Dynamic Columns (Remote) Example
This example shows how to generate column definitions dynamically from remote data after first render using TanStack Query. You may need to manage the columnOrder
state manually if doing this.
10
1import { useEffect, useMemo, useState } from 'react';2import {3 MaterialReactTable,4 useMaterialReactTable,5 type MRT_ColumnDef,6 type MRT_ColumnFiltersState,7 type MRT_PaginationState,8 type MRT_SortingState,9 type MRT_ColumnOrderState,10} from 'material-react-table';11import { IconButton, Tooltip } from '@mui/material';12import RefreshIcon from '@mui/icons-material/Refresh';13import {14 QueryClient,15 QueryClientProvider,16 keepPreviousData,17 useQuery,18} from '@tanstack/react-query'; //note: this is TanStack React Query V51920//Your API response shape will probably be different. Knowing a total row count is important though.21type UserApiResponse = {22 data: Array<User>;23 meta: {24 totalRowCount: number;25 };26};2728type User = {29 firstName: string;30 lastName: string;31 address: string;32 state: string;33 phoneNumber: string;34 lastLogin: Date;35};3637const columnNames = {38 firstName: 'First Name',39 lastName: 'Last Name',40 address: 'Address',41 state: 'State',42 phoneNumber: 'Phone Number',43 lastLogin: 'Last Login',44} as const;4546const Example = () => {47 //manage our own state for stuff we want to pass to the API48 const [columnFilters, setColumnFilters] = useState<MRT_ColumnFiltersState>(49 [],50 );51 const [globalFilter, setGlobalFilter] = useState('');52 const [sorting, setSorting] = useState<MRT_SortingState>([]);53 const [pagination, setPagination] = useState<MRT_PaginationState>({54 pageIndex: 0,55 pageSize: 10,56 });5758 //if using dynamic columns that are loaded after table instance creation, we will need to manage the column order state ourselves59 const [columnOrder, setColumnOrder] = useState<MRT_ColumnOrderState>([]);6061 //consider storing this code in a custom hook (i.e useFetchUsers)62 const {63 data: { data = [], meta } = {}, //your data and api response will probably be different64 isError,65 isRefetching,66 isLoading,67 refetch,68 } = useQuery<UserApiResponse>({69 queryKey: [70 'table-data',71 columnFilters, //refetch when columnFilters changes72 globalFilter, //refetch when globalFilter changes73 pagination.pageIndex, //refetch when pagination.pageIndex changes74 pagination.pageSize, //refetch when pagination.pageSize changes75 sorting, //refetch when sorting changes76 ],77 queryFn: async () => {78 await new Promise((resolve) => setTimeout(resolve, 1000)); //simulate network delay79 const fetchURL = new URL(80 '/api/data',81 process.env.NODE_ENV === 'production'82 ? 'https://www.material-react-table.com'83 : 'http://localhost:3000',84 );8586 //read our state and pass it to the API as query params87 fetchURL.searchParams.set(88 'start',89 `${pagination.pageIndex * pagination.pageSize}`,90 );91 fetchURL.searchParams.set('size', `${pagination.pageSize}`);92 fetchURL.searchParams.set('filters', JSON.stringify(columnFilters ?? []));93 fetchURL.searchParams.set('globalFilter', globalFilter ?? '');94 fetchURL.searchParams.set('sorting', JSON.stringify(sorting ?? []));9596 //use whatever fetch library you want, fetch, axios, etc97 const response = await fetch(fetchURL.href);98 const json = (await response.json()) as UserApiResponse;99 return json;100 },101 placeholderData: keepPreviousData, //don't go to 0 rows when refetching or paginating to next page102 });103104 //create columns from data105 const columns = useMemo<MRT_ColumnDef<User>[]>(106 () =>107 data.length108 ? Object.keys(data[0]).map((columnId) => ({109 header: columnNames[columnId as keyof User] ?? columnId,110 accessorKey: columnId,111 id: columnId,112 }))113 : [],114 [data],115 );116117 useEffect(() => {118 //if using dynamic columns that are loaded after table instance creation, we will need to set the column order state ourselves119 setColumnOrder(columns.map((column) => column.id!));120 }, [columns]);121122 const table = useMaterialReactTable({123 columns,124 data,125 initialState: { showColumnFilters: true },126 manualFiltering: true, //turn off built-in client-side filtering127 manualPagination: true, //turn off built-in client-side pagination128 manualSorting: true, //turn off built-in client-side sorting129 //give loading spinner somewhere to go while loading130 muiTableBodyProps: {131 children: isLoading ? (132 <tr style={{ height: '200px' }}>133 <td />134 </tr>135 ) : undefined,136 },137 muiToolbarAlertBannerProps: isError138 ? {139 color: 'error',140 children: 'Error loading data',141 }142 : undefined,143 onColumnFiltersChange: setColumnFilters,144 onColumnOrderChange: setColumnOrder,145 onGlobalFilterChange: setGlobalFilter,146 onPaginationChange: setPagination,147 onSortingChange: setSorting,148 renderTopToolbarCustomActions: () => (149 <Tooltip arrow title="Refresh Data">150 <IconButton onClick={() => refetch()}>151 <RefreshIcon />152 </IconButton>153 </Tooltip>154 ),155 rowCount: meta?.totalRowCount ?? 0,156 state: {157 columnFilters,158 columnOrder,159 globalFilter,160 isLoading,161 pagination,162 showAlertBanner: isError,163 showProgressBars: isRefetching,164 sorting,165 },166 });167168 return <MaterialReactTable table={table} />;169};170171const queryClient = new QueryClient();172173const ExampleWithReactQueryProvider = () => (174 //App.tsx or AppProviders file. Don't just wrap this component with QueryClientProvider! Wrap your whole App!175 <QueryClientProvider client={queryClient}>176 <Example />177 </QueryClientProvider>178);179180export default ExampleWithReactQueryProvider;181
View Extra Storybook Examples