s

d2ypp2/web-console/lib/youtubeProChannels.ts

@@ -71,20 +71,24 @@ export function saveYoutubeProChannels(channels: YoutubeProChannel[]): void {
 
 const YOUTUBE_PRO_SYNC_PATHS = ["/hub/youtube_pro_channels", "/youtube_pro_channels"] as const;
 
+export type YoutubeProChannelsRemoteResult = {
+  fetched: boolean;
+  channels: YoutubeProChannel[];
+};
+
 /** 从服务器拉多频道列表（依次尝试 /hub 与根路径，兼容反代未转发 /hub 的情况） */
 export async function fetchYoutubeProChannelsRemote(
   fetchJson: <T,>(path: string, init?: RequestInit) => Promise<T>,
-): Promise<YoutubeProChannel[]> {
+): Promise<YoutubeProChannelsRemoteResult> {
   for (const path of YOUTUBE_PRO_SYNC_PATHS) {
     try {
       const data = await fetchJson<{ channels?: unknown }>(path);
-      const fromServer = parseYoutubeProChannelList(data.channels);
-      if (fromServer.length) return fromServer;
+      return { fetched: true, channels: parseYoutubeProChannelList(data.channels) };
     } catch {
       /* try next */
     }
   }
-  return [];
+  return { fetched: false, channels: [] };
 }
 
 export async function pushYoutubeProChannelsRemote(