hugo/transform/livereloadinject.go
Jorin Vogel 81c13171a9 Add some missing doc comments
As pointed out by the linter, some exported functions and types are
missing doc comments.
The linter warnings have been reduced from 194 to 116.
Not all missing comments have been added in this commit though.
2017-08-03 15:57:51 +02:00

41 lines
1.4 KiB
Go

// 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"
"fmt"
)
// LiveReloadInject returns a function that can be used
// to inject a script tag for the livereload JavaScript in a HTML document.
func LiveReloadInject(port int) func(ct contentTransformer) {
return func(ct contentTransformer) {
endBodyTag := "</body>"
match := []byte(endBodyTag)
replaceTemplate := `<script data-no-instant>document.write('<script src="/livereload.js?port=%d&mindelay=10"></' + 'script>')</script>%s`
replace := []byte(fmt.Sprintf(replaceTemplate, port, endBodyTag))
newcontent := bytes.Replace(ct.Content(), match, replace, 1)
if len(newcontent) == len(ct.Content()) {
endBodyTag = "</BODY>"
replace := []byte(fmt.Sprintf(replaceTemplate, port, endBodyTag))
match := []byte(endBodyTag)
newcontent = bytes.Replace(ct.Content(), match, replace, 1)
}
ct.Write(newcontent)
}
}