From e02d4196f0af7cc457e4c43423cfa977cc7e110a Mon Sep 17 00:00:00 2001
From: Vladyslav_Prykhodko <vprykhodko@thingsboard.io>
Date: Fri, 23 Jul 2021 16:26:22 +0300
Subject: [PATCH] UI: added validation qr code text

---
 .../home/components/widget/lib/qrcode-widget.component.ts    | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/qrcode-widget.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/qrcode-widget.component.ts
index 6b4bc29ee6..6c1f148de5 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/qrcode-widget.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/qrcode-widget.component.ts
@@ -29,7 +29,7 @@ import {
 import { FormattedData } from '@home/components/widget/lib/maps/map-models';
 import { DatasourceData } from '@shared/models/widget.models';
 import { DataKeyType } from '@shared/models/telemetry/telemetry.models';
-import { isString } from '@core/utils';
+import { isNumber, isObject } from '@core/utils';
 
 interface QrCodeWidgetSettings {
   qrCodeTextPattern: string;
@@ -110,12 +110,11 @@ export class QrCodeWidgetComponent extends PageComponent implements OnInit, Afte
   private updateQrCodeText(newQrCodeText: string): void {
     if (this.qrCodeText !== newQrCodeText) {
       this.qrCodeText = newQrCodeText;
-      if (isString(newQrCodeText)) {
+      if (!(isObject(newQrCodeText) || isNumber(newQrCodeText))) {
         this.invalidQrCodeText = false;
         if (this.qrCodeText) {
           this.updateCanvas();
         }
-        this.cd.detectChanges();
       } else {
         this.invalidQrCodeText = true;
       }