Convert alloc/init to new to please linter

Examples/SampleApp/iOS/SampleApp/AppDelegate.m

@@ -50,7 +50,7 @@
                                                    launchOptions:launchOptions];
 
   self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
-  UIViewController *rootViewController = [[UIViewController alloc] init];
+  UIViewController *rootViewController = [UIViewController new];
   rootViewController.view = rootView;
   self.window.rootViewController = rootViewController;
   [self.window makeKeyAndVisible];

Examples/UIExplorer/UIExplorer/AppDelegate.m

@@ -34,7 +34,7 @@
                                             initialProperties:nil];
 
   self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
-  UIViewController *rootViewController = [[UIViewController alloc] init];
+  UIViewController *rootViewController = [UIViewController new];
   rootViewController.view = rootView;
   self.window.rootViewController = rootViewController;
   [self.window makeKeyAndVisible];

Examples/UIExplorer/UIExplorerIntegrationTests/RCTUIManagerScenarioTests.m

@@ -45,11 +45,11 @@
 {
   [super setUp];
 
-  _uiManager = [[RCTUIManager alloc] init];
+  _uiManager = [RCTUIManager new];
 
   // Register 20 views to use in the tests
   for (NSInteger i = 1; i <= 20; i++) {
-    UIView *registeredView = [[UIView alloc] init];
+    UIView *registeredView = [UIView new];
     [registeredView setReactTag:@(i)];
     _uiManager.viewRegistry[i] = registeredView;
   }

Examples/UIExplorer/UIExplorerUnitTests/RCTAllocationTests.m

@@ -94,7 +94,7 @@ RCT_EXPORT_METHOD(test:(__unused NSString *)a
 
 - (void)testModulesAreInvalidated
 {
-  AllocationTestModule *module = [[AllocationTestModule alloc] init];
+  AllocationTestModule *module = [AllocationTestModule new];
   @autoreleasepool {
     RCTBridge *bridge = [[RCTBridge alloc] initWithBundleURL:nil
                                               moduleProvider:^{
@@ -113,7 +113,7 @@ RCT_EXPORT_METHOD(test:(__unused NSString *)a
 {
   __weak AllocationTestModule *weakModule;
   @autoreleasepool {
-    AllocationTestModule *module = [[AllocationTestModule alloc] init];
+    AllocationTestModule *module = [AllocationTestModule new];
     RCTBridge *bridge = [[RCTBridge alloc] initWithBundleURL:nil
                                 moduleProvider:^{
                                   return @[module];

Examples/UIExplorer/UIExplorerUnitTests/RCTCacheTests.m

@@ -37,7 +37,7 @@
 
 - (void)setUp
 {
-  self.cache = [[RCTCache alloc] init];
+  self.cache = [RCTCache new];
   self.cache.countLimit = 3;
   self.cache.totalCostLimit = 100;
 }

Examples/UIExplorer/UIExplorerUnitTests/RCTContextExecutorTests.m

@@ -33,7 +33,7 @@
 - (void)setUp
 {
   [super setUp];
-  _executor = [[RCTContextExecutor alloc] init];
+  _executor = [RCTContextExecutor new];
   [_executor setUp];
 }
 
@@ -129,7 +129,7 @@ static uint64_t _get_time_nanoseconds(void)
   ";
 
   [_executor executeApplicationScript:script sourceURL:[NSURL URLWithString:@"http://localhost:8081/"] onComplete:^(__unused NSError *error) {
-    NSMutableArray *params = [[NSMutableArray alloc] init];
+    NSMutableArray *params = [NSMutableArray new];
     id data = @1;
     for (int i = 0; i < 4; i++) {
       double samples[runs / frequency];

Examples/UIExplorer/UIExplorerUnitTests/RCTEventDispatcherTests.m

@@ -61,7 +61,7 @@
   [super setUp];
 
   _bridge = [OCMockObject mockForClass:[RCTBridge class]];
-  _eventDispatcher = [[RCTEventDispatcher alloc] init];
+  _eventDispatcher = [RCTEventDispatcher new];
   ((id<RCTBridgeModule>)_eventDispatcher).bridge = _bridge;
 
   _eventName = RCTNormalizeInputEventName(@"sampleEvent");

Examples/UIExplorer/UIExplorerUnitTests/RCTGzipTests.m

@@ -67,7 +67,7 @@ extern BOOL RCTIsGzippedData(NSData *data);
                           @"headers": @{@"Content-Encoding": @"gzip"},
                           };
 
-  RCTNetworking *networker = [[RCTNetworking alloc] init];
+  RCTNetworking *networker = [RCTNetworking new];
   __block NSURLRequest *request = nil;
   [networker buildRequest:query completionBlock:^(NSURLRequest *_request) {
     request = _request;

Examples/UIExplorer/UIExplorerUnitTests/RCTShadowViewTests.m

@@ -99,7 +99,7 @@
 
 - (RCTShadowView *)_shadowViewWithStyle:(void(^)(css_style_t *style))styleBlock
 {
-  RCTShadowView *shadowView = [[RCTShadowView alloc] init];
+  RCTShadowView *shadowView = [RCTShadowView new];
 
   css_style_t style = shadowView.cssNode->style;
   styleBlock(&style);

Examples/UIExplorer/UIExplorerUnitTests/RCTSparseArrayTests.m

@@ -25,13 +25,13 @@
 
 - (void)testDictionary
 {
-  id<RCTComponent> myView = [[UIView alloc] init];
+  id<RCTComponent> myView = [UIView new];
   myView.reactTag = @4;
 
-  id<RCTComponent> myOtherView = [[UIView alloc] init];
+  id<RCTComponent> myOtherView = [UIView new];
   myOtherView.reactTag = @5;
 
-  RCTSparseArray *registry = [[RCTSparseArray alloc] init];
+  RCTSparseArray *registry = [RCTSparseArray new];
   XCTAssertNil(registry[@4], @"how did you have a view when none are registered?");
   XCTAssertNil(registry[@5], @"how did you have a view when none are registered?");
 

Examples/UIExplorer/UIExplorerUnitTests/RCTUIManagerTests.m

@@ -44,11 +44,11 @@
 {
   [super setUp];
 
-  _uiManager = [[RCTUIManager alloc] init];
+  _uiManager = [RCTUIManager new];
 
   // Register 20 views to use in the tests
   for (NSInteger i = 1; i <= 20; i++) {
-    UIView *registeredView = [[UIView alloc] init];
+    UIView *registeredView = [UIView new];
     [registeredView setReactTag:@(i)];
     _uiManager.viewRegistry[i] = registeredView;
   }

Libraries/ActionSheetIOS/RCTActionSheetManager.m

@@ -27,7 +27,7 @@ RCT_EXPORT_MODULE()
 - (instancetype)init
 {
   if ((self = [super init])) {
-    _callbacks = [[NSMutableDictionary alloc] init];
+    _callbacks = [NSMutableDictionary new];
   }
   return self;
 }
@@ -41,7 +41,7 @@ RCT_EXPORT_METHOD(showActionSheetWithOptions:(NSDictionary *)options
                   failureCallback:(__unused RCTResponseSenderBlock)failureCallback
                   successCallback:(RCTResponseSenderBlock)successCallback)
 {
-  UIActionSheet *actionSheet = [[UIActionSheet alloc] init];
+  UIActionSheet *actionSheet = [UIActionSheet new];
 
   actionSheet.title = options[@"title"];
 

Libraries/Geolocation/RCTLocationObserver.m

@@ -115,11 +115,11 @@ RCT_EXPORT_MODULE()
 {
   if ((self = [super init])) {
 
-    _locationManager = [[CLLocationManager alloc] init];
+    _locationManager = [CLLocationManager new];
     _locationManager.distanceFilter = RCT_DEFAULT_LOCATION_ACCURACY;
     _locationManager.delegate = self;
 
