51:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 52:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 53:T2c032,"use client" import * as React from "react" import { ScrollArea as ScrollAreaPrimitive } from "@base-ui/react/scroll-area" import { createFileTreeIconResolver, getBuiltInSpriteSheet, prepareFileTreeInput, type FileTreeSortComparator, type FileTreeSortEntry, } from "@pierre/trees" import { FileTree as PierreFileTree, useFileTree } from "@pierre/trees/react" import { createPortal } from "react-dom" import { cn } from "@/lib/utils" import { Button } from "@/components/ui/button" import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList, } from "@/components/ui/command" import { Dialog, DialogClose, DialogContent, DialogFooter, DialogHeader, DialogTitle, } from "@/components/ui/dialog" import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuSub, DropdownMenuSubContent, DropdownMenuSubTrigger, DropdownMenuTrigger, } from "@/components/ui/dropdown-menu" import { Input } from "@/components/ui/input" import { Popover, PopoverContent, PopoverTrigger, } from "@/components/ui/popover" import { ScrollArea as InlineScrollArea, ScrollBar, } from "@/components/ui/scroll-area" import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue, } from "@/components/ui/select" import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs" import { FileThumbnail } from "@/components/extend/file-thumbnail" import { IconPlaceholder } from "@/components/icon-placeholder" function ArrowDown01Glyph(props: InlineRegistryIconProps) { return ( ) } function ArrowUp01Glyph(props: InlineRegistryIconProps) { return ( ) } function Calendar03Glyph(props: InlineRegistryIconProps) { return ( ) } function File01Glyph(props: InlineRegistryIconProps) { return ( ) } function GalleryThumbnailsGlyph(props: InlineRegistryIconProps) { return ( ) } function GridViewGlyph(props: InlineRegistryIconProps) { return ( ) } function LayoutThreeColumnGlyph(props: InlineRegistryIconProps) { return ( ) } function LeftToRightListBulletGlyph(props: InlineRegistryIconProps) { return ( ) } const LazyPDFViewer = React.lazy(() => import("@/components/extend/pdf-viewer").then((mod) => ({ default: mod.PDFViewer, })) ) const LazyDocxViewerPreview = React.lazy(() => import("@/components/extend/docx-viewer").then((mod) => ({ default: mod.DocxViewerPreview, })) ) const LazyPptxViewerPreview = React.lazy(() => import("@/components/extend/pptx-viewer").then((mod) => ({ default: mod.PptxViewerPreview, })) ) const LazyXlsxViewerPreview = React.lazy(() => import("@/components/extend/xlsx-viewer").then((mod) => ({ default: mod.XlsxViewerPreview, })) ) export type FileSystemView = "icons" | "list" | "columns" | "gallery" export type FileSystemFolderItem = { kind: "folder" /** Folder prefix, e.g. `"invoices/2026/"`. A trailing slash is added when missing. */ path: string name?: string parentPath?: string /** Set when children exist but are not in `items` yet; enables `loadChildren`. */ hasChildren?: boolean createdAt?: string updatedAt?: string } export type FileSystemFileItem = { kind: "file" /** Display/canonical path, e.g. `"invoices/2026/jan.pdf"`. */ path: string /** Original object key (S3/R2). Defaults to `path`. */ key?: string name?: string parentPath?: string contentType?: string size?: number createdAt?: string updatedAt?: string etag?: string /** Optional if already public/presigned. Otherwise resolved via `getFileUrl`. */ url?: string /** Externally generated thumbnail. The component never renders documents itself. */ previewImageUrl?: string | null /** * Externally generated page thumbnails (first entry is the cover). When a * file has more than one page, large thumbnails show a hover pager. */ previewImageUrls?: string[] | null /** * Total page count when it exceeds `previewImageUrls.length`; the pager * loads the remaining pages on demand via `loadPreviewImageUrl`. */ previewPageCount?: number /** Thumbnail aspect ratio (width / height). Defaults to a portrait page. */ previewAspectRatio?: number metadata?: Record } export type FileSystemItem = FileSystemFolderItem | FileSystemFileItem export type FileSystemLoadChildrenArgs = { path: string cursor: string | null } export type FileSystemLoadChildrenResult = { items: FileSystemItem[] nextCursor?: string | null } export type FileSystemProps = { /** Flat manifest. Folders are optional; missing prefixes are inferred from file paths. */ items: FileSystemItem[] className?: string /** Label for the root folder. */ title?: string defaultView?: FileSystemView view?: FileSystemView onViewChange?: (view: FileSystemView) => void /** Folder prefix to open initially, e.g. `"invoices/"`. */ defaultPath?: string onSelectionChange?: (item: FileSystemItem | null) => void /** * Called on file open (double-click), replacing the built-in behavior. By * default PDF, DOCX, PPTX, XLSX, and image files open in a viewer dialog and * other files open their resolved URL in a new tab. */ onFileOpen?: (file: FileSystemFileItem, url: string | null) => void /** Resolve a URL (e.g. presigned) for a file without one. */ getFileUrl?: (file: FileSystemFileItem) => string | Promise /** Lazily fetch children for folders with `hasChildren` and no loaded entries. */ loadChildren?: ( args: FileSystemLoadChildrenArgs ) => Promise /** Custom preview node for files without `previewImageUrl`. */ renderFilePreview?: (file: FileSystemFileItem) => React.ReactNode /** * Lazily render a page thumbnail beyond the eagerly provided * `previewImageUrls` (the pager calls this as pages come into view). */ loadPreviewImageUrl?: ( file: FileSystemFileItem, pageIndex: number ) => Promise } type FolderEntry = FileSystemFolderItem & { name: string parentPath: string } type FileEntry = FileSystemFileItem & { key: string name: string parentPath: string } type FileSystemEntry = FolderEntry | FileEntry type FileSystemIndex = { children: Map files: Map folders: Map } function normalizeFolderPath(path: string) { if (!path || path === "/") return "" return path.endsWith("/") ? path : `${path}/` } function pathName(path: string) { const trimmed = path.endsWith("/") ? path.slice(0, -1) : path const separatorIndex = trimmed.lastIndexOf("/") return separatorIndex === -1 ? trimmed : trimmed.slice(separatorIndex + 1) } function pathParent(path: string) { const trimmed = path.endsWith("/") ? path.slice(0, -1) : path const separatorIndex = trimmed.lastIndexOf("/") return separatorIndex === -1 ? "" : trimmed.slice(0, separatorIndex + 1) } function fileExtension(name: string) { const dotIndex = name.lastIndexOf(".") return dotIndex === -1 ? "" : name.slice(dotIndex + 1).toLowerCase() } const FILE_KIND_LABELS: Record = { css: "CSS Stylesheet", csv: "CSV Document", doc: "Word Document", docx: "Word Document", gif: "GIF Image", go: "Go Source", jpeg: "JPEG Image", jpg: "JPEG Image", js: "JavaScript Source", json: "JSON Document", jsx: "JavaScript Source", md: "Markdown Document", mdx: "MDX Document", pdf: "PDF Document", png: "PNG Image", ppt: "PowerPoint Presentation", pptx: "PowerPoint Presentation", py: "Python Script", rs: "Rust Source", sh: "Shell Script", sql: "SQL Script", svg: "SVG Image", ts: "TypeScript Source", tsv: "TSV Document", tsx: "TypeScript Source", txt: "Plain Text", webp: "WebP Image", xls: "Excel Workbook", xlsx: "Excel Workbook", yaml: "YAML Document", yml: "YAML Document", zip: "ZIP Archive", } function fileKindLabel(file: FileEntry) { const byExtension = FILE_KIND_LABELS[fileExtension(file.name)] if (byExtension) return byExtension if (file.contentType?.startsWith("image/")) return "Image" return file.contentType ?? "Document" } // Folders sort under the "Folder" kind alphabetically among the file kinds, // like Finder's Kind sort. function entryKindLabel(entry: FileSystemEntry) { return entry.kind === "folder" ? "Folder" : fileKindLabel(entry) } // MIME types inferred from the extension when a file carries no // `contentType`, so the file-type filter can classify every manifest entry. const EXTENSION_MIME_TYPES: Record = { css: "text/css", csv: "text/csv", doc: "application/msword", docx: "application/vnd.openxmlformats-officedocument.wordprocessingml.document", gif: "image/gif", go: "text/x-go", jpeg: "image/jpeg", jpg: "image/jpeg", js: "text/javascript", json: "application/json", jsx: "text/jsx", md: "text/markdown", mdx: "text/mdx", pdf: "application/pdf", png: "image/png", ppt: "application/vnd.ms-powerpoint", pptx: "application/vnd.openxmlformats-officedocument.presentationml.presentation", py: "text/x-python", rs: "text/x-rust", sh: "application/x-sh", sql: "application/sql", svg: "image/svg+xml", ts: "text/x-typescript", tsv: "text/tab-separated-values", tsx: "text/x-typescript", txt: "text/plain", webp: "image/webp", xls: "application/vnd.ms-excel", xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", yaml: "text/yaml", yml: "text/yaml", zip: "application/zip", } const FALLBACK_MIME_TYPE = "application/octet-stream" const IPAD_MIN_WIDTH = 768 const MIME_TYPE_LABELS: Record = { [FALLBACK_MIME_TYPE]: "Binary", "application/json": "JSON", "application/msword": "Word document (legacy)", "application/pdf": "PDF", "application/sql": "SQL", "application/vnd.ms-excel": "Excel workbook (legacy)", "application/vnd.ms-powerpoint": "PowerPoint (legacy)", "application/vnd.openxmlformats-officedocument.presentationml.presentation": "PowerPoint", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet": "Excel workbook", "application/vnd.openxmlformats-officedocument.wordprocessingml.document": "Word document", "application/x-sh": "Shell script", "application/zip": "ZIP archive", "image/gif": "GIF image", "image/jpeg": "JPEG image", "image/png": "PNG image", "image/svg+xml": "SVG image", "image/webp": "WebP image", "text/css": "CSS", "text/csv": "CSV", "text/javascript": "JavaScript", "text/jsx": "JSX", "text/markdown": "Markdown", "text/mdx": "MDX", "text/plain": "Plain text", "text/tab-separated-values": "TSV", "text/x-go": "Go", "text/x-python": "Python", "text/x-rust": "Rust", "text/x-typescript": "TypeScript", "text/yaml": "YAML", } function mimeTypeForFile(file: FileEntry) { return ( file.contentType ?? EXTENSION_MIME_TYPES[fileExtension(file.name)] ?? FALLBACK_MIME_TYPE ) } function fileTypeFilterGroup(mime: string): FileTypeFilterGroup { if ( mime === "application/pdf" || mime === "application/msword" || mime === "application/vnd.ms-powerpoint" || mime === "application/vnd.openxmlformats-officedocument.presentationml.presentation" || mime === "application/vnd.openxmlformats-officedocument.wordprocessingml.document" ) { return "Documents" } if ( mime === "application/vnd.ms-excel" || mime === "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" || mime === "text/csv" || mime === "text/tab-separated-values" ) { return "Spreadsheets" } if (mime.startsWith("image/")) return "Images" if ( mime === "application/json" || mime === "application/sql" || mime === "application/x-sh" || mime === "text/css" || mime === "text/javascript" || mime === "text/jsx" || mime === "text/x-go" || mime === "text/x-python" || mime === "text/x-rust" || mime === "text/x-typescript" || mime === "text/yaml" ) { return "Code" } if ( mime === "text/markdown" || mime === "text/mdx" || mime === "text/plain" ) { return "Text" } return "Archives & binary" } export type FileSystemViewerKind = "docx" | "image" | "pdf" | "pptx" | "xlsx" function viewerKindForFile( file: FileSystemFileItem ): FileSystemViewerKind | null { if (file.contentType?.startsWith("image/")) return "image" if (file.contentType === "application/pdf") return "pdf" if ( file.contentType === "application/vnd.openxmlformats-officedocument.presentationml.presentation" ) { return "pptx" } const name = (file.name ?? file.path).toLowerCase() if (name.endsWith(".pdf")) return "pdf" if (name.endsWith(".docx")) return "docx" if (name.endsWith(".pptx")) return "pptx" if (name.endsWith(".xlsx")) return "xlsx" if (/\.(avif|gif|jpe?g|png|svg|webp)$/.test(name)) return "image" return null } // PDF and Word pages want height; presentations and spreadsheets want width; // images get a roomy but contained frame. const VIEWER_DIALOG_CLASSNAMES: Record = { docx: "h-[88vh] w-[min(96vw,68rem)] max-w-none", image: "max-h-[88vh] w-fit max-w-[min(96vw,64rem)]", pdf: "h-[88vh] w-[min(96vw,68rem)] max-w-none", pptx: "h-[88vh] w-[min(96vw,84rem)] max-w-none", xlsx: "h-[85vh] w-[min(96vw,100rem)] max-w-none", } function FileSystemViewerLoading() { return (

