angular · clydin · Mar 4, 2026 · Mar 4, 2026
diff --git a/MODULE.bazel b/MODULE.bazel
@@ -165,9 +165,9 @@ use_repo(npm, "npm")
 rules_ts_ext = use_extension("@aspect_rules_ts//ts:extensions.bzl", "ext")
 rules_ts_ext.deps(
     name = "angular_cli_npm_typescript",
-    # Obtained by: npm info typescript@5.9.3 dist.integrity
-    ts_integrity = "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
-    ts_version = "5.9.3",
+    # Obtained by: npm info typescript@6.0.0-beta dist.integrity
+    ts_integrity = "sha512-CldZdztDpQRLM1HC6WDQjQkQN5Ub5zRau737a1diGh3lPmb9oRsaWHk1y5iqK0o7+1bNJ0oXfEGRkAogFZBL+Q==",
+    ts_version = "6.0.0-beta",
 )
 use_repo(rules_ts_ext, **{"npm_typescript": "angular_cli_npm_typescript"})
 

diff --git a/MODULE.bazel.lock b/MODULE.bazel.lock
diff --git a/modules/testing/builder/projects/hello-world-app/src/tsconfig.server.json b/modules/testing/builder/projects/hello-world-app/src/tsconfig.server.json
@@ -2,8 +2,7 @@
   "extends": "./tsconfig.app.json",
   "compilerOptions": {
     "outDir": "../dist-server",
-    "baseUrl": "./",
-    "types": ["@angular/localize", "node"]
+    "types": ["@angular/localize", "node", "@types/express"]
   },
   "files": [
     "main.server.ts"

diff --git a/modules/testing/builder/src/test-utils.ts b/modules/testing/builder/src/test-utils.ts
@@ -80,7 +80,7 @@ export async function browserBuild(
   scheduleOptions?: ScheduleOptions,
 ): Promise<BrowserBuildOutput> {
   const run = await architect.scheduleTarget(target, overrides, scheduleOptions);
-  const output = (await run.result) as BuilderOutput & { outputs: { path: string }[] };
+  const output = await run.result;
   expect(output.success).toBe(true);
 
   if (!output.success) {

diff --git a/package.json b/package.json
@@ -127,7 +127,7 @@
     "semver": "7.7.4",
     "source-map-support": "0.5.21",
     "tslib": "2.8.1",
-    "typescript": "5.9.3",
+    "typescript": "6.0.0-beta",
     "undici": "7.22.0",
     "unenv": "^1.10.0",
     "verdaccio": "6.2.9",

diff --git a/packages/angular/build/package.json b/packages/angular/build/package.json
@@ -73,7 +73,7 @@
     "postcss": "^8.4.0",
     "tailwindcss": "^2.0.0 || ^3.0.0 || ^4.0.0",
     "tslib": "^2.3.0",
-    "typescript": ">=5.9 <6.0",
+    "typescript": ">=5.9 <6.1",
     "vitest": "^4.0.8"
   },
   "peerDependenciesMeta": {

diff --git a/packages/angular/build/src/builders/application/tests/behavior/rebuild-errors_spec.ts b/packages/angular/build/src/builders/application/tests/behavior/rebuild-errors_spec.ts
@@ -33,7 +33,7 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
         import { Directive, Input } from '@angular/core';
         @Directive({ selector: 'dir', standalone: false })
         export class Dir {
-          @Input() foo: number;
+          @Input() foo!: number;
         }
       `;
 

diff --git a/...angular/build/src/builders/application/tests/behavior/typescript-isolated-modules_spec.ts b/...angular/build/src/builders/application/tests/behavior/typescript-isolated-modules_spec.ts
@@ -55,6 +55,9 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
         tsconfig.compilerOptions.isolatedModules = true;
         tsconfig.compilerOptions.jsx = 'react-jsx';
 
+        // There's an implicit `any`, because we don't include the React typings.
+        tsconfig.compilerOptions.noImplicitAny = false;
+
         return JSON.stringify(tsconfig);
       });
 

diff --git a/...ges/angular/build/src/builders/application/tests/behavior/typescript-path-mapping_spec.ts b/...ges/angular/build/src/builders/application/tests/behavior/typescript-path-mapping_spec.ts
@@ -83,6 +83,7 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
         tsconfig.compilerOptions.paths = {
           'app-module': ['./a.js'],
         };
+        tsconfig.compilerOptions.allowJs = true;
 
         return JSON.stringify(tsconfig);
       });

