/
locales.go
66 lines (55 loc) · 1.31 KB
/
locales.go
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package locales
// See: https://pkg.go.dev/golang.org/x/text/message#hdr-Translation_Pipeline
import (
"embed"
"encoding/json"
"fmt"
"golang.org/x/text/language"
"golang.org/x/text/message/catalog"
"path"
)
type Msg struct {
Id string `json:"id"`
Message string `json:"message"`
Translation string `json:"translation"`
TranslatorComment string `json:"translatorComment"`
}
type Locale struct {
Language string `json:"language"`
Messages []Msg `json:"messages"`
}
func LoadLang(src embed.FS) (cat catalog.Catalog, err error) {
languages := []string{
`en-US`, `fi-FI`,
}
tr := catalog.NewBuilder(
catalog.Fallback(language.English),
)
for _, name := range languages {
b, err := src.ReadFile(path.Join(name, `messages.json`))
if err != nil {
return nil, err
}
var translations Locale
err = json.Unmarshal(b, &translations)
if err != nil {
return nil, err
}
b = nil
lang := language.English
switch translations.Language {
case `en-US`:
case `fi-FI`:
lang = language.Finnish
default:
return nil, fmt.Errorf(`invalid language: %q`, name)
}
for _, i := range translations.Messages {
err = tr.SetString(lang, i.Id, i.Translation)
if err != nil {
return nil, fmt.Errorf(`could not set string: %v`, err)
}
}
}
return tr, nil
}