Function getExpandedRowModel

packages/table-core/src/utils/getExpandedRowModel.ts:4–31

()

import { getMemoOptions, memo } from '../utils'

export function getExpandedRowModel<TData extends RowData>(): (
  table: Table<TData>,
) => () => RowModel<TData> {
  return (table) =>
    memo(
      () => [
        table.getState().expanded,
        table.getPreExpandedRowModel(),
        table.options.paginateExpandedRows,
      ],
      (expanded, rowModel, paginateExpandedRows) => {
        if (
          !rowModel.rows.length ||
          (expanded !== true && !Object.keys(expanded ?? {}).length)
        ) {
          return rowModel
        }

        if (!paginateExpandedRows) {
          // Only expand rows at this point if they are being paginated
          return rowModel
        }

        return expandRows(rowModel)
      },
      getMemoOptions(table.options, 'debugTable', 'getExpandedRowModel'),
    )
}

export function expandRows<TData extends RowData>(rowModel: RowModel<TData>) {
  const expandedRows: Row<TData>[] = []