split SetResponse func of Hono

exp/hono/context.go

@@ -50,12 +50,11 @@ func (c *Context) ResponseBody() io.ReadCloser {
 }
 
 func (c *Context) SetBody(body io.ReadCloser) {
-	var bodyObj js.Value
+	bodyObj := convertBodyToJS(body)
-	if sr, ok := body.(jsutil.RawJSBodyGetter); ok {
-		bodyObj = sr.GetRawJSBody()
-	} else {
-		bodyObj = jsutil.ConvertReaderToReadableStream(body)
-	}
 	respObj := c.ctxObj.Call("body", bodyObj)
 	c.ctxObj.Set("res", respObj)
 }
+
+func (c *Context) SetResponse(respObj js.Value) {
+	c.ctxObj.Set("res", respObj)
+}

exp/hono/response.go

@@ -0,0 +1,35 @@
+package hono
+
+import (
+	"io"
+	"net/http"
+	"syscall/js"
+
+	"github.com/syumai/workers/internal/jshttp"
+	"github.com/syumai/workers/internal/jsutil"
+)
+
+func convertBodyToJS(body io.ReadCloser) js.Value {
+	if sr, ok := body.(jsutil.RawJSBodyGetter); ok {
+		return sr.GetRawJSBody()
+	}
+	return jsutil.ConvertReaderToReadableStream(body)
+}
+
+func NewJSResponse(body io.ReadCloser, statusCode int, headers http.Header) js.Value {
+	bodyObj := convertBodyToJS(body)
+	opts := jsutil.ObjectClass.New()
+	if statusCode != 0 {
+		opts.Set("status", statusCode)
+	}
+	if headers != nil {
+		headersObj := jshttp.ToJSHeader(headers)
+		opts.Set("headers", headersObj)
+	}
+	return jsutil.ResponseClass.New(bodyObj, opts)
+}
+
+func NewJSResponseWithBase(body io.ReadCloser, baseRespObj js.Value) js.Value {
+	bodyObj := convertBodyToJS(body)
+	return jsutil.ResponseClass.New(bodyObj, baseRespObj)
+}