Rxjs Visual Studio AppCenter生成失败，Bash退出，代码为'；1'；

我有一个react本机应用程序，我正试图用VS AppCenter构建它，我很难弄清楚构建错误是什么。查看日志，它似乎在步骤

6生成源代码映射

该错误是否为AssignmentExpression左侧的rxjs error
属性，预期节点的类型为[“LVal”]，但得到的却是“ConditionalExpression”
，这是导致生成失败的原因吗？如果是这样的话，为什么它可以在本地运行和构建呢

##[section]Starting: Generate source map
==============================================================================
Task         : Command Line
Description  : This is an early preview. Run a command line script using cmd.exe on Windows and bash on macOS and Linux.
Version      : 2.127.0
Author       : Microsoft Corporation
Help         : [More Information](https://go.microsoft.com/fwlink/?LinkID=613735)
==============================================================================
Generating script.
[command]/bin/bash --noprofile --norc /Users/vsts/agent/2.134.2/work/_temp/foo.sh
Found index.js for ReactNative index.
Scanning folders for symlinks in /Users/vsts/agent/2.134.2/work/1/s/node_modules (33ms)
Scanning folders for symlinks in /Users/vsts/agent/2.134.2/work/1/s/node_modules (31ms)
Loading dependency graph, done.
warning: the transform cache was reset.
/Users/vsts/agent/2.134.2/work/1/s/node_modules/rxjs/symbol/iterator.js: /Users/vsts/agent/2.134.2/work/1/s/node_modules/rxjs/symbol/iterator.js: Property left of AssignmentExpression expected node to be of a type ["LVal"] but instead got "ConditionalExpression"
##[error]Bash exited with code '1'.
##[section]Finishing: Generate source map

通过谷歌搜索，我发现了这个潜在的相关bug，但大多数解决方案似乎都是更新到过时的巴别塔预设

这是我的依赖项

"react": "16.3.1",
"react-native": "^0.55.3",

  "devDependencies": {
    "babel-jest": "22.4.3",
    "babel-preset-react-native": "4.0.0",
    "babel-preset-react-native-stage-0": "^1.0.1",
    "jest": "22.4.3",
    "react-test-renderer": "16.3.1"
  },