) } function formatByteSize(size: number | undefined) { if (size === undefined) return null if (size < 1000) return `${size} bytes` const units = ["KB", "MB", "GB", "TB"] let value = size for (const unit of units) { value /= 1000 if (value < 1000 || unit === "TB") { return `${value >= 100 ? Math.round(value) : value.toFixed(value >= 10 ? 1 : 2).replace(/\.?0+$/, "")} ${unit}` } } return null } function formatTimestamp(value: string | undefined) { if (!value) return null const date = new Date(value) if (Number.isNaN(date.getTime())) return null const day = date.toLocaleDateString("en-US", { day: "numeric", month: "short", year: "numeric", }) const time = date.toLocaleTimeString("en-US", { hour: "numeric", minute: "2-digit", }) return `${day} at ${time}` } // Every directory prefix appearing in the given relative file paths. function directoryPathsOf(paths: readonly string[]) { const directoryPaths = new Set() for (const relativePath of paths) { let slashIndex = relativePath.indexOf("/") while (slashIndex !== -1) { directoryPaths.add(relativePath.slice(0, slashIndex)) slashIndex = relativePath.indexOf("/", slashIndex + 1) } } return directoryPaths } function compareEntryNames( left: { name: string }, right: { name: string } ) { return left.name.localeCompare(right.name, undefined, { numeric: true, sensitivity: "base", }) } export type FileSystemSortKey = | "createdAt" | "kind" | "name" | "size" | "updatedAt" type FileSystemSortState = { direction: "asc" | "desc" key: FileSystemSortKey } const SORT_OPTIONS: Array<{ defaultDirection: "asc" | "desc" key: FileSystemSortKey label: string /** Shorter label so the toolbar trigger stays narrow. */ triggerLabel: string }> = [ { defaultDirection: "asc", key: "name", label: "Name", triggerLabel: "Name" }, { defaultDirection: "asc", key: "kind", label: "Kind", triggerLabel: "Kind" }, { defaultDirection: "desc", key: "createdAt", label: "Date created", triggerLabel: "Created", }, { defaultDirection: "desc", key: "updatedAt", label: "Date modified", triggerLabel: "Modified", }, { defaultDirection: "desc", key: "size", label: "Size", triggerLabel: "Size", }, ] const DEFAULT_SORT: FileSystemSortState = { direction: "asc", key: "name" } function defaultSortDirection(key: FileSystemSortKey) { return ( SORT_OPTIONS.find((option) => option.key === key)?.defaultDirection ?? "asc" ) } function entrySortTimestamp( entry: FileSystemEntry, key: "createdAt" | "updatedAt" ) { const value = entry[key] const time = value ? Date.parse(value) : Number.NaN return Number.isNaN(time) ? 0 : time } // Primary key per the active sort; ties (and missing metadata) fall back to // the name order so results stay stable. The name tiebreak ignores the // direction, like Finder. function compareEntriesBySort( left: FileSystemEntry, right: FileSystemEntry, sort: FileSystemSortState ) { let result = 0 if (sort.key === "name") { result = compareEntryNames(left, right) } else if (sort.key === "kind") { result = entryKindLabel(left).localeCompare( entryKindLabel(right), undefined, { sensitivity: "base", } ) } else if (sort.key === "size") { // Folders have no byte size; group them at the small end. const leftSize = left.kind === "file" ? (left.size ?? 0) : -1 const rightSize = right.kind === "file" ? (right.size ?? 0) : -1 result = leftSize - rightSize } else { result = entrySortTimestamp(left, sort.key) - entrySortTimestamp(right, sort.key) } if (result === 0) return compareEntryNames(left, right) return sort.direction === "asc" ? (result < 0 ? -1 : 1) : result < 0 ? 1 : -1 } export type FileSystemFilterType = "dateCreated" | "dateModified" | "fileType" type FileSystemDateFilterType = Exclude type FileSystemFilterOperator = | "after" | "before" | "in-range" | "is" | "is-any-of" | "is-not" | "not-in-range" type FileSystemFilter = { id: string operator: FileSystemFilterOperator type: FileSystemFilterType value: string[] } type FileTypeFilterGroup = | "Documents" | "Spreadsheets" | "Images" | "Code" | "Text" | "Archives & binary" type FileTypeFilterOption = { group: FileTypeFilterGroup /** Sample file name so the option icon reuses the file-type sprite. */ iconFileName: string label: string mime: string } const FILE_TYPE_FILTER_GROUPS: FileTypeFilterGroup[] = [ "Documents", "Spreadsheets", "Images", "Code", "Text", "Archives & binary", ] const FILTER_TYPE_LABELS: Record = { dateCreated: "Date created", dateModified: "Date modified", fileType: "File type", } const FILTER_OPERATOR_LABELS: Record = { after: "after", before: "before", "in-range": "in range", is: "is", "is-any-of": "is any of", "is-not": "is not", "not-in-range": "not in range", } // Relative cutoffs for the date filters, mirroring Extend's table filters. const DATE_FILTER_PRESETS = [ "1 day ago", "3 days ago", "1 week ago", "1 month ago", "3 months ago", "6 months ago", "1 year ago", ] function dateFilterPresetCutoff(preset: string) { const date = new Date() switch (preset) { case "1 day ago": date.setDate(date.getDate() - 1) break case "3 days ago": date.setDate(date.getDate() - 3) break case "1 week ago": date.setDate(date.getDate() - 7) break case "1 month ago": date.setMonth(date.getMonth() - 1) break case "3 months ago": date.setMonth(date.getMonth() - 3) break case "6 months ago": date.setMonth(date.getMonth() - 6) break case "1 year ago": date.setFullYear(date.getFullYear() - 1) break default: { const parsed = Date.parse(preset) if (!Number.isNaN(parsed)) return new Date(parsed) } } return date } // Custom ranges store two ISO timestamps instead of a relative preset. function isCustomDateRangeValue(value: string[]) { return ( value.length === 2 && value.every( (entry) => !DATE_FILTER_PRESETS.includes(entry) && !Number.isNaN(Date.parse(entry)) ) ) } function filterOperatorChoices( filter: FileSystemFilter ): FileSystemFilterOperator[] { if (filter.type === "fileType") { return filter.value.length > 1 ? ["is-any-of", "is-not"] : ["is", "is-not"] } if (isCustomDateRangeValue(filter.value)) return ["in-range", "not-in-range"] return ["before", "after"] } function fileMatchesFilter(file: FileEntry, filter: FileSystemFilter) { if (filter.value.length === 0) return true if (filter.type === "fileType") { const matches = filter.value.includes(mimeTypeForFile(file)) return filter.operator === "is-not" ? !matches : matches } const timestamp = filter.type === "dateCreated" ? file.createdAt : file.updatedAt const time = timestamp ? Date.parse(timestamp) : Number.NaN if (Number.isNaN(time)) return false if (filter.operator === "in-range" || filter.operator === "not-in-range") { const from = Date.parse(filter.value[0]) const to = Date.parse(filter.value[1] ?? filter.value[0]) const isInRange = time >= from && time <= to return filter.operator === "not-in-range" ? !isInRange : isInRange } const cutoff = dateFilterPresetCutoff(filter.value[0]).getTime() return filter.operator === "before" ? time <= cutoff : time >= cutoff } function buildFileSystemIndex(items: FileSystemItem[]): FileSystemIndex { const folders = new Map() const files = new Map() const ensureFolderChain = (folderPath: string) => { let path = normalizeFolderPath(folderPath) while (path && !folders.has(path)) { folders.set(path, { kind: "folder", name: pathName(path), parentPath: pathParent(path), path, }) path = pathParent(path) } } for (const item of items) { if (item.kind === "folder") { const path = normalizeFolderPath(item.path) if (!path) continue folders.set(path, { ...item, name: item.name ?? pathName(path), parentPath: normalizeFolderPath(item.parentPath ?? pathParent(path)), path, }) ensureFolderChain(pathParent(path)) } else { if (!item.path) continue files.set(item.path, { ...item, key: item.key ?? item.path, name: item.name ?? pathName(item.path), parentPath: normalizeFolderPath( item.parentPath ?? pathParent(item.path) ), }) ensureFolderChain(pathParent(item.path)) } } const children = new Map() const pushChild = (entry: FileSystemEntry) => { const siblings = children.get(entry.parentPath) if (siblings) { siblings.push(entry) } else { children.set(entry.parentPath, [entry]) } } for (const folder of folders.values()) pushChild(folder) for (const file of files.values()) pushChild(file) for (const siblings of children.values()) { siblings.sort(compareEntryNames) } // Folders without an explicit modified date inherit their newest child's — // object stores carry no folder metadata, yet the list view shows the // column and the date sorts compare it. Deepest first (a descendant's path // is always longer than its ancestor's) so dates propagate up the chain. const foldersDeepestFirst = [...folders.values()].sort( (left, right) => right.path.length - left.path.length ) for (const folder of foldersDeepestFirst) { if (folder.updatedAt) continue let newestTime = Number.NEGATIVE_INFINITY let newestValue: string | undefined for (const child of children.get(folder.path) ?? []) { const value = child.updatedAt ?? child.createdAt const time = value ? Date.parse(value) : Number.NaN if (!Number.isNaN(time) && time > newestTime) { newestTime = time newestValue = value } } if (newestValue) folder.updatedAt = newestValue } return { children, files, folders } } function folderHasChildren(index: FileSystemIndex, folder: FolderEntry) { return ( (index.children.get(folder.path)?.length ?? 0) > 0 || folder.hasChildren === true ) } // A single SVG source so the same glyph renders as a React element, inside the // @pierre/trees shadow DOM (via CSS url()), and stays pixel-identical in both. const FOLDER_GLYPH_SVG = `` const FOLDER_GLYPH_DATA_URL = `data:image/svg+xml,${encodeURIComponent(FOLDER_GLYPH_SVG)}` function FileSystemFolderGlyph({ className }: { className?: string }) { return ( // eslint-disable-next-line @next/next/no-img-element -- The folder glyph is an inline SVG data URL shared with the tree sprite. ) } function escapeXmlAttribute(value: string) { return value .replaceAll("&", "&") .replaceAll("<", "<") .replaceAll(">", ">") .replaceAll('"', """) } // The @pierre/trees "complete" set — the full, colored suite with brand and // framework glyphs — ships as an SVG sprite. The list view tree consumes it // natively inside its shadow DOM; the icon, column, and gallery views render // the same sprite from the light DOM so every view falls back to the same // file-type icon when a file has no thumbnail. const FILE_ICON_SPRITE_SHEET = getBuiltInSpriteSheet("complete") const { resolveIcon: resolveFileIcon } = createFileTreeIconResolver({ colored: true, set: "complete", }) // Per-token light/dark colors mirroring the palette the tree applies inside // its shadow DOM. Tokens without an entry (font, nextjs, stylelint) stay // muted-foreground there too. const FILE_ICON_COLORS: Record = { astro: ["#a631be", "#d568ea"], babel: ["#d5a910", "#ffd452"], bash: ["#199f43", "#5ecc71"], biome: ["#1a85d4", "#69b1ff"], bootstrap: ["#693acf", "#9d6afb"], browserslist: ["#d5a910", "#ffd452"], bun: ["#594c5b", "#79697b"], c: ["#1a85d4", "#69b1ff"], claude: ["#d47628", "#ffa359"], cpp: ["#1a85d4", "#69b1ff"], css: ["#693acf", "#9d6afb"], database: ["#a631be", "#d568ea"], default: ["#84848a", "#adadb1"], docker: ["#1a85d4", "#69b1ff"], eslint: ["#693acf", "#9d6afb"], git: ["#ff8c5b", "#d5512f"], go: ["#1ca1c7", "#68cdf2"], graphql: ["#d32a61", "#ff678d"], html: ["#d47628", "#ffa359"], image: ["#d32a61", "#ff678d"], javascript: ["#d5a910", "#ffd452"], json: ["#d47628", "#ffa359"], markdown: ["#199f43", "#5ecc71"], mcp: ["#17a5af", "#64d1db"], npm: ["#d52c36", "#ff6762"], oxc: ["#1ca1c7", "#68cdf2"], postcss: ["#d52c36", "#ff6762"], prettier: ["#17a5af", "#64d1db"], python: ["#1a85d4", "#69b1ff"], react: ["#1ca1c7", "#68cdf2"], ruby: ["#d52c36", "#ff6762"], rust: ["#d47628", "#ffa359"], sass: ["#d32a61", "#ff678d"], svelte: ["#d52c36", "#ff6762"], svg: ["#d47628", "#ffa359"], svgo: ["#199f43", "#5ecc71"], swift: ["#d47628", "#ffa359"], table: ["#17a5af", "#64d1db"], tailwind: ["#1ca1c7", "#68cdf2"], terraform: ["#693acf", "#9d6afb"], text: ["#84848a", "#adadb1"], typescript: ["#1a85d4", "#69b1ff"], vite: ["#a631be", "#d568ea"], vscode: ["#1a85d4", "#69b1ff"], vue: ["#199f43", "#5ecc71"], wasm: ["#693acf", "#9d6afb"], webpack: ["#1a85d4", "#69b1ff"], yml: ["#d52c36", "#ff6762"], zig: ["#d47628", "#ffa359"], zip: ["#d47628", "#ffa359"], } function fileIconColorVariables(mode: 0 | 1) { return Object.entries(FILE_ICON_COLORS) .map(([token, colors]) => `--fs-file-icon-${token}: ${colors[mode]};`) .join(" ") } // The variables live on :root rather than the component root because the // filter menus and dialogs portal outside it; the --fs-file-icon-* // namespace keeps them collision-free. Thumbnail tiles keep a light // (paper) surface in dark mode, so icons inside them revert to the light // palette ([data-file-system-on-light]); selected rows sit on the primary // surface — the opposite of the mode's background — so icons there swap to // the opposite palette ([data-file-system-on-primary] in the light DOM, // --fs-selected-color-scheme for the tree's light-dark() colors inside its // shadow DOM). const FILE_ICON_COLOR_CSS = ` :root { ${fileIconColorVariables(0)} --fs-selected-color-scheme: dark; } .dark { ${fileIconColorVariables(1)} --fs-selected-color-scheme: light; } .dark [data-file-system-on-light] { ${fileIconColorVariables(0)} } [data-file-system-on-primary] { ${fileIconColorVariables(1)} } .dark [data-file-system-on-primary] { ${fileIconColorVariables(0)} } ` function FileSystemIconSpriteSheet() { return ( <> ) } function FileTypeIcon({ fileName, className, }: { fileName: string className?: string }) { const icon = resolveFileIcon("file-tree-icon-file", fileName) return ( ) } function FileGenericPreview({ file }: { file: FileEntry }) { const extension = fileExtension(file.name) return (

