react-native-bootsplash 6.3.3 on Node.js Yarn

Remove the need for a Bridging Header file on React Native 0.77+:

import ReactAppDependencyProvider
import RNBootSplash // ⬅️ add this import

// …

@main
class AppDelegate: RCTAppDelegate {
  // …

  // ⬇️ override this method
  override func customize(_ rootView: RCTRootView!) {
    super.customize(rootView)
    RNBootSplash.initWithStoryboard("BootSplash", rootView: rootView) // ⬅️ initialize the splash screen
  }
}