fix: handle Angular 20+ missing outputPath in deploy action

Angular 20+ omits outputPath from angular.json. When undefined,
use the default path: dist/<project-name>/browser.

Fixes #199

Author: JohannesHoppe

src/deploy/actions.spec.ts

@@ -86,15 +86,24 @@ describe('Deploy Angular apps', () => {
       ).rejects.toThrow('Error while building the app.');
     });
 
-    it('throws if outputPath is missing from build options', async () => {
+    it('uses default path when outputPath is undefined (Angular 20+)', async () => {
+      // Angular 20+ omits outputPath, uses default: dist/<project>/browser
+      let capturedDir: string | null = null;
+
+      const mockEngineWithCapture: EngineHost = {
+        run: (dir: string, _options: Schema, _logger: logging.LoggerApi) => {
+          capturedDir = dir;
+          return Promise.resolve();
+        }
+      };
+
       context.getTargetOptions = (_: Target) =>
         Promise.resolve({} as JsonObject);
 
-      const expectedErrorMessage = `Cannot read the outputPath option of the Angular project '${BUILD_TARGET.name}' in angular.json.`;
+      await deploy(mockEngineWithCapture, context, BUILD_TARGET, { noBuild: false });
 
-      await expect(
-        deploy(mockEngine, context, BUILD_TARGET, { noBuild: false })
-      ).rejects.toThrow(expectedErrorMessage);
+      // Default path is dist/<project-name>/browser
+      expect(capturedDir).toBe(`dist/${PROJECT}/browser`);
     });
 
     it('throws if outputPath has invalid shape (not string or object)', async () => {

src/deploy/actions.ts

@@ -60,21 +60,21 @@ export default async function deploy(
     );
 
     // Output path configuration
-    // The outputPath option can be either
+    // The outputPath option can be either:
+    // - undefined (Angular 20+): uses default dist/<project-name>/browser
     // - a String which will be used as the base value + default value 'browser'
     // - or an Object for more fine-tune configuration.
     // see https://angular.io/guide/workspace-config#output-path-configuration
     // see https://github.com/angular/angular-cli/pull/26675
 
-    if (!buildOptions.outputPath) {
-      throw new Error(
-        `Cannot read the outputPath option of the Angular project '${buildTarget.name}' in angular.json.`
-      );
-    }
-
-    const outputPath = buildOptions.outputPath as AngularOutputPath;
+    const outputPath = buildOptions.outputPath as AngularOutputPath | undefined;
 
-    if (typeof outputPath === 'string') {
+    if (outputPath === undefined) {
+      // Angular 20+ default: dist/<project-name>/browser
+      // Extract project name from buildTarget.name (format: "project:target:configuration")
+      const projectName = buildTarget.name.split(':')[0];
+      dir = path.join('dist', projectName, 'browser');
+    } else if (typeof outputPath === 'string') {
       dir = path.join(outputPath, 'browser');
     } else if (isOutputPathObject(outputPath)) {
       dir = path.join(outputPath.base, outputPath.browser ?? '');