feat: add Swift AppDelegate support for expo

- Add automatic Swift AppDelegate modification for AppsFlyer plugin
- Support Expo SDK 53+ default Swift AppDelegate template
- Add Bridging Header automatic import for Swift projects
- Maintain backward compatibility with Objective-C AppDelegate

Author: saseungmin

expo/withAppsFlyerIos.js

@@ -1,15 +1,16 @@
 const { withDangerousMod, withAppDelegate, WarningAggregator } = require('@expo/config-plugins');
 const { mergeContents } = require('@expo/config-plugins/build/utils/generateCode');
+const { getAppDelegate } = require('@expo/config-plugins/build/ios/Paths');
 const fs = require('fs');
 const path = require('path');
 
-const RNAPPSFLYER_IMPORT = `#import <RNAppsFlyer.h>\n`;
-const RNAPPSFLYER_CONTINUE_USER_ACTIVITY_IDENTIFIER = `- (BOOL)application:(UIApplication *)application continueUserActivity:(nonnull NSUserActivity *)userActivity restorationHandler:(nonnull void (^)(NSArray<id<UIUserActivityRestoring>> * _Nullable))restorationHandler {`;
-const RNAPPSFLYER_OPENURL_IDENTIFIER = `- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options {`;
-const RNAPPSFLYER_CONTINUE_USER_ACTIVITY_CODE = `[[AppsFlyerAttribution shared] continueUserActivity:userActivity restorationHandler:restorationHandler];\n`;
-const RNAPPSFLYER_OPENURL_CODE = `[[AppsFlyerAttribution shared] handleOpenUrl:url options:options];\n`;
+function modifyObjcAppDelegate(appDelegate) {
+	const RNAPPSFLYER_IMPORT = `#import <RNAppsFlyer.h>\n`;
+	const RNAPPSFLYER_CONTINUE_USER_ACTIVITY_IDENTIFIER = `- (BOOL)application:(UIApplication *)application continueUserActivity:(nonnull NSUserActivity *)userActivity restorationHandler:(nonnull void (^)(NSArray<id<UIUserActivityRestoring>> * _Nullable))restorationHandler {`;
+	const RNAPPSFLYER_OPENURL_IDENTIFIER = `- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options {`;
+	const RNAPPSFLYER_CONTINUE_USER_ACTIVITY_CODE = `[[AppsFlyerAttribution shared] continueUserActivity:userActivity restorationHandler:restorationHandler];\n`;
+	const RNAPPSFLYER_OPENURL_CODE = `[[AppsFlyerAttribution shared] handleOpenUrl:url options:options];\n`;
 
-function modifyAppDelegate(appDelegate) {
 	if (!appDelegate.includes(RNAPPSFLYER_IMPORT)) {
 		appDelegate = RNAPPSFLYER_IMPORT + appDelegate;
 	}
@@ -28,17 +29,108 @@ function modifyAppDelegate(appDelegate) {
 	return appDelegate;
 }
 
