PR: Enable remote debugging automatically upon launch of the application

Examples/UIExplorer/UIExplorer/AppDelegate.m

@@ -42,6 +42,7 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
   // jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
 
   RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
+                                                withDebugEnabled:NO  // YES to enable debugging upon app launch
                                                       moduleName:@"UIExplorerApp"
                                                    launchOptions:launchOptions];
 

Libraries/RCTTest/RCTTestRunner.m

@@ -67,6 +67,7 @@ - (void)runTest:(SEL)test module:(NSString *)moduleName initialProps:(NSDictiona
   RCTTestModule *testModule = [[RCTTestModule alloc] initWithSnapshotController:_snapshotController view:nil];
   testModule.testSelector = test;
   RCTBridge *bridge = [[RCTBridge alloc] initWithBundlePath:_script
+                                                withDebugEnabled:NO
                                                 moduleProvider:^(){
                                                   return @[testModule];
                                                 }

React/Base/RCTBridge.h

@@ -49,6 +49,7 @@ extern NSString *RCTBridgeModuleNameForClass(Class bridgeModuleClass);
  * parameters or configuration.
  */
 - (instancetype)initWithBundlePath:(NSString *)bundlepath
+                  withDebugEnabled:(BOOL)debugEnabled
                     moduleProvider:(RCTBridgeModuleProviderBlock)block
                      launchOptions:(NSDictionary *)launchOptions NS_DESIGNATED_INITIALIZER;
 

React/Base/RCTBridge.m

@@ -514,13 +514,19 @@ @implementation RCTBridge
 static id<RCTJavaScriptExecutor> _latestJSExecutor;
 
 - (instancetype)initWithBundlePath:(NSString *)bundlePath
+                  withDebugEnabled:(BOOL)debugEnabled
                     moduleProvider:(RCTBridgeModuleProviderBlock)block
                      launchOptions:(NSDictionary *)launchOptions
 {
   if ((self = [super init])) {
     _bundlePath = bundlePath;
     _moduleProvider = block;
     _launchOptions = launchOptions;
+#if DEBUG
+    if (debugEnabled == YES) {
+      self.executorClass = NSClassFromString(@"RCTWebSocketExecutor");
+    }
+#endif
     [self setUp];
     [self bindKeys];
   }

React/Base/RCTRootView.h

@@ -31,6 +31,7 @@ extern NSString *const RCTReloadViewsNotification;
  * to all the instances.
  */
 - (instancetype)initWithBundleURL:(NSURL *)bundleURL
+                 withDebugEnabled:(BOOL)debugginEnable
                        moduleName:(NSString *)moduleName
                     launchOptions:(NSDictionary *)launchOptions;
 

React/Base/RCTRootView.m

@@ -74,10 +74,12 @@ - (instancetype)initWithBridge:(RCTBridge *)bridge
 }
 
 - (instancetype)initWithBundleURL:(NSURL *)bundleURL
+                  withDebugEnabled:(BOOL)debugEnabled
                        moduleName:(NSString *)moduleName
                     launchOptions:(NSDictionary *)launchOptions
 {
   RCTBridge *bridge = [[RCTBridge alloc] initWithBundlePath:bundleURL.absoluteString
+                                           withDebugEnabled:debugEnabled
                                              moduleProvider:nil
                                               launchOptions:launchOptions];
   return [self initWithBridge:bridge