To avoid the babel "'this' is not allowed before super()" error (#238)

dorfsmay · danez · commit 4e5b482b0dba · 2018-04-04T15:09:08.000+02:00
diff --git a/README.md b/README.md
@@ -260,6 +260,7 @@ This mode also enforces you to set a handler for `onSelect`. `defaultIndex` does
 ```js
 class App extends Component {
   constructor() {
+    super();
     this.state = { tabIndex: 0 };
   }
   render() {

Original file line number	Diff line number	Diff line change
@@ -260,6 +260,7 @@ This mode also enforces you to set a handler for `onSelect`. `defaultIndex` does
`260`	`260`	```js
`261`	`261`	`class App extends Component {`
`262`	`262`	`constructor() {`
	`263`	`+ super();`
`263`	`264`	`this.state = { tabIndex: 0 };`
`264`	`265`	`}`
`265`	`266`	`render() {`