51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package slugify
|
|
|
|
import (
|
|
"fmt"
|
|
"unicode"
|
|
|
|
"golang.org/x/text/unicode/norm"
|
|
)
|
|
|
|
var SKIP = []*unicode.RangeTable{
|
|
unicode.Mark,
|
|
unicode.Sk,
|
|
unicode.Lm,
|
|
}
|
|
|
|
var SAFE = []*unicode.RangeTable{
|
|
unicode.Letter,
|
|
unicode.Number,
|
|
}
|
|
|
|
// Slugify a string. The result will only contain lowercase letters,
|
|
// digits and dashes. It will not begin or end with a dash, and it
|
|
// will not contain runs of multiple dashes.
|
|
//
|
|
// It is NOT forced into being ASCII, but may contain any Unicode
|
|
// characters, with the above restrictions.
|
|
func Slugify(text string) string {
|
|
buf := make([]rune, 0, len(text))
|
|
dash := false
|
|
for _, r := range norm.NFKD.String(text) {
|
|
switch {
|
|
case unicode.IsOneOf(SAFE, r):
|
|
buf = append(buf, unicode.ToLower(r))
|
|
dash = true
|
|
case unicode.IsOneOf(SKIP, r):
|
|
case dash:
|
|
buf = append(buf, '-')
|
|
dash = false
|
|
}
|
|
}
|
|
if i := len(buf) - 1; i >= 0 && buf[i] == '-' {
|
|
buf = buf[:i]
|
|
}
|
|
return string(buf)
|
|
}
|
|
|
|
// Slugifyf slugfy a formated string
|
|
func Slugifyf(format string, a ...interface{}) string {
|
|
return Slugify(fmt.Sprintf(format, a...))
|
|
}
|