fix: i18n types

api/src/i18n/controllers/language.controller.spec.ts

@@ -69,7 +69,7 @@ describe('LanguageController', () => {
     }).compile();
     languageService = module.get<LanguageService>(LanguageService);
     languageController = module.get<LanguageController>(LanguageController);
-    language = await languageService.findOne({ code: 'en' });
+    language = (await languageService.findOne({ code: 'en' })) as Language;
   });
 
   afterEach(jest.clearAllMocks);
@@ -92,7 +92,7 @@ describe('LanguageController', () => {
 
       expect(languageService.findOne).toHaveBeenCalledWith(language.id);
       expect(result).toEqualPayload(
-        languageFixtures.find(({ code }) => code === language.code),
+        languageFixtures.find(({ code }) => code === language.code) as Language,
       );
     });
   });
@@ -142,7 +142,9 @@ describe('LanguageController', () => {
     it('should mark a language as default', async () => {
       jest.spyOn(languageService, 'updateOne');
       const translationUpdateDto = { isDefault: true };
-      const frLang = await languageService.findOne({ code: 'fr' });
+      const frLang = (await languageService.findOne({
+        code: 'fr',
+      })) as Language;
       const result = await languageController.updateOne(
         frLang.id,
         translationUpdateDto,
@@ -157,7 +159,9 @@ describe('LanguageController', () => {
         ...translationUpdateDto,
       });
 
-      const enLang = await languageService.findOne({ code: 'en' });
+      const enLang = (await languageService.findOne({
+        code: 'en',
+      })) as Language;
       expect(enLang.isDefault).toBe(false);
     });
 
@@ -171,7 +175,9 @@ describe('LanguageController', () => {
 
   describe('deleteOne', () => {
     it('should throw when attempting to delete the default language', async () => {
-      const defaultLang = await languageService.findOne({ isDefault: true });
+      const defaultLang = (await languageService.findOne({
+        isDefault: true,
+      })) as Language;
 
       await expect(
         languageController.deleteOne(defaultLang.id),

api/src/i18n/i18n.module.ts

@@ -11,6 +11,7 @@ import {
   forwardRef,
   Global,
   Inject,
+  InternalServerErrorException,
   Module,
 } from '@nestjs/common';
 import { HttpAdapterHost } from '@nestjs/core';
@@ -54,6 +55,11 @@ export class I18nModule extends NativeI18nModule {
 
   static forRoot(options: I18nOptions): DynamicModule {
     const { imports, providers, controllers, exports } = super.forRoot(options);
+    if (!providers || !exports) {
+      throw new InternalServerErrorException(
+        'I18n: Unable to find providers and/or exports forRoot()',
+      );
+    }
     return {
       module: I18nModule,
       imports: (imports || []).concat([

api/src/i18n/services/i18n.service.ts

@@ -6,7 +6,7 @@
  * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
  */
 
-import { Injectable } from '@nestjs/common';
+import { Injectable, InternalServerErrorException } from '@nestjs/common';
 import {
   I18nService as NativeI18nService,
   Path,
@@ -34,6 +34,11 @@ export class I18nService<
       ...options,
     };
     let { lang } = options;
+
+    if (!lang) {
+      throw new InternalServerErrorException('I18nService: lang is undefined');
+    }
+
     lang = this.resolveLanguage(lang);
 
     // Translate block message, button text, ...

api/src/utils/test/fixtures/language.ts

@@ -8,10 +8,10 @@
 
 import mongoose from 'mongoose';
 
-import { LanguageUpdateDto } from '@/i18n/dto/language.dto';
+import { LanguageCreateDto } from '@/i18n/dto/language.dto';
 import { LanguageModel } from '@/i18n/schemas/language.schema';
 
-export const languageFixtures: LanguageUpdateDto[] = [
+export const languageFixtures: LanguageCreateDto[] = [
   {
     title: 'English',
     code: 'en',