Update next-translate.d.ts with new TranslateFunction interface

examples/with-app-directory/next-translate.d.ts

@@ -1,23 +1,35 @@
 import type { Paths, I18n, Translate } from 'next-translate'
 
+type Tail<T> = T extends [unknown, ...infer Rest] ? Rest : never;
+
 export interface TranslationsKeys {
+ // Example with "common" and "home" namespaces in "en" (the default language):
  common: Paths<typeof import('./locales/en/common.json')>
  home: Paths<typeof import('./locales/en/home.json')>
+ // Specify here all the namespaces you have...
 }
 
+export interface TranslateFunction<Namespace extends keyof TranslationsKeys> {
+ (
+ key: TranslationsKeys[Namespace],
+ ...rest: Tail<Parameters<Translate>>
+ ): string
+ <T extends string>(template: TemplateStringsArray): string
+};
+
 export interface TypeSafeTranslate<Namespace extends keyof TranslationsKeys>
  extends Omit<I18n, 't'> {
- t: {
- (
- key: TranslationsKeys[Namespace],
- ...rest: Tail<Parameters<Translate>>
- ): string
- <T extends string>(template: TemplateStringsArray): string
- }
+ t: TranslateFunction<Namespace>
 }
 
 declare module 'next-translate/useTranslation' {
  export default function useTranslation<
  Namespace extends keyof TranslationsKeys
  >(namespace: Namespace): TypeSafeTranslate<Namespace>
 }
+
+declare module 'next-translate/getT' {
+ export default function getT<
+ Namespace extends keyof TranslationsKeys
+ >(locale?: string, namespace: Namespace): Promise<TranslateFunction<Namespace>> 
+}