feat(3.0): remove named exports on widgets

src/components/ClearRefinements/ClearRefinements.js

@@ -4,7 +4,7 @@ import cx from 'classnames';
 
 import Template from '../Template.js';
 
-export class ClearRefinements extends Component {
+class ClearRefinements extends Component {
   render() {
     const { hasRefinements, cssClasses } = this.props;
     const data = { hasRefinements };

src/components/Pagination/Pagination.js

@@ -6,7 +6,7 @@ import cx from 'classnames';
 import PaginationLink from './PaginationLink.js';
 import { isSpecialClick } from '../../lib/utils.js';
 
-export class Pagination extends Component {
+class Pagination extends Component {
   constructor(props) {
     super(defaultsDeep(props, Pagination.defaultProps));
     this.handleClick = this.handleClick.bind(this);

src/components/RangeInput/RangeInput.js

@@ -2,7 +2,7 @@ import React, { Component } from 'preact-compat';
 import PropTypes from 'prop-types';
 import cx from 'classnames';
 
-export class RangeInput extends Component {
+class RangeInput extends Component {
   constructor(props) {
     super(props);
 

src/components/Selector.js

@@ -2,7 +2,7 @@ import PropTypes from 'prop-types';
 import React, { Component } from 'preact-compat';
 import cx from 'classnames';
 
-export class Selector extends Component {
+class Selector extends Component {
   componentWillMount() {
     this.handleChange = this.handleChange.bind(this);
   }

src/components/Stats/Stats.js

@@ -3,7 +3,7 @@ import React, { Component } from 'preact-compat';
 
 import Template from '../Template.js';
 
-export class Stats extends Component {
+class Stats extends Component {
   render() {
     const data = {
       hasManyResults: this.props.nbHits > 1,