From 18e3a30df8b302f150d0a5aa480343b2815f2171 Mon Sep 17 00:00:00 2001
From: brgndy <brgndy96@gmail.com>
Date: Thu, 3 Oct 2024 14:11:36 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20reverseKeyValue=20=ED=95=A8=EC=88=98=20?=
 =?UTF-8?q?=EC=9E=91=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/common/utils/package.json                |  2 +-
 packages/common/utils/src/index.ts                |  1 +
 packages/common/utils/src/reverseKeyValue.md      | 13 +++++++++++++
 packages/common/utils/src/reverseKeyValue.test.ts | 13 +++++++++++++
 packages/common/utils/src/reverseKeyValue.ts      |  5 +++++
 5 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 packages/common/utils/src/reverseKeyValue.md
 create mode 100644 packages/common/utils/src/reverseKeyValue.test.ts
 create mode 100644 packages/common/utils/src/reverseKeyValue.ts

diff --git a/packages/common/utils/package.json b/packages/common/utils/package.json
index 72bd75d..5c57858 100644
--- a/packages/common/utils/package.json
+++ b/packages/common/utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@brgndy/utils",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "sideEffects": false,
   "type": "module",
   "main": "dist/index.js",
diff --git a/packages/common/utils/src/index.ts b/packages/common/utils/src/index.ts
index 535b611..f2493bf 100644
--- a/packages/common/utils/src/index.ts
+++ b/packages/common/utils/src/index.ts
@@ -1 +1,2 @@
 export * from './batchOfRequestOf';
+export * from './reverseKeyValue';
diff --git a/packages/common/utils/src/reverseKeyValue.md b/packages/common/utils/src/reverseKeyValue.md
new file mode 100644
index 0000000..b5ed788
--- /dev/null
+++ b/packages/common/utils/src/reverseKeyValue.md
@@ -0,0 +1,13 @@
+# reverseKeyValue
+
+객체의 Key, Value 값을 뒤바꿔서 리턴해주는 유틸 함수입니다.
+
+Key와 Value는
+
+## - Example
+
+```ts
+const obj = { a: 1, b: 2 };
+
+const result = reverseKeyValue(obj); // {1 : 'a', 2 : 'b'}
+```
diff --git a/packages/common/utils/src/reverseKeyValue.test.ts b/packages/common/utils/src/reverseKeyValue.test.ts
new file mode 100644
index 0000000..b44e3cb
--- /dev/null
+++ b/packages/common/utils/src/reverseKeyValue.test.ts
@@ -0,0 +1,13 @@
+import { reverseKeyValue } from './reverseKeyValue';
+
+describe('reverseKeyValue 유틸 함수에 대한 테스트 코드 작성', () => {
+  it('객체의 key, value 값을 서로 뒤바꾸어서 반환해야한다.', () => {
+    const obj = { a: 1, b: '2' };
+
+    const expectedObj = { 1: 'a', '2': 'b' };
+
+    const result = reverseKeyValue(obj);
+
+    expect(result).toEqual(expectedObj);
+  });
+});
diff --git a/packages/common/utils/src/reverseKeyValue.ts b/packages/common/utils/src/reverseKeyValue.ts
new file mode 100644
index 0000000..03b38a1
--- /dev/null
+++ b/packages/common/utils/src/reverseKeyValue.ts
@@ -0,0 +1,5 @@
+export const reverseKeyValue = <Key extends string | number, Value extends string | number>(
+  object: Record<Key, Value>,
+): Record<Value, Key> => {
+  return Object.fromEntries(Object.entries(object).map(([key, value]) => [value, key]));
+};