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// 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"
"github.com/spf13/viper"
)
func LiveReloadInject(ct contentTransformer) {
endBodyTag := "</body>"
match := []byte(endBodyTag)
port := viper.Get("port")
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)
}
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