{extension ? ( {extension} ) : null}

) } function filePreviewUrls(file: FileSystemFileItem) { if (file.previewImageUrls?.length) return file.previewImageUrls return file.previewImageUrl ? [file.previewImageUrl] : [] } // Mirrors @pierre/trees' query normalization so the toolbar search filters // the icon, column, and gallery views exactly like the list view tree: // trimmed, backslashes to slashes, lowercased, substring match on the path. function normalizeSearchQuery(value: string) { const trimmed = value.trim() if (!trimmed) return "" return trimmed.replaceAll("\\", "/").toLowerCase() } // Windowed rendering, the approach @pierre/trees uses for the list view: // with a fixed item stride only the items intersecting the viewport — plus // `overscan` on each side — are mounted, so views stay flat-cost at // thousands of entries. The window keeps a one-item margin before // recomputing (scrolling doesn't re-render per item) and that margin also // guarantees single-step keyboard moves land on a mounted neighbor. function useVirtualWindow({ count, horizontal = false, itemStride, leadingPx = 0, overscan = 8, viewportRef, }: { count: number horizontal?: boolean itemStride: number leadingPx?: number overscan?: number viewportRef: React.RefObject }) { const [window_, setWindow] = React.useState(() => ({ end: Math.min(count, overscan * 2), start: 0, })) React.useLayoutEffect(() => { const viewport = viewportRef.current if (!viewport || itemStride <= 0) return const update = () => { const scrollStart = (horizontal ? viewport.scrollLeft : viewport.scrollTop) - leadingPx const viewportSize = horizontal ? viewport.clientWidth : viewport.clientHeight const firstVisible = Math.max(0, Math.floor(scrollStart / itemStride)) const lastVisible = Math.min( count, Math.ceil((scrollStart + viewportSize) / itemStride) ) setWindow((previous) => { if ( previous.end <= count && previous.start <= Math.max(0, firstVisible - 1) && previous.end >= Math.min(count, lastVisible + 1) ) { return previous } return { end: Math.min(count, lastVisible + overscan), start: Math.max(0, firstVisible - overscan), } }) } update() viewport.addEventListener("scroll", update, { passive: true }) const observer = typeof ResizeObserver === "undefined" ? null : new ResizeObserver(update) observer?.observe(viewport) return () => { viewport.removeEventListener("scroll", update) observer?.disconnect() } }, [count, horizontal, itemStride, leadingPx, overscan, viewportRef]) return window_ } // Scrolls the item at `index` into the viewport when it sits outside it — // virtualized views need this because off-window items have no DOM node to // call scrollIntoView on. function scrollIndexIntoView({ horizontal = false, index, itemSize, itemStride, leadingPx = 0, viewport, }: { horizontal?: boolean index: number itemSize: number itemStride: number leadingPx?: number viewport: HTMLDivElement | null }) { if (!viewport || index < 0) return const start = leadingPx + index * itemStride const end = start + itemSize const scrollStart = horizontal ? viewport.scrollLeft : viewport.scrollTop const viewportSize = horizontal ? viewport.clientWidth : viewport.clientHeight let nextScrollStart: number | null = null if (start < scrollStart) { nextScrollStart = start } else if (end > scrollStart + viewportSize) { nextScrollStart = end - viewportSize } if (nextScrollStart === null) return if (horizontal) { viewport.scrollLeft = nextScrollStart } else { viewport.scrollTop = nextScrollStart } } function FileVisual({ file, className, loadPreviewImageUrl, pageable = false, pageUrlCache, previewAspectRatio, previewClassName, renderFilePreview, }: { file: FileEntry className?: string loadPreviewImageUrl?: ( file: FileSystemFileItem, pageIndex: number ) => Promise /** Show a hover pager over multi-page thumbnails. */ pageable?: boolean /** * Shared `"path#pageIndex"` → URL cache so pages fetched by one pager * (gallery stage, columns preview) are reused by every other instance. */ pageUrlCache?: Map previewAspectRatio?: number previewClassName?: string renderFilePreview?: (file: FileSystemFileItem) => React.ReactNode }) { const previewUrls = filePreviewUrls(file) const canLoadLazily = pageable && Boolean(loadPreviewImageUrl) const totalPages = Math.max( previewUrls.length, canLoadLazily ? (file.previewPageCount ?? 0) : 0 ) const [pageIndex, setPageIndex] = React.useState(0) const [lazyPageUrls, setLazyPageUrls] = React.useState< Record >({}) const clampedPageIndex = Math.min(pageIndex, Math.max(totalPages - 1, 0)) const previewUrl = previewUrls[clampedPageIndex] ?? lazyPageUrls[clampedPageIndex] ?? pageUrlCache?.get(`${file.path}#${clampedPageIndex}`) ?? null const resolvedAspectRatio = file.previewAspectRatio ?? previewAspectRatio const isLazyPagePending = canLoadLazily && !previewUrl && clampedPageIndex < totalPages const fileRef = React.useRef(file) React.useEffect(() => { fileRef.current = file }) const [previousFilePath, setPreviousFilePath] = React.useState(file.path) if (!Object.is(previousFilePath, file.path)) { setPreviousFilePath(file.path) setPageIndex(0) setLazyPageUrls({}) } // Keyed by path (not object identity) so manifest churn doesn't re-request // the page already being loaded. React.useEffect(() => { if (!isLazyPagePending || !loadPreviewImageUrl) return let isCurrent = true void loadPreviewImageUrl(fileRef.current, clampedPageIndex) .then((url) => { // Cache even when stale (page flipped away mid-load): the fetch is // done, so let the next visit use it. if (url) pageUrlCache?.set(`${file.path}#${clampedPageIndex}`, url) if (isCurrent && url) { setLazyPageUrls((previous) => ({ ...previous, [clampedPageIndex]: url, })) } }) .catch(() => {}) return () => { isCurrent = false } }, [ clampedPageIndex, file.path, isLazyPagePending, loadPreviewImageUrl, pageUrlCache, ]) const customPreview = !previewUrl && !isLazyPagePending ? renderFilePreview?.(file) : null const showPager = pageable && totalPages > 1 const thumbnail = ( ) } /> ) if (!showPager) return thumbnail return (

