adds stopLoading method

ios/RCTWebViewBridge.h

@@ -43,6 +43,7 @@ shouldStartLoadForRequest:(NSMutableDictionary<NSString *, id> *)request
 - (void)goForward;
 - (void)goBack;
 - (void)reload;
+- (void)stopLoading;
 - (void)sendToBridge:(NSString *)message;
 
 @end

ios/RCTWebViewBridge.m

@@ -86,6 +86,10 @@ - (void)reload
   [_webView reload];
 }
 
+-(void)stopLoading {
+  [_webView stopLoading];
+}
+
 - (void)sendToBridge:(NSString *)message
 {
   //we are warpping the send message in a function to make sure that if

ios/RCTWebViewBridgeManager.m

@@ -102,6 +102,18 @@ - (UIView *)view
   }];
 }
 
+RCT_EXPORT_METHOD(stopLoading:(nonnull NSNumber *)reactTag)
+{
+    [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWebViewBridge *> *viewRegistry) {
+        RCTWebViewBridge *view = viewRegistry[reactTag];
+        if (![view isKindOfClass:[RCTWebViewBridge class]]) {
+            RCTLogError(@"Invalid view returned from registry, expecting RCTWebViewBridge, got: %@", view);
+        } else {
+            [view stopLoading];
+        }
+    }];
+}
+
 RCT_EXPORT_METHOD(sendToBridge:(nonnull NSNumber *)reactTag
                   value:(NSString*)message)
 {

webview-bridge/index.ios.js

@@ -226,6 +226,14 @@ var WebViewBridge = React.createClass({
     );
   },
 
+  stopLoading: function() {
+    UIManager.dispatchViewManagerCommand(
+      this.getWebViewBridgeHandle(),
+      UIManager.RCTWebViewBridge.Commands.stopLoading,
+      null
+    );
+  },
+
   sendToBridge: function (message: string) {
     WebViewBridgeManager.sendToBridge(this.getWebViewBridgeHandle(), message);
   },