| 1 | import type { StateStorage } from 'zustand/middleware' |
| 2 | |
| 3 | /** |
| 4 | * 检查是否在浏览器环境中 |
| 5 | * 用于避免在 SSR 环境下访问浏览器 API |
| 6 | */ |
| 7 | const isBrowser = typeof window !== 'undefined' && typeof indexedDB !== 'undefined' |
| 8 | |
| 9 | /** |
| 10 | * 动态导入 idb-keyval，仅在浏览器环境中使用 |
| 11 | * 避免 SSR 时报错：indexedDB is not defined |
| 12 | */ |
| 13 | async function getIdbKeyval() { |
| 14 | if (!isBrowser) { |
| 15 | return null |
| 16 | } |
| 17 | return import('idb-keyval') |
| 18 | } |
| 19 | |
| 20 | /** |
| 21 | * IndexedDB 存储类 |
| 22 | * 实现 zustand 的 StateStorage 接口 |
| 23 | * 在 SSR 环境下会 fallback 到 localStorage 或返回空值 |
| 24 | */ |
| 25 | class IndexedDBStorage implements StateStorage { |
| 26 | public async getItem(name: string): Promise<string | null> { |
| 27 | // SSR 环境下直接返回 null |
| 28 | if (!isBrowser) { |
| 29 | return null |
| 30 | } |
| 31 | |
| 32 | try { |
| 33 | const idb = await getIdbKeyval() |
| 34 | if (idb) { |
| 35 | const value = (await idb.get(name)) || localStorage.getItem(name) |
| 36 | return value |
| 37 | } |
| 38 | return localStorage.getItem(name) |
| 39 | } |
| 40 | catch (error) { |
| 41 | console.error('[IndexedDBStorage] getItem error:', error) |
| 42 | return localStorage.getItem(name) |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | public async setItem(name: string, value: string): Promise<void> { |
| 47 | // SSR 环境下不执行存储操作 |
| 48 | if (!isBrowser) { |
| 49 | return |
| 50 | } |
| 51 | |
| 52 | try { |
| 53 | const _value = JSON.parse(value) |
| 54 | if (!_value?.state?._hasHydrated) { |
| 55 | return |
| 56 | } |
| 57 | const idb = await getIdbKeyval() |
| 58 | if (idb) { |
| 59 | await idb.set(name, value) |
| 60 | } |
| 61 | } |
| 62 | catch (error) { |
| 63 | console.error('[IndexedDBStorage] setItem error:', error) |
| 64 | if (isBrowser) { |
| 65 | localStorage.setItem(name, value) |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | public async removeItem(name: string): Promise<void> { |
| 71 | // SSR 环境下不执行删除操作 |
| 72 | if (!isBrowser) { |
| 73 | return |
| 74 | } |
| 75 | |
| 76 | try { |
| 77 | const idb = await getIdbKeyval() |
| 78 | if (idb) { |
| 79 | await idb.del(name) |
| 80 | } |
| 81 | } |
| 82 | catch (error) { |
| 83 | console.error('[IndexedDBStorage] removeItem error:', error) |
| 84 | localStorage.removeItem(name) |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | public async clear(): Promise<void> { |
| 89 | // SSR 环境下不执行清除操作 |
| 90 | if (!isBrowser) { |
| 91 | return |
| 92 | } |
| 93 | |
| 94 | try { |
| 95 | const idb = await getIdbKeyval() |
| 96 | if (idb) { |
| 97 | await idb.clear() |
| 98 | } |
| 99 | } |
| 100 | catch (error) { |
| 101 | console.error('[IndexedDBStorage] clear error:', error) |
| 102 | localStorage.clear() |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | export const indexedDBStorage = new IndexedDBStorage() |
| 108 |