From 9bae3e51d96ee3fc2c9652a373df155421228609 Mon Sep 17 00:00:00 2001
From: Fabio Berger <me@fabioberger.com>
Date: Tue, 16 Oct 2018 17:09:17 +0100
Subject: chore: initalize _urlIntervalCheckId

---
 packages/react-shared/src/components/nested_sidebar_menu.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'packages/react-shared/src/components')

diff --git a/packages/react-shared/src/components/nested_sidebar_menu.tsx b/packages/react-shared/src/components/nested_sidebar_menu.tsx
index 34f3eb276..fc5ab95fa 100644
--- a/packages/react-shared/src/components/nested_sidebar_menu.tsx
+++ b/packages/react-shared/src/components/nested_sidebar_menu.tsx
@@ -40,7 +40,7 @@ export class NestedSidebarMenu extends React.Component<NestedSidebarMenuProps, N
     public static defaultProps: Partial<NestedSidebarMenuProps> = {
         shouldReformatMenuItemNames: true,
     };
-    private _urlIntervalCheckId: number;
+    private _urlIntervalCheckId: number | undefined = undefined;
     constructor(props: NestedSidebarMenuProps) {
         super(props);
         this.state = {
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