{thumbnail}

{clampedPageIndex + 1}/{totalPages}

) } const VIEW_OPTIONS: Array<{ icon: React.ComponentType label: string value: FileSystemView }> = [ { icon: GridViewGlyph, label: "Grid", value: "icons" }, { icon: LeftToRightListBulletGlyph, label: "List", value: "list" }, { icon: LayoutThreeColumnGlyph, label: "Columns", value: "columns" }, { icon: GalleryThumbnailsGlyph, label: "Gallery", value: "gallery" }, ] export function FileSystem({ items, className, title = "Files", defaultView = "icons", view: viewProp, onViewChange, defaultPath = "", onSelectionChange, onFileOpen, getFileUrl, loadChildren, loadPreviewImageUrl, renderFilePreview, }: FileSystemProps) { const [internalView, setInternalView] = React.useState(defaultView) const view = viewProp ?? internalView const setView = React.useCallback( (nextView: FileSystemView) => { setInternalView(nextView) onViewChange?.(nextView) }, [onViewChange] ) const [loadedItems, setLoadedItems] = React.useState([]) const allItems = React.useMemo( () => (loadedItems.length ? [...items, ...loadedItems] : items), [items, loadedItems] ) const index = React.useMemo(() => buildFileSystemIndex(allItems), [allItems]) const [history, setHistory] = React.useState(() => ({ index: 0, stack: [normalizeFolderPath(defaultPath)], })) const currentPath = history.stack[history.index] ?? "" const canGoBack = history.index > 0 const canGoForward = history.index < history.stack.length - 1 const [selectedPath, setSelectedPath] = React.useState(null) const selectedEntry = React.useMemo(() => { if (selectedPath === null) return null return ( index.files.get(selectedPath) ?? index.folders.get(selectedPath) ?? null ) }, [index, selectedPath]) const [searchInput, setSearchInput] = React.useState("") const searchInputRef = React.useRef(null) const [isSearchExpanded, setIsSearchExpanded] = React.useState(false) const searchQuery = normalizeSearchQuery(searchInput) const isSearching = searchQuery.length > 0 const [sort, setSort] = React.useState(DEFAULT_SORT) const [filters, setFilters] = React.useState([]) const hasActiveFilters = filters.length > 0 // Files must pass every active filter; folders stay visible through // matching descendants, so the predicate only ever sees files. const fileFilter = React.useMemo(() => { if (filters.length === 0) return null return (file: FileEntry) => filters.every((filter) => fileMatchesFilter(file, filter)) }, [filters]) // Paths that stay visible while searching or filtering: every file whose // currentPath-relative path contains the query — the list view tree's // hide-non-matches semantics — and that passes the filters, plus the // ancestor folders leading to it. Folder names participate in search // matches only when no filters are active; with filters, a folder is only // as visible as the files inside it. const visiblePaths = React.useMemo(() => { if (!isSearching && !fileFilter) return null const visible = new Set() const markVisible = (path: string) => { while (path && path !== currentPath && !visible.has(path)) { visible.add(path) path = pathParent(path) } } const matchesQuery = (path: string) => !isSearching || path.slice(currentPath.length).toLowerCase().includes(searchQuery) for (const [path, file] of index.files) { if (path === currentPath) continue if (currentPath && !path.startsWith(currentPath)) continue if (!matchesQuery(path)) continue if (fileFilter && !fileFilter(file)) continue markVisible(path) } if (!fileFilter) { for (const path of index.folders.keys()) { if (path === currentPath) continue if (currentPath && !path.startsWith(currentPath)) continue if (matchesQuery(path)) markVisible(path) } } return visible }, [currentPath, fileFilter, index, isSearching, searchQuery]) const visibleIndex = React.useMemo(() => { if (!visiblePaths) return index const children = new Map() for (const [parentPath, parentChildren] of index.children) { const visibleChildren = parentChildren.filter((entry) => visiblePaths.has(entry.path) ) if (visibleChildren.length) children.set(parentPath, visibleChildren) } return { ...index, children } }, [index, visiblePaths]) // Children re-sorted per the active sort; the default (name ascending) // reuses the index's pre-sorted arrays untouched. const sortedIndex = React.useMemo(() => { if ( sort.key === DEFAULT_SORT.key && sort.direction === DEFAULT_SORT.direction ) { return visibleIndex } const children = new Map() for (const [parentPath, parentChildren] of visibleIndex.children) { children.set( parentPath, [...parentChildren].sort((left, right) => compareEntriesBySort(left, right, sort) ) ) } return { ...visibleIndex, children } }, [sort, visibleIndex]) // The ref mirrors the state so re-selecting the same entry (e.g. the // pointerdown + click pair the columns view emits per press) stays a // no-op without widening the callback's dependencies. const selectedPathRef = React.useRef(null) const selectEntry = React.useCallback( (entry: FileSystemEntry | null) => { const path = entry?.path ?? null if (selectedPathRef.current === path) return selectedPathRef.current = path setSelectedPath(path) onSelectionChange?.(entry) }, [onSelectionChange] ) // A query or filter change can hide the selected entry out from under the // views. React.useEffect(() => { if (!visiblePaths || !selectedPath) return if (!visiblePaths.has(selectedPath)) selectEntry(null) }, [selectEntry, selectedPath, visiblePaths]) const applySortKey = React.useCallback((key: FileSystemSortKey) => { setSort((previous) => previous.key === key ? previous : { direction: defaultSortDirection(key), key } ) }, []) // Column headers toggle the direction when the column is already active, // like Finder. const toggleSortColumn = React.useCallback((key: FileSystemSortKey) => { setSort((previous) => previous.key === key ? { direction: previous.direction === "asc" ? "desc" : "asc", key } : { direction: defaultSortDirection(key), key } ) }, []) // Distinct MIME types across the loaded manifest, labeled for the filter // menu; the first file seen per type lends its name to the option icon. const fileTypeOptions = React.useMemo(() => { const byMime = new Map() for (const file of index.files.values()) { const mime = mimeTypeForFile(file) if (!byMime.has(mime)) { // The leading-dot check keeps dotfiles (.gitignore) whole. const dotIndex = file.name.lastIndexOf(".") const extension = dotIndex > 0 ? file.name.slice(dotIndex + 1).toLowerCase() : "" byMime.set(mime, { group: fileTypeFilterGroup(mime), // A synthesized generic name, so files with branded icons // (biome.json, next.config.ts, CLAUDE.md, …) don't lend them to // the whole type; extensionless names keep their own icon // (Dockerfile, Makefile). iconFileName: extension ? `file.${extension}` : file.name, label: MIME_TYPE_LABELS[mime] ?? mime, mime, }) } } return [...byMime.values()].sort((left, right) => left.label.localeCompare(right.label) ) }, [index]) const filterIdRef = React.useRef(0) const [dateRangeDialog, setDateRangeDialog] = React.useState<{ initialRange?: { from: Date to: Date } type: FileSystemDateFilterType } | null>(null) const toggleFileTypeFilterValue = React.useCallback( (mime: string, checked: boolean) => { const id = `filter-${++filterIdRef.current}` setFilters((previous) => { const existing = previous.find((filter) => filter.type === "fileType") if (!existing) { if (!checked) return previous return [ ...previous, { id, operator: "is" as const, type: "fileType" as const, value: [mime], }, ] } const value = checked ? [...new Set([...existing.value, mime])] : existing.value.filter((entry) => entry !== mime) if (value.length === 0) { return previous.filter((filter) => filter !== existing) } // "is" and "is any of" track the value count; "is not" is unaffected. const operator = existing.operator === "is" || existing.operator === "is-any-of" ? value.length > 1 ? ("is-any-of" as const) : ("is" as const) : existing.operator return previous.map((filter) => filter === existing ? { ...filter, operator, value } : filter ) }) }, [] ) const setDatePresetFilter = React.useCallback( (type: FileSystemDateFilterType, preset: string) => { const id = `filter-${++filterIdRef.current}` setFilters((previous) => [ ...previous.filter((filter) => filter.type !== type), { id, operator: "after", type, value: [preset] }, ]) }, [] ) // Editing an existing custom range seeds the dialog with its bounds. const openDateRangeDialog = React.useCallback( (type: FileSystemDateFilterType) => { const existing = filters.find((filter) => filter.type === type) setDateRangeDialog({ initialRange: existing && isCustomDateRangeValue(existing.value) ? { from: new Date(existing.value[0]), to: new Date(existing.value[1]), } : undefined, type, }) }, [filters] ) const applyCustomDateRange = React.useCallback( (type: FileSystemDateFilterType, from: Date, to: Date) => { const id = `filter-${++filterIdRef.current}` setFilters((previous) => { const existing = previous.find((filter) => filter.type === type) return [ ...previous.filter((filter) => filter.type !== type), { id, operator: existing?.operator === "not-in-range" ? ("not-in-range" as const) : ("in-range" as const), type, value: [from.toISOString(), to.toISOString()], }, ] }) }, [] ) // Below iPad width the view switcher collapses into a select and the sort // select drops its label; below 560px the search input collapses into a // popover, and below 360px the folder name is dropped too. const rootRef = React.useRef(null) const [headerLayout, setHeaderLayout] = React.useState< "full" | "compact" | "minimal" >("full") const [isBelowIpadWidth, setIsBelowIpadWidth] = React.useState(false) React.useEffect(() => { const root = rootRef.current if (!root || typeof ResizeObserver === "undefined") return const applyWidth = (width: number | undefined) => { if (width === undefined) return setHeaderLayout( width < 360 ? "minimal" : width < 560 ? "compact" : "full" ) setIsBelowIpadWidth(width < IPAD_MIN_WIDTH) } const observer = new ResizeObserver((observerEntries) => applyWidth(observerEntries[0]?.contentRect.width) ) // Measure synchronously so the first painted layout is already correct; // the observer then tracks resizes. applyWidth(root.clientWidth) observer.observe(root) return () => observer.disconnect() }, []) const requestedFoldersRef = React.useRef(new Set()) const [loadingFolders, setLoadingFolders] = React.useState>( () => new Set() ) const ensureChildren = React.useCallback( (folderPath: string) => { if (!loadChildren) return const folder = index.folders.get(folderPath) if (!folder?.hasChildren) return if (index.children.get(folderPath)?.length) return if (requestedFoldersRef.current.has(folderPath)) return requestedFoldersRef.current.add(folderPath) setLoadingFolders((previous) => new Set(previous).add(folderPath)) void (async () => { try { let cursor: string | null = null do { const result = await loadChildren({ cursor, path: folderPath }) if (result.items.length) { setLoadedItems((previous) => [...previous, ...result.items]) } cursor = result.nextCursor ?? null } while (cursor) } catch { requestedFoldersRef.current.delete(folderPath) } finally { setLoadingFolders((previous) => { const next = new Set(previous) next.delete(folderPath) return next }) } })() }, [index, loadChildren] ) const navigateTo = React.useCallback( (folderPath: string) => { const path = normalizeFolderPath(folderPath) setHistory((previous) => { if (previous.stack[previous.index] === path) return previous const stack = [...previous.stack.slice(0, previous.index + 1), path] return { index: stack.length - 1, stack } }) // Navigation exits search, like Finder. setSearchInput("") selectEntry(null) ensureChildren(path) }, [ensureChildren, selectEntry] ) React.useEffect(() => { ensureChildren(currentPath) }, [currentPath, ensureChildren]) // Navigation unmounts the focused row, dropping focus to and killing // the ⌘ shortcuts; reclaim focus onto the component root when that happens. const previousPathRef = React.useRef(currentPath) React.useEffect(() => { if (previousPathRef.current === currentPath) { return } previousPathRef.current = currentPath const root = rootRef.current if (root && document.activeElement === document.body) { root.focus({ preventScroll: true }) } }, [currentPath]) const [openedFile, setOpenedFile] = React.useState<{ file: FileEntry kind: FileSystemViewerKind url: string } | null>(null) // Component-lifetime caches shared by every view and the open dialog: // resolved (e.g. presigned) URLs keyed by path, and lazily loaded page // thumbnails keyed by `"path#pageIndex"`. Each resolution happens once no // matter how often the user revisits a file or switches views; stable // URLs also keep the browser's HTTP cache valid for fetched content. // Lazy state (never set) rather than refs: the Maps are passed down // during render, which the rules of React disallow for ref reads. const [resolvedUrlCache] = React.useState(() => new Map()) const [pageUrlCache] = React.useState(() => new Map()) // The keep-alive preview pool. Recently shown documents stay mounted so // returning to one — in the gallery stage or the viewer dialog — skips // the download and parse work instead of repeating it behind a spinner. // Each pooled path renders through a portal into a stable detached

