fix mixTo an Function as Class #17

Author: army8735

events.js

@@ -143,13 +143,24 @@ if (!keys) {
 
 // Mix `Events` to object instance or Class function.
 Events.mixTo = function(receiver) {
-  receiver = isFunction(receiver) ? receiver.prototype : receiver
   var proto = Events.prototype
 
-  var event = new Events
-  for (var key in proto) {
-    if (proto.hasOwnProperty(key)) {
-      copyProto(key)
+  if (isFunction(receiver)) {
+    for (var key in proto) {
+      if (proto.hasOwnProperty(key)) {
+        receiver.prototype[key] = proto[key]
+      }
+    }
+    Object.keys(proto).forEach(function(key) {
+      receiver.prototype[key] = proto[key]
+    })
+  }
+  else {
+    var event = new Events
+    for (var key in proto) {
+      if (proto.hasOwnProperty(key)) {
+        copyProto(key)
+      }
     }
   }