code: function parseTplDataInfo(value) {
      value = value.substring(1, value.length - 1);
      let items = value.split(',');
      let dataObjAttrs = {};
      items.forEach(item => {
          let colonIdx = item.indexOf(':');
          if (colonIdx !== -1) {
              let key = item.substring(0, colonIdx).trim();
              let value = item.substr(colonIdx + 1).trim();
  
              key === value || (dataObjAttrs[key] = value);
          }
      });
  
      return Object.keys(dataObjAttrs).length ? dataObjAttrs : null;
  }
docs: Parse the used data information of the import template. If the data attribute
  name is not changed, it'll ignore.
  
  e.g.,
  input: a:b, c, ...obj
  output: {a: b}
  
  @inner
  @param {string} value the data value
  @return {?Object}