fix typeerror

src/lib/data-migration-progress.ts

@@ -0,0 +1,50 @@
+// 存储进度信息的 Map
+const progressStore = new Map<string, {
+  phase: string;
+  current: number;
+  total: number;
+  message: string;
+  timestamp: number;
+}>();
+
+// 清理过期的进度信息（超过5分钟）
+setInterval(() => {
+  const now = Date.now();
+  const entries = Array.from(progressStore.entries());
+  for (const [key, value] of entries) {
+    if (now - value.timestamp > 5 * 60 * 1000) {
+      progressStore.delete(key);
+    }
+  }
+}, 60 * 1000);
+
+// 辅助函数：更新进度
+export function updateProgress(
+  username: string,
+  operation: 'export' | 'import',
+  phase: string,
+  current: number,
+  total: number,
+  message: string
+) {
+  const progressKey = `${username}:${operation}`;
+  progressStore.set(progressKey, {
+    phase,
+    current,
+    total,
+    message,
+    timestamp: Date.now(),
+  });
+}
+
+// 辅助函数：清除进度
+export function clearProgress(username: string, operation: 'export' | 'import') {
+  const progressKey = `${username}:${operation}`;
+  progressStore.delete(progressKey);
+}
+
+// 辅助函数：获取进度
+export function getProgress(username: string, operation: 'export' | 'import') {
+  const progressKey = `${username}:${operation}`;
+  return progressStore.get(progressKey);
+}