fix(tabs): use instanceof to check for a Tab

PiperOrigin-RevId: 562917297
material-components · Sep 5, 2023 · 58497f1 · 58497f1
1 parent 29f1318
commit 58497f1
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Showing 2 changed files with 1 addition and 7 deletions.
diff --git a/tabs/internal/tab.ts b/tabs/internal/tab.ts
@@ -35,12 +35,6 @@ export class Tab extends LitElement {
   static override shadowRootOptions:
       ShadowRootInit = {mode: 'open', delegatesFocus: true};
 
-  /**
-   * @private indicates that the element is a tab for `<md-tabs>`
-   * @nocollapse
-   */
-  static readonly isTab = true;
-
   /**
    * Whether or not the tab is `selected`.
    **/

diff --git a/tabs/internal/tabs.ts b/tabs/internal/tabs.ts
@@ -296,5 +296,5 @@ export class Tabs extends LitElement {
 }
 
 function isTab(element: HTMLElement): element is Tab {
-  return 'isTab' in element.constructor && element.constructor.isTab === true;
+  return element instanceof Tab;
 }