fix: add angular-20 server.ts signature

Author: pieh

src/helpers/knownServerTsSignatures.json

@@ -7,6 +7,7 @@
   "33d360cdf4819d90afeecd49952241191ee490900fa919a46f990186be3e8b5f": "CommonEngine",
   "140c0a0b4a8b648378d53630bee6bef9c3418daf27b372f50c06ab83c9d84a39": "CommonEngine",
   "76419eb94b4b8672ba3bd79d34c5a66c7c30ff173995ecc6e0adc5808b86822d": "AppEngine",
+  "8fc83d8961c0a74b52e2dc90f8f6bc21a6948ca35fda4b83ff063ae441d42c11": "AppEngine",
   "a5aad843a116e34ce61264117cba981cff5eea3e6672815a4db08e7b4e5599d6": "AppEngine",
   "5e0de282eb33582f8ec4c3da2946762d4c95794cb749cfb589407f4d4a0115a7": "AppEngine"
 }

tools/known-server-ts-signatures/AppEngine/20.0.0-rc.2.ts

@@ -0,0 +1,68 @@
+import {
+  AngularNodeAppEngine,
+  createNodeRequestHandler,
+  isMainModule,
+  writeResponseToNodeResponse,
+} from '@angular/ssr/node';
+import express from 'express';
+import { join } from 'node:path';
+
+const browserDistFolder = join(import.meta.dirname, '../browser');
+
+const app = express();
+const angularApp = new AngularNodeAppEngine();
+
+/**
+ * Example Express Rest API endpoints can be defined here.
+ * Uncomment and define endpoints as necessary.
+ *
+ * Example:
+ * ```ts
+ * app.get('/api/{*splat}', (req, res) => {
+ *   // Handle API request
+ * });
+ * ```
+ */
+
+/**
+ * Serve static files from /browser
+ */
+app.use(
+  express.static(browserDistFolder, {
+    maxAge: '1y',
+    index: false,
+    redirect: false,
+  }),
+);
+
+/**
+ * Handle all other requests by rendering the Angular application.
+ */
+app.use((req, res, next) => {
+  angularApp
+    .handle(req)
+    .then((response) =>
+      response ? writeResponseToNodeResponse(response, res) : next(),
+    )
+    .catch(next);
+});
+
+/**
+ * Start the server if this module is the main entry point.
+ * The server listens on the port defined by the `PORT` environment variable, or defaults to 4000.
+ */
+if (isMainModule(import.meta.url)) {
+  const port = process.env['PORT'] || 4000;
+  app.listen(port, (error) => {
+    if (error) {
+      throw error;
+    }
+
+    console.log(`Node Express server listening on http://localhost:${port}`);
+  });
+}
+
+/**
+ * Request handler used by the Angular CLI (for dev-server and during build) or Firebase Cloud Functions.
+ */
+export const reqHandler = createNodeRequestHandler(app);