This transformer: https://github.com/ds300/react-native-typescript-transformer https://github.com/ds300/react-native-typescript-transformer worked perfectly for

This transformer: https://github.com/ds300/react-native-typescript-transformer https://github.com/ds300/react-native-typescript-transformer worked perfectly for me so far. You don't have to change your code at all but just add a single file to your project and the packager will do all the rest for you.