fix(tab-set): initial tab render when no selection is passed

akveo · Oct 23, 2018 · be58950 · be58950
1 parent b085302
commit be58950
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/components/tabset/rkTabView.component.js b/src/components/tabset/rkTabView.component.js
@@ -46,7 +46,8 @@ export class RkTabView extends React.Component {
     super(props);
     this.tabViews = props.children;
     this.tabContentViews = React.Children.map(this.tabViews, child => child.props.children);
-    this.state.selectedIndex = this.tabViews.findIndex(child => child.props.isSelected);
+    const derivedSelectedIndex = this.tabViews.findIndex(child => child.props.isSelected);
+    this.state.selectedIndex = derivedSelectedIndex < 0 ? 0 : derivedSelectedIndex;
   }
 
   componentDidMount() {