@tanstack/table-core/build/lib/utils/getExpandedRowModel.js

Headless UI for building powerful tables & datagrids for TS/JS.

/**
   * table-core
   *
   * Copyright (c) TanStack
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE.md file in the root directory of this source tree.
   *
   * @license MIT
   */
'use strict';

var utils = require('../utils.js');

function getExpandedRowModel() {
  return table => utils.memo(() => [table.getState().expanded, table.getPreExpandedRowModel(), table.options.paginateExpandedRows], (expanded, rowModel, paginateExpandedRows) => {
    if (!rowModel.rows.length || expanded !== true && !Object.keys(expanded != null ? expanded : {}).length) {
      return rowModel;
    }
    if (!paginateExpandedRows) {
      // Only expand rows at this point if they are being paginated
      return rowModel;
    }
    return expandRows(rowModel);
  }, utils.getMemoOptions(table.options, 'debugTable', 'getExpandedRowModel'));
}
function expandRows(rowModel) {
  const expandedRows = [];
  const handleRow = row => {
    var _row$subRows;
    expandedRows.push(row);
    if ((_row$subRows = row.subRows) != null && _row$subRows.length && row.getIsExpanded()) {
      row.subRows.forEach(handleRow);
    }
  };
  rowModel.rows.forEach(handleRow);
  return {
    rows: expandedRows,
    flatRows: rowModel.flatRows,
    rowsById: rowModel.rowsById
  };
}

exports.expandRows = expandRows;
exports.getExpandedRowModel = getExpandedRowModel;
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