-    _pendingRequests = [[NSMutableArray alloc] init];
+    _pendingRequests = [NSMutableArray new];
   }
   return self;
 }
@@ -231,7 +231,7 @@ RCT_EXPORT_METHOD(getCurrentPosition:(RCTLocationOptions)options
   }
 
   // Create request
-  RCTLocationRequest *request = [[RCTLocationRequest alloc] init];
+  RCTLocationRequest *request = [RCTLocationRequest new];
   request.successBlock = successBlock;
   request.errorBlock = errorBlock ?: ^(NSArray *args){};
   request.options = options;

Libraries/Image/RCTCameraRollManager.m

@@ -94,7 +94,7 @@ RCT_EXPORT_METHOD(getPhotos:(NSDictionary *)params
   BOOL __block foundAfter = NO;
   BOOL __block hasNextPage = NO;
   BOOL __block calledCallback = NO;
-  NSMutableArray *assets = [[NSMutableArray alloc] init];
+  NSMutableArray *assets = [NSMutableArray new];
 
   [_bridge.assetsLibrary enumerateGroupsWithTypes:groupTypes usingBlock:^(ALAssetsGroup *group, BOOL *stopGroups) {
     if (group && (groupName == nil || [groupName isEqualToString:[group valueForProperty:ALAssetsGroupPropertyName]])) {

Libraries/Image/RCTImageDownloader.m

@@ -30,7 +30,7 @@ RCT_EXPORT_MODULE()
   static RCTImageDownloader *sharedInstance;
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    sharedInstance = [[RCTImageDownloader alloc] init];
+    sharedInstance = [RCTImageDownloader new];
   });
   return sharedInstance;
 }

Libraries/Image/RCTImageLoader.m

@@ -114,7 +114,7 @@ static UIImage *RCTScaledImageForAsset(ALAssetRepresentation *representation,
 - (ALAssetsLibrary *)assetsLibrary
 {
   if (!_assetsLibrary) {
-    _assetsLibrary = [[ALAssetsLibrary alloc] init];
+    _assetsLibrary = [ALAssetsLibrary new];
   }
   return _assetsLibrary;
 }
@@ -181,7 +181,7 @@ static UIImage *RCTScaledImageForAsset(ALAssetRepresentation *representation,
 
     PHAsset *asset = [results firstObject];
 
-    PHImageRequestOptions *imageOptions = [[PHImageRequestOptions alloc] init];
+    PHImageRequestOptions *imageOptions = [PHImageRequestOptions new];
 
     BOOL useMaximumSize = CGSizeEqualToSize(size, CGSizeZero);
     CGSize targetSize;

Libraries/Image/RCTImagePickerManager.m

@@ -31,9 +31,9 @@ RCT_EXPORT_MODULE(ImagePickerIOS);
 - (instancetype)init
 {
   if ((self = [super init])) {
-    _pickers = [[NSMutableArray alloc] init];
-    _pickerCallbacks = [[NSMutableArray alloc] init];
-    _pickerCancelCallbacks = [[NSMutableArray alloc] init];
+    _pickers = [NSMutableArray new];
+    _pickerCallbacks = [NSMutableArray new];
+    _pickerCancelCallbacks = [NSMutableArray new];
   }
   return self;
 }
@@ -56,7 +56,7 @@ RCT_EXPORT_METHOD(openCameraDialog:(NSDictionary *)config
   UIWindow *keyWindow = [[UIApplication sharedApplication] keyWindow];
   UIViewController *rootViewController = keyWindow.rootViewController;
 
-  UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
+  UIImagePickerController *imagePicker = [UIImagePickerController new];
   imagePicker.delegate = self;
   imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
 
@@ -78,11 +78,11 @@ RCT_EXPORT_METHOD(openSelectDialog:(NSDictionary *)config
   UIWindow *keyWindow = [[UIApplication sharedApplication] keyWindow];
   UIViewController *rootViewController = keyWindow.rootViewController;
 
-  UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
+  UIImagePickerController *imagePicker = [UIImagePickerController new];
   imagePicker.delegate = self;
   imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
 
-  NSMutableArray *allowedTypes = [[NSMutableArray alloc] init];
+  NSMutableArray *allowedTypes = [NSMutableArray new];
   if ([config[@"showImages"] boolValue]) {
     [allowedTypes addObject:(NSString *)kUTTypeImage];
   }

Libraries/Image/RCTImageStoreManager.m

@@ -26,7 +26,7 @@ RCT_EXPORT_MODULE()
   if ((self = [super init])) {
 
     // TODO: need a way to clear this store
-    _store = [[NSMutableDictionary alloc] init];
+    _store = [NSMutableDictionary new];
   }
   return self;
 }

Libraries/Network/RCTDownloadTask.m

@@ -101,7 +101,7 @@ RCT_NOT_IMPLEMENTED(-init)
 {
   if ([self validateRequestToken:requestToken]) {
     if (!_data) {
-      _data = [[NSMutableData alloc] init];
+      _data = [NSMutableData new];
     }
     [_data appendData:data];
     if (_incrementalDataBlock) {

Libraries/Network/RCTHTTPRequestHandler.m

@@ -55,7 +55,7 @@ RCT_EXPORT_MODULE()
 {
   // Lazy setup
   if (!_session && [self isValid]) {
-    NSOperationQueue *callbackQueue = [[NSOperationQueue alloc] init];
+    NSOperationQueue *callbackQueue = [NSOperationQueue new];
     NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
     _session = [NSURLSession sessionWithConfiguration:configuration
                                              delegate:self

Libraries/Network/RCTNetworking.m

@@ -65,7 +65,7 @@ static NSString *RCTGenerateFormBoundary()
 
   parts = [formData mutableCopy];
   _callback = callback;
-  multipartBody = [[NSMutableData alloc] init];
+  multipartBody = [NSMutableData new];
   boundary = RCTGenerateFormBoundary();
 
   return [_networker processDataForHTTPQuery:parts[0] callback:^(NSError *error, NSDictionary *result) {
@@ -132,7 +132,7 @@ RCT_EXPORT_MODULE()
 - (instancetype)init
 {
   if ((self = [super init])) {
-    _tasksByRequestID = [[NSMutableDictionary alloc] init];
+    _tasksByRequestID = [NSMutableDictionary new];
   }
   return self;
 }
@@ -248,7 +248,7 @@ RCT_EXPORT_MODULE()
   }
   NSDictionaryArray *formData = [RCTConvert NSDictionaryArray:query[@"formData"]];
   if (formData) {
-    RCTHTTPFormDataHelper *formDataHelper = [[RCTHTTPFormDataHelper alloc] init];
+    RCTHTTPFormDataHelper *formDataHelper = [RCTHTTPFormDataHelper new];
     formDataHelper.networker = self;
     return [formDataHelper process:formData callback:callback];
   }

Libraries/PushNotificationIOS/RCTPushNotificationManager.m

@@ -32,7 +32,7 @@ NSString *const RCTRemoteNotificationsRegistered = @"RemoteNotificationsRegister
 + (UILocalNotification *)UILocalNotification:(id)json
 {
   NSDictionary *details = [self NSDictionary:json];
-  UILocalNotification *notification = [[UILocalNotification alloc] init];
+  UILocalNotification *notification = [UILocalNotification new];
   notification.fireDate = [RCTConvert NSDate:details[@"fireDate"]] ?: [NSDate date];
   notification.alertBody = [RCTConvert NSString:details[@"alertBody"]];
   return notification;
@@ -186,7 +186,7 @@ RCT_EXPORT_METHOD(checkPermissions:(RCTResponseSenderBlock)callback)
 
   }
 
-  NSMutableDictionary *permissions = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *permissions = [NSMutableDictionary new];
   permissions[@"alert"] = @((types & UIUserNotificationTypeAlert) > 0);
   permissions[@"badge"] = @((types & UIUserNotificationTypeBadge) > 0);
   permissions[@"sound"] = @((types & UIUserNotificationTypeSound) > 0);

