Merge pull request #561 from zxing-js/bugfix/559-enable

#559 ZxingScannerComponen.init method called twice when enable flag i…

Author: werthdavid

projects/zxing-scanner/src/lib/zxing-scanner.component.ts

@@ -343,6 +343,10 @@ export class ZXingScannerComponent implements OnInit, OnDestroy {
   @Input()
   set enable(enabled: boolean) {
 
+    if (this._enabled === Boolean(enabled)) {
+      return;
+    }
+
     this._enabled = Boolean(enabled);
 
     if (!this._enabled) {