code: function getCurrentConfig() {
      let initString = storage.getDataByKey(savedConfigKey);
  
      if (!initString) {
  
          let chartType = getCurrentType();
          let {chartConfig} = defaultConfig[chartType];
  
          initString = formatParamsIntoChartInitString(chartConfig);
          storage.setDataByKey(savedConfigKey, initString);
      }
  
      return initString;
  }
docs: Gets teh current chart configuration either from the store or from the constants file.
  If no configuraiton is found on the store, one is set from the constants.
  @return {String}     config string