import { TreeUtils } from '@tomzio/utils';

TreeUtils.iterateeTree(dataSource, (data, parent) => {
  const level = parent && parent.level ? parent.level : 0
  if (_.isNil(data.key) || _.trim(data.key) === "") {
    data.key = BasicUtil.randomNo(8);
  }
  data.level = level + 1;
  data.parent = parent;
});