strict tsc and linting configs

service/.eslintrc.js

@@ -7,7 +7,9 @@ module.exports = {
   },
   plugins: ['@typescript-eslint/eslint-plugin'],
   extends: [
-    'plugin:@typescript-eslint/recommended',
+    'eslint:recommended',
+    'plugin:@typescript-eslint/strict-type-checked',
+    'plugin:@typescript-eslint/stylistic-type-checked',
     'plugin:prettier/recommended',
   ],
   root: true,
@@ -16,10 +18,5 @@ module.exports = {
     jest: true,
   },
   ignorePatterns: ['.eslintrc.js'],
-  rules: {
+  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',
-  },
 };

service/package-lock.json

@@ -19,6 +19,7 @@
         "@nestjs/cli": "^10.0.0",
         "@nestjs/schematics": "^10.0.0",
         "@nestjs/testing": "^10.0.0",
+        "@tsconfig/strictest": "^2.0.5",
         "@types/express": "^5.0.0",
         "@types/jest": "^29.5.2",
         "@types/node": "^20.3.1",
@@ -1896,6 +1897,13 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@tsconfig/strictest": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/@tsconfig/strictest/-/strictest-2.0.5.tgz",
+      "integrity": "sha512-ec4tjL2Rr0pkZ5hww65c+EEPYwxOi4Ryv+0MtjeaSQRJyq322Q27eOQiFbuNgw2hpL4hB1/W/HBGk3VKS43osg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",

service/package.json

@@ -30,6 +30,7 @@
     "@nestjs/cli": "^10.0.0",
     "@nestjs/schematics": "^10.0.0",
     "@nestjs/testing": "^10.0.0",
+    "@tsconfig/strictest": "^2.0.5",
     "@types/express": "^5.0.0",
     "@types/jest": "^29.5.2",
     "@types/node": "^20.3.1",

service/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 {}

service/src/main.ts

@@ -3,6 +3,6 @@ import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
-  await app.listen(process.env.PORT ?? 3000);
+  await app.listen(process.env['PORT'] ?? 3000);
 }
-bootstrap();
+void bootstrap();

service/test/app.e2e-spec.ts

@@ -1,17 +1,18 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { INestApplication } from '@nestjs/common';
-import * as request from 'supertest';
+import request from 'supertest';
+import type { App } from 'supertest/types';
 import { AppModule } from './../src/app.module';
 
 describe('AppController (e2e)', () => {
-  let app: INestApplication;
+  let app: INestApplication<App>;
 
   beforeEach(async () => {
     const moduleFixture: TestingModule = await Test.createTestingModule({
       imports: [AppModule],
     }).compile();
 
-    app = moduleFixture.createNestApplication();
+    app = moduleFixture.createNestApplication<INestApplication<App>>();
     await app.init();
   });
 

service/tsconfig.json

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