From a19471694e6685b58b20d739a13b9e1466454e0a Mon Sep 17 00:00:00 2001
From: aki-0421 <118268728+aki-0421@users.noreply.github.com>
Date: Wed, 26 Apr 2023 12:56:33 +0900
Subject: [PATCH] R: allow null body

---
 internal/jshttp/response.go | 6 ++++++
 internal/jsutil/jsutil.go   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/internal/jshttp/response.go b/internal/jshttp/response.go
index e19fc7a..cc56023 100644
--- a/internal/jshttp/response.go
+++ b/internal/jshttp/response.go
@@ -43,6 +43,12 @@ func ToJSResponse(w *ResponseWriterBuffer) (js.Value, error) {
 	respInit.Set("status", status)
 	respInit.Set("statusText", http.StatusText(status))
 	respInit.Set("headers", ToJSHeader(w.Header()))
+	if status == http.StatusSwitchingProtocols ||
+		status == http.StatusNoContent ||
+		status == http.StatusResetContent ||
+		status == http.StatusNotModified {
+		return jsutil.ResponseClass.New(jsutil.Null, respInit), nil
+	}
 	readableStream := jsutil.ConvertReaderToReadableStream(w.Reader)
 	return jsutil.ResponseClass.New(readableStream, respInit), nil
 }
diff --git a/internal/jsutil/jsutil.go b/internal/jsutil/jsutil.go
index ac21397..ef315b3 100644
--- a/internal/jsutil/jsutil.go
+++ b/internal/jsutil/jsutil.go
@@ -18,6 +18,7 @@ var (
 	ErrorClass          = Global.Get("Error")
 	ReadableStreamClass = Global.Get("ReadableStream")
 	DateClass           = Global.Get("Date")
+	Null                = js.ValueOf(nil)
 )
 
 func NewObject() js.Value {