Export

import { useExport } from "@refinedev/core";
import {
  List,
  ExportButton,
} from "@refinedev/chakra-ui";
import {
  TableContainer,
  Table,
  Thead,
  Tr,
  Th,
  Tbody,
  Td,
} from "@chakra-ui/react";
import { useTable } from "@refinedev/react-table";
import { ColumnDef, flexRender } from "@tanstack/react-table";

const PostList: React.FC = () => {
  const columns = React.useMemo<ColumnDef<IPost>[]>(
    () => [
      {
        id: "id",
        header: "ID",
        accessorKey: "id",
      },
      {
        id: "title",
        header: "Title",
        accessorKey: "title",
      },
    ],
    [],
  );

  const {
    getHeaderGroups,
    getRowModel,
    refineCore: { setCurrent, pageCount, current },
  } = useTable({
    columns,
  });

  const { triggerExport, isLoading: exportLoading } = useExport<IPost>({
    mapData: (item) => {
      return {
        id: item.id,
        post_title: item.title,
      };
    },
    pageSize: 10,
    maxItemCount: 50,
  });

  return (
    <List
      headerButtons={
        <ExportButton loading={exportLoading} onClick={triggerExport} />
      }
    >
      <TableContainer>
        <Table variant="simple" whiteSpace="pre-line">
          <Thead>
            {getHeaderGroups().map((headerGroup) => (
              <Tr key={headerGroup.id}>
                {headerGroup.headers.map((header) => {
                  return (
                    <Th key={header.id}>
                      {!header.isPlaceholder &&
                        flexRender(
                          header.column.columnDef.header,
                          header.getContext(),
                        )}
                    </Th>
                  );
                })}
              </Tr>
            ))}
          </Thead>
          <Tbody>
            {getRowModel().rows.map((row) => {
              return (
                <Tr key={row.id}>
                  {row.getVisibleCells().map((cell) => {
                    return (
                      <Td key={cell.id}>
                        {flexRender(
                          cell.column.columnDef.cell,
                          cell.getContext(),
                        )}
                      </Td>
                    );
                  })}
                </Tr>
              );
            })}
          </Tbody>
        </Table>
      </TableContainer>
    </List>
  );
};

interface IPost {
  id: number;
  title: string;
}