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vendor/github.com/gin-contrib/sse/sse-encoder.go

@@ -18,12 +18,10 @@ import (
 // W3C Working Draft 29 October 2009
 // http://www.w3.org/TR/2009/WD-eventsource-20091029/
 
-const ContentType = "text/event-stream;charset=utf-8"
+const ContentType = "text/event-stream"
 
-var (
-	contentType = []string{ContentType}
-	noCache     = []string{"no-cache"}
-)
+var contentType = []string{ContentType}
+var noCache = []string{"no-cache"}
 
 var fieldReplacer = strings.NewReplacer(
 	"\n", "\\n",
@@ -50,48 +48,40 @@ func Encode(writer io.Writer, event Event) error {
 
 func writeId(w stringWriter, id string) {
 	if len(id) > 0 {
-		_, _ = w.WriteString("id:")
-		_, _ = fieldReplacer.WriteString(w, id)
-		_, _ = w.WriteString("\n")
+		w.WriteString("id:")
+		fieldReplacer.WriteString(w, id)
+		w.WriteString("\n")
 	}
 }
 
 func writeEvent(w stringWriter, event string) {
 	if len(event) > 0 {
-		_, _ = w.WriteString("event:")
-		_, _ = fieldReplacer.WriteString(w, event)
-		_, _ = w.WriteString("\n")
+		w.WriteString("event:")
+		fieldReplacer.WriteString(w, event)
+		w.WriteString("\n")
 	}
 }
 
 func writeRetry(w stringWriter, retry uint) {
 	if retry > 0 {
-		_, _ = w.WriteString("retry:")
-		_, _ = w.WriteString(strconv.FormatUint(uint64(retry), 10))
-		_, _ = w.WriteString("\n")
+		w.WriteString("retry:")
+		w.WriteString(strconv.FormatUint(uint64(retry), 10))
+		w.WriteString("\n")
 	}
 }
 
 func writeData(w stringWriter, data interface{}) error {
-	_, _ = w.WriteString("data:")
-
-	bData, ok := data.([]byte)
-	if ok {
-		_, _ = dataReplacer.WriteString(w, string(bData))
-		_, _ = w.WriteString("\n\n")
-		return nil
-	}
-
-	switch kindOfData(data) { //nolint:exhaustive
+	w.WriteString("data:")
+	switch kindOfData(data) {
 	case reflect.Struct, reflect.Slice, reflect.Map:
 		err := json.NewEncoder(w).Encode(data)
 		if err != nil {
 			return err
 		}
-		_, _ = w.WriteString("\n")
+		w.WriteString("\n")
 	default:
-		_, _ = dataReplacer.WriteString(w, fmt.Sprint(data))
-		_, _ = w.WriteString("\n\n")
+		dataReplacer.WriteString(w, fmt.Sprint(data))
+		w.WriteString("\n\n")
 	}
 	return nil
 }