Method trigger

src/cdk/menu/menu-item.ts:130–138

* If the menu item is not disabled and the element does not have a menu trigger attached, emit * on the cdkMenuItemTriggered emitter and close all open menus. * @param options Options the configure how the item is triggered * - keepOpen: specifies that the menu should be kept open after t

(options?: {keepOpen: boolean})

   *   - keepOpen: specifies that the menu should be kept open after triggering the item.
   */
  trigger(options?: {keepOpen: boolean}) {
    const {keepOpen} = {...options};
    if (!this.disabled && !this.hasMenu) {
      this.triggered.next();
      if (!keepOpen) {
        this._menuStack.closeAll({focusParentTrigger: true});
      }
    }
  }

  /** Return true if this MenuItem has an attached menu and it is open. */
  isMenuOpen() {