diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 000000000..680fd53d5
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,16 @@
+# editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.js]
+indent_size = 2
diff --git a/ios/RNAdMobInterstitial.m b/ios/RNAdMobInterstitial.m
index 357979340..203851058 100644
--- a/ios/RNAdMobInterstitial.m
+++ b/ios/RNAdMobInterstitial.m
@@ -13,137 +13,144 @@
 static NSString *const kEventAdClosed = @"adClosed";
 static NSString *const kEventAdLeftApplication = @"adLeftApplication";
 
-@implementation RNAdMobInterstitial {
-  GADInterstitial  *_interstitial;
-  NSString *_adUnitID;
-  NSArray *_testDevices;
-  RCTPromiseResolveBlock _requestAdResolve;
-  RCTPromiseRejectBlock _requestAdReject;
-  BOOL hasListeners;
+@implementation RNAdMobInterstitial
+{
+    GADInterstitial  *_interstitial;
+    NSString *_adUnitID;
+    NSArray *_testDevices;
+    RCTPromiseResolveBlock _requestAdResolve;
+    RCTPromiseRejectBlock _requestAdReject;
+    BOOL hasListeners;
 }
 
 - (dispatch_queue_t)methodQueue
 {
-  return dispatch_get_main_queue();
+    return dispatch_get_main_queue();
 }
 
 RCT_EXPORT_MODULE();
 
 - (NSArray<NSString *> *)supportedEvents
 {
-  return @[
-           kEventAdLoaded,
-           kEventAdFailedToLoad,
-           kEventAdOpened,
-           kEventAdFailedToOpen,
-           kEventAdClosed,
-           kEventAdLeftApplication ];
+    return @[
+             kEventAdLoaded,
+             kEventAdFailedToLoad,
+             kEventAdOpened,
+             kEventAdFailedToOpen,
+             kEventAdClosed,
+             kEventAdLeftApplication ];
 }
 
 #pragma mark exported methods
 
 RCT_EXPORT_METHOD(setAdUnitID:(NSString *)adUnitID)
 {
-  _adUnitID = adUnitID;
+    _adUnitID = adUnitID;
 }
 
 RCT_EXPORT_METHOD(setTestDevices:(NSArray *)testDevices)
 {
-  _testDevices = testDevices;
+    _testDevices = testDevices;
 }
 
 RCT_EXPORT_METHOD(requestAd:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
 {
-  _requestAdResolve = nil;
-  _requestAdReject = nil;
+    _requestAdResolve = nil;
+    _requestAdReject = nil;
 
-  if ([_interstitial hasBeenUsed] || _interstitial == nil) {
-    _requestAdResolve = resolve;
-    _requestAdReject = reject;
+    if ([_interstitial hasBeenUsed] || _interstitial == nil) {
+        _requestAdResolve = resolve;
+        _requestAdReject = reject;
 
-    _interstitial = [[GADInterstitial alloc] initWithAdUnitID:_adUnitID];
-    _interstitial.delegate = self;
+        _interstitial = [[GADInterstitial alloc] initWithAdUnitID:_adUnitID];
+        _interstitial.delegate = self;
 
-    GADRequest *request = [GADRequest request];
-    request.testDevices = _testDevices;
-    [_interstitial loadRequest:request];
-  } else {
-    reject(@"E_AD_ALREADY_LOADED", @"Ad is already loaded.", nil);
-  }
+        GADRequest *request = [GADRequest request];
+        request.testDevices = _testDevices;
+        [_interstitial loadRequest:request];
+    } else {
+        reject(@"E_AD_ALREADY_LOADED", @"Ad is already loaded.", nil);
+    }
 }
 
