fuck

frontend/src/app/useDocumentPreview.ts

@@ -25,11 +25,11 @@ type PreviewEntry = {
   canGoNext?: boolean;
   goPrev?: () => void;
   goNext?: () => void;
-} | null;
+};
 
 interface AssetManagerLike {
-  hydrateDetail: (payload: unknown) => { document?: DocumentLike } | null | undefined;
-  hydrateDocument: (payload: unknown) => DocumentLike | null | undefined;
+  hydrateDetail: (payload: unknown) => { document?: DocumentLike } | null;
+  hydrateDocument: (payload: unknown) => DocumentLike | null;
 }
 
 interface ApiClient {
@@ -60,10 +60,10 @@ interface UseDocumentPreviewArgs {
 interface UseDocumentPreviewResult {
   previewEntries: Map<DocumentId, PreviewEntry>;
   previewDocuments: Map<DocumentId, DocumentLike>;
-  ensurePreviewUrl: (documentId: DocumentId | null, options?: { force?: boolean }) => Promise<PreviewEntry | null>;
-  ensurePreviewData: (documentId: DocumentId | null) => Promise<DocumentLike | null>;
-  openDocumentPreview: (documentId: DocumentId | null, options?: { replace?: boolean }) => void;
-  closeDocumentPreview: (folderId?: FolderId | null) => void;
+  ensurePreviewUrl: (documentId: DocumentId, options?: { force?: boolean }) => Promise<PreviewEntry | null>;
+  ensurePreviewData: (documentId: DocumentId) => Promise<DocumentLike | null>;
+  openDocumentPreview: (documentId: DocumentId, options?: { replace?: boolean }) => void;
+  closeDocumentPreview: (folderId?: FolderId) => void;
   resetPreviewState: () => void;
   removePreviewEntries: (ids: DocumentId[]) => void;
 }
@@ -114,7 +114,7 @@ const useDocumentPreview = ({
     });
   }, []);
 
-  const cachePreviewDocument = useCallback((doc: DocumentLike | null | undefined) => {
+  const cachePreviewDocument = useCallback((doc: DocumentLike) => {
     if (!doc?.id) {
       return;
     }
@@ -129,7 +129,7 @@ const useDocumentPreview = ({
     });
   }, []);
 
-  const removeCachedPreviewDocument = useCallback((documentId?: DocumentId | null) => {
+  const removeCachedPreviewDocument = useCallback((documentId: DocumentId) => {
     if (!documentId) {
       return;
     }
@@ -144,7 +144,7 @@ const useDocumentPreview = ({
   }, []);
 
   const ensurePreviewUrl = useCallback(
-    async (documentId: DocumentId | null, { force = false }: { force?: boolean } = {}): Promise<PreviewEntry | null> => {
+    async (documentId: DocumentId, { force = false }: { force?: boolean } = {}): Promise<PreviewEntry | null> => {
       if (!documentId) return null;
 
       const existing = previewEntries.get(documentId) || null;
@@ -194,7 +194,7 @@ const useDocumentPreview = ({
   );
 
   const ensurePreviewData = useCallback(
-    async (documentId: DocumentId | null): Promise<DocumentLike | null> => {
+    async (documentId: DocumentId): Promise<DocumentLike | null> => {
       if (!documentId) return null;
 
       const findInCache = () => {
@@ -248,7 +248,7 @@ const useDocumentPreview = ({
   );
 
   const openDocumentPreview = useCallback(
-    (documentId: DocumentId | null, { replace = false }: { replace?: boolean } = {}) => {
+    (documentId: DocumentId, { replace = false }: { replace?: boolean } = {}) => {
       if (!documentId) return;
       detailPanelControlRef.current?.close?.();
       previewReturnPathRef.current = `${locationPathname}${locationSearch}`;
@@ -258,7 +258,7 @@ const useDocumentPreview = ({
   );
 
   const closeDocumentPreview = useCallback(
-    (folderId: FolderId | null = null) => {
+    (folderId?: FolderId) => {
       const fallbackPath = previewReturnPathRef.current;
       previewReturnPathRef.current = null;