summaryrefslogtreecommitdiffhomepage
path: root/transform/livereloadinject.go
blob: 789ff9d2248073b519732f7dac521cd18dfa50db (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
// Copyright 2015 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package transform

import (
	"bytes"
)

func LiveReloadInject(ct contentTransformer) {
	match := []byte("</body>")
	replace := []byte(`<script data-no-instant>document.write('<script src="/livereload.js?mindelay=10"></' + 'script>')</script></body>`)

	newcontent := bytes.Replace(ct.Content(), match, replace, -1)
	if len(newcontent) == len(ct.Content()) {
		match := []byte("</BODY>")
		newcontent = bytes.Replace(ct.Content(), match, replace, -1)
	}

	ct.Write(newcontent)
}