 RCT_EXPORT_METHOD(showAd:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
 {
-  if ([_interstitial isReady]) {
-    [_interstitial presentFromRootViewController:[UIApplication sharedApplication].delegate.window.rootViewController];
-    resolve(nil);
-  }
-  else {
-    reject(@"E_AD_NOT_READY", @"Ad is not ready.", nil);
-  }
+    if ([_interstitial isReady]) {
+        [_interstitial presentFromRootViewController:[UIApplication sharedApplication].delegate.window.rootViewController];
+        resolve(nil);
+    }
+    else {
+        reject(@"E_AD_NOT_READY", @"Ad is not ready.", nil);
+    }
 }
 
 RCT_EXPORT_METHOD(isReady:(RCTResponseSenderBlock)callback)
 {
-  callback(@[[NSNumber numberWithBool:[_interstitial isReady]]]);
+    callback(@[[NSNumber numberWithBool:[_interstitial isReady]]]);
 }
 
 - (NSDictionary<NSString *,id> *)constantsToExport
 {
-  return @{
-           @"simulatorId": kGADSimulatorID
-           };
+    return @{
+             @"simulatorId": kGADSimulatorID
+             };
 }
 
 - (void)startObserving
 {
-  hasListeners = YES;
+    hasListeners = YES;
 }
 
 - (void)stopObserving
 {
-  hasListeners = NO;
+    hasListeners = NO;
 }
 
 #pragma mark GADInterstitialDelegate
 
-- (void)interstitialDidReceiveAd:(__unused GADInterstitial *)ad {
-  if (hasListeners) {
-    [self sendEventWithName:kEventAdLoaded body:nil];
-  }
-  _requestAdResolve(nil);
+- (void)interstitialDidReceiveAd:(__unused GADInterstitial *)ad
+{
+    if (hasListeners) {
+        [self sendEventWithName:kEventAdLoaded body:nil];
+    }
+    _requestAdResolve(nil);
 }
 
-- (void)interstitial:(__unused GADInterstitial *)interstitial didFailToReceiveAdWithError:(GADRequestError *)error {
-  if (hasListeners) {
-    NSDictionary *jsError = RCTJSErrorFromCodeMessageAndNSError(@"E_AD_REQUEST_FAILED", error.localizedDescription, error);
-    [self sendEventWithName:kEventAdFailedToLoad body:jsError];
-  }
-  _requestAdReject(@"E_AD_REQUEST_FAILED", error.localizedDescription, error);
+- (void)interstitial:(__unused GADInterstitial *)interstitial didFailToReceiveAdWithError:(GADRequestError *)error
+{
+    if (hasListeners) {
+        NSDictionary *jsError = RCTJSErrorFromCodeMessageAndNSError(@"E_AD_REQUEST_FAILED", error.localizedDescription, error);
+        [self sendEventWithName:kEventAdFailedToLoad body:jsError];
+    }
+    _requestAdReject(@"E_AD_REQUEST_FAILED", error.localizedDescription, error);
 }
 
-- (void)interstitialWillPresentScreen:(__unused GADInterstitial *)ad {
-  if (hasListeners){
-    [self sendEventWithName:kEventAdOpened body:nil];
-  }
+- (void)interstitialWillPresentScreen:(__unused GADInterstitial *)ad
+{
+    if (hasListeners){
+        [self sendEventWithName:kEventAdOpened body:nil];
+    }
 }
 
-- (void)interstitialDidFailToPresentScreen:(__unused GADInterstitial *)ad {
-  if (hasListeners){
-    [self sendEventWithName:kEventAdFailedToOpen body:nil];
-  }
+- (void)interstitialDidFailToPresentScreen:(__unused GADInterstitial *)ad
+{
+    if (hasListeners){
+        [self sendEventWithName:kEventAdFailedToOpen body:nil];
+    }
 }
 
-- (void)interstitialWillDismissScreen:(__unused GADInterstitial *)ad {
-  if (hasListeners) {
-    [self sendEventWithName:kEventAdClosed body:nil];
-  }
+- (void)interstitialWillDismissScreen:(__unused GADInterstitial *)ad
+{
+    if (hasListeners) {
+        [self sendEventWithName:kEventAdClosed body:nil];
+    }
 }
 