Libraries/RCTTest/FBSnapshotTestCase/FBSnapshotTestController.m

@@ -51,7 +51,7 @@ typedef struct RGBAPixel {
 {
     if ((self = [super init])) {
         _testName = [testName copy];
-        _fileManager = [[NSFileManager alloc] init];
+        _fileManager = [NSFileManager new];
     }
     return self;
 }

Libraries/RCTTest/RCTTestRunner.m

@@ -98,7 +98,7 @@ RCT_NOT_IMPLEMENTED(-init)
   testModule.view = rootView;
 
   UIViewController *vc = [UIApplication sharedApplication].delegate.window.rootViewController;
-  vc.view = [[UIView alloc] init];
+  vc.view = [UIView new];
   [vc.view addSubview:rootView]; // Add as subview so it doesn't get resized
 
   NSDate *date = [NSDate dateWithTimeIntervalSinceNow:TIMEOUT_SECONDS];

Libraries/Text/RCTRawTextManager.m

@@ -17,7 +17,7 @@ RCT_EXPORT_MODULE()
 
 - (RCTShadowView *)shadowView
 {
-  return [[RCTShadowRawText alloc] init];
+  return [RCTShadowRawText new];
 }
 
 RCT_EXPORT_SHADOW_PROPERTY(text, NSString)

Libraries/Text/RCTShadowText.m

@@ -111,12 +111,12 @@ static css_dim_t RCTMeasure(void *context, float width)
     return _cachedTextStorage;
   }
 
-  NSLayoutManager *layoutManager = [[NSLayoutManager alloc] init];
+  NSLayoutManager *layoutManager = [NSLayoutManager new];
 
   NSTextStorage *textStorage = [[NSTextStorage alloc] initWithAttributedString:self.attributedString];
   [textStorage addLayoutManager:layoutManager];
 
-  NSTextContainer *textContainer = [[NSTextContainer alloc] init];
+  NSTextContainer *textContainer = [NSTextContainer new];
   textContainer.lineFragmentPadding = 0.0;
   textContainer.lineBreakMode = _numberOfLines > 0 ? NSLineBreakByTruncatingTail : NSLineBreakByClipping;
   textContainer.maximumNumberOfLines = _numberOfLines;
@@ -183,7 +183,7 @@ static css_dim_t RCTMeasure(void *context, float width)
 
   _effectiveLetterSpacing = letterSpacing.doubleValue;
 
-  NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] init];
+  NSMutableAttributedString *attributedString = [NSMutableAttributedString new];
   for (RCTShadowView *child in [self reactSubviews]) {
     if ([child isKindOfClass:[RCTShadowText class]]) {
       RCTShadowText *shadowText = (RCTShadowText *)child;
@@ -265,7 +265,7 @@ static css_dim_t RCTMeasure(void *context, float width)
 
   // if we found anything, set it :D
   if (hasParagraphStyle) {
-    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
+    NSMutableParagraphStyle *paragraphStyle = [NSMutableParagraphStyle new];
     paragraphStyle.alignment = _textAlign;
     paragraphStyle.baseWritingDirection = _writingDirection;
     CGFloat lineHeight = round(_lineHeight * self.fontSizeMultiplier);

Libraries/Text/RCTText.m

@@ -23,7 +23,7 @@
 - (instancetype)initWithFrame:(CGRect)frame
 {
   if ((self = [super initWithFrame:frame])) {
-    _textStorage = [[NSTextStorage alloc] init];
+    _textStorage = [NSTextStorage new];
     _reactSubviews = [NSMutableArray array];
 
     self.isAccessibilityElement = YES;

Libraries/Text/RCTTextField.m

@@ -31,7 +31,7 @@
     [self addTarget:self action:@selector(textFieldBeginEditing) forControlEvents:UIControlEventEditingDidBegin];
     [self addTarget:self action:@selector(textFieldEndEditing) forControlEvents:UIControlEventEditingDidEnd];
     [self addTarget:self action:@selector(textFieldSubmitEditing) forControlEvents:UIControlEventEditingDidEndOnExit];
-    _reactSubviews = [[NSMutableArray alloc] init];
+    _reactSubviews = [NSMutableArray new];
   }
   return self;
 }

Libraries/Text/RCTTextManager.m

@@ -25,12 +25,12 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  return [[RCTText alloc] init];
+  return [RCTText new];
 }
 
 - (RCTShadowView *)shadowView
 {
-  return [[RCTShadowText alloc] init];
+  return [RCTShadowText new];
 }
 
 #pragma mark - Shadow properties

Libraries/WebSocket/RCTSRWebSocket.m

@@ -297,16 +297,16 @@ RCT_NOT_IMPLEMENTED(-init)
 
   _delegateDispatchQueue = dispatch_get_main_queue();
 
-  _readBuffer = [[NSMutableData alloc] init];
-  _outputBuffer = [[NSMutableData alloc] init];
+  _readBuffer = [NSMutableData new];
+  _outputBuffer = [NSMutableData new];
 
-  _currentFrameData = [[NSMutableData alloc] init];
+  _currentFrameData = [NSMutableData new];
 
-  _consumers = [[NSMutableArray alloc] init];
+  _consumers = [NSMutableArray new];
 
-  _consumerPool = [[RCTSRIOConsumerPool alloc] init];
+  _consumerPool = [RCTSRIOConsumerPool new];
 
-  _scheduledRunloops = [[NSMutableSet alloc] init];
+  _scheduledRunloops = [NSMutableSet new];
 
   [self _initializeStreams];
 
@@ -506,7 +506,7 @@ RCT_NOT_IMPLEMENTED(-init)
 
 
   if (_secure) {
-    NSMutableDictionary *SSLOptions = [[NSMutableDictionary alloc] init];
+    NSMutableDictionary *SSLOptions = [NSMutableDictionary new];
 
     [_outputStream setProperty:(__bridge id)kCFStreamSocketSecurityLevelNegotiatedSSL forKey:(__bridge id)kCFStreamPropertySocketSecurityLevel];
 
@@ -1478,7 +1478,7 @@ static const size_t RCTSRFrameHeaderOverhead = 32;
     consumer = [_bufferedConsumers lastObject];
     [_bufferedConsumers removeLastObject];
   } else {
-    consumer = [[RCTSRIOConsumer alloc] init];
+    consumer = [RCTSRIOConsumer new];
   }
 
   [consumer setupWithScanner:scanner handler:handler bytesNeeded:bytesNeeded readToCurrentFrame:readToCurrentFrame unmaskBytes:unmaskBytes];
@@ -1579,7 +1579,7 @@ static NSRunLoop *networkRunLoop = nil;
 {
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    networkThread = [[_RCTSRRunLoopThread alloc] init];
+    networkThread = [_RCTSRRunLoopThread new];
     networkThread.name = @"com.squareup.SocketRocket.NetworkThread";
     [networkThread start];
     networkRunLoop = networkThread.runLoop;

Libraries/WebSocket/RCTWebSocketExecutor.m

@@ -57,8 +57,8 @@ RCT_EXPORT_MODULE()
   _jsQueue = dispatch_queue_create("com.facebook.React.WebSocketExecutor", DISPATCH_QUEUE_SERIAL);
   _socket = [[RCTSRWebSocket alloc] initWithURL:_url];
   _socket.delegate = self;
-  _callbacks = [[RCTSparseArray alloc] init];
-  _injectedObjects = [[NSMutableDictionary alloc] init];
+  _callbacks = [RCTSparseArray new];
+  _injectedObjects = [NSMutableDictionary new];
   [_socket setDelegateDispatchQueue:_jsQueue];
 
   NSURL *startDevToolsURL = [NSURL URLWithString:@"/launch-chrome-devtools" relativeToURL:_url];

Libraries/WebSocket/RCTWebSocketManager.m

@@ -45,7 +45,7 @@ RCT_EXPORT_MODULE()
 - (instancetype)init
 {
   if ((self = [super init])) {
-    _sockets = [[RCTSparseArray alloc] init];
+    _sockets = [RCTSparseArray new];
   }
   return self;
 }

