Joey
64 lines
1.8 KiB
TypeScript
64 lines
1.8 KiB
TypeScript
/**
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* IndexedDB 封装 —— 持久化 FileSystemDirectoryHandle
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*
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* chrome.storage 存不了 FileSystemDirectoryHandle（它不是 JSON 可序列化类型），
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* 必须用 IndexedDB（structured clone 支持）。存一次后跨会话免重复授权。
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*/
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const DB_NAME = 'ozon-seller-kit';
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const STORE = 'handles';
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const ROOT_KEY = 'SH_ROOT_DIR';
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function openDb(): Promise<IDBDatabase> {
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return new Promise((resolve, reject) => {
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const req = indexedDB.open(DB_NAME, 1);
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req.onupgradeneeded = () => {
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if (!req.result.objectStoreNames.contains(STORE)) {
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req.result.createObjectStore(STORE);
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}
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};
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req.onsuccess = () => resolve(req.result);
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req.onerror = () => reject(req.error);
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});
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}
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export async function idbSet(key: string, value: unknown): Promise<void> {
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const db = await openDb();
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return new Promise((resolve, reject) => {
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const tx = db.transaction(STORE, 'readwrite');
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tx.objectStore(STORE).put(value, key);
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tx.oncomplete = () => {
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db.close();
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resolve();
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};
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tx.onerror = () => {
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db.close();
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reject(tx.error);
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};
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});
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}
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export async function idbGet<T>(key: string): Promise<T | null> {
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const db = await openDb();
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return new Promise((resolve, reject) => {
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const tx = db.transaction(STORE, 'readonly');
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const req = tx.objectStore(STORE).get(key);
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req.onsuccess = () => {
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db.close();
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resolve((req.result as T) ?? null);
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};
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req.onerror = () => {
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db.close();
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reject(req.error);
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};
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});
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}
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export async function saveRootDir(handle: FileSystemDirectoryHandle): Promise<void> {
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await idbSet(ROOT_KEY, handle);
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}
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export async function loadRootDir(): Promise<FileSystemDirectoryHandle | null> {
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return idbGet<FileSystemDirectoryHandle>(ROOT_KEY);
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}
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