lazy-loading-expandable-2-recursively-update-table-data-recursive-case.js

return existingRows.map((row, index) => {
  const isMatchedRowWithSubRows = index === Number(id) && row.subRows;

  if (isMatchedRowWithSubRows) {
    const [, ...updatedPath] = path;

    return {
      ...row,
      subRows: insertIntoTable({
        existingRows: row.subRows,
        subRowsToInsert,
        path: updatedPath
      })
    }
  }

  return row;
});