Code coverage report for app/utils/load_timer.js

Statements: 88.89% (16 / 18)      Branches: 100% (4 / 4)      Functions: 80% (4 / 5)      Lines: 88.89% (16 / 18)      Ignored: none     

All files » app/utils/ » load_timer.js
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'use strict';
 
;require.register("utils/load_timer", function (exports, require, module) {
  /**
   * 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.
   */
 
  App.loadTimer = Em.Object.create({
 
    timeStampCache: {},
 
    /**
     * save start timestamp
     * @param {string} label
     */
    start: function start(label) {
      $('.alert.attach-to-bottom-right').remove();
      if (App.get('supports.showPageLoadTime')) {
        this.get('timeStampCache')[label] = window.performance.now();
      }
    },
 
    /**
     * calculate time difference
     * @param {string} label
     * @returns {undefined|string}
     */
    finish: function finish(label) {
      var result;
 
      if (typeof this.get('timeStampCache')[label] === "number") {
        result = Number(window.performance.now() - this.get('timeStampCache')[label]).toFixed(2);
        console.debug(label + " loaded in: " + result + "ms");
        this.display(label + " loaded in: " + result + "ms");
        delete this.get('timeStampCache')[label];
      }
      return result;
    },
 
    /**
     * display time results on the screen
     * @param {string} result
     */
    display: function display(result) {
      var alert = $("<div class='alert alert-warning attach-to-bottom-right'>" + result + "</div>");
      var closeButton = $("<i class='glyphicon glyphicon-remove-circle'></i>").click(function () {
        $(this).remove();
        $(alert).remove();
      });
      alert.append("&nbsp;", closeButton);
      $('body').append(alert);
    }
  });
});