "github:angular/angular-ssr-builds#53bdbf1",
+    "@angular/ssr": "github:angular/angular-ssr-builds#0aab115",
     "karma": "^6.4.0",
     "less": "^4.2.0",
     "ng-packagr": "^21.0.0-next.0",

src/builders/unit-test/runners/vitest/plugins.d.ts

@@ -5,7 +5,7 @@
  * 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 type { BrowserConfigOptions, VitestPlugin } from 'vitest/node';
+import type { BrowserConfigOptions, UserWorkspaceConfig, VitestPlugin } from 'vitest/node';
 import type { ResultFile } from '../../../application/results';
 import type { NormalizedUnitTestBuilderOptions } from '../../options';
 type VitestPlugins = Awaited<ReturnType<typeof VitestPlugin>>;
@@ -23,7 +23,7 @@ interface VitestConfigPluginOptions {
     projectSourceRoot: string;
     reporters?: string[] | [string, object][];
     setupFiles: string[];
-    projectPlugins: VitestPlugins;
+    projectPlugins: Exclude<UserWorkspaceConfig['plugins'], undefined>;
     include: string[];
 }
 export declare function createVitestConfigPlugin(options: VitestConfigPluginOptions): VitestPlugins[0];

src/builders/unit-test/runners/vitest/plugins.js

@@ -1 +1 @@
-Sat Nov 08 2025 10:35:42 GMT+0000 (Coordinated Universal Time)
+Sun Nov 09 2025 08:22:15 GMT+0000 (Coordinated Universal Time)