Fixing SSR

frontend/server.ts

@@ -1,45 +1,82 @@
+import 'zone.js';
+import './src/resources/config.js';
 
-import 'zone.js/node';
-
-import { APP_BASE_HREF } from '@angular/common';
 import { CommonEngine } from '@angular/ssr';
 import * as express from 'express';
-import { existsSync } from 'node:fs';
-import { join } from 'node:path';
-import bootstrap from './src/main.server';
+import * as fs from 'fs';
+import * as path from 'path';
+import * as domino from 'domino';
+
+import { join } from 'path';
+import { AppServerModule } from './src/main.server';
+import { APP_BASE_HREF } from '@angular/common';
+import { existsSync } from 'fs';
+
+import { ResizeObserver } from './shims';
+
+const commonEngine = new CommonEngine();
+
+const template = fs.readFileSync(path.join(process.cwd(), 'dist/mempool/browser/en-US/', 'index.html')).toString();
+const win = domino.createWindow(template);
+
+// @ts-ignore
+win.__env = global.__env;
+
+// @ts-ignore
+win.matchMedia = (media) => {
+  return {
+    media,
+    matches: true,
+  };
+};
+
+// @ts-ignore
+win.setTimeout = (fn) => { fn(); };
+win.document.body.scrollTo = (() => {});
+win['ResizeObserver'] = ResizeObserver;
+// @ts-ignore
+global['window'] = win;
+// @ts-ignore
+global['document'] = win.document;
+// @ts-ignore
+global['history'] = { state: { } };
+// @ts-ignore
+Object.defineProperty(global, 'navigator', {
+  value: win.navigator,
+  writable: true
+});
+
+global['localStorage'] = {
+  getItem: () => '',
+  setItem: () => {},
+  removeItem: () => {},
+  clear: () => {},
+  length: 0,
+  key: () => '',
+};
 
 // The Express app is exported so that it can be used by serverless Functions.
-export function app(): express.Express {
+export function app(locale: string): express.Express {
   const server = express();
-  const distFolder = join(process.cwd(), 'dist/mempool/browser');
-  const indexHtml = existsSync(join(distFolder, 'index.original.html'))
-    ? join(distFolder, 'index.original.html')
-    : join(distFolder, 'index.html');
-
-  const commonEngine = new CommonEngine();
+  const distFolder = join(process.cwd(), `dist/mempool/browser/${locale}`);
+  const indexHtml = join(distFolder, 'index.html');
 
   server.set('view engine', 'html');
   server.set('views', distFolder);
 
-  // Example Express Rest API endpoints
-  // server.get('/api/**', (req, res) => { });
-  // Serve static files from /browser
-  server.get('*.*', express.static(distFolder, {
-    maxAge: '1y'
-  }));
-
-  // All regular routes use the Angular engine
+  // static file handler so we send HTTP 404 to nginx
+  server.get('/**.(css|js|json|ico|webmanifest|png|jpg|jpeg|svg|mp4)*', express.static(distFolder, { maxAge: '1y', fallthrough: false }));
+  // handle page routes
   server.get('*', (req, res, next) => {
     const { protocol, originalUrl, baseUrl, headers } = req;
 
     commonEngine
       .render({
-        bootstrap,
+        bootstrap: AppServerModule,
         documentFilePath: indexHtml,
         url: `${protocol}://${headers.host}${originalUrl}`,
         publicPath: distFolder,
-        providers: [
-          { provide: APP_BASE_HREF, useValue: baseUrl },],
+        providers: [{ provide: APP_BASE_HREF, useValue: baseUrl }],
       })
       .then((html) => res.send(html))
       .catch((err) => next(err));
@@ -48,13 +85,15 @@ export function app(): express.Express {
   return server;
 }
 
+
+// only used for development mode
 function run(): void {
-  const port = process.env['PORT'] || 4000;
+  const port = process.env.PORT || 4000;
 
   // Start up the Node server
-  const server = app();
+  const server = app('en-US');
   server.listen(port, () => {
-    console.log(`Node Express server listening on http://localhost:${port}`);
+    console.log(`Node Express server listening on port ${port}`);
   });
 }
 
@@ -66,6 +105,4 @@ const mainModule = __non_webpack_require__.main;
 const moduleFilename = mainModule && mainModule.filename || '';
 if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
   run();
-}
-
-export default bootstrap;
+}