diff --git a/...ges/angular/build/src/builders/application/tests/behavior/typescript-resolve-json_spec.ts b/...ges/angular/build/src/builders/application/tests/behavior/typescript-resolve-json_spec.ts
@@ -20,7 +20,8 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
       // Enable tsconfig resolveJsonModule option in tsconfig
       await harness.modifyFile('tsconfig.json', (content) => {
         const tsconfig = JSON.parse(content);
-        tsconfig.compilerOptions.moduleResolution = 'node';
+        tsconfig.compilerOptions.moduleResolution = 'node16';
+        tsconfig.compilerOptions.module = 'node16';
         tsconfig.compilerOptions.resolveJsonModule = true;
 
         return JSON.stringify(tsconfig);
@@ -44,7 +45,8 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
       // Enable tsconfig resolveJsonModule option in tsconfig
       await harness.modifyFile('tsconfig.json', (content) => {
         const tsconfig = JSON.parse(content);
-        tsconfig.compilerOptions.moduleResolution = 'node';
+        tsconfig.compilerOptions.moduleResolution = 'node16';
+        tsconfig.compilerOptions.module = 'node16';
         tsconfig.compilerOptions.resolveJsonModule = undefined;
 
         return JSON.stringify(tsconfig);
@@ -73,7 +75,8 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
       // Enable tsconfig resolveJsonModule option in tsconfig
       await harness.modifyFile('tsconfig.json', (content) => {
         const tsconfig = JSON.parse(content);
-        tsconfig.compilerOptions.moduleResolution = 'node';
+        tsconfig.compilerOptions.moduleResolution = 'node16';
+        tsconfig.compilerOptions.module = 'node16';
         tsconfig.compilerOptions.resolveJsonModule = false;
 
         return JSON.stringify(tsconfig);

diff --git a/packages/angular/build/src/builders/application/tests/options/polyfills_spec.ts b/packages/angular/build/src/builders/application/tests/options/polyfills_spec.ts
@@ -26,6 +26,9 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
             const tsconfig = JSON.parse(content);
             tsconfig.compilerOptions.baseUrl = baseUrl;
 
+            // The test is specifically testing `baseUrl` which is deprecated in TS6.
+            tsconfig.compilerOptions.ignoreDeprecations = '6.0';
+
             return JSON.stringify(tsconfig);
           });
         });

diff --git a/packages/angular/build/src/builders/unit-test/tests/options/setup-files_spec.ts b/packages/angular/build/src/builders/unit-test/tests/options/setup-files_spec.ts
@@ -36,12 +36,12 @@ describeBuilder(execute, UNIT_TEST_BUILDER_INFO, (harness) => {
 
     it('should include the setup files', async () => {
       await harness.writeFiles({
-        'src/setup.ts': `globalThis['TEST_SETUP_RAN'] = true;`,
+        'src/setup.ts': `(globalThis as any)['TEST_SETUP_RAN'] = true;`,
         'src/app/app.component.spec.ts': `
         import { describe, expect, test } from 'vitest'
         describe('AppComponent', () => {
           test('should have run setup file', () => {
-            expect(globalThis['TEST_SETUP_RAN']).toBe(true);
+            expect((globalThis as any)['TEST_SETUP_RAN']).toBe(true);
           });
         });`,
       });

diff --git a/packages/angular_devkit/architect/src/create-builder.ts b/packages/angular_devkit/architect/src/create-builder.ts
@@ -92,9 +92,7 @@ export function createBuilder<OptT = json.JsonObject, OutT extends BuilderOutput
 
       function onInput(i: BuilderInput) {
         const builder = i.info as BuilderInfo;
-        const loggerName = i.target
-          ? targetStringFromTarget(i.target as Target)
-          : builder.builderName;
+        const loggerName = i.target ? targetStringFromTarget(i.target) : builder.builderName;
         const logger = new logging.Logger(loggerName);
 
         subscriptions.push(logger.subscribe((entry) => log(entry)));
@@ -103,7 +101,7 @@ export function createBuilder<OptT = json.JsonObject, OutT extends BuilderOutput
           builder,
           workspaceRoot: i.workspaceRoot,
           currentDirectory: i.currentDirectory,
-          target: i.target as Target,
+          target: i.target,
           logger: logger,
           id: i.id,
           async scheduleTarget(

diff --git a/packages/angular_devkit/build_angular/BUILD.bazel b/packages/angular_devkit/build_angular/BUILD.bazel
@@ -366,6 +366,7 @@ LARGE_SPECS = {
             "//:node_modules/@angular/core",
             "//:node_modules/@angular/platform-browser",
             "//:node_modules/@angular/router",
+            "//:node_modules/@types/express",
             ":node_modules/rxjs",
             "//:node_modules/tslib",
             "//:node_modules/typescript",

