Method collapse

src/aria/private/menu/menu.ts:415–424

Collapses the current menu or focuses the previous item in the menubar.

()

  /** Collapses the current menu or focuses the previous item in the menubar. */
  collapse() {
    const root = this.root();
    const parent = this.inputs.parent();

    if (parent instanceof MenuItemPattern && !(parent.inputs.parent() instanceof MenuBarPattern)) {
      parent.close({refocus: true});
    } else if (root instanceof MenuBarPattern) {
      root.prev();
    }
  }

  /** Expands the current menu or focuses the next item in the menubar. */
  expand() {