/**
 * Copyright 2023 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {
  QueryHandler,
  type QuerySelectorAll,
  type QuerySelector,
} from './QueryHandler.js';

/**
 * @internal
 */
export class XPathQueryHandler extends QueryHandler {
  static override querySelectorAll: QuerySelectorAll = (
    element,
    selector,
    {xpathQuerySelectorAll}
  ) => {
    return xpathQuerySelectorAll(element, selector);
  };

  static override querySelector: QuerySelector = (
    element: Node,
    selector: string,
    {xpathQuerySelectorAll}
  ) => {
    for (const result of xpathQuerySelectorAll(element, selector, 1)) {
      return result;
    }
    return null;
  };
}