perf(m3u): stop cancelled refresh workers (#1268)

libs/shared/interfaces/src/lib/electron-api.interface.ts

@@ -21,6 +21,7 @@ import {
     XtreamBackupRecentlyViewedItem,
 } from './playlist-backup.interface';
 import {
+    PlaylistRefreshCancelledResult,
     PlaylistRefreshEvent,
     PlaylistRefreshPayload,
 } from './playlist-refresh.interface';
@@ -671,7 +672,9 @@ export interface ElectronBridgeApi {
         url: string,
         method?: 'GET' | 'HEAD'
     ) => Promise<ElectronBridgeXtreamProbeResult>;
-    refreshPlaylist: (payload: PlaylistRefreshPayload) => Promise<Playlist>;
+    refreshPlaylist: (
+        payload: PlaylistRefreshPayload
+    ) => Promise<Playlist | PlaylistRefreshCancelledResult>;
     cancelPlaylistRefresh: (
         operationId: string
     ) => Promise<ElectronBridgeResult>;

libs/shared/interfaces/src/lib/playlist-refresh.interface.ts

@@ -27,3 +27,25 @@ export interface PlaylistRefreshPayload {
     url?: string;
     trustedInsecureTlsHosts?: string[];
 }
+
+export const PLAYLIST_REFRESH_CANCELLED_RESULT_TYPE =
+    'playlist-refresh-cancelled' as const;
+
+export interface PlaylistRefreshCancelledResult {
+    operationId: string;
+    type: typeof PLAYLIST_REFRESH_CANCELLED_RESULT_TYPE;
+}
+
+export function isPlaylistRefreshCancelledResult(
+    value: unknown
+): value is PlaylistRefreshCancelledResult {
+    if (!value || typeof value !== 'object') {
+        return false;
+    }
+
+    const candidate = value as Record<string, unknown>;
+    return (
+        candidate['type'] === PLAYLIST_REFRESH_CANCELLED_RESULT_TYPE &&
+        typeof candidate['operationId'] === 'string'
+    );
+}