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node_modules/@schematics/angular/ssr/files/application-builder/server.ts.template

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+import {
+  AngularNodeAppEngine,
+  createNodeRequestHandler,
+  isMainModule,
+  writeResponseToNodeResponse,
+} from '@angular/ssr/node';
+import express from 'express';
+import { join } from 'node:path';
+
+const browserDistFolder = join(import.meta.dirname, '../<%= browserDistDirectory %>');
+
+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 /<%= browserDistDirectory %>
+ */
+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, or it is ran via PM2.
+ * The server listens on the port defined by the `PORT` environment variable, or defaults to 4000.
+ */
+if (isMainModule(import.meta.url) || process.env['pm_id']) {
+  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);

node_modules/@schematics/angular/ssr/files/server-builder/server.ts.template

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+import 'zone.js/node';
+
+import { APP_BASE_HREF } from '@angular/common';
+import { CommonEngine } from '@angular/ssr/node';
+import express from 'express';
+import { existsSync } from 'node:fs';
+import { join } from 'node:path';
+import <% if (isStandalone) { %>bootstrap<% } else { %>AppServerModule<% } %> from './main.server';
+
+// The Express app is exported so that it can be used by serverless Functions.
+export function app(): express.Express {
+  const server = express();
+  const distFolder = join(process.cwd(), '<%= browserDistDirectory %>');
+  const indexHtml = existsSync(join(distFolder, 'index.original.html'))
+    ? join(distFolder, 'index.original.html')
+    : join(distFolder, 'index.html');
+
+  const commonEngine = new CommonEngine();
+
+  server.set('view engine', 'html');
+  server.set('views', distFolder);
+
+  // Example Express Rest API endpoints
+  // server.get('/api/{*splat}', (req, res) => { });
+  // Serve static files from /browser
+  server.use(express.static(distFolder, {
+    maxAge: '1y',
+    index: false,
+  }));
+
+  // All regular routes use the Angular engine
+  server.use((req, res, next) => {
+    const { protocol, originalUrl, baseUrl, headers } = req;
+
+    commonEngine
+      .render({
+        <% if (isStandalone) { %>bootstrap<% } else { %>bootstrap: AppServerModule<% } %>,
+        documentFilePath: indexHtml,
+        url: `${protocol}://${headers.host}${originalUrl}`,
+        publicPath: distFolder,
+        providers: [{ provide: APP_BASE_HREF, useValue: baseUrl }],
+      })
+      .then((html) => res.send(html))
+      .catch((err) => next(err));
+  });
+
+  return server;
+}
+
+function run(): void {
+  const port = process.env['PORT'] || 4000;
+
+  // Start up the Node server
+  const server = app();
+  server.listen(port, (error) => {
+    if (error) {
+      throw error;
+    }
+
+    console.log(`Node Express server listening on http://localhost:${port}`);
+  });
+}
+
+// Webpack will replace 'require' with '__webpack_require__'
+// '__non_webpack_require__' is a proxy to Node 'require'
+// The below code is to ensure that the server is run only when not requiring the bundle.
+declare const __non_webpack_require__: NodeRequire;
+const mainModule = __non_webpack_require__.main;
+const moduleFilename = mainModule && mainModule.filename || '';
+if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
+  run();
+}
+
+export default <% if (isStandalone) { %>bootstrap<% } else { %>AppServerModule<% } %>;