If there is no handler for the given command, log a warning instead of crashing

marcuswestin · marcuswestin · commit 05d531be67e9 · 2013-01-10T13:36:56.000-08:00
diff --git a/WebViewJavascriptBridge/WebViewJavascriptBridge.m b/WebViewJavascriptBridge/WebViewJavascriptBridge.m
@@ -156,6 +156,11 @@ - (void)_flushMessageQueue {
                 handler = [_messageHandlers objectForKey:handlerName];
             }
             
+            if (!handler) {
+                NSLog(@"WVJB Warning: No handler for %@", handlerName);
+                return;
+            }
+            
             @try {
                 handler([message objectForKey:@"data"], responseCallback);
             }

Original file line number	Diff line number	Diff line change
`@@ -156,6 +156,11 @@ - (void)_flushMessageQueue {`
`156`	`156`	`handler = [_messageHandlers objectForKey:handlerName];`
`157`	`157`	`}`
`158`	`158`
	`159`	`+ if (!handler) {`
	`160`	`+ NSLog(@"WVJB Warning: No handler for %@", handlerName);`
	`161`	`+ return;`
	`162`	`+ }`
	`163`	`+`
`159`	`164`	`@try {`
`160`	`165`	`handler([message objectForKey:@"data"], responseCallback);`
`161`	`166`	`}`