44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
//go:build !nominify
|
|
|
|
package httpx
|
|
|
|
import (
|
|
"io"
|
|
"regexp"
|
|
|
|
"github.com/tdewolff/minify"
|
|
"github.com/tdewolff/minify/css"
|
|
"github.com/tdewolff/minify/html"
|
|
"github.com/tdewolff/minify/js"
|
|
"github.com/tdewolff/minify/svg"
|
|
)
|
|
|
|
// minifier holds the minfier used for all html minification
|
|
//
|
|
// NOTE(twiesing): We can't use an init function for this, because otherwise initialization order is incorrect.
|
|
var minifier = (func() *minify.M {
|
|
m := minify.New()
|
|
m.AddFunc("text/html", html.Minify)
|
|
m.AddFunc("text/css", css.Minify)
|
|
m.AddFunc("image/svg+xml", svg.Minify)
|
|
m.AddFuncRegexp(regexp.MustCompile("^(application|text)/(x-)?(java|ecma)script$"), js.Minify)
|
|
return m
|
|
})()
|
|
|
|
// MinifyHTMLWriter wraps the given io.Writer to minify the given html instead.
|
|
// The writer must be closed explicitly.
|
|
//
|
|
// Specific environments may chose to disable http minification, in which case MinifyHTMLWriter becomes the identity function.
|
|
func MinifyHTMLWriter(dest io.Writer) io.WriteCloser {
|
|
return minifier.Writer("text/html", dest)
|
|
}
|
|
|
|
// MinifyHTML minifies the html source.
|
|
// If an error occurs, returns the unmodified source instead.
|
|
func MinifyHTML(source []byte) []byte {
|
|
result, err := minifier.Bytes("text/html", source)
|
|
if err != nil {
|
|
return source
|
|
}
|
|
return result
|
|
}
|