React/Base/RCTAssert.m

@@ -72,7 +72,7 @@ void RCTPerformBlockWithAssertFunction(void (^block)(void), RCTAssertFunction as
   NSMutableDictionary *threadDictionary = [NSThread currentThread].threadDictionary;
   NSMutableArray *functionStack = threadDictionary[RCTAssertFunctionStack];
   if (!functionStack) {
-    functionStack = [[NSMutableArray alloc] init];
+    functionStack = [NSMutableArray new];
     threadDictionary[RCTAssertFunctionStack] = functionStack;
   }
   [functionStack addObject:assertFunction];

React/Base/RCTBatchedBridge.m

@@ -89,10 +89,10 @@ id<RCTJavaScriptExecutor> RCTGetLatestExecutor(void)
      */
     _valid = YES;
     _loading = YES;
-    _moduleDataByID = [[NSMutableArray alloc] init];
-    _frameUpdateObservers = [[NSMutableSet alloc] init];
-    _scheduledCalls = [[NSMutableArray alloc] init];
-    _scheduledCallbacks = [[RCTSparseArray alloc] init];
+    _moduleDataByID = [NSMutableArray new];
+    _frameUpdateObservers = [NSMutableSet new];
+    _scheduledCalls = [NSMutableArray new];
+    _scheduledCallbacks = [RCTSparseArray new];
     _jsDisplayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(_jsThreadUpdate:)];
 
     if (RCT_DEV) {
@@ -213,7 +213,7 @@ id<RCTJavaScriptExecutor> RCTGetLatestExecutor(void)
   RCTAssertMainThread();
 
   // Register passed-in module instances
-  NSMutableDictionary *preregisteredModules = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *preregisteredModules = [NSMutableDictionary new];
 
   NSArray *extraModules = nil;
   if (self.delegate) {
@@ -229,7 +229,7 @@ id<RCTJavaScriptExecutor> RCTGetLatestExecutor(void)
   }
 
   // Instantiate modules
-  _moduleDataByID = [[NSMutableArray alloc] init];
+  _moduleDataByID = [NSMutableArray new];
   NSMutableDictionary *modulesByName = [preregisteredModules mutableCopy];
   for (Class moduleClass in RCTGetModuleClasses()) {
      NSString *moduleName = RCTBridgeModuleNameForClass(moduleClass);
@@ -241,7 +241,7 @@ id<RCTJavaScriptExecutor> RCTGetLatestExecutor(void)
        // Preregistered instances takes precedence, no questions asked
        if (!preregisteredModules[moduleName]) {
          // It's OK to have a name collision as long as the second instance is nil
-         RCTAssert([[moduleClass alloc] init] == nil,
+         RCTAssert([moduleClass new] == nil,
                    @"Attempted to register RCTBridgeModule class %@ for the name "
                    "'%@', but name was already registered by class %@", moduleClass,
                    moduleName, [modulesByName[moduleName] class]);
@@ -254,7 +254,7 @@ id<RCTJavaScriptExecutor> RCTGetLatestExecutor(void)
        }
      } else {
        // Module name hasn't been used before, so go ahead and instantiate
-       module = [[moduleClass alloc] init];
+       module = [moduleClass new];
      }
      if (module) {
        modulesByName[moduleName] = module;
@@ -299,7 +299,7 @@ id<RCTJavaScriptExecutor> RCTGetLatestExecutor(void)
 
 - (NSString *)moduleConfig
 {
-  NSMutableDictionary *config = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *config = [NSMutableDictionary new];
   for (RCTModuleData *moduleData in _moduleDataByID) {
     config[moduleData.name] = moduleData.config;
     if ([moduleData.instance conformsToProtocol:@protocol(RCTFrameUpdateObserver)]) {
@@ -667,7 +667,7 @@ RCT_NOT_IMPLEMENTED(-initWithBundleURL:(__unused NSURL *)bundleURL
     }
     NSMutableOrderedSet *set = [buckets objectForKey:moduleData];
     if (!set) {
-      set = [[NSMutableOrderedSet alloc] init];
+      set = [NSMutableOrderedSet new];
       [buckets setObject:set forKey:moduleData];
     }
     [set addObject:@(i)];
@@ -785,8 +785,8 @@ RCT_NOT_IMPLEMENTED(-initWithBundleURL:(__unused NSURL *)bundleURL
   )
 
   if (calls.count > 0) {
-    _scheduledCalls = [[NSMutableArray alloc] init];
-    _scheduledCallbacks = [[RCTSparseArray alloc] init];
+    _scheduledCalls = [NSMutableArray new];
+    _scheduledCallbacks = [RCTSparseArray new];
     [self _actuallyInvokeAndProcessModule:@"BatchedBridge"
                                    method:@"processBatch"
                                 arguments:@[[calls valueForKey:@"js_args"]]];

React/Base/RCTBridge.m

@@ -57,7 +57,7 @@ void RCTRegisterModule(Class moduleClass)
 {
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    RCTModuleClasses = [[NSMutableArray alloc] init];
+    RCTModuleClasses = [NSMutableArray new];
   });
 
   RCTAssert([moduleClass conformsToProtocol:@protocol(RCTBridgeModule)],

React/Base/RCTCache.m

@@ -57,9 +57,9 @@
   if ((self = [super init]))
   {
     //create storage
-    _cache = [[NSMutableDictionary alloc] init];
-    _entryPool = [[NSMutableArray alloc] init];
-    _lock = [[NSLock alloc] init];
+    _cache = [NSMutableDictionary new];
+    _entryPool = [NSMutableArray new];
+    _lock = [NSLock new];
     _totalCost = 0;
 
 #if TARGET_OS_IPHONE
@@ -256,7 +256,7 @@
   _totalCost += g;
   RCTCacheEntry *entry = _cache[key];
   if (!entry) {
-    entry = [[RCTCacheEntry alloc] init];
+    entry = [RCTCacheEntry new];
     _cache[key] = entry;
   }
   entry.object = obj;

React/Base/RCTConvert.m

@@ -60,7 +60,7 @@ RCT_CUSTOM_CONVERTER(NSData *, NSData, [json dataUsingEncoding:NSUTF8StringEncod
 + (NSIndexSet *)NSIndexSet:(id)json
 {
   json = [self NSNumberArray:json];
-  NSMutableIndexSet *indexSet = [[NSMutableIndexSet alloc] init];
+  NSMutableIndexSet *indexSet = [NSMutableIndexSet new];
   for (NSNumber *number in json) {
     NSInteger index = number.integerValue;
     if (RCT_DEBUG && index < 0) {
@@ -139,7 +139,7 @@ RCT_CUSTOM_CONVERTER(NSData *, NSData, [json dataUsingEncoding:NSUTF8StringEncod
     static NSDateFormatter *formatter;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
-      formatter = [[NSDateFormatter alloc] init];
+      formatter = [NSDateFormatter new];
       formatter.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ";
       formatter.locale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"];
       formatter.timeZone = [NSTimeZone timeZoneWithName:@"UTC"];
@@ -383,7 +383,7 @@ RCT_CGSTRUCT_CONVERTER(CGAffineTransform, (@[
   static RCTCache *colorCache = nil;
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    colorCache = [[RCTCache alloc] init];
+    colorCache = [RCTCache new];
     colorCache.countLimit = 128;
   });
   UIColor *color = colorCache[json];
@@ -702,7 +702,7 @@ RCT_CGSTRUCT_CONVERTER(CGAffineTransform, (@[
         // but to use +[UIImage imageNamed] - but this method isn't thread safe
         static NSMutableDictionary *XCAssetMap = nil;
         if (!XCAssetMap) {
-          XCAssetMap = [[NSMutableDictionary alloc] init];
+          XCAssetMap = [NSMutableDictionary new];
         }
         NSNumber *isAsset = XCAssetMap[path];
         if (!isAsset || isAsset.boolValue) {
@@ -986,7 +986,7 @@ RCT_JSON_ARRAY_CONVERTER(NSNumber)
 // Can't use RCT_ARRAY_CONVERTER due to bridged cast
 + (NSArray *)CGColorArray:(id)json
 {
-  NSMutableArray *colors = [[NSMutableArray alloc] init];
+  NSMutableArray *colors = [NSMutableArray new];
   for (id value in [self NSArray:json]) {
     [colors addObject:(__bridge id)[self CGColor:value]];
   }

