use fixed state data type.

2019-04-07 21:58:06 +09:00
parent 939530f89f
commit d113b92abc
1 changed files with 10 additions and 8 deletions
@@ -9,10 +9,10 @@ import treeJson from '../assets/tree.json';
 interface IProps extends RouteComponentProps<{}, StaticContext, any> { }

 interface IState {
-    expandableKeys?: string[];
-    treeElement?: JSX.Element[];
-    expandedKeys?: string[];
-    selectedKeys?: string[];
+    expandableKeys: string[];
+    treeElement: JSX.Element[];
+    expandedKeys: string[];
+    selectedKeys: string[];
 }

 interface ITreeJson {
@@ -81,10 +81,12 @@ class IndexTreeBlock extends Component<IProps, IState> {
            });
        };
        const data: ITreeJson[] = treeJson;
-        const treeData: JSX.Element[] = loop(data);
-        this.setState({ treeElement: treeData });
-        this.setState({ expandedKeys: expandedKeys });
-        this.setState({ expandableKeys: expandedKeys });
+        const treeElement: JSX.Element[] = loop(data);
+        this.setState({
+            treeElement,
+            expandedKeys,
+            expandableKeys: expandedKeys
+        });
    }

    render() {