team.js

const TeamForm = ({ handleSubmit, i18n, array }) => (
  <form onSubmit={handleSubmit}>
  { /* Other form inputs */ }
    <Field name="persons" component={renderRows(i18n)} array={array} />
  { /* Other form inputs */ }
  </form>
);
    

const renderPersons = i18n => props => {
  let {
    input: {
      value: rows
    },  
    array
  } = props;
  let change = (idx, property) => ev => {
    array.splice('rows', idx, 1, {
      ...rows[idx],
      [property]: ev.target.value
    }); 
  };  
  return (
    <Table responsive className="input-table">
      <thead>
        <tr>
          <th>#</th>
          <th className="fill">{ i18n.gettext('Name') }</th>
          <th>{ i18n.gettext('Year of birth') }</th>
          <th>{ i18n.gettext('E-mail') }</th>
          <th>&nbsp;</th>
        </tr>
      </thead>
      <tbody>
        { rows.map((row, idx) => (
          <tr key={idx}>
            <td>{idx + 1}</td>
            <td><input style={{minWidth: '8em'}} type="text" value={row.name} onChange={change(idx, 'name')} /></td>
            <td><input type="number" value={row.birth_year} onChange={change(idx, 'birth_year')} /></td>
            <td><input type="email" value={row.email} onChange={change(idx, 'email')} /></td>
            <td>
              <Button onClick={() => array.swap('rows', idx - 1, idx)} disabled={!idx} bsStyle="link" bsSize="xsmall"><Icon name="arrow-up" /></Button>
              <Button onClick={() => array.swap('rows', idx + 1, idx)} disabled={idx === rows.length - 1} bsStyle="link" bsSize="xsmall"><Icon name="arrow-down" /></Button>
              <Button onClick={() => array.splice('rows', idx, 1)} bsStyle="link" bsSize="xsmall"><Icon name="trash" /></Button>
            </td>
          </tr>
        )) }
      </tbody>
      <tfoot>
        <tr>
          <td colSpan={7}>
            <Button onClick={() => array.push('rows', {name: '', birth_year: '', email: ''})}><Icon name="plus" /> { i18n.gettext('New row') }</Button>
          </td>
        </tr>
      </tfoot>
    </Table>
  );  
};