Use shadcn sidebar component for the file manager sidebar/folder tree

app/components/FolderTree.tsx

@@ -5,6 +5,14 @@ import { ChevronRight, ChevronDown, Folder } from "lucide-react";
 import { SolidStorage } from "../lib/hooks/useSolidStorages";
 import { FolderTreeChild, folderUrlsEqual, ensureTrailingSlash, getAuthenticatedSession, fetchContainerListing, foldersFromListing } from "../lib/helpers";
 import { getContainerListing, loadContainerListing, subscribeContainerCache, getContainerCacheVersion } from "../lib/cache";
+import {
+    SidebarMenu,
+    SidebarMenuButton,
+    SidebarMenuItem,
+    SidebarMenuSub,
+    SidebarMenuSubItem,
+    SidebarMenuSkeleton,
+} from "@/components/ui/sidebar";
 
 interface FolderTreeProps {
     storages: SolidStorage[];
@@ -30,6 +38,8 @@ export default function FolderTree({
     // Children come from the shared cache, not a local copy.
     // cacheVersion makes this recompute when listings are written or invalidated.
     const childrenByUrl = useMemo(() => {
+        // cacheVersion is read so listings recompute after cache writes/invalidation.
+        void cacheVersion;
         const next: Record<string, FolderTreeChild[]> = {};
         for (const url of expandedUrls) {
             const cached = getContainerListing(url);
@@ -124,7 +134,7 @@ export default function FolderTree({
     }, [expandedUrls, loadChildren]);
 
     // Render one folder row and its nested children when expanded.
-    const renderNode = useCallback((node: FolderTreeChild, depth: number) => {
+    const renderNode = useCallback((node: FolderTreeChild) => {
         const nodeUrl = ensureTrailingSlash(node.url);
         const isExpanded = expandedUrls.has(nodeUrl);
         const isLoading = loadingUrls.has(nodeUrl);
@@ -133,16 +143,12 @@ export default function FolderTree({
         const isCurrent = normalizedCurrentFolderUrl != null && folderUrlsEqual(normalizedCurrentFolderUrl, nodeUrl);
 
         return (
-            <li key={nodeUrl}>
-                <div
-                    className={`group flex items-center gap-1 rounded-md px-2 py-1 text-sm ${isCurrent ? "bg-accent text-foreground font-medium" : "text-foreground hover:bg-muted"
-                        }`}
-                    style={{ paddingLeft: `${depth * 12 + 8}px` }}
-                >
+            <SidebarMenuItem key={nodeUrl}>
+                <div className="flex w-full items-center gap-0.5">
                     <button
                         type="button"
                         onClick={() => void toggleExpand(nodeUrl)}
-                        className="rounded p-0.5 hover:bg-muted"
+                        className="flex size-7 shrink-0 items-center justify-center rounded-md text-sidebar-foreground hover:bg-sidebar-accent"
                         aria-label={isExpanded ? `Collapse ${node.name}` : `Expand ${node.name}`}
                         aria-expanded={isExpanded}
                     >
@@ -153,44 +159,41 @@ export default function FolderTree({
                         )}
                     </button>
 
-                    <button
-                        type="button"
+                    <SidebarMenuButton
+                        isActive={isCurrent}
+                        className="flex-1"
                         onClick={() => onNavigate(nodeUrl)}
-                        className="flex min-w-0 flex-1 items-center gap-2 text-left"
                         title={node.name}
                         aria-current={isCurrent ? "page" : undefined}
                     >
-                        <Folder className="h-4 w-4 shrink-0" aria-hidden="true" />
-                        <span className="truncate">{node.name}</span>
-                    </button>
+                        <Folder aria-hidden="true" />
+                        <span>{node.name}</span>
+                    </SidebarMenuButton>
                 </div>
 
-                {isExpanded && (
-                    <ul className="space-y-0.5">
+                {isExpanded && (isLoading || hasError || children.length > 0) && (
+                    <SidebarMenuSub>
                         {isLoading && (
-                            <li
-                                className="px-2 py-1 text-xs text-muted-foreground"
-                                style={{ paddingLeft: `${(depth + 1) * 12 + 8}px` }}
-                                aria-live="polite"
-                            >
-                                Loading...
-                            </li>
+                            <SidebarMenuSubItem>
+                                <SidebarMenuSkeleton showIcon />
+                            </SidebarMenuSubItem>
                         )}
 
