TestData: Fixes issue with for ever loading state when all queries are hidden (#30861)

2021-02-03 15:04:06 +01:00
parent 1f66b5c7a9
commit 204252462f
1 changed files with 4 additions and 0 deletions
@@ -86,6 +86,10 @@ export class TestDataDataSource extends DataSourceWithBackend<TestDataQuery> {
      streams.push(super.query(backendOpts));
    }

+    if (streams.length === 0) {
+      return of({ data: [] });
+    }
+
    return merge(...streams);
  }