From 31a057558c0ec6ff7233489a28edc1fda0ec5375 Mon Sep 17 00:00:00 2001
From: Shahed Nasser <shahednasser@gmail.com>
Date: Fri, 12 Dec 2025 11:11:01 +0200
Subject: [PATCH] fix(types,translations): fix types for translation and locale
 updates (#14278)

* fix(types,translations): fix types for translation and locale updates

* remove array type
---
 .changeset/chubby-jobs-shout.md               |  6 +++
 .../translation/steps/update-translations.ts  |  3 +-
 .../steps/validate-translations.ts            |  3 +-
 .../core/types/src/translation/mutations.ts   | 38 ++++++++++++-------
 .../core/types/src/translation/service.ts     |  6 ++-
 5 files changed, 38 insertions(+), 18 deletions(-)
 create mode 100644 .changeset/chubby-jobs-shout.md

diff --git a/.changeset/chubby-jobs-shout.md b/.changeset/chubby-jobs-shout.md
new file mode 100644
index 0000000000..b3c7b3f21b
--- /dev/null
+++ b/.changeset/chubby-jobs-shout.md
@@ -0,0 +1,6 @@
+---
+"@medusajs/core-flows": patch
+"@medusajs/types": patch
+---
+
+fix(types,translations): fix types for translation and locale updates
diff --git a/packages/core/core-flows/src/translation/steps/update-translations.ts b/packages/core/core-flows/src/translation/steps/update-translations.ts
index d14c1a07cc..347934e02a 100644
--- a/packages/core/core-flows/src/translation/steps/update-translations.ts
+++ b/packages/core/core-flows/src/translation/steps/update-translations.ts
@@ -1,6 +1,7 @@
 import {
   FilterableTranslationProps,
   ITranslationModuleService,
+  UpdateTranslationDataDTO,
   UpdateTranslationDTO,
 } from "@medusajs/framework/types"
 import {
@@ -22,7 +23,7 @@ export type UpdateTranslationsStepInput =
       /**
        * The data to update in the translations.
        */
-      update: UpdateTranslationDTO
+      update: UpdateTranslationDataDTO
     }
   | {
       translations: UpdateTranslationDTO[]
diff --git a/packages/core/core-flows/src/translation/steps/validate-translations.ts b/packages/core/core-flows/src/translation/steps/validate-translations.ts
index bcfeff6d6e..9fec95af2e 100644
--- a/packages/core/core-flows/src/translation/steps/validate-translations.ts
+++ b/packages/core/core-flows/src/translation/steps/validate-translations.ts
@@ -4,7 +4,7 @@ import {
   MedusaErrorTypes,
 } from "@medusajs/framework/utils"
 import { createStep, StepResponse } from "@medusajs/framework/workflows-sdk"
-import { CreateTranslationDTO, UpdateTranslationDTO } from "@medusajs/types"
+import { CreateTranslationDTO, UpdateTranslationDataDTO, UpdateTranslationDTO } from "@medusajs/types"
 
 export const validateTranslationsStepId = "validate-translations"
 
@@ -13,6 +13,7 @@ export type ValidateTranslationsStepInput =
   | CreateTranslationDTO
   | UpdateTranslationDTO[]
   | UpdateTranslationDTO
+  | UpdateTranslationDataDTO
 
 // TODO: Do we want to validate anything else here?
 export const validateTranslationsStep = createStep(
diff --git a/packages/core/types/src/translation/mutations.ts b/packages/core/types/src/translation/mutations.ts
index bc7f1ffb91..5319ab4cfb 100644
--- a/packages/core/types/src/translation/mutations.ts
+++ b/packages/core/types/src/translation/mutations.ts
@@ -19,14 +19,9 @@ export interface CreateLocaleDTO {
 }
 
 /**
- * The attributes to update in the locale.
+ * The data to update in the locale.
  */
-export interface UpdateLocaleDTO {
-  /**
-   * The ID of the locale to update.
-   */
-  id: string
-
+export interface UpdateLocaleDataDTO {
   /**
    * The BCP 47 language tag code of the locale.
    */
@@ -38,6 +33,16 @@ export interface UpdateLocaleDTO {
   name?: string
 }
 
+/**
+ * The attributes to update in the locale.
+ */
+export interface UpdateLocaleDTO extends UpdateLocaleDataDTO {
+  /**
+   * The ID of the locale to update.
+   */
+  id: string
+}
+
 /**
  * The attributes in the locale to be created or updated.
  */
@@ -84,14 +89,9 @@ export interface CreateTranslationDTO {
 }
 
 /**
- * The attributes to update in the translation.
+ * The attributes to update in translations matching a selector.
  */
-export interface UpdateTranslationDTO {
-  /**
-   * The ID of the translation to update.
-   */
-  id: string
-
+export interface UpdateTranslationDataDTO {
   /**
    * The ID of the entity being translated.
    */
@@ -113,6 +113,16 @@ export interface UpdateTranslationDTO {
   translations?: Record<string, unknown>
 }
 
+/**
+ * The attributes to update in the translation.
+ */
+export interface UpdateTranslationDTO extends UpdateTranslationDataDTO {
+  /**
+   * The ID of the translation to update.
+   */
+  id: string
+}
+
 /**
  * The attributes in the translation to be created or updated.
  */
diff --git a/packages/core/types/src/translation/service.ts b/packages/core/types/src/translation/service.ts
index c8e3869d32..08a6971087 100644
--- a/packages/core/types/src/translation/service.ts
+++ b/packages/core/types/src/translation/service.ts
@@ -12,7 +12,9 @@ import {
   CreateLocaleDTO,
   CreateTranslationDTO,
   UpdateLocaleDTO,
+  UpdateLocaleDataDTO,
   UpdateTranslationDTO,
+  UpdateTranslationDataDTO,
 } from "./mutations"
 
 /**
@@ -110,7 +112,7 @@ export interface ITranslationModuleService extends IModuleService {
       | UpdateLocaleDTO[]
       | {
           selector: Record<string, any>
-          data: UpdateLocaleDTO | UpdateLocaleDTO[]
+          data: UpdateLocaleDataDTO | UpdateLocaleDataDTO[]
         },
     sharedContext?: Context
   ): Promise<LocaleDTO[]>
@@ -245,7 +247,7 @@ export interface ITranslationModuleService extends IModuleService {
       | UpdateTranslationDTO[]
       | {
           selector: Record<string, any>
-          data: UpdateTranslationDTO | UpdateTranslationDTO[]
+          data: UpdateTranslationDataDTO | UpdateTranslationDataDTO[]
         },
     sharedContext?: Context
   ): Promise<TranslationDTO[]>