chore(app): add typing for environment variables

.eslintignore

@@ -7,3 +7,4 @@ dist
 .next
 .turbo
 coverage
+env.d.ts

apps/core/env.d.ts

@@ -0,0 +1,12 @@
+export type EnvironmentVariables = {
+  HOST: string;
+  PORT: string;
+};
+
+declare global {
+  namespace NodeJS {
+    interface ProcessEnv extends EnvironmentVariables {}
+  }
+}
+
+export {};

apps/core/src/index.ts

@@ -4,8 +4,8 @@ import { sortNumbers } from '@sharingan/utils';
 
 dotenv.config();
 
-const HOST = process.env.HOST ?? 'https://localhost';
-const PORT = parseInt(process.env.PORT ?? '7501');
+const { HOST, PORT } = process.env;
+const SERVER_PORT = parseInt(PORT ?? '7501');
 
 const app = express();
 
@@ -16,8 +16,8 @@ app.get('/', (_req, res) => {
   return res.json({ message: 'Hello World!' });
 });
 
-app.listen(PORT, () => {
+app.listen(SERVER_PORT, () => {
   console.log(sortNumbers([67, 80, 4, 11, 90, 54, 22]));
 
-  console.log(`Application started on URL ${HOST}:${PORT} 🎉`);
+  console.log(`Application started on URL ${HOST}:${SERVER_PORT} 🎉`);
 });

apps/core/tsconfig.json

@@ -7,6 +7,7 @@
     "composite": true,
     "sourceMap": true
   },
+  "files": ["env.d.ts"],
   "include": [
     "./src/**/*", "./tests/**/*"
   ],

apps/web/.eslintrc.json

@@ -46,5 +46,5 @@
       }
     }
   ],
-  "ignorePatterns": ["jest.config.js", "__mocks__"]
+  "ignorePatterns": ["jest.config.js", "__mocks__", "next.config.js"]
 }

apps/web/env.d.ts

@@ -0,0 +1,11 @@
+export type EnvironmentVariables = {
+  APP_ENV: string;
+};
+
+declare global {
+  namespace NodeJS {
+    type ProcessEnv = EnvironmentVariables;
+  }
+}
+
+export {};