Also copy function properties while wrapping function

src/raven.js

@@ -156,14 +156,23 @@ var Raven = {
             options = undefined;
         }
 
-        return function() {
-            try {
-                return func.apply(this, arguments);
-            } catch(e) {
-                Raven.captureException(e, options);
-                throw e;
+        var property,
+            wrappedFunction = function() {
+                try {
+                    func.apply(this, arguments);
+                } catch(e) {
+                    Raven.captureException(e, options);
+                    throw e;
+                }
+            };
+
+        for (property in func) {
+            if (func.hasOwnProperty(property)) {
+                wrappedFunction[property] = func[property];
             }
-        };
+        }
+
+        return wrappedFunction;
     },
 
     /*

test/raven.test.js

@@ -873,6 +873,18 @@ describe('Raven (public API)', function() {
       wrapped();
       assert.isTrue(spy.calledOnce);
     });
+    it('should copy property when wrapping function', function() {
+      var func = function() {};
+      func.test = true;
+      var wrapped = Raven.wrap(func);
+      assert.isTrue(wrapped.test);
+    });
+    it('should not copy prototype property when wrapping function', function() {
+      var func = function() {};
+      func.prototype.test = true;
+      var wrapped = Raven.wrap(func);
+      assert.isUndefined(new wrapped().test);
+    });
   });
 
   describe('.context', function() {