code: function _handleDataUpdate() {
      const rawData = dataEditor.getValue();
      let freshData = null;
  
      try {
          freshData = evalDataString(rawData);
      } catch(e) {
          errors.push(new Error('Could not parse the data from the input field', rawData));
      }
  
      storage.setDataByKey(savedDataKey, freshData);
  
      if (freshData) {
          setNewChart();
      }
  }
docs: Updates the data for the chart on the store, then sets a new chart so the new data is displayed
  @return {[type]} [description]