[ios] add backwards compatibility to RN imports - fixed #80

ios/RNFirebase/RNFirebase.h

@@ -2,9 +2,21 @@
 #define RNFirebase_h
 
 #import <UIKit/UIKit.h>
-#import "RCTBridgeModule.h"
+#if __has_include(<React/RCTEventDispatcher.h>)
+#import <React/RCTEventDispatcher.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTEventDispatcher.h"
+#endif
+#if __has_include(<React/RCTEventEmitter.h>)
+#import <React/RCTEventEmitter.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTEventEmitter.h"
+#endif
+#if __has_include(<React/RCTBridgeModule.h>)
+#import <React/RCTBridgeModule.h>
+#else // Compatibility for RN version < 0.40
+#import "RCTBridgeModule.h"
+#endif
 
 @interface RNFirebase : RCTEventEmitter <RCTBridgeModule> {
 }

ios/RNFirebase/RNFirebaseAnalytics.h

@@ -1,7 +1,11 @@
 #ifndef RNFirebaseAnalytics_h
 #define RNFirebaseAnalytics_h
 
+#if __has_include(<React/RCTBridgeModule.h>)
+#import <React/RCTBridgeModule.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTBridgeModule.h"
+#endif
 
 @interface RNFirebaseAnalytics : NSObject <RCTBridgeModule> {
 

ios/RNFirebase/RNFirebaseAuth.h

@@ -2,8 +2,16 @@
 #define RNFirebaseAuth_h
 
 #import "Firebase.h"
+#if __has_include(<React/RCTEventEmitter.h>)
+#import <React/RCTEventEmitter.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTEventEmitter.h"
+#endif
+#if __has_include(<React/RCTBridgeModule.h>)
+#import <React/RCTBridgeModule.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTBridgeModule.h"
+#endif
 
 @interface RNFirebaseAuth : RCTEventEmitter <RCTBridgeModule> {
     FIRAuthStateDidChangeListenerHandle authListenerHandle;

ios/RNFirebase/RNFirebaseCrash.h

@@ -1,7 +1,11 @@
 #ifndef RNFirebaseCrash_h
 #define RNFirebaseCrash_h
 
+#if __has_include(<React/RCTBridgeModule.h>)
+#import <React/RCTBridgeModule.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTBridgeModule.h"
+#endif
 
 @interface RNFirebaseCrash : NSObject <RCTBridgeModule> {
 

ios/RNFirebase/RNFirebaseDatabase.h

@@ -2,8 +2,16 @@
 #define RNFirebaseDatabase_h
 
 #import "Firebase.h"
+#if __has_include(<React/RCTEventEmitter.h>)
+#import <React/RCTEventEmitter.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTEventEmitter.h"
+#endif
+#if __has_include(<React/RCTBridgeModule.h>)
+#import <React/RCTBridgeModule.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTBridgeModule.h"
+#endif
 
 @interface RNFirebaseDatabase : RCTEventEmitter <RCTBridgeModule> {
 

ios/RNFirebase/RNFirebaseErrors.h

@@ -1,7 +1,11 @@
 #ifndef RNFirebaseErrors_h
 #define RNFirebaseErrors_h
 
+#if __has_include(<React/RCTBridgeModule.h>)
+#import <React/RCTBridgeModule.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTBridgeModule.h"
+#endif
 #import "Firebase.h"
 
 @interface RNFirebaseErrors : NSObject <RCTBridgeModule> {

ios/RNFirebase/RNFirebaseMessaging.h

@@ -5,9 +5,22 @@
 #import <UIKit/UIKit.h>
 
 #import "Firebase.h"
+
+#if __has_include(<React/RCTEventEmitter.h>)
+#import <React/RCTEventEmitter.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTEventEmitter.h"
+#endif
+#if __has_include(<React/RCTBridgeModule.h>)
+#import <React/RCTBridgeModule.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTBridgeModule.h"
+#endif
+#if __has_include(<React/RCTUtils.h>)
+#import <React/RCTUtils.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTUtils.h"
+#endif
 
 @import UserNotifications;
 

ios/RNFirebase/RNFirebaseMessaging.m

@@ -1,8 +1,20 @@
 #import "RNFirebaseMessaging.h"
 
-#import <React/RCTConvert.h>
+#if __has_include(<React/RCTEventDispatcher.h>)
 #import <React/RCTEventDispatcher.h>
+#else // Compatibility for RN version < 0.40
+#import "RCTEventDispatcher.h"
+#endif
+#if __has_include(<React/RCTConvert.h>)
+#import <React/RCTConvert.h>
+#else // Compatibility for RN version < 0.40
+#import "RCTConvert.h"
+#endif
+#if __has_include(<React/RCTUtils.h>)
 #import <React/RCTUtils.h>
+#else // Compatibility for RN version < 0.40
+#import "RCTUtils.h"
+#endif
 
 @import UserNotifications;
 #import <FirebaseMessaging/FirebaseMessaging.h>

ios/RNFirebase/RNFirebaseStorage.h

@@ -2,8 +2,16 @@
 #define RNFirebaseStorage_h
 
 #import "Firebase.h"
-#import "RCTBridgeModule.h"
+#if __has_include(<React/RCTEventEmitter.h>)
+#import <React/RCTEventEmitter.h>
+#else // Compatibility for RN version < 0.40
 #import "RCTEventEmitter.h"
+#endif
+#if __has_include(<React/RCTBridgeModule.h>)
+#import <React/RCTBridgeModule.h>
+#else // Compatibility for RN version < 0.40
+#import "RCTBridgeModule.h"
+#endif
 
 @interface RNFirebaseStorage : RCTEventEmitter <RCTBridgeModule> {