fix(flat-pages): don't update color scheme in preview when no query (#…

…1833)
netless-io · Feb 9, 2023 · 04c0064 · 04c0064
1 parent 25241c5
commit 04c0064
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/packages/flat-pages/src/FilePreviewPage/index.tsx b/packages/flat-pages/src/FilePreviewPage/index.tsx
@@ -54,6 +54,9 @@ export const FilePreviewPage: React.FC<FilePreviewPageProps> = props => {
 
     useIsomorphicLayoutEffect(() => {
         const raw = query.get("theme");
+        if (!raw) {
+            return;
+        }
         const theme: FlatPrefersColorScheme =
             raw === "dark" ? "dark" : raw === "light" ? "light" : "auto";
         preferencesStore.updatePrefersColorScheme(theme);