                         {!isLoading && hasError && (
-                            <li
-                                className="px-2 py-1 text-xs text-destructive"
-                                style={{ paddingLeft: `${(depth + 1) * 12 + 8}px` }}
-                            >
-                                Failed to load folders
-                            </li>
+                            <SidebarMenuSubItem>
+                                <p className="px-2 py-1 text-xs text-destructive">
+                                    Failed to load folders
+                                </p>
+                            </SidebarMenuSubItem>
                         )}
 
-                        {!isLoading && !hasError && children.map((child) => renderNode(child, depth + 1))}
-                    </ul>
+                        {!isLoading &&
+                            !hasError &&
+                            children.map((child) => renderNode(child))}
+                    </SidebarMenuSub>
                 )}
-            </li>
-        )
+            </SidebarMenuItem>
+        );
     }, [
         childrenByUrl,
         errorByUrl,
@@ -212,12 +215,15 @@ export default function FolderTree({
     );
 
     if (rootNodes.length === 0) {
-        return <p className="px-3 py-2 text-sm text-muted-foreground">No storages found</p>
+        return (
+            <p className="px-3 py-2 text-sm text-muted-foreground">
+                No storages found
+            </p>
+        );
     }
-
     return (
-        <ul className="space-y-0.5" aria-label="My Storages">
-            {rootNodes.map((node) => renderNode(node, 0))}
-        </ul>
+        <SidebarMenu aria-label="My Storages">
+            {rootNodes.map((node) => renderNode(node))}
+        </SidebarMenu>
     );
 }

app/components/Header.tsx

@@ -1,49 +1,16 @@
 "use client";
 
-import Image from "next/image";
 import ProfileIcon from "./ProfileIcon";
 import ThemeToggle from "./ThemeToggle";
-import { Menu } from "lucide-react";
+import { SidebarTrigger } from "@/components/ui/sidebar";
 
-interface HeaderProps {
-  onMenuClick?: () => void;
-  sidebarOpen?: boolean;
-}
-
-export default function Header({ onMenuClick }: HeaderProps) {
+export default function Header() {
   return (
-    <header className="sticky top-0 z-10 border-b border-border bg-background">
-      <div className="flex h-14 items-center">
-        {/* Desktop: center logo over the w-64 sidebar column */}
-        <div className="hidden w-64 shrink-0 items-center justify-center lg:flex">
-          <Image
-            src="/file-manager-logo.svg"
-            alt="Solid File Manager"
-            width={48}
-            height={48}
-            className="h-12 w-12"
-            priority
-          />
-        </div>
-
-        {/* Mobile: menu only — logo lives in the sidebar Sheet */}
-        {onMenuClick && (
-          <div className="flex items-center px-2 lg:hidden">
-            <button
-              type="button"
-              onClick={onMenuClick}
-              className="flex h-9 w-9 cursor-pointer items-center justify-center rounded-md text-muted-foreground hover:bg-muted focus:outline-none focus:ring-2 focus:ring-ring"
-              aria-label="Toggle menu"
-            >
-              <Menu className="h-5 w-5" />
-            </button>
-          </div>
-        )}
-
-        <div className="ml-auto flex items-center gap-1 px-2 sm:gap-2 sm:px-4">
-          <ThemeToggle />
-          <ProfileIcon />
-        </div>
+    <header className="sticky top-0 z-10 flex h-14 items-center gap-2 border-b border-border bg-background px-2 sm:px-4">
+      <SidebarTrigger className="lg:hidden" />
+      <div className="ml-auto flex items-center gap-1 sm:gap-2">
+        <ThemeToggle />
+        <ProfileIcon />
       </div>
     </header>
   );

app/components/Sidebar.tsx

@@ -6,14 +6,17 @@ import GitHubLinks from "./shared/GitHubLinks";
 import FolderTree from "./FolderTree";
 import { SolidStorage } from "../lib/hooks/useSolidStorages";
 import {
-  Sheet,
-  SheetContent,
-  SheetTitle,
-} from "@/components/ui/sheet";
+  Sidebar as SidebarPrimitive,
+  SidebarContent,
+  SidebarFooter,
+  SidebarHeader,
+  SidebarGroup,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  useSidebar,
+} from "@/components/ui/sidebar";
 
-interface SidebarProps {
-  isOpen?: boolean;
-  onClose?: () => void;
+interface AppSidebarProps {
   currentContainerUrl?: string | null;
   storages?: SolidStorage[];
   onFolderNavigate?: (folderUrl: string) => void;
@@ -22,93 +25,61 @@ interface SidebarProps {
   onFolderUploadClick?: () => void;
 }
 
