Update api for CORS supporting

Author: AndreySkripachev

api/app/config/server.config.ts

@@ -0,0 +1,2 @@
+export const port = 8000;
+export const host = '0.0.0.0';

api/app/index.ts

@@ -0,0 +1,21 @@
+import { createServer, ServerResponse, IncomingMessage } from 'http';
+
+import { host, port } from './config/server.config';
+import { provideHeaders } from './providers/headers.provider'
+
+function listener(
+  req: IncomingMessage,
+  res: ServerResponse<IncomingMessage>
+): void {
+  req.method === 'GET' ?
+    provideHeaders(res)
+      .end(JSON.stringify({ message: 'Hello world!' })) :
+    provideHeaders(res)
+      .end(JSON.stringify({ data: 'Post request' }))
+}
+
+const server = createServer(listener);
+
+server.listen(port, host, () => {
+  console.log(`Server listening on ${host}:${port}`);
+})

api/app/providers/headers.provider.ts

@@ -0,0 +1,11 @@
+import { ServerResponse, IncomingMessage } from 'http';
+
+type Response = ServerResponse<IncomingMessage>;
+
+export function provideHeaders(response: Response): Response {
+  return response
+    .setHeader('Access-Control-Allow-Origin', '*')
+    .setHeader('Date', (new Date(Date.now())).toUTCString())
+    .setHeader('Server', 'CERN/3.0 libwww/2.17')
+    .setHeader('Content-Type', 'application/json');
+}

api/package-lock.json

@@ -10,6 +10,9 @@
   "author": "Andrey Skripachev",
   "license": "ISC",
   "dependencies": {
+    "@types/cors": "^2.8.13",
+    "@types/express": "^4.17.16",
+    "@types/node": "^18.11.18",
     "typescript": "^4.9.4"
   }
 }

api/package.json

@@ -11,6 +11,6 @@
     "forceConsistentCasingInFileNames": true,
     "rootDir": "app"
   },
-  "include": [ "app/*" ],
+  "include": [ "app/*", "app/core/models" ],
   "exclude": [ "node_modules" ]
 }