diff --git a/contrib/js/neochan/common.ts b/contrib/js/neochan/common.ts
new file mode 100644
index 0000000..4438a82
--- /dev/null
+++ b/contrib/js/neochan/common.ts
@@ -0,0 +1,7 @@
+
+/** @brief type that is called to initialize a dom element */
+export interface Init
+{
+    initialize (elem : any);
+}
+
diff --git a/contrib/js/neochan/postform.ts b/contrib/js/neochan/postform.ts
index e69de29..36163e1 100644
--- a/contrib/js/neochan/postform.ts
+++ b/contrib/js/neochan/postform.ts
@@ -0,0 +1,11 @@
+
+import { Init } from "./common"
+
+
+export class Postform implements Init
+{
+    initialize(elem : any) {
+        
+    }
+}
+