Handle case where these values can be zero, and would be set to null
/*
 *
 * 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.
 *
*/

var CompassHeading = function(magneticHeading, trueHeading, headingAccuracy, timestamp) {
  this.magneticHeading = magneticHeading;
  this.trueHeading = trueHeading;
  this.headingAccuracy = headingAccuracy;
  this.timestamp = timestamp || new Date().getTime();
};

module.exports = CompassHeading;

/*
 *
 * 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.
 *
*/

var CompassHeading = function(magneticHeading, trueHeading, headingAccuracy, timestamp) {
  this.magneticHeading = magneticHeading || null;
  this.trueHeading = trueHeading || null;
  this.headingAccuracy = headingAccuracy || null;
  this.timestamp = timestamp || new Date().getTime();
};

module.exports = CompassHeading;
