Function App

examples/react/custom-features/src/main.tsx:124–338

()

//app code
function App() {
  const columns = React.useMemo<ColumnDef<Person>[]>(
    () => [
      {
        accessorKey: 'firstName',
        cell: (info) => info.getValue(),
        footer: (props) => props.column.id,
      },
      {
        accessorFn: (row) => row.lastName,
        id: 'lastName',
        cell: (info) => info.getValue(),
        header: () => <span>Last Name</span>,
        footer: (props) => props.column.id,
      },
      {
        accessorKey: 'age',
        header: () => 'Age',
        footer: (props) => props.column.id,
      },
      {
        accessorKey: 'visits',
        header: () => <span>Visits</span>,
        footer: (props) => props.column.id,
      },
      {
        accessorKey: 'status',
        header: 'Status',
        footer: (props) => props.column.id,
      },
      {
        accessorKey: 'progress',
        header: 'Profile Progress',
        footer: (props) => props.column.id,
      },
    ],
    [],
  )

  const [data, _setData] = React.useState(() => makeData(1000))
  const [density, setDensity] = React.useState<DensityState>('md')

  const table = useReactTable({
    _features: [DensityFeature], //pass our custom feature to the table to be instantiated upon creation
    columns,
    data,
    debugTable: true,
    getCoreRowModel: getCoreRowModel(),
    getSortedRowModel: getSortedRowModel(),
    getFilteredRowModel: getFilteredRowModel(),
    getPaginationRowModel: getPaginationRowModel(),
    state: {
      density, //passing the density state to the table, TS is still happy :)
    },
    onDensityChange: setDensity, //using the new onDensityChange option, TS is still happy :)
  })

  return (