Fixes/657 (mebjas#671)

* fix: do not access sectionSwap when not existing Fixes mebjas#657 * update minified js * revert minified js because of codacy warnings
thammit · Jan 22, 2023 · 4a9a039 · 4a9a039
1 parent 7f57cad
commit 4a9a039
Showing 1 changed file with 8 additions and 6 deletions.
diff --git 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() {