feat(frontend): slice 7a — DataTable wrapper + FileBrowser (TanStack Table)
Web UI rework. Highest-risk slice, part 1 of 2: - New components/ui/data-table.tsx: generic TanStack Table wrapper on the shadcn Table primitive. Controlled rowSelection/columnVisibility/ pagination, optional selection column (stopPropagation on cell click), row-click, column-visibility dropdown, manual-pagination support. Hard rule honored: NO getSortedRowModel, NO column resizing/sizing. - Migrate pages/FileBrowser.impl.tsx off @mui/x-data-grid + @mui/material onto DataTable: 5 columns (type/name/ext/size/modified), row-click -> ffprobe preview preserved, column-visibility toggle, no pagination. - DataTable + FileBrowser component tests (RED->GREEN). Gate: build + lint + test green (22 files / 58 tests).
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Developer
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"use client";
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import * as React from "react";
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import {
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type ColumnDef,
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type OnChangeFn,
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type PaginationState,
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type RowSelectionState,
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type Table as TableInstance,
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type VisibilityState,
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flexRender,
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getCoreRowModel,
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getPaginationRowModel,
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useReactTable,
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} from "@tanstack/react-table";
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import { Columns3 } from "lucide-react";
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import { cn } from "@/lib/utils";
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import { Button } from "@/components/ui/button";
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import { Checkbox } from "@/components/ui/checkbox";
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import {
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Table,
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TableBody,
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TableCell,
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TableHead,
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TableHeader,
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TableRow,
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} from "@/components/ui/table";
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import {
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DropdownMenu,
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DropdownMenuCheckboxItem,
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DropdownMenuContent,
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DropdownMenuLabel,
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DropdownMenuSeparator,
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DropdownMenuTrigger,
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} from "@/components/ui/dropdown-menu";
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import {
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Select,
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SelectContent,
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SelectItem,
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SelectTrigger,
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SelectValue,
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} from "@/components/ui/select";
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export interface DataTableProps<TData, TValue = unknown> {
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columns: ColumnDef<TData, TValue>[];
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data: TData[];
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/** Stable row identity; Media derives it from `path` so selection survives paging. */
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getRowId?: (row: TData, index: number) => string;
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/** Visibility-only feature set (no sorting, no resizing — locked, design §3.3). */
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enableRowSelection?: boolean;
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rowSelection?: RowSelectionState;
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onRowSelectionChange?: OnChangeFn<RowSelectionState>;
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onRowClick?: (row: TData) => void;
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columnVisibility?: VisibilityState;
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onColumnVisibilityChange?: OnChangeFn<VisibilityState>;
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enableColumnVisibilityToggle?: boolean;
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/** Pagination (Media only; FileBrowser does not paginate). */
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enablePagination?: boolean;
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manualPagination?: boolean;
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pagination?: PaginationState;
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onPaginationChange?: OnChangeFn<PaginationState>;
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pageSizeOptions?: number[];
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/** Server total for Media (manual pagination). */
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rowCount?: number;
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emptyMessage?: string;
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}
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/**
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* Reusable TanStack Table wrapper built on the shadcn `Table` primitive.
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*
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* Visibility-only feature scope (locked, design §3): pagination, row selection,
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* row click, column visibility. A sorting row model is deliberately never
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* wired and column resizing/sizing is never enabled — both are explicit
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* non-goals.
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*/
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export function DataTable<TData, TValue = unknown>({
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columns,
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data,
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getRowId,
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enableRowSelection = false,
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rowSelection,
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onRowSelectionChange,
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onRowClick,
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columnVisibility,
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onColumnVisibilityChange,
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enableColumnVisibilityToggle = false,
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enablePagination = false,
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manualPagination = false,
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pagination,
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onPaginationChange,
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pageSizeOptions = [10, 20, 30, 50],
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rowCount,
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emptyMessage = "No results.",
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}: DataTableProps<TData, TValue>) {
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const pageSize = pagination?.pageSize ?? pageSizeOptions[0] ?? 10;
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// Selection column is a *display* column (no accessor); only rendered when
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// the consumer opts in. Its checkbox handlers stopPropagation so toggling a
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// row never also fires onRowClick navigation.
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const tableColumns = React.useMemo<ColumnDef<TData, TValue>[]>(() => {
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if (!enableRowSelection) return columns;
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const selectColumn: ColumnDef<TData, TValue> = {
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id: "__select__",
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enableSorting: false,
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header: ({ table }) => (
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<Checkbox
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aria-label="Select all rows on this page"
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checked={
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table.getIsAllPageRowsSelected()
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? true
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: table.getIsSomePageRowsSelected()
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? "indeterminate"
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: false
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}
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onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
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onClick={(e) => e.stopPropagation()}
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/>
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),
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cell: ({ row }) => (
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<Checkbox
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aria-label="Select row"
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checked={row.getIsSelected()}
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onCheckedChange={(value) => row.toggleSelected(!!value)}
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onClick={(e) => e.stopPropagation()}
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/>
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),
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enableHiding: false,
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};
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return [selectColumn as ColumnDef<TData, TValue>, ...columns];
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}, [columns, enableRowSelection]);
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/* eslint-disable react-hooks/incompatible-library -- TanStack's
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useReactTable intentionally returns non-memoizable updater fns (controlled state). */
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const table = useReactTable<TData>({
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data,
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columns: tableColumns,
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getRowId,
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enableRowSelection,
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onRowSelectionChange,
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onColumnVisibilityChange,
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manualPagination: enablePagination ? manualPagination : false,
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rowCount: enablePagination && manualPagination ? rowCount : undefined,
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getCoreRowModel: getCoreRowModel(),
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// Client pagination model ONLY when paginating locally (FileBrowser does
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// not paginate; Media drives the page from the server via limit/offset).
