text: /*
   * Copyright © 2016-2018 The Thingsboard Authors
   *
   * 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 angular.module('thingsboard.filters.truncate', [])
      .filter('truncate', Truncate)
      .name;
  
  /*@ngInject*/
  function Truncate () {
      return function (value, wordwise, max, tail) {
          if (!value) return '';
  
          max = parseInt(max, 10);
          if (!max) return value;
          if (value.length <= max) return value;
  
          value = value.substr(0, max);
          if (wordwise) {
              var lastspace = value.lastIndexOf(' ');
              if (lastspace != -1) {
                  //Also remove . and , so its gives a cleaner result.
                  if (value.charAt(lastspace - 1) == '.' || value.charAt(lastspace - 1) == ',') {
                      lastspace = lastspace - 1;
                  }
                  value = value.substr(0, lastspace);
              }
          }
  
          return value + (tail || ' …');
      };
  }
  