text: /*
   * Backpack - Skyscanner's Design System
   *
   * Copyright 2016-2019 Skyscanner Ltd
   *
   * 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.
   */
  
  export default links =>
    links.sort((a, b) => {
      const aHasRoute = !!a.route;
      const bHasRoute = !!b.route;
  
      if (aHasRoute === bHasRoute) {
        const aName = a.children.toLowerCase();
        const bName = b.children.toLowerCase();
  
        if (aName < bName) {
          return -1;
        }
  
        if (aName > bName) {
          return 1;
        }
  
        return 0;
      }
  
      if (aHasRoute && !bHasRoute) {
        return -1;
      }
  
      return 1;
    });
  