+function modifySwiftAppDelegate(appDelegateContents) {
+	const SWIFT_OPENURL_IDENTIFIER = `  public override func application(
+    _ app: UIApplication,
+    open url: URL,
+    options: [UIApplication.OpenURLOptionsKey: Any] = [:]
+  ) -> Bool {`;
+	const RNAPPSFLYER_SWIFT_OPENURL_CODE = 'AppsFlyerAttribution.shared().handleOpen(url, options: options)';
+
+	const SWIFT_CONTINUE_USER_ACTIVITY_IDENTIFIER = `  public override func application(
+    _ application: UIApplication,
+    continue userActivity: NSUserActivity,
+    restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void
+  ) -> Bool {`;
+	const RNAPPSFLYER_SWIFT_CONTINUE_USER_ACTIVITY_CODE = 'AppsFlyerAttribution.shared().continue(userActivity, restorationHandler: nil)';
+
+  if (appDelegateContents.includes(SWIFT_OPENURL_IDENTIFIER) && !appDelegateContents.includes(RNAPPSFLYER_SWIFT_OPENURL_CODE)) {
+		appDelegateContents = appDelegateContents.replace(SWIFT_OPENURL_IDENTIFIER, `${SWIFT_OPENURL_IDENTIFIER}\n    ${RNAPPSFLYER_SWIFT_OPENURL_CODE}`);
+  }
+
+	if (appDelegateContents.includes(SWIFT_CONTINUE_USER_ACTIVITY_IDENTIFIER) && !appDelegateContents.includes(RNAPPSFLYER_SWIFT_CONTINUE_USER_ACTIVITY_CODE)) {
+		appDelegateContents = appDelegateContents.replace(SWIFT_CONTINUE_USER_ACTIVITY_IDENTIFIER, `${SWIFT_CONTINUE_USER_ACTIVITY_IDENTIFIER}\n    ${RNAPPSFLYER_SWIFT_CONTINUE_USER_ACTIVITY_CODE}`);
+	}
+
+	if (!appDelegateContents.includes(RNAPPSFLYER_SWIFT_OPENURL_CODE) || !appDelegateContents.includes(RNAPPSFLYER_SWIFT_CONTINUE_USER_ACTIVITY_CODE)) {
+		WarningAggregator.addWarningIOS(
+			'withAppsFlyerAppDelegate',
+`
+Automatic Swift AppDelegate modification failed.
+Please add AppsFlyer integration manually:
+
+1. Add this to your openURL method:
+	AppsFlyerAttribution.shared().handleOpen(url, options: options)
+
+2. Add this to your continueUserActivity method:
+	AppsFlyerAttribution.shared().continue(userActivity, restorationHandler: nil)
+	
+Supported format: Expo SDK default template
+`
+		);
+	}
+
+	return appDelegateContents;
+}
+
 function withAppsFlyerAppDelegate(config) {
 	return withAppDelegate(config, (config) => {
-		if (['objc', 'objcpp'].includes(config.modResults.language)) {
-			config.modResults.contents = modifyAppDelegate(config.modResults.contents);
+		const language = config.modResults.language;
+
+		if (['objc', 'objcpp'].includes(language)) {
+			config.modResults.contents = modifyObjcAppDelegate(config.modResults.contents);
+		} else if (language === 'swift') {
+			config.modResults.contents = modifySwiftAppDelegate(config.modResults.contents);
 		} else {
-			WarningAggregator.addWarningIOS('withAppsFlyerAppDelegate', `${config.modResults.language} AppDelegate file is not supported yet`);
+			WarningAggregator.addWarningIOS('withAppsFlyerAppDelegate', `${language} AppDelegate file is not supported yet`);
 		}
 		return config;
 	});
 }
 
+function withIosBridgingHeader(config) {
+  return withDangerousMod(config, [
+    'ios',
+    async (config) => {
+      const projectRoot = config.modRequest.projectRoot;
+      const projectName = config.modRequest.projectName || config.name;
+      const appDelegate = getAppDelegate(projectRoot);
+
+      if (appDelegate.language === 'swift') {
+        const bridgingHeaderPath = path.join(
+          config.modRequest.platformProjectRoot,
+          config.name,
+          `${projectName}-Bridging-Header.h`,
+        );
+
+        if (fs.existsSync(bridgingHeaderPath)) {
+          let content = fs.readFileSync(bridgingHeaderPath, 'utf8');
+          const appsFlyerImport = '#import <RNAppsFlyer.h>';
+
+          if (!content.includes(appsFlyerImport)) {
+            content += `${appsFlyerImport}\n`;
+            fs.writeFileSync(bridgingHeaderPath, content);
+          }
+        } else {
+					WarningAggregator.addWarningIOS(
+						'withIosBridgingHeader',
+`
+Failed to detect ${bridgingHeaderPath} file. Please add AppsFlyer integration manually:
+#import <RNAppsFlyer.h>
+
+Supported format: Expo SDK default template
+`
+					);
+				}
+
+        return config;
+      }
+
+      return config;
+    },
+  ]);
+};
+
 function withPodfile(config, shouldUseStrictMode) {
 	return withDangerousMod(config, [
 		'ios',
@@ -69,6 +161,7 @@ function withPodfile(config, shouldUseStrictMode) {
 
 module.exports = function withAppsFlyerIos(config, shouldUseStrictMode) {
 	config = withPodfile(config, shouldUseStrictMode);
+	config = withIosBridgingHeader(config);
 	config = withAppsFlyerAppDelegate(config);
 	return config;
 };