39 lines
1.5 KiB
TypeScript
39 lines
1.5 KiB
TypeScript
import localforage from "localforage";
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import type { StateStorage } from "zustand/middleware";
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import { isUserScopedPersistenceSuppressed, scopedStorageKey } from "@/lib/user-scope";
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localforage.config({
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name: "infinite-canvas",
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storeName: "app_state",
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});
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// localforage 需要 localStorage / indexedDB 等浏览器存储驱动；测试进程等环境可能只有 window 而无存储 API，
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// 此时直接跳过读写，避免 localforage 内部回退并输出 "No available storage method found"。
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function browserStorageAvailable(): boolean {
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if (typeof window === "undefined") return false;
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return typeof window.localStorage !== "undefined" || typeof window.indexedDB !== "undefined";
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}
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export function localForageStorageForScope(scope?: string): StateStorage {
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const keyFor = (name: string) => scopedStorageKey(name, scope);
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return {
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getItem: async (name) => {
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if (!browserStorageAvailable()) return null;
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return (await localforage.getItem<string>(keyFor(name))) || null;
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},
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setItem: async (name, value) => {
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if (!browserStorageAvailable()) return;
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if (isUserScopedPersistenceSuppressed()) return;
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await localforage.setItem(keyFor(name), value);
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},
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removeItem: async (name) => {
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if (!browserStorageAvailable()) return;
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if (isUserScopedPersistenceSuppressed()) return;
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await localforage.removeItem(keyFor(name));
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},
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};
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}
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export const localForageStorage: StateStorage = localForageStorageForScope();
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