kilo/vendor/github.com/gobuffalo/flect/singularize.go

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package flect
import (
"strings"
"sync"
)
var singularMoot = &sync.RWMutex{}
// Singularize returns a singular version of the string
// users = user
// data = datum
// people = person
func Singularize(s string) string {
return New(s).Singularize().String()
}
// SingularizeWithSize will singular a string taking a number number into account.
// SingularizeWithSize("user", 1) = user
// SingularizeWithSize("user", 2) = users
func SingularizeWithSize(s string, i int) string {
if i == 1 || i == -1 {
return New(s).Singularize().String()
}
return New(s).Pluralize().String()
}
// Singularize returns a singular version of the string
// users = user
// data = datum
// people = person
func (i Ident) Singularize() Ident {
s := i.Original
if len(s) == 0 {
return i
}
singularMoot.RLock()
defer singularMoot.RUnlock()
ls := strings.ToLower(s)
if p, ok := pluralToSingle[ls]; ok {
return New(p)
}
if _, ok := singleToPlural[ls]; ok {
return i
}
for _, r := range singularRules {
if strings.HasSuffix(ls, r.suffix) {
return New(r.fn(s))
}
}
if strings.HasSuffix(s, "s") {
return New(s[:len(s)-1])
}
return i
}