From ed11cf9b6bbad04d71f538514dc50e9f1ff8dfcd Mon Sep 17 00:00:00 2001
From: Elias Nahum <nahumhbl@gmail.com>
Date: Tue, 8 Oct 2019 15:13:03 +0300
Subject: [PATCH] Fix running mm-i18n that crashes on conditional operators
 (#3385)

---
 app/components/sidebars/drawer_layout.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/components/sidebars/drawer_layout.js b/app/components/sidebars/drawer_layout.js
index c7ef74a23..16fe14a16 100644
--- a/app/components/sidebars/drawer_layout.js
+++ b/app/components/sidebars/drawer_layout.js
@@ -122,7 +122,9 @@ export default class DrawerLayout extends Component {
     }
 
     componentWillUnmount() {
-        this.openValue?.removeListener(this.handleOpenValueChanged);
+        if (this.openValue) {
+            this.openValue.removeListener(this.handleOpenValueChanged);
+        }
         Dimensions.removeEventListener('change', this.handleDimensionsChange);
     }