From cf10ab97741a890462e7f4b77a231a4617887511 Mon Sep 17 00:00:00 2001
From: rokku-x <39764747+rokku-x@users.noreply.github.com>
Date: Thu, 7 Jan 2021 07:36:19 +0800
Subject: [PATCH] Camera Timeout React Memory Leak

The timer is not cleared when the component is unmounted during the set time period of camera timeout.
---
 index.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index c739d96..123774d 100644
--- a/index.js
+++ b/index.js
@@ -132,7 +132,7 @@ export default class QRCodeScanner extends Component {
       isAuthorizationChecked: false,
       disableVibrationByUser: false,
     };
-
+    this.timer = null;
     this._scannerTimeout = null;
     this._handleBarCodeRead = this._handleBarCodeRead.bind(this);
   }
@@ -178,6 +178,10 @@ export default class QRCodeScanner extends Component {
     if (this._scannerTimeout !== null) {
       clearTimeout(this._scannerTimeout);
     }
+    if (this.timer !== null) {
+      clearTimeout(this.timer);
+    }
+    this.timer = null;
     this._scannerTimeout = null;
   }