add key to react components

2019-05-28 01:28:14 +02:00
parent d3f8810c7c
commit 64ed758593
2 changed files with 12 additions and 2 deletions
--- a/client/src/App.js
+++ b/client/src/App.js
@@ -13,7 +13,11 @@ class App extends Component {
                <Switch>
                    {
                        mainMenuItems.map(mainMenuItem =>
-                            <Route exact path={mainMenuItem.url} component={mainMenuItem.component} />)
+                            <Route key={mainMenuItem.id}
+                                   exact
+                                   path={mainMenuItem.url}
+                                   component={mainMenuItem.component}
+                            />)
                    }
                    <Route component={NotFound} />
                </Switch>