make class methods unenumerable - fixes #41

lib/6to5/transformers/classes.js

@@ -91,19 +91,17 @@ var buildClassBody = function (body, className, superName, node) {
         throw util.errorWithNode(node, "unknown kind for constructor method");
       }
     } else {
-      var add = addInstanceMethod;
       var mutatorMap = instanceMutatorMap;
+      if (node.static) mutatorMap = staticMutatorMap;
 
-      if (node.static) {
-        add = addStaticMethod;
-        mutatorMap = staticMutatorMap
+      var kind = node.kind;
+
+      if (kind === "") {
+        kind = "value";
+        util.pushMutatorMap(mutatorMap, methodName, "writeable", b.identifier("true"));
       }
 
-      if (node.kind === "") {
-        add(body, className, methodName, method);
-      } else {
-        util.pushMutatorMap(mutatorMap, methodName, node.kind, node);
-      }
+      util.pushMutatorMap(mutatorMap, methodName, kind, node);
     }
   });
 
@@ -177,19 +175,3 @@ var addConstructor = function (construct, method) {
   construct.body     = method.body;
   construct.rest     = method.rest;
 };
-
-var addStaticMethod = function (body, className, methodName, method) {
-  body.push(util.template("class-static-method", {
-    METHOD_NAME: methodName,
-    CLASS_NAME: className,
-    FUNCTION: method
-  }, true));
-};
-
-var addInstanceMethod = function (body, className, methodName, method) {
-  body.push(util.template("class-method", {
-    METHOD_NAME: methodName,
-    CLASS_NAME: className,
-    FUNCTION: method
-  }, true));
-};

lib/6to5/util.js

@@ -97,10 +97,10 @@ exports.buildDefineProperties = function (mutatorMap, keyNode) {
 
     var propNode = b.property("init", b.identifier(key), mapNode);
 
-    _.each(map, function (methodNode, type) {
-      methodNode = _.clone(methodNode);
-      if (methodNode.type === "MethodDefinition") methodNode = methodNode.value;
-      mapNode.properties.push(b.property("init", b.identifier(type), methodNode));
+    _.each(map, function (node, key) {
+      node = _.clone(node);
+      if (node.type === "MethodDefinition") node = node.value;
+      mapNode.properties.push(b.property("init", b.identifier(key), node));
     });
 
     objExpr.properties.push(propNode);