fix bool bindings

Author: jogibear9988

packages/web-component-designer-visualization-addons/package.json

@@ -1,7 +1,7 @@
 {
   "description": "web-component-designer addon for visualizations",
   "name": "@node-projects/web-component-designer-visualization-addons",
-  "version": "0.1.144",
+  "version": "0.1.145",
   "type": "module",
   "main": "./dist/index.js",
   "author": "jochen.kuehner@gmx.de",

packages/web-component-designer-visualization-addons/src/helpers/BindingsHelper.ts

@@ -1030,7 +1030,14 @@ export class BindingsHelper {
     if (binding[1].target == BindingTarget.property)
       element[binding[0]] = v;
     else if (binding[1].target == BindingTarget.attribute)
-      element.setAttribute(binding[0], <string>v);
+      if (typeof v === 'boolean') {
+        if (v)
+          element.setAttribute(binding[0], '');
+        else
+          element.removeAttribute(binding[0]);
+      } else {
+        element.setAttribute(binding[0], <string>v);
+      }
     else if (binding[1].target == BindingTarget.css)
       (<HTMLElement>element).style[binding[0]] = v;
     else if (binding[1].target == BindingTarget.cssvar)