New react-native app has 'TypeError: babelHelpers.typeof is not a function' [iOS]

Question

A new project created with the latest version of react-native throws javascript error while running(/debugging). Tested this on simulator.

[fatal][tid:main]         


        

Answer 1

Solved adding babel stage-1 and react-native preset's to .babelrc in the project's root folder.

{
  "presets": ["stage-1", "react-native"],
}

More details here: https://github.com/facebook/react-native/issues/5747