这是 es7 的代码段

/**
 * 将抓取来的搜索出来的公众号信息（个体）保存到数据库
 * @param {*指定的关键词} mediaName
 * @param {*原始数据有关mediaPlatform} mp
 * @param {*抓包类型--属于公众号} paramUrl
 */
export async function saveAndUpdateRecord (mediaName, mp, paramUrl) {
  let record = new Record()
  record.query = mediaName
  record.paramUrl = paramUrl
  record.jsonData = JSON.stringify(mp)
  const hash = crypto.createHash('sha256')
  record.hash = hash.update(record.jsonData).digest('hex')
  let _record = await Record.findOne({ query: mediaName, paramUrl: paramUrl })
  if (_record) {
    console.log(` - 更新: 关键词: ${_record.query} 修改成功`)
    _record = _.extend(record, _record)
    const data = await _record.save()
    return data
  } else {
    console.log(` - 插入: ${_record.query} 插入成功`) // 这里假装报错
    const data = await record.save()
    return data
  }
}

运行babel-node 命令后

$ babel-node src/writeRecords.js

出现报错

 - 更新: 关键词: 中大青年 修改成功
(node:9684) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): TypeError: Cannot read property 'Symbol(Symbol.iterator)' of undefined
(node:9684) [DEP0018] DeprecationWarning: Unhandled promise rejections are
deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

这样的报错信息实现太难知道哪行错了
有没有babel没有装的插件可以检查出哪行报错之类的

配置信息.babelrc.js

{
  "presets": [
    "env"
  ],
  "plugins": [
    [
      "transform-runtime",
      {
        "helpers": false,
        "polyfill": false,
        "regenerator": true,
        "moduleName": "babel-runtime"
      }
    ]
  ]
}

package.json

"devDependencies": {
    "babel-cli": "^6.26.0",
    "babel-core": "^6.26.0",
    "babel-eslint": "^8.0.2",
    "babel-plugin-transform-runtime": "^6.23.0",
    "babel-preset-env": "^1.6.1"
  },