Method _openItem

src/aria/private/menu/menu.ts:287–294

Opens the specified menu item after a delay.

(item: MenuItemPattern<V>)

  /** Opens the specified menu item after a delay. */
  private _openItem(item: MenuItemPattern<V>) {
    this._clearOpenTimeout();

    this._openTimeout = setTimeout(() => {
      item.open();
      this._openTimeout = undefined;
    }, this.inputs.expansionDelay());
  }

  /** Handles mouseout events for the menu. */
  onMouseOut(event: MouseEvent) {