React/Base/RCTEventDispatcher.m

@@ -99,8 +99,8 @@ RCT_EXPORT_MODULE()
 - (instancetype)init
 {
   if ((self = [super init])) {
-    _eventQueue = [[NSMutableDictionary alloc] init];
-    _eventQueueLock = [[NSLock alloc] init];
+    _eventQueue = [NSMutableDictionary new];
+    _eventQueueLock = [NSLock new];
   }
   return self;
 }
@@ -176,7 +176,7 @@ RCT_EXPORT_MODULE()
 
 - (void)dispatchEvent:(id<RCTEvent>)event
 {
-  NSMutableArray *arguments = [[NSMutableArray alloc] init];
+  NSMutableArray *arguments = [NSMutableArray new];
 
   if (event.viewTag) {
     [arguments addObject:event.viewTag];
@@ -201,7 +201,7 @@ RCT_EXPORT_MODULE()
 {
   [_eventQueueLock lock];
    NSDictionary *eventQueue = _eventQueue;
-  _eventQueue = [[NSMutableDictionary alloc] init];
+  _eventQueue = [NSMutableDictionary new];
   _paused = YES;
   [_eventQueueLock unlock];
 

React/Base/RCTFPSGraph.m

@@ -72,7 +72,7 @@ RCT_NOT_IMPLEMENTED(-initWithCoder:(NSCoder *)aDecoder)
 - (CAShapeLayer *)createGraph:(UIColor *)color
 {
   CGFloat left = _position & RCTFPSGraphPositionLeft ? 0 : _length;
-  CAShapeLayer *graph = [[CAShapeLayer alloc] init];
+  CAShapeLayer *graph = [CAShapeLayer new];
   graph.frame = CGRectMake(left, 0, 2 * _margin + _length, self.frame.size.height);
   graph.backgroundColor = [[color colorWithAlphaComponent:.2] CGColor];
   graph.fillColor = [color CGColor];

React/Base/RCTJavaScriptLoader.m

@@ -68,7 +68,7 @@ RCT_NOT_IMPLEMENTED(-init)
       NSDictionary *errorDetails = RCTJSONParse(rawText, nil);
       if ([errorDetails isKindOfClass:[NSDictionary class]] &&
           [errorDetails[@"errors"] isKindOfClass:[NSArray class]]) {
-        NSMutableArray *fakeStack = [[NSMutableArray alloc] init];
+        NSMutableArray *fakeStack = [NSMutableArray new];
         for (NSDictionary *err in errorDetails[@"errors"]) {
           [fakeStack addObject: @{
             @"methodName": err[@"description"] ?: @"",

React/Base/RCTKeyCommands.m

@@ -152,7 +152,7 @@ RCT_NOT_IMPLEMENTED(-init)
   static RCTKeyCommands *sharedInstance;
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    sharedInstance = [[self alloc] init];
+    sharedInstance = [self new];
   });
 
   return sharedInstance;
@@ -161,7 +161,7 @@ RCT_NOT_IMPLEMENTED(-init)
 - (instancetype)init
 {
   if ((self = [super init])) {
-    _commands = [[NSMutableSet alloc] init];
+    _commands = [NSMutableSet new];
   }
   return self;
 }

React/Base/RCTLog.m

@@ -171,7 +171,7 @@ void RCTPerformBlockWithLogFunction(void (^block)(void), RCTLogFunction logFunct
   NSMutableDictionary *threadDictionary = [NSThread currentThread].threadDictionary;
   NSMutableArray *functionStack = threadDictionary[RCTLogFunctionStack];
   if (!functionStack) {
-    functionStack = [[NSMutableArray alloc] init];
+    functionStack = [NSMutableArray new];
     threadDictionary[RCTLogFunctionStack] = functionStack;
   }
   [functionStack addObject:logFunction];
@@ -196,12 +196,12 @@ NSString *RCTFormatLog(
   NSNumber *lineNumber,
   NSString *message
 ) {
-  NSMutableString *log = [[NSMutableString alloc] init];
+  NSMutableString *log = [NSMutableString new];
   if (timestamp) {
     static NSDateFormatter *formatter;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
-      formatter = [[NSDateFormatter alloc] init];
+      formatter = [NSDateFormatter new];
       formatter.dateFormat = formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss.SSS ";
     });
     [log appendString:[formatter stringFromDate:timestamp]];

React/Base/RCTModuleData.m

@@ -49,7 +49,7 @@ RCT_NOT_IMPLEMENTED(-init);
 - (NSArray *)methods
 {
   if (!_methods) {
-    NSMutableArray *moduleMethods = [[NSMutableArray alloc] init];
+    NSMutableArray *moduleMethods = [NSMutableArray new];
     unsigned int methodCount;
     Method *methods = class_copyMethodList(object_getClass(_moduleClass), &methodCount);
 
@@ -77,14 +77,14 @@ RCT_NOT_IMPLEMENTED(-init);
 
 - (NSDictionary *)config
 {
-  NSMutableDictionary *config = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *config = [NSMutableDictionary new];
   config[@"moduleID"] = _moduleID;
 
   if (_constants) {
     config[@"constants"] = _constants;
   }
 
-  NSMutableDictionary *methodconfig = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *methodconfig = [NSMutableDictionary new];
   [self.methods enumerateObjectsUsingBlock:^(RCTModuleMethod *method, NSUInteger idx, __unused BOOL *stop) {
     methodconfig[method.JSMethodName] = @{
       @"methodID": @(idx),

React/Base/RCTPerfStats.m

@@ -32,7 +32,7 @@ RCT_EXPORT_MODULE()
 - (UIView *)container
 {
   if (!_container) {
-    _container = [[UIView alloc] init];
+    _container = [UIView new];
     _container.backgroundColor = [UIColor colorWithRed:0 green:0 blue:34/255.0 alpha:1];
     _container.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth;
   }

React/Base/RCTProfile.m

@@ -216,14 +216,14 @@ void RCTProfileInit(RCTBridge *bridge)
 
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    _RCTProfileLock = [[NSRecursiveLock alloc] init];
+    _RCTProfileLock = [NSRecursiveLock new];
   });
   RCTProfileLock(
     RCTProfileStartTime = CACurrentMediaTime();
-    RCTProfileOngoingEvents = [[NSMutableDictionary alloc] init];
+    RCTProfileOngoingEvents = [NSMutableDictionary new];
     RCTProfileInfo = @{
-      RCTProfileTraceEvents: [[NSMutableArray alloc] init],
-      RCTProfileSamples: [[NSMutableArray alloc] init],
+      RCTProfileTraceEvents: [NSMutableArray new],
+      RCTProfileSamples: [NSMutableArray new],
     };
   );
 

React/Base/RCTRedBox.m

@@ -41,7 +41,7 @@
     self.backgroundColor = _redColor;
     self.hidden = YES;
 
-    UIViewController *rootController = [[UIViewController alloc] init];
+    UIViewController *rootController = [UIViewController new];
     self.rootViewController = rootController;
     _rootView = rootController.view;
     _rootView.backgroundColor = [UIColor clearColor];
@@ -102,7 +102,7 @@ RCT_NOT_IMPLEMENTED(-initWithCoder:(NSCoder *)aDecoder)
 {
   NSData *stackFrameJSON = [RCTJSONStringify(stackFrame, nil) dataUsingEncoding:NSUTF8StringEncoding];
   NSString *postLength = [NSString stringWithFormat:@"%lu", (unsigned long)[stackFrameJSON length]];
-  NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
+  NSMutableURLRequest *request = [NSMutableURLRequest new];
   request.URL = [RCTConvert NSURL:@"http://localhost:8081/open-stack-frame"];
   request.HTTPMethod = @"POST";
   request.HTTPBody = stackFrameJSON;
@@ -200,7 +200,7 @@ RCT_NOT_IMPLEMENTED(-initWithCoder:(NSCoder *)aDecoder)
     cell.detailTextLabel.font = [UIFont fontWithName:@"Menlo-Regular" size:11];
     cell.detailTextLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;
     cell.backgroundColor = [UIColor clearColor];
-    cell.selectedBackgroundView = [[UIView alloc] init];
+    cell.selectedBackgroundView = [UIView new];
     cell.selectedBackgroundView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.2];
   }
 
