feat: createLocalStorage, createSessionStorage 유틸 함수 구현

[#304]

packages/frontend/src/utils/webStorage.ts

@@ -0,0 +1,43 @@
+export function createLocalStorage<Value>(key: string, defaultValue: Value) {
+  return createStorage({ type: "localStorage", key, defaultValue });
+}
+
+export function createSessionStorage<Value>(key: string, defaultValue: Value) {
+  return createStorage<Value>({ type: "sessionStorage", key, defaultValue });
+}
+
+type CreateStorageOptions<Value> = {
+  type: "localStorage" | "sessionStorage";
+  key: string;
+  defaultValue: Value;
+};
+
+function createStorage<Value>({
+  type,
+  key,
+  defaultValue,
+}: CreateStorageOptions<Value>) {
+  const getItem = (): Value => {
+    const value = window?.[type].getItem(key);
+
+    if (value === null) return defaultValue;
+
+    try {
+      const parsedValue = JSON.parse(value);
+      return parsedValue as Value;
+    } catch (error) {
+      return defaultValue;
+    }
+  };
+
+  const setItem = (value: Value) =>
+    window?.[type].setItem(key, JSON.stringify(value));
+
+  const removeItem = () => window?.[type].removeItem(key);
+
+  return {
+    getItem,
+    setItem,
+    removeItem,
+  };
+}