From b3f0674b80a32425aeb4412f318c720391bbf773 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Fri, 31 Jan 2020 08:15:22 +0100
Subject: [PATCH] transform/livereloadinject: Add defer to livereload script
 tag

In #6821 we moved the loading from end of body to head to make Turbolinks and similar work.

This commit adds a defer attribute to avoid page parse blocking.
---
 transform/livereloadinject/livereloadinject.go      | 2 +-
 transform/livereloadinject/livereloadinject_test.go | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/transform/livereloadinject/livereloadinject.go b/transform/livereloadinject/livereloadinject.go
index 896dcab4e..bbafdff72 100644
--- a/transform/livereloadinject/livereloadinject.go
+++ b/transform/livereloadinject/livereloadinject.go
@@ -59,7 +59,7 @@ func New(port int) transform.Transformer {
 			return err
 		}
 
-		script := []byte(fmt.Sprintf(`<script src="/livereload.js?port=%d&mindelay=10&v=2" data-no-instant></script>`, port))
+		script := []byte(fmt.Sprintf(`<script src="/livereload.js?port=%d&mindelay=10&v=2" data-no-instant defer></script>`, port))
 
 		i := idx
 		if match.appendScript {
diff --git a/transform/livereloadinject/livereloadinject_test.go b/transform/livereloadinject/livereloadinject_test.go
index ea1b3aa65..690db31c2 100644
--- a/transform/livereloadinject/livereloadinject_test.go
+++ b/transform/livereloadinject/livereloadinject_test.go
@@ -25,7 +25,7 @@ import (
 func TestLiveReloadInject(t *testing.T) {
 	c := qt.New(t)
 
-	expectBase := `<script src="/livereload.js?port=1313&mindelay=10&v=2" data-no-instant></script>`
+	expectBase := `<script src="/livereload.js?port=1313&mindelay=10&v=2" data-no-instant defer></script>`
 	apply := func(s string) string {
 		out := new(bytes.Buffer)
 		in := strings.NewReader(s)