blob: 09d88134b5d4e149027b5cf8a3a7746567a489a9 (
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
package middleware
import (
"bytes"
"regexp"
"github.com/gofiber/fiber/v2"
"github.com/tdewolff/minify/v2"
"github.com/tdewolff/minify/v2/css"
"github.com/tdewolff/minify/v2/html"
"github.com/tdewolff/minify/v2/js"
"github.com/tdewolff/minify/v2/json"
"github.com/tdewolff/minify/v2/xml"
)
func Minifier(context *fiber.Ctx) error {
var (
minifyHTML = true
minifyCSS = true
minifyJS = true
minifyXML = true
minifyJSON = true
)
m := minify.New()
if minifyHTML {
m.Add("text/html", &html.Minifier{
KeepEndTags: true,
KeepDocumentTags: true,
})
}
if minifyCSS {
m.Add("text/css", &css.Minifier{})
}
if minifyJS {
m.Add("application/javascript", &js.Minifier{})
m.Add("application/x-javascript", &js.Minifier{})
m.Add("text/javascript", &js.Minifier{})
m.AddRegexp(regexp.MustCompile("^(application|text)/(x-)?(java|ecma)script$"), &js.Minifier{})
}
if minifyXML {
m.AddRegexp(regexp.MustCompile("xml$"), &xml.Minifier{})
}
if minifyJSON {
m.AddRegexp(regexp.MustCompile("json$"), &json.Minifier{})
}
if err := context.Next(); err != nil {
return err
}
statusCode := context.Response().StatusCode()
if statusCode != fiber.StatusOK && statusCode != fiber.StatusNotModified {
return nil
}
if statusCode == fiber.StatusNotModified {
return nil
}
origBody := context.Response().Body()
if len(origBody) == 0 {
return nil
}
context.Response().ResetBody()
mimetype := string(context.Response().Header.Peek("Content-Type"))
if err := m.Minify(mimetype, context.Response().BodyWriter(), bytes.NewReader(origBody)); err != nil {
context.Response().BodyWriter().Write(origBody)
}
return nil
}
|
