code: function filterOutNullData(fieldValues) {
    return _.filter(fieldValues || [], function(val) {
      return val === false || val === 0 || val;
    });
  }
docs: filterOutNullData - Utility function to remove all 'null' or 'undefined' values.
  
  0 and false are considered valid field value entries.
  
  @param  {array} fieldValues Array of field values to filter.
  @return {array}             Filtered field values.