fix(core): update

ts_web/elements/wcc-properties.ts

@@ -19,6 +19,9 @@ export class WccProperties extends LitElement {
   @property()
   public selectedViewport = 'native';
 
+  @property()
+  public warning: string = null;
+
   public render(): TemplateResult {
     return html`
       <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet" />
@@ -98,6 +101,18 @@ export class WccProperties extends LitElement {
           color: #333;
           background: #fff;
         }
+
+        .warning {
+          position: absolute;
+          background: #800000;
+          top: 0px;
+          bottom: 0px;
+          left: 0px;
+          right: 0px;
+          text-align: center;
+          padding: 20px;
+          font-size: 25px;
+        }
       </style>
       <div class="grid">
         <div class="properties">
@@ -167,6 +182,9 @@ ${(() => {
         </div>
         <div class="docs">Docs</div>
       </div>
+      ${this.warning ? html`<div class="warning">
+        ${this.warning}
+      </div>` : null}
     `;
   }