From bd36e9f5ea5c6c0bea1df3c53ed8a51fb5bd892a Mon Sep 17 00:00:00 2001
From: Kitteh <kitteh@kitteh.pw>
Date: Tue, 25 May 2021 12:41:02 +0100
Subject: [PATCH] Make QR scanner deinit properly.

---
 src/elements/QRScanner.tsx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/elements/QRScanner.tsx b/src/elements/QRScanner.tsx
index 9611794..5170ba4 100644
--- a/src/elements/QRScanner.tsx
+++ b/src/elements/QRScanner.tsx
@@ -16,6 +16,7 @@ export class QRScanner extends Component<QRScannerProps, unknown> {
   videoElement = createRef<HTMLVideoElement>();
 
   stream: MediaStream;
+  qrScanner: QrScanner;
 
   componentDidMount(): void {
     void navigator.mediaDevices
@@ -33,16 +34,15 @@ export class QRScanner extends Component<QRScannerProps, unknown> {
           if (lastSeenValue == value) return;
           this.props.onScan(value);
         });
+        this.qrScanner = qrScanner;
         void qrScanner.start();
       });
   }
   componentWillUnmount(): void {
     try {
-      this.stream.getTracks().forEach(function (track) {
-        track.stop();
-      });
+      this.qrScanner.destroy();
     } catch (_) {
-      () => {};
+      // Do Nothing
     }
   }