constants.ts

/**
 * @license
 * Copyright 2018 Google Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

const cssClasses = {
  MENU_SELECTED_LIST_ITEM: 'mdc-menu-item--selected',
  MENU_SELECTION_GROUP: 'mdc-menu__selection-group',
  ROOT: 'mdc-menu',
};

const strings = {
  ARIA_CHECKED_ATTR: 'aria-checked',
  ARIA_DISABLED_ATTR: 'aria-disabled',
  CHECKBOX_SELECTOR: 'input[type="checkbox"]',
  LIST_SELECTOR: '.mdc-list,.mdc-deprecated-list',
  SELECTED_EVENT: 'MDCMenu:selected',
  SKIP_RESTORE_FOCUS: 'data-menu-item-skip-restore-focus',
};

const numbers = {
  FOCUS_ROOT_INDEX: -1,
};

enum DefaultFocusState {
  NONE = 0,
  LIST_ROOT = 1,
  FIRST_ITEM = 2,
  LAST_ITEM = 3,
}

export {cssClasses, strings, numbers, DefaultFocusState};