Pass linter on server build and start

app/package.json

@@ -6,12 +6,12 @@
   "private": true,
   "license": "UNLICENSED",
   "scripts": {
-    "build": "nest build",
+    "build": "npm run lint && nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
-    "start": "nest start --watch",
+    "start": "npm run build && nest start --watch",
     "start:debug": "nest start --debug --watch",
     "start:prod": "node dist/main",
-    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "lint": "eslint \"src/**/*.ts\" --fix",
     "test": "jest",
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",

app/src/app.service.ts

@@ -1,5 +1,9 @@
 import { Injectable, Logger } from '@nestjs/common';
-import { MessageBody, SubscribeMessage, WebSocketGateway } from '@nestjs/websockets';
+import {
+  MessageBody,
+  SubscribeMessage,
+  WebSocketGateway,
+} from '@nestjs/websockets';
 
 @WebSocketGateway({ cors: true })
 @Injectable()
@@ -9,6 +13,9 @@ export class AppService {
   @SubscribeMessage('example-request')
   handleCustomEvent(@MessageBody() data: string): unknown {
     this.logger.debug(`Received request in backend with data: ${data}`);
-    return {event: "example-response", data: `Replying from backend, received data: ${data}`};
+    return {
+      event: 'example-response',
+      data: `Replying from backend, received data: ${data}`,
+    };
   }
 }