From a743efdc5941b1fb35fa636de8e9cb6a3afa6590 Mon Sep 17 00:00:00 2001
From: Yunuuuu <yunyunpp96@outlook.com>
Date: Mon, 9 Dec 2024 17:02:28 +0800
Subject: [PATCH] restore labels from layout data when provided data has no
 labels

---
 R/align-.R | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/R/align-.R b/R/align-.R
index 6390e5b0..1ac95053 100644
--- a/R/align-.R
+++ b/R/align-.R
@@ -228,7 +228,7 @@ Align <- ggproto("Align", AlignProto,
                     object_name, NROW(data), layout_name, layout_nobs
                 ))
             }
-            self$labels <- vec_names(data)
+            self$labels <- vec_names(data) %||% vec_names(layout_data)
             params <- self$setup_params(layout_nobs, input_params)
             self$data <- ggalign_attr_restore(
                 self$setup_data(params, data),