TransformError with babel-preset-react-native/index.js

Question

I\'m brand new to react-native, and trying to render my first bit of text on the screen.

When I run react-native run-ios and then click into my sample a

Answer 1

This is bug in the new version of babel-preset-react-native as it will added automatically after you run react-native init command

Please take a look at this github issue https://github.com/facebook/react-native/issues/15513

Workaround, try to change the version:

yarn remove babel-preset-react-native
yarn add babel-preset-react-native@2.1.0

if that's not work for you, try to remove trailing comma at node_modules/babel-preset-react-native/configs/main.js at this code below

https://github.com/facebook/react-native/blob/6ad7e8281b37ee2ce6425363c0b17420d056807a/babel-preset/configs/main.js#L40 and re-run your app