fix(@angular-devkit/build-angular): pass listening port in result for…

… esbuild dev server

The deprecated protractor builder requires that the result object from a development server
provide the port used to access the application if the port is not the default (4200). The
newly introduced esbuild development server will now provide the port when available.

packages/angular_devkit/build_angular/src/builders/dev-server/vite-server.ts

@@ -10,6 +10,7 @@ import type { BuilderContext } from '@angular-devkit/architect';
 import type { json } from '@angular-devkit/core';
 import assert from 'node:assert';
 import { BinaryLike, createHash } from 'node:crypto';
+import type { AddressInfo } from 'node:net';
 import path from 'node:path';
 import { InlineConfig, ViteDevServer, createServer, normalizePath } from 'vite';
 import { buildEsbuildBrowser } from '../browser-esbuild';
@@ -51,6 +52,7 @@ export async function* serveWithVite(
   )) as json.JsonObject & BrowserBuilderOptions;
 
   let server: ViteDevServer | undefined;
+  let listeningAddress: AddressInfo | undefined;
   const outputFiles = new Map<string, OutputFileRecord>();
   const assets = new Map<string, string>();
   // TODO: Switch this to an architect schedule call when infrastructure settings are supported
@@ -136,13 +138,14 @@ export async function* serveWithVite(
       server = await setupServer(serverOptions, outputFiles, assets);
 
       await server.listen();
+      listeningAddress = server.httpServer?.address() as AddressInfo;
 
       // log connection information
       server.printUrls();
     }
 
     // TODO: adjust output typings to reflect both development servers
-    yield { success: true } as unknown as DevServerBuilderOutput;
+    yield { success: true, port: listeningAddress?.port } as unknown as DevServerBuilderOutput;
   }
 
   await server?.close();