backport Fix proxy adapter #842

Author: theKashey

src/proxy/createClassProxy.js

@@ -17,7 +17,7 @@ const proxies = new WeakMap()
 
 const defaultRenderOptions = {
   preRender: identity,
-  postRender: (target, result) => result,
+  postRender: result => result,
 }
 
 const defineClassMember = (Class, methodName, methodBody) =>
@@ -96,7 +96,7 @@ function createClassProxy(InitialComponent, proxyKey, options) {
       result = CurrentComponent.prototype.render.call(this)
     }
 
-    return renderOptions.postRender(this, result)
+    return renderOptions.postRender(result)
   }
 
   const defineProxyMethods = Proxy => {

src/reconciler/proxyAdapter.js

@@ -19,7 +19,7 @@ export const renderReconciler = (target, force) => {
   target[RENDERED_GENERATION] = currentGeneration
 }
 
-export const proxyWrapper = (target, element) => {
+export const proxyWrapper = element => {
   // post wrap on post render
   if (!element) {
     return element