@@ -279,7 +279,7 @@ RCT_NOT_IMPLEMENTED(-initWithCoder:(NSCoder *)aDecoder)
   static RCTRedBox *_sharedInstance;
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    _sharedInstance = [[RCTRedBox alloc] init];
+    _sharedInstance = [RCTRedBox new];
   });
   return _sharedInstance;
 }

React/Base/RCTSparseArray.m

@@ -37,7 +37,7 @@
 
 + (instancetype)sparseArray
 {
-  return [[self alloc] init];
+  return [self new];
 }
 
 + (instancetype)sparseArrayWithCapacity:(NSUInteger)capacity

React/Base/RCTTouchHandler.m

@@ -48,9 +48,9 @@
 
     _bridge = bridge;
     _dispatchedInitialTouches = NO;
-    _nativeTouches = [[NSMutableOrderedSet alloc] init];
-    _reactTouches = [[NSMutableArray alloc] init];
-    _touchViews = [[NSMutableArray alloc] init];
+    _nativeTouches = [NSMutableOrderedSet new];
+    _reactTouches = [NSMutableArray new];
+    _touchViews = [NSMutableArray new];
 
     // `cancelsTouchesInView` is needed in order to be used as a top level
     // event delegated recognizer. Otherwise, lower-level components not built
@@ -168,7 +168,7 @@ typedef NS_ENUM(NSInteger, RCTTouchEventType) {
                   originatingTime:(__unused CFTimeInterval)originatingTime
 {
   // Update touches
-  NSMutableArray *changedIndexes = [[NSMutableArray alloc] init];
+  NSMutableArray *changedIndexes = [NSMutableArray new];
   for (UITouch *touch in touches) {
     NSInteger index = [_nativeTouches indexOfObject:touch];
     if (index == NSNotFound) {

React/Executors/RCTContextExecutor.m

@@ -142,7 +142,7 @@ static JSValueRef RCTConsoleProfile(JSContextRef context, __unused JSObjectRef o
 {
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
-    profiles = [[NSMutableArray alloc] init];
+    profiles = [NSMutableArray new];
   });
 
   static int profileCounter = 1;

React/Executors/RCTWebViewExecutor.m

@@ -66,10 +66,10 @@ RCT_EXPORT_MODULE()
 - (void)setUp
 {
   if (!_webView) {
-    _webView = [[UIWebView alloc] init];
+    _webView = [UIWebView new];
   }
 
-  _objectsToInject = [[NSMutableDictionary alloc] init];
+  _objectsToInject = [NSMutableDictionary new];
   _commentsRegex = [NSRegularExpression regularExpressionWithPattern:@"(^ *?\\/\\/.*?$|\\/\\*\\*[\\s\\S]*?\\*\\/)" options:NSRegularExpressionAnchorsMatchLines error:NULL],
   _scriptTagsRegex = [NSRegularExpression regularExpressionWithPattern:@"<(\\/?script[^>]*?)>" options:0 error:NULL],
   _webView.delegate = self;

React/Modules/RCTAccessibilityManager.m

@@ -129,7 +129,7 @@ RCT_EXPORT_MODULE()
 
 RCT_EXPORT_METHOD(setAccessibilityContentSizeMultipliers:(NSDictionary *)JSMultipliers)
 {
-  NSMutableDictionary *multipliers = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *multipliers = [NSMutableDictionary new];
   for (NSString *__nonnull JSCategory in JSMultipliers) {
     NSNumber *m = JSMultipliers[JSCategory];
     NSString *UIKitCategory = [self.class UIKitCategoryFromJSCategory:JSCategory];

React/Modules/RCTAlertManager.m

@@ -28,9 +28,9 @@ RCT_EXPORT_MODULE()
 - (instancetype)init
 {
   if ((self = [super init])) {
-    _alerts = [[NSMutableArray alloc] init];
-    _alertCallbacks = [[NSMutableArray alloc] init];
-    _alertButtonKeys = [[NSMutableArray alloc] init];
+    _alerts = [NSMutableArray new];
+    _alertCallbacks = [NSMutableArray new];
+    _alertButtonKeys = [NSMutableArray new];
   }
   return self;
 }

React/Modules/RCTAsyncLocalStorage.m

@@ -161,7 +161,7 @@ RCT_EXPORT_MODULE()
     RCTDeleteStorageDirectory();
   }
   _clearOnInvalidate = NO;
-  _manifest = [[NSMutableDictionary alloc] init];
+  _manifest = [NSMutableDictionary new];
   _haveSetup = NO;
 }
 
@@ -199,10 +199,10 @@ RCT_EXPORT_MODULE()
   if (!_haveSetup) {
     NSDictionary *errorOut;
     NSString *serialized = RCTReadFile(RCTGetManifestFilePath(), nil, &errorOut);
-    _manifest = serialized ? [RCTJSONParse(serialized, &error) mutableCopy] : [[NSMutableDictionary alloc] init];
+    _manifest = serialized ? [RCTJSONParse(serialized, &error) mutableCopy] : [NSMutableDictionary new];
     if (error) {
       RCTLogWarn(@"Failed to parse manifest - creating new one.\n\n%@", error);
-      _manifest = [[NSMutableDictionary alloc] init];
+      _manifest = [NSMutableDictionary new];
     }
     _haveSetup = YES;
   }
@@ -377,7 +377,7 @@ RCT_EXPORT_METHOD(multiRemove:(NSArray *)keys
 
 RCT_EXPORT_METHOD(clear:(RCTResponseSenderBlock)callback)
 {
-  _manifest = [[NSMutableDictionary alloc] init];
+  _manifest = [NSMutableDictionary new];
   NSError *error = RCTDeleteStorageDirectory();
   if (callback) {
     callback(@[RCTNullIfNil(error)]);

React/Modules/RCTDevMenu.m

@@ -125,7 +125,7 @@ RCT_EXPORT_MODULE()
                              object:nil];
 
     _defaults = [NSUserDefaults standardUserDefaults];
-    _settings = [[NSMutableDictionary alloc] init];
+    _settings = [NSMutableDictionary new];
     _extraMenuItems = [NSMutableArray array];
 
     // Delay setup until after Bridge init
@@ -331,7 +331,7 @@ RCT_EXPORT_METHOD(show)
     return;
   }
 
-  UIActionSheet *actionSheet = [[UIActionSheet alloc] init];
+  UIActionSheet *actionSheet = [UIActionSheet new];
   actionSheet.title = @"React Native: Development";
   actionSheet.delegate = self;
 

React/Modules/RCTTiming.m

@@ -78,7 +78,7 @@ RCT_EXPORT_MODULE()
 {
   if ((self = [super init])) {
     _paused = YES;
-    _timers = [[RCTSparseArray alloc] init];
+    _timers = [RCTSparseArray new];
 
     for (NSString *name in @[UIApplicationWillResignActiveNotification,
                              UIApplicationDidEnterBackgroundNotification,
@@ -134,7 +134,7 @@ RCT_EXPORT_MODULE()
 
 - (void)didUpdateFrame:(__unused RCTFrameUpdate *)update
 {
-  NSMutableArray *timersToCall = [[NSMutableArray alloc] init];
+  NSMutableArray *timersToCall = [NSMutableArray new];
   for (RCTTimer *timer in _timers.allObjects) {
     if ([timer updateFoundNeedsJSUpdate]) {
       [timersToCall addObject:timer.callbackID];

