src/components/widgets/Form/fields/index.js

import StandardField from './StandardField/StandardField';
import FilterButtonsField from './FilterButtonsField/FilterButtonsField';
import TextField from './TextField/TextField';
import RangeField from './RangeField/RangeField';

export default {
  StandardField: StandardField,
  FilterButtonsField: FilterButtonsField,
  TextField: TextField,
  RangeField: RangeField,
};