diff --git a/packages/angular_devkit/build_angular/package.json b/packages/angular_devkit/build_angular/package.json
@@ -81,7 +81,7 @@
     "karma": "^6.3.0",
     "ng-packagr": "0.0.0-NG-PACKAGR-PEER-DEP",
     "tailwindcss": "^2.0.0 || ^3.0.0 || ^4.0.0",
-    "typescript": ">=5.9 <6.0"
+    "typescript": ">=5.9 <6.1"
   },
   "peerDependenciesMeta": {
     "@angular/core": {

diff --git a/packages/angular_devkit/build_angular/src/builders/app-shell/index.ts b/packages/angular_devkit/build_angular/src/builders/app-shell/index.ts
@@ -194,10 +194,10 @@ async function _appShellBuilder(
   let spinner: Spinner | undefined;
 
   try {
-    const [browserResult, serverResult] = await Promise.all([
-      browserTargetRun.result as Promise<BrowserBuilderOutput>,
-      serverTargetRun.result as Promise<ServerBuilderOutput>,
-    ]);
+    const [browserResult, serverResult] = (await Promise.all([
+      browserTargetRun.result,
+      serverTargetRun.result,
+    ])) as [BrowserBuilderOutput, ServerBuilderOutput];
 
     if (browserResult.success === false || browserResult.baseOutputPath === undefined) {
       return browserResult;

diff --git a/packages/angular_devkit/build_angular/src/builders/browser/specs/allow-js_spec.ts b/packages/angular_devkit/build_angular/src/builders/browser/specs/allow-js_spec.ts
@@ -36,7 +36,7 @@ describe('Browser Builder allow js', () => {
     );
 
     const run = await architect.scheduleTarget(targetSpec);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
 
     const content = virtualFs.fileBufferToString(
@@ -63,7 +63,7 @@ describe('Browser Builder allow js', () => {
     const overrides = { aot: true };
 
     const run = await architect.scheduleTarget(targetSpec, overrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
 
     const content = virtualFs.fileBufferToString(
@@ -93,7 +93,7 @@ describe('Browser Builder allow js', () => {
     const run = await architect.scheduleTarget(targetSpec, overrides);
 
     await lastValueFrom(
-      (run.output as Observable<BrowserBuilderOutput>).pipe(
+      run.output.pipe(
         tap((output) => {
           const path = relative(host.root(), join(normalize(output.outputs[0].path), 'main.js'));
           const content = virtualFs.fileBufferToString(host.scopedSync().read(path));

diff --git a/packages/angular_devkit/build_angular/src/builders/browser/specs/base-href_spec.ts b/packages/angular_devkit/build_angular/src/builders/browser/specs/base-href_spec.ts
@@ -10,7 +10,6 @@ import { Architect } from '@angular-devkit/architect';
 import { join, normalize, tags, virtualFs } from '@angular-devkit/core';
 import { lastValueFrom } from 'rxjs';
 import { createArchitect, host } from '../../../testing/test-utils';
-import { BrowserBuilderOutput } from '../index';
 
 describe('Browser Builder base href', () => {
   const targetSpec = { project: 'app', target: 'build' };
@@ -23,14 +22,20 @@ describe('Browser Builder base href', () => {
   afterEach(async () => host.restore().toPromise());
 
   it('works', async () => {
+    host.replaceInFile(
+      'tsconfig.json',
+      '"target": "es2022"',
+      '"target": "es2022", "allowJs": true',
+    );
+
     host.writeMultipleFiles({
       'src/my-js-file.js': `console.log(1); export const a = 2;`,
       'src/main.ts': `import { a } from './my-js-file'; console.log(a);`,
     });
 
     const overrides = { baseHref: '/myUrl' };
     const run = await architect.scheduleTarget(targetSpec, overrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
 
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
@@ -51,7 +56,7 @@ describe('Browser Builder base href', () => {
     });
 
     const run = await architect.scheduleTarget(targetSpec);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
 
     expect(output.success).toBeTrue();
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
@@ -71,7 +76,7 @@ describe('Browser Builder base href', () => {
 
     const overrides = { baseHref: '/myUrl' };
     const run = await architect.scheduleTarget(targetSpec, overrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
     const content = virtualFs.fileBufferToString(

diff --git a/packages/angular_devkit/build_angular/src/builders/browser/specs/build-optimizer_spec.ts b/packages/angular_devkit/build_angular/src/builders/browser/specs/build-optimizer_spec.ts
@@ -40,7 +40,7 @@ describe('Browser Builder build optimizer', () => {
     const boOverrides = { ...noBoOverrides, buildOptimizer: true };
 
     const run = await architect.scheduleTarget(targetSpec, noBoOverrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
 
     expect(output.success).toBe(true);
 
