Add additional type info to messageRouter

ext/src/lib/messageRouter.ts

@@ -1,6 +1,15 @@
 "use strict";
 
-type SenderCallback = (message: any, details: any) => void;
+import { Message } from "../types";
+
+
+interface Details {
+    tabId: number
+  , frameId: number
+}
+
+type SenderCallback = (message: Message, details: Details) => void;
+
 
 const routeMap = new Map<string, SenderCallback>();
 
@@ -12,7 +21,7 @@ function deregister (routeName: string) {
     routeMap.delete(routeName);
 }
 
-function handleMessage (message: any, details?: any) {
+function handleMessage (message: Message, details?: Details) {
     const destination = message.subject.split(":")[0];
     if (routeMap.has(destination)) {
         routeMap.get(destination)(message, details);