// created once per path and never swapped (React remounts a portal's // children when its container changes); a layout effect reparents that // div into whichever host currently shows the file: the gallery's stage // wrapper or the open dialog. Imperative appendChild keeps the mounted // viewer (and its parsed document) alive across every move. Pooled paths // without a current host stay mounted but DETACHED from the DOM — a // detached subtree costs no layout, paint, or style-recalc work, so idle // pool members never slow down interactions in the visible viewer. const [stagePool, setStagePool] = React.useState([]) const [stageRecency] = React.useState(() => new Map()) const stageClockRef = React.useRef(0) const [stageContainers] = React.useState( () => new Map() ) const [stageHosts] = React.useState(() => new Map()) const [, bumpStageHosts] = React.useState(0) // Bumped on every admission so the attach set recomputes when recency // changes without a pool membership change. const [stageVersion, setStageVersion] = React.useState(0) const [dialogStageHost, setDialogStageHost] = React.useState(null) const registerStageHost = React.useCallback( (path: string, element: HTMLElement | null) => { if (element) { if (stageHosts.get(path) === element) return stageHosts.set(path, element) } else { if (!stageHosts.has(path)) return stageHosts.delete(path) } bumpStageHosts((version) => version + 1) }, [stageHosts] ) const dialogStageHostRef = React.useCallback( (element: HTMLDivElement | null) => setDialogStageHost(element), [] ) // Admits a file into the pool (idempotent), evicting the least recently // admitted path beyond the cap. The pool array keeps insertion order — // reordering would churn the host registrations — so recency lives in a // separate map; the version bump re-renders so the attach set below // tracks recency even when pool membership is unchanged. const poolStagePath = React.useCallback( (path: string) => { if (!index.files.has(path)) return if (!stageContainers.has(path)) { const container = document.createElement("div") // Layout/paint containment keeps work inside one preview from // invalidating the rest of the page (and vice versa). container.className = "flex size-full min-h-0 min-w-0 items-center justify-center contain-layout contain-paint" stageContainers.set(path, container) } stageRecency.set(path, ++stageClockRef.current) setStageVersion((version) => version + 1) setStagePool((previous) => { if (previous.includes(path)) return previous const next = [...previous, path] if (next.length <= GALLERY_STAGE_POOL_SIZE) return next let evicted = next[0] for (const candidate of next) { if (candidate === path) continue if ( (stageRecency.get(candidate) ?? 0) < (stageRecency.get(evicted) ?? 0) ) { evicted = candidate } } return next.filter((candidate) => candidate !== evicted) }) }, [index, stageContainers, stageRecency] ) const dialogStagePath = openedFile !== null && openedFile.kind !== "image" ? openedFile.file.path : null // Only the most recently shown stages stay attached to the DOM, so // rotating among a few files stays instant while older pool members wait // detached at zero rendering cost. Memoized so host ref callbacks // downstream stay referentially stable — recomputing every render would // re-register hosts in a loop. const attachedStagePaths = React.useMemo(() => { void stageVersion const attached = [...stagePool] .sort((a, b) => (stageRecency.get(b) ?? 0) - (stageRecency.get(a) ?? 0)) .slice(0, GALLERY_STAGE_ATTACHED_COUNT) if ( dialogStagePath && stagePool.includes(dialogStagePath) && !attached.includes(dialogStagePath) ) { attached.push(dialogStagePath) } return attached }, [dialogStagePath, stagePool, stageRecency, stageVersion]) // Reparent each pooled container to its current host. No dependency // array: host registration mutates maps in place, so the cheap loop // (pool ≤ GALLERY_STAGE_POOL_SIZE) runs every commit instead of chasing // every mutation source. React.useLayoutEffect(() => { for (const [path, container] of stageContainers) { if (!stagePool.includes(path)) { // Evicted — React already unmounted the portal's children. container.remove() stageContainers.delete(path) continue } if (dialogStagePath === path) { // Leave the container in place until the dialog host mounts. if (dialogStageHost && container.parentElement !== dialogStageHost) { dialogStageHost.appendChild(container) } continue } const target = attachedStagePaths.includes(path) ? (stageHosts.get(path) ?? null) : null if (!target) { if (container.parentElement) container.remove() } else if (container.parentElement !== target) { target.appendChild(container) } } }) const openFile = React.useCallback( (file: FileEntry) => { void (async () => { let url = file.url ?? resolvedUrlCache.get(file.path) ?? null if (!url && getFileUrl) { try { url = await getFileUrl(file) if (url) resolvedUrlCache.set(file.path, url) } catch { url = null } } if (onFileOpen) { onFileOpen(file, url) return } const kind = viewerKindForFile(file) if (kind && url) { // Pool the file so the dialog reuses an already-mounted preview // (and the gallery inherits the live viewer after it closes). poolStagePath(file.path) setOpenedFile({ file, kind, url }) } else if (url && typeof window !== "undefined") { window.open(url, "_blank", "noopener,noreferrer") } })() }, [getFileUrl, onFileOpen, poolStagePath, resolvedUrlCache] ) const openEntry = React.useCallback( (entry: FileSystemEntry) => { if (entry.kind === "folder") { navigateTo(entry.path) } else { openFile(entry) } }, [navigateTo, openFile] ) // Selecting a lazy folder (columns view, keyboard nav) prefetches children. const selectAndPrefetchEntry = React.useCallback( (entry: FileSystemEntry | null) => { selectEntry(entry) if (entry?.kind === "folder") ensureChildren(entry.path) }, [ensureChildren, selectEntry] ) const goBack = React.useCallback(() => { setHistory((previous) => ({ ...previous, index: Math.max(0, previous.index - 1), })) setSearchInput("") selectEntry(null) }, [selectEntry]) const goForward = React.useCallback(() => { setHistory((previous) => ({ ...previous, index: Math.min(previous.stack.length - 1, previous.index + 1), })) setSearchInput("") selectEntry(null) }, [selectEntry]) const currentEntries = sortedIndex.children.get(currentPath) ?? [] const currentFolderName = currentPath === "" ? title : pathName(currentPath) || title const isLoadingCurrentFolder = loadingFolders.has(currentPath) // The list view tree saves its expanded folders here when it unmounts // (view switches, navigation) so returning to the list view — or to a // previously visited folder — restores the same disclosure state. const treeExpansionRef = React.useRef(new Map()) const viewProps: FileSystemViewProps = { attachedStagePaths, currentPath, entries: currentEntries, fileFilter, getFileUrl, index: sortedIndex, loadPreviewImageUrl, loadingFolders, onOpen: openEntry, onSelect: selectAndPrefetchEntry, onSortColumnClick: toggleSortColumn, pageUrlCache, poolStagePath, registerStageHost, renderFilePreview, searchQuery, selectedEntry, selectedPath, sort, treeExpansionRef, } const openedFileName = openedFile ? (openedFile.file.name ?? openedFile.file.path) : "" const activeViewOption = VIEW_OPTIONS.find((option) => option.value === view) const viewerCloseToolbarAction = ( } > ) return (

