Row.js

import React, {PureComponent} from 'react'
import PropTypes from 'prop-types'

import CellShape from './CellShape'

class Row extends PureComponent {
  render () {
    return (
      <tr>
        {this.props.children}
      </tr>
    )
  }
}

Row.propTypes = {
  row: PropTypes.number.isRequired,
  cells: PropTypes.arrayOf(PropTypes.shape(CellShape)).isRequired
}

export default Row