old_contents: import Datas from 'src/main/datas';
  import API from 'src/util/api';
  
  const DataObject = Datas.DataObject;
  
  const jpaths = {};
  
  jpaths.sampleCode = ['$id', 0];
  jpaths.batchCode = ['$id', 1];
  jpaths.creationDate = ['$creationDate'];
  jpaths.modificationDate = ['$modificationDate'];
  jpaths.content = ['$content'];
  jpaths.general = ['$content', 'general'];
  jpaths.molfile = ['$content', 'general', 'molfile'];
  jpaths.mf = ['$content', 'general', 'mf'];
  jpaths.mw = ['$content', 'general', 'mw'];
  jpaths.em = ['$content', 'general', 'em'];
  jpaths.description = ['$content', 'general', 'description'];
  jpaths.name = ['$content', 'general', 'name'];
  jpaths.physical = ['$content', 'physical'];
  jpaths.bp = ['$content', 'physical', 'bp'];
  jpaths.nd = ['$content', 'physical', 'nd'];
  jpaths.mp = ['$content', 'physical', 'mp'];
  jpaths.density = ['$content', 'physical', 'density'];
  jpaths.ir = ['$content', 'spectra', 'ir'];
  jpaths.mass = ['$content', 'spectra', 'mass'];
  jpaths.nmr = ['$content', 'spectra', 'nmr'];
  jpaths.chromatogram = ['$content', 'spectra', 'chromatogram'];
  jpaths.xray = ['$content', 'spectra', 'xray'];
  jpaths.image = ['$content', 'image'];
  jpaths.attachments = ['attachmentList'];
  
  
  export function createVar(variable, varName) {
      check(varName);
      API.setVariable(varName, variable, jpaths[varName]);
  }
  
  export function getData(sample, varName) {
      check(varName);
      sample = _getData(sample);
      return sample.getChildSync(jpaths[varName]);
  }
  
  export function setData(sample, varName) {
      check(varName);
      // todo fix this
      //sample = get(sample);
      sample.setChildSync(jpaths[varName]);
  }
  
  function check(varName) {
      if (!jpaths[varName]) {
          throw new Error(`jpath for ${varName} not defined`);
      }
  }
  
  function _getData(variable) {
      if (DataObject.getType(variable) === 'string') {
          return API.getData(variable);
      }
      return variable;
  }
  
new_contents: import Datas from 'src/main/datas';
  import API from 'src/util/api';
  
  const DataObject = Datas.DataObject;
  
  const jpaths = {};
  
  jpaths.sampleCode = ['$id', 0];
  jpaths.batchCode = ['$id', 1];
  jpaths.creationDate = ['$creationDate'];
  jpaths.modificationDate = ['$modificationDate'];
  jpaths.content = ['$content'];
  jpaths.general = ['$content', 'general'];
  jpaths.molfile = ['$content', 'general', 'molfile'];
  jpaths.mf = ['$content', 'general', 'mf'];
  jpaths.mw = ['$content', 'general', 'mw'];
  jpaths.em = ['$content', 'general', 'em'];
  jpaths.description = ['$content', 'general', 'description'];
  jpaths.title = ['$content', 'general', 'title'];
  jpaths.name = ['$content', 'general', 'name'];
  jpaths.physical = ['$content', 'physical'];
  jpaths.bp = ['$content', 'physical', 'bp'];
  jpaths.nd = ['$content', 'physical', 'nd'];
  jpaths.mp = ['$content', 'physical', 'mp'];
  jpaths.density = ['$content', 'physical', 'density'];
  jpaths.ir = ['$content', 'spectra', 'ir'];
  jpaths.mass = ['$content', 'spectra', 'mass'];
  jpaths.nmr = ['$content', 'spectra', 'nmr'];
  jpaths.chromatogram = ['$content', 'spectra', 'chromatogram'];
  jpaths.xray = ['$content', 'spectra', 'xray'];
  jpaths.image = ['$content', 'image'];
  jpaths.attachments = ['attachmentList'];
  
  
  export function createVar(variable, varName) {
      check(varName);
      API.setVariable(varName, variable, jpaths[varName]);
  }
  
  export function getData(sample, varName) {
      check(varName);
      sample = _getData(sample);
      return sample.getChildSync(jpaths[varName]);
  }
  
  export function setData(sample, varName) {
      check(varName);
      // todo fix this
      //sample = get(sample);
      sample.setChildSync(jpaths[varName]);
  }
  
  function check(varName) {
      if (!jpaths[varName]) {
          throw new Error(`jpath for ${varName} not defined`);
      }
  }
  
  function _getData(variable) {
      if (DataObject.getType(variable) === 'string') {
          return API.getData(variable);
      }
      return variable;
  }
  
subject: Correct jpath for title