From ec8927d318ef91e6ac9cecf79f8305ae02758fb2 Mon Sep 17 00:00:00 2001
From: JamieDeMaria <jamie@dagsterlabs.com>
Date: Thu, 21 Nov 2024 11:42:33 -0500
Subject: [PATCH] add empty state if no partitions available to launch in
 backfill preview

---
 .../packages/ui-core/src/assets/BackfillPreviewModal.tsx    | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/js_modules/dagster-ui/packages/ui-core/src/assets/BackfillPreviewModal.tsx b/js_modules/dagster-ui/packages/ui-core/src/assets/BackfillPreviewModal.tsx
index 31607e4e01b28..f78dda46931d0 100644
--- a/js_modules/dagster-ui/packages/ui-core/src/assets/BackfillPreviewModal.tsx
+++ b/js_modules/dagster-ui/packages/ui-core/src/assets/BackfillPreviewModal.tsx
@@ -57,7 +57,7 @@ export const BackfillPreviewModal = ({
       skip: !isOpen,
     },
   );
-  const {data} = queryResult;
+  const {data, loading} = queryResult;
 
   const partitionsByAssetToken = useMemo(() => {
     return Object.fromEntries(
@@ -107,8 +107,10 @@ export const BackfillPreviewModal = ({
                   <RowCell style={{color: Colors.textDefault(), alignItems: 'flex-start'}}>
                     {partitions ? (
                       <TargetPartitionsDisplay targetPartitions={partitions} />
-                    ) : (
+                    ) : loading ? (
                       <Spinner purpose="body-text" />
+                    ) : (
+                      'No partitions available to materialize'
                     )}
                   </RowCell>
                 </RowGrid>