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getPaginationRowModel:
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enablePagination && !manualPagination
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? getPaginationRowModel()
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: undefined,
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state: {
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...(rowSelection !== undefined ? { rowSelection } : {}),
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...(columnVisibility !== undefined ? { columnVisibility } : {}),
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...(enablePagination
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? { pagination: pagination ?? { pageIndex: 0, pageSize } }
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: {}),
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},
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onPaginationChange,
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// Visibility-only: deliberately NO sorting model / sorting state.
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});
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const pageCount =
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enablePagination && rowCount !== undefined && pageSize > 0
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? Math.max(1, Math.ceil(rowCount / pageSize))
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: table.getPageCount();
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return (
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<div className="flex flex-col gap-3">
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<div className="flex items-center justify-end gap-2">
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{enableColumnVisibilityToggle && (
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<DropdownMenu>
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<DropdownMenuTrigger asChild>
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<Button variant="outline" size="sm">
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<Columns3 className="size-4" />
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Columns
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</Button>
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</DropdownMenuTrigger>
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<DropdownMenuContent align="end">
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<DropdownMenuLabel>Toggle columns</DropdownMenuLabel>
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<DropdownMenuSeparator />
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{table
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.getAllColumns()
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.filter((column) => column.getCanHide())
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.map((column) => {
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return (
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<DropdownMenuCheckboxItem
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key={column.id}
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className="capitalize"
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checked={column.getIsVisible()}
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onCheckedChange={(value) =>
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column.toggleVisibility(!!value)
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}
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onSelect={(e) => e.preventDefault()}
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>
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{column.id}
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</DropdownMenuCheckboxItem>
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);
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})}
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</DropdownMenuContent>
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</DropdownMenu>
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)}
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</div>
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<div className="overflow-hidden rounded-lg border">
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<Table>
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<TableHeader>
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{table.getHeaderGroups().map((headerGroup) => (
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<TableRow key={headerGroup.id} className="hover:bg-transparent">
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{headerGroup.headers.map((header) => (
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<TableHead key={header.id}>
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{header.isPlaceholder
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? null
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: flexRender(
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header.column.columnDef.header,
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header.getContext(),
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)}
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</TableHead>
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))}
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</TableRow>
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))}
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</TableHeader>
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<TableBody>
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{table.getRowModel().rows.length ? (
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table.getRowModel().rows.map((row) => (
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<TableRow
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key={row.id}
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data-state={row.getIsSelected() ? "selected" : undefined}
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className={cn(onRowClick && "cursor-pointer")}
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onClick={() => onRowClick?.(row.original)}
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>
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{row.getVisibleCells().map((cell) => (
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<TableCell key={cell.id}>
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{flexRender(
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cell.column.columnDef.cell,
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cell.getContext(),
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)}
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</TableCell>
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))}
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</TableRow>
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))
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) : (
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<TableRow className="hover:bg-transparent">
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<TableCell
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colSpan={tableColumns.length}
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className="h-24 text-center text-muted-foreground"
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>
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{emptyMessage}
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</TableCell>
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</TableRow>
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)}
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</TableBody>
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</Table>
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</div>
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{enablePagination && (
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<DataTablePagination
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table={table}
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pageSizeOptions={pageSizeOptions}
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pageCount={pageCount}
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manual={manualPagination}
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rowCount={rowCount}
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/>
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)}
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</div>
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);
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}
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interface PaginationProps<TData> {
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table: TableInstance<TData>;
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pageSizeOptions: number[];
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pageCount: number;
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manual: boolean;
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rowCount?: number;
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}
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function DataTablePagination<TData>({
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table,
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pageSizeOptions,
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pageCount,
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manual,
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rowCount,
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}: PaginationProps<TData>) {
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const pageIndex = table.getState().pagination.pageIndex;
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const pageSize = table.getState().pagination.pageSize;
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const visibleRows = table.getRowModel().rows.length;
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const totalRows = manual ? (rowCount ?? 0) : visibleRows;
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return (
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<div className="flex flex-wrap items-center justify-between gap-3 text-sm">
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<div className="text-muted-foreground">
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{`${totalRows} row${totalRows === 1 ? "" : "s"}`}
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</div>
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<div className="flex items-center gap-3">
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<div className="flex items-center gap-1.5">
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<span className="text-muted-foreground">Rows per page</span>
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<Select
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value={String(pageSize)}
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onValueChange={(value) => table.setPageSize(Number(value))}
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>
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<SelectTrigger
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size="sm"
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className="w-[70px]"
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aria-label="Rows per page"
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>
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<SelectValue />
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</SelectTrigger>
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<SelectContent>
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{pageSizeOptions.map((option) => (
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<SelectItem key={option} value={String(option)}>
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{option}
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</SelectItem>
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))}
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</SelectContent>
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</Select>
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</div>
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<span className="text-muted-foreground">
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Page {pageIndex + 1} of {pageCount}
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</span>
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<div className="flex items-center gap-1">
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<Button
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variant="outline"
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size="sm"
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onClick={() => table.previousPage()}
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disabled={!table.getCanPreviousPage()}
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aria-label="Previous page"
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>
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Previous
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</Button>
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<Button
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variant="outline"
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size="sm"
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onClick={() => table.nextPage()}
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disabled={!table.getCanNextPage()}
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aria-label="Next page"
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>
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Next
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</Button>
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</div>
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</div>
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</div>
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);
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}
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