{ // ⌘F focuses the toolbar search while focus is inside the component. if ((event.metaKey || event.ctrlKey) && event.key === "f") { event.preventDefault() setIsSearchExpanded(true) searchInputRef.current?.focus() } }} className={cn( "flex h-[480px] min-h-0 flex-col overflow-hidden rounded-xl border bg-background text-foreground outline-none", className )} >

{headerLayout !== "minimal" ? ( {currentFolderName} ) : null}

{headerLayout !== "full" || isBelowIpadWidth ? ( ) : ( setView(value as FileSystemView)} className="gap-0" > {VIEW_OPTIONS.map((option) => ( ))} )}

{hasActiveFilters ? (

{filters.map((filter) => { const dateFilterType = filter.type === "fileType" ? null : filter.type return ( openDateRangeDialog(dateFilterType) : undefined } onOperatorChange={(operator) => setFilters((previous) => previous.map((entry) => entry.id === filter.id ? { ...entry, operator } : entry ) ) } onRemove={() => setFilters((previous) => previous.filter((entry) => entry.id !== filter.id) ) } onSelectDatePreset={(preset) => setFilters((previous) => previous.map((entry) => entry.id === filter.id ? { ...entry, operator: entry.operator === "before" || entry.operator === "after" ? entry.operator : "after", value: [preset], } : entry ) ) } onToggleFileType={toggleFileTypeFilterValue} /> ) })}

) : null}

{isLoadingCurrentFolder && currentEntries.length === 0 ? ( ) : currentEntries.length === 0 && (view !== "columns" || isSearching || hasActiveFilters) ? ( ) : view === "icons" ? ( ) : view === "list" ? ( ) : view === "columns" ? ( ) : ( )}

{currentEntries.length}{" "} {isSearching ? currentEntries.length === 1 ? "result" : "results" : currentEntries.length === 1 ? "item" : "items"} {selectedEntry ? · “{selectedEntry.name}” selected : null}