@@ -54,7 +54,7 @@ describe('Browser Builder build optimizer', () => {
     await run.stop();
 
     const boRun = await architect.scheduleTarget(targetSpec, boOverrides);
-    const boOutput = (await run.result) as BrowserBuilderOutput;
+    const boOutput = await run.result;
     expect(boOutput.success).toBe(true);
 
     const boStats = await lastValueFrom(

diff --git a/packages/angular_devkit/build_angular/src/builders/browser/specs/cross-origin_spec.ts b/packages/angular_devkit/build_angular/src/builders/browser/specs/cross-origin_spec.ts
@@ -34,7 +34,7 @@ describe('Browser Builder crossOrigin', () => {
   it('works with use-credentials', async () => {
     const overrides = { crossOrigin: CrossOrigin.UseCredentials };
     const run = await architect.scheduleTarget(targetSpec, overrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
     const content = virtualFs.fileBufferToString(
@@ -54,7 +54,7 @@ describe('Browser Builder crossOrigin', () => {
   it('works with anonymous', async () => {
     const overrides = { crossOrigin: CrossOrigin.Anonymous };
     const run = await architect.scheduleTarget(targetSpec, overrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
     const content = virtualFs.fileBufferToString(
@@ -75,7 +75,7 @@ describe('Browser Builder crossOrigin', () => {
   it('works with none', async () => {
     const overrides = { crossOrigin: CrossOrigin.None };
     const run = await architect.scheduleTarget(targetSpec, overrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
     const content = virtualFs.fileBufferToString(
@@ -101,7 +101,7 @@ describe('Browser Builder crossOrigin', () => {
 
     const overrides = { crossOrigin: CrossOrigin.UseCredentials };
     const run = await architect.scheduleTarget(targetSpec, overrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
 
     const fileName = join(normalize(output.outputs[0].path), 'runtime.js');

diff --git a/packages/angular_devkit/build_angular/src/builders/browser/specs/deploy-url_spec.ts b/packages/angular_devkit/build_angular/src/builders/browser/specs/deploy-url_spec.ts
@@ -34,7 +34,7 @@ describe('Browser Builder deploy url', () => {
     });
 
     const run = await architect.scheduleTarget(targetSpec, overrides);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     expect(output.outputs[0].path).not.toBeUndefined();
     const outputPath = normalize(output.outputs[0].path);
@@ -51,7 +51,7 @@ describe('Browser Builder deploy url', () => {
     expect(runtimeContent).toContain('deployUrl/');
 
     const run2 = await architect.scheduleTarget(targetSpec, overrides2);
-    const output2 = (await run2.result) as BrowserBuilderOutput;
+    const output2 = await run2.result;
     expect(output2.outputs[0].path).toEqual(outputPath); // These should be the same.
 
     const content2 = virtualFs.fileBufferToString(

diff --git a/packages/angular_devkit/build_angular/src/builders/browser/specs/index_spec.ts b/packages/angular_devkit/build_angular/src/builders/browser/specs/index_spec.ts
@@ -31,7 +31,7 @@ describe('Browser Builder index HTML processing', () => {
     });
 
     const run = await architect.scheduleTarget(targetSpec);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
     const content = virtualFs.fileBufferToString(
@@ -56,7 +56,7 @@ describe('Browser Builder index HTML processing', () => {
     });
 
     const run = await architect.scheduleTarget(targetSpec);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
     const content = virtualFs.fileBufferToString(
@@ -81,7 +81,7 @@ describe('Browser Builder index HTML processing', () => {
     });
 
     const run = await architect.scheduleTarget(targetSpec);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
     const content = virtualFs.fileBufferToString(
@@ -105,7 +105,7 @@ describe('Browser Builder index HTML processing', () => {
     });
 
     const run = await architect.scheduleTarget(targetSpec);
-    const output = (await run.result) as BrowserBuilderOutput;
+    const output = await run.result;
     expect(output.success).toBe(true);
     const fileName = join(normalize(output.outputs[0].path), 'index.html');
     const content = virtualFs.fileBufferToString(