From ca2d1ffd9b01c4325de1ba4b12f06fc16728b90a Mon Sep 17 00:00:00 2001
From: toby <otarim.com@gmail.com>
Date: Sun, 27 Aug 2017 21:43:08 +0800
Subject: [PATCH] only rewrite ctx.body when matched hmr request

only rewrite ctx.body when matched hmr request
---
 middleware/hotMiddleware.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/middleware/hotMiddleware.js b/middleware/hotMiddleware.js
index a5f96ba..5530fbd 100644
--- a/middleware/hotMiddleware.js
+++ b/middleware/hotMiddleware.js
@@ -4,10 +4,12 @@ import { PassThrough } from 'stream'
 export default (compiler, opts) => {
   const expressMiddleware = hotMiddleware(compiler, opts)
   return async (ctx, next) => {
-    let stream = new PassThrough()
-    ctx.body = stream
+    var stream = new PassThrough()
     await expressMiddleware(ctx.req, {
-      write: stream.write.bind(stream),
+      write: (content) => {
+        ctx.body = stream
+        stream.write(content)
+      },
       writeHead: (status, headers) => {
         ctx.status = status
         ctx.set(headers)