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Load a default (en) language underneath the selected language.

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The default language (en) is loaded first and the selected
language is loaded on top of it so that missing translation keys
in the selected language will have the original English strings
available on the UI.
This commit is contained in:
Kailash Nadh 2021-01-26 21:59:27 +05:30
parent dc0465b0af
commit 4bfdda9b91
2 changed files with 32 additions and 3 deletions
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20
cmd/init.go
View file

@ -257,18 +257,32 @@ func initConstants() *constants {
}
// initI18n initializes a new i18n instance with the selected language map
// loaded from the filesystem.
// loaded from the filesystem. English is a loaded first as the default map
// and then the selected language is loaded on top of it so that if there are
// missing translations in it, the default English translations show up.
func initI18n(lang string, fs stuffbin.FileSystem) *i18n.I18n {
b, err := fs.Read(fmt.Sprintf("/i18n/%s.json", lang))
const def = "en"
b, err := fs.Read(fmt.Sprintf("/i18n/%s.json", def))
if err != nil {
lo.Fatalf("error loading i18n language file: %v", err)
lo.Fatalf("error reading default i18n language file: %s: %v", def, err)
}
// Initialize with the default language.
i, err := i18n.New(b)
if err != nil {
lo.Fatalf("error unmarshalling i18n language: %v", err)
}
// Load the selected language on top of it.
b, err = fs.Read(fmt.Sprintf("/i18n/%s.json", lang))
if err != nil {
lo.Fatalf("error reading i18n language file: %v", err)
}
if err := i.Load(b); err != nil {
lo.Fatalf("error loading i18n language file: %v", err)
}
return i
}

15
internal/i18n/i18n.go
View file

@ -43,6 +43,21 @@ func New(b []byte) (*I18n, error) {
}, nil
}
// Load loads a JSON language map into the instance overwriting
// existing keys that conflict.
func (i *I18n) Load(b []byte) error {
var l map[string]string
if err := json.Unmarshal(b, &l); err != nil {
return err
}
for k, v := range l {
i.langMap[k] = v
}
return nil
}
// Name returns the canonical name of the language.
func (i *I18n) Name() string {
return i.name