Solid Example: Column Groups

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import { For, createSignal } from 'solid-js'
import { createTable, flexRender, tableFeatures } from '@tanstack/solid-table'
import type { ColumnDef } from '@tanstack/solid-table'

type Person = {
  firstName: string
  lastName: string
  age: number
  visits: number
  status: string
  progress: number
}

const defaultData: Array<Person> = [
  {
    firstName: 'tanner',
    lastName: 'linsley',
    age: 24,
    visits: 100,
    status: 'In Relationship',
    progress: 50,
  },
  {
    firstName: 'tandy',
    lastName: 'miller',
    age: 40,
    visits: 40,
    status: 'Single',
    progress: 80,
  },
  {
    firstName: 'joe',
    lastName: 'dirte',
    age: 45,
    visits: 20,
    status: 'Complicated',
    progress: 10,
  },
]

const _features = tableFeatures({})

const defaultColumns: Array<ColumnDef<typeof _features, Person>> = [
  {
    header: 'Name',
    footer: (props) => props.column.id,
    columns: [
      {
        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,
      },
    ],
  },
  {
    header: 'Info',
    footer: (props) => props.column.id,
    columns: [
      {
        accessorKey: 'age',
        header: () => 'Age',
        footer: (props) => props.column.id,
      },
      {
        header: 'More Info',
        columns: [
          {
            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,
          },
        ],
      },
    ],
  },
]

function App() {
  const [data, setData] = createSignal(defaultData)
  const rerender = () => setData(defaultData)

  const table = createTable({
    _features,
    get data() {
      return data()
    },
    columns: defaultColumns,
  })

  return (
    <div class="p-2">
      <table>
        <thead>
          <For each={table.getHeaderGroups()}>
            {(headerGroup) => (
              <tr>
                <For each={headerGroup.headers}>
                  {(header) => (
                    <th colSpan={header.colSpan}>
                      {header.isPlaceholder
                        ? null
                        : flexRender(
                            header.column.columnDef.header,
                            header.getContext(),
                          )}
                    </th>
                  )}
                </For>
              </tr>
            )}
          </For>
        </thead>
        <tbody>
          <For each={table.getRowModel().rows}>
            {(row) => (
              <tr>
                <For each={row.getAllCells()}>
                  {(cell) => (
                    <td>
                      {flexRender(
                        cell.column.columnDef.cell,
                        cell.getContext(),
                      )}
                    </td>
                  )}
                </For>
              </tr>
            )}
          </For>
        </tbody>
        <tfoot>
          <For each={table.getFooterGroups()}>
            {(footerGroup) => (
              <tr>
                <For each={footerGroup.headers}>
                  {(header) => (
                    <th colSpan={header.colSpan}>
                      {header.isPlaceholder
                        ? null
                        : flexRender(
                            header.column.columnDef.footer,
                            header.getContext(),
                          )}
                    </th>
                  )}
                </For>
              </tr>
            )}
          </For>
        </tfoot>
      </table>
      <div class="h-4" />
      <button onClick={() => rerender()} class="border p-2">
        Rerender
      </button>
    </div>
  )
}

export default App