stop treating string body as bytes body

cloudflare/queues/consumermessage.go

@@ -67,16 +67,11 @@ func (m *ConsumerMessage) StringBody() (string, error) {
 }
 
 func (m *ConsumerMessage) BytesBody() ([]byte, error) {
-	switch m.Body.Type() {
+	if m.Body.Type() != js.TypeObject ||
-	case js.TypeString:
+		!(m.Body.InstanceOf(jsutil.Uint8ArrayClass) || m.Body.InstanceOf(jsutil.Uint8ClampedArrayClass)) {
-		return []byte(m.Body.String()), nil
+		return nil, fmt.Errorf("message body is not a byte array: %v", m.Body)
-	case js.TypeObject:
-		if m.Body.InstanceOf(jsutil.Uint8ArrayClass) || m.Body.InstanceOf(jsutil.Uint8ClampedArrayClass) {
-			b := make([]byte, m.Body.Get("byteLength").Int())
-			js.CopyBytesToGo(b, m.Body)
-			return b, nil
-		}
 	}
-
+	b := make([]byte, m.Body.Get("byteLength").Int())
-	return nil, fmt.Errorf("message body is not a byte array: %v", m.Body)
+	js.CopyBytesToGo(b, m.Body)
+	return b, nil
 }

cloudflare/queues/consumermessage_test.go

@@ -174,13 +174,6 @@ func TestConsumerMessage_BytesBody(t *testing.T) {
 		want    []byte
 		wantErr bool
 	}{
-		{
-			name: "string",
-			body: func() js.Value {
-				return js.ValueOf("hello")
-			},
-			want: []byte("hello"),
-		},
 		{
 			name: "uint8 array",
 			body: func() js.Value {
@@ -202,7 +195,7 @@ func TestConsumerMessage_BytesBody(t *testing.T) {
 		{
 			name: "incorrect type",
 			body: func() js.Value {
-				return js.ValueOf(42)
+				return js.ValueOf("hello")
 			},
 			wantErr: true,
 		},