React Native 0.57+和流运行时

Question

我还没有找到如何将流运行时集成到我的本地反应项目（RN 0.57.8）中。

这是我的.babelrc

{
  "presets": [
    "module:metro-react-native-babel-preset",
    "@babel/preset-flow"
  ],
  "plugins": [
    [
      "@babel/plugin-proposal-decorators",
      {
        "legacy": true
      }
    ],
    [
      "@babel/plugin-proposal-class-properties",
      {
        "loose": true
      }
    ],
    [
      "flow-runtime",
      {
        "assert": true,
        "annotate": true,
        "optInOnly": true
      }
    ]
  ]
}

打包版本：

react-native: 0.57.8
flow-runtime: 0.17.0
babel-plugin-flow-runtime: 0.19.0

在应用启动时，我得到Unexpected token {。在添加流运行时之前，应用程序已正确启动。