get<T> method

Implementation

@override
Future<T?> get<T>(
  String key,
  T Function(Map<String, dynamic>) fromJson,
) async {
  if (_database == null) await initialize();

  final cacheItem = await _database!.findCache(key);
  if (cacheItem == null) return null;

  try {
    final jsonMap = jsonDecode(cacheItem.data) as Map<String, dynamic>;
    return fromJson(jsonMap);
  } catch (e) {
    // 解析失败，删除无效缓存
    await delete(key);
    return null;
  }
}