github.com/speedoops/go-gqlrest-demo@v0.0.0-20220710122636-5c6460aeab4f/graph/utils/i18n/i18n.go (about)

     1  package i18n
     2  
     3  import (
     4  	"context"
     5  	"errors"
     6  	"fmt"
     7  
     8  	ki18n "github.com/kataras/i18n"
     9  )
    10  
    11  var instance *ki18n.I18n
    12  
    13  func init() {
    14  	var err error
    15  	instance, err = ki18n.New(ki18n.Glob("./config/locales/**/*", ki18n.LoaderConfig{}), "en-US", "zh-CN")
    16  	if err != nil {
    17  		panic(err)
    18  	}
    19  
    20  	instance.SetDefault("zh-CN")
    21  }
    22  
    23  func T(ctx context.Context, format string, args ...interface{}) string {
    24  	lang, ok := ctx.Value(LangKey).(string)
    25  	if !ok || lang == "" {
    26  		lang = "zh-CN"
    27  	}
    28  
    29  	translated := instance.Tr(lang, format, args...)
    30  	if translated == "" {
    31  		translated = fmt.Sprintf(format, args...)
    32  	}
    33  	return translated
    34  }
    35  
    36  func ErrorT(ctx context.Context, format string, args ...interface{}) error {
    37  	return errors.New(T(ctx, format, args...))
    38  }