hugo/transform/livereloadinject.go

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package transform
import (
"bytes"
jww "github.com/spf13/jwalterweatherman"
"github.com/spf13/viper"
)
func LiveReloadInject(content []byte) []byte {
defer func() {
if r := recover(); r != nil {
jww.ERROR.Println("Recovered in LiveReloadInject", r)
}
}()
match := []byte("</body>")
port := viper.GetString("port")
replace := []byte(`<script>document.write('<script src="http://'
+ (location.host || 'localhost').split(':')[0]
+ ':` + port + `/livereload.js?mindelay=10"></'
+ 'script>')</script></body>`)
newcontent := bytes.Replace(content, match, replace, -1)
if len(newcontent) == len(content) {
match := []byte("</BODY>")
newcontent = bytes.Replace(content, match, replace, -1)
}
return newcontent
}