use stricter tsconfig and eslint config

.eslintrc.js

@@ -7,7 +7,8 @@ module.exports = {
   },
   plugins: ['@typescript-eslint/eslint-plugin'],
   extends: [
-    'plugin:@typescript-eslint/recommended',
+    'eslint:recommended',
+    'plugin:@typescript-eslint/strict-type-checked',
     'plugin:prettier/recommended',
   ],
   root: true,
@@ -19,7 +20,6 @@ module.exports = {
   rules: {
     '@typescript-eslint/interface-name-prefix': 'off',
     '@typescript-eslint/explicit-function-return-type': 'off',
-    '@typescript-eslint/explicit-module-boundary-types': 'off',
-    '@typescript-eslint/no-explicit-any': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off'
   },
 };

package-lock.json

@@ -19,6 +19,7 @@
         "@nestjs/cli": "^10.0.0",
         "@nestjs/schematics": "^10.0.0",
         "@nestjs/testing": "^10.0.0",
+        "@tsconfig/strictest": "^2.0.2",
         "@types/express": "^4.17.17",
         "@types/jest": "^29.5.2",
         "@types/node": "^20.3.1",
@@ -1851,6 +1852,12 @@
       "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==",
       "dev": true
     },
+    "node_modules/@tsconfig/strictest": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@tsconfig/strictest/-/strictest-2.0.2.tgz",
+      "integrity": "sha512-jt4jIsWKvUvuY6adJnQJlb/UR7DdjC8CjHI/OaSQruj2yX9/K6+KOvDt/vD6udqos/FUk5Op66CvYT7TBLYO5Q==",
+      "dev": true
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",

package.json

@@ -12,7 +12,7 @@
     "start:dev": "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,apps,libs,test}/**/*.ts\"",
     "test": "jest",
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
@@ -30,6 +30,7 @@
     "@nestjs/cli": "^10.0.0",
     "@nestjs/schematics": "^10.0.0",
     "@nestjs/testing": "^10.0.0",
+    "@tsconfig/strictest": "^2.0.2",
     "@types/express": "^4.17.17",
     "@types/jest": "^29.5.2",
     "@types/node": "^20.3.1",

src/app.module.ts

@@ -7,4 +7,5 @@ import { AppService } from './app.service';
   controllers: [AppController],
   providers: [AppService],
 })
+// eslint-disable-next-line @typescript-eslint/no-extraneous-class
 export class AppModule {}

src/main.ts

@@ -5,4 +5,4 @@ async function bootstrap() {
   const app = await NestFactory.create(AppModule);
   await app.listen(3000);
 }
-bootstrap();
+void bootstrap();

test/app.e2e-spec.ts

@@ -1,6 +1,6 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { INestApplication } from '@nestjs/common';
-import * as request from 'supertest';
+import request from 'supertest';
 import { AppModule } from './../src/app.module';
 
 describe('AppController (e2e)', () => {

tsconfig.json

@@ -1,4 +1,5 @@
 {
+  "extends": "@tsconfig/strictest/tsconfig.json",
   "compilerOptions": {
     "module": "commonjs",
     "declaration": true,
@@ -11,11 +12,6 @@
     "outDir": "./dist",
     "baseUrl": "./",
     "incremental": true,
-    "skipLibCheck": true,
-    "strictNullChecks": true,
-    "noImplicitAny": true,
-    "strictBindCallApply": true,
-    "forceConsistentCasingInFileNames": true,
-    "noFallthroughCasesInSwitch": true
+    "skipLibCheck": true
   }
 }