text: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 Ember from 'ember';
  
  export default Ember.Component.extend({
    path: '',
    collapseAt: 4,
    tagName: 'ul',
    classNames: ['breadcrumb'],
    collapsingRequired: false,
    collapsedCrumbs: [],
    expandedCrumbs: [],
  
    crumbs: Ember.on('init', Ember.observer('path', function() {
      var path = this.get('path');
      var currentPath = path.split('/').filter((entry) => { return !Ember.isBlank(entry) });
      currentPath.unshift("/");
      var that = this;
      var shouldCollapse = function(scope, array, index) {
        return (((array.length - 1) >= scope.get('collapseAt')) && (index < array.length - 2));
      };
      var getCrumb = function(index, allCrumbs) {
        return {name: allCrumbs[index], path: "/" + allCrumbs.slice(1, index + 1).join('/'), last: false};
      };
  
      var collapsedCrumbs = currentPath.map(function(curr, i, array) {
        if(shouldCollapse(that, array, i)) {
          return getCrumb(i, array);
        } else {
          return {};
        }
      }).filterBy('name');
  
      var crumbs = currentPath.map(function(curr, i, array) {
        if(!shouldCollapse(that, array, i)) {
          return getCrumb(i, array);
        } else {
          return {};
        }
      }).filterBy('name');
  
      crumbs.set('lastObject.last', true);
  
      if (collapsedCrumbs.length > 0) {
        this.set('collapsingRequired', true);
      } else {
        this.set('collapsingRequired', false);
      }
      this.set('collapsedCrumbs', collapsedCrumbs.reverse());
      this.set('expandedCrumbs', crumbs);
    }))
  
  });
  