https://factchecker.cloud/src/utils/storageUtils.ts

1import { createLogger } from "/src/utils/logger.ts";
2const logger = createLogger("StorageUtils");
3export function safeGetItem(key) {
4	try {
5		return localStorage.getItem(key);
6	} catch (error) {
7		logger.error(`Failed to read ${key} from localStorage`, error);
8		return null;
9	}
10}
11export function safeSetItem(key, value) {
12	try {
13		localStorage.setItem(key, value);
14	} catch (error) {
15		logger.error(`Failed to write ${key} to localStorage`, error);
16	}
17}
18// sessionStorage 버전 — localStorage 와 동일한 Safari Private Mode 방어.
19// (예: 배너 dismiss 는 탭 단위 기억이라 sessionStorage 를 쓴다.)
20export function safeSessionGetItem(key) {
21	try {
22		return sessionStorage.getItem(key);
23	} catch (error) {
24		logger.error(`Failed to read ${key} from sessionStorage`, error);
25		return null;
26	}
27}
28export function safeSessionSetItem(key, value) {
29	try {
30		sessionStorage.setItem(key, value);
31	} catch (error) {
32		logger.error(`Failed to write ${key} to sessionStorage`, error);
33	}
34}
35export function safeRemoveItem(key) {
36	try {
37		localStorage.removeItem(key);
38	} catch (error) {
39		logger.error(`Failed to remove ${key} from localStorage`, error);
40	}
41}
42export function safeGetJson(key, fallback) {
43	try {
44		const raw = localStorage.getItem(key);
45		if (!raw) return fallback;
46		const parsed = JSON.parse(raw);
47		// 기본 타입 가드: fallback이 배열이면 parsed도 배열이어야 함.
48		// (localStorage가 수동/외부 조작되었을 때 앱 크래시 방지)
49		if (Array.isArray(fallback) && !Array.isArray(parsed)) return fallback;
50		if (!Array.isArray(fallback) && typeof fallback === "object" && fallback !== null && (typeof parsed !== "object" || parsed === null || Array.isArray(parsed))) {
51			return fallback;
52		}
53		return parsed;
54	} catch {
55		return fallback;
56	}
57}
58export function safeSetJson(key, value) {
59	try {
60		localStorage.setItem(key, JSON.stringify(value));
61	} catch {}
62}
63
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