fix eslint error

dai-shi · Sep 27, 2019 · dc47dd2 · dc47dd2
1 parent 05e2afc
commit dc47dd2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/examples/02_typescript/src/index.ts b/examples/02_typescript/src/index.ts
@@ -7,4 +7,6 @@ import {
 
 import App from './App';
 
-createRoot(document.getElementById('app')).render(React.createElement(App));
+const ele = document.getElementById('app');
+if (!ele) throw new Error('no app');
+createRoot(ele).render(React.createElement(App));