@mui/x-data-grid/hooks/features/rowSelection/utils.js

The Community plan edition of the Data Grid components (MUI X).

import { GridSignature } from '../../utils/useGridApiEventHandler';
export function isMultipleRowSelectionEnabled(props) {
  if (props.signature === GridSignature.DataGrid) {
    // DataGrid Community has multiple row selection enabled only if checkbox selection is enabled.
    return props.checkboxSelection && props.disableMultipleRowSelection !== true;
  }
  return !props.disableMultipleRowSelection;
}