-- (void)interstitialWillLeaveApplication:(__unused GADInterstitial *)ad {
-  if (hasListeners) {
-    [self sendEventWithName:kEventAdLeftApplication body:nil];
-  }
+- (void)interstitialWillLeaveApplication:(__unused GADInterstitial *)ad
+{
+    if (hasListeners) {
+        [self sendEventWithName:kEventAdLeftApplication body:nil];
+    }
 }
 
 @end
diff --git a/ios/RNAdMobManager.xcodeproj/project.pbxproj b/ios/RNAdMobManager.xcodeproj/project.pbxproj
index 663a3c429..3a81209c1 100644
--- a/ios/RNAdMobManager.xcodeproj/project.pbxproj
+++ b/ios/RNAdMobManager.xcodeproj/project.pbxproj
@@ -38,7 +38,7 @@
 		A90F2F8A1D50AEF200F2A2E3 /* RNAdMobRewarded.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RNAdMobRewarded.h; sourceTree = SOURCE_ROOT; };
 		A90F2F8B1D50AEF200F2A2E3 /* RNAdMobRewarded.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RNAdMobRewarded.m; sourceTree = SOURCE_ROOT; };
 		A962C2511CB27DBD00E508A1 /* RNAdMobInterstitial.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RNAdMobInterstitial.h; sourceTree = SOURCE_ROOT; };
-		A962C2521CB27DBD00E508A1 /* RNAdMobInterstitial.m */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 2; lastKnownFileType = sourcecode.c.objc; path = RNAdMobInterstitial.m; sourceTree = SOURCE_ROOT; };
+		A962C2521CB27DBD00E508A1 /* RNAdMobInterstitial.m */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 4; lastKnownFileType = sourcecode.c.objc; path = RNAdMobInterstitial.m; sourceTree = SOURCE_ROOT; };
 		A96DA7741C146D7200FC639B /* libRNAdMobManager.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libRNAdMobManager.a; sourceTree = BUILT_PRODUCTS_DIR; };
 		A96DA7801C146DA600FC639B /* RNGADBannerView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RNGADBannerView.h; sourceTree = SOURCE_ROOT; };
 		A96DA7811C146DA600FC639B /* RNGADBannerView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RNGADBannerView.m; sourceTree = SOURCE_ROOT; };
diff --git a/ios/RNAdMobRewarded.m b/ios/RNAdMobRewarded.m
index 1a68cda9a..0d9f8a8a3 100644
--- a/ios/RNAdMobRewarded.m
+++ b/ios/RNAdMobRewarded.m
@@ -14,7 +14,8 @@
 static NSString *const kEventRewarded = @"rewarded";
 static NSString *const kEventVideoStarted = @"videoStarted";
 
-@implementation RNAdMobRewarded {
+@implementation RNAdMobRewarded
+{
     NSString *_adUnitID;
     NSArray *_testDevices;
     RCTPromiseResolveBlock _requestAdResolve;
@@ -57,7 +58,7 @@ - (dispatch_queue_t)methodQueue
 {
     _requestAdResolve = resolve;
     _requestAdReject = reject;
-    
+
     [GADRewardBasedVideoAd sharedInstance].delegate = self;
     GADRequest *request = [GADRequest request];
     request.testDevices = _testDevices;
@@ -109,39 +110,45 @@ - (void)rewardBasedVideoAd:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd
     }
 }
 
-- (void)rewardBasedVideoAdDidReceiveAd:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd {
+- (void)rewardBasedVideoAdDidReceiveAd:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd
+{
     if (hasListeners) {
         [self sendEventWithName:kEventAdLoaded body:nil];
     }
     _requestAdResolve(nil);
 }
 
-- (void)rewardBasedVideoAdDidOpen:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd {
+- (void)rewardBasedVideoAdDidOpen:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd
+{
     if (hasListeners) {
         [self sendEventWithName:kEventAdOpened body:nil];
     }
 }
 
