gistfile1.txt

var getMapData = function(  ) {

    this.stateOutlines = {};
    this.HRROutlines = {};
    this.filterableData = {};
    this.layersByHRRNUM = {};


    var stateJSON = 'assets/js/data/states.json';
    var hrrJSON = 'assets/js/data/hospital-referral-regions.json';
    var filterableJSON = 'assets/js/data/filterable-data.json';

  };


  getMapData.prototype.getData = function() {
    if (!this.dataPromise) {
      this.dataPromise = $.when(
        this.getStateOutlines(),
        this.getHRROutlines(),
        this.getFilterableData()
      ).done(this.combineData);
    }
    return this.dataPromise;
  };

  getMapData.prototype.combineData = function() {
    return $.extend(this._stateData, this._hfrData, this._filterData);
  };


mapData = new MapData;
mapData.getData().done(drawMap);