67   explicit JSGraph(Isolate* isolate) : isolate_(isolate) {}  in JSGraph()
70     std::unique_ptr<JSGraphJSNode> n { new JSGraphJSNode(isolate_, value) };  in V8Node()
89     EscapableHandleScope handle_scope(isolate_);  in CreateObject()
90     Local<Context> context = isolate_->GetCurrentContext();  in CreateObject()
94     Local<Array> nodes = Array::New(isolate_, nodes_.size());  in CreateObject()
95     Local<String> edges_string = FIXED_ONE_BYTE_STRING(isolate_, "edges");  in CreateObject()
96     Local<String> is_root_string = FIXED_ONE_BYTE_STRING(isolate_, "isRoot");  in CreateObject()
100     Local<String> wraps_string = FIXED_ONE_BYTE_STRING(isolate_, "wraps");  in CreateObject()
101     Local<String> to_string = FIXED_ONE_BYTE_STRING(isolate_, "to");  in CreateObject()
104       info_objects[n.get()] = Object::New(isolate_);  in CreateObject()
107       HandleScope handle_scope(isolate_);  in CreateObject()
121         if (!String::NewFromUtf8(isolate_, name_str.c_str())  in CreateObject()
126                      Boolean::New(isolate_, n->IsRootNode()))  in CreateObject()
130                      Number::New(isolate_, n->SizeInBytes()))  in CreateObject()
132             obj->Set(context, edges_string, Array::New(isolate_)).IsNothing()) {  in CreateObject()
166         Local<Object> edge_obj = Object::New(isolate_);  in CreateObject()
170           if (!String::NewFromUtf8(isolate_, edge_name)  in CreateObject()
175           edge_name_value = Number::New(isolate_, j++);  in CreateObject()
189   Isolate* isolate_;  member in node::heap::JSGraph