React/Modules/RCTUIManager.m

@@ -219,16 +219,16 @@ extern NSString *RCTBridgeModuleNameForClass(Class cls);
 
     _shadowQueue = dispatch_queue_create("com.facebook.React.ShadowQueue", DISPATCH_QUEUE_SERIAL);
 
-    _pendingUIBlocksLock = [[NSLock alloc] init];
+    _pendingUIBlocksLock = [NSLock new];
 
-    _shadowViewRegistry = [[RCTSparseArray alloc] init];
-    _viewRegistry = [[RCTSparseArray alloc] init];
+    _shadowViewRegistry = [RCTSparseArray new];
+    _viewRegistry = [RCTSparseArray new];
 
     // Internal resources
-    _pendingUIBlocks = [[NSMutableArray alloc] init];
-    _rootViewTags = [[NSMutableSet alloc] init];
+    _pendingUIBlocks = [NSMutableArray new];
+    _rootViewTags = [NSMutableSet new];
 
-    _bridgeTransactionListeners = [[NSMutableSet alloc] init];
+    _bridgeTransactionListeners = [NSMutableSet new];
 
     [[NSNotificationCenter defaultCenter] addObserver:self
                                              selector:@selector(didReceiveNewContentSizeMultiplier)
@@ -284,10 +284,10 @@ extern NSString *RCTBridgeModuleNameForClass(Class cls);
   RCTAssert(_bridge == nil, @"Should not re-use same UIIManager instance");
 
   _bridge = bridge;
-  _shadowViewRegistry = [[RCTSparseArray alloc] init];
+  _shadowViewRegistry = [RCTSparseArray new];
 
   // Get view managers from bridge
-  NSMutableDictionary *componentDataByName = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *componentDataByName = [NSMutableDictionary new];
   for (RCTViewManager *manager in _bridge.modules.allValues) {
     if ([manager isKindOfClass:[RCTViewManager class]]) {
       RCTComponentData *componentData = [[RCTComponentData alloc] initWithManager:manager];
@@ -326,7 +326,7 @@ extern NSString *RCTBridgeModuleNameForClass(Class cls);
     if (!_viewRegistry) {
       return;
     }
-    RCTShadowView *shadowView = [[RCTShadowView alloc] init];
+    RCTShadowView *shadowView = [RCTShadowView new];
     shadowView.reactTag = reactTag;
     shadowView.frame = frame;
     shadowView.backgroundColor = rootView.backgroundColor;
@@ -479,7 +479,7 @@ extern NSString *RCTBridgeModuleNameForClass(Class cls);
   // reactSetFrame: has been called. Note that if reactSetFrame: is not called,
   // these won't be called either, so this is not a suitable place to update
   // properties that aren't related to layout.
-  NSMutableArray *updateBlocks = [[NSMutableArray alloc] init];
+  NSMutableArray *updateBlocks = [NSMutableArray new];
   for (RCTShadowView *shadowView in viewsWithNewFrames) {
     RCTViewManager *manager = [_componentDataByName[shadowView.viewName] manager];
     RCTViewManagerUIBlock block = [manager uiBlockToAmendWithShadowView:shadowView];
@@ -870,7 +870,7 @@ RCT_EXPORT_METHOD(findSubviewIn:(nonnull NSNumber *)reactTag atPoint:(CGPoint)po
   // processing the pending blocks in another thread.
   [_pendingUIBlocksLock lock];
   NSArray *previousPendingUIBlocks = _pendingUIBlocks;
-  _pendingUIBlocks = [[NSMutableArray alloc] init];
+  _pendingUIBlocks = [NSMutableArray new];
   [_pendingUIBlocksLock unlock];
 
   // Execute the previously queued UI blocks
@@ -1130,7 +1130,7 @@ RCT_EXPORT_METHOD(clearJSResponder)
 
 - (NSDictionary *)bubblingEventsConfig
 {
-  NSMutableDictionary *customBubblingEventTypesConfigs = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *customBubblingEventTypesConfigs = [NSMutableDictionary new];
   for (RCTComponentData *componentData in _componentDataByName.allValues) {
     RCTViewManager *manager = componentData.manager;
     if (RCTClassOverridesInstanceMethod([manager class], @selector(customBubblingEventTypes))) {
@@ -1160,7 +1160,7 @@ RCT_EXPORT_METHOD(clearJSResponder)
 
 - (NSDictionary *)directEventsConfig
 {
-  NSMutableDictionary *customDirectEventTypes = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *customDirectEventTypes = [NSMutableDictionary new];
   for (RCTComponentData *componentData in _componentDataByName.allValues) {
     RCTViewManager *manager = componentData.manager;
     if (RCTClassOverridesInstanceMethod([manager class], @selector(customDirectEventTypes))) {

React/Views/RCTActivityIndicatorViewManager.m

@@ -29,7 +29,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  return [[UIActivityIndicatorView alloc] init];
+  return [UIActivityIndicatorView new];
 }
 
 RCT_EXPORT_VIEW_PROPERTY(color, UIColor)

React/Views/RCTComponentData.m

@@ -48,8 +48,8 @@ typedef void (^RCTPropBlock)(id<RCTComponent> view, id json);
 {
   if ((self = [super init])) {
     _manager = manager;
-    _viewPropBlocks = [[NSMutableDictionary alloc] init];
-    _shadowPropBlocks = [[NSMutableDictionary alloc] init];
+    _viewPropBlocks = [NSMutableDictionary new];
+    _shadowPropBlocks = [NSMutableDictionary new];
 
     _name = RCTBridgeModuleNameForClass([manager class]);
     RCTAssert(_name.length, @"Invalid moduleName '%@'", _name);
@@ -292,7 +292,7 @@ RCT_NOT_IMPLEMENTED(-init)
 - (NSDictionary *)viewConfig
 {
   Class managerClass = [_manager class];
-  NSMutableDictionary *propTypes = [[NSMutableDictionary alloc] init];
+  NSMutableDictionary *propTypes = [NSMutableDictionary new];
 
   unsigned int count = 0;
   Method *methods = class_copyMethodList(object_getClass(managerClass), &count);

React/Views/RCTConvert+MapKit.m

@@ -35,7 +35,7 @@
   json = [self NSDictionary:json];
 
   // TODO: more shape types
-  MKShape *shape = [[MKPointAnnotation alloc] init];
+  MKShape *shape = [MKPointAnnotation new];
   shape.coordinate = [self CLLocationCoordinate2D:json];
   shape.title = [RCTConvert NSString:json[@"title"]];
   shape.subtitle = [RCTConvert NSString:json[@"subtitle"]];
@@ -53,7 +53,7 @@ RCT_ENUM_CONVERTER(MKMapType, (@{
 + (RCTPointAnnotation *)RCTPointAnnotation:(id)json
 {
   json = [self NSDictionary:json];
-  RCTPointAnnotation *shape = [[RCTPointAnnotation alloc] init];
+  RCTPointAnnotation *shape = [RCTPointAnnotation new];
   shape.coordinate = [self CLLocationCoordinate2D:json];
   shape.title = [RCTConvert NSString:json[@"title"]];
   shape.subtitle = [RCTConvert NSString:json[@"subtitle"]];

React/Views/RCTDatePickerManager.m

@@ -34,7 +34,7 @@ RCT_EXPORT_MODULE()
   // while the UIDatePicker is still sending onChange events. To
   // fix this we should maybe subclass UIDatePicker and make it
   // be its own event target.
-  UIDatePicker *picker = [[UIDatePicker alloc] init];
+  UIDatePicker *picker = [UIDatePicker new];
   [picker addTarget:self action:@selector(onChange:)
    forControlEvents:UIControlEventValueChanged];
   return picker;
@@ -58,7 +58,7 @@ RCT_REMAP_VIEW_PROPERTY(timeZoneOffsetInMinutes, timeZone, NSTimeZone)
 
