Method open

src/aria/private/tabs/tabs.ts:277–288

(tab: TabPattern | undefined)

  /** Opens the given tab or the current active tab. */
  open(tab?: TabPattern): boolean;
  open(tab: TabPattern | undefined): boolean {
    tab ??= this.activeTab();

    if (tab === undefined) return false;

    const success = this.expansionBehavior.open(tab);
    if (success) {
      this.selectedTab.set(tab);
    }

    return success;
  }

  /** Executes a navigation operation and expand the active tab if needed. */
  private _navigate(op: () => boolean, shouldExpand: boolean = false): void {