react-navigation/.babelrc

{
  "env": {
    // For RN example development
    "development": {
      "presets": ["react-native"],
      "plugins": [
        "transform-flow-strip-types"
      ]
    },
    // For Jest
    "test": {
      "presets": ["react-native"],
      "plugins": [
        "transform-flow-strip-types"
      ]
    },
    // For publishing to NPM for RN
    "publish-rn": {
      "presets": ["react-native-syntax"],
      "plugins": [
        "transform-flow-strip-types"
      ]
    },
    // For publishing to NPM for web
    "publish-web": {
      "presets": ["es2015", "stage-1", "react"],
      "plugins": [
        "transform-flow-strip-types",
        ["transform-define", {
          "__DEV__": false
        }]
      ]
    }
  }
}