From 7d7a0e5433aac03a94f8c6be1c762ebf5900279f Mon Sep 17 00:00:00 2001
From: Xinkai Chen <xinkai.chen@qq.com>
Date: Mon, 3 Sep 2018 17:50:21 +0800
Subject: [PATCH] Make `responseType` a proxy property which mimics a native
 implementation.

---
 src/xhook.coffee | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/xhook.coffee b/src/xhook.coffee
index 0953365..fca2755 100644
--- a/src/xhook.coffee
+++ b/src/xhook.coffee
@@ -498,6 +498,13 @@ XHookHttpRequest = WINDOW[XMLHTTP] = ->
     facade.overrideMimeType = ->
       xhr.overrideMimeType.apply xhr, arguments
 
+  #mirror property 'responseType' to native xhr
+  Object.defineProperty facade, 'responseType',
+    get: ->
+      xhr.responseType
+    set: (responseType) ->
+      xhr.responseType = responseType
+
   #create emitter when supported
   if xhr.upload
     facade.upload = request.upload = EventEmitter()