-function SidebarNav({
+export default function AppSidebar({
   currentContainerUrl,
   storages,
   onFolderNavigate,
   onNewFolderClick,
   onFileUploadClick,
   onFolderUploadClick,
-}: Omit<SidebarProps, "isOpen" | "onClose">) {
-  return (
-    <nav className="flex h-full flex-col" aria-label="Navigation">
-      <NewMenuButton
-        currentContainerUrl={currentContainerUrl || null}
-        onNewFolderClick={onNewFolderClick}
-        onFileUploadClick={onFileUploadClick}
-        onFolderUploadClick={onFolderUploadClick}
-      />
-
-      <div className="mt-2 flex-1 overflow-y-auto">
-        <p className="px-3 py-1 text-xs font-medium text-muted-foreground">
-          My Storages
-        </p>
-        {storages && onFolderNavigate ? (
-          <FolderTree
-            storages={storages}
-            currentFolderUrl={currentContainerUrl}
-            onNavigate={onFolderNavigate}
-          />
-        ) : null}
-      </div>
-
-      <div className="mt-auto border-t border-border pt-4">
-        <GitHubLinks layout="vertical" />
-      </div>
-    </nav>
-  );
-}
+}: AppSidebarProps) {
+  const { isMobile, setOpenMobile } = useSidebar();
 
-export default function Sidebar({
-  isOpen = false,
-  onClose,
-  currentContainerUrl,
-  storages,
-  onFolderNavigate,
-  onNewFolderClick,
-  onFileUploadClick,
-  onFolderUploadClick,
-}: SidebarProps) {
-  const navProps = {
-    currentContainerUrl,
-    storages,
-    onFolderNavigate,
-    onNewFolderClick,
-    onFileUploadClick,
-    onFolderUploadClick,
+  const handleNavigate = (folderUrl: string) => {
+    onFolderNavigate?.(folderUrl);
+    if (isMobile) {
+      setOpenMobile(false);
+    }
   };
 
   return (
-    <>
-      {/* Desktop: always visible */}
-      <aside className="hidden h-full w-64 shrink-0 flex-col border-r border-sidebar-border bg-sidebar p-2 text-sidebar-foreground lg:flex">
-        <SidebarNav {...navProps} />
-      </aside>
+    <SidebarPrimitive collapsible="offcanvas">
+      <SidebarHeader className="items-center py-3">
+        <Image
+          src="/file-manager-logo.svg"
+          alt="Solid File Manager"
+          width={48}
+          height={48}
+          className="h-12 w-12"
+          priority
+        />
+      </SidebarHeader>
 
-      {/* Mobile: Sheet drawer */}
-      <Sheet
-        open={isOpen}
-        onOpenChange={(open) => {
-          if (!open) onClose?.();
-        }}
-      >
-        <SheetContent
-          side="left"
-          className="w-64 gap-0 bg-sidebar p-2 text-sidebar-foreground sm:max-w-64"
-        >
-          <SheetTitle className="sr-only">Navigation</SheetTitle>
-          <div className="flex items-center justify-center py-3">
-            <Image
-              src="/file-manager-logo.svg"
-              alt="Solid File Manager"
-              width={48}
-              height={48}
-              className="h-12 w-12"
-            />
-          </div>
-          <SidebarNav {...navProps} />
-        </SheetContent>
-      </Sheet>
-    </>
+      <SidebarContent className="p-2">
+        <NewMenuButton
+          currentContainerUrl={currentContainerUrl || null}
+          onNewFolderClick={onNewFolderClick}
+          onFileUploadClick={onFileUploadClick}
+          onFolderUploadClick={onFolderUploadClick}
+        />
+
+        <SidebarGroup>
+          <SidebarGroupLabel>My Storages</SidebarGroupLabel>
+          <SidebarGroupContent>
+            {storages && onFolderNavigate ? (
+              <FolderTree
+                storages={storages}
+                currentFolderUrl={currentContainerUrl}
+                onNavigate={handleNavigate}
+              />
+            ) : null}
+          </SidebarGroupContent>
+        </SidebarGroup>
+      </SidebarContent>
+
+      <SidebarFooter className="border-t border-sidebar-border">
+        <GitHubLinks layout="vertical" />
+      </SidebarFooter>
+    </SidebarPrimitive>
   );
 }