Fiberi18n

go-i18n support for Fiber.

Note: Requires Go 1.18 and above

Install

This middleware supports Fiber v2.

go get -u github.com/gofiber/fiber/v2
go get -u github.com/gofiber/contrib/fiberi18n/v2

Signature

Name	Signature	Description
New	New(config ...*fiberi18n.Config) fiber.Handler	Create a new fiberi18n middleware handler
Localize	Localize(ctx *fiber.Ctx, params interface{}) (string, error)	Localize returns a localized message. param is one of these type: messageID, *i18n.LocalizeConfig
MustLocalize	MustLocalize(ctx *fiber.Ctx, params interface{}) string	MustLocalize is similar to Localize, except it panics if an error happens. param is one of these type: messageID, *i18n.LocalizeConfig

Config

Property	Type	Description	Default
Next	func(c *fiber.Ctx) bool	A function to skip this middleware when returned true.	nil
RootPath	string	The i18n template folder path.	"./example/localize"
AcceptLanguages	[]language.Tag	A collection of languages that can be processed.	[]language.Tag{language.Chinese, language.English}
FormatBundleFile	string	The type of the template file.	"yaml"
DefaultLanguage	language.Tag	The default returned language type.	language.English
Loader	Loader	The implementation of the Loader interface, which defines how to read the file. We provide both os.ReadFile and embed.FS.ReadFile.	LoaderFunc(os.ReadFile)
UnmarshalFunc	i18n.UnmarshalFunc	The function used for decoding template files.	yaml.Unmarshal
LangHandler	func(ctx *fiber.Ctx, defaultLang string) string	Used to get the kind of language handled by *fiber.Ctx and defaultLang.	Retrieved from the request header Accept-Language or query parameter lang.

Example

package main

import (
	"log"

	"github.com/gofiber/contrib/fiberi18n/v2"
	"github.com/gofiber/fiber/v2"
	"github.com/nicksnyder/go-i18n/v2/i18n"
	"golang.org/x/text/language"
)

func main() {
	app := fiber.New()
	app.Use(
		fiberi18n.New(&fiberi18n.Config{
			RootPath:        "./example/localize",
			AcceptLanguages: []language.Tag{language.Chinese, language.English},
			DefaultLanguage: language.Chinese,
		}),
	)
	app.Get("/", func(c *fiber.Ctx) error {
		localize, err := fiberi18n.Localize(c, "welcome")
		if err != nil {
			return c.Status(fiber.StatusInternalServerError).SendString(err.Error())
		}
		return c.SendString(localize)
	})
	app.Get("/:name", func(ctx *fiber.Ctx) error {
		return ctx.SendString(fiberi18n.MustLocalize(ctx, &i18n.LocalizeConfig{
			MessageID: "welcomeWithName",
			TemplateData: map[string]string{
				"name": ctx.Params("name"),
			},
		}))
	})
	log.Fatal(app.Listen(":3000"))
}