typescript

frontend/src/preview/DocumentViewerPanel.tsx

@@ -190,7 +190,7 @@ const DocumentViewerPanel: React.FC<DocumentViewerPanelProps> = ({
     ],
   );
 
-  const loadOcrContent = useCallback(async ({ signal } = {}) => {
+  const loadOcrContent = useCallback(async ({ signal }: { signal?: AbortSignal } = {}) => {
     if (!document || !hasOcr || typeof getDocumentAsset !== 'function') {
       return '';
     }

frontend/src/preview/useViewerLayoutMode.ts

@@ -57,7 +57,7 @@ export const useViewerLayoutMode = (
 
     measure();
 
-    if (!('ResizeObserver' in window)) {
+    if (typeof ResizeObserver === 'undefined') {
       window.addEventListener('resize', measure);
       return () => {
         if (frame) {