diff --git a/include/ircd/js/ctor.h b/include/ircd/js/ctor.h
new file mode 100644
index 000000000..b6a0f90c9
--- /dev/null
+++ b/include/ircd/js/ctor.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 Charybdis Development Team
+ * Copyright (C) 2016 Jason Volk <jason@zemos.net>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+#define HAVE_IRCD_JS_CTOR_H
+
+namespace ircd {
+namespace js   {
+
+inline object
+ctor(const object::handle &proto,
+     const vector<value>::handle &args = {})
+{
+	return JS_New(*cx, proto, args);
+}
+
+inline object
+ctor(trap &trap,
+     const vector<value>::handle &args = {})
+{
+	object proto(trap());
+	return JS_New(*cx, proto, args);
+}
+
+} // namespace js
+} // namespace ircd
diff --git a/include/ircd/js/js.h b/include/ircd/js/js.h
index d42da125e..a69c95f63 100644
--- a/include/ircd/js/js.h
+++ b/include/ircd/js/js.h
@@ -88,6 +88,7 @@ inline JSVersion version(const char *const &v)   { return JS_StringToVersion(v);
 #include "args.h"
 #include "trap.h"
 #include "trap_function.h"
+#include "ctor.h"
 #include "generator.h"
 #include "global.h"
 #include "contract.h"
diff --git a/include/ircd/js/trap.h b/include/ircd/js/trap.h
index ffaa3da48..49f58c0bc 100644
--- a/include/ircd/js/trap.h
+++ b/include/ircd/js/trap.h
@@ -35,6 +35,11 @@ class trap
 	std::unique_ptr<JSClass> _class;
 	std::map<std::string, trap *> children;
 
+	static trap &from(const JSObject &);
+	static trap &from(const JS::HandleObject &);
+
+	void debug(const char *fmt, ...) const AFP(2, 3);
+
 	// Override these to define JS objects in C
 	virtual value on_call(object::handle, value::handle, const args &);
 	virtual value on_set(object::handle, id::handle, value::handle);
@@ -48,13 +53,9 @@ class trap
 	virtual void on_gc(JSObject &);
 
   private:
-	void host_exception(const char *fmt, ...) const AFP(2, 3);
-	void debug(const char *fmt, ...) const AFP(2, 3);
 	void add_this();
 	void del_this();
-
-	static trap &from(const JSObject &);
-	static trap &from(const JS::HandleObject &);
+	void host_exception(const char *fmt, ...) const AFP(2, 3);
 
 	// Internal callback interface
 	static void handle_trace(JSTracer *, JSObject *) noexcept;
@@ -85,8 +86,8 @@ class trap
 	operator const JSClass *() const             { return &jsclass();                              }
 
 	IRCD_OVERLOAD(prototyped)
-	template<class... args> object operator()(prototyped_t, const object &parent, const object &proto, args&&...);
-	template<class... args> object operator()(const object &parent, args&&...);
+	object operator()(prototyped_t, const object &parent, const object &proto);
+	object operator()(const object &parent = {});
 
 	trap(const std::string &path, const uint &flags = 0, const uint &prop_flags = 0);
 	trap(trap &&) = delete;
@@ -96,20 +97,16 @@ class trap
 
 extern __thread trap *tree;
 
-template<class... args>
-object
-trap::operator()(const object &parent,
-                 args&&... a)
+inline object
+trap::operator()(const object &parent)
 {
-	return operator()(prototyped, parent, object{}, std::forward<args>(a)...);
+	return operator()(prototyped, parent, object{});
 }
 
-template<class... args>
-object
+inline object
 trap::operator()(prototyped_t,
                  const object &parent,
-                 const object &parent_proto,
-                 args&&... a)
+                 const object &parent_proto)
 {
 	object proto(JS_InitClass(*cx,
 	                          parent,
@@ -121,8 +118,7 @@ trap::operator()(prototyped_t,
 	                          fs,
 	                          nullptr,
 	                          nullptr));
-
-	return JS_New(*cx, proto, vector<value>{std::forward<args>(a)...});
+	return proto;
 }
 
 } // namespace js