forked from fitv/go-i18n
/
i18n.go
65 lines (52 loc) · 1.34 KB
/
i18n.go
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package i18n
import (
"embed"
"strings"
"github.com/brunofontes/go-i18n/internal/translator"
"gopkg.in/yaml.v3"
)
var emptyTrans = translator.New(make(map[string]interface{}))
type I18n struct {
defaultLocale string
transMap map[string]*translator.Translator
}
// New returns an I18n instance
func New(fs embed.FS, path string) (*I18n, error) {
i18n := &I18n{
transMap: make(map[string]*translator.Translator),
}
dirEntries, err := fs.ReadDir(path)
if err != nil {
return nil, err
}
for _, entry := range dirEntries {
lang := make(map[string]interface{})
file, err := fs.ReadFile(path + "/" + entry.Name())
if err != nil {
return nil, err
}
err = yaml.Unmarshal(file, &lang)
if err != nil {
return nil, err
}
local := strings.Split(entry.Name(), ".")[0]
i18n.transMap[local] = translator.New(lang)
}
return i18n, nil
}
// SetDefaultLocale set the default locale
func (i *I18n) SetDefaultLocale(local string) {
i.defaultLocale = local
}
// Locale returns the translator instance by the given locale
func (i *I18n) Locale(locale string) *translator.Translator {
trans, ok := i.transMap[locale]
if ok {
return trans
}
return emptyTrans
}
// Trans returns language translation by the given key
func (i *I18n) Trans(key string, args ...interface{}) string {
return i.Locale(i.defaultLocale).Trans(key, args...)
}