From 97236a70058963ed444eb6748af3794d9b6f1b87 Mon Sep 17 00:00:00 2001
From: Denis Kralj <denis@novu.co>
Date: Fri, 3 May 2024 21:07:07 +0200
Subject: [PATCH] refactor: Remove unused feature flag

Add (ugly) solution to verify matching of enum name and value
---
 .../src/types/feature-flags/flags.types.spec.ts    |  4 ++--
 libs/shared/src/types/feature-flags/flags.types.ts | 14 +++++++++++++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/libs/shared/src/types/feature-flags/flags.types.spec.ts b/libs/shared/src/types/feature-flags/flags.types.spec.ts
index 9ecc2f93e032..b87bbb823ed0 100644
--- a/libs/shared/src/types/feature-flags/flags.types.spec.ts
+++ b/libs/shared/src/types/feature-flags/flags.types.spec.ts
@@ -46,13 +46,13 @@ testFlagEnumValidity(ValidFlagsEnum);
 
 enum InvalidKeyFlagsEnum {
   IS_SOMETHING_ENABLED = 'IS_SOMETHING_ENABLED',
-  INVALID_ENABLED = 'IS_INVALID_ENABLED',
+  INVALID_ENABLED = 'INVALID_ENABLED',
 }
 // @ts-expect-error - Invalid key - INVALID_ENABLED
 testFlagEnumValidity(InvalidKeyFlagsEnum);
 enum InvalidValueFlagsEnum {
   IS_SOMETHING_ENABLED = 'IS_SOMETHING_ENABLED',
-  IS_INVALID_ENABLED = 'INVALID_ENABLED',
+  INVALID_ENABLED = 'INVALID_ENABLED',
 }
 // @ts-expect-error - Invalid value on IS_INVALID_ENABLED: 'INVALID_ENABLED'
 testFlagEnumValidity(InvalidValueFlagsEnum);
diff --git a/libs/shared/src/types/feature-flags/flags.types.ts b/libs/shared/src/types/feature-flags/flags.types.ts
index 274e73ae0b05..449431c2f10b 100644
--- a/libs/shared/src/types/feature-flags/flags.types.ts
+++ b/libs/shared/src/types/feature-flags/flags.types.ts
@@ -17,4 +17,16 @@ export type IFlagKey = `IS_${Uppercase<string>}_ENABLED`;
  */
 export function testFlagEnumValidity<TEnum extends IFlags, IFlags = Record<IFlagKey, IFlagKey>>(
   testEnum: TEnum & Record<Exclude<keyof TEnum, keyof IFlags>, ['Key must follow `IFlagKey` format']>
-) {}
+) {
+  for (const key in testEnum) {
+    if (testEnum.hasOwnProperty(key) && isIFlagKey(key) && isIFlagKey(testEnum[key])) {
+      if (key !== testEnum[key]) {
+        throw Error('Enum name must match the value');
+      }
+    }
+  }
+}
+
+function isIFlagKey(value: unknown): value is IFlagKey {
+  return typeof value === 'string';
+}