From fd9745ddcddded76d64220838aef0f599bf4352f Mon Sep 17 00:00:00 2001
From: Ely Lucas <ely@meta-tek.net>
Date: Wed, 6 Nov 2019 14:54:06 -0700
Subject: [PATCH] fix(react): adding hardware back button support, fixes(19819)
 (#19851)

---
 packages/react-router/src/ReactRouter/NavManager.tsx | 7 +++++++
 packages/react/src/components/utils/index.tsx        | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/react-router/src/ReactRouter/NavManager.tsx b/packages/react-router/src/ReactRouter/NavManager.tsx
index 60b39bab9e..a01bc7873b 100644
--- a/packages/react-router/src/ReactRouter/NavManager.tsx
+++ b/packages/react-router/src/ReactRouter/NavManager.tsx
@@ -34,6 +34,13 @@ export class NavManager extends React.Component<NavManagerProps, NavContextState
       });
     });
 
+    if (document) {
+      document.addEventListener('ionBackButton', (e: any) => {
+        e.detail.register(0, () => {
+          this.props.history.goBack();
+        });
+      });
+    }
   }
 
   componentWillUnmount() {
diff --git a/packages/react/src/components/utils/index.tsx b/packages/react/src/components/utils/index.tsx
index 405d62ae70..3ce11956b1 100644
--- a/packages/react/src/components/utils/index.tsx
+++ b/packages/react/src/components/utils/index.tsx
@@ -1,4 +1,4 @@
-import { Platforms, getPlatforms as getPlatformsCore, isPlatform as isPlatformCore, Config as CoreConfig } from '@ionic/core';
+import { Config as CoreConfig, Platforms, getPlatforms as getPlatformsCore, isPlatform as isPlatformCore } from '@ionic/core';
 import React from 'react';
 
 import { IonicReactProps } from '../IonicReactProps';