@tanstack/table-core/build/lib/utils/getPaginationRowModel.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');
var getExpandedRowModel = require('./getExpandedRowModel.js');

function getPaginationRowModel(opts) {
  return table => utils.memo(() => [table.getState().pagination, table.getPrePaginationRowModel(), table.options.paginateExpandedRows ? undefined : table.getState().expanded], (pagination, rowModel) => {
    if (!rowModel.rows.length) {
      return rowModel;
    }
    const {
      pageSize,
      pageIndex
    } = pagination;
    let {
      rows,
      flatRows,
      rowsById
    } = rowModel;
    const pageStart = pageSize * pageIndex;
    const pageEnd = pageStart + pageSize;
    rows = rows.slice(pageStart, pageEnd);
    let paginatedRowModel;
    if (!table.options.paginateExpandedRows) {
      paginatedRowModel = getExpandedRowModel.expandRows({
        rows,
        flatRows,
        rowsById
      });
    } else {
      paginatedRowModel = {
        rows,
        flatRows,
        rowsById
      };
    }
    paginatedRowModel.flatRows = [];
    const handleRow = row => {
      paginatedRowModel.flatRows.push(row);
      if (row.subRows.length) {
        row.subRows.forEach(handleRow);
      }
    };
    paginatedRowModel.rows.forEach(handleRow);
    return paginatedRowModel;
  }, utils.getMemoOptions(table.options, 'debugTable', 'getPaginationRowModel'));
}

exports.getPaginationRowModel = getPaginationRowModel;
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