SilverBullet pivot to become an offline-first PWA (#403)

web/syscalls/sync.ts

@@ -0,0 +1,13 @@
+import { SysCallMapping } from "../../plugos/system.ts";
+import { SyncService } from "../sync_service.ts";
+
+export function syncSyscalls(syncService: SyncService): SysCallMapping {
+  return {
+    "sync.isSyncing": (): Promise<boolean> => {
+      return syncService.isSyncing();
+    },
+    "sync.hasInitialSyncCompleted": (): Promise<boolean> => {
+      return syncService.hasInitialSyncCompleted();
+    },
+  };
+}