Merge pull request #27 from marcellosso/fix/translations-on-server-side

fix/translations-on-server-side

Author: marcellosso

CHANGELOG.md

@@ -1,5 +1,12 @@
 # better-auth-localization
 
+## 2.1.7
+
+### Patch Changes
+
+- Fixed issue where translations were not applied on server side requests
+- Added support for Danish (Thanks @BjornFrancke)
+
 ## 2.1.6
 
 ### Patch Changes

README.md

@@ -161,7 +161,7 @@ This repo auto-generates the translations index to avoid PR conflicts when multi
 1. Create a new file in `src/translations/`, for example `nl.ts`.
 2. Export your translation object and a `LOCALES` map from that file:
    ```ts
-   import { ErrorCodesType } from "../types";
+   import type { ErrorCodesType } from "../types";
 
    export const NL_NL = { /* ...all error codes... */ } satisfies ErrorCodesType;
 

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "better-auth-localization",
-	"version": "2.1.6",
+	"version": "2.1.7",
 	"author": "Marcel Losso",
 	"description": " A custom plugin for better-auth that allows you to localize your error messages.",
 	"main": "dist/index.js",

src/index.ts

@@ -1,8 +1,9 @@
-import type { BetterAuthPlugin } from "better-auth";
+import type { BetterAuthPlugin, Status } from "better-auth";
 import { createAuthMiddleware } from "better-auth/plugins";
 import { defaultTranslations } from "./translations";
 import type {
 	AvailableLocales,
+	ErrorCodesType,
 	LocalizationOptions,
 	PartialErrorCodesType,
 } from "./types";
@@ -76,7 +77,7 @@ export const localization = <
 	);
 
 	const resolveLocale = getLocale
-		? async (request: Request) => {
+		? async (request: Request | undefined) => {
 				try {
 					const locale = (await getLocale(
 						request,
@@ -111,13 +112,11 @@ export const localization = <
 					handler: createAuthMiddleware(async (ctx) => {
 						const { request } = ctx;
 
-						if (!request) return;
-
 						const { returned } = ctx.context;
 
 						if (!hasBody(returned) || !isErrorBody(returned.body)) return;
 
-						const { body } = returned;
+						const { body, statusCode } = returned as { body: { code: keyof ErrorCodesType; message: string }; statusCode: Status };
 
 						const locale = await resolveLocale(request);
 
@@ -132,7 +131,9 @@ export const localization = <
 						);
 
 						if (translatedMessage) {
-							body.message = translatedMessage;
+							return ctx.error(statusCode || "UNPROCESSABLE_ENTITY", {
+								message: translatedMessage,
+							});
 						}
 					}),
 				},

src/translations/ar.ts

@@ -1,4 +1,4 @@
-import { ErrorCodesType } from "../types";
+import type { ErrorCodesType } from "../types";
 
 export const AR_SA = {
 	// User related errors

src/translations/da.ts

@@ -1,4 +1,4 @@
-import { ErrorCodesType } from "../types";
+import type { ErrorCodesType } from "../types";
 
 export const DA_DK = {
 	// User related errors

src/translations/de.ts

@@ -1,4 +1,4 @@
-import { ErrorCodesType } from "../types";
+import type { ErrorCodesType } from "../types";
 
 export const DE_DE_INFORMAL = {
 	// User related errors

src/translations/el.ts

@@ -1,4 +1,4 @@
-import { ErrorCodesType } from "../types";
+import type { ErrorCodesType } from "../types";
 
 export const EL_GR = {
 	// User related errors

src/translations/es.ts

@@ -1,4 +1,4 @@
-import { ErrorCodesType } from "../types";
+import type { ErrorCodesType } from "../types";
 
 export const ES_ES = {
 	// User related errors

src/translations/fa.ts

@@ -1,4 +1,4 @@
-import { ErrorCodesType } from "../types";
+import type { ErrorCodesType } from "../types";
 
 export const FA_IR = {
   // User related errors