From 4a9a039f12164d8e94e115c56fd096efa835d10b Mon Sep 17 00:00:00 2001
From: Lorenzo Zolfanelli <lorenzo.zolfanelli93@gmail.com>
Date: Sun, 22 Jan 2023 07:02:02 +0100
Subject: [PATCH] Fixes/657 (#671)

* fix: do not access sectionSwap when not existing

Fixes #657

* update minified js

* revert minified js because of codacy warnings
---
 src/html5-qrcode-scanner.ts | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/html5-qrcode-scanner.ts b/src/html5-qrcode-scanner.ts
index a95a8e8..9cb5b89 100644
--- a/src/html5-qrcode-scanner.ts
+++ b/src/html5-qrcode-scanner.ts
@@ -1020,13 +1020,15 @@ export class Html5QrcodeScanner {
     }
 
     private showHideScanTypeSwapLink(shouldDisplay?: boolean) {
-        if (shouldDisplay !== true) {
-            shouldDisplay = false;
-        }
+        if (this.scanTypeSelector.hasMoreThanOneScanType()) {
+            if (shouldDisplay !== true) {
+                shouldDisplay = false;
+            }
 
-        this.sectionSwapAllowed = shouldDisplay;
-        this.getDashboardSectionSwapLink().style.display
-            = shouldDisplay ? "inline-block" : "none";
+            this.sectionSwapAllowed = shouldDisplay;
+            this.getDashboardSectionSwapLink().style.display
+                = shouldDisplay ? "inline-block" : "none";
+        }
     }
 
     private insertCameraScanImageToScanRegion() {