At Threadable, we've been working for a while on this great app called Threadable (now live on the app store). In it, we had to leverage some native modules but Objective-C was not the easiest programming language to grasp, and it doesn't seem to be as widely used as Swift. So we explored how to leverage Swift in a React Native project that depends on Objective-C

Checkout Threadable:
https://www.threadablebooks.com/

Threadable Case Study:
https://upstatement.com/case-study/th...

My PR into react-native-webview (Objective-C):
https://github.com/react-native-webvi...