From 0edaa9c9f419f1703df0e53ed0101e334ba7f056 Mon Sep 17 00:00:00 2001
From: hyesung99 <4538asd@gmail.com>
Date: Wed, 25 Oct 2023 17:13:26 +0900
Subject: [PATCH] =?UTF-8?q?SKRF-146=20local=20storage=20=EA=B8=B0=EB=8A=A5?=
 =?UTF-8?q?=20=EC=B6=94=EA=B0=80=20(#21)?=
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* feat : 스토리지 키 상수 저장

* feat : 로컬스토리지 관련 함수 추가

* fix : localStorage 에러 상황 변경
---
 src/constants/storageKeys.ts |  5 +++++
 src/utils/localStorage.ts    | 26 ++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 src/constants/storageKeys.ts
 create mode 100644 src/utils/localStorage.ts

diff --git a/src/constants/storageKeys.ts b/src/constants/storageKeys.ts
new file mode 100644
index 00000000..abb7dd85
--- /dev/null
+++ b/src/constants/storageKeys.ts
@@ -0,0 +1,5 @@
+const STORAGE_KEYS = {
+  token: 'token',
+} as const;
+
+export { STORAGE_KEYS };
diff --git a/src/utils/localStorage.ts b/src/utils/localStorage.ts
new file mode 100644
index 00000000..53fc9e3d
--- /dev/null
+++ b/src/utils/localStorage.ts
@@ -0,0 +1,26 @@
+import { STORAGE_KEYS } from '@constants/storageKeys';
+
+type StorageKeys = keyof typeof STORAGE_KEYS;
+
+const setStorage = <T>(key: StorageKeys, value: T) => {
+  try {
+    const jsonValue = JSON.stringify(value);
+    localStorage.setItem(key, jsonValue);
+  } catch {
+    throw new Error('로컬 스토리지에 값을 저장하는 도중 오류가 발생했습니다.');
+  }
+};
+
+const getStorage = <T>(key: StorageKeys, defaultValue?: unknown): T => {
+  const jsonValue = localStorage.getItem(key);
+  if (!jsonValue && !defaultValue) {
+    throw new Error('로컬 스토리지에 존재하지 않는 값입니다.');
+  }
+  return jsonValue ? JSON.parse(jsonValue) : defaultValue;
+};
+
+const deleteStorage = (key: StorageKeys) => {
+  localStorage.removeItem(key);
+};
+
+export { getStorage, setStorage, deleteStorage };