add event tracking to interfaces

src/index.ts

@@ -588,7 +588,7 @@ function startMdns(app: ServerApp & WithConfig) {
   }
 }
 
-function startInterfaces(app: ServerApp & WithConfig) {
+function startInterfaces(app: ServerApp & WithConfig & WithWrappedEmitter) {
   debug('Interfaces config:' + JSON.stringify(app.config.settings.interfaces))
   const availableInterfaces = require('./interfaces')
   _.forIn(availableInterfaces, (theInterface: any, name: string) => {
@@ -598,14 +598,35 @@ function startInterfaces(app: ServerApp & WithConfig) {
       (app.config.settings.interfaces || {})[name]
     ) {
       debug(`Loading interface '${name}'`)
-      app.interfaces[name] = theInterface(app)
-      if (app.interfaces[name] && _.isFunction(app.interfaces[name].start)) {
+      const boundEventMethods = app.wrappedEmitter.bindMethodsById(
+        `interface:${name}` as EventsActorId
+      )
+
+      const appCopy = {
+        ...app,
+        ...boundEventMethods
+      }
+      const handler = {
+        set(obj: any, prop: any, value: any) {
+          ;(app as any)[prop] = value
+          ;(appCopy as any)[prop] = value
+          return true
+        },
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        get(target: any, prop: string | symbol, receiver: any) {
+          return (appCopy as any)[prop]
+        }
+      }
+      const _interface = (appCopy.interfaces[name] = theInterface(
+        new Proxy(appCopy, handler)
+      ))
+      if (_interface && _.isFunction(_interface.start)) {
         if (
-          _.isUndefined(app.interfaces[name].forceInactive) ||
-          !app.interfaces[name].forceInactive
+          _.isUndefined(_interface.forceInactive) ||
+          !_interface.forceInactive
         ) {
           debug(`Starting interface '${name}'`)
-          app.interfaces[name].data = app.interfaces[name].start()
+          _interface.data = _interface.start()
         } else {
           debug(`Not starting interface '${name}' by forceInactive`)
         }