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slug.go
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/
slug.go
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// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
//
// This software (Documize Community Edition) is licensed under
// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
//
// You can operate outside the AGPL restrictions by purchasing
// Documize Enterprise Edition and obtaining a commercial license
// by contacting <sales@documize.com>.
//
// https://documize.com
package stringutil
import (
"strings"
"unicode"
)
// MakeSlug creates a slug, suitable for use in a URL, from a string
func MakeSlug(str string) string {
slg := strings.Map(
func(r rune) rune { // individual mapping of runes into a format suitable for use in a URL
r = unicode.ToLower(r)
if unicode.IsLower(r) || unicode.IsDigit(r) {
return r
}
return '-'
}, str)
slg = strings.NewReplacer("---", "-", "--", "-").Replace(slg)
for strings.HasSuffix(slg, "-") {
slg = strings.TrimSuffix(slg, "-")
}
for strings.HasPrefix(slg, "-") {
slg = strings.TrimPrefix(slg, "-")
}
return slg
}