sono finite le banane

src/TopBar.js

@@ -16,12 +16,12 @@ class TopBar extends Component {
 	state = {
 		query: ''
 	};
-	handleChange(event) {
+	handleChange = event => {
 		this.setState({
 			query: event.target.value
 		});
 	}
-	handleSubmit(event) {
+	handleSubmit = event => {
 		event.preventDefault();
 		event.target.reset();
 		this.props.history.push('/search/' + this.state.query);