 - (NSDictionary *)constantsToExport
 {
-  UIDatePicker *view = [[UIDatePicker alloc] init];
+  UIDatePicker *view = [UIDatePicker new];
   return @{
     @"ComponentHeight": @(view.intrinsicContentSize.height),
     @"ComponentWidth": @(view.intrinsicContentSize.width),

React/Views/RCTMap.m

@@ -80,7 +80,7 @@ const CGFloat RCTMapZoomBoundBuffer = 0.01;
 {
   if (self.showsUserLocation != showsUserLocation) {
     if (showsUserLocation && !_locationManager) {
-      _locationManager = [[CLLocationManager alloc] init];
+      _locationManager = [CLLocationManager new];
       if ([_locationManager respondsToSelector:@selector(requestWhenInUseAuthorization)]) {
         [_locationManager requestWhenInUseAuthorization];
       }
@@ -114,9 +114,9 @@ const CGFloat RCTMapZoomBoundBuffer = 0.01;
 
 - (void)setAnnotations:(RCTPointAnnotationArray *)annotations
 {
-  NSMutableArray *newAnnotationIds = [[NSMutableArray alloc] init];
-  NSMutableArray *annotationsToDelete = [[NSMutableArray alloc] init];
-  NSMutableArray *annotationsToAdd = [[NSMutableArray alloc] init];
+  NSMutableArray *newAnnotationIds = [NSMutableArray new];
+  NSMutableArray *annotationsToDelete = [NSMutableArray new];
+  NSMutableArray *annotationsToAdd = [NSMutableArray new];
 
   for (RCTPointAnnotation *annotation in annotations) {
     if (![annotation isKindOfClass:[RCTPointAnnotation class]]) {
@@ -150,7 +150,7 @@ const CGFloat RCTMapZoomBoundBuffer = 0.01;
     [self addAnnotations:annotationsToAdd];
   }
 
-  NSMutableArray *newIds = [[NSMutableArray alloc] init];
+  NSMutableArray *newIds = [NSMutableArray new];
   for (RCTPointAnnotation *anno in self.annotations) {
     if ([anno isKindOfClass:[MKUserLocation class]]) {
       continue;

React/Views/RCTMapManager.m

@@ -31,7 +31,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  RCTMap *map = [[RCTMap alloc] init];
+  RCTMap *map = [RCTMap new];
   map.delegate = self;
   return map;
 }

React/Views/RCTModalHostView.m

@@ -31,7 +31,7 @@ RCT_NOT_IMPLEMENTED(-initWithCoder:coder)
 {
   if ((self = [super initWithFrame:CGRectZero])) {
     _bridge = bridge;
-    _modalViewController = [[RCTModalHostViewController alloc] init];
+    _modalViewController = [RCTModalHostViewController new];
     _touchHandler = [[RCTTouchHandler alloc] initWithBridge:bridge];
 
     __weak RCTModalHostView *weakSelf = self;

React/Views/RCTNavItemManager.m

@@ -18,7 +18,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  return [[RCTNavItem alloc] init];
+  return [RCTNavItem new];
 }
 
 RCT_EXPORT_VIEW_PROPERTY(navigationBarHidden, BOOL)

React/Views/RCTPickerManager.m

@@ -27,7 +27,7 @@ RCT_EXPORT_VIEW_PROPERTY(selectedIndex, NSInteger)
 
 - (NSDictionary *)constantsToExport
 {
-  UIPickerView *view = [[UIPickerView alloc] init];
+  UIPickerView *view = [UIPickerView new];
   return @{
     @"ComponentHeight": @(view.intrinsicContentSize.height),
     @"ComponentWidth": @(view.intrinsicContentSize.width)

React/Views/RCTProgressViewManager.m

@@ -26,7 +26,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  return [[UIProgressView alloc] init];
+  return [UIProgressView new];
 }
 
 RCT_EXPORT_VIEW_PROPERTY(progressViewStyle, UIProgressViewStyle)
@@ -38,7 +38,7 @@ RCT_EXPORT_VIEW_PROPERTY(trackImage, UIImage)
 
 - (NSDictionary *)constantsToExport
 {
-  UIProgressView *view = [[UIProgressView alloc] init];
+  UIProgressView *view = [UIProgressView new];
   return @{
     @"ComponentHeight": @(view.intrinsicContentSize.height),
   };

React/Views/RCTScrollView.m

@@ -387,7 +387,7 @@ RCT_NOT_IMPLEMENTED(-init)
 
     _scrollEventThrottle = 0.0;
     _lastScrollDispatchTime = CACurrentMediaTime();
-    _cachedChildFrames = [[NSMutableArray alloc] init];
+    _cachedChildFrames = [NSMutableArray new];
 
     [self addSubview:_scrollView];
   }
@@ -582,7 +582,7 @@ RCT_SCROLL_EVENT_HANDLER(scrollViewDidZoom, RCTScrollEventTypeMove)
 
 - (NSArray *)calculateChildFramesData
 {
-    NSMutableArray *updatedChildFrames = [[NSMutableArray alloc] init];
+    NSMutableArray *updatedChildFrames = [NSMutableArray new];
     [[_contentView reactSubviews] enumerateObjectsUsingBlock:
      ^(UIView *subview, NSUInteger idx, __unused BOOL *stop) {
 

React/Views/RCTSegmentedControlManager.m

@@ -30,7 +30,7 @@ RCT_EXPORT_VIEW_PROPERTY(enabled, BOOL)
 
 - (NSDictionary *)constantsToExport
 {
-  RCTSegmentedControl *view = [[RCTSegmentedControl alloc] init];
+  RCTSegmentedControl *view = [RCTSegmentedControl new];
   return @{
     @"ComponentHeight": @(view.intrinsicContentSize.height),
   };

React/Views/RCTSliderManager.m

@@ -20,7 +20,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  RCTSlider *slider = [[RCTSlider alloc] init];
+  RCTSlider *slider = [RCTSlider new];
   [slider addTarget:self action:@selector(sliderValueChanged:) forControlEvents:UIControlEventValueChanged];
   [slider addTarget:self action:@selector(sliderTouchEnd:) forControlEvents:UIControlEventTouchUpInside];
   [slider addTarget:self action:@selector(sliderTouchEnd:) forControlEvents:UIControlEventTouchUpOutside];

React/Views/RCTSwitchManager.m

@@ -20,7 +20,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  RCTSwitch *switcher = [[RCTSwitch alloc] init];
+  RCTSwitch *switcher = [RCTSwitch new];
   [switcher addTarget:self
                action:@selector(onChange:)
      forControlEvents:UIControlEventValueChanged];

React/Views/RCTTabBar.m

@@ -36,8 +36,8 @@
 
   if ((self = [super initWithFrame:CGRectZero])) {
     _eventDispatcher = eventDispatcher;
-    _tabViews = [[NSMutableArray alloc] init];
-    _tabController = [[UITabBarController alloc] init];
+    _tabViews = [NSMutableArray new];
+    _tabController = [UITabBarController new];
     _tabController.delegate = self;
     [self addSubview:_tabController.view];
   }

React/Views/RCTTabBarItem.m

@@ -20,7 +20,7 @@
 - (UITabBarItem *)barItem
 {
   if (!_barItem) {
-    _barItem = [[UITabBarItem alloc] init];
+    _barItem = [UITabBarItem new];
   }
   return _barItem;
 }

React/Views/RCTTabBarItemManager.m

@@ -18,7 +18,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  return [[RCTTabBarItem alloc] init];
+  return [RCTTabBarItem new];
 }
 
 RCT_EXPORT_VIEW_PROPERTY(selected, BOOL);

React/Views/RCTViewManager.m

@@ -56,12 +56,12 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)view
 {
-  return [[RCTView alloc] init];
+  return [RCTView new];
 }
 
 - (RCTShadowView *)shadowView
 {
-  return [[RCTShadowView alloc] init];
+  return [RCTShadowView new];
 }
 
 - (NSArray *)customBubblingEventTypes