fix(Menu): while props.data is [], data[0] get error (#2079)

fix(Menu): while props.data is [], data[0] get error
ant-design · Nov 16, 2017 · 15b2521 · 15b2521
1 parent 3f1d7db
commit 15b2521
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/components/menu/index.tsx b/components/menu/index.tsx
@@ -77,7 +77,7 @@ export default class Menu extends React.Component<MenuProps, StateType> {
     let firstValue = '';
     if (value && value.length) {  // if has init path, chose init first value
       firstValue = value[0] as string; // this is a contract
-    } else if (data && !data[0].isLeaf) {  // chose the first menu item if it's not leaf.
+    } else if (data && data.length && !data[0].isLeaf) {  // chose the first menu item if it's not leaf.
       firstValue = data[0].value;
     }