Merge pull request #1 from JamesHutchison/None_null_fix

Fixes JSObject(null)

site/tests/test_null.py

@@ -0,0 +1,10 @@
+from javascript import JSObject
+
+assert(JSObject(null) == None)
+assert(JSObject(null) is None)
+assert(None is None)
+assert(None is JSObject(null))
+assert(None == JSObject(null))
+assert(JSObject(null) is JSObject(null))
+
+print("All tests passed")

src/js_objects.js

@@ -253,8 +253,8 @@ function JSObject(obj){
     // If obj is a function, calling it with JSObject implies that it is
     // a function defined in Javascript. It must be wrapped in a JSObject
     // so that when called, the arguments are transformed into JS values
+    if (obj === null) {return _b_.None}
     if(typeof obj=='function'){return {__class__:$JSObjectDict,js:obj}}
-
     var klass = $B.get_class(obj)
     if(klass===_b_.list.$dict){
         // JS arrays not created by list() must be wrapped

src/py_utils.js

@@ -115,7 +115,7 @@ $B.get_class = function(obj){
     // generally we get the attribute __class__ of an object by obj.__class__
     // but Javascript builtins used by Brython (functions, numbers, strings...)
     // don't have this attribute so we must return it
-    if(obj==null){obj=_b_.None}
+    if(obj===null){return $B.$NoneDict}
     var klass = obj.__class__
     if(klass===undefined){
         switch(typeof obj) {