-- (void)rewardBasedVideoAdDidStartPlaying:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd {
+- (void)rewardBasedVideoAdDidStartPlaying:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd
+{
     if (hasListeners) {
         [self sendEventWithName:kEventVideoStarted body:nil];
     }
 }
 
-- (void)rewardBasedVideoAdDidClose:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd {
+- (void)rewardBasedVideoAdDidClose:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd
+{
     if (hasListeners) {
         [self sendEventWithName:kEventAdClosed body:nil];
     }
 }
 
-- (void)rewardBasedVideoAdWillLeaveApplication:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd {
+- (void)rewardBasedVideoAdWillLeaveApplication:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd
+{
     if (hasListeners) {
         [self sendEventWithName:kEventAdLeftApplication body:nil];
     }
 }
 
 - (void)rewardBasedVideoAd:(__unused GADRewardBasedVideoAd *)rewardBasedVideoAd
-    didFailToLoadWithError:(NSError *)error {
+    didFailToLoadWithError:(NSError *)error
+{
     if (hasListeners) {
         NSDictionary *jsError = RCTJSErrorFromCodeMessageAndNSError(@"E_AD_FAILED_TO_LOAD", error.localizedDescription, error);
         [self sendEventWithName:kEventAdFailedToLoad body:jsError];
diff --git a/ios/RNDFPBannerView.m b/ios/RNDFPBannerView.m
index 334ca6fc9..2454dd545 100644
--- a/ios/RNDFPBannerView.m
+++ b/ios/RNDFPBannerView.m
@@ -26,10 +26,10 @@ - (instancetype)initWithFrame:(CGRect)frame
 {
     if ((self = [super initWithFrame:frame])) {
         super.backgroundColor = [UIColor clearColor];
-        
+
         UIWindow *keyWindow = [[UIApplication sharedApplication] keyWindow];
         UIViewController *rootViewController = [keyWindow rootViewController];
-        
+
         _bannerView = [[DFPBannerView alloc] initWithAdSize:kGADAdSizeBanner];
         _bannerView.delegate = self;
         _bannerView.adSizeDelegate = self;
@@ -37,7 +37,7 @@ - (instancetype)initWithFrame:(CGRect)frame
         _bannerView.rootViewController = rootViewController;
         [self addSubview:_bannerView];
     }
-    
+
     return self;
 }
 
@@ -70,11 +70,12 @@ -(void)layoutSubviews
 # pragma mark GADBannerViewDelegate
 
 /// Tells the delegate an ad request loaded an ad.
-- (void)adViewDidReceiveAd:(DFPBannerView *)adView {
+- (void)adViewDidReceiveAd:(DFPBannerView *)adView
+{
     if (self.onSizeChange) {
-      self.onSizeChange(@{
-                          @"width": @(adView.frame.size.width),
-                          @"height": @(adView.frame.size.height) });
+        self.onSizeChange(@{
+                            @"width": @(adView.frame.size.width),
+                            @"height": @(adView.frame.size.height) });
     }
     if (self.onAdLoaded) {
         self.onAdLoaded(@{});
@@ -83,7 +84,8 @@ - (void)adViewDidReceiveAd:(DFPBannerView *)adView {
 
 /// Tells the delegate an ad request failed.
 - (void)adView:(DFPBannerView *)adView
-didFailToReceiveAdWithError:(GADRequestError *)error {
+didFailToReceiveAdWithError:(GADRequestError *)error
+{
     if (self.onAdFailedToLoad) {
         self.onAdFailedToLoad(@{ @"error": @{ @"message": [error localizedDescription] } });
     }
@@ -91,22 +93,25 @@ - (void)adView:(DFPBannerView *)adView
 
 /// Tells the delegate that a full screen view will be presented in response
 /// to the user clicking on an ad.
-- (void)adViewWillPresentScreen:(DFPBannerView *)adView {
+- (void)adViewWillPresentScreen:(DFPBannerView *)adView
+{
     if (self.onAdOpened) {
         self.onAdOpened(@{});
     }
 }
 
- /// Tells the delegate that the full screen view will be dismissed.
- - (void)adViewWillDismissScreen:(__unused DFPBannerView *)adView {
-     if (self.onAdClosed) {
-         self.onAdClosed(@{});
-     }
- }
+/// Tells the delegate that the full screen view will be dismissed.
+- (void)adViewWillDismissScreen:(__unused DFPBannerView *)adView
+{
+    if (self.onAdClosed) {
+        self.onAdClosed(@{});
+    }
+}
 
 /// Tells the delegate that a user click will open another app (such as
 /// the App Store), backgrounding the current app.
-- (void)adViewWillLeaveApplication:(DFPBannerView *)adView {
+- (void)adViewWillLeaveApplication:(DFPBannerView *)adView
+{
     if (self.onAdLeftApplication) {
         self.onAdLeftApplication(@{});
     }
diff --git a/ios/RNGADBannerView.m b/ios/RNGADBannerView.m
index 690b5a7b5..e0a780bb3 100644
--- a/ios/RNGADBannerView.m
+++ b/ios/RNGADBannerView.m
@@ -34,7 +34,8 @@ - (instancetype)initWithFrame:(CGRect)frame
     return self;
 }
 
-- (void)loadBanner {
+- (void)loadBanner
+{
     if(self.onSizeChange) {
         CGSize size = CGSizeFromGADAdSize(_bannerView.adSize);
         if(!CGSizeEqualToSize(size, self.bounds.size)) {
@@ -58,7 +59,8 @@ -(void)layoutSubviews
 # pragma mark GADBannerViewDelegate
 
 /// Tells the delegate an ad request loaded an ad.
-- (void)adViewDidReceiveAd:(__unused GADBannerView *)adView {
+- (void)adViewDidReceiveAd:(__unused GADBannerView *)adView
+{
    if (self.onAdLoaded) {
        self.onAdLoaded(@{});
    }
@@ -66,7 +68,8 @@ - (void)adViewDidReceiveAd:(__unused GADBannerView *)adView {
 
 /// Tells the delegate an ad request failed.
 - (void)adView:(__unused GADBannerView *)adView
-didFailToReceiveAdWithError:(GADRequestError *)error {
+didFailToReceiveAdWithError:(GADRequestError *)error
+{
     if (self.onAdFailedToLoad) {
         self.onAdFailedToLoad(@{ @"error": @{ @"message": [error localizedDescription] } });
     }
@@ -74,22 +77,25 @@ - (void)adView:(__unused GADBannerView *)adView
 
 /// Tells the delegate that a full screen view will be presented in response
 /// to the user clicking on an ad.
-- (void)adViewWillPresentScreen:(__unused GADBannerView *)adView {
+- (void)adViewWillPresentScreen:(__unused GADBannerView *)adView
+{
     if (self.onAdOpened) {
         self.onAdOpened(@{});
     }
 }
 
- /// Tells the delegate that the full screen view will be dismissed.
- - (void)adViewWillDismissScreen:(__unused GADBannerView *)adView {
-     if (self.onAdClosed) {
-         self.onAdClosed(@{});
-     }
+/// Tells the delegate that the full screen view will be dismissed.
+- (void)adViewWillDismissScreen:(__unused GADBannerView *)adView
+{
+    if (self.onAdClosed) {
+        self.onAdClosed(@{});
+    }
 }
 
 /// Tells the delegate that a user click will open another app (such as
 /// the App Store), backgrounding the current app.
-- (void)adViewWillLeaveApplication:(__unused GADBannerView *)adView {
+- (void)adViewWillLeaveApplication:(__unused GADBannerView *)adView
+{
     if (self.onAdLeftApplication) {
         self.onAdLeftApplication(@{});
     }