text: /*
   * Licensed to Elasticsearch B.V. under one or more contributor
   * license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright
   * ownership. Elasticsearch B.V. 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 _ from 'lodash';
  
  /**
   * just a place to put feature detection checks
   */
  export const supportsCssFilters = (function() {
    const e = document.createElement('img');
    const rules = ['webkitFilter', 'mozFilter', 'msFilter', 'filter'];
    const test = 'grayscale(1)';
  
    rules.forEach(function(rule) {
      e.style[rule] = test;
    });
  
    document.body.appendChild(e);
    const styles = window.getComputedStyle(e);
    const can = _(styles)
      .pick(rules)
      .includes(test);
    document.body.removeChild(e);
  
    return can;
  })();
  