src/formatter.js
function (rawData, model) {
    if (_.isNull(rawData) || _.isUndefined(rawData)) return '';
    return this._convert(rawData);
  }
function (rawData, model) {
    if (_.isNull(rawData) || _.isUndefined(rawData)) return '';
    return this._convert(rawData);
  }
function ( rawData , model ) { if ( _ . isNull ( rawData ) || _ . isUndefined ( rawData ) ) return '' ; return this . _convert ( rawData ) ; }
Converts an ISO-8601 formatted datetime string to a datetime string, date
string or a time string. The timezone is ignored if supplied.

@member Backgrid.DatetimeFormatter
@param {string} rawData
@param {Backbone.Model} model Used for more complicated formatting
@return {string|null|undefined} ISO-8601 string in UTC. Null and undefined
values are returned as is.
Converts an ISO - 8601 formatted datetime string to a datetime string date string or a time string . The timezone is ignored if supplied .