first commit

core/node_response.go

@@ -0,0 +1,93 @@
+package core
+
+import (
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"github.com/dop251/goja"
+	"github.com/goccy/go-json"
+)
+
+// type Reason map[string]interface{}
+
+func MakeResponseObject(vm *goja.Runtime, reject func(reason interface{}), resp *http.Response, responseType string) *goja.Object {
+	obj := vm.NewObject()
+	data, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		reject(Error(vm, err))
+		return obj
+	}
+	var body interface{}
+	if Contains([]string{"blob", "arraybuffer"}, responseType) {
+		body = data
+	} else if Contains([]string{"text", "document"}, responseType) {
+		body = string(data)
+	} else if responseType == "json" {
+		var v interface{}
+		err := json.Unmarshal(data, &v)
+		if err != nil {
+			// console.Error("response body is not json data")
+			// panic("response body is not json data")
+			// reject()
+			defer reject(Error(vm, "response body is not json data"))
+		} else {
+			body = v
+		}
+	}
+
+	if body == nil {
+		contentType := resp.Header.Get("Content-Type")
+		if strings.HasPrefix(contentType, "text/") {
+			body = string(data)
+		} else if strings.HasPrefix(contentType, "image/") {
+			body = data
+		}
+	}
+
+	if body == nil {
+		isBinary := false
+		for _, b := range data {
+			if b < 32 || b > 126 {
+				isBinary = true
+				break
+			}
+		}
+		if isBinary {
+			body = data
+		} else {
+			body = string(data)
+		}
+	}
+
+	obj.Set("body", body)
+	obj.Set("getBody", func() interface{} {
+		return body
+	})
+	obj.Set("json", func() interface{} {
+		var v interface{}
+		json.Unmarshal(data, &v)
+		return v
+	})
+	obj.Set("text", func() string {
+		return string(data)
+	})
+	obj.Set("status", resp.StatusCode)
+	obj.Set("headers", vm.NewProxy(MakeHeadersObject(vm, resp.Header), &goja.ProxyTrapConfig{
+		Get: func(target *goja.Object, property string, receiver goja.Value) (value goja.Value) {
+			obj := target.Get(property)
+			if obj != nil {
+				return obj
+			}
+			result := target.Get("get").Export().(func(name string) string)(property)
+			return vm.ToValue(result)
+		},
+		Set: func(target *goja.Object, property string, value, receiver goja.Value) (success bool) {
+			target.Get("set").Export().(func(name, value string))(
+				property, value.String(),
+			)
+			return true
+		},
+	}))
+	return obj
+}