React Native Carplay (2.1.0) plugin for Expo 47 (Dangerous modifications)

carplayPlugin.js

const {createRunOncePlugin, IOSConfig, withDangerousMod} = require("@expo/config-plugins")
const fs = require("fs/promises")

const withCarPlay = (config) => {
  config = withCarPlayAppDelegate(config)
  config = withCarPlayAppDelegateHeader(config)
  return config
}

const withCarPlayAppDelegate = (conf) => {
  return withDangerousMod(conf, [
    "ios",
    async (config) => {
      const fileInfo = IOSConfig.Paths.getAppDelegate(config.modRequest.projectRoot)
      let contents = await fs.readFile(fileInfo.path, "utf-8")
      if (fileInfo.language === "objcpp" || fileInfo.language === "objc") {
        contents = modifySourceFile(contents)
      } else {
        throw new Error(`Cannot add CarPlay code to AppDelegate of language "${fileInfo.language}"`)
      }
      await fs.writeFile(fileInfo.path, contents)
      return config
    },
  ])
}

const withCarPlayAppDelegateHeader = (conf) => {
  return withDangerousMod(conf, [
    "ios",
    async (config) => {
      const headerFilePath = IOSConfig.Paths.getAppDelegateHeaderFilePath(config.modRequest.projectRoot)
      let contents = await fs.readFile(headerFilePath, "utf-8")

      contents = modifyHeaderFile(contents)

      await fs.writeFile(headerFilePath, contents)
      return config
    },
  ])
}

// @interface AppDelegate : EXAppDelegateWrapper <RCTBridgeDelegate>
const newHeaders = `
@property (nonatomic, strong) RCTBridge* bridge;
@end

@interface TemplateSceneDelegate: NSObject <CPTemplateApplicationSceneDelegate>
@end

@interface WindowSceneDelegate: EXAppDelegateWrapper <UIWindowSceneDelegate>
@end

`

const originalSceneRegex = /RCTBridge \*bridge =[\s\S]+?return YES;/ // todo: new arch
const originalSceneReplacement = `
  // Carplay removed stuff above, added below
  self.bridge = [self.reactDelegate createBridgeWithDelegate:self launchOptions:launchOptions];
  self.window = nil; // Carplay added
  [super application:application didFinishLaunchingWithOptions:launchOptions];
  return YES;
`

const sceneDelegateRegex = /@end[\s\n]+?$/
const sceneDelegateReplacement = `
@end

// Start carplay

#import <RNCarPlay.h>
@implementation TemplateSceneDelegate

- (void)templateApplicationScene:(CPTemplateApplicationScene *)templateApplicationScene didConnectInterfaceController:(CPInterfaceController *)interfaceController toWindow:(CPWindow *)window {
  [RNCarPlay connectWithInterfaceController:interfaceController window:window scene:templateApplicationScene];
}
- (void)templateApplicationScene:(CPTemplateApplicationScene *)templateApplicationScene didConnectInterfaceController:(CPInterfaceController *)interfaceController {
  [RNCarPlay connectWithInterfaceController:interfaceController window:templateApplicationScene.carWindow scene:templateApplicationScene];
}
- (void)templateApplicationScene:(CPTemplateApplicationScene *)templateApplicationScene didDisconnectInterfaceController:(CPInterfaceController *)interfaceController  {
  [RNCarPlay disconnect];
}
@end


@implementation WindowSceneDelegate

 - (void)scene:(UIScene *)scene continueUserActivity:(NSUserActivity *)userActivity {
   [RCTLinkingManager application:[UIApplication sharedApplication] openURL:userActivity.webpageURL options:@{}];
 }

- (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions {
  AppDelegate* appDelegate = (AppDelegate*)[UIApplication sharedApplication].delegate;
  UIWindowScene* windowScene = (UIWindowScene*)scene;

  for (NSUserActivity* activity in connectionOptions.userActivities) {
    NSURL* url = activity.webpageURL;
    if (url != nil) {
      // Hack: Open URL after everything is initialized, after booting for 1.5s
      dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1.5 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
        [RCTLinkingManager application:[UIApplication sharedApplication] openURL:url options:@{}];
      });
    }
  }

  if ([[RNCPStore sharedManager] isConnected]) {
    [appDelegate.bridge invalidate];
    appDelegate.bridge = [[RCTBridge alloc] initWithDelegate:appDelegate launchOptions:@{}];
  }


  UIView *rootView = [self.reactDelegate createRootViewWithBridge:appDelegate.bridge moduleName:@"main" initialProperties:nil]; // updated
  rootView.backgroundColor = [UIColor whiteColor];
  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
  [UIApplication sharedApplication].delegate.window = self.window;
  self.window.windowScene = windowScene;

  UIViewController *rootViewController = [self.reactDelegate createRootViewController];
  rootViewController.view = rootView;
  self.window.rootViewController = rootViewController;
  [self.window makeKeyAndVisible];
  [super application:[UIApplication sharedApplication] didFinishLaunchingWithOptions:nil];
}

-(void)scene:(UIScene *)scene openURLContexts:(NSSet<UIOpenURLContext *> *)URLContexts {
  UIOpenURLContext* context = [URLContexts anyObject];
  if (context != nil) {
    [RCTLinkingManager application:[UIApplication sharedApplication] openURL:context.URL options:@{}];
  }
}
@end

`

const modifyHeaderFile = (contents) => {
  contents = "#import <CarPlay/CarPlay.h>\n" + contents // add import carplay
  contents = contents.replace(/@end/, newHeaders) // add bridge and scene delegate

  return contents
}

const modifySourceFile = (contents) => {
  contents = contents.replace(originalSceneRegex, originalSceneReplacement)
  contents = contents.replace(sceneDelegateRegex, sceneDelegateReplacement)
  return contents
}

const withCarPlayPlugin = (config) => {
  config = withCarPlay(config)

  // Return the modified config.
  return config
}

const pkg = {
  // Prevent this plugin from being run more than once.
  name: "@valtyr/react-native-carplay",
  // Indicates that this plugin is dangerously linked to a module,
  // and might not work with the latest version of that module.
  version: "UNVERSIONED",
}

module.exports = createRunOncePlugin(withCarPlayPlugin, pkg.name, pkg.version)

Hi @nixolas1
have you got this working with Expo 49? In SDK 48 or 49 the EXAppDelegateWrapper has changed