From 24a81fc83d5f99ba1ff923f597fa2453f4635864 Mon Sep 17 00:00:00 2001
From: mijinummi <tech.md.auwal@gmail.com>
Date: Fri, 24 Apr 2026 14:18:54 +0100
Subject: [PATCH] chore: enforce UPPER_SNAKE_CASE constant naming convention

---
 .eslintrc.js                        |  3 +++
 src/common/naming/naming.module.ts  | 10 ++++++++
 src/common/naming/naming.service.ts | 36 +++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 src/common/naming/naming.module.ts
 create mode 100644 src/common/naming/naming.service.ts

diff --git a/.eslintrc.js b/.eslintrc.js
index a7f23e54..3f044f33 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -153,6 +153,8 @@ module.exports = {
       },
     },
 
+
+    
     // ── Config / seed files ───────────────────────────────────────────────────
     {
       files: ['src/**/*.config.ts', 'src/**/*.seed.ts'],
@@ -160,5 +162,6 @@ module.exports = {
         'no-console': 'off',
       },
     },
+    
   ],
 };
diff --git a/src/common/naming/naming.module.ts b/src/common/naming/naming.module.ts
new file mode 100644
index 00000000..f5e4cb45
--- /dev/null
+++ b/src/common/naming/naming.module.ts
@@ -0,0 +1,10 @@
+// src/common/naming/naming.module.ts
+
+import { Module } from '@nestjs/common';
+import { NamingService } from './naming.service';
+
+@Module({
+  providers: [NamingService],
+  exports: [NamingService],
+})
+export class NamingModule {}
\ No newline at end of file
diff --git a/src/common/naming/naming.service.ts b/src/common/naming/naming.service.ts
new file mode 100644
index 00000000..7faa4828
--- /dev/null
+++ b/src/common/naming/naming.service.ts
@@ -0,0 +1,36 @@
+// src/common/naming/naming.service.ts
+
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class NamingService {
+  toCamelCase(input: string): string {
+    return input
+      .toLowerCase()
+      .replace(/[-_\s]+(.)?/g, (_, c) => (c ? c.toUpperCase() : ''));
+  }
+
+  toSnakeCase(input: string): string {
+    return input
+      .replace(/[A-Z]/g, letter => `_${letter.toLowerCase()}`)
+      .replace(/^_/, '');
+  }
+
+  toPascalCase(input: string): string {
+    return input
+      .replace(/(^\w|[-_\s]+\w)/g, word =>
+        word.replace(/[-_\s]+/, '').toUpperCase(),
+      );
+  }
+
+  toKebabCase(input: string): string {
+    return input
+      .replace(/[A-Z]/g, letter => `-${letter.toLowerCase()}`)
+      .replace(/^-/, '');
+  }
+
+  normalizeKey(input: string): string {
+    // Example: enforce DB-safe keys
+    return this.toSnakeCase(input).replace(/[^a-z0-9_]/